Kira8|CAS 1630086-20-2|DC Chemicals

Cas No.:	1630086-20-2
SMILES:	CC1=C(C2=C(C=C1)C(=CC=C2)NS(=O)(=O)C3=CC=CC=C3Cl)OC4=C(C=CC=N4)C5=NC(=NC=C5)N[C@H]6CCCNC6
Formula:	C₃₁H₂₉ClN₆O₃S
M.Wt:	601.12
Purity:	>98%
Sotrage:	2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO
Publication:	[1]. Morita S, et al. Targeting ABL-IRE1α Signaling Spares ER-Stressed Pancreatic β Cells to Reverse Autoimmune Diabetes. Cell Metab. 2017 Apr 4;25(4):883-897.e8.

Description:	In Vitro KIRA8 blocks IRE1α oligomerization, and potently inhibits IRE1α RNase activity against XBP1 and Ins2 RNAs. KIRA8 more potently reduces IRE1α-driven apoptosis in INS-1 cells than KIRA6 and also reverses XBP1 splicing promoted by GNF-2. In Vivo Kira8 efficaciously reverses established diabetes in NOD mice by sparing β-cells and preserving their physiological function. KIRA8 is first tested in 3-week-old male pre-diabetic Akita mice by i.p. daily dosing of 50 mg/kg, whereupon significant reduction of hyperglycemia became apparent over several weeks. Then KIRA8 (50 mg/kg) is tested in the complex NOD. Showing target engagement, one week treatment of pre-diabetic NODs with KIRA8 leads to significant reductions in islet XBP1 splicing and TXNIP mRNAs, and preserved Ins1/Ins2, BiP and MANF mRNAs.
Target:	IRE1α[1]
In Vivo:	Kira8 efficaciously reverses established diabetes in NOD mice by sparing β-cells and preserving their physiological function. KIRA8 is first tested in 3-week-old male pre-diabetic Akita mice by i.p. daily dosing of 50 mg/kg, whereupon significant reduction of hyperglycemia became apparent over several weeks. Then KIRA8 (50 mg/kg) is tested in the complex NOD. Showing target engagement, one week treatment of pre-diabetic NODs with KIRA8 leads to significant reductions in islet XBP1 splicing and TXNIP mRNAs, and preserved Ins1/Ins2, BiP and MANF mRNAs[1].
In Vitro:	KIRA8 blocks IRE1α oligomerization, and potently inhibits IRE1α RNase activity against XBP1 and Ins2 RNAs. KIRA8 more potently reduces IRE1α-driven apoptosis in INS-1 cells than KIRA6 and also reverses XBP1 splicing promoted by GNF-2[1].
References:	[1]. Morita S, et al. Targeting ABL-IRE1α Signaling Spares ER-Stressed Pancreatic β Cells to Reverse Autoimmune Diabetes. Cell Metab. 2017 Apr 4;25(4):883-897.e8.

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