Search for dissertations about: "Na K ATPase"

Showing result 16 - 20 of 64 swedish dissertations containing the words Na K ATPase.

2. 16. A special role of Na,K-ATPaseand its molecular partners for astrocyte function

   Author : Nina Illarionova; Karolinska Institutet; Karolinska Institutet; []
   Keywords : ;

   Abstract : Astrocytes are glial cells that express several specific transporters and channels with specialized functions to maintain water, ion and neurotransmitter concentrations in order to preserve normal neuronal function. Astrocytes express two catalytic isoforms of plasma membrane enzyme Sodium Potassium-ATPase (Na,K-ATPase), that are essential for several of astrocyte’s functions. READ MORE

4. 17. The regulation of renal tubular Na+ transport is dependent on interaction between different hormones

   Author : Yoshiyuki Ohtomo; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Norepinephrine; oc-adrenergic; beta-adrenergic; neuropeptide Y; Na ; K -ATPase activity; C-peptide; ontogeny;

   Abstract : Renal Na+,K+-ATPase (NKA) is of great importance for the regulation of salt metabolism and its activity can be inhibited by several natriuretic hormones. So far, the effect of antinatriuretic factors have been less well studied. READ MORE

5. 18. Oxidative stress and calcium signalling : implications for diabetes and cardiac glycosides

   Author : Mark Lal; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Calcium; diabetes; Na; K-ATPase; ouabain; oxidative stress;

   Abstract : The signal transduction processes by which an individual cell is able to recognize and respond to its external environment are critical to determining its survival as well as that of the entire organism. In the current study we have investigated the intracellular signalling cascades activated downstream of two separate stimuli: the diabetic milieu and the cardiac glycoside, ouabain. READ MORE

6. 19. The role of catecholamines in regulation of renal tubular sodium transport

   Author : Ulla Holtbäck; Karolinska Institutet; Karolinska Institutet; []
   Keywords : sodium balance; Na ; H -antiporter; Na ; K -ATPase; renal proximaltubules; hormonal regulation.;

   Abstract : Renal sodium metabolism, a major determinant of arterial blood pressure, is regulated with remarkable precision by a variety of endocrine, autocrine and neuronal factors. All these factors are known to regulate sodium metabolism by affecting the rate of renal tubular sodium reabsorption. READ MORE

7. 20. Regulation of ion transport in the gastrointestinal tract : aspects of early development

   Author : Lena Grahnquist; Karolinska Institutet; Karolinska Institutet; []
   Keywords : Gastrointestinal transport; early development; ontogeny; ion; sodium; potassium; H ; K -ATPase; Na - K - 2Cl- cotransporter; barium-sensitive potassium channels; Na ; K -; ATPase; dopamine; angiotensin II; glucocorticoids; rat; human;

   Abstract : Ion transport in the gastrointestinal tract is vital for cellular homeostasis and to ensure growth during ontogeny. We have therefore investigated the regulation and maturation of sodium, potassium and hydrogen transport in the gastrointestinal tract. Net jejunal sodium absorption is significantly higher in young as compared to adult rats. READ MORE