Indole-3-propionic acid promotes hepatic stellate cells inactivation.

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Tác giả: Shrey Gandhi, Mariana Ilha, Dorota Kaminska, Charlotte Ling, Ville Männistö, Johanna Matilainen, Päivi Pajukanta, Kirsi H Pietiläinen, Jussi Pihlajamäki, Eija Pirinen, Kirsi Rilla, Stefano Romeo, Ratika Sehgal, Maija Vaittinen, Kirsi A Virtanen

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: England : Journal of translational medicine , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 741660

 BACKGROUND & AIMS: We have previously reported that the serum levels of gut-derived tryptophan metabolite indole-3-propionic acid (IPA) are lower in individuals with liver fibrosis. Now, we explored the transcriptome and DNA methylome associated with serum IPA levels in human liver from obese individuals together with IPA effects on shifting the hepatic stellate cell (HSC) phenotype to inactivation in vitro. METHODS: A total of 116 obese individuals without type 2 diabetes (T2D) (age 46.8 ± 9.3 years
  BMI: 42.7 ± 5.0 kg/m RESULTS: Serum IPA levels were associated with the expression of liver genes enriched for apoptosis, mitophagy and longevity pathways in the liver. AKT serine/threonine kinase 1 (AKT1) was the shared and topmost interactive gene from the liver transcript and DNA methylation profile. IPA treatment induced apoptosis, reduced mitochondrial respiration as well as modified cell morphology, and mitochondrial dynamics by modulating the expression of genes known to regulate fibrosis, apoptosis, and survival in LX-2 cells. CONCLUSION: In conclusion, these data support that IPA has a plausible therapeutic effect and may induce apoptosis and the HSC phenotype towards the inactivation state, extending the possibilities to suppress hepatic fibrogenesis by interfering with HSC activation and mitochondrial metabolism.
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