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Patients with TID are subjected to a lifelong insulin therapy which shows risks of hypoglycemia, suboptimal control and ketosis. In this study, we investigated the potential role of vildagliptin (Vilda) alone or in combination with pioglitazone (Pio), as treatment regimens for TID using streptozotocin (STZ)-induced TID model in rats. Daily oral administration of Vilda (5 mg\/kg) alone or in combination with Pio (20 mg\/kg) for 7 weeks significantly reduced blood glucose levels and HbA<jats:sub>1c<\/jats:sub>. It increased serum insulin levels and decreased serum glucagon. It also showed a strong antioxidant activity. Immunohistochemical analysis showed a marked improvement in \u03b2-cells in treated groups when compared with the diabetic group, which appeared in the normal cellular and architecture restoration of \u03b2-cells in the islets of Langerhans. Vilda alone or in combination with Pio has the ability to improve the overall glycemic control in type I diabetic rats and may be considered a hopeful and effective remedy for TID. <\/jats:p>","DOI":"10.1139\/cjpp-2017-0680","type":"journal-article","created":{"date-parts":[[2018,3,6]],"date-time":"2018-03-06T22:38:32Z","timestamp":1520375912000},"page":"710-718","update-policy":"https:\/\/doi.org\/10.1139\/csp-crossmark-policy","source":"Crossref","is-referenced-by-count":9,"title":["Vildagliptin\/pioglitazone combination improved the overall glycemic control in type I diabetic rats"],"prefix":"10.1139","volume":"96","author":[{"given":"Amir Mohamed","family":"Abdelhamid","sequence":"first","affiliation":[{"name":"Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, Egypt."},{"name":"Department of Pharmacology & Toxicology, Faculty of Pharmacy, Delta University, Egypt."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rania Ramadan","family":"Abdelaziz","sequence":"additional","affiliation":[{"name":"Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, Egypt."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hatem Abdelrahman Ali","family":"Salem","sequence":"additional","affiliation":[{"name":"Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, Egypt."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","reference":[{"key":"refg1\/ref1","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2003-031907"},{"key":"refg2\/ref2","doi-asserted-by":"publisher","unstructured":"Alberti, K.G., and Zimmet, P.Z. 1998. 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