Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion

The interplay between oncolytic virus infection and tumour hypoxia is particularly unexplored in vivo, although hypoxia is present in virtually all solid carcinomas. In this study, oncolytic adenovirus infection foci were found within pimonidazole-reactive, oxygen-poor areas in a colorectal xenograf...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Iris Yousaf [verfasserIn] Jakob Kaeppler [verfasserIn] Sally Frost [verfasserIn] Len W. Seymour [verfasserIn] Egon J. Jacobus [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	adenovirus enadenotucirev oncolytic hypoxia angiogenesis HIF

Übergeordnetes Werk:	In: Cancers - MDPI AG, 2010, 12(2020), 4, p 851
Übergeordnetes Werk:	volume:12 ; year:2020 ; number:4, p 851

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/cancers12040851

Katalog-ID:	DOAJ003279545

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allfieldsGer	10.3390/cancers12040851 doi (DE-627)DOAJ003279545 (DE-599)DOAJcdf4006a4af846aaa19f7808e403f7ab DE-627 ger DE-627 rakwb eng RC254-282 Iris Yousaf verfasserin aut Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The interplay between oncolytic virus infection and tumour hypoxia is particularly unexplored in vivo, although hypoxia is present in virtually all solid carcinomas. In this study, oncolytic adenovirus infection foci were found within pimonidazole-reactive, oxygen-poor areas in a colorectal xenograft tumour, where the expression of <i<VEGF</i<, a target gene of the hypoxia-inducible factor (HIF), was attenuated. We hypothesised that adenovirus infection interferes with the HIF-signalling axis in the hypoxic tumour niche, possibly modifying the local vascular supply. In vitro, enadenotucirev (EnAd), adenovirus 11p and adenovirus 5 decreased the protein expression of HIF-1α only during the late phase of the viral life cycle by transcriptional down-regulation and not post-translational regulation. The decreasing HIF levels resulted in the down-regulation of angiogenic factors such as <i<VEGF</i<, coinciding with reduced endothelial tube formation but also increased T-cell activation in conditioned media transfer experiments. Using intravital microscopy, a decreased perfused vessel volume was observed in infected tumour nodules upon systemic delivery of EnAd, encoding the oxygen-independent fluorescent reporter UnaG to a tumour xenograft grown under an abdominal window chamber. We conclude that the attenuation of the HIF pathway upon adenoviral infection may contribute to anti-vascular and immunostimulatory effects in the periphery of established infection foci in vivo. adenovirus enadenotucirev oncolytic hypoxia angiogenesis HIF Neoplasms. Tumors. Oncology. Including cancer and carcinogens Jakob Kaeppler verfasserin aut Sally Frost verfasserin aut Len W. Seymour verfasserin aut Egon J. Jacobus verfasserin aut In Cancers MDPI AG, 2010 12(2020), 4, p 851 (DE-627)614095670 (DE-600)2527080-1 20726694 nnns volume:12 year:2020 number:4, p 851 https://doi.org/10.3390/cancers12040851 kostenfrei https://doaj.org/article/cdf4006a4af846aaa19f7808e403f7ab kostenfrei https://www.mdpi.com/2072-6694/12/4/851 kostenfrei https://doaj.org/toc/2072-6694 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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 12 2020 4, p 851
allfieldsSound	10.3390/cancers12040851 doi (DE-627)DOAJ003279545 (DE-599)DOAJcdf4006a4af846aaa19f7808e403f7ab DE-627 ger DE-627 rakwb eng RC254-282 Iris Yousaf verfasserin aut Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The interplay between oncolytic virus infection and tumour hypoxia is particularly unexplored in vivo, although hypoxia is present in virtually all solid carcinomas. In this study, oncolytic adenovirus infection foci were found within pimonidazole-reactive, oxygen-poor areas in a colorectal xenograft tumour, where the expression of <i<VEGF</i<, a target gene of the hypoxia-inducible factor (HIF), was attenuated. We hypothesised that adenovirus infection interferes with the HIF-signalling axis in the hypoxic tumour niche, possibly modifying the local vascular supply. In vitro, enadenotucirev (EnAd), adenovirus 11p and adenovirus 5 decreased the protein expression of HIF-1α only during the late phase of the viral life cycle by transcriptional down-regulation