نتایج جستجو برای: ویتامین b6
تعداد نتایج: 9727 فیلتر نتایج به سال:
The murine acquired immunodeficiency syndrome (MAIDS) caused by defective LP-BM5 murine leukemia virus (MuLV) is a disease that shows severe immunodeficiency with abnormal lymphoproliferation, and hypergammaglobulinemia in susceptible C57BL/6 (B6) mice. To examine the cellular mechanisms of development of MAIDS, we injected LP-BM5 MuLV intraperitoneally into B6 mice bearing the X chromosome-lin...
C57BL/6J (B6) and AKR/J (AKR) inbred strains of mice develop a comparable degree of obesity when fed a high-fat diet. However, although obese B6 mice are more glucose intolerant, obese AKR mice are more insulin resistant. To understand the basis for these strain differences, we characterized features of adiposity and glucose homeostasis in mice fed a high-fat diet for 8 weeks. The results indic...
BACKGROUND To investigate different responses to a high-fat/cholesterol diet and uncover their underlying genetic factors between C57BL/6J (B6) and DBA/2J (D2) inbred mice. METHODS B6 and D2 mice were fed a high-fat/cholesterol diet for a series of time-points. Serum and bile lipid profiles, bile acid yields, hepatic apoptosis, gallstones and atherosclerosis formation were measured. Furthermo...
The Y chromosome from certain populations of M. m. domesticus is incapable of normal testis determination in the B6 inbred strain resulting in XY hermaphrodites or XY females (XY(DOM) sex reversal). B6 consomic strains have been developed with either transient (B6-Y(AKR)) or severe (B6-Y(TIR)) XY(DOM) sex reversal. We report that a point mutation, the dominant white spotting oncogene allele, Ki...
OBJECTIVES We sought to determine if vitamin B6 therapy would reverse linezolid-associated cytopenias and/or peripheral neuropathy. PATIENTS AND METHODS We have recently treated two patients with disseminated Mycobacterium abscessus infections with prolonged (> or =9 month) courses of linezolid. Both patients developed cytopenias related to linezolid, and one patient also developed peripheral...
Patients with non-small cell lung cancer (NSCLC) are routinely treated with cytotoxic agents such as cisplatin. Through a genome-wide siRNA-based screen, we identified vitamin B6 metabolism as a central regulator of cisplatin responses in vitro and in vivo. By aggravating a bioenergetic catastrophe that involves the depletion of intracellular glutathione, vitamin B6 exacerbates cisplatin-mediat...
The majority of vitamin B6 in the body is in skeletal muscle, bound as the cofactor pyridoxal 5'-phosphate to one abundant protein, glycogen phosphorylase. Previous work has established that radiolabelled vitamin B6 can be used as a turnover label for glycogen phosphorylase. In this study, a stable isotope derivative of pyridoxine {dideuterated pyridoxine; 3-hydroxy-4-(hydroxymethyl) -5-[hydrox...
To assess the possible contribution of host immune responses to the exertion of Fv2-associated resistance to Friend virus (FV)-induced disease development, we inoculated C57BL/6 (B6) mice that lacked various subsets of lymphocytes with FV containing no lactate dehydrogenase-elevating virus. Fv2(r) B6 mice lacking CD4(+) T cells developed early polycythemia and fatal erythroleukemia, while B6 mi...
the activity of aspartate aminotransferase a vitamin b6 containing enzyme was measured in the laysed synaptosomes prepared from rat brain, during development. administration of vitamin b6 increased the enzyme activity throughout development. the stimulating effect of this vitamin was prevented when the animals were previously treated with d-penicillamine. however, penicillamine alone had no eff...
Purpose To study aquaporin channel expression in astrocytes of the mouse optic nerve (ON) and response to IOP elevation mice lacking 4 (AQP4 null). Methods C57BL/6 (B6) AQP4 null were exposed bead-induced for 3 days (3D-IOP), 1 6 weeks. Mouse ocular tissue sections immunolabeled against aquaporins 1(AQP1), 4(AQP4), 9(AQP9). Ocular was imaged identify normal AQP distribution, ON changes, axon lo...
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