Yazar "Öztürk, Yusuf" için Kütüphane ve Dokümantasyon Daire Başkanlığı listeleme
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Altered Alpha-Adrenergic Responses of Vas-Deferens to Noradrenaline and Tyramine From Rats With Short-Term and Long-Term Alloxan Diabetes
Öztürk, Yusuf; Yıldızoğulları, N; Altan, Vecdi Melih (Pergamon-Elsevier Science LTD, 1994)1. Functional and morphological abnormalities in vas deferens have been reported by both experimental and clinical studies as a cause of genital function abnormalities in diabetic males. 2. In the present study, contractile ... -
Beta-Adrenergic Responsiveness of the Gastrointestinal-Tract in Diabetic Rats
Öztürk, Yusuf; Altan, Vecdi Melih; Yıldızoğulları, N (Munksgaard Int Publ LTD, 1992)Recently, decreased gastrointestinal beta-adrenergic responses in experimental diabetes have been demonstrated. Gastrointestinal responses to beta-adrenoceptor agonists are impaired in both insulin-dependent and ... -
Bradykinin Receptors in Intestinal Smooth Muscles and Their Postreceptor Events Related to Calcium
Öztürk, Yusuf; Altan, Vecdi Melih; Yıldızoğulları, N; Altınkurt, O (Hindawi LTD, 1993)THE effects of trifluoperazine and verapamil on bradykinin- and des-Arg9-bradykinin induced responses of isolated rat duodenum and guinea-pig ileum were investigated to elucidate post-bradykinin receptor events. Verapamil ... -
Bradykinin receptors in isolated rat duodenum
Altınkurt, Onur; Öztürk, Yusuf (1990)Pharmacological properties of the bradykinin receptors in the isolated rat duodenum were investigated by examining the relaxant and contractile responses to bradykinin and [des-Arg9]-bradykinin, an agonist of B1 receptors. ... -
Decreased gastro-intestinal responses to salbutamol and serotonin in streptozotocin-induced diabetes: Improving effect of insulin in vivo and in vitro
Yıldızoğlu-Arı, N.; Altınkurt, Onur; Öztürk, Yusuf; Altan, Vecdi Melih; Pekiner, C.; Karasu, Ç. (1988)1. 1. Decreased gastro-intestinal responses to salbutamol (sal) and serotonin (5-HT) in experimental diabetes have been postulated. The present study was designed to investigate whether in vivo and in vitro insulin treatments ... -
Duration-dependent changes in calcium responsiveness in the alloxan-diabetic rat intestine
Öztürk, Yusuf; Altan, Vecdi Melih; Yıldızoğlu-Arı, N. (Elsevier Science Inc, 1996)Disturbances of the gastrointestinal tract that are common in diabetes mellitus seem to be related to intestinal motility. In experimental models of diabetes, decreased calcium sensitivity has been demonstrated in various ... -
Effect of Insulin on the Decreased Beta-Adrenergic Responses of Duodenum and Atrium Isolated From Streptozotocin Diabetic Rats
Öztürk, Yusuf; Yıldızoğulları, N; Altan, Vecdi Melih; Özçelikay, At (Pergamon-Elsevier Science LTD, 1993)1. Decreased beta-adrenergic responses have been reported in both gastro-intestinal tract and atrium of experimentally-induced diabetic rats. The present study was undertaken to investigate in vitro effects of insulin on ... -
Effect of insulin treatment on smooth muscle calmodulin levels in rats with long-term streptozotocin-diabetes
Aydın, Süleyman; Öztürk, Yusuf; Altan, V. Melih; Yıldızoğlu-Arı, Nuray; Özçelikay, AT (Elsevier Sci Ireland LTD, 1996)Altered responses to several agonists have been reported in various smooth muscles from experimentally-diabetic animals suggesting a defective contractile process of smooth muscle Recently, decreased smooth muscle calmodulin ... -
Effect of Short and Long-Term Streptozotocin Diabetes on Smooth-Muscle Calmodulin Levels in the Rat
Öztürk, Yusuf; Aydın, Süleyman; Altan, Vecdi Melih; Yıldızoğlu-Arı, Nuray; Özçelikay, At (Churchill Livingstone, 1994)Diabetes mellitus is a metabolic disease associated with certain complications which have also been demonstrated in the experimental models of this disease. Altered responses to several agonists have been reported in various ... -
The Effect of Vanadate on Alloxan-Diabetic Rat Atria
