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New Study in Differences in Gut Bacteria will soon result in a Database that can distinguish IBD from IBS
Source: University of Groningen Jan 01, 2019 5 years, 10 months, 1 week, 6 days, 1 hour, 53 minutes ago
A team of researchers with members from the Netherlands and the U.S. has found differences in the numbers of gut microbes for patients with inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS). In their paper published in the journal Science Translational Medicine the group describes how they sequenced the genome of gut microbes in patients with bowel problems and what they found.
In the past several years, medical researchers have made progress in better understanding bowel diseases that cause distress for patients. One of the things they have discovered is that the root cause of such diseases as colitis or Crohn's disease (both types of IBD) could be tied to the gut microbiome. Imbalances in microbe populations have been found to be either the cause or an effect associated with certain diseases of the bowel. But until now, no one has done a serious comparison of the bowel microbe populations of people with IBD, IBS and people without a gut disease.
To find out what differences might exist in the gut biome of people with bowel diseases, the researchers collected stool samples from 355 patients with IBD, 412 samples from patients with IBS and 1,025 samples from people with no known gastrointestinal problems. They then performed metagenomic sequencing on the samples to find out which microbes were in the samples and how many of them there were.
The researchers report that they could see differences in populations of different microbes between the two diseases and in people in the control group. In some cases, there were more of some types of bacteria, and in other cases, there were fewer. They also found that there was some overlap between the two broad classes of gut disease. And they further noted that IBD and IBS patients both had more of a certain protein in their gut that has previously been associated with inflammation, a very common occurrence for people with gut ailments.
The researchers also built a model to distinguish between IBD and IBS in patients, but acknowledge that more work is required before it can be used as a diagnostic tool.
Reference: Arnau Vich Vila et al. Gut microbiota composition and functional changes in inflammatory bowel disease and irritable bowel syndrome, Science Translational Medicine (2018). DOI: 10.1126/scitranslmed.aap8914