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Urocortin III (mouse) (trifluoroacetate salt) Sale

目录号 : GC45591

A neuropeptide hormone

Urocortin III (mouse) (trifluoroacetate salt) Chemical Structure

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500μg
¥6,835.00
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产品描述

Urocortin III is a neuropeptide hormone and member of the corticotropin-releasing factor (CRF) family which includes mammalian CRF , urocortin , urocortin II , frog sauvagine, and piscine urotensin I.1 Mouse urocortin III shares 90, 40, 37, and 18% identity to human urocortin III , mouse urocortin II , human urocortin , and mouse urocortin, respectively. It is expressed in the hypothalamus, brainstem, lateral septum (LS)/bed nucleus of stria terminalis (BnST) in the CNS and the small intestine, pancreatic β-cells, and skin in the periphery in mice. Urocortin III selectively binds to type 2 CRF receptors (Kis = 5, 1.8, and >100 nM for rat CRF2α, rat CRF2β, and human CRF1, respectively). It stimulates cAMP production in CHO cells expressing rat CRF2α and mouse CRF2β (EC50s = 0.073 and 0.08 nM, respectively) as well as in cultured anterior pituitary cells expressing endogenous CRF2β. In vivo, urocortin III (2 μg, i.p.) accelerates metamorphosis of S. hammondii tadpoles.2 Urocortin III (20 μg, i.c.v.) increases exploration in the open field test and decreases latency to enter the lit compartment in the dark-light emergence test in mice, indicating anxiolytic-like activity, and mRNA expression is increased in mouse brain in response to restraint.3 It is co-released with insulin to potentiate glucose-stimulated somatostatin release in vitro and in vivo in wild-type mice, however, it is depleted from β-cells in mouse and macaque models of type 2 diabetes, suggesting a role in glycemic control.4

References
1. Lewis, K., Li, C., Perrin, M.H., et al. Identification of urocortin III, an additional member of the corticotropin-releasing factor (CRF) family with high affinity for the CRF2 receptor. Proc. Natl. Acad. Sci. U.S.A. 98(13), 7570-7575 (2001).
2. Okada, R., Miller, M.F., Yamamoto, K., et al. Involvement of the corticotropin-releasing factor (CRF) type 2 receptor in CRF-induced thyrotropin release by the amphibian pituitary gland. Gen. Comp. Endocrinol. 150(3), 437-444 (2007).
3. Venihaki, M., Sakihara, S., Subramanian, S., et al. Urocortin III, a brain neuropeptide of the corticotropin-releasing hormone family: Modulation by stress and attenuation of some anxiety-like behaviours. J. Neuroendocrinol. 16(5), 411-422 (2004).
4. van der Meulen, T., Donaldson, C.J., CÁceres, E., et al. Urocortin3 mediates somatostatin-dependent negative feedback control of insulin secretion. Nat. Med. 21(7), 769-776 (2015).

Chemical Properties

Cas No. SDF
分子式 C186H312N52O52S2.XCF3COOH 分子量 4173
溶解度 DMSO: 1 mg/ml 储存条件 Store at -20°C
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1 mM 0.2396 mL 1.1982 mL 2.3964 mL
5 mM 0.0479 mL 0.2396 mL 0.4793 mL
10 mM 0.024 mL 0.1198 mL 0.2396 mL
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