Single-worm quantitative proteomics reveals aging heterogeneity in isogenic Caenorhabditis elegans
文献类型: 外文期刊
作者: Zhu, Tian-Yi;Li, Shang-Tong;Liu, Dan-Dan;Zhang, Xiajun;Zhou, Lianqi;Zhou, Rong;Yang, Bing
作者机构:
关键词: aging;mass spectrometry;single worm proteomics
期刊名称: AGING CELL
ISSN: 1474-9718
年卷期: 2023 年
页码:
收录情况: SCIE(2023版)
摘要: The heterogeneity of aging has been investigated at cellular and organic levels in the mouse model and human, but the exploration of aging heterogeneity at whole-organism level is lacking. C. elegans is an ideal model organism for studying this question as they are self-fertilized and cultured in the same chamber. Despite the tremendous progress made in single-cell proteomic analysis, there is few single-worm proteomics studies about aging. Here, we apply single-worm quantitative mass spectrometry to quantify the heterogenous proteomic changes during aging across individuals, a total of 3524 proteins from 157 C. eleagns individuals were quantified. A reconstructed C. elegans aging trajectory and proteomic landscape of fast-aging individuals were used to analyze the heterogeneity of C. elegans aging. We characterized inter-individual proteomic variation during aging and revealed contributing factors that distinguish fast-aging individuals from their siblings.
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