Chemical Name: (4aR,5aR)-4,4a,5,5a-Tetrahydro-1H-cyclopropa[4,5]cyclopenta[1,2]pyrazole-3-carboxylic acid
Biological ActivityMK 1903 is a potent and selective hydroxycarboxylic acid receptor 2 (HCA2, GPR109A) full agonist; exhibits greater potency than niacin in a whole cell HTRF-cAMP assay (EC50 values are 12.9 and 51 nM respectively). Exhibits no binding at the GRP109B receptor.
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Tocris products are intended for laboratory research use only, unless stated otherwise.
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Niacin lipid efficacy is independent of both the niacin receptor GPR109A and free fatty acid suppression.
(1aR,5aR)1a,3,5,5a-Tetrahydro-1H-2,3-diaza-cyclopropa[α]pentalene-4-carboxylic acid (MK-1903): a potent GPR109a agonist that lowers free fatty acids in humans.
Citations for MK 1903
The citations listed below are publications that use Tocris products. Selected citations for MK 1903 include:
3 Citations: Showing 1 - 3
Potential role of the hydroxyl carboxylic acid receptor type 2 (HCAR2) in microglia pathophysiology: A possible cross-talk with C-X-C chemokine receptor 1 (CXCR1)
Authors: Perrone Et al.
Identification of the novel role of butyrate as AhR ligand in human intestinal epithelial cells
Authors: Marinelli Et al.
Butyrate Produced by Commensal Bacteria Down-Regulates Indolamine 2,3-Dioxygenase 1 (IDO-1) Expression via a Dual Mechanism in Human Intestinal Epithelial Cells.
Authors: Martin-Gallausiaux Et al.
Front Immunol 2019;9:2838
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