The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils

Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesio...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Stroncek, David F [verfasserIn] Shankar, Raji A Skubitz, Keith M

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2005

Schlagwörter:	Myeloid-related protein 8 MRP8 myeloid-related protein 14 MRP14 neutrophils macrophages calprotectin

Anmerkung:	© Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (

Übergeordnetes Werk:	Enthalten in: Journal of translational medicine - London : BioMed Central, 2003, 3(2005), 1 vom: 28. Sept.
Übergeordnetes Werk:	volume:3 ; year:2005 ; number:1 ; day:28 ; month:09

Links:	Volltext

DOI / URN:	10.1186/1479-5876-3-36

Katalog-ID:	SPR028932013

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245	1	4	\|a The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils
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520			\|a Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation.
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allfields	10.1186/1479-5876-3-36 doi (DE-627)SPR028932013 (SPR)1479-5876-3-36-e DE-627 ger DE-627 rakwb eng Stroncek, David F verfasserin aut The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. Myeloid-related protein 8 (dpeaa)DE-He213 MRP8 (dpeaa)DE-He213 myeloid-related protein 14 (dpeaa)DE-He213 MRP14 (dpeaa)DE-He213 neutrophils (dpeaa)DE-He213 macrophages (dpeaa)DE-He213 calprotectin (dpeaa)DE-He213 Shankar, Raji A aut Skubitz, Keith M aut Enthalten in Journal of translational medicine London : BioMed Central, 2003 3(2005), 1 vom: 28. Sept. (DE-627)369084136 (DE-600)2118570-0 1479-5876 nnns volume:3 year:2005 number:1 day:28 month:09 https://dx.doi.org/10.1186/1479-5876-3-36 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA 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_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2005 1 28 09
spelling	10.1186/1479-5876-3-36 doi (DE-627)SPR028932013 (SPR)1479-5876-3-36-e DE-627 ger DE-627 rakwb eng Stroncek, David F verfasserin aut The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. Myeloid-related protein 8 (dpeaa)DE-He213 MRP8 (dpeaa)DE-He213 myeloid-related protein 14 (dpeaa)DE-He213 MRP14 (dpeaa)DE-He213 neutrophils (dpeaa)DE-He213 macrophages (dpeaa)DE-He213 calprotectin (dpeaa)DE-He213 Shankar, Raji A aut Skubitz, Keith M aut Enthalten in Journal of translational medicine London : BioMed Central, 2003 3(2005), 1 vom: 28. Sept. (DE-627)369084136 (DE-600)2118570-0 1479-5876 nnns volume:3 year:2005 number:1 day:28 month:09 https://dx.doi.org/10.1186/1479-5876-3-36 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA 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_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2005 1 28 09
allfields_unstemmed	10.1186/1479-5876-3-36 doi (DE-627)SPR028932013 (SPR)1479-5876-3-36-e DE-627 ger DE-627 rakwb eng Stroncek, David F verfasserin aut The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. Myeloid-related protein 8 (dpeaa)DE-He213 MRP8 (dpeaa)DE-He213 myeloid-related protein 14 (dpeaa)DE-He213 MRP14 (dpeaa)DE-He213 neutrophils (dpeaa)DE-He213 macrophages (dpeaa)DE-He213 calprotectin (dpeaa)DE-He213 Shankar, Raji A aut Skubitz, Keith M aut Enthalten in Journal of translational medicine London : BioMed Central, 2003 3(2005), 1 vom: 28. Sept. (DE-627)369084136 (DE-600)2118570-0 1479-5876 nnns volume:3 year:2005 number:1 day:28 month:09 https://dx.doi.org/10.1186/1479-5876-3-36 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA 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_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2005 1 28 09
allfieldsGer	10.1186/1479-5876-3-36 doi (DE-627)SPR028932013 (SPR)1479-5876-3-36-e DE-627 ger DE-627 rakwb eng Stroncek, David F verfasserin aut The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. Myeloid-related protein 8 (dpeaa)DE-He213 MRP8 (dpeaa)DE-He213 myeloid-related protein 14 (dpeaa)DE-He213 MRP14 (dpeaa)DE-He213 neutrophils (dpeaa)DE-He213 macrophages (dpeaa)DE-He213 calprotectin (dpeaa)DE-He213 Shankar, Raji A aut Skubitz, Keith M aut Enthalten in Journal of translational medicine London : BioMed Central, 2003 3(2005), 1 vom: 28. Sept. (DE-627)369084136 (DE-600)2118570-0 1479-5876 nnns volume:3 year:2005 number:1 day:28 month:09 https://dx.doi.org/10.1186/1479-5876-3-36 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA 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_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2005 1 28 09
allfieldsSound	10.1186/1479-5876-3-36 doi (DE-627)SPR028932013 (SPR)1479-5876-3-36-e DE-627 ger DE-627 rakwb eng Stroncek, David F verfasserin aut The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils 2005 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. Myeloid-related protein 8 (dpeaa)DE-He213 MRP8 (dpeaa)DE-He213 myeloid-related protein 14 (dpeaa)DE-He213 MRP14 (dpeaa)DE-He213 neutrophils (dpeaa)DE-He213 macrophages (dpeaa)DE-He213 calprotectin (dpeaa)DE-He213 Shankar, Raji A aut Skubitz, Keith M aut Enthalten in Journal of translational medicine London : BioMed Central, 2003 3(2005), 1 vom: 28. Sept. (DE-627)369084136 (DE-600)2118570-0 1479-5876 nnns volume:3 year:2005 number:1 day:28 month:09 https://dx.doi.org/10.1186/1479-5876-3-36 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA 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_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 3 2005 1 28 09
