NDLI: Expression levels of microRNA-375 in pancreatic cancer

Content Provider	PubMed Central
Author	Song, Shiduo Zhou, Jian He, Songbing Zhu, Dongming Zhang, Zixiang Zhao, Hua Wang, Yi Li, Dechun
Copyright Year	2013
Abstract	MicroRNAs (miRNAs) are small, non-coding RNAs of endogenous origin that have been increasingly shown to have altered expressions in various cancer types. The expression levels of miR-375 have not been comprehensively investigated in pancreatic cancer. In this study, total RNA was extracted from 44 pairs of pancreatic cancer tissues and non-tumor adjacent tissues, as well as from four pancreatic cancer cell lines, Panc-1, SW1990, BxpC3 and Patu8988. Following polyadenylation and reverse transcription, the expression levels of miR-375 were determined by real-time PCR and the difference in expression was calculated using the 2−ΔΔCt method. The correlation between the expression levels of miR-375 and clinicopathological characteristics of pancreatic cancer was also assessed. miR-375 expression was frequently downregulated in the pancreatic cancer tissues compared to their non-tumor counterparts (P<0.05; paired t-test). Moreover, a significantly low expression of miR-375 was found in the pancreatic cancer cell lines (Panc-1, P=0.016; SW1990, P=0.016; BxPC3, P=0.018; Patu8988, P=0.017; paired t-test). However, no significant correlations were observed between the low expression of miR-375 and parameters including gender, age, tumor size, tumor location and histological grade (P>0.05). The low expression of miR-375 was correlated with pT stage, lymph node metastases and pTNM stage (P<0.05) (non-parametric test; Mann-Whitney U test between 2 groups and Kruskal-Wallis H test for ≥3 groups). In conclusion, miR-375 is potentially involved in the carcinogenesis of pancreatic cancers and serves as is a potential biomarker for pancreatic cancer.
Related Links	http://dx.doi.org/10.3892/br.2013.88
Ending Page	398
Page Count	6
Starting Page	393
File Format	PDF
ISSN	20499434
e-ISSN	20499442
Journal	Biomedical Reports
Issue Number	3
Volume Number	1
Language	English
Publisher	D.A. Spandidos
Publisher Date	2013-03-01
Access Restriction	Open
Rights Holder	D.A. Spandidos
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Neuroscience Medicine Biochemistry, Genetics and Molecular Biology Pharmacology, Toxicology and Pharmaceutics

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