4.7 Article

Disparate Effects of Metformin on Mycobacterium tuberculosis Infection in Diabetic and Nondiabetic Mice

Journal

ANTIMICROBIAL AGENTS AND CHEMOTHERAPY
Volume 65, Issue 1, Pages -

Publisher

AMER SOC MICROBIOLOGY
DOI: 10.1128/AAC.01422-20

Keywords

tuberculosis; diabetes; metformin; host-directed

Funding

  1. National Health and Medical Research Council (NHMRC) through a CJ Martin Biomedical Early Career Fellowship [APP1052764, APP1140709, APP1120808]
  2. Australian Institute of Tropical Health and Medicine (AITHM) Capacity Building Grant [15031]
  3. AITHM scholarship

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There is a difference in the efficacy of MET against tuberculosis in diabetic and nondiabetic individuals, which warrants further investigation.
Comorbid type 2 diabetes poses a great challenge to the global control of tuberculosis. Here, we assessed the efficacy of metformin (MET), an antidiabetic drug, in mice infected with a very low dose of Mycobacterium tuberculosis. In contrast to diabetic mice, infected nondiabetic mice that received the same therapeutic concentration of MET presented with significantly higher disease burden. This warrants further studies to investigate the disparate efficacy of MET against tuberculosis in diabetic and nondiabetic individuals.

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