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After identifying that antibiotics prevented the formation of polyp, the scientists tried to feed the antibiotic-treated mice stool from their untreated counterparts to examine, if only bacteria may reverse the drug consequences.  Once ingesting the gut bacterium from the untreated mice, the once germ-free mice developed polyps. The researchers additionally transplanted early embryos of the transgenic mice into females of another, cancer-free mouse strain, Swiss Webster. During birth they are inoculated with the bacterium of their surrogate mothers, the mice which are transplanted didn't develop tumors until they reach twenty five weeks, while the genetically identical controls had tumors by twelve weeks. This showed that little changes within the gut microbiota could have a large influence on tumour growth. When the scientists examined the bowels of the animal, they identified that bacterium had invaded the connections between the epithelial cells and intestinal epithelial t

90% of TB infections are cleared by the body’s immune defenses or by taking anti-TB medication. In the remaining 10% of cases, TB persists as a dormant, non-replicating infection. Although latent TB infections don't cause symptoms, they can activate after years of activity. An calculable one-third of the world population has latent TB, that accounts for 1.7 million deaths per year—more than any other bacterial pathogen on the earth. During the first stages of the illness, active TB bacterium replicate within human macrophages and nerve fibre cells. however there's no proof these cells harbor dormant TB, and the location of the latent reservoir has remained a mystery. Finally, the investigators came to an endemic TB region—Arunachal Pradesh, India—to collect human bone marrow from 9 patients World Health Organization had contracted TB, however had been successfully treated with “DOTS”—a World Health Organization -endorsed, multistep medical care. CD271-positive BM-