Synthesis and Anti-Liver Fibrosis Research of Aspartic Acid Derivatives
2024
Miao Lv | Simin Guo | Hexian Yang | Yongjian Wang | Yiming Li | Yang Li | Hong Yi | Hongwei He | Zhuorong Li
Liver fibrosis plays an important role in the progression of liver disease, but there is a severe shortage of direct and efficacious pharmaceutical clinical interventions. Literature research indicates that aspartic acid exhibits hepatoprotective properties. In this paper, 32 target compounds were designed and synthesized utilizing aspartic acid as the lead compound, of which 22 were new compounds not reported in the literature. These compounds were screened for their inhibitory effects on the COL1A1 promoter to assess in vitro anti-liver fibrosis activity and summarized structure&ndash:activity relationships. Four compounds exhibited superior potency with inhibition rates ranging from 66.72% to 97.44%, substantially higher than EGCG (36.46 ±: 4.64%) and L-Asp (11.33 ±: 0.35%). In an LPS-induced inflammation model of LX-2 cells, both 41 and 8a could inhibit the activation of LX-2 cells, reducing the expression of COL1A1, fibronectin, and &alpha:-SMA. Upon further investigation, 41 and 8a ameliorated liver fibrosis by inhibiting the IKK&beta:-NF-&kappa:B signaling pathway to alleviate inflammatory response. Overall, the study evaluated the anti-liver fibrosis effects of aspartic acid derivatives, identified the potency of 41, and conducted a preliminary exploration of mechanisms, laying the foundation for the discovery of novel anti-liver fibrosis agents.
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