Specific biological properties of tuberculosis hinder the development of highly effective vaccines
Biological properties of Mycobacterium tuberculosis, including complex immune evasion, intracellular persistence within macrophages, and cell wall remodeling, significantly hinder the development of highly effective vaccines.
Multiple recent reviews establish that Mycobacterium tuberculosis actively subverts host immunity, evades killing mechanisms, and reprograms host cell biology, which directly complicates and hampers the development of effective vaccines.
Agulló-Ros I, Moreno-Iruela I, Domínguez M, Gómez-Villamandos JC, Risalde MA. Immunopathogenesis of tuberculosis: cellular mechanisms and immune modulation.. 2025. https://doi.org/10.1186/s13567-025-01670-1
Paper 3 notes that M. tuberculosis evades immune killing and persists inside macrophages by forming granulomas, presenting major challenges for vaccine-induced immunity.
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Prasad GVRK, Philips JA. How <i>Mycobacterium tuberculosis</i> Subverts Innate and Adaptive Immunity and Their Crosstalk: Implications for Vaccine Design.. 2026. https://doi.org/10.3390/vaccines14050414
Paper 5 explains that efforts to develop effective vaccines are hindered by an incomplete understanding of protection correlates and the pathogen's sophisticated immune-evasion strategies.
Zhang S, Cheng J, Tang Y. Drug resistance mechanisms in <i>Mycobacterium tuberculosis i</i>nfection and challenges in vaccine development.. 2026. https://doi.org/10.3389/fphar.2026.1762214
Paper 8 highlights that Mtb's synergistic cell wall remodeling, metabolic reprogramming, and epigenetic regulation are directly linked to its immune evasion and the limited efficacy of existing vaccines.
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