RGD Reference Report - Low expression of ARID1A correlates with poor prognosis in intrahepatic cholangiocarcinoma. - Rat Genome Database

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Low expression of ARID1A correlates with poor prognosis in intrahepatic cholangiocarcinoma.

Authors: Yang, Song-Zhu  Wang, An-Qiang  Du, Juan  Wang, Jian-Tao  Yu, Wei-Wei  Liu, Qing  Wu, Yan-Fang  Chen, Shu-Guang 
Citation: Yang SZ, etal., World J Gastroenterol. 2016 Jul 7;22(25):5814-21. doi: 10.3748/wjg.v22.i25.5814.
RGD ID: 126775257
Pubmed: PMID:27433094   (View Abstract at PubMed)
PMCID: PMC4932216   (View Article at PubMed Central)
DOI: DOI:10.3748/wjg.v22.i25.5814   (Journal Full-text)


AIM: To investigate the relationship between ARID1A expression and clinicopathologic parameters, as well as its prognostic value, for patients with intrahepatic cholangiocarcinoma (IHCC).
METHODS: We assessed ARID1A protein and mRNA expression in IHCC tissues and paracarcinomatous (PC) tissues from 57 patients with IHCC using western blot and quantitative real-time reverse transcription polymerase chain reaction, respectively. We used Fisher's exact and χ(2) tests to analyze relationships between clinicopathological parameters and ARID1A expression. The Kaplan-Meier method and Cox regression were used to analyze survival.
RESULTS: The mean ARID1A protein level in IHCC tissues was 1.16 ± 0.36 relative units (RU), which was significantly lower than that in PC tissues (1.26 ± 0.21 RU, P < 0.01) and NL tissues (1.11 ± 0.31, P < 0.001). The mean ARID1A mRNA level in IHCC tissues (1.20 ± 0.18) was also lower than that in PC tissues (1.27 ± 0.15, P < 0.001) and normal liver tissues (1.15 ± 0.34, P < 0.001). Low ARID1A expression was significantly associated with tumor nodules, vein invasion, and recurrence. Median overall survival (OS) and disease-free survival (DFS) for the low ARID1A expression group was 15.0 and 7.0 mo, respectively, which were significantly shorter than those for the high ARID1A expression group at 25.0 and 22.0 mo (OS: P < 0.01; DFS: P < 0.001), respectively. Low ARID1A expression was significantly associated with worse OS (HR = 3.967, 95%CI: 1.299-12.118, P = 0.016) in multivariate analyses.
CONCLUSION: Low expression of ARID1A is associated with poor prognosis in patients with IHCC, and thus may be a potential prognostic biomarker candidate in IHCC.




  
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Original Reference(s)
ARID1AHumanintrahepatic cholangiocarcinoma disease_progressionIEP mRNA and protein:decreased expression:intrahepatic bile duct (human)RGD 
Arid1aRatintrahepatic cholangiocarcinoma disease_progressionISOARID1A (Homo sapiens)mRNA and protein:decreased expression:intrahepatic bile duct (human)RGD 
Arid1aMouseintrahepatic cholangiocarcinoma disease_progressionISOARID1A (Homo sapiens)mRNA and protein:decreased expression:intrahepatic bile duct (human)RGD 


Genes (Rattus norvegicus)
Arid1a  (AT-rich interaction domain 1A)

Genes (Mus musculus)
Arid1a  (AT-rich interaction domain 1A)

Genes (Homo sapiens)
ARID1A  (AT-rich interaction domain 1A)