Abstract:
:Complement factor H‑related 3 (CFHR3) belongs to the human factor H protein family and is associated with various human diseases, including nephropathy, age‑related macular degeneration and atypical hemolytic uremic syndrome. However, to the best of our knowledge, the role of CFHR3 in hepatocellular carcinoma (HCC) remains largely unknown. In the present study, reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) and western blot analysis were performed to determine mRNA and protein expression levels of CFHR3 in HCC and normal adjacent tissue. In addition, CFHR3 was overexpressed in Huh‑7 cells and cell counting kit‑8 assay was used to determine cell viability. Cell proliferation and apoptosis were assessed using flow cytometry, RT‑qPCR and western blotting. The results demonstrated that mRNA (2‑ΔΔCq) and protein expression levels of CFHR3 were significantly lower in tumor tissue compared with in adjacent tissue. Additionally, CFHR3 overexpression decreased cell viability, inhibited cell proliferation and significantly increased apoptosis. It was also identified that CFHR3 could downregulate the expression of Ki67. The results suggested that CFHR3 induced apoptosis by downregulating the expression of survivin and B cell lymphoma 2, upregulating the expression of Bcl‑2‑associated X and promoting caspase‑3 activity. Western blotting revealed that CFHR3 significantly inhibited the protein expression levels of phosphorylated (p)‑phosphoinositide 3‑kinase (PI3K), p‑protein kinase B (Akt) and p‑mammalian target of rapamycin (mTOR). Overexpression of CFHR3 suppressed proliferation and promoted apoptosis of HCC cells by inhibiting the PI3K/Akt/mTOR signaling pathway.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Liu H,Zhang L,Wang Pdoi
10.3892/mmr.2019.10514subject
Has Abstractpub_date
2019-09-01 00:00:00pages
2694-2702issue
3eissn
1791-2997issn
1791-3004journal_volume
20pub_type
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