TRAIP regulates Histone H2B monoubiquitination in DNA damage response pathways

  • Authors:
    • Ye Gi Han
    • Miyong Yun
    • Minji Choi
    • Seok‑Geun Lee
    • Hongtae Kim
  • View Affiliations

  • Published online on: April 2, 2019     https://doi.org/10.3892/or.2019.7092
  • Pages: 3305-3312
Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

Histone H2B monoubiquitination has been shown to play critical roles in diverse cellular processes including DNA damage response. Although recent data indicate that H2B monoubiquitination is strongly connected with tumor progression and regulation, the implications of this modification in lung adenocarcinoma are relatively unknown. In the present study, we demonstrated the clinical implication of H2B monoubiquitination and the potential role of tumor necrosis factor receptor‑associated factor‑interacting protein (TRAIP) in regulating its modification in lung adenocarcinoma. Immunohistochemical analysis showed that H2B monoubiquitination was significantly downregulated in 68 human lung adenocarcinoma patient samples compared to their normal adjacent tissues. Depletion of TRAIP by specific siRNA treatment markedly decreased ionizing radiation (IR)‑induced H2B monoubiquitination. In addition, deletion mutants without RING domain or C‑terminus of TRAIP diminished the ability to induce H2B monoubiquitination at lysine 120. Notably, the nuclear expression of TRAIP was positively related with H2B monoubiquitination levels in patients with lung adenocarcinoma. Furthermore, statistical analysis indicated that low levels of both TRAIP and H2B monoubiquitination, not each alone, in patients with lung adenocarcinoma were strongly correlated with poor survival. Taken together, these results suggest that TRAIP is a novel regulator of H2B monoubiquitination in DNA damage response and cancer development in lung adenocarcinoma.
View Figures
View References

Related Articles

Journal Cover

June-2019
Volume 41 Issue 6

Print ISSN: 1021-335X
Online ISSN:1791-2431

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Han YG, Yun M, Choi M, Lee SG and Kim H: TRAIP regulates Histone H2B monoubiquitination in DNA damage response pathways. Oncol Rep 41: 3305-3312, 2019.
APA
Han, Y.G., Yun, M., Choi, M., Lee, S., & Kim, H. (2019). TRAIP regulates Histone H2B monoubiquitination in DNA damage response pathways. Oncology Reports, 41, 3305-3312. https://doi.org/10.3892/or.2019.7092
MLA
Han, Y. G., Yun, M., Choi, M., Lee, S., Kim, H."TRAIP regulates Histone H2B monoubiquitination in DNA damage response pathways". Oncology Reports 41.6 (2019): 3305-3312.
Chicago
Han, Y. G., Yun, M., Choi, M., Lee, S., Kim, H."TRAIP regulates Histone H2B monoubiquitination in DNA damage response pathways". Oncology Reports 41, no. 6 (2019): 3305-3312. https://doi.org/10.3892/or.2019.7092