Increased ENA-78 in the follicular fluid of patients with endometriosis

Observational OA: bronze CC0 ⤵ 34 in-corpus citations
⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-08 ⓘ

Follicular fluid from endometriosis patients showed significantly higher levels of epithelial neutrophil-activating peptide 78, tumor necrosis factor-alpha, and interleukin-6 compared to controls.

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Abstract

BACKGROUND: It is known that endometriosis is an inflammatory disease and those patients seem to have lower pregnancy rates. The aim of the study was to investigate the concentrations of chemokines and proinflammatory cytokines in the follicular fluid of patients with and without endometriosis. METHODS: Follicular aspiration, recovering follicular fluid during assisted reproductive treatment, follicular fluid