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Pax4 agonist

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https://www.readbyqxmd.com/read/29777582/comparative-study-of-liraglutide-and-insulin-glargine-on-glycemic-control-and-pancreatic-%C3%AE-cell-function-in-db-db-mice
#1
Yanli Li, Jia Zheng, Yunfeng Shen, Wangen Li, Meimei Liu, Jun Wang, Surong Zhu, Meihua Wu
BACKGROUND The aim of this study was to compare the effects of liraglutide, a long-acting glucagon-like peptide-1 (GLP-1) receptor agonist, and insulin glargine, a long-acting insulin analog, on glycemic control and pancreatic β-cell function in db/db mice. MATERIAL AND METHODS Eight-week-old male db/db mice (n=40) were divided into five groups: the vehicle-treated group (VG) (n=8); the insulin glargine-treated group (GG) (dose, 450 mg/kg) (n=8), the low-dose liraglutide-treated group (LLG) (dose, 75 μg/kg) (n=8), the mid-dose liraglutide-treated group (MLG) (150 μg/kg) (n=8), and the high-dose liraglutide-treated group (HLG) (300 μg/kg) (n=8), treated with subcutaneous injection once daily, from 8-14 weeks-of-age...
May 19, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29723131/insulin-acts-as-a-repressive-factor-to-inhibit-the-ability-of-par2-to-induce-islet-cell-transdifferentiation
#2
Seung-Hee Lee, Ergeng Hao, David Scharp, Fred Levine
Recently, we showed that pancreatitis in the context of profound β-cell deficiency was sufficient to induce islet cell transdifferentiation. In some circumstances, this effect was sufficient to result in recovery from severe diabetes. More recently, we showed that the molecular mechanism by which pancreatitis induced β-cell neogenesis by transdifferentiation was activation of an atypical GPCR called Protease-Activated Receptor 2 (PAR2). However, the ability of PAR2 to induce transdifferentiation occurred only in the setting of profound β-cell deficiency, implying the existence of a repressive factor from those cells...
May 3, 2018: Islets
https://www.readbyqxmd.com/read/18818287/developmental-and-diurnal-dynamics-of-pax4-expression-in-the-mammalian-pineal-gland-nocturnal-down-regulation-is-mediated-by-adrenergic-cyclic-adenosine-3-5-monophosphate-signaling
#3
Martin F Rath, Michael J Bailey, Jong-So Kim, Anthony K Ho, Pascaline Gaildrat, Steven L Coon, Morten Møller, David C Klein
Pax4 is a homeobox gene that is known to be involved in embryonic development of the endocrine pancreas. In this tissue, Pax4 counters the effects of the related protein, Pax6. Pax6 is essential for development of the pineal gland. In this study we report that Pax4 is strongly expressed in the pineal gland and retina of the rat. Pineal Pax4 transcripts are low in the fetus and increase postnatally; Pax6 exhibits an inverse pattern of expression, being more strongly expressed in the fetus. In the adult the abundance of Pax4 mRNA exhibits a diurnal rhythm in the pineal gland with maximal levels occurring late during the light period...
February 2009: Endocrinology
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