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Message: [QUOTE="greenmedinfo, post: 2210"] PMID: Phytomedicine. 2022 Jan ;94:153823. Epub 2021 Oct 25. PMID: 34763315 Abstract Title: Baicalin suppresses the progression of Type 2 diabetes-induced liver tumor through regulating METTL3/mA/HKDC1 axis and downstream p-JAK2/STAT1/clevaged Capase3 pathway. Abstract: BACKGROUND: Epidemiological and clinical evidence suggests that diabetes increases the risk of liver cancer. Although the co-occurrence of type 2 diabetes (T2D) and liver cancer is becoming more frequent, the underlying mechanisms remain unclear. Even though baicalin, extensively used in traditional Chinese medicine (TCM), can control T2D and inhibit liver cancer separately, minimal research is available regarding its possible effect on T2D-induced liver cancer. Thus, in the present study, we aimed to investigate the role of baicalin in T2D-induced hepatocellular cancer, and for the first time, we particularly emphasized the regulation of baicalin in genes RNA mA in hepatocellular cancer.METHODS: Here, we constructed a cell culture model under a high concentration of glucose and a T2D-induced liver tumor model to evaluate the in vitro and in vivo role of baicalin in T2D-induced liver cancer progression. After confirming the suppressive effect of baicalin and the HKDC1 antibody on T2D-induced liver tumors, the epigenetic alterations (DNA 5mC and RNA mA) of the baicalin-regulated HKDC1 gene were detected using MS and q-PCR. Next, the METTL3 gene-regulated mA (2854 site) was investigated using SELECT PCR. Finally, the impact of the other three baicalin analogs (baicalein, wogonoside, and wogonin) on tumor inhibition was tested in vivo while verifying the related RNA mA mechanism.RESULTS: The results showed that baicalin and the HKDC1 antibody suppressed T2D-induced liver tumor progression in vitro and in vivo. Furthermore, baicalin significantly inhibited the epigenetic modification (DNA 5mC and RNA mA) of HKDC1 in HepG2 tumors, mainly targeting the RNA mA site (2854). The mA-related gene, METTL3, regulated the RNA mA site (2854) of HKDC1, which was also restricted by baicalin. Moreover, the study verified that baicalin regulated the METTL3/HKDC1/JAK2/STAT1/caspase-3 pathway in liver cancer cells when exposed to a high glucose concentration. In addition, the three baicalin analogs were proven to regulate the mA (2854 site) of HKDC1 and suppress T2D-induced liver tumors.CONCLUSIONS: The findings of this study revealed that baicalin suppressed T2D-induced liver tumor progression by regulating the METTL3/mA/HKDC1 axis, which might support its potential application for preventing and treating T2D-induced liver cancer. [URL='https://www.greenmedinfo.com/article/baicalin-suppresses-progression-type-2-diabetes-induced-liver-tumor']read more[/URL] [/QUOTE]

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