نتایج جستجو برای: hsp25
تعداد نتایج: 193 فیلتر نتایج به سال:
The purposes of this study were to determine whether, immediately after lengthening contractions, 1) levels of specific force-transmitting cytoskeletal elements are reduced in skeletal muscle cells and 2) cytosolic small heat shock proteins (HSPs) translocate to structures prone to disruption. Western blot analysis demonstrated decreased concentrations of z-disk proteins alpha-actinin and plect...
Effects of heat shock transcription factor 1 (HSF1) gene on the regrowth of atrophied mouse soleus muscles were studied. Both HSF1-null and wild-type mice were subjected to continuous hindlimb suspension for 2 wk followed by 4 wk of ambulation recovery. There was no difference in the magnitude of suspension-related decrease of muscle weight, protein content, and the cross-sectional area of musc...
Heat shock protein 25 (Hsp25) phosphorylation plays a protective role following mechanical stress in skeletal muscle fibers. We previously reported that phosphorylation at serine 15 of Hsp25 (p-Ser15) was enhanced during regrowth of muscle fibers in rats with muscle atrophy due to tail suspension. However, it is still unclear how p-Ser15 contributes to myogenesis and regeneration of skeletal mu...
Proliferation and spatial development of colonic epithelial cells are highly regulated along the crypt vertical axis, which, when perturbed, can result in aberrant growth and carcinogenesis. In this study, two key factors were identified that have important and counterbalancing roles regulating these processes: pericrypt myofibroblast-derived Wnt-5a and the microbial metabolite butyrate. Cultur...
Heat shock proteins (HSPs) help maintain cellular function in stressful situations, but the processes controlling their interactions with target proteins are not well defined. This study examined the binding of HSP72, HSP25, and αB-crystallin in skeletal muscle fibers following various stresses. Rat soleus (SOL) and extensor digitorum longus (EDL) muscles were subjected in vitro to heat stress ...
it is generally believed that unaccustomed exercise causes myofibrillar damage. in recent years, cold water immersion (cwi) following heavy training sessions and matches has been common aiming at reducing soreness. however, there is no strong scientific rationality if this method really accelerates recovery after exercise. in addition, there is a question that if it is possible for this method ...
نشان داده شده است فعالیت ورزشی نامتعارف به آسیب میوفیبریلی منجر میشود. در سالهای اخیر، غوطهوری در آب سرد (CWI) پس از جلسات تمرینی سنگین و مسابقات با هدف کاهش کوفتگی رواج یافته است. با وجود این، هیچ منطق علمی محکمی در تأیید اینکه آیا این روش واقعا بازیافت پس از فعالیت ورزشی را تسریع میکند، وجود ندارد. علاوهبر این، سؤال حیاتی این است که آیا ممکن است این روش در سازگاریهای کوتاهمدت ناشی از ج...
Ischemia-reperfusion-induced Ca(2+) overload results in activation of calpain-1 in the heart. Calpain-dependent proteolysis contributes to myocardial dysfunction and cell death. Previously, preischemic treatment with low doses of H(2)O(2) was shown to improve postischemic function and reduce myocardial infarct size. Our aim was to determine the mechanism by which H(2)O(2) protects the heart. We...
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