Results 1 to 10 of about 78,588 (247)

Functional coupling of chloride–proton exchanger ClC-5 to gastric H+,K+-ATPase [PDF]

open access: yesBiology Open, 2013
Summary It has been reported that chloride–proton exchanger ClC-5 and vacuolar-type H+-ATPase are essential for endosomal acidification in the renal proximal cells. Here, we found that ClC-5 is expressed in the gastric parietal cells which secrete actively hydrochloric acid at the luminal region of the gland, and that it is partially ...
Yuji Takahashi   +13 more
openaire   +3 more sources

Na/H exchange and H-K ATPase increase distal tubule acidification in chronic alkalosis [PDF]

open access: yesKidney International, 1998
We examined whether H(+)-ATPase, H(+)-K(+)-ATPase, and or Na+/H+ exchange mediates increased distal tubule acidification in animals with chronic metabolic alkalosis using pharmacological inhibitors of these H+ transporters in in vivo-perfused tubules of anesthetized rats.
openaire   +3 more sources

Conformational changes in gastric H+/K+-ATPase monitored by difference Fourier-transform infrared spectroscopy and hydrogen/deuterium exchange [PDF]

open access: yesBiochemical Journal, 2004
Gastric H+/K+-ATPase is a P-type ATPase responsible for acid secretion in the stomach. This protein adopts mainly two conformations called E1 and E2. Even though two high-resolution structures for a P-ATPase in these conformations are available, little structural information is available about the transition between these two conformations.
Scheirlinckx, Frantz   +3 more
openaire   +2 more sources

Role of the Plasmalemma H+-ATPase in Pseudomonas syringae-Induced K+/H+ Exchange in Suspension-Cultured Tobacco Cells [PDF]

open access: yesPlant Physiology, 1989
Activation of a host plasma membrane K(+) efflux/net H(+) uptake exchange by pathogenic pseudomonads plays an important role in the development of hypersensitivity in tobacco (Nicotiana tabacum). Involvement of the plasmalemma H(+)-pumping ATPase in this response was investigated.
M M, Atkinson, C J, Baker
openaire   +2 more sources

Evaluation of the Role of Na+/ K+ ATPase Ion Transporters and Na+/K+/ 2Cl and Na+/H+ Exchanger Cotransporters in Nephrons of Periophthalmus Waltoni Using Immunohistochemistry and Histology [PDF]

open access: yes, 2021
Abstract Kidneys play an important role in regulating the balance of water and ions in freshwater and seawater fish. However, complex kidney structures impair a comprehensive understanding of kidney function. In this study, in addition to renal histology, Na+/K+/ATPase ion transporter proteins and Na+/K+/2Cl− and NHE3 cotransporters were ...
Kave Esfandiari   +4 more
openaire   +1 more source

Mechanisms of secondary injury to spinal cord axons in vitro: role of Na+, Na(+)-K(+)-ATPase, the Na(+)-H+ exchanger, and the Na(+)-Ca2+ exchanger [PDF]

open access: yesThe Journal of Neuroscience, 1996
There is evidence that intracellular Na+ entry potentiates hypoxic-ischemic cell death by causing cytotoxic cell edema, intracellular acidosis, and gating of Ca2+ entry by reverse activation of the Na(+)-Ca2+ exchanger. In this study, we examined the role of Na+ in mediating traumatic injury to spinal cord axons. Dorsal column segments from adult rats (
S K, Agrawal, M G, Fehlings
openaire   +2 more sources

Glyphosate inhibition of ferric reductase activity in iron deficient sunflower roots [PDF]

open access: yes, 2007
Iron (Fe) deficiency is increasingly being observed in cropping systems with frequent glyphosate applications. A likely reason for this is that glyphosate interferes with root uptake of Fe by inhibiting ferric reductase in roots required for Fe ...
Cakmak, Ismail   +10 more
core   +3 more sources

Estímulo no crescimento e na hidrólise de ATP em raízes de alface tratadas com humatos de vermicomposto: i - efeito da concentração. [PDF]

open access: yes, 2006
O vermicomposto contém uma concentração elevada de substâncias húmicas e já é bem conhecido o efeito do seu uso sobre as propriedades do solo. No entanto,a ação direta das substâncias húmicas sobre o metabolismo das plantas é menos conhecida.
ADANI F.   +43 more
core   +3 more sources

Effect of inhibitors of Na+/H+‐exchange and gastric H+/K+ ATPase on cell volume, intracellular pH and migration of human polymorphonuclear leucocytes [PDF]

open access: yesBritish Journal of Pharmacology, 1998
Stimulation of chemotaxis of human polymorphonuclear leucocytes (PMNs) with the chemoattractive peptide fMLP (N‐formyl‐Met‐Leu‐Phe) is paralleled by profound morphological and metabolic alterations like changes of intracellular pH (pHi) and cell shape. The present study was performed to investigate the interrelation of cell volume (CV) regulatory ion
M, Ritter   +12 more
openaire   +2 more sources

E5 protein of human papillomavirus 16 downregulates HLA class I and interacts with the heavy chain via its first hydrophobic domai [PDF]

open access: yes, 2006
Human papillomavirus type 16 E5 protein (HPV-16 E5) is expressed early in papillomavirus infection and is localised primarily in the cell Golgi apparatus (GA) and endoplasmic reticulum. E5 prevents transport of the major histocompatibility class I (MHC I;
Adam   +30 more
core   +1 more source

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