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http://purl.uniprot.org/citations/33638245http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/33638245http://www.w3.org/2000/01/rdf-schema#comment"

Problem

Polycystic ovary syndrome (PCOS) is a common hormonal disorder that has a huge impact on the human infertility. Increased levels of various circulating inflammatory cytokines have been observed in PCOS patients, which can contribute to the pathogenesis of PCOS. Monocyte chemoattractant protein-1 (MCP-1), a secretory chemokine, is a potent chemotactic factor that recruits monocytes/macrophages to inflammatory foci. Several previous studies comparing the circulating MCP-1 levels between non-PCOS and PCOS patients have yielded contradictory results. Therefore, the aim of this meta-analysis was to investigate whether circulating MCP-1 levels vary between non-PCOS and PCOS patients.

Methods

Research articles published before November 11, 2020, were screened to identify eligible studies. Heterogeneity, sensitivity, and publication bias were analyzed using STATA software. Standardized mean difference (SMD) with a 95% confidence interval (CI) was calculated by the STATA software using a random-effects model.

Results

11 studies were included in this meta-analysis involving 897 individuals: 368 non-PCOS patient and 529 PCOS patients. Our pooled meta-analysis results show that circulating MCP-1 levels were significantly higher in PCOS patients than in non-PCOS patients (SMD = 0.84, 95% CI = [0.37, 1.31], Z = 3.50, p < 0.01). However, due to the limited number of studies included in this meta-analysis, subgroup analysis determined that circulating MCP-1 levels were not significantly varied between obese non-PCOS and obese PCOS patients (SMD = 0.42, 95% CI = [-0.65, 1.49], Z = 0.77, p = 0.442) as well as between non-PCOS and PCOS patients without obesity (SMD = 2.04, 95% CI = [-0.84, 4.93], Z = 1.39, p = 0.166). In addition, circulating MCP-1 levels were also not significantly different between obese and non-obese PCOS patients (SMD = -0.04, 95% CI = [-0.68, 0.60], Z = 0.11, p = 0.909).

Conclusion

Our findings reveal that circulating MCP-1 levels are upregulated in women with PCOS and are associated with an increased risk of PCOS."xsd:string
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http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Fang L."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Li Y."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Yan Y."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Wu Z."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Thakur A."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Sun Y.P."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/author"Cheng J.C."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/date"2021"xsd:gYear
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/name"Am J Reprod Immunol"xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/pages"e13407"xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/title"Association of circulating monocyte chemoattractant protein-1 levels with polycystic ovary syndrome: A meta-analysis."xsd:string
http://purl.uniprot.org/citations/33638245http://purl.uniprot.org/core/volume"86"xsd:string
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