نتایج جستجو برای: Phosphatase inhibitor
تعداد نتایج: 256645 فیلتر نتایج به سال:
A heat-stable protein inhibitor of the hydroxymethylglutaryl-CoA reductase phosphatase 2A activity has been identified and purified to homogeneity, as judged by polyacrylamide gel electrophoresis. The apparent molecular mass was 20,000 Da. The protein lost its inhibitory properties when incubated with trypsin or treated with ethanol. The inhibitor protein does not inhibit type 1 phosphatase whe...
Dopaminergic neurons exert a major modulatory effect on the forebrain. Dopamine and adenosine 3',5'-monophosphate-regulated phosphoprotein (32 kilodaltons) (DARPP-32), which is enriched in all neurons that receive a dopaminergic input, is converted in response to dopamine into a potent protein phosphatase inhibitor. Mice generated to contain a targeted disruption of the DARPP-32 gene showed pro...
The multiple cellular targets affected by proteasome inhibition implicate a potential role for bortezomib, a first-in-class proteasome inhibitor, in enhancing antitumor activities in hematologic malignancies. Here, we examined the antitumor activity and drug targets of bortezomib in leukemia cells. Human leukemia cell lines were used for in vitro studies. Drug efficacy was evaluated by apoptosi...
Type-2 calcium-dependent potassium (KCa) channels from mammalian brain, reconstituted into planar phospholipid bilayers, are modulated by ATP or ATP analogs via an endogenous protein kinase activity intimately associated with the channel (Chung et al., 1991). We show here that the endogenous protein kinase activity is protein kinase C (PKC)-like because (1) modulation by ATP can be mimicked by ...
Background: Acid phosphatase (ACP) is suggested to be one of the virulence factors in leishmania and a correlation has been reported between Leishmanial acid phosphatase (ACP) activity and the severity of the disease in all types of leishmaniasis including zoonotic cutaneous leishmaniasis (ZCL), which is a polymorphic disease. Objective: Characterization of leishmania and its correlation with t...
UNLABELLED The presence of semen in vaginal fluid, as identified by an acid phosphatase spot test, does not influence vaginal proinflammatory cytokine concentrations. OBJECTIVE Determine whether semen, as detected by acid phosphatase, influences vaginal cytokines or secretory leukocyte protease inhibitor concentrations. METHODS 138 pregnant women had vaginal fluid collected for Gram stain, ...
A heat-stable protein inhibitor of phosphoprotein phosphatase has been purified to homogeneity from rabbit liver extract by heating to 95 degrees followed by ion exchange chromatography on DEAE-cellulose and gel filtration on Sephadex G-200. The purified inhibitor showed a single band when examined by gel electrophoresis S20, w and Stokes radius values were 1.45 and 25.5, respectively. Using th...
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