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Identification and differential expression of microRNA in response to elevated phospholipase Cγ expression in liver RH 35 carcinoma cells

X. Chen, X. Zhu, Zh. Wei, Q. Lv

 




Our study has primarily shown the positive effect of PLCγ2 on liver tumor cell proliferation, but the molecular basis for its function remains elusive. miRNAs have been widely accepted as important modulators of various cellular activities. This study attempts to characterize the global influence of PLCγ2 on miRNA expressions in liver cancer RH35 cells. Firstly, the recombinant adenovirus AdPLCγ2 was infected into the cells. Highthroughput sequencing technology was applied to measure miRNA expressions in PLCγ2overexpressing cells. Moreover, the target genes and signaling pathways modulated by PLCγ2specifc miRNAs were identified using target prediction program, GO annotation and KEGG analysis. As a result, totally 246 known and 1075 novel candidate miRNAs were identified, among which 34 known and 191 novel miRNAs exhibited ≥ 2fold changes in the AdPLCγ2infected cells. Correspondingly, 6985 target genes of above 225 differentlyexpressed miRNAs were predicted, mainly involved in Hippo signaling, Wnt signaling etc., and responsible for tumor development, cell proliferation, apoptosis, migration, lipid metabolism and so on. In aggregate, PLCγ2 induces the significant alterations in miRNA expression, thus providing mechanistic insights into tumorgenesis mediated by PLCγ2, and maybe offers some clues on identifying potential candidates for controlling liver cancer cell growth.

Key words: Phospholipase Cγ2, liver carcinoma, highthroughput sequencing, microRNA expression, target prediction

Tsitologiya i Genetika 2020, vol. 54, no. 6, pp. 65-67

  • Animal Science and Technology School, Henan University of Science and Technology, 263# Kaiyuan Avenue, Luoyang 471023, China

E-mail: cxgtzr2012 163.com

X. Chen, X. Zhu, Zh. Wei, Q. Lv Identification and differential expression of microRNA in response to elevated phospholipase Cγ expression in liver RH 35 carcinoma cells, Tsitol Genet., 2020, vol. 54, no. 6, pp. 65-67.

In "Cytology and Genetics":
Xiaoguang Chen, Xuemin Zhu, Zhiguo Wei & Qiongxia Lv Identification and Differential Expression of microRNA in Response to Elevated Phospholipase Cγ Expression in Liver RH 35 Carcinoma Cells, Cytol Genet., 2020, vol. 54, no. 6, pp. 555565
DOI: 10.3103/S009545272006002X


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