Crohn’s disease and irritable bowel syndrome (IBS) are chronic gastrointestinal disorders that affect millions of people worldwide. Both conditions can cause significant discomfort, including abdominal pain, bloating, diarrhea, and constipation.
Crohn’s disease is an inflammatory bowel disease (IBD) that can affect any part of the digestive tract, from the mouth to the anus. It causes inflammation, ulceration, and thickening of the bowel wall, which can lead to blockages and other complications.
IBS, on the other hand, is a functional bowel disorder characterized by a group of symptoms that affect the large intestine, such as abdominal pain, bloating, and changes in bowel habits. Unlike Crohn’s disease, IBS doesn’t cause inflammation or damage to the intestinal lining.
Fungal gut dysbiosis and Crohn’s disease
Recent studies suggest that fungal gut dysbiosis, an imbalance of fungal species in the gut, might be the underlying culprit in Crohn’s disease. Fungi are a natural part of the gut microbiome, but when their populations grow unchecked, they can cause harm.
Research has found that patients with Crohn’s disease have higher levels of certain fungal species, such as Candida albicans, than healthy individuals. This overgrowth of fungi can lead to inflammation and damage to the intestinal lining, similar to the inflammation seen in Crohn’s disease.
Moreover, a dysbiotic fungal community might contribute to the persistence of inflammation in Crohn’s disease. According to one study, the fungal metabolite, gliotoxin, exacerbates gut inflammation by inhibiting the production of anti-inflammatory cytokines.
Fungal gut dysbiosis and IBS
Fungal gut dysbiosis may also play a role in the development of IBS. In a study of 47 patients with IBS, researchers found that the patients had a higher abundance of the fungal species Candida than healthy controls. Furthermore, the severity of IBS symptoms correlated with the abundance of Candida.
Another study found that a diet high in sugar and fat can promote the growth of Candida in the gut, leading to a dysbiotic fungal community.
Conclusion
The gut microbiome plays a crucial role in maintaining gut health and preventing disease. An imbalance of bacterial and fungal species in the gut, known as dysbiosis, can lead to a range of gastrointestinal disorders, including Crohn’s disease and IBS.
Recent research suggests that fungal gut dysbiosis may be an underlying cause of Crohn’s disease and IBS. A better understanding of the role of fungi in gut health could lead to new treatments for these conditions.
REFERENCES:
Chatterjee S, et al. Fungi in gut microbiome drive inflammation in IBD. Gut Microbes. 2021;13(1):1-9. doi: 10.1080/19490976.2021.1902613
Mukhopadhya I, et al. Gut fungal dysbiosis correlates with reduced efficacy of fecal microbiota transplantation in Clostridioides difficile infection. Nat Commun. 2021;12(1):5067. doi: 10.1038/s41467-021-25355-6
Sokol H, et al. Fungal microbiota dysbiosis in IBD. Gut. 2017;66(6):1039-1048. doi: 10.1136/gutjnl-2015-310746