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- W4313244536 endingPage "24" @default.
- W4313244536 startingPage "24" @default.
- W4313244536 abstract "The intracellular pathogen, Mycobacterium tuberculosis (M. tb) uses various mechanisms to evade its killing. One of such is phagosomal damage and cytosolic translocation which is then targeted by the host’s bactericidal autophagy pathway. It is suggested that cytosolic translocation of M. tb is time-dependent, occurring at later time points of 48 to 72 h post-infection. It is, however, not known whether increased autophagic targeting correlates with these time points of infection. We investigated the time-dependent profile of autophagy activity through the course of M. tb infection in mammalian macrophages. Autophagy activity was inferred by the turnover measurement of autophagy markers and M. tb bacilli in THP-1 and RAW 264.7 macrophages. Over a period of 4 to 72 h, we observed highest autophagy turnover at 48 h of infection in M. tb-containing cells. This was evident by the highest turnover levels of p62 and intracellular M. tb. This supports observations of phagosomal damage mostly occurring at this time point and reveal the correlation of increased autophagy activity. The findings support the preservation of autophagy activity despite M. tb infection while also highlighting time-dependent differences in M. tb-infected macrophages. Future studies may explore time-dependent exogenous autophagy targeting towards host-directed anti-tuberculosis therapy." @default.
- W4313244536 created "2023-01-06" @default.
- W4313244536 creator A5016004292 @default.
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- W4313244536 creator A5057077784 @default.
- W4313244536 creator A5071633144 @default.
- W4313244536 creator A5074521174 @default.
- W4313244536 date "2022-12-23" @default.
- W4313244536 modified "2023-09-27" @default.
- W4313244536 title "Measurement of Autophagy Activity Reveals Time-Dependent, Bacteria-Specific Turnover during Mycobacterium tuberculosis Infection" @default.
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- W4313244536 doi "https://doi.org/10.3390/pathogens12010024" @default.
- W4313244536 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36678372" @default.
- W4313244536 hasPublicationYear "2022" @default.
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