نتایج جستجو برای: bax protein
تعداد نتایج: 1240252 فیلتر نتایج به سال:
Histone deacetylase inhibitors (HDACIs) are therapeutic drugs that inhibit deacetylase activity, thereby increasing acetylation of many proteins, including histones. HDACIs have antineoplastic effects in preclinical and clinical trials and are being considered for cancers with unmet therapeutic need, including neuroblastoma (NB). Uncertainty of how HDACI-induced protein acetylation leads to cel...
Humans and animals form internal representations of external space based on their own body movement (dead reckoning) as well as external landmarks. It is poorly understood, however, how different types of information are integrated to form a unified representation of external space. To examine the role of dentate gyrus (DG) in this process, we conducted physiological and behavioral experiments ...
conclusions the increasing cell toxicity, apoptosis-inducing effects and decreasing telomerase activity may play an important role in the valproic acid and radiation mechanism. the current survey suggested that it is likely beneficial to combine valproic acid and gamma radiation to treat breast cancer. results combination of valproic acid and gamma radiation increased significantly cell toxicit...
Title of dissertation: PROTEIN PERMEABILITY PATHWAYS IN THE MITOCHONDRIAL OUTER MEMBRANE DURING APOPTOSIS – MECHANISTIC INSIGHTS INTO THEIR STRUCTURE AND DYNAMICS Vidyaramanan Ganesan, Doctor of Philosophy, 2012 Dissertation directed by: Dr. Marco Colombini Department of Biology Apoptosis, a form of programmed cell death is a physiological process that guides the systematic removal of unwanted ...
During apoptosis the pro-death Bcl-2 family members Bax and Bak induce mitochondrial outer membrane permeabilization (MOMP) to mediate cell death. Recently, it was shown that Bax and Bak are also required for mitochondrial permeability transition pore (MPTP)-dependent necrosis, where, in their non-oligomeric state, they enhance permeability characteristics of the outer mitochondrial membrane. N...
Background. Psoriasis may occur or worsen in connection with stress or mood disorders. Serotonin (5-hydroxytryptamin; 5-HT), through its serotonin transporter (SERT) protein, may play a role in connection with different types of inflammation of the skin, including psoriasis. Keratinocyte apoptosis plays a fundamental part in the control of epidermal morphogenesis. Bax is a major regulator of ap...
Pro-apoptotic BCL2 associated X (BAX) is traditionally thought to be regulated by anti-apoptotic BCL-2 family members, like BCL2-like 1 (BCL-XL), at the protein level. However, the posttranscriptional regulation of BAX is under explored. In this study, we identified BAX as the novel downstream target of miR-365, which is supported by gain- and loss-of-function studies of onco-miR-365. Loss of B...
The proapoptotic Bcl-2 protein Bax is predominantly found in the cytosol of nonapoptotic cells and is commonly thought to translocate to mitochondria following an apoptotic stimulus. The current model for Bax activation is that BH3 proteins bind to cytosolic Bax, initiating mitochondrial targeting and outer-membrane permeabilization. Here, we challenge this and show that Bax is constitutively t...
The function of the cellular prion protein (PrP) is still poorly understood. We present here an unprecedented role for PrP against Bax-mediated neuronal apoptosis and show that PrP potently inhibits Bax-induced cell death in human primary neurons. Deletion of four octapeptide repeats of PrP (PrPDeltaOR) and familial D178N and T183A PrP mutations completely or partially eliminate the neuroprotec...
The apoptotic protein Bax, in oligomeric form, is effective in promoting both leakage and lipid mixing in liposomes composed of cardiolipin and phosphatidylethanolamine and/or phosphatidylcholine, upon the addition of calcium. In contrast, monomeric Bax is not active. At low concentrations at which caspase-8-cut Bid (tBid) alone has little effect on leakage, tBid augments the leakage caused by ...
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