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An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
Published on: August 16, 2021
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T cells target TB.
Atul Pradhan1, Charles Kyriakos Vorkas1
1Division of Infectious Diseases, Department of Medicine, Renaissance School of Medicine, Stony Brook University, 101 Nicolls Road, HSC 15-060I, Stony Brook, NY 11794, USA; Center for Infectious Diseases, Department of Microbiology and Immunology, Stony Brook University, 101 Nicolls Road, HSC 15-060I, Stony Brook, NY 11794, USA.
Cell Host & Microbe
|March 9, 2023
Summary
Researchers identified specific T cells linked to controlling tuberculosis infection. This finding using single-cell T cell receptor sequencing may guide the development of new tuberculosis vaccines.
Area of Science:
- Immunology
- Infectious Diseases
- Genomics
Background:
- Tuberculosis (TB) remains a major global health challenge.
- Understanding the immune response to TB is crucial for vaccine development.
Purpose of the Study:
- To analyze T cell receptor (TCR) sequences in individuals at high risk for TB.
- To identify specific T cell populations associated with controlling primary TB infection.
Main Methods:
- Utilized single-cell T cell receptor (TCR) sequencing.
- Employed the grouping of lymphocyte interactions by paratope hotspots (GLIPH2) method.
- Analyzed a South African longitudinal cohort at high risk for tuberculosis.
Main Results:
- Identified peptide antigen-specific T cells.
- These T cells correlated with the control of primary TB infection.
- Revealed potential immune correlates of protection against TB.
Conclusions:
- Specific T cell responses are associated with controlling primary TB infection.
- Findings may inform the design of novel TB vaccines.
- Highlights the utility of TCR sequencing in understanding host-pathogen interactions.
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