کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10826713 | 1064824 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The use of transgenic mice to study cytoprotection by the stress proteins
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کلمات کلیدی
hsp70Ischemia-reperfusion injury - آسیب ایسکمی ـ باز خون رسانی یا آسیب ناشی از ایسکمی و برقراری مجدد جریان خونMyocardial infarction - آنفارکتوس میوکاردCytoprotection - حفاظت از سیتوCardioprotection - حفاظت از قلبTransgenic mice - موش ترانس ژنیکStress proteins - پروتئین استرسHeat shock proteins - پروتئینهای شوک حرارتی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Heat shock or stress proteins (HSPs) have been shown to be able to confer cytoprotection in a diversity of cell types and organisms. We were interested in assessing if HSPs, in particular HSP70, were protective against pathophysiological stresses such as myocardial ischemia. Our approach was to generate a transgenic mouse line that would constitutively express high levels of an inducible rat HSP70 isoform in the heart. The hearts of the transgenic mice were then used in an isolated perfused mouse heart model to assess whether increased expression of HSP70 alone was protective against ischemia-reperfusion injury. Our study showed that there was a significant improvement in contractile recovery, less cellular damage, and a reduction in infarct size in the hearts of transgenic mice as compared to non-transgenic mice following global ischemia in our isolated perfused mouse heart model. Additional studies have since shown that increased expression of HSP70 as well as other stress proteins in transgenic mice protects against different forms of pathological stresses. We present here the methods we used to generate HSP70 transgenic mice and assess their increased tolerance to ischemia-reperfusion injury.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Methods - Volume 35, Issue 2, February 2005, Pages 165-169
Journal: Methods - Volume 35, Issue 2, February 2005, Pages 165-169
نویسندگان
Ruben Mestril,