Cited by 3Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsProtease and Inhibitor Mechanisms

Inhibition of the metalloprotease ADAM19 as a novel senomorphic strategy to ameliorate gut permeability and senescence markers by modulating senescence-associated secretory phenotype (SASP)

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Bar, Sudipta, Hilsabeck, Tyler A.U., Pattavina, Blaine, López-Domínguez, José Alberto, Basisty, Nathan, Bons, Joanna, Watson, Mark, Schilling, Birgit +3 more·2025·Aging

Published version of a preprint

Abstract

Accumulation of DNA damage can accelerate aging through cellular senescence. Previously, we established a Drosophila model to investigate the effects of radiation-induced DNA damage on the intestine. In this model, we examined irradiation-responsive senescence in the fly intestine. Through an unbiased genome-wide association study (GWAS) utilizing 156 strains from the Drosophila Genetic Reference Panel (DGRP), we identified meltrin β (the drosophila orthologue of mammalian ADAM19) as a potential modulator of the senescence-associated secretory phenotype (SASP). Knockdown of meltrin β resulted in reduced gut permeability, DNA damage, and expression of the senescence marker β-galactosidase (SA-β-gal) in the fly gut following irradiation. Additionally, inhibition of ADAM19 in mice using batimastat-94 reduced gut permeability and inflammation in the gut. Our findings extend to human primary fibroblasts, where ADAM19 knockdown or pharmacological inhibition decreased expression of specific SASP factors and SA-β-gal. Furthermore, proteomics analysis of the secretory factor of senescent cells revealed a significant decrease in SASP factors associated with the ADAM19 cleavage site. These data suggest that ADAM19 inhibition could represent a novel senomorphic strategy.

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Authors
Bar, S., Hilsabeck, T. A. U., Pattavina, B., López-Domínguez, J. A., Basisty, N., Bons, J., Watson, M., Schilling, B., Campisi, J., Kapahi, P., & Sharma, A.
Affiliations
  • Buck Institute for Research on Aging (US)
  • Buck Institute for Research on Aging, Novato, CA 94945, USA
  • National Institutes of Health (US)
Corresponding author
Sharma, Amit
Venue
Aging
Published
2025-03-20
Volume
17
Issue
3
Pages
757-777
ISSN
1945-4589 (ISSN-L)
OpenAlex
W4408658383
Cited by
3
References
78
Citations by year
2026: 3
FWCI
1.93
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Aging (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, cc-by)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion, cc-by)
Funders
  • Larry L. Hillblom Foundation (2019-A-026-FEL)
  • SENS Research Foundation
  • Buck Institute for Research on Aging
  • National Institutes of Health (1s10od016281-01)
  • National Institute on Aging (R01AG038688, R21AG054121, R01AG045835, U01AG060906, P01AG017242)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Protease and Inhibitor Mechanisms
Keywords
ADAM19, metalloprotease inhibition, senescence, intestinal permeability, senescence-associated secretory phenotype, intestinal barrier
MeSH terms
Senescence-Associated Secretory Phenotype, Aging, Animals, DNA Damage, Humans, Permeability, Cellular Senescence, Drosophila Proteins, Mice, ADAM Proteins, Genome-Wide Association Study

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