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Journal of Gastrointestinal Cancer

, Volume 50, Issue 1, pp 78–83 | Cite as

Disregulation of miR-216a and miR-217 in Gastric Cancer and Their Clinical Significance

  • Reza Safaralizadeh
  • Naser Ajami
  • Masoumeh NematiEmail author
  • Mohammadali Hosseinpourfeizi
  • Arash Azimzadeh Isfanjani
  • Seyed-Yaghob Moaddab
Original Research
  • 53 Downloads

Abstract

Objective

The majority of gastric cancer (GC) diagnoses occur at the middle or late stage of the disease, indicating that finding novel biomarkers that could be detectable at earlier stage is urgently needed. Accumulating studies have shown that microRNAs, a class of tiny single-stranded RNAs, play important roles in multiple biological processes including cancer development. The present study aimed to evaluate the effect of miR-216a and miR-217 in GC.

Material and Methods

The real-time quantitative reverse-transcription PCR was exploited to identify and compare the expression levels of miR-216a and miR-217 in 37 pairs of samples of gastric cancer tissue and adjacent normal tissue. Superimposed on this, the potential relationship between miR-216a/217 levels and clinicopathological parameters in patients suffering GC was explored.

Results

The results obtained from this study showed that the miR-216a is significantly upregulated in gastric cancer tissues, compared with adjacent normal tissues, but the altered expression of miR-217 was not significant. For miR-216a/217, no significant correlations were detected between expression levels of these miRNAs and clinical and pathological characteristics of patients.

Conclusion

This prospective study proposes that upregulation of miR-216a might represent an important mechanism for the development of gastric cancer.

Keywords

miR-216a miR-217 Gastric cancer Expression analysis qPCR 

Notes

Acknowledgements

We express our gratitude to the patients and the staff within the Endoscopy Department of Tabriz Emam Reza and Sina Hospitals and the faculty and staff at Department of Biology of the Tabriz University for their helpful collaborations.

Funding Information

This work was supported by grants from the Department of Biology, Faculty of Natural Sciences, Tabriz University.

Compliance with Ethical Standards

Conflict of Interest

The authors declare no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Reza Safaralizadeh
    • 1
  • Naser Ajami
    • 2
  • Masoumeh Nemati
    • 1
    Email author
  • Mohammadali Hosseinpourfeizi
    • 1
  • Arash Azimzadeh Isfanjani
    • 1
  • Seyed-Yaghob Moaddab
    • 3
  1. 1.Department of Biology, Faculty of Natural SciencesUniversity of TabrizTabrizIran
  2. 2.Department of Medical Genetics, School of MedicineMashhad University of Medical SciencesMashhadIran
  3. 3.Liver and Gastroenterology Diseases Research CenterTabriz University of Medical SciencesTabrizIran

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