期刊
JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
卷 25, 期 10, 页码 4814-4825出版社
WILEY
DOI: 10.1111/jcmm.16453
关键词
glycolysis; HYOU1; LDHB; papillary thyroid cancer
资金
- National Natural Science Foundation of China [81470584, 81902465, 82003100]
The study revealed that HYOU1 is highly expressed in papillary thyroid cancer (PTC) and is associated with poor prognosis. Silencing HYOU1 suppressed proliferation, migration, and invasion in PTC cells, promoting oxidative phosphorylation and inhibiting aerobic glycolysis. Mechanistically, HYOU1 silencing indirectly targeted LDHB mRNA and increased miR-375-3p levels, leading to a complex regulatory network in PTC cells.
HYOU1 is upregulated in many kinds of cancer cells, and its high expression is associated with tumour invasiveness and poor prognosis. However, the role of HYOU1 in papillary thyroid cancer (PTC) development and progression remains to be elucidated. Here, we reported that HYOU1 was highly expressed in human PTC and associated with poor prognosis. HYOU1 silencing suppressed the proliferation, migration and invasion of PTC cells. Mechanistic analyses showed that HYOU1 silencing promoted oxidative phosphorylation while inhibited aerobic glycolysis via downregulating LDHB at the posttranscriptional level. We further confirmed that the 3'UTR of LDHB mRNA is the indirect target of HYOU1 silencing and HYOU1 silencing increased miR-375-3p levels. While LDHB overexpression significantly suppressed the inhibitory effects of HYOU1 silencing on aerobic glycolysis, proliferation, migration and invasion in PTC cells. Taken together, our findings suggest that HYOU1 promotes glycolysis and malignant progression in PTC cells via upregulating LDHB expression, providing a potential target for developing novel anticancer agents.
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