Abstract
Colorectal cancer is one of the most common causes of cancer-related deaths worldwide. Eukaryotic translation initiation factor 3, subunit H (EIF3H) is a subunit of EIF3, which is involved in mRNA recruitment and ribosomal complex disassembly and is known to be a driver of cell proliferation and survival in cancer. To investigate its function in colorectal cancer, the Oncomine database was used to evaluate the expression of EIF3H in human colorectal cancer and normal tissues. Then, we constructed a Lentivirus shorthair EIF3H vector (Lv-shEIF3H) to silence EIF3H expression in the colorectal cancer cell lines HCT116 and SW1116. We observed impaired cell growth and colony formation in these silenced cell lines. In addition, we showed that EIF3H knock-down led to cell apoptosis. In conclusion, EIF3H plays key roles in the apoptosis in colorectal cancer cells, which suggests EIF3H as a potential diagnostic biomarker in colorectal cancer.
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