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source	Enthalten in Journal of translational medicine 3(2005), 1 vom: 28. Sept. volume:3 year:2005 number:1 day:28 month:09
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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. 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author	Stroncek, David F
spellingShingle	Stroncek, David F misc Myeloid-related protein 8 misc MRP8 misc myeloid-related protein 14 misc MRP14 misc neutrophils misc macrophages misc calprotectin The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils
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topic_title	The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils Myeloid-related protein 8 (dpeaa)DE-He213 MRP8 (dpeaa)DE-He213 myeloid-related protein 14 (dpeaa)DE-He213 MRP14 (dpeaa)DE-He213 neutrophils (dpeaa)DE-He213 macrophages (dpeaa)DE-He213 calprotectin (dpeaa)DE-He213
topic	misc Myeloid-related protein 8 misc MRP8 misc myeloid-related protein 14 misc MRP14 misc neutrophils misc macrophages misc calprotectin
topic_unstemmed	misc Myeloid-related protein 8 misc MRP8 misc myeloid-related protein 14 misc MRP14 misc neutrophils misc macrophages misc calprotectin
topic_browse	misc Myeloid-related protein 8 misc MRP8 misc myeloid-related protein 14 misc MRP14 misc neutrophils misc macrophages misc calprotectin
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title	The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils
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title_full	The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils
author_sort	Stroncek, David F
journal	Journal of translational medicine
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author_browse	Stroncek, David F Shankar, Raji A Skubitz, Keith M
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title_sort	subcellular distribution of myeloid-related protein 8 (mrp8) and mrp14 in human neutrophils
title_auth	The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils
abstract	Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (
abstractGer	Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (
abstract_unstemmed	Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. MRP8/14 released with secondary granules by activated neutrophils likely binds to endothelium and plays an important role in acute inflammation. © Stroncek et al; licensee BioMed Central Ltd. 2005. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (
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title_short	The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils
url	https://dx.doi.org/10.1186/1479-5876-3-36
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author2	Shankar, Raji A Skubitz, Keith M
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up_date	2024-07-03T22:35:23.186Z
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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Background Myeloid-related protein 8 (MRP8) and MRP14 are S100 family calcium binding proteins that form a heterodimer known as calprotectin or MRP8/14 that is present in the cytosol of neutrophils and monocytes. MRP8/14 becomes associated with endothelium at sites of monocyte and neutrophil adhesion and transmigration and induces a thrombogenic and inflammatory response by increasing the endothelial transcription of proinflamatory chemokines and adhesion molecules. The distribution of MRP8/MRP14 among neutrophil granules and plasma membranes is unclear and was investigated to better understand the role of this molecule in acute inflammation. Study design Three monoclonal antibodies specific for MRP8 and MRP14 were characterized and used in immunoblotting assays of neutrophil whole cell extracts, and isolated plasma membranes, primary granules, secondary granules and cytosol. Results MRP8 and MRP14 were detected in neutrophil cytosol, plasma membrane, primary granule and secondary granule fractions. MRP8/14 demonstrated a calcium-dependent adherence to plasma membranes and primary granules and could be removed by washing with EGTA in a high ionic strength buffer. In contrast, MRP8/14 was found within the contents of the secondary granules. Activated neutrophils released secondary granules and MRP8/14. Conclusion MRP8/14 is located in neutrophil cytosol and secondary granule fractions and is loosely associated with plasma membranes. 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The subcellular distribution of myeloid-related protein 8 (MRP8) and MRP14 in human neutrophils

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