نتایج جستجو برای: α sma
تعداد نتایج: 182110 فیلتر نتایج به سال:
Cultured mycelium Cordyceps sinensis (CMCS) is a Chinese herbal medicine, which is widely used for a variety of diseases including liver injury in clinic. The current study aims to investigate the protective effects of CMCS against liver fibrosis and to exploit its active antifibrotic substances in vivo and in vitro. For evaluating the antifibrotic effect of CMCS and ergosterol, male C57BL/6 mi...
Tumor angiogenesis is known to be regulated by growth factors secreted by host and tumor cells. Despite the importance of tumor vasculature and angiogenic heterogeneity in solid tumors, few studies have compared the vasculature in different regions of human cancer. Blood vessels from different regions of carcinomas might have morphofunctional implications in tumor angiogenesis. In the present s...
459 Abstract: A case of spontaneosly ruptured splenic hemangiosarcoma with abdominal dissemination in a 12-year-old male German shepherd dog is described. At necropsy, a ruptured tumor mass was seen in the ventral region of the visceral surface of the spleen, and disseminated tumor masses were seen throughout the peritoneal cavity. Histologically, in both the primary tumor mass and disseminated...
BACKGROUND Postintubation tracheal stenosis (PITS) is associated with an increased use of assisted ventilation in intensive care units. We investigated both collagen type I accumulation and myofibroblast localization in human PITS lesions excised for surgical therapeutic procedures, compared with normal tracheas. METHODS We analyzed 2 segments of normal tracheas and 10 segments of PITS that w...
Skin-derived precursors (SKPs), which are located at skin's dermis, display multi-lineage potential and can produce both neural and mesodermal progeny in vitro. SKPs are considered to take part in dermal reconstruction and may be an important source of fibroblast during wound repairing. To explore the possibility of differentiation of SKPs into fibroblasts, the 3(rd) passage SKPs were treated w...
BACKGROUND Endothelial-to-mesenchymal transition (EndoMT) is a crucial event during kidney interstitial fibrosis and it is believed to be inhibited by netrin-1. Our aim was to determine the influence of netrin-1 on renal EndoMT in chronic kidney disease by studying its effect in 5/6 nephrectomized (Nx) rats. METHODS Male Sprague-Dawley rats were divided into three groups (10 rats/group): sham...
Systemically low levels of survival motor neuron-1 (SMN1) protein cause spinal muscular atrophy (SMA). α-Motor neurons of the spinal cord are considered particularly vulnerable in this genetic disorder and their dysfunction and loss cause progressive muscle weakness, paralysis and eventually premature death of afflicted individuals. Historically, SMA was therefore considered a motor neuron-auto...
Among the various consequence arising from lung injury, hepatic fibrosis is the most severe. Decreasing the effects of hepatic fibrosis remains one of the primary therapeutic challenges in hepatology. Dysfunction of hepatic sinusoidal endothelial cells is considered to be one of the initial events that occur in liver injury. Vascular endothelial growth factor signaling is involved in the progre...
Carvedilol, a nonselective β-adrenoreceptor antagonist, protects against myocardial injury induced by acute myocardium infarction (AMI). The mechanisms underlying the anti-fibrotic effects of carvedilol are unknown. Recent studies have revealed the critical role of microRNAs (miRNAs) in a variety of cardiovascular diseases. This study investigated whether miR-29b is involved in the cardioprotec...
We previously described a selective bile duct ligation model to elucidate the process of hepatic fibrogenesis in children with biliary atresia or intrahepatic biliary stenosis. Using this model, we identified changes in the expression of alpha smooth muscle actin (α-SMA) both in the obstructed parenchyma and in the hepatic parenchyma adjacent to the obstruction. However, the expression profiles...
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