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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (03): 145-148. doi: 10.3877/cma.j.issn.1674-1358.2021.03.001

• Review •     Next Articles

Immune role of programmed death 1/programmed death-ligand pathway in Mycobacterium tuberculosis infection and prospects for host-directed therapy

Lifan Zhang1, Zhengrong Yang2, Xiaoqing Liu1,()   

  1. 1. Division of Infectious Diseases, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China; Clinical Epidemiology Unit, International Epidemiology Network, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing 100730, China; Centre for Tuberculosis Research, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
    2. Division of Infectious Diseases, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China
  • Received:2020-06-24 Online:2021-06-15 Published:2021-07-30
  • Contact: Xiaoqing Liu

Abstract:

The programmed death 1 (PD-1)/programmed death-ligand (PD-L) pathway had been a research hotspot in recent years, and its significant clinical benefit in patients with malignant tumors had provided new ideas for the treatment of patients with chronic infectious diseases. Cases of Mycobacteria tuberculosis (MTB) infection reactivity during PD-1 inhibitor treatment of malignant tumors have now been reported in the literature, which have shown a tendency to increase. Tuberculosis, a communicable disease caused by MTB, was a disease which cause the most number of deaths by a single pathogen. Latent MTB infection (LTBI) was pragmatically defined as infection with MTB. Latent tuberculosis infection could progress to active tuberculosis (ATB) under specific conditions. The epidemic situation of tuberculosis has brought severe challenges to the prevention and control of tuberculosis in China. This review discussed the immune role of PD-1/PD-L pathway in MTB infection and provides clues for in-depth understanding of MTB host immunity and exploring new tuberculosis host-directed therapy.

Key words: Programmed death 1/programmed death-ligand, Tuberculosis, Latent tuberculosis infection, T cell-mediated immunity, Host-directed therapy

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