and not post-translational regulation. The decreasing HIF levels resulted in the down-regulation of angiogenic factors such as <i<VEGF</i<, coinciding with reduced endothelial tube formation but also increased T-cell activation in conditioned media transfer experiments. Using intravital microscopy, a decreased perfused vessel volume was observed in infected tumour nodules upon systemic delivery of EnAd, encoding the oxygen-independent fluorescent reporter UnaG to a tumour xenograft grown under an abdominal window chamber. We conclude that the attenuation of the HIF pathway upon adenoviral infection may contribute to anti-vascular and immunostimulatory effects in the periphery of established infection foci in vivo. adenovirus enadenotucirev oncolytic hypoxia angiogenesis HIF Neoplasms. Tumors. Oncology. Including cancer and carcinogens Jakob Kaeppler verfasserin aut Sally Frost verfasserin aut Len W. Seymour verfasserin aut Egon J. Jacobus verfasserin aut In Cancers MDPI AG, 2010 12(2020), 4, p 851 (DE-627)614095670 (DE-600)2527080-1 20726694 nnns volume:12 year:2020 number:4, p 851 https://doi.org/10.3390/cancers12040851 kostenfrei https://doaj.org/article/cdf4006a4af846aaa19f7808e403f7ab kostenfrei https://www.mdpi.com/2072-6694/12/4/851 kostenfrei https://doaj.org/toc/2072-6694 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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 12 2020 4, p 851
language	English
source	In Cancers 12(2020), 4, p 851 volume:12 year:2020 number:4, p 851
sourceStr	In Cancers 12(2020), 4, p 851 volume:12 year:2020 number:4, p 851
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institution	findex.gbv.de
topic_facet	adenovirus enadenotucirev oncolytic hypoxia angiogenesis HIF Neoplasms. Tumors. Oncology. Including cancer and carcinogens
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container_title	Cancers
authorswithroles_txt_mv	Iris Yousaf @@aut@@ Jakob Kaeppler @@aut@@ Sally Frost @@aut@@ Len W. Seymour @@aut@@ Egon J. Jacobus @@aut@@
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callnumber-first	R - Medicine
author	Iris Yousaf
spellingShingle	Iris Yousaf misc RC254-282 misc adenovirus misc enadenotucirev misc oncolytic misc hypoxia misc angiogenesis misc HIF misc Neoplasms. Tumors. Oncology. Including cancer and carcinogens Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion
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topic_title	RC254-282 Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion adenovirus enadenotucirev oncolytic hypoxia angiogenesis HIF
topic	misc RC254-282 misc adenovirus misc enadenotucirev misc oncolytic misc hypoxia misc angiogenesis misc HIF misc Neoplasms. Tumors. Oncology. Including cancer and carcinogens
topic_unstemmed	misc RC254-282 misc adenovirus misc enadenotucirev misc oncolytic misc hypoxia misc angiogenesis misc HIF misc Neoplasms. Tumors. Oncology. Including cancer and carcinogens
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title	Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion
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title_full	Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion
author_sort	Iris Yousaf
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author_browse	Iris Yousaf Jakob Kaeppler Sally Frost Len W. Seymour Egon J. Jacobus
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title_sort	attenuation of the hypoxia inducible factor pathway after oncolytic adenovirus infection coincides with decreased vessel perfusion
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title_auth	Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion
abstract	The interplay between oncolytic virus infection and tumour hypoxia is particularly unexplored in vivo, although hypoxia is present in virtually all solid carcinomas. In this study, oncolytic adenovirus infection foci were found within pimonidazole-reactive, oxygen-poor areas in a colorectal xenograft tumour, where the expression of <i<VEGF</i<, a target gene of the hypoxia-inducible factor (HIF), was attenuated. We hypothesised that adenovirus infection interferes with the HIF-signalling axis in the hypoxic tumour niche, possibly modifying the local vascular supply. In vitro, enadenotucirev (EnAd), adenovirus 11p and adenovirus 5 decreased the protein expression of HIF-1α only