High bacillary burden and the ESX-1 type VII secretion system promote MHC class I presentation by Mycobacterium tuberculosis infected macrophages to CD8 T-cells
D. Mott, J. Yang, C. Baer, K. Papavinasasundaram, C. M. Sassetti, S. M. Behar
The paper shows high Mtb burden in macrophages leads to cell death and cross-presentation of TB10.4 antigen to CD8 T-cells via the ESX-1 system, promoting immune response but potentially worsening immunopathology.
bioRxiv · Oct 20, 2022 · PreprintImmunology