ArticleAutophagy2022
A dominant-negative regulatory mechanism of SQSTM1 droplets-based autophagy.
Article in Autophagy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 10 citations in OpenAlex.
- Mechanisms Underlying Altitude-Induced and Group 3 Pulmonary Hypertension.International journal of molecular sciences · 2026Review
- A Mechanism Study on the Antioxidant Pathway of Keap1-Nrf2- ARE Inhibiting Ferroptosis in Dopaminergic Neurons.Current molecular medicine · 2025Article
- Melatonin alleviates palmitic acid-induced mitochondrial dysfunction by reducing oxidative stress and enhancing autophagy in bovine endometrial epithelial cells.Journal of animal science and biotechnology · 2024Article
- Identification of potential ferroptosis hub genes in acute-on-chronic liver failure based on bioinformatics analysis and experimental verification.BMC medical genomics · 2023Article
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4 authors at 1 institution in 1 country.
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Abstract
SQSTM1/p62 is an autophagy receptor, forming droplets to sequester intracellular polyubiquitinated cargo and mediate its delivery for autophagic clearance. SQSTM1 droplets can function as platforms to allow the formation of autophagosomes at their surfaces. It would be interesting to understand how SQSTM1-droplet formation is regulated. We have shown that inflammatory toxicity induces SQSTM1 cleavage by CASP6 at a novel cleavage site, D256. The C-terminal cleavage product is unlikely to be functional, because it is hardly detectable, possibly due to its rapid turnover. The SQSTM1 N-terminal cleavage product (SQSTM1-N) exerts a dominant-negative effect on SQSTM1-droplet production, in turn attenuating SQSTM1 droplets-based autophagosome formation. Our study suggests that the CASP6-SQSTM1 axis negatively regulates SQSTM1 droplets-based autophagy under certain stress conditions.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.