Hypoxia-induced TRPM7 promotes glycolytic metabolism and progression in hepatocellular carcinoma
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View abstract on PubMed
Summary
This summary is machine-generated.Hypoxia-induced factor (HIF)-1α directly regulates TRPM7 in hepatocellular carcinoma (HCC). This regulation promotes cancer cell proliferation and metastasis by altering glucose metabolism, suggesting TRPM7 as a potential therapeutic target for HCC.
Area Of Science
- Oncology
- Molecular Biology
- Cancer Metabolism
Background
- Hypoxia is a key factor disrupting glucose metabolism in hepatocellular carcinoma (HCC).
- Transient receptor potential cation channel, subfamily M, member 7 (TRPM7) has a significant role in cancer development.
- The interplay between hypoxia-induced factor (HIF) and TRPM7 in HCC requires elucidation.
Purpose Of The Study
- To investigate the regulatory role of HIF in TRPM7 expression under hypoxic conditions in HCC.
- To elucidate the molecular mechanisms by which HIF-1α regulates TRPM7.
- To determine the impact of TRPM7 on glucose metabolism, proliferation, and metastasis in HCC.
Main Methods
- Hypoxia was induced in HCC cells; HIF-1α and TRPM7 levels were assessed via qPCR and Western blot.
- Chromatin immunoprecipitation (ChIP) and luciferase assays were used to study HIF-1α binding to the TRPM7 promoter.
- TRPM7's effect on glucose metabolism was analyzed using PCR arrays, and its role in proliferation and metastasis was evaluated in vitro and in vivo.
Main Results
- Hypoxia increased TRPM7 and HIF-1α levels in HCC cells, with HIF-1α directly binding to the TRPM7 promoter.
- Overexpression of TRPM7 under hypoxia led to the upregulation of several glycolytic metabolism-related enzymes.
- TRPM7 was found to promote HCC cell proliferation and metastasis in both in vitro and in vivo models.
Conclusions
- TRPM7 is directly transcriptionally regulated by HIF-1α, driving glycolytic metabolic reprogramming in HCC.
- This HIF-1α-TRPM7 axis promotes HCC proliferation and metastasis.
- TRPM7 presents a potential diagnostic marker and therapeutic target for hepatocellular carcinoma.
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