Mendelian randomization and multi-omics approach analyses reveal impaired glucose metabolism and oxidative phosphorylation in visceral adipose tissue of women with polycystic ovary syndrome

Q: What is the clinical evidence from this study?

Study design: Observational. Population: Polycystic ovary syndrome (PCOS) (n=24). Intervention: Increased genetically predicted visceral adipose tissue (VAT) vs. Control subjects. Primary outcome: Causal relationship between genetically predicted VAT and PCOS, and metabolic changes in VAT.

Q: What does this research mean for the field?

Increased genetically predicted visceral adipose tissue is causally associated with polycystic ovary syndrome (PCOS), with visceral adipose tissue displaying inhibited glycolysis and activated mitochondrial oxidative phosphorylation independently of obesity. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Yurong Zhang; Xintong Jiang; Xueling Song; Jiajia Zhang; Weian Mao; Wei Chen; Shuai Yuan; Yijie Chen; Liangshan Mu; Yue Zhao

doi:10.1093/humrep/deae244

October 17, 2024Human Reproduction

Mendelian randomization and multi-omics approach analyses reveal impaired glucose metabolism and oxidative phosphorylation in visceral adipose tissue of women with polycystic ovary syndrome

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Key result

Genetically predicted VAT is linked to PCOS, characterized by inhibited glycolysis and activated oxidative phosphorylation.

n=24

Why the study?

The significance of visceral adipose tissue in the pathogenesis of polycystic ovary syndrome and its role in metabolic disorders remained unclear.

Study Design

Type

Observational (n=24)

Structured PICO

P

Population

24 women (16 with PCOS and 8 controls) undergoing laparoscopic surgery, combined with Mendelian randomization data from European cohorts, to assess the role of visceral adipose tissue in PCOS.

E

Exposure

Genetically predicted visceral adipose tissue (VAT) increase (for MR analysis)

C

Comparator

Control women without PCOS (for multi-omics analysis)

O

Outcome

Causal association between genetically predicted VAT and risk of PCOS; differentially expressed proteins and metabolites in VATsurrogate

Limitations

There may be an overlap in some exposure and outcome data, which might affect the results in the MR analysis.

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Implication

Increased visceral adipose tissue is causally linked to PCOS and is associated with impaired glucose metabolism and mitochondrial oxidative phosphorylation independent of obesity.

Abstract

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Discussion

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Cite This Study

Zhang et al. (2024) conducted an observational in Polycystic ovary syndrome (PCOS) (n=24). Increased genetically predicted visceral adipose tissue (VAT) vs. Control subjects was evaluated on Causal relationship between genetically predicted VAT and PCOS, and metabolic changes in VAT. Increased genetically predicted visceral adipose tissue was causally associated with PCOS, with VAT in PCOS patients exhibiting inhibited glycolysis and activated mitochondrial oxidative phosphorylation.

synapsesocial.com/papers/6aa8fb5d16a2a0577c6c01bb https://doi.org/10.1093/humrep/deae244

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Mendelian randomization and multi-omics approach analyses reveal impaired glucose metabolism and oxidative phosphorylation in visceral adipose tissue of women with polycystic ovary syndrome

Study Design

Structured PICO

Limitations

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Mendelian randomization and multi-omics approach analyses reveal impaired glucose metabolism and oxidative phosphorylation in visceral adipose tissue of women with polycystic ovary syndrome

Study Design

Structured PICO

Limitations

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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