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Myeloid Knockout of HIF-1 α Does Not Markedly Affect HemorrhageResuscitation-Induced Inflammation and Hepatic Injury
المؤلفون المشاركون
Marzi, Ingo
Wetzel, G.
Klarner, A.
Dehne, N.
Brühne, B.
Lehnert, M.
Henrich, Dirk
Relja, Borna
المصدر
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-06-01
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Background.
Hypoxia-inducible factor-1α (HIF-1α) and NF-κB play important roles in the inflammatory response after hemorrhagic shock and resuscitation (H/R).
Here, the role of myeloid HIF-1α in liver hypoxia, injury, and inflammation after H/R with special regard to NF-κB activation was studied.
Methods.
Mice with a conditional HIF-1α knockout (KO) in myeloid cell-line and wild-type (WT) controls were hemorrhaged for 90 min ( 30 ± 2 mm Hg) and resuscitated.
Controls underwent only surgical procedures.
Results.
After six hours, H/R enhanced the expression of HIF-1α-induced genes vascular endothelial growth factor (VEGF) and adrenomedullin (ADM).
In KO mice, this was not observed.
H/R-induced liver injury in HIF-1α KO was comparable to WT.
Elevated plasma interleukin-6 (IL-6) levels after H/R were not reduced by HIF-1α KO.
Local hepatic hypoxia was not significantly reduced in HIF-1α KO compared to controls after H/R.
H/R-induced NF-κB phosphorylation in liver did not significantly differ between WT and KO.
Conclusions.
Here, deleting HIF-1α in myeloid cells and thereby in Kupffer cells was not protective after H/R.
This data indicates that other factors, such as NF-κB, due to its upregulated phosphorylation in WT and KO mice, contrary to HIF-1α, are rather key modulators of inflammation after H/R in our model.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wetzel, G.& Relja, Borna& Klarner, A.& Henrich, Dirk& Dehne, N.& Brühne, B.…[et al.]. 2014. Myeloid Knockout of HIF-1 α Does Not Markedly Affect HemorrhageResuscitation-Induced Inflammation and Hepatic Injury. Mediators of Inflammation،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1043903
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wetzel, G.…[et al.]. Myeloid Knockout of HIF-1 α Does Not Markedly Affect HemorrhageResuscitation-Induced Inflammation and Hepatic Injury. Mediators of Inflammation No. 2014 (2014), pp.1-10.
https://search.emarefa.net/detail/BIM-1043903
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wetzel, G.& Relja, Borna& Klarner, A.& Henrich, Dirk& Dehne, N.& Brühne, B.…[et al.]. Myeloid Knockout of HIF-1 α Does Not Markedly Affect HemorrhageResuscitation-Induced Inflammation and Hepatic Injury. Mediators of Inflammation. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1043903
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1043903
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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