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Overexpression and Clinicopathological Correlation of Long Noncoding RNA TMPO-AS1 in Colorectal Cancer Patients

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Abstract

Purpose

Long noncoding RNA (lncRNA) has been identified as an important modulator of gene expression and other activities of the cells. This kind of genes also has a significant role in the growth and development of human cancers, including colorectal cancer (CRC). Among lncRNAs, thymopoietin (TMPO)-antisense RNA 1 (TMPO-AS1) is of particular significance and might have a role in CRC regulation. The current study aimed to determine the involvement of TMPO-AS1 in CRC patients.

Methods

In this study, 50 pairs of tumor and tumor marginal samples of CRC patients were investigated to assess the expression level of TMPO-AS1 in this cancer. For this purpose, the total RNA was isolated from the tissues using the TRIzol RNA extraction method, and after synthesis of the complementary DNA, the TMPO-AS1 expression was measured by quantitative real-time PCR (qRT-PCR) technique. In addition, clinicopathological characteristics of the CRC patients were analyzed in the study groups.

Results

The findings demonstrated the overexpression of TMPO-AS1 in CRC tissues. Interestingly, the expression level of TMPO-AS1 was significantly correlated with clinicopathological features of the patients such as lymph node and distant metastasis.

Conclusion

The overexpression of TMPO-AS1 gene in CRC suggests that this lncRNA and its underlying signaling pathways can be considered a prognostic tumor marker and may pave the way for the future development of novel therapeutic options for CRC.

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Data Availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Acknowledgments

The authors would like to thank the Immunology Research Center, Tabriz University of Medical Sciences, for providing facilities to carry out this work.

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Authors and Affiliations

Authors

Contributions

HM, BB, DS, MA, and SH performed the experiments. BB provided biological materials and reagents. HM and KH wrote the article. HM, DS, MA, and KH performed data analysis. BB and RS participated in the design of the work. RS supervised the study.

Corresponding author

Correspondence to Reza Safaralizadeh.

Ethics declarations

Written informed consent was obtained from all participants for their tissues to be utilized in this research. The study was approved by the ethical committee of Tabriz University of Medical Sciences, Tabriz, Iran.

Conflict of Interest

The authors declare that they have no conflict of interest.

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Mohammadrezakhani, H., Baradaran, B., Shanehbandi, D. et al. Overexpression and Clinicopathological Correlation of Long Noncoding RNA TMPO-AS1 in Colorectal Cancer Patients. J Gastrointest Canc 51, 952–956 (2020). https://doi.org/10.1007/s12029-019-00333-7

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  • DOI: https://doi.org/10.1007/s12029-019-00333-7

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