4.6 Article

PKMYT1, exacerbating the progression of clear cell renal cell carcinoma, is implied as a biomarker for the diagnosis and prognosis

Journal

AGING-US
Volume 13, Issue 24, Pages 25778-25798

Publisher

IMPACT JOURNALS LLC

Keywords

renal cell carcinoma; PKMYT1; EMT; prognosis; diagnosis

Funding

  1. Natural Science Foundation of Chongqing Science and Technology Bureau [cstc2021jcyj-msxm0317]
  2. National Natural Science Foundation of China [82030065, 81902584]
  3. Scientific Research Foundation of the Institute for Translational Medicine of Anhui Province [2017ZHYX02]
  4. Key project of Natural Science Research project of Anhui Province [KJ2019A0280]

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PKMYT1 expression is closely associated with the pathological features of ccRCC and may participate in the tumorigenesis and progression of ccRCC by affecting cell cycle-related pathways and the EMT process. Knockdown of PKMYT1 in vitro can reduce the growth, migration, and invasion ability of RCC cells, promote cell apoptosis, and prevent the occurrence of the EMT phenotype.
Clear cell renal cell carcinoma (ccRCC) is one of the most lethal urological malignancies with high tumor heterogeneity, and reliable biomarkers are still needed for its diagnosis and prognosis. WEE family kinases function as key regulators of the G2/M transition, have essential roles in maintaining cellular genomic stability and have the potential to be promising therapeutic targets in various tumors. However, the roles of WEE family kinases in ccRCC remain undetermined. In the present study, we first explored multiple public datasets and found that PKMYT1 was up-regulated in both RCC tumors and cell lines. Expression levels of PKMYT1 were highly associated with pathological stage and grade. Kaplan-Meier curves showed that high PKMYT1 expression was associated with lower overall survival and disease-free survival. Receiver operating characteristic curves revealed that the expression of PKMYT1 could better distinguish ccRCC from normal samples. Functional enrichment analysis demonstrated that cell cycle-related pathways and epithelial to mesenchymal transition (EMT) might be potential mechanisms of PKMYT1 in ccRCC tumorigenesis. Moreover, knockdown of PKMYT1 in vitro attenuated the proliferation, migration and invasion of RCC cell lines, promoted cell apoptosis and prevented the EMT phenotype in vitro. In conclusion, our study demonstrated that PKMYT1 has the potential to act as a diagnostic and prognostic biomarker for RCC patients. Targeting PKMYT1 may be considered as a new potential therapeutic method and direction in RCCs.

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