RGD Reference Report - [Clinicopathological significance of microRNA-21 and miR-125 expression in colorectal cancer]. - Rat Genome Database

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[Clinicopathological significance of microRNA-21 and miR-125 expression in colorectal cancer].

Authors: Zhang, Yi  Zhou, Zong-guang  Wang, Ling  Zhang, Peng  Wang, Mo-jin  Cui, Chang-fu  Guan, Jian-ting  Chen, Ke-ling  Zhan, Lan 
Citation: Zhang Y, etal., Zhonghua Wei Chang Wai Ke Za Zhi. 2009 Nov;12(6):623-6.
RGD ID: 152995509
Pubmed: PMID:19921579   (View Abstract at PubMed)


OBJECTIVE: To investigate the expression of microRNA(miR)-21 and miR-125 in colorectal cancer (CRC) and its relationship with clinicopathological features.
METHODS: Quantitative real-time PCR was applied to examine the expression of miR-21 and miR-125 in 100 primary CRC specimens which were diagnosed and operated in West China Hospital between 2006 and 2007, in comparison with the corresponding normal mucosa specimens. The relationship between the expression of miRNAs and clinicopathological features was analyzed.
RESULTS: The expression of miR-21 in CRC was up-regulated by 2.3 times compared to normal mucosa (P =0.025), while the expression of miR-125 was down-regulated by 3.3 times in comparison with normal mucosa (P =0.005). Furthermore, the expression of miR-21 was related to TNM stage (P =0.028) and local invasion (P =0.023). On the other hand, no significant relationship was found between the expression of miR-125 and clinicopathological features (P >0.05).
CONCLUSION: The over-expression of miR-21 may play a role in the development and progression of CRC, while miR-125 may not be related to the pathogenesis of CRC.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
colorectal cancer disease_progressionIEP 152995509RNA:increased expression:colorectum (human)RGD 
colorectal cancer disease_progressionISOMIR21 (Homo sapiens)152995509; 152995509RNA:increased expression:colorectum (human)RGD 

Objects Annotated

Genes (Rattus norvegicus)
Mir21  (microRNA 21)

Genes (Mus musculus)
Mir21a  (microRNA 21a)

Genes (Homo sapiens)
MIR21  (microRNA 21)


Additional Information