Ionic Actions on Vascular Smooth Muscle -

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Résumé :
2nd Symposium on Vascular Smooth Muscles, TÜbingen, February 1976

Sommaire:
Response Characteristics of K+-, Ca++- and Other Liquid Membrane Electrodes.- Serum Ca++-Activity and Complexation.- Summary of the Discussion. G. Siegel (Chairman) H. Apfel.- Calcium Activation of Vascular Contractile Proteins.- Calcium Compartments in Vascular Smooth Muscle: Electron Probe Analysis.- Differentiation of Calcium Activation Systems in Vascular Smooth Muscle.- La+++ and Excitation Contraction Coupling in Vascular Smooth Muscle.- Summary of the Discussion. G. Siegel (Chairman) and H. Apfel.- Calcium and Regulation of Cyclic Nucleotides in Rat Aorta.- Calcium and the Regulation of Adenosine 3?,5?-Monophosphate by Neurotransmitters.- Summary of the Discussion. A. P. Somlyo (Chairman) and C. Infantes.- Reaction of Capillary Flow to Electrical Stimulation of the Capillary Wall and to Application of Different Ions.- Membrane Basis of Vascular Regulation.- Noradrenaline and pH-Effects at the Membrane of Vascular Smooth Muscle.- Vascular Effects of Potassium in Physiologic Concentration Range.- Summary of the Discussion. W. R. Keatinge (Chairman) and U. Schindler.- Calcium in the Vascular Smooth Muscle Cell.- Spontaneous Actions of Small Pial Vessels and the Response to Transmural Electrical Stimulation.- Ionic Interaction in Pial Vascular Smooth Muscles.- Measurements of Pial Perivascular Ion Activities by Means of Ion Sensitive Microelectrodes.- The Effects of Serotonin and Noradrenaline on the Pial Arteries.- Interactions of Norepinephrine with H+ and K+ at Pial Arteries of Cats.- Summary of the Discussion. J. Astrup (Chairman) and G. Karlitzky.- The Action of K+ at the Cerebral Vessels.- K+ Accumulation as a Pathological Stimulus for Dilatation or Contraction of Cerebral Vessels.- H+, CO2, Prostaglandins and Cerebrovascular Smooth Muscle.- Correlation of Changes in Blood Flow and Acid-Base Changes in the Brain during Induced Epileptic Seizures.- Evidence against H+ and K+ as the Main Factors in the Regulation of Cerebral Blood Flow during Epileptic Discharges, Acute Hypoxemia, Amphetamine Intoxication, and Hypoglycemia. A Microelectrode Study.- Summary of the Discussion. R. M. Berne (Chairman) and D. Heuser.- Interactions of H Ions, Ca-Antagonistic Drugs and Cardiac Glycosides with Excitation-Contraction Coupling of Vascular Smooth Muscle.- Effect of Phosphodiesterase-Inhibition on Smooth Muscle Tone.- The Effect of Bencyclane on the K+- and Ca++- Induced Pial Arterial Constriction.- Effect of Adenosine on Contraction of Vascular Smooth Muscle.- Influence of pH on Adenosine-Induced Dilatations of Pial Arteries.- Effect of Sodium Nitroprusside, Temperature, and Calcium Withdrawal on the Relaxation Speed of Vascular Smooth Muscle.- Summary of the Discussion. C. van Breemen (Chairman) and A. Linke.- Conclusion.