Özçelikay, At; Yıldızoğulları, N; Özüarı, A; Öztürk, Yusuf; Altan, Vecdi Melih (Elsevier Sci Ireland LTD, 1993)In this study, we examined the effect of vanadate treatment on cardiac changes recognized in diabetic rats. In addition, the possible contribution of thyroid hormones to vanadate's effect on alloxan-diabetic atria was also ... -
The Effects of Glyburide and Insulin on the Decreased Beta-Adrenergic Responsiveness of the Gastrointestinal-Tract in Rats With Non-Insulin-Dependent Diabetes
Öztürk, Yusuf; Yıldızoğulları, N; Özüarı, A; Altan, Vecdi Melih (Pergamon-Elsevier Science LTD, 1994)1. Decreased beta-adrenergic responses have been reported in gastro-intestinal tract of rats with diabetes mellitus. Effects of glyburide and insulin on the decreased beta-adrenergic responsiveness of the gastro-intestinal ... -
Effects of Hypericum calycinum L extract on the central nervous system in mice
Öztürk, Yusuf; Aydın, Süleyman; Arslan, Rana; Başer, K. Hüsnü Can; Berberoğlu, H (John Wiley & Sons LTD, 1996)Hypericum species have been used as herbal remedies for the therapy of various neurological disorders. In the present study, the effects of Hypericum calycinum on the central nervous system were investigated using various ... -
Effects of Hypericum perforatum L and Hypericum calycinum L extracts on the central nervous system in mice
Öztürk, Yusuf; Aydın, Süleyman; Arslan, Rana; Başer, K. Hüsnü Can; Berberoğlu, H (Gustav Fischer Verlag, 1996)Hypericum species have been used as herbal remedies for the therapy of various diseases since ancient times. It has been reported that Hypericum perforatum is a useful herbal remedy for the treatment of neurological disorders ... -
Effects of the Agents Affecting Cyclic-Nucleotide Metabolism on the Bradykinin-Induced and Des-Arg(9)-Bradykinin-Induced Relaxations and Contractions in Isolated Rat Duodenum
Öztürk, Yusuf (Pergamon-Elsevier Science LTD, 1994)1. Bradykinin and related kinins possess two different types of action (consisting of relaxation and contraction) in the isolated rat duodenum via their specific receptors. However, the mechanisms of these actions have not ... -
Endothelium-Dependent and Independent Effects of Garlic on Rat Aorta
Öztürk, Yusuf; Aydın, Süleyman; Koşar, Müberra; Başer, K. Hüsnü Can (Elsevier Sci Ireland LTD, 1994)Effects of garlic on isolated rat aorta were investigated by comparing with those of acetylcholine and L-arginine in the presence and absence of endothelium. For this purpose, certain linear and non-linear regression models ... -
Evaluation of Contraction Time and Recovery Period as a Parameter in the Calcium Antagonistic Action on the K+-Depolarized Rat Duodenum
Öztürk, Yusuf; Altınkurt, Onur; Yıldızoğulları, N; Altan, Vecdi Melih (Royal Pharmaceutical Soc Great Britain, 1990)Verapamil, nifedipine, phentolamine, tolazoline, gentamicin and neomycin inhibited calcium-induced contractions of K+-depolarized duodenum of the rat by shifting the concentration-response curves to the right. Non-competitive ... -
Increased responses to adenosine in isolated left atria from streptozotocin-diabetic rats: Evidence for the involvement of hypothyroidism
Gür, S.; Arı, N.; Öztürk, Yusuf (1997)Direct and indirect (antiadrenergic) inotropic effects of adenosine in the isolated left atrial preparations from streptozotocin-induced diabetic rats were examined by comparing with those from propylthiouracil-induced ... -
Insulin action on different smooth muscle preparations
Altan, Vecdi Melih; Öztürk, Yusuf; Yıldızoğlu-Arı, N.; Nebigil, C.; Lafçi, D.; Özçelikay, A. T. (1989)1. 1. The importance of insulin in diabetic gastro-intestinal complications has been postulated. The present study was designed to investigate short-term effect of insulin on different smooth muscles isolated from non-diabetic ... -
The involvement of endogenous opioid mechanisms in the antinociceptive effects induced by antidepressant drugs, desipramine and trimipramine
Öztürk, Yusuf; Aydın, Süleyman; Arslan, Rana; Herekman-Demir, Tuba (Pergamon-Elsevier Science LTD, 2006)The present study was designed to investigate the involvement of endogenous opioid systems in the antinociception induced by the antidepressant drugs, desipramine and trimipramine. For this purpose, the antinociceptive ...