Variation in the pattern of bacterial infection in patients with sickle cell disease requiring admission |
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Authors: | RM Akuse |
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Affiliation: | Department of Biology, Chinese University of Hong Kong, N.T., Hong Kong. |
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Abstract: | A lectin, which exerted a hypotensive action in rats after intravenous injection via the jugular vein, was isolated from the mycelia of the edible mushroom Tricholoma mongolicum. The lectin possessed a molecular weight of 37 K and its hypotensive activity was dose-dependent. Administration of the lectin at a dose of 10 mg/kg body weight caused a mean arterial blood pressure reduction of 95.3 +/- 7.4 mmHg. The lectin's hypotensive action was not mediated via autonomic ganglion transmission, alpha-adrenoceptors, beta-adrenoceptors, cholinergic receptors, histaminergic receptors, nor the renin-angiotensin system, but it was probably mediated through vasorelaxation via adenosine A2 receptors and/or nitric oxide production. |
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