Abstract
Insufficient residual liver tissue after partial hepatectomy (PH) may lead to serious complications such as hepatic failure and small-for-size syndrome. Salidroside (SAL) is obtained from Rhodiola rosea through modernized separation and extraction and has been validated for treating various liver diseases. It's yet unknown, nevertheless, how SAL affects liver regeneration after PH. This study aimed to determine whether SAL could promote liver regeneration after PH in mice. We demonstrated that SAL could attenuate liver injury after PH and promote hepatocyte proliferation and liver mass recovery. Mechanistically, SAL inhibited the NOD-like receptor pyrin domain containing 3 (NLRP3) inflammasome, attenuating pyroptosis. RNA-seq analysis indicated that SAL downregulated the transcription of NLRP3 and GSDMD genes and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis revealed that the NOD-like receptor signaling pathway was significantly enriched in down-regulated signaling pathways. Notably, SAL in combination with the NLRP3 inhibitor MCC950 did not further inhibit NLRP3 inflammasome and promote liver mass recovery. In summary, our findings proved that SAL could be a potential agent for improving liver function and promoting liver regeneration after PH.
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