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find Keyword "competitive endogenous RNA" 1 results
  • Research progress of long non-coding RNA as competitive endogenous RNA and its targeting technology in pancreatic cancer

    ObjectiveTo summarize the latest research of long non-coding RNA (lncRNA) as competitive endogenous RNA (ceRNA) and its targeting technology in pancreatic cancer, so as to provide new ideas for lncRNA targeted intervention or as an early diagnostic marker of pancreatic cancer. MethodThe domestic and foreign literature on researches of lncRNA as ceRNA and its targeting technology in the pancreatic cancer was searched and reviewed. ResultsAt present, the growing number of evidences showed that in pathological states such as tumors, the abundance of intracellular lncRNAs was sufficient to trigger ceRNA crosstalk. The lncRNA played a role like “sponge” through the complementary binding of incomplete base of miRNA with miRNA response elements, then adsorbed miRNA, and thus changed the activity and effectiveness of miRNA. It also regulated the expression of downstream target genes. Moreover, a large number of studies had identified that the lncRNA-mediated ceRNA regulatory network, namely lncRNA/miRNA/mRNA axis, played a role in promoting or inhibiting the occurrence and progression of pancreatic cancer through a variety of cellular functions. In addition, many technologies targeting lncRNA, such as small interfering RNA, antisense oligonucleotides, clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9, and small molecule inhibitors, etc. had been widely studied and acquired important results in preclinical research. ConclusionsThe ceRNA hypothesis is a functional complex composed by non-coding RNAs and mRNAs with non-coding properties, forming a ceRNA network of multi-level and cross-regulatory on the transcriptome. Epigenetic modification and key post-transcriptional regulation of lncRNA have been achieved through ceRNA network mechanism, which has become a successful paradigm for exploring the function of lncRNA. The tumor suppressive and promoting effects and mechanisms of many lncRNAs in the occurrence and development of pancreatic cancer are explored in many studies. Moreover, the continuous progress of targeted lncRNA technology provides conditions for study of lncRNA. LncRNA has a potential to be used as a biomarker for precancerous diagnosis and prognosis of pancreatic cancer.

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