Proteomics

Dataset Information

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Finding the LC3-interactors in senescent human A549 cells during influenza A virus infection


ABSTRACT: To screen age-related regulators of mitophagy, we examined LC3-interacting proteins by proximity-dependent biotin identification. LC3B was cloned into a mammalian expression vector tagged with a mitochondrial OMM-targeted APEX2 (mito-APEX) label for proximity-based identification of LC3-interacting proteins localized or trafficked to mitochondria during influenza virus infection. Senescent A549 cells, transfected with the mito-APEX-tagged LC3 plasmid for 18 hours, revealed mitochondrial localization of LC3. Following 18 hpi and biotin affinity capture, biotinylated proteins were purified and analyzed by mass spectrometry to identify LC3-interacting proteins.

INSTRUMENT(S):

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Epithelial Cell, Cell Culture

DISEASE(S): Influenza

SUBMITTER: Zhimin Jiang  

LAB HEAD: Zhimin Jiang

PROVIDER: PXD057110 | Pride | 2025-09-29

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
F003456.fasta Fasta
F003456.mgf Mgf
F003456.mzid.gz Mzid
F003456.xml Xml
H1___data_20231123_F003456_dat_rf_reportbuilder.xml Xml
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Publications

ApoD mediates age-associated increase in vulnerability to influenza virus infection.

Jiang Zhimin Z   Pan Wenliang W   Chen Yu Y   Zhou Dongliang D   Ren Shuning S   Tong Qi Q   Liu Litao L   Sun Honglei H   Sun Yipeng Y   Bi Yuhai Y   Wang Dayan D   Lu Lu L   Pu Juan J   Chang Kin-Chow KC   Liu Jinhua J  

Proceedings of the National Academy of Sciences of the United States of America 20250911 37


Influenza A virus (IAV) infection causes significantly greater morbidity and mortality in the elderly population, but the molecular mechanisms in the aging process responsible for severe infection remain unclear. In this study, we found that increased severity in IAV infection and reduced innate immune response correlated with extensive mitophagy in senescent human cells and in the lung of aged mice. Apolipoprotein D (ApoD) was identified as strongly elevated in the lungs and sera of aged human  ...[more]

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