ArticleNature communications2025
The CTLH ubiquitin ligase substrates ZMYND19 and MKLN1 negatively regulate mTORC1 at the lysosomal membrane.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- The many faces of the GID/CTLH E3 ligase complex.Biochemical Society transactions · 2025Review
- RANBP9 and RANBP10 cooperate in regulating non-small cell lung cancer proliferation.Journal of experimental & clinical cancer research : CR · 2025Article
- An in vivo "turning model" reveals new RanBP9 interactions in lung macrophages.Cell death discovery · 2025Article
Corrections and comments
- Update of
Authors and funding
12 authors.
Funding
Abstract
Most Epstein-Barr virus-associated gastric carcinoma (EBVaGC) harbor non-silent mutations that activate phosphoinositide 3 kinase (PI3K) to drive downstream metabolic signaling. To gain insights into PI3K/mTOR pathway dysregulation in this context, we perform a human genome-wide CRISPR/Cas9 screen for hits that synergistically blocked EBVaGC proliferation together with the PI3K antagonist alpelisib. Multiple subunits of carboxy terminal to LisH (CTLH) E3 ligase, including the catalytic MAEA subunit, are among top screen hits. CTLH negatively regulates gluconeogenesis in yeast, but not in higher organisms. The CTLH substrates MKLN1 and ZMYND19, which highly accumulated upon MAEA knockout, associate with one another and with lysosome outer membranes to inhibit mTORC1. Rather than perturbing mTORC1 lysosomal recruitment, ZMYND19 and MKLN1 block the interaction between mTORC1 and Rheb and also with mTORC1 substrates S6 and 4E-BP1. Thus, CTLH enables cells to rapidly tune mTORC1 activity at the lysosomal membrane via the ubiquitin/proteasome pathway.
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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.