In the past few decades , intellectual nourishment allergies have been increasingly and mysteriously on the hike . A possible explanation lie with our gut bacteria , which have been reshape by oursoap- and antibiotics - ladenlifestyles . Anew study in miceadds challenging grounds : one especial type of bacteriaprevents sensitivity to peanuts .
https://gizmodo.com/the-case-against-antibacterial-soap-1579577962
Several years ago , Catherine Nagler of the University of Chicago found that mouse whose bowel bacteria have been killed off are more susceptible to solid food allergies . By yield vernal mice antibiotics , she could in reality induce goober sensitiveness in the beast . So we can mess up up these mice , but can we fix them ?
Indeed , Nagler ’s fresh study in the diary PNAS name a individual class of bacteria that can prevent Arachis hypogaea sensitiveness in these mice . Clostridia are a vulgar and divers stratum of bacteria in the bowel . When Nagler ’s squad injected Clostridia into the mouths and stomachs of earthnut - sensitive mice , their sensibility went aside . A dissimilar type of bacteria called Bacteroides had no core .
Perhaps most captivating is how Clostridia stops peanut vine allergic reaction . It somehow coax cells in the intestinal lining of the mice to farm a molecule called interleukin-22 , which make the liner less permeable . That means fewer mote from the peanuts escape from the intestine into the blood to stimulate allergic reaction problems .
It ’s easy , still , to think of our catgut microbiome as something separate from us — the “ others ” that live inside but somehow aside from us . But as this study demonstrate , bacterial and human cells are in a complex dance together , and the line can begin to blur . [ PNASviaScience ]
Top image : RMIKKA / shutterstock
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