Long-term chemotherapy of C57BL/6 mice infected with epidemiologically important Mycobacterium tuberculosis strains and molecular insight into host-pathogen interplay.
2025Microbial pathogenesis
Vinogradova T, Zabolotnykh N, Dogonadze M, Dyakova M, Esmedlyaeva D +6 more
Plain English
This study looked at how effective new chemotherapy drugs are against different strains of drug-resistant tuberculosis (TB) bacteria in mice. The researchers found that while treatment helped reduce lung damage and inflammation overall, some strains caused more serious illness than others: the highly virulent Beijing 396 strain resulted in the most lung damage, while the less harmful Beijing 6691 and LAM 7074 strains were easier to treat. Interestingly, after nearly six months of treatment, the bacterial load in the lungs of most treated mice increased slightly, highlighting the challenges in fully clearing the infection.
Who this helps: This research assists doctors and researchers in developing better treatment strategies for patients with drug-resistant TB.