نتایج جستجو برای: osmolarity
تعداد نتایج: 2564 فیلتر نتایج به سال:
OBJECTIVES To assess which osmolarity equation best predicts directly measured serum/plasma osmolality and whether its use could add value to routine blood test results through screening for dehydration in older people. DESIGN Diagnostic accuracy study. PARTICIPANTS Older people (≥65 years) in 5 cohorts: Dietary Strategies for Healthy Ageing in Europe (NU-AGE, living in the community), Dehy...
In mammalian liver, proteolysis is regulated by the cellular hydration state in a microtubule- and p38(MAPK) (p38 mitogen-activated protein kinase)-dependent fashion. Osmosensing in liver cells towards proteolysis is achieved by activation of integrin receptors. The yeast orthologue of p38(MAPK) is Hog1 (high-osmolarity glycerol 1), which is involved in the hyperosmotic-response pathway. Since ...
Purpose: The aim of this study was to evaluate tear osmolarity, tear film function, and ocular surface changes in patients with psoriasis. Methods: At a single center, 30 eyes of 30 patients with psoriasis (group 1) and 30 eyes of 30 healthy individuals (group 2) were evaluated using the Ocular Surface Disease Index (OSDI) questionnaire, Schirmer I test, tear film break-up time (TBUT) test, s...
The membrane-derived oligosaccharides (MDO) of Escherichia coli are periplasmic constituents containing 8-10 glucose units in a highly branched structure, linked by beta 1-2 and beta 1-6 bonds [Schneider, J. E. Reinhold, V., Rumley, M. K. & Kennedy, E. P. (1979) J. Biol. Chem. 254, 10135-10138]. The MDO are multiply substituted with sn-1-phosphoglycerol residues (derived from membrane phosphati...
The ability of receptor activation to regulate osmosensitive K+ fluxes (monitored as 86Rb+) in SH-SY5Y neuroblastoma has been examined. Incubation of SH-SY5Y cells in buffers rendered increasingly hypotonic by a reduction in NaCl concentration resulted in an enhanced basal efflux of Rb+ (threshold of release, 200 mOsM) but had no effect on Rb(+) influx. Addition of the muscarinic cholinergic ag...
The remarkable increase in chondrocyte volume is a major determinant in the longitudinal growth of mammalian bones. To permit a detailed morphological study of hypertrophic chondrocytes using standard histological techniques, the preservation of normal chondrocyte morphology is essential. We noticed that during fixation of growth plates with conventional fixative solutions, there was a marked m...
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