In case you missed it, aspart of our myth busting series, we have been dispelling a common myth related totuberculosis every week on #TBThursdays sinceJune on our Twitter account.
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The largest catalogue of tuberculosis (TB) mutations has been developed by the WHO in collaboration with Imperial College. The
catalogue for theMycobacterium tuberculosis (Mtb) genome lists more than 17,000 mutations and will help medics and health services around the world to interpret genome sequencing results and treat patients more quickly and using appropriate drug regimens. Additionally, the accompanying WHO report summarizes the analysis of over 38,000 isolates with matched data on whole genome sequencing and phenotypic drug susceptibility testing from over 40 countries for 13 anti-TB medicines. It also lists the mutations, their frequency and association with or not with resistance and includes methods used, mutations identified and summaries of important findings for each drug. To learn more or to download the catalogue and report, please use the following link:
For more news, please also take a look at our top 3 picks for August in this newsletter, where we highlight novel research findings and news around the prevention and treatment of tuberculosis around the world.
Every month, we at the Mueller Health Foundation like to show case interesting news and updates in the field of tuberculosis. Below are our top 3 picks for August:
1.Targeting TB with a One-Two Punch
Scientists report that a novel technique that analyzes how individual immune cells react to the bacteria that cause tuberculosis (TB) could pave the way for new vaccine strategies against this deadly disease, and provide insights into fighting other infectious diseases around the world. The approach was developed in the lab of David Russell,PhD, the William Kaplan Professor of Infection Biology in Cornell’s department of microbiology and immunology in the College ofVeterinary Medicine, and detailed in a new collaborative research paper published in the Journal of Experimental Medicine.
You can access the full article at:
2.Scientists Develop New Method of Diagnosing TB from Skin
A team of scientists, including those from the University of CapeTown (UCT), have developed a new diagnostic methodology enabling a non-invasive, fast and highly accurate way of detecting tuberculosis (TB). The new diagnostic pathway called A‑Patch includes nano sensors, which detect TB compounds emitted from the skin. A specifically designed sensor array translates these findings into a point‑of‑care diagnosis by discriminating between active pulmonary TB patients and controls with sensitivity above90% and 70% specificity. Read the full article here:
This month, we would like tohighlight some interesting factsrelated to tuberculosis and gender.
3.First 3-D View of TB Granulomas Alters Paradigm of TheirShape and Formation
For 70 years, clinicians thought they knew the shape of tuberculosis granulomas in the lungs of patients. Histology showed round features, and researchers intuitively assumed that meant the granulomas were spherical or ovoid. That long-lived paradigm is now shown to be wrong, in a study by researchers at the University of Alabama at Birmingham and the Africa Health ResearchInstitute, or AHRI, Durban, KwaZulu-Natal, South Africa. The new research has created a three-dimensional view of diseased lung tissue from tuberculosis patients, using micro-computed tomography, or microCT. This revealed that the larger granulomas were anything but round — rather they had complex, branched shapes. One granuloma looked somewhat like a ginger root, another like a cluster of early buds on a cherry tree, before the blossoms appear. To learn more, read the full paper here:
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