Proteomics

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Exceptional longevity of ovarian and oocyte macromolecules throughout the reproductive lifespan of mammals


ABSTRACT: The mechanisms contributing to age-related deterioration of the female reproductive system are complex but aberrant protein homeostasis is a major contributor. We elucidated the exceptionally stable proteins, structures, and macromolecules that persist in ovaries and gametes throughout the reproductive aging timeline in mammals. Ovaries exhibit localized structural and cell-type specific enrichment of stable macromolecules throughout both the follicular and extrafollicular environments. Moreover, both ovaries and oocytes harbor a panel of exceptionally long-lived proteins, including cytoskeletal components, mitochondrial, and oocyte-derived proteins. The exceptional persistence of these long-lived molecules might play a critical role in both lifelong maintenance and age-dependent deterioration of reproductive tissues.

INSTRUMENT(S): Orbitrap Fusion

ORGANISM(S): Mus Musculus (ncbitaxon:10090)

SUBMITTER: Jeffrey N. Savas, PhD  

PROVIDER: MSV000092217 | MassIVE | Tue Jun 20 06:40:00 BST 2023

REPOSITORIES: MassIVE

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