Literature DB >> 6795055

Effect of metabolic versus respiratory acid-base changes on isolated coronary artery and saphenous vein.

T W Rooke, H V Sparks.   

Abstract

Experiments were performed on helically cut strips from coronary artery and saphenous vein to determine the relative influence of metabolic versus respiratory acid-base changes. Tensions were measured over a range of various HCO3- concentrations and pCO2's. The results suggest that tension is influenced by extracellular pH and is independent of pCO2.

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Year:  1981        PMID： 6795055     DOI： 10.1007/BF01971792

Source DB:  PubMed          Journal:  Experientia        ISSN： 0014-4754


  6 in total

1.  Effect of pH on norepinephrine-induced contractions of isolated arterial smooth muscle.

Authors:  L TOBIAN; S MARTIN; W EILERS
Journal:  Am J Physiol       Date:  1959-05

2.  Coronary artery cyclic AMP content during adrenergic receptor stimulation.

Authors:  C L Seidel; R L Schnarr; H V Sparks
Journal:  Am J Physiol       Date:  1975-08

3.  Intracellular pH and K+ of cardiac and skeletal muscle in acidosis and alkalosis.

Authors:  P A Poole-Wilson; I R Cameron
Journal:  Am J Physiol       Date:  1975-11

4.  Effect of pH and PCO2 changes on the reactivity of isolated venous smooth muscle.

Authors:  P Vanhoutte; D Clement
Journal:  Arch Int Physiol Biochim       Date:  1968-02

5.  Role of hypercapnic acidosis in the local regulation of blood flow in skeletal muscle.

Authors:  H A Kontos
Journal:  Circ Res       Date:  1971-01       Impact factor: 17.367
  6 in total
  5 in total

1.  Extracellular pH signals affect rat vascular tone by rapid transduction into intracellular pH changes.

Authors:  C Austin; S Wray
Journal:  J Physiol       Date:  1993-07       Impact factor: 5.182

2.  Divergent effects of extracellular and intracellular alkalosis on Ca2+ entry pathways in vascular endothelial cells.

Authors:  I Wakabayashi; K Groschner
Journal:  Biochem J       Date:  1997-04-15       Impact factor: 3.857

3.  Effects of neuropeptide Y and calcitonin gene-related peptide on sheep coronary artery rings under oxygenated, hypoxic and simulated myocardial ischaemic conditions.

Authors:  Y W Kwan; R M Wadsworth; K A Kane
Journal:  Br J Pharmacol       Date:  1990-04       Impact factor: 8.739

4.  Calcium channel current of vascular smooth muscle cells: extracellular protons modulate gating and single channel conductance.

Authors:  U Klöckner; G Isenberg
Journal:  J Gen Physiol       Date:  1994-04       Impact factor: 4.086

5.  Intracellular pH modulates the availability of vascular L-type Ca2+ channels.

Authors:  U Klöckner; G Isenberg
Journal:  J Gen Physiol       Date:  1994-04       Impact factor: 4.086
  5 in total

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