Researchers have uncovered why a relatively new antibiotic for TB works against multidrug-resistant strains, potentially inspiring improved treatments and drug development strategies. The study,
published
in Nature Communications, found that deficiencies in a critical enzyme make TB bacteria that resist old antibiotics more vulnerable to the new antibiotic bedaquiline.
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Researchers revealed how the TB bacterium ‘breaks the rules’ of bacterial biology - it is the first single-celled organism ever observed to maintain a consistent growth rate throughout its life cycle. These findings,
published
in Nature Microbiology, overturn core beliefs of bacterial cell biology and hint at why the deadly pathogen so readily outmaneuvers the human immune system and antibiotics.
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A systematic review and meta-analysis by the Stool4TB partnership supported the use of the Xpert Ultra test on stool samples for diagnosing TB in children. The study results
were published
in The Lancet Microbe.
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A new World Health Organization (WHO) study published in
eBioMedicine
named 17 pathogens that regularly cause diseases in communities as top priorities for new vaccine development. Mycobacterium tuberculosis is one of five pathogens that appear on the top ten list of priorities for every region.
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Among people living with HIV in Denmark, TB risk remained at its highest level during the first six months after starting antiretroviral treatment, a study published in
Clinical Infectious Diseases
found. Although risk levels dropped thereafter, TB incidence and mortality remained elevated among people who inject drugs and those who immigrated from areas with high TB prevalence, with implications for TB screening and treatment.
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Researchers
have discovered
a protein complex that helps fight cancer cells also slows the growth of TB – a finding that could mean better treatments for both diseases. The protein complex, GID/CTLH, represents a newly discovered way human cells defend against bacterial infections.
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Using cryogenic electron microscopy and advanced biochemical techniques, researchers
have uncovered
a critical resistance mechanism used by mycobacteria to evade the antibiotic rifampicin — a drug commonly used to treat serious infections like TB and pneumonia.
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Scientists have discovered that TB disrupts glucose metabolism in the body. The findings, published in
PLOS Pathogens,
complement the understanding that diabetes worsens the symptoms of TB. Importantly, they now say, undiagnosed TB could be pushing vulnerable patients towards metabolic disease such as diabetes.
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Indian researchers
have created
a unique way to deliver TB medicines directly to the brain bypassing the challenging blood-brain barrier that limits the effectiveness of many brain TB medicines. This innovative drug delivery method can effectively treat brain TB — a life-threatening condition with high mortality rate.
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The International Union Against Tuberculosis and Lung Disease released the November 2024 issue of IJTLD OPEN – a fully-compliant, open access journal to enhance the coverage of TB and lung disease. IJTLD OPEN November 2024 issue can be accessed
here.
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The International Union Against Tuberculosis and Lung Disease released the October 2024 issue of IJTLD OPEN – a fully-compliant, open access journal to enhance the coverage of TB and lung disease. IJTLD OPEN October 2024 issue can be accessed
here.
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