نتایج جستجو برای: myo inositol
تعداد نتایج: 15477 فیلتر نتایج به سال:
A polyol-pathway related perturbation of myo-inositol metabolism has been invoked in the pathogenesis of diabetic complications, including retinal microvasculopathy. Previous studies have demonstrated a beneficiary effect of aldose reductase inhibition on basement membrane thickening of retinal microvessels in diabetic animals. In the present study we demonstrate a significant but partial effec...
Mycobacterium tuberculosis and related members of the genus Mycobacterium contain a number of inositol-based lipids, such as phosphatidylinositol mannosides, lipomannan and lipoarabinomannan. The synthesis of phosphatidylinositol in M. smegmatis is essential for growth and myo-inositol is a key metabolite for mycobacteria. Little is known about the biosynthesis of inositol in mycobacteria and t...
The uptake of myo-inositol into isolated rat liver parenchymal cells and its incorporation into phosphatidylinositol were studied by isotopic and chemical means. The uptake was concentrationand time-dependent, but a maximal rate could not be defined. The intracellular concentration of myo-inositol never exceeded the extracellular concentration, and the uptake was not affected by inhibitors of m...
PURPOSE Maintaining appropriate osmotic pressure is essential for maintaining lens transparency. This study was performed to investigate whether high levels of myo-inositol, one of the major organic osmolytes in the lens, would lead to cataract development. METHODS Transgenic mouse lines carrying the bovine Na(+)-dependent myo-inositol transporter (bSMIT) cDNA under the control of the mouse a...
>C myo-inositol was actively transported into rabbit crystalline lenses incubated in Tijrode's medium. The lens/media accumulation ratios of C myo-inositol reached values of 10 to 12 after 24 hr., in vitro incubations. The active transport of ^C myo-inositol into the lens was markedly decreased by metabolic inhibitors of glycolysis and oxidative phosphorylation, and by ouabain, or by an absence...
The myo-inositol catabolism pathway of Bacillus subtilis has not been fully characterized but was proposed to involve step-wise multiple reactions that finally yielded acetyl-CoA and dihydroxyacetone phosphate. It is known that the iolABCDEFGHIJ operon is responsible for the catabolism of inositol. IolG catalyses the first step of myo-inositol catabolism, the dehydrogenation of myo-inositol, pr...
Indole-3-acetyl-myo-inositol occurs in both the kernel and vegetative shoot of germinating Zea mays seedlings. The effect of a gravitational stimulus on the transport of [3H]-5-indole-3-acetyl-myo-inositol and [U-14C]-D-glucose from the kernel to the seedling shoot was studied. Both labeled glucose and labeled indole-3-acetyl-myo-inositol become asymmetrically distributed in the mesocotyl cor...
Purpose. Bovine lens epithelial cells (BLECs) accumulate osmotically active organic solutes (i.e., osmolytes) including myo-inositol when exposed to hypertonic stress (osmotic shock). In hypertonic medium, the increase in myo-inositol accumulation is attributed to an elevation in activity of Na/myo-inositol cotransporter(s). The authors report the nature of the hypertonicity-induced enhancement...
Fungi in the genus Pneumocystis live in the lungs of mammals, where they can cause a fatal pneumonia (PCP [Pneumocystis pneumonia]) in hosts with compromised immune systems. The absence of a continuous in vitro culture system for any species of Pneumocystis has led to limited understanding of these fungi, especially for the discovery of new therapies. We recently reported that Pneumocystis cari...
Previous preclinical studies and a phase I clinical trial suggested that myo-inositol may be a safe and effective lung cancer chemopreventive agent. We conducted a randomized, double blind, placebo-controlled phase IIb study to determine the chemopreventive effects of myo-inositol in smokers with bronchial dysplasia. Smokers with ≥1 site of dysplasia identified by autofluorescence bronchoscopy-...
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