Intracellular PH
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Effect of gamma aminobutyric acid on intracellular pH in the crayfish stretch receptor neurone
... Results Effect of GABA on membrane potential and on intracellular pH In a nominally HCO3~-free solution, exposure of the stretch-receptor neurone to a near-saturating concentration of GA[r] ...
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THE RELATIONSHIP BETWEEN INTRACELLULAR pH AND SWIMMING PERFORMANCE OF BROWN TROUT EXPOSED TO NEUTRAL AND SUBLETHAL pH
... There is much debate as to the possible causes of fatigue during exercise in vertebrates and one possible cause is a reduction in intracellular pH (pHi) (Metzger and Fitts, 1987). Jones and Randall (1978) ...
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Intracellular pH modulates the generation of superoxide radicals by human neutrophils
... The relationship of intracellular pH (pHi) to superoxide radical (O2-) generation was investigated in chemotactic factor-stimulated human neutrophils. Exposure of cells to 100 nM ...
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Intracellular pH during "chemical hypoxia" in cultured rat hepatocytes Protection by intracellular acidosis against the onset of cell death
... extracellular pH (pHo), intracellular pH (pHi), and loss of cell viability were evaluated in cultured rat hepatocytes after ATP depletion by metabolic inhibition with KCN and iodoacetate (chemical ...
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CALCULATION OF INTRACELLULAR pH FROM THE DISTRIBUTION OF 5,5 DIMETHYL 2,4 OXAZOLIDINEDIONE (DMO) APPLICATION TO SKELETAL MUSCLE OF THE DOG
... Of even greater interest than the calculated CENTRATION IN EXTRACELLULAR TISSUE WATER CE pH for the normal cell are the changes that this value WITH RESPECT TO INTRACELLULAR PH pH, AS A [r] ...
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Regulation of intracellular pH in the rabbit cortical collecting tubule
... the pH sensitive dye 2',7'-bis- (2-carboxyethyl)-5(and-6)carboxyfluorescein (BCECF) and basolateral Cl- removal were used to identify and study intracellular pH (pHi) regulation in each of three cell ...
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Control and modulation of intracellular pH in mammalian central neurones
... regulate pH in biological systems exists due to the high reactivity of the ...as pH changes and this may have a profound influence on macromolecular ...the pH sensitivity of enzyme activity and ion ...
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Renal acid excretion and intracellular pH in salt sensitive genetic hypertension
... a pH-sensitive dye, was lower in S than in R rats both when measured in the presence of HCO3/CO2 ...in intracellular pH and net acid excretion between S and R rats were also observed in salt- ...
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Effect of glucagon on intracellular pH regulation in isolated rat hepatocyte couplets
... To elucidate mechanisms of glucagon-induced bicarbonate-rich choleresis, we investigated the effect of glucagon on ion transport processes involved in the regulation of intracellular pH (pHi) in isolated ...
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Nutrient-stimulated insulin secretion in mouse islets is critically dependent on intracellular pH
... low pH i may either activate NADPH-producing enzymes with acidic pH-optimum, such as GDH [62], or inhibit NADPH-utilizing enzymes with alkaline pH-optimum, such as nitric oxide synthase ...islet ...
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The Effect of Curcumin on Intracellular pH (pHi), Membrane Hyperpolarization and Sperm Motility
... sperm intracellular pH: The intra- cellular pH (pHi) of human and mouse sperm was measured by fluorescent pH-indicator 2,7-bicarb- oxyethy l-5, 6-carboxyfluorescein- acetoxymethyl- ester ...
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The influence of photosynthesis on host intracellular pH in scleractinian corals
... of intracellular pH (pHi) is a fundamental aspect of cell physiology that has received little attention in studies of reef-building corals and symbiotic ...the pH- sensitive dye SNARF-1, we tracked ...
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Is intracellular pH a clock for mitosis?
... the intracellular pH of many cells rises to a maximum at the onset of mitosis, subsequently decreasing ...0.5 pH units by the end of ...on pH, may be critical for microtubule (MT) dynamics ...
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THE RELATIONSHIP BETWEEN INTRACELLULAR pH AND SEASONAL TEMPERATURE IN THE BROWN TROUT SALMO TRUTTA
... that pH of both arterial and mixed venous blood of dogfish, Scyliorhinus canicula, at their appropriate seasonal temperature had ∆ pH/ ∆ t values of 2 ...∆ pH/ ∆ t of white muscle was not ...
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Regulation of intracellular pH in anoxia tolerant and anoxia intolerant teleost hepatocytes
... an intracellular milieu compatible with cell survival at reduced metabolic costs (Krumschnabel et ...of intracellular pH (pHi) in these cells under ...extracellular pH (pHe) (Hand and Gnaiger, ...
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Measurement of Intracellular pH of Skeletal Muscle with pH sensitive Glass Microelectrodes
... among intracellular pH, transmembrane potential, and extracellular ...and intracellular pH with a minimum of cellular ...a pH-sensitive electrode in a single tip, facilitated the direct ...
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Water pH limits extracellular but not intracellular pH compensation in the CO2 tolerant freshwater fish Pangasianodon hypophthalmus
... Complete intracellular pH protection during extracellular pH depression is associated with hypercarbia tolerance in white sturgeon, Acipenser ...of intracellular pH measurements in fish ...
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Axial heterogeneity of intracellular pH in rat proximal convoluted tubule
... profile, intracellular pH (pHi) was measured along the superficial PT of the rat under free-flow and stationary microperfusion using the pH-sensitive fluorescence of 4- methylumbelliferone ...
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Intracellular pH regulation in isolated rat bile duct epithelial cells
... To evaluate ion transport mechanisms in bile duct epithelium (BDE), BDE cells were isolated from bile duct-ligated rats. After short-term culture pHi was measured with a single cell microfluorimetric set-up using the ...
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Human immunodeficiency virus infection of T-lymphoblastoid cells reduces intracellular pH.
... included Olympus BH2 and ZH2 microscopes, a cooled charge-coupled device single-chip color camera, high-resolution color video monitors, and a 486/66MHz central processing unit with Targa Plus 16/32 video boards for JAVA ...
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