نتایج جستجو برای: repopulation index
تعداد نتایج: 397662 فیلتر نتایج به سال:
Background: Opium, as the most widely known opioid in the world, has significant effects on reproductive organs, which can affect fertility and influence the next generation. This study was performed to investigate the effects of opium administration on histological changes and spermatogenesis indexes in the testis of adult male rats. Methods:A total of 50 adu...
The eradication programme of porcine reproductive and respiratory syndrome (PRRS) from pig herds, approved also by the competent veterinary authorities European Union, has been in progress Hungary since 2014 (Nemes, et al. [1-3]) One most effective, safest fastest methods is depopulation–repopulation method.
A prolonged cytotoxic effect of 5-azacytidine (aza-CR) on leukemic colony-forming units (LCFU) was observed in mice with transplanted L1210 leukemia. LCFU showed rapid reaccumulation in the marrow 12 hr after injection of 0.1 mg of aza-CR per mouse. However, after 0.5 mg of aza-CR, repopulation was delayed for at least 6 days. Experiments were performed to determine the mechanism of this prolon...
Background: Isoniazid is an important drug in first line of treating the tuberculosis disease. This drug can lead to damages in different parts of the body such as liver and testis. Lactobacillus acidophilus and Bifidobacterium are the probiotics that have the important innate property that inhibit from passing of Isoniazid into the blood-testis-barrier. In point of spermatogenesis indexes whic...
The chemokine stromal-derived factor-1 (SDF-1) controls many aspects of stem cell function. Details of its regulation and sites of production are currently unknown. We report that in the bone marrow, SDF-1 is produced mainly by immature osteoblasts and endothelial cells. Conditioning with DNA-damaging agents (ionizing irradiation, cyclophosphamide, and 5-fluorouracil) caused an increase in SDF-...
The electric conductivity of n-type germanium at large d.c. field intensities has been measured in three directions of symmetry of the cubic lattice. From these data the repopulation of valleys of the conduction band has been determined. Measurements were done with three materials of different purity. The variation of repopulation between these materials can be explained qualitatively by the in...
The physiologic roles of angiopoietin-like proteins (Angptls) in the hematopoietic system remain unknown. Here we show that hematopoietic stem cells (HSCs) in Angptl3-null mice are decreased in number and quiescence. HSCs transplanted into Angptl3-null recipient mice exhibited impaired repopulation. Bone marrow sinusoidal endothelial cells express high levels of Angptl3 and are adjacent to HSCs...
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