M. I. Cingi

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The effect of vasoactive intestinal polypeptide (VIP) on the contractile activity of the urinary bladder was investigated in the rat. VIP caused a weak contraction and a small potentiation of carbachol- and acetylcholine-induced contractions. The present results may provide the evidence that VIP could be a modulator in the urinary bladder.
Grapefruit juice has been reported to markedly improve the bioavailability of triazolam, midazolam, terfenadine, cyclosporine and several dihydropyridine calcium channel blockers including felodipine, nifedipine, nitrendipine and nisoldipine. Because these drugs are metabolized by the hepatic cytochrome P450 isozyme (CYP) 3A4, the inhibitory effect of(More)
Kallidin and bradykinin produce a biphasic response, contraction followed by relaxation on the isolated guinea-pig tracheal muscle. Two population of receptors appear to regulate the action of kinins on the trachea. Receptors on the epithelium seem to release chemical mediators that control the relaxation response. The question whether similar or different(More)
Analgesic and anti-inflammatory effects of N-(p-ethoxyphenyl)-2,6-dihydroxybenzamide (1), N-(p-ethoxyphenyl)-2,6-diacetoxybenzamide (2), N-(p-ethoxyphenyl)-2,5-dihydroxybenzamide (3), and N-(p-ethoxyphenyl)-2,5-diacetoxybenzamide (4) have been investigated in mice and rats. The analgesic effect of 2 on acetic acid-induced writhing was found to be stronger(More)
It is well known that infection-induced stones (apatite, struvite), uric acid and cystine calculi in the urinary tract can be managed by the use of certain chemical solutions. We investigated the effects of various acidic and alkaline solutions on the rabbit urothelium. Acidic solutions (pH: 4.2) caused more urothelial injury as compared to alkaline(More)
The effects of a 7 days chemotherapy with ciprofloxacin or ofloxacin on the cellular and humoral immune responses in albino mice were studied. The non-toxic doses of the drugs (10 or 30 mg/kg/day) were used. The delayed-type hypersensitivity reaction to sheep blood cells and skin biopsy were evaluated for cellular immune response. The complement fixation(More)
The effects of nitrendipine on stress-induced acute gastric lesions were investigated in rats. Intraperitoneally injected nitrendipine (8, 16, or 32 mg/kg) given 30 min before stress, dose-dependently prevented gastric glandular ulceration. The anti-ulcer effects of nitrendipine were not reversible by indometacin or dexamethasone. These results suggest that(More)
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