New Insights into the LANCL2-ABA Binding Mode towards the Evaluation of New LANCL Agonists

脱落酸 背景(考古学) 神经保护 化学 兴奋剂 生物化学 药理学 细胞生物学 生物 受体 古生物学 基因
作者
Naomi Scarano,Francesco Di Palma,Nicola Origlia,Francesca Musumeci,Silvia Schenone,Sonia Spinelli,Mario Passalacqua,Elena Zocchi,Laura Sturla,Elena Cichero,Andrea Cavalli
出处
期刊:Pharmaceutics [Multidisciplinary Digital Publishing Institute]
卷期号:15 (12): 2754-2754 被引量:3
标识
DOI:10.3390/pharmaceutics15122754
摘要

The lanthionine synthetase C-like (LANCL) proteins include LANCL2, which is expressed in the central nervous system (CNS) and in peripheral tissues. LANCL2 exhibits glutathionylation activity and is involved in the neutralization of reactive electrophiles. Several studies explored LANCL2 activation as a validated pharmacological target for diabetes and inflammatory bowel disease. In this context, LANCL2 was found to bind the natural product abscisic acid (ABA), whose pre-clinical effectiveness in different inflammatory diseases was reported in the literature. More recently, LANCL2 attracted more attention as a valuable resource in the field of neurodegenerative disorders. ABA was found to regulate neuro-inflammation and synaptic plasticity to enhance learning and memory, exhibiting promising neuroprotective effects. Up until now, a limited number of LANCL2 ligands are known; among them, BT-11 is the only compound patented and investigated for its anti-inflammatory properties. To guide the design of novel putative LANCL2 agonists, a computational study including molecular docking and long molecular dynamic (MD) simulations of both ABA and BT-11 was carried out. The results pointed out the main LANCL2 ligand chemical features towards the following virtual screening of a novel putative LANCL2 agonist (AR-42). Biochemical assays on rat H9c2 cardiomyocytes showed a similar, LANCL2-mediated stimulation by BT-11 and by AR-42 of the mitochondrial proton gradient and of the transcriptional activation of the AMPK/PGC-1α/Sirt1 axis, the master regulator of mitochondrial function, effects that are previously observed with ABA. These results may allow the development of LANCL2 agonists for the treatment of mitochondrial dysfunction, a common feature of chronic and degenerative diseases.
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