Results 251 to 260 of about 533,409 (280)
Disrupting Na+ ion homeostasis and Na+/K+ ATPase activity in breast cancer cells directly modulates glycolysis in vitro and in vivo. [PDF]
Cancer MetabMichaels AM +9 more
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Current Opinion in Cell Biology, 2001
Alterations in the transmembrane gradients of several physiological ions may influence programmed cell death. In particular, recent data suggest that increases in intracellular calcium may either promote or inhibit apoptosis, depending on the level, timing and location, whereas loss of intracellular potassium promotes apoptosis.
S P, Yu, L M, Canzoniero, D W, Choi
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Alterations in the transmembrane gradients of several physiological ions may influence programmed cell death. In particular, recent data suggest that increases in intracellular calcium may either promote or inhibit apoptosis, depending on the level, timing and location, whereas loss of intracellular potassium promotes apoptosis.
S P, Yu, L M, Canzoniero, D W, Choi
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e-Neuroforum, 2010
Abstract Hepatic encephalopathy (HE) is a neuropsychiatric disorder associated with acute and chronic liver failure. Ammonium is the most likely toxin responsible for the observed neurological deficits, reaching 5 mM in the CNS during acute HE. Additionally, ammonium preferentially affects astrocytes.
T. Kelly, C.R. Rose
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Abstract Hepatic encephalopathy (HE) is a neuropsychiatric disorder associated with acute and chronic liver failure. Ammonium is the most likely toxin responsible for the observed neurological deficits, reaching 5 mM in the CNS during acute HE. Additionally, ammonium preferentially affects astrocytes.
T. Kelly, C.R. Rose
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Metal ion homeostasis in Bacillus subtilis
Current Opinion in Microbiology, 2005Bacillus subtilis, a Gram-positive soil bacterium, provides a model system for the study of metal ion homeostasis. Metalloregulatory proteins serve as the arbiters of metal ion sufficiency and regulate the expression of metal homeostasis pathways. In B.
Charles M, Moore, John D, Helmann
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Brain ion homeostasis in cerebral ischemia
Neurochemical Pathology, 1988Brain function is severely disturbed in ischemia. Within seconds, consciousness and spontaneous activity is lost, whereas interstitial concentrations of major ions are kept near normal levels. After a few minutes, there is a dramatic increase of potassium and a lowering of sodium, chloride, and calcium concentrations. Similar ionic changes are observed
A J, Hansen, M, Nedergaard
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Calcium ion homeostasis in smooth muscle
Pharmacology & Therapeutics, 1992Ca2+ plays an important role in the regulation of smooth-muscle contraction. In this review, we will focus on the various Ca(2+)-transport processes that contribute to the cytosolic Ca2+ concentration. Mainly the functional aspects will be covered.
L, Missiaen +4 more
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Journal of Experimental Biology, 1992
ABSTRACTThe constant composition of body fluids in insects is maintained by the cooperative interaction of gastrointestinal and urinary tissues. Water follows ionic movements, which are driven by the basolateral Na+/K+-ATPase and/or the apical ‘K+(or Na+) pump’.
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ABSTRACTThe constant composition of body fluids in insects is maintained by the cooperative interaction of gastrointestinal and urinary tissues. Water follows ionic movements, which are driven by the basolateral Na+/K+-ATPase and/or the apical ‘K+(or Na+) pump’.
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Metal ion homeostasis and intracellular parasitism
Molecular Microbiology, 1998Bacteria possess multiple mechanisms for the transport of metal ions. While many of these systems may have evolved in the first instance to resist the detrimental effects of toxic environmental heavy metals, they have since become adapted to a variety of important homeostatic functions.
D D, Agranoff, S, Krishna
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