Research Links Crohn’s Disease to Body Fat Distribution

Study Overview

New research conducted by the University of Limerick and University Hospital Limerick in Ireland has investigated the relationship between Crohn’s disease and body fat distribution in individuals. The findings indicate that Irish adults with a history of Crohn’s disease tend to store fat more on their hips and thighs rather than around their abdomen.

Unexpected Findings

Researchers were surprised by these results. It is well-established that mesenteric fat, a type of structural fat surrounding the intestines, plays a role in supporting and protecting the gut. Previous studies suggested that individuals with Crohn’s disease would have increased levels of visceral fat, which is typically stored in the abdominal area. This visceral fat was thought to contribute to changes in mesenteric fat, potentially leading to inflammation.

However, the study revealed that Crohn’s patients had less visceral fat than the general population. This suggests that individuals with Crohn’s disease are more likely to have a pear-shaped body rather than an apple shape at the same BMI. This finding is significant as it implies that the accumulation of “creeping fat” associated with Crohn’s disease may not be a result of excessive visceral fat stores but could play a crucial role in the pathology of inflammatory bowel disease (IBD).

Understanding Crohn’s Disease

Crohn’s disease is a chronic inflammatory condition that can affect various parts of the digestive tract. The exact cause of this disease remains unclear, although several factors contribute to its development.

Study Methodology

The body composition of 30 patients (13 males and 17 females aged between 20 and 73) was assessed through dual-energy X-ray absorptiometry (DEXA). This method measures fat, lean body mass, and bone density. Participants were categorized based on their disease state, either in remission or relapse. Additionally, dietary records were maintained, and physical activity was monitored.

Key Findings on Fat Distribution

Regardless of their disease state, participants with Crohn’s disease displayed distinct fat distribution patterns compared to a large representative sample of healthy individuals. Specifically, they exhibited increased gynoid fat (fat around the hips and thighs) and decreased android fat (fat around the waist). No significant differences were observed between patients in relapse or remission, but a notable disparity in regional adiposity was evident when compared to the general population.

The study suggests that individuals with Crohn’s disease preferentially store fat in their hips and upper thighs rather than their abdomen, indicating a potential connection between regional adiposity and Crohn’s as a non-alcoholic fatty intestine condition. The researchers also noted that the body composition of Crohn’s patients is complex and influenced by various factors including disease duration, stage, and treatment medications that affect body composition and fat mass.

Future Research Directions

Despite the small sample size, the researchers believe that the connection between Crohn’s disease and fatty intestinal tissue warrants further investigation. Additional large-scale studies are necessary to explore this association more comprehensively.

Reference

Dowling, L., Jakeman, P., Norton, C. et al. Adults with Crohn’s disease exhibit elevated gynoid fat and reduced android fat irrespective of disease relapse or remission. Sci Rep 11, 19258 (2021). https://doi.org/10.1038/s41598-021-98798-9

Related Topics

– Crohn’s Disease
– Treatment for Crohn’s Disease
– Discovery of Promising Crohn’s Disease Treatment
– The Role of Macrophages in the Treatment of Crohn’s Disease
– Is Early Combined Immunosuppression Safe for Older Patients with Crohn’s Disease?