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"adiponectin", "islet cell function"

Abhijeet K Choudhary, Jillian Rennie, Carolynn Cairns, Gary Borthwick, Jeremy Hughes, Nicholas M Morton, David Kluth, Bryan R Conway
Amelioration of rodent type 2 diabetes by hemin has been linked to increased heme oxygenase (HO) activity, however alternative mechanisms have recently been proposed for its anti-diabetic effect. We sought to determine the anti-diabetic efficacy of heme arginate (HA), a clinically licensed preparation of heme, and whether its predominant mode of action is via increased HO activity. Intravenous administration of HA reduced hyperglycemia in diabetic (db/db) mice. Co-administration of the HO inhibitor stannous (IV) mesoporphyrin IX dichloride (SM) resulted unexpectedly in a further improvement in glycaemic control despite restoring HO activity to baseline levels...
2013: PloS One
L Chen, T Klein, P S Leung
Dipeptidyl peptidase-4 (DPP-4) inhibitors enhance incretin actions and beta-cell function. Concurrently, sodium-glucose co-transporter 2 (SGLT2) inhibitors block renal glucose reabsorption promoting excretion. In this study, we investigated the effects of linagliptin (a DPP-4 inhibitor) and BI-38335 (an SGLT2 inhibitor), individually and in combination, on glucose homeostasis, islet function, and pancreatic islet morphology in db/db mice. Diabetic and non-diabetic mice received linagliptin (3 mg/kg), BI-38335 (1 mg/kg), the two drugs in combination or control once daily for 8 weeks...
September 2012: Current Molecular Medicine
Lu-lu Song, Jian-zhong Xiao, Wen-ying Yang, Min Zhang, Bin-bin Liu, Lin Pan
OBJECTIVES: To evaluate the effect of combination of liraglutide, a glucagon-like peptide-1 analogue and pioglitazone, an insulin sensitizer, on diabetic db/db mice. METHODS: Thirty-five 8-week old male db/db mice were divided into control group (n = 8), pioglitazone group (n = 9), liraglutide group (n = 9) and combined therapeutic group (n = 9), which was given normal saline 0.1 ml, 2/d, pioglitazone 24 mg×kg(-1)×d(-1) (feed contained 0.02% pioglitazone) + normal saline 0...
September 2011: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
Chunjiong Wang, Youfei Guan, Jichun Yang
The dysfunction of pancreatic β-cell and the reduction in β-cell mass are the decisive events in the progression of type 2 diabetes. There is increasing evidence that cytokines play important roles in the procedure of β-cell failure. Cytokines, such as IL-1β, IFN-γ, TNF-α, leptin, resistin, adiponectin, and visfatin, have been shown to diversely regulate pancreatic β-cell function. Recently, islet-derived cytokine PANcreatic DERived factor (PANDER or FAM3B) has also been demonstrated to be a regulator of islet β-cell function...
2010: International Journal of Endocrinology
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