during the late phase of the viral life cycle by transcriptional down-regulation and not post-translational regulation. The decreasing HIF levels resulted in the down-regulation of angiogenic factors such as <i<VEGF</i<, coinciding with reduced endothelial tube formation but also increased T-cell activation in conditioned media transfer experiments. Using intravital microscopy, a decreased perfused vessel volume was observed in infected tumour nodules upon systemic delivery of EnAd, encoding the oxygen-independent fluorescent reporter UnaG to a tumour xenograft grown under an abdominal window chamber. We conclude that the attenuation of the HIF pathway upon adenoviral infection may contribute to anti-vascular and immunostimulatory effects in the periphery of established infection foci in vivo.
abstractGer	The interplay between oncolytic virus infection and tumour hypoxia is particularly unexplored in vivo, although hypoxia is present in virtually all solid carcinomas. In this study, oncolytic adenovirus infection foci were found within pimonidazole-reactive, oxygen-poor areas in a colorectal xenograft tumour, where the expression of <i<VEGF</i<, a target gene of the hypoxia-inducible factor (HIF), was attenuated. We hypothesised that adenovirus infection interferes with the HIF-signalling axis in the hypoxic tumour niche, possibly modifying the local vascular supply. In vitro, enadenotucirev (EnAd), adenovirus 11p and adenovirus 5 decreased the protein expression of HIF-1α only during the late phase of the viral life cycle by transcriptional down-regulation and not post-translational regulation. The decreasing HIF levels resulted in the down-regulation of angiogenic factors such as <i<VEGF</i<, coinciding with reduced endothelial tube formation but also increased T-cell activation in conditioned media transfer experiments. Using intravital microscopy, a decreased perfused vessel volume was observed in infected tumour nodules upon systemic delivery of EnAd, encoding the oxygen-independent fluorescent reporter UnaG to a tumour xenograft grown under an abdominal window chamber. We conclude that the attenuation of the HIF pathway upon adenoviral infection may contribute to anti-vascular and immunostimulatory effects in the periphery of established infection foci in vivo.
abstract_unstemmed	The interplay between oncolytic virus infection and tumour hypoxia is particularly unexplored in vivo, although hypoxia is present in virtually all solid carcinomas. In this study, oncolytic adenovirus infection foci were found within pimonidazole-reactive, oxygen-poor areas in a colorectal xenograft tumour, where the expression of <i<VEGF</i<, a target gene of the hypoxia-inducible factor (HIF), was attenuated. We hypothesised that adenovirus infection interferes with the HIF-signalling axis in the hypoxic tumour niche, possibly modifying the local vascular supply. In vitro, enadenotucirev (EnAd), adenovirus 11p and adenovirus 5 decreased the protein expression of HIF-1α only during the late phase of the viral life cycle by transcriptional down-regulation and not post-translational regulation. The decreasing HIF levels resulted in the down-regulation of angiogenic factors such as <i<VEGF</i<, coinciding with reduced endothelial tube formation but also increased T-cell activation in conditioned media transfer experiments. Using intravital microscopy, a decreased perfused vessel volume was observed in infected tumour nodules upon systemic delivery of EnAd, encoding the oxygen-independent fluorescent reporter UnaG to a tumour xenograft grown under an abdominal window chamber. We conclude that the attenuation of the HIF pathway upon adenoviral infection may contribute to anti-vascular and immunostimulatory effects in the periphery of established infection foci in vivo.
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title_short	Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion
url	https://doi.org/10.3390/cancers12040851 https://doaj.org/article/cdf4006a4af846aaa19f7808e403f7ab https://www.mdpi.com/2072-6694/12/4/851 https://doaj.org/toc/2072-6694
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Attenuation of the Hypoxia Inducible Factor Pathway after Oncolytic Adenovirus Infection Coincides with Decreased Vessel Perfusion

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