Arsenic-Induced PML Degradation Requires TOPORS and RNF4

Posted: 2025-04-17 19:17:44 UTC

@Journal of Cell BiologyJCellBiol

#Arsenic

#PML

#TOPORS

#RNF4

#SUMO

#Ubiquitin

#E3ligases

#DundeeUniversity

#JCellBiol

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This article contains some claims that remain unverified. While much of the content may be accurate, exercise care when relying on this information.

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Last Updated

2025-04-17 19:18:02 UTC

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TL;DR;

Jaffray, Hay et al. characterized two common patient-derived PML mutants and found that efficient arsenic-induced PML degradation requires both TOPORS and RNF4 SUMO-targeted ubiquitin E3 ligases, revealing SUMO paralog-preferential activities of each.

Key Impact Areas

Characterization of PML mutants

Arsenic-induced PML degradation

Role of TOPORS and RNF4

SUMO paralog-preferential activities

Challenges

Understanding the mechanisms of PML degradation

Identifying the specific roles of E3 ligases in PML degradation

Determining the SUMO paralog preferences of TOPORS and RNF4

Arsenic-Induced PML Degradation Requires TOPORS and RNF4

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TL;DR;

Key Impact Areas

Challenges

Claims

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