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J Med Chem. 2016 Nov 23;59(22):10113-10126. Epub 2016 Nov 15.

An N,N-Bis(benzimidazolylpicolinoyl)piperazine (BT-11): A Novel Lanthionine Synthetase C-Like 2-Based Therapeutic for Inflammatory Bowel Disease.

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Biotherapeutics Inc. , 1800 Kraft Drive, Suite 200, Blacksburg, Virginia 24060, United States.
Georgetown University Medical Center , Washington, District of Columbia 20057, United States.


Lanthionine synthetase C-like 2 (LANCL2), a novel therapeutic target for inflammatory and autoimmune diseases and diabetes, exerts anti-inflammatory and insulin-sensitizing effects. This study reports the first LANCL2-based therapeutics for inflammatory bowel disease (IBD). Analogues of 1 (ABA) and 2 (NSC61610) were screened by molecular docking, then synthesized and analyzed for binding to LANCL2 by surface plasmon resonance. Piperazine-1,4-diylbis(6-benzo[d]imidazole-2-yl)pyridine-2-yl)methanone, 7, was identified as the lead LANCL2-binding compound for treating IBD. The oral treatment with 7 (8 mg/kg/d) in a mouse model of IBD resulted in lowering the disease activity index, decreasing colonic inflammatory lesions by 4-fold, and suppressing inflammatory markers (e.g., TNF-α, and interferon-γ) in the gut. Furthermore, studies in LANCL2-/- mice demonstrated that loss of LANCL2 abrogated beneficial actions of 7, suggesting high selectivity for the target. In conclusion, 7 merits continued development as a LANCL2-based, first-in-class orally active therapeutic for IBD.

[Indexed for MEDLINE]

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