نتایج جستجو برای: caspase 3 inhibitors
تعداد نتایج: 1970299 فیلتر نتایج به سال:
In this research, we investigated the cytotoxic mechanisms of Cochlodinium polykrikoidescell lysate on isolated rat liver hepatocytes.This micro algae is responsible for a severe and widespread harmful algal bloom in the Persian Gulf and Gulf of Oman (2008-2009). Isolated hepatocytes were obtained by collagenase perfusion of Sprague-Dawley rat liver.According to our results, incubation of algal...
Following activation with proliferative stimuli, including ligation of CD40, dense human tonsillar B cells (>98% cells in G(0)) have increased cleavage and activation of caspase-8 and -6 accompanied by decreased caspase-3 activation and apoptosis. Proliferation was blocked by either a broad specificity caspase inhibitor or inhibitors selective for caspase-6 or caspase-8. In contrast, an inhibit...
Sulfur mustard (SM [bis-(2-chloroethyl) sulfide]) is a chemical warfare agent that causes skin blisters presumably due to DNA alkylation and cross-links. We recently showed that SM also induces apoptotic death in cultured normal human bronchial/tracheal epithelial (NHBE) cells and small airway epithelial cells (SAEC) in vitro. In this process, caspases-8 and -3, but not caspase-9, were strongly...
This study investigates the mechanisms underlying death of cultured embryonic cortical neurons exposed to the DNA-damaging agent camptothecin and in particular the interdependence of the roles of cyclin-dependent kinases (Cdks), caspases, and mitochondrial function. Camptothecin evokes rapid neuronal death that exhibits nuclear features of apoptosis. This death is accompanied by loss of cytochr...
Little is known on how cancer cells can acquire resistance to tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). In this study, we established TRAIL-resistant cells from the TRAIL-sensitive human ovarian carcinoma cell line OVCAR3 to evaluate the potential mechanisms of acquired resistance to TRAIL. The selected resistant cells were cross-resistant to Fas ligand but remained sensi...
In this study, a novel compound was isolated, identified, and its chemical structure determined from the extract of roots Senna velutina. addition, we sought to evaluate anticancer potential molecule against melanoma leukemic cell lines identify pathways death involved. To end, anthraquinone isolated barks S. velutina, analyzed by HPLC-DAD, molecular nuclear magnetic resonance (NMR). Subsequent...
BACKGROUND Since caspases are key executioners of apoptosis in cases of severe diseases including neurodegenerative disorders such as Alzheimer's disease and Huntington's disease, and viral infection diseases such as AIDS and hepatitis, potent and specific inhibitors of caspases have clinical potential. A series of peptide inhibitors has been designed based on cleavage sites of substrate protei...
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