The link between gut microbiota in hair loss

THE LATEST STUDY ON GUT MICROBIOTA IN HAIR LOSS

Learn About the Latest Study on Gut Microbiota and Hair Loss

Androgenetic alopecia (AGA) stands as the predominant form of androgen-associated hair loss. Previous research hints at a connection between gut microbiota and AGA. To deepen our understanding, we conducted a two-sample Mendelian randomization (MR) analysis probing the potential causal link between the two.

Methods

Utilizing a two-sample MR approach, we delved into the intricate relationship between gut microbiota and AGA. Data on 211 gut microbial taxa were gathered from the MiBioGen consortium. Summary statistics from genome-wide association studies (GWAS) for AGA, comprising 195 cases and 201,019 controls, were sourced from the FinnGen biobank. Multiple analytical methods, including Inverse Variance Weighting (IVW), Weighted Median, MR-Egger, Weighted Mode, and Simple Mode, were deployed to assess the causal impact of gut microbiota on AGA. Sensitivity analyses were then conducted to validate the robustness of our findings.

Results

Our two-sample MR investigation pinpointed the genus Olsenella, genus Ruminococcaceae UCG-004, and genus Ruminococcaceae UCG-010 as AGA risk factors. Conversely, the family Acidaminococcaceae, genus Anaerofilum, along with the genus Ruminiclostridium 9, exhibited a protective effect against AGA. Sensitivity analyses bolstered confidence in our study’s results, affirming their resilience to confounding variables and biases.

Conclusion

The MR study has solidified the connection between specific gut microbiota and AGA, providing insight into more precisely targeted probiotics. This breakthrough holds promise for enhancing AGA prevention, management, and reversal strategies.

View the full article from the National Library of Medicine on Roles of Gut Microbiota in Androgenetic Alopecia: Insights from Mendelian Randomized Analysis.


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