Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P08908 (5-HT1A)
 5,574 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Angiotensin-converting enzyme inhibitors and alpha1-adrenoceptor antagonists improve glucose disposal in diabetes mellitus. We compared the effect of the antihypertensive hybrid drug urapidil [alpha1-adrenoceptor antagonist serotonin 1A (5-hydroxytryptamine 1A, 5-HT1A) receptor agonist] on hyperglycemia in streptozotocin diabetic rats with the angiotensin-converting enzyme inhibitor ramipril. 5-HT1A receptor agonists induce hyperglycemia. This could be an important disadvantage during treatment of diabetes mellitus with urapidil. Diabetes was induced by streptozotocin (70 mg/kg i.p.). Treatment for 7 days (ramipril 10 mg/kg p.o.; urapidil 20 mg/kg p.o.) significantly decreased mean blood glucose values (urapidil: 15.7+/-0.9 mmol/l, P=0.007; ramipril: 15.0+/-0.8 mmol/l, P=0.038 vs. diabetic control group: 18.7+/-1.0 mmol/l). Both drugs reduced significantly blood pressure, urinary glucose, water consumption, and food requirement. Serotonin concentration in the brain (medulla oblongata, pituitary) was not affected. A normalization comparable with healthy control rats was observed only in a diabetic control group with insulin therapy. In conclusion, our results demonstrate that the antihypertensive drug urapidil has no detrimental effect on hyperglycemia compared with the angiotensin-converting enzyme inhibitor ramipril in experimental diabetes mellitus despite its 5-HT1A receptor agonistic properties.
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PMID:The effect of urapidil and ramipril on hyperglycemia in streptozotocin diabetic rats. 1065 Nov 53