{"id":121279,"date":"2019-06-04T03:40:17","date_gmt":"2019-06-04T03:40:17","guid":{"rendered":"https:\/\/www.bnreport.com\/gut-bacteria-may-change-the-way-many-drugs-work-in-the-body\/"},"modified":"2019-06-04T03:40:17","modified_gmt":"2019-06-04T03:40:17","slug":"gut-bacteria-may-change-the-way-many-drugs-work-in-the-body","status":"publish","type":"post","link":"https:\/\/www.bnreport.com\/en\/gut-bacteria-may-change-the-way-many-drugs-work-in-the-body\/","title":{"rendered":"Gut bacteria may change the way many drugs work in the body"},"content":{"rendered":"

Prescribing the best medication may require going with a patients gut \u2014 or at least, the bacteria that live there.<\/p>\n

Anecdotal reports have revealed that some gut-dwelling microbes chemically alter oral medications<\/a>, affecting how well those drugs work (SN Online: 7\/19\/13<\/em>). But the scope of this problem has remained unclear. Now, a sweeping survey of these interactions suggests that gut bacteria can modify many drugs<\/a> and that the genetic makeup of a patients microbiota may predict that persons response to medications, researchers report online June 3 in Nature<\/em>.<\/p>\n

\u201cKnowing how the gut microbes \u2026 affect a drug is hugely useful,\u201d says Matthew Redinbo, a biochemist at the University of North Carolina at Chapel Hill not involved in the work. An atlas of microbial effects on oral medications could help pharmaceutical companies develop more effective drugs and help doctors better tailor a patients treatment.<\/p>\n

Researchers tested the ability of 76 types of bacteria \u2014 selected to represent the microbial diversity of the human gut \u2014 to alter the molecular structure of 271 oral drugs, from hormones to antiviral medications. The bacteria were incubated with nutrients and drug solutions in test tubes for 12 hours. In that time, 176, or about two-thirds, of the 271 drugs were modified by at least one bacterial strain, and each strain modified 11 to 95 different drugs.<\/p>\n

\u201cThat is huge,\u201d says Nichole Klatt, a microbiome researcher at the University of Miami not involved in the work. But knowing which microbes affect which drugs isnt enough. Future studies could investigate exactly how bacteria chemically modify medications and the consequences inside the human body, she says.<\/p>\n

Maria Zimmermann-Kogadeeva, a computational biologist at Yale University, and her colleagues did show that the collective genetic makeup of an individuals gut microbiota may predict how that person will respond to a medication.<\/p>\n

The team first developed a technique to identify which part of a bacteriums DNA gives it the ability to modify a particular drug. This step involved chopping up DNA from a bacterium of interest and inserting individual snippets into E. coli<\/em> cells. Monitoring which E. coli<\/em> developed the ability to alter specific drugs exposed which DNA fragments were messing with those medications.<\/p>\n

Then, in a series of experiments with different medications, the researchers monitored the drug-modifying abilities of the entire microbial population in fecal samples from 28 people. In each experiment, all the microbial communities were exposed to the same drug. Afterward, the researchers searched the microbes in each stool sample for the drug-altering DNA snippets identified in the E. coli<\/em> test, as well as bits of DNA from other microbes that were at least 50 percent similar. Such similar DNA segments are thought to have similar functions.<\/p>\n

The amount of these similar-looking pieces of DNA in each fecal sample aligned with how much that microbial population modified a ceRead More \u2013 Source<\/strong><\/a>
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Prescribing the best medication may require going with a patients gut \u2014 or at least, the bacteria th..<\/p>\n","protected":false},"author":1,"featured_media":121280,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-121279","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science"],"yoast_head":"\nGut bacteria may change the way many drugs work in the body - Business News Report<\/title>\n<meta name=\"description\" content=\"Prescribing the best medication may require going with a patients gut \u2014 or at least, the bacteria th..\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bnreport.com\/en\/gut-bacteria-may-change-the-way-many-drugs-work-in-the-body\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gut bacteria may change the way many drugs work in the body - 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