نتایج جستجو برای: ttp
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UNLABELLED Pregnancy may precipitate acute episodes of thrombotic thrombocytopenic purpura (TTP), but pregnancy outcomes in women who have recovered from acquired TTP are not well documented. We analyzed pregnancy outcomes following recovery from TTP associated with acquired, severe ADAMTS13 deficiency (ADAMTS13 activity <10%) in women enrolled in the Oklahoma TTP-HUS Registry from 1995 to 2012...
Tristetraprolin (TTP) is a zinc finger protein that has been implicated in the control of tumor necrosis factor (TNF) mRNA stability. We show here that TTP protein has a suppressive effect on promoter elements from TNF-alpha and interleukin-8 and that lipopolysaccharide (LPS) stimulation can release this suppression. The release in LPS-stimulated cells was found to be primarily mediated by the ...
Tristetraprolin (TTP) is a trans-acting factor that can regulate mRNA stability by binding to the cis-acting AU-rich element (ARE) in the 3'-untranslated region in mRNAs of certain transiently expressed genes. The best-studied target of TTP is tumor necrosis factor (TNF)-. By binding to ARE, TTP increases the degradation of TNF-alpha mRNA, thereby reducing the expression of TNF-alpha. We examin...
Alpha-tocopherol transfer protein (alpha-TTP) is a liver cytosolic transport protein that faciliates alpha-tocopherol (alpha-T) transfer into liver secreted plasma lipoproteins. Genetic defects in alpha-TTP, like dietary vitamin E deficiency, are associated with infertility, muscular weakness and neurological disorders. Both human and alpha-TTP deficient (alpha-TTP(-/-)) mice exhibit severe pla...
BACKGROUND Recurrent thrombotic thrombocytopenic purpura-hemolytic uremic syndrome (TTP-HUS) during a subsequent pregnancy is an important concern because pregnancy may increase the risk for relapse. STUDY DESIGN AND METHODS Outcomes of all pregnancies after recovery from TTP-HUS in the Oklahoma TTP-HUS Registry, a cohort of 301 consecutive patients during the period of 1989 through 2003, wer...
The RNA-binding protein tristetraprolin (TTP) destabilizes target messenger RNAs (mRNAs) containing AU-rich elements within their 3' untranslated region. Thereby, it controls the expression of multiple inflammatory and tumor-associated transcripts. Moreover, a loss of TTP in tumors predicts disease-associated survival. Although tumor intrinsic functions of TTP have previously been studied, the ...
Tumor necrosis factor (TNF) has been implicated in the development and pathogenicity of infectious diseases and autoimmune disorders, such as septic shock and arthritis. The zinc-finger protein tristetraprolin (TTP) has been identified as a major regulator of TNF biosynthesis. To define its intracellular location and examine its regulation of TNF, a quantitive intracellular staining assay speci...
Thrombotic thrombocytopenic purpura (TTP) has a varied clinical presentation with possibly rapid deterioration. Neurological involvement in TTP is common. A 75-year-old woman with TTP presented with diffuse ischemic stroke and fatal multi-organ damage following bacterial infections. Coexisting bacterial infection, cardiac dysfunction and diffuse cerebral infarction may be poor prognostic factor...
RATIONALE Tumor necrosis factor-alpha (TNF-α) is a potent pro-inflammatory mediator and its expression is up-regulated in chronic obstructive pulmonary disease (COPD). Tristetraprolin (TTP) is implicated in regulation of TNF-α expression; however, whether TTP is involved in cigarette smoke-induced TNF-α expression has not been determined. METHODS TTP expression was examined by western blot an...
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