CONTRACTION OF SMOOTH MUSCLE BY COOLING AND EXTRACELLULAR CALCIUM
نویسندگان
چکیده
منابع مشابه
Calcium and vascular smooth muscle contraction.
Radioactive calcium flux in rabbit aorta was studied to evaluate factors regulating the movement of calcium into and out of the cell. Calcium content was estimated both from (1) the amount of Ca present in the tissue and the specific activity of Ca in the bathing medium, and (2) determination of chemical calcium by atomic absorption spectrophotometry. Calcium efflux was followed by washing aort...
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Cooling intrathoracic airways by filling the pulmonary circulation with cold blood alters pulmonary mechanoreceptor discharge. To determine whether this initiates reflex changes that could contribute to airway obstruction, we measured changes in tracheal smooth muscle tension and bronchial arterial flow evoked by cooling. In nine chloralose-anesthetized open-chest dogs, the right pulmonary arte...
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The binding of calcium by isolated sarcoplasmic reticulum from cow uterus was studied. Sarcoplasmic reticulum was prepared by differential centrifugation. Three fractions were obtained: I, sedimented between 2,500-15,000 x g; II at 40,000 x g; and III, at 150,000 x g. Fraction II was further purified on a sucrose density gradient. All three fractions contained considerable amounts of intrinsic ...
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ژورنال
عنوان ژورنال: Japanese Journal of Smooth Muscle Research
سال: 1981
ISSN: 0374-3527,1884-8788
DOI: 10.1540/jsmr1965.17.27