ArticleCell biochemistry and biophysics2024
Effect and Mechanism of Mycobacterium avium MAV-5183 on Apoptosis of Mouse Ana-1 Macrophages.
Article in Cell biochemistry and biophysics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Cell death pathways in response toInfection and immunity · 2025Review
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
To investigate the effects and mechanisms of Mycobacterium avium MAV-5183 protein on apoptosis in mouse Ana-1 macrophages. A pET-21a-MAV-5183 recombinant plasmid was constructed. The recombinant MAV-5183 protein was cloned, expressed, purified, and identified using an anti-His-tagged antibody. Rabbits were immunized to obtain antiserum, and its potency and immunoreactivity were assessed through WB. Mouse Ana-1 macrophages were incubated with varying concentrations of MAV-5183 protein. Flow cytometry, following ANNEXIN V-FITC/PI double staining, detected apoptosis. Western Blot analysis was conducted to identify apoptosis-related molecules Caspase-9/8/3 and vesicle-related molecules ASC, NLRP3, and Cleaved-casp1. ELISA measured TNF-α and IL-6 levels in the culture supernatant. LDH activity and ROS levels were analyzed separately. RT-qPCR measured mRNA levels of Caspase-9/8/3, ASC, NLRP3, Caspase-1, IL-1β, Bax, MAPK-p38, Bcl-2, TNF-α, and IL-6. MAV-5183 protein was successfully cloned, purified, and identified. In in vitro studies on Ana-1 macrophages, MAV-5183 protein increased the expression of Caspase-9/8/3, ASC, NLRP3 (P < 0.01), induced ROS secretion (P < 0.05), and promoted inflammatory cytokine secretion (TNF-α, IL-6, P < 0.0001); however, it did not significantly affect LDH (P > 0.05). MAV-5183 also induced apoptosis in Ana-1 macrophages (P < 0.05). RT-qPCR results indicated a significant increase in mRNA expression of Caspase-9/8/3, ASC, NLRP3, TNF-α, IL-6, MAPK-p38, and pro-apoptotic factor Bax (P < 0.01), with no significant effect on Bcl-2 and IL-1β mRNA (P > 0.05). The data indicate that MAV-5183 induces macrophage apoptosis through a caspase-dependent pathway and promotes inflammatory cytokine secretion via ROS.
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