Causal relationship between gut microbiota and polycystic ovary syndrome: a literature review and Mendelian randomization study.
Front Endocrinol (Lausanne)
; 15: 1280983, 2024.
Article
en En
| MEDLINE
| ID: mdl-38362275
ABSTRACT
Introduction:
Numerous studies have suggested an association between gut microbiota and polycystic ovarian syndrome (PCOS). However, the causal relationship between these two factors remains unclear.Methods:
A review of observational studies was conducted to compare changes in gut microbiota between PCOS patients and controls. The analysis focused on four levels of classification, namely, phylum, family, genus, and species/genus subgroups. To further investigate the causal relationship, Mendelian randomization (MR) was employed using genome-wide association study (GWAS) data on gut microbiota from the MiBioGen consortium, as well as GWAS data from a large meta-analysis of PCOS. Additionally, a reverse MR was performed, and the results were verified through sensitivity analyses.Results:
The present review included 18 observational studies that met the inclusion and exclusion criteria. The abundance of 64 gut microbiota taxa significantly differed between PCOS patients and controls. Using the MR method, eight bacteria were identified as causally associated with PCOS. The protective effects of the genus Sellimonas on PCOS remained significant after applying Bonferroni correction. No significant heterogeneity or horizontal pleiotropy was found in the instrumental variables (IVs). Reverse MR analyses did not reveal a significant causal effect of PCOS on gut microbiota.Conclusion:
The differences in gut microbiota between PCOS patients and controls vary across observational studies. However, MR analyses identified specific gut microbiota taxa that are causally related to PCOS. Future studies should investigate the gut microbiota that showed significant results in the MR analyses, as well as the underlying mechanisms of this causal relationship and its potential clinical significance.Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Síndrome del Ovario Poliquístico
/
Microbioma Gastrointestinal
Tipo de estudio:
Clinical_trials
/
Observational_studies
/
Prognostic_studies
Límite:
Female
/
Humans
Idioma:
En
Revista:
Front Endocrinol (Lausanne)
Año:
2024
Tipo del documento:
Article
País de afiliación:
China