نتایج جستجو برای: lactate dehydrogenase
تعداد نتایج: 89952 فیلتر نتایج به سال:
Lactate dehydrogenase C, an isoenzyme composed of C polypeptide subunits and found only in mature testes and spermatozoa, differs kinetically, chemically and immunologically from the five common isoenzymes of lactate dehydrogenase, each of which is a tetramer of A and/or B subunits. In the rat lactate dehydrogenase C exists in two molecular forms, isoenzymes C4 and A1C3. In addition to these tw...
Introduction: Busulfan as a chemotherapeutic agent causes testicular germinal epithelium depletion and cytotoxicity in germ cells. The aim of this study was to assess antioxidant status, reactive oxygen species (ROS) generation and apoptosis-related genetic markers of adult male mouse sperm following busulfan treatment. Materials and Methods: Forty adult NMRI mice (30 ± 5 g) were divided...
The additional lactate dehydrogenase isozyme from rabbit testis and sperm, lactate dehydrogenase isozyme-1 (B4) from heart, and lactate dehydrogenase isozyme-5 (A4) from liver have been separated and partially purified by preparative starch gel electrophoresis. Studies performed on these fractions comprised K, and optimum substrate concentration for pyruvate, a-ketobutyrate, and lactate, inhibi...
Activity of total lactate dehydrogenase (LDH) and that of the heat-stable isozyme (LDH-1) was measured by the method of Strandjord and Clayson in the serum of 62 cardiac patients with congenital and valvular heart disease before and after cardiac catheterization and at follow-up examination after cardiac surgery. A universal elevation of both total and heat-stable LDH was found in patients with...
The protozoan parasite Cryptosporidium parvum causes waterborne diseases worldwide. There is no effective therapy for C. parvum infection. The parasite depends mainly on glycolysis for energy production. Lactate dehydrogenase is a major regulator of glycolysis. This paper describes the biochemical characterization of C. parvum lactate dehydrogenase and high resolution crystal structures of the ...
1. The interconversion of hydroxypyruvate and l-glycerate in the presence of NAD and rat-liver l-lactate dehydrogenase has been demonstrated. Michaelis constants for these substrates together with an equilibrium constant have been determined and compared with those for pyruvate and l-lactate. 2. The presence of d-glycerate dehydrogenase in rat liver has been confirmed and the enzyme has been pu...
The utility of lactate dehydrogenase in the follow up of patients with diffuse large B-cell lymphoma
BACKGROUND Serum lactate dehydrogenase is a non-specific marker for lymphoma whose prognostic significance is well established for both indolent and aggressive lymphomas at the time of diagnosis. The performance characteristics of this enzyme in predicting relapse in patients with diffuse large B-cell lymphoma has not been well studied. METHODS This study compared serum lactate dehydrogenase ...
Background: Some scientific data have been reported the positive effects of natural antioxidants on modulating the Total Antioxidant Capacity and muscular damage indicators. The aim of this research was to examine the effects of Short-Term Grapefruite juice Supplementation on Lipid Peroxidation and Total Antioxidant Capacity and some muscular damage indicators in young men following a session ...
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