Proteomics

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A Proteomic Atlas of Senescence-Associated Secretomes for Aging Biomarker Development-2


ABSTRACT: The senescence-associated secretory phenotype (SASP) has recently emerged as both a driver of -- and promising therapeutic target for -- a multitude of chronic age-related conditions, ranging from neurodegeneration to cancer. The complexity of the SASP, typically monitored by the secretion of a few proteins, has been greatly underappreciated, and a small set of factors cannot explain the diverse phenotypes it produces in vivo. Here, we present SASP Atlas, a comprehensive proteomic database of SASPs driven by multiple inducers of senescence in different human cell types. While there are common elements among all the SASPs we have documented so far, we discovered distinct senescence inducer- and cell type-specific secretory proteins. In all cases, the SASPs are comprised of hundreds of unique proteins secreted as both soluble proteins (sSASP) and exosomes (eSASP) with distinct and novel protein profiles. This resource will aid in identifying the proteins that drive senescence-associated phenotypes and provide comprehensive catalogs of potential senescence biomarkers that can be used to assess the burden and the originating stimuli and type of senescent cells in vivo.

INSTRUMENT(S): TripleTOF 5600, TripleTOF 6600

ORGANISM(S): Homo Sapiens (ncbitaxon:9606)

SUBMITTER: Birgit Schilling  

PROVIDER: MSV000083750 | MassIVE | Mon May 06 13:34:00 BST 2019

SECONDARY ACCESSION(S): PXD013721

REPOSITORIES: MassIVE

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