Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context

Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1 Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Fiona C. Brownfoot [verfasserIn] Natalie J. Hannan [verfasserIn] Ping Cannon [verfasserIn] Vi Nguyen [verfasserIn] Roxanne Hastie [verfasserIn] Laura J. Parry [verfasserIn] Sevvandi Senadheera [verfasserIn] Laura Tuohey [verfasserIn] Stephen Tong [verfasserIn] Tu'uhevaha J. Kaitu'u-Lino [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Übergeordnetes Werk:	In: EBioMedicine - Elsevier, 2015, 41(2019), Seite 636-648
Übergeordnetes Werk:	volume:41 ; year:2019 ; pages:636-648

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.ebiom.2019.02.013

Katalog-ID:	DOAJ077744802

Internformat


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520			\|a Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1
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700	0		\|a Tu'uhevaha J. Kaitu'u-Lino \|e verfasserin \|4 aut
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allfields	10.1016/j.ebiom.2019.02.013 doi (DE-627)DOAJ077744802 (DE-599)DOAJ019cdaccc4f6476ea083d6453a08a263 DE-627 ger DE-627 rakwb eng R5-920 Fiona C. Brownfoot verfasserin aut Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1 Medicine R Medicine (General) Natalie J. Hannan verfasserin aut Ping Cannon verfasserin aut Vi Nguyen verfasserin aut Roxanne Hastie verfasserin aut Laura J. Parry verfasserin aut Sevvandi Senadheera verfasserin aut Laura Tuohey verfasserin aut Stephen Tong verfasserin aut Tu'uhevaha J. Kaitu'u-Lino verfasserin aut In EBioMedicine Elsevier, 2015 41(2019), Seite 636-648 (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:41 year:2019 pages:636-648 https://doi.org/10.1016/j.ebiom.2019.02.013 kostenfrei https://doaj.org/article/019cdaccc4f6476ea083d6453a08a263 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396419300854 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 41 2019 636-648
spelling	10.1016/j.ebiom.2019.02.013 doi (DE-627)DOAJ077744802 (DE-599)DOAJ019cdaccc4f6476ea083d6453a08a263 DE-627 ger DE-627 rakwb eng R5-920 Fiona C. Brownfoot verfasserin aut Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1 Medicine R Medicine (General) Natalie J. Hannan verfasserin aut Ping Cannon verfasserin aut Vi Nguyen verfasserin aut Roxanne Hastie verfasserin aut Laura J. Parry verfasserin aut Sevvandi Senadheera verfasserin aut Laura Tuohey verfasserin aut Stephen Tong verfasserin aut Tu'uhevaha J. Kaitu'u-Lino verfasserin aut In EBioMedicine Elsevier, 2015 41(2019), Seite 636-648 (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:41 year:2019 pages:636-648 https://doi.org/10.1016/j.ebiom.2019.02.013 kostenfrei https://doaj.org/article/019cdaccc4f6476ea083d6453a08a263 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396419300854 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 41 2019 636-648
allfields_unstemmed	10.1016/j.ebiom.2019.02.013 doi (DE-627)DOAJ077744802 (DE-599)DOAJ019cdaccc4f6476ea083d6453a08a263 DE-627 ger DE-627 rakwb eng R5-920 Fiona C. Brownfoot verfasserin aut Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1 Medicine R Medicine (General) Natalie J. Hannan verfasserin aut Ping Cannon verfasserin aut Vi Nguyen verfasserin aut Roxanne Hastie verfasserin aut Laura J. Parry verfasserin aut Sevvandi Senadheera verfasserin aut Laura Tuohey verfasserin aut Stephen Tong verfasserin aut Tu'uhevaha J. Kaitu'u-Lino verfasserin aut In EBioMedicine Elsevier, 2015 41(2019), Seite 636-648 (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:41 year:2019 pages:636-648 https://doi.org/10.1016/j.ebiom.2019.02.013 kostenfrei https://doaj.org/article/019cdaccc4f6476ea083d6453a08a263 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396419300854 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 41 2019 636-648
allfieldsGer	10.1016/j.ebiom.2019.02.013 doi (DE-627)DOAJ077744802 (DE-599)DOAJ019cdaccc4f6476ea083d6453a08a263 DE-627 ger DE-627 rakwb eng R5-920 Fiona C. Brownfoot verfasserin aut Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1 Medicine R Medicine (General) Natalie J. Hannan verfasserin aut Ping Cannon verfasserin aut Vi Nguyen verfasserin aut Roxanne Hastie verfasserin aut Laura J. Parry verfasserin aut Sevvandi Senadheera verfasserin aut Laura Tuohey verfasserin aut Stephen Tong verfasserin aut Tu'uhevaha J. Kaitu'u-Lino verfasserin aut In EBioMedicine Elsevier, 2015 41(2019), Seite 636-648 (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:41 year:2019 pages:636-648 https://doi.org/10.1016/j.ebiom.2019.02.013 kostenfrei https://doaj.org/article/019cdaccc4f6476ea083d6453a08a263 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396419300854 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 41 2019 636-648
allfieldsSound	10.1016/j.ebiom.2019.02.013 doi (DE-627)DOAJ077744802 (DE-599)DOAJ019cdaccc4f6476ea083d6453a08a263 DE-627 ger DE-627 rakwb eng R5-920 Fiona C. Brownfoot verfasserin aut Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1 Medicine R Medicine (General) Natalie J. Hannan verfasserin aut Ping Cannon verfasserin aut Vi Nguyen verfasserin aut Roxanne Hastie verfasserin aut Laura J. Parry verfasserin aut Sevvandi Senadheera verfasserin aut Laura Tuohey verfasserin aut Stephen Tong verfasserin aut Tu'uhevaha J. Kaitu'u-Lino verfasserin aut In EBioMedicine Elsevier, 2015 41(2019), Seite 636-648 (DE-627)802540074 (DE-600)2799017-5 23523964 nnns volume:41 year:2019 pages:636-648 https://doi.org/10.1016/j.ebiom.2019.02.013 kostenfrei https://doaj.org/article/019cdaccc4f6476ea083d6453a08a263 kostenfrei http://www.sciencedirect.com/science/article/pii/S2352396419300854 kostenfrei https://doaj.org/toc/2352-3964 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 41 2019 636-648
language	English
source	In EBioMedicine 41(2019), Seite 636-648 volume:41 year:2019 pages:636-648
sourceStr	In EBioMedicine 41(2019), Seite 636-648 volume:41 year:2019 pages:636-648
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authorswithroles_txt_mv	Fiona C. Brownfoot @@aut@@ Natalie J. Hannan @@aut@@ Ping Cannon @@aut@@ Vi Nguyen @@aut@@ Roxanne Hastie @@aut@@ Laura J. Parry @@aut@@ Sevvandi Senadheera @@aut@@ Laura Tuohey @@aut@@ Stephen Tong @@aut@@ Tu'uhevaha J. Kaitu'u-Lino @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
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It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. 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callnumber-first	R - Medicine
author	Fiona C. Brownfoot
spellingShingle	Fiona C. Brownfoot misc R5-920 misc Medicine misc R misc Medicine (General) Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context
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topic_title	R5-920 Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context
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title	Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context
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title_full	Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context
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author_browse	Fiona C. Brownfoot Natalie J. Hannan Ping Cannon Vi Nguyen Roxanne Hastie Laura J. Parry Sevvandi Senadheera Laura Tuohey Stephen Tong Tu'uhevaha J. Kaitu'u-Lino
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title_sort	sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionresearch in context
callnumber	R5-920
title_auth	Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context
abstract	Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1
abstractGer	Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1
abstract_unstemmed	Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. Keywords: Preeclampsia, Endothelial dysfunction, Sulfasalazine, sFlt-1
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title_short	Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context
url	https://doi.org/10.1016/j.ebiom.2019.02.013 https://doaj.org/article/019cdaccc4f6476ea083d6453a08a263 http://www.sciencedirect.com/science/article/pii/S2352396419300854 https://doaj.org/toc/2352-3964
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Brownfoot</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2019</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Background: Preeclampsia is a major complication of pregnancy with no medical treatment. It is associated with placental oxidative stress, hypoxia and inflammation leading to soluble fms-like tyrosine kinase 1 (sFlt-1) and soluble endoglin (sENG) secretion and reduced placental growth factor (PlGF). This results in widespread endothelial dysfunction causing hypertension and multisystem organ injury. Sulfasalazine is an anti-inflammatory and antioxidant medication used to treat autoimmune disease. Importantly, it is safe in pregnancy. We examined the potential of sulfasalazine to quench antiangiogenic factors and endothelial dysfunction and increase angiogenic factor secretion. Methods: We performed functional experiments using primary human pregnancy tissues to examine the effects of sulfasalazine on sFlt-1, sENG and PlGF secretion. Sulfasalazine is known to inhibit nuclear factor kappa-light-chain-enhancer of activated B cells (NFkB) and upregulate heme-oxygenase 1 (HO-1) thus we explored the effect of these transcription factors on sFlt-1 secretion from human cytotrophoblasts. We examined the ability of sulfasalazine to reduce key markers of endothelial dysfunction and dilate whole blood vessels. Findings: We demonstrate sulfasalazine administration reduces sFlt-1 and sENG and upregulates PlGF secretion from human placental tissues. Furthermore sulfasalazine mitigates endothelial dysfunction in several in vitro/ex vivo assays. It enhanced endothelial cell migration and proliferation, promoted blood vessel dilation (vessels obtained from women at caesarean section) and angiogenic sprouting from whole blood vessel rings. The effect of sulfasalazine on the secretion of sFlt-1 was not mediated through either the NFkB or HO-1 pathways. Interpretation: We conclude that sulfasalazine reduces sFlt-1 and sENG secretion and endothelial dysfunction and upregulates PlGF. Sulfasalazine has potential to treat or prevent preeclampsia and warrants investigation in clinical trials. Funding: This work was funded by The National Health and Medical Research Council of Australia (NHMRC; #1048707, #1046484. #1101871, #1064845), an Arthur Wilson RANZCOG scholarship and a Norman Beischer Medical Research Foundation grant. FB was supported by a NHMRC Early Career Fellowship (NHMRC #1142636). NJH was supported by a CR Roper Research Fellowship. The NHMRC provided salary support (#1136418 to ST #1062418 to TKL, #1064845 to SS). The funders had no role in study design, data collection, analysis, decision to publish or the preparation of the manuscript. 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Sulfasalazine reduces placental secretion of antiangiogenic factors, up-regulates the secretion of placental growth factor and rescues endothelial dysfunctionResearch in context

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