نتایج جستجو برای: tpi
تعداد نتایج: 898 فیلتر نتایج به سال:
The transcriptional organization of the Corynebacterium glutamicum gap-pgk-tpi-ppc gene cluster, encoding glyceraldehyde-3-phosphate dehydrogenase, 3-phosphoglycerate kinase, triosephosphate isomerase, and phosphoenolpyruvate carboxylase, was investigated by Northern (RNA) blot and primer extension analyses. Four transcripts corresponding to gap, to gap-pgk-tpi, to pgk-tpi, and to pgk-tpi-ppc w...
In a Hungarian family with severe decrease in triosephosphate isomerase (TPI) activity, 2 germ line-identical but phenotypically differing compound heterozygote brothers inherited 2 independent (Phe240Leu and Glu145stop codon) mutations. The kinetic, thermodynamic, and associative properties of the recombinant human wild-type and Phe240Leu mutant enzymes were compared with those of TPIs in norm...
We have monitored the level of mRNA encoding the glycolytic and gluconeogenic enzyme trisephosphate isomerase (TPI) during the growth arrest of cells by serum deprivation and the subsequent growth activation of cells by serum addition. This analysis has demonstrated that the steady state level of TPI mRNA changes 5-20-fold, depending upon the cell type, during the transversal of cells from a pr...
Heritable mutations, known as inborn errors of metabolism, cause numerous devastating human diseases, typically as a result of a deficiency in essential metabolic products or the accumulation of toxic intermediates. We have isolated a missense mutation in the Drosophila sugarkill (sgk) gene that causes phenotypes analogous to symptoms of triosephosphate isomerase (TPI) deficiency, a human famil...
The metabolism of inositol phospholipids of the erythrocyte membrane was compared in normotensive Wistar-Kyoto (WKY), spontaneously hypertensive (SHR), and stroke-prone SHR (SHR-SP) rats. This was performed on isolated ghost membranes by measuring the incorporation of 32P from [ gamma-32P ] adenosine triphosphate (ATP) into the diphosphoinositides (DPI) and the triphosphoinositides (TPI) which ...
BACKGROUND Building on earlier work, the toxicity probability interval (TPI) method, we present a modified TPI (mTPI) design that is calibration-free for phase I trials. PURPOSE Our goal is to improve the trial conduct and provide more effective designs while maintaining the simplicity of the original TPI design. METHODS Like the TPI method, the mTPI consists of a practical dose-finding sch...
In 424 African-American and 75 white subjects, we found that the -5 (TPI 592 A-->G), -8 (TPI 589 G-->A), and -24 (TPI 573 T-->G) variants in the triosephosphate isomerase (TPI) gene occurred frequently (41.0%) in the African-American subjects but did not occur in the whites. These data suggest that this set of polymorphisms may turn out to be one of the higher-incidence molecular markers of Afr...
To identify genes required for maintaining neuronal viability, we screened our collection of Drosophila temperature-sensitive paralytic mutants for those exhibiting shortened lifespan and neurodegeneration. Here, we describe the characterization of wasted away (wstd), a recessive, hypomorphic mutation that causes progressive motor impairment, vacuolar neuropathology, and severely reduced lifesp...
Brainmetastases of breast andother cancers remain resistant to chemotherapeutic regimens that are effective systemically, in part due to the blood–brain barrier. We report that TPI-287, a new microtubule-stabilizing agent, displays in vitro cytotoxic activity similar to taxanes and epothilones. Unlike the taxanes, TPI-287 is permeable through the blood–brain barrier. Brain-to-plasma ratios of T...
سابقه و هدف: تشخیص زودرس و درمان مناسب اختلالات اکلوژن از بروز بسیاری از عوارض ناشی از عدم درمان جلوگیری می کند. شاخص (Treatment of Priority Index) TPI برای درجه بندی شدت اختلالات اکلوژن، ارزیابی شدت نیازها و اولویت درمانی توسط Grainger معرفی و کاربرد آن در غربال گری جامعه نشان داده شده است. این تحقیق با هدف ارزیابی نیاز کودکان کلاس های سوم تا پنجم دبستان های آذربایجان غربی به درمان ارتودنسی با...
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