期刊
AGING-US
卷 13, 期 8, 页码 11096-11119出版社
IMPACT JOURNALS LLC
DOI: 10.18632/aging.202765
关键词
inter-?-trypsin inhibitor heavy chain (ITIH) gene family; gene expression; pan-cancer; prognosis; liver hepatocellular carcinoma
The study comprehensively analyzed the expression patterns and clinical significance of ITIHs in various cancers, showing primarily down-regulated expression. ITIH1 was found to be significantly decreased in liver hepatocellular carcinoma (LIHC) and its down-regulation adversely impacted patient outcome, possibly involving cellular metabolic processes. The findings established ITIH1 as a potential diagnostic and prognostic biomarker for LIHC.
Although a previous pan-cancer study has reported the expression patterns of ITIHs in various tumors, their analyses have been restricted to limited cancer types. We thus comprehensively analyzed the expression profiles and clinical significances of ITIHs in a broader spectrum of cancers from TCGA. Our results showed that ITIHs were primarily down-regulated in tested cancers. The ITIH members were associated with either survival advantage or disadvantage, depending on the cancer type tested and the genes queried. Importantly, we for the first time demonstrated that ITIH1 had substantially decreased expression in liver hepatocellular carcinoma (LIHC) compared with corresponding normal tissue, and its down-regulation adversely impacted patient outcome. Moreover, ITIH1 expression was consistently declining during the progression of LIHC. Further analysis revealed that ITIH1 may be involved in cellular metabolic processes. Our findings established ITIH1 as a potential diagnostic and prognostic biomarker for LIHC, which awaits future experimental validation.
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