MutY DNA Glycosylase Protects Cells From Tumor Necrosis Factor Alpha-Induced Necroptosis

An Hue Vy Tran, Se Hee Han, Joon Kim, Francesca Grasso, In-San Kim, Ye Sun Han

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Numerous studies have implied that mutY DNA glycosylase (MYH) is involved in the repair of post-replicative mispairs and plays a critical role in the base excision repair pathway. Recent in vitro studies have shown that MYH interacts with tumor necrosis factor receptor type 1-associated death domain (TRADD), a key effector protein of tumor necrosis factor receptor-1 (TNFR1) signaling. The association between MYH and TRADD is reversed during tumor necrosis factor alpha (TNF-α)- and camptothecin (CPT)-induced apoptosis, and enhanced during TNF-α-induced survival. After investigating the role of MYH interacts with various proteins following TNF-α stimulation, here, we focus on MYH and TRADD interaction functions in necroptosis and its effects to related proteins. We report that the level of the MYH and TRADD complex was also reduced during necroptosis induced by TNF-α and zVAD-fmk. In particular, we also found that MYH is a biologically important necrosis suppressor. Under combined TNF-α and zVAD-fmk treatment, MYH-deficient cells were induced to enter the necroptosis pathway but primary mouse embryonic fibroblasts (MEFs) were not. Necroptosis in the absence of MYH proceeds via the inactivation of caspase-8, followed by an increase in the formation of the kinase receptor- interacting protein 1 (RIP1)-RIP3 complex. Our results suggested that MYH, which interacts with TRADD, inhibits TNF-α necroptotic signaling. Therefore, MYH inactivation is essential for necroptosis via the downregulation of caspase-8. J. Cell. Biochem. 118: 1827–1838, 2017.

Original languageEnglish
Pages (from-to)1827-1838
Number of pages12
JournalJournal of Cellular Biochemistry
Volume118
Issue number7
DOIs
Publication statusPublished - 2017 Jul 1

Fingerprint

DNA Glycosylases
Tumor Necrosis Factor-alpha
Caspase 8
Repair
Receptor-Interacting Protein Serine-Threonine Kinases
Receptors, Tumor Necrosis Factor, Type I
Camptothecin
Proteins
Tumor Necrosis Factor Receptors
Fibroblasts
DNA Repair
mutY adenine glycosylase
Necrosis
Phosphotransferases
Down-Regulation
Apoptosis

Keywords

  • mutY DNA GLYCOSYLASE (MYH)
  • NECROPTOSIS
  • TUMOR NECROSIS FACTOR ALPHA (TNF-α)
  • TUMOR NECROSIS FACTOR RECEPTOR TYPE 1-ASSOCIATED DEATH DOMAIN (TRADD)

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

MutY DNA Glycosylase Protects Cells From Tumor Necrosis Factor Alpha-Induced Necroptosis. / Tran, An Hue Vy; Han, Se Hee; Kim, Joon; Grasso, Francesca; Kim, In-San; Han, Ye Sun.

In: Journal of Cellular Biochemistry, Vol. 118, No. 7, 01.07.2017, p. 1827-1838.

Research output: Contribution to journalArticle

Tran, An Hue Vy ; Han, Se Hee ; Kim, Joon ; Grasso, Francesca ; Kim, In-San ; Han, Ye Sun. / MutY DNA Glycosylase Protects Cells From Tumor Necrosis Factor Alpha-Induced Necroptosis. In: Journal of Cellular Biochemistry. 2017 ; Vol. 118, No. 7. pp. 1827-1838.
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abstract = "Numerous studies have implied that mutY DNA glycosylase (MYH) is involved in the repair of post-replicative mispairs and plays a critical role in the base excision repair pathway. Recent in vitro studies have shown that MYH interacts with tumor necrosis factor receptor type 1-associated death domain (TRADD), a key effector protein of tumor necrosis factor receptor-1 (TNFR1) signaling. The association between MYH and TRADD is reversed during tumor necrosis factor alpha (TNF-α)- and camptothecin (CPT)-induced apoptosis, and enhanced during TNF-α-induced survival. After investigating the role of MYH interacts with various proteins following TNF-α stimulation, here, we focus on MYH and TRADD interaction functions in necroptosis and its effects to related proteins. We report that the level of the MYH and TRADD complex was also reduced during necroptosis induced by TNF-α and zVAD-fmk. In particular, we also found that MYH is a biologically important necrosis suppressor. Under combined TNF-α and zVAD-fmk treatment, MYH-deficient cells were induced to enter the necroptosis pathway but primary mouse embryonic fibroblasts (MEFs) were not. Necroptosis in the absence of MYH proceeds via the inactivation of caspase-8, followed by an increase in the formation of the kinase receptor- interacting protein 1 (RIP1)-RIP3 complex. Our results suggested that MYH, which interacts with TRADD, inhibits TNF-α necroptotic signaling. Therefore, MYH inactivation is essential for necroptosis via the downregulation of caspase-8. J. Cell. Biochem. 118: 1827–1838, 2017.",
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AU - Han, Ye Sun

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