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Review

MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review)

  • Authors:
    • Mingli Hu
    • Shixuan Zhu
    • Shengwei Xiong
    • Xingxing Xue
    • Xiaodong Zhou
  • View Affiliations / Copyright

    Affiliations: Department of Gastroenterology, First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
  • Pages: 1439-1454
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    Published online on: January 10, 2019
       https://doi.org/10.3892/or.2019.6962
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Abstract

Gastric carcinogenesis arises from complicated interactions among host, environmental and bacterial factors, which cause genetic and epigenetic dysregulation of oncogenic and tumor‑suppressive genes. MicroRNAs (miRNAs), a class of small non‑coding RNAs that post‑transcriptionally regulate ~30% human genes, may serve as oncogenes or tumor‑suppressors in malignancies, including gastric cancer (GC). Although miRNA dysregulation commonly exists in GC, exact roles miRNAs serve in the pathogenesis and promotion of this tumor remain undetermined. Recently, results of previous studies regarding mechanisms underlying miRNAs generally converged on pathways critical in cellular processes, including cell proliferation, apoptosis and invasion, among which phosphatase and tensin homolog (PTEN)/phosphatidylinositol 3‑kinase (PI3K)/protein kinase B (Akt) signaling is a fundamental one, with frequent oncogenic alterations in GC. Therefore, in the present review, the disorder and function of miRNAs and PTEN/PI3K/Akt signaling in GC are discussed. Additionally, how miRNAs transduce their effects by regulating this pathway, particularly in GC stem cells and the tumor microenvironment, and two novel hypotheses significant in carcinogenesis, tumor progression and recurrence, are discussed. Furthermore, the roles of miRNAs and the PTEN/PI3K/Akt pathway in target therapies against this lethal disease are outlined.
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Copy and paste a formatted citation
Spandidos Publications style
Hu M, Zhu S, Xiong S, Xue X and Zhou X: MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review). Oncol Rep 41: 1439-1454, 2019.
APA
Hu, M., Zhu, S., Xiong, S., Xue, X., & Zhou, X. (2019). MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review). Oncology Reports, 41, 1439-1454. https://doi.org/10.3892/or.2019.6962
MLA
Hu, M., Zhu, S., Xiong, S., Xue, X., Zhou, X."MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review)". Oncology Reports 41.3 (2019): 1439-1454.
Chicago
Hu, M., Zhu, S., Xiong, S., Xue, X., Zhou, X."MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review)". Oncology Reports 41, no. 3 (2019): 1439-1454. https://doi.org/10.3892/or.2019.6962
Copy and paste a formatted citation
x
Spandidos Publications style
Hu M, Zhu S, Xiong S, Xue X and Zhou X: MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review). Oncol Rep 41: 1439-1454, 2019.
APA
Hu, M., Zhu, S., Xiong, S., Xue, X., & Zhou, X. (2019). MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review). Oncology Reports, 41, 1439-1454. https://doi.org/10.3892/or.2019.6962
MLA
Hu, M., Zhu, S., Xiong, S., Xue, X., Zhou, X."MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review)". Oncology Reports 41.3 (2019): 1439-1454.
Chicago
Hu, M., Zhu, S., Xiong, S., Xue, X., Zhou, X."MicroRNAs and the PTEN/PI3K/Akt pathway in gastric cancer (Review)". Oncology Reports 41, no. 3 (2019): 1439-1454. https://doi.org/10.3892/or.2019.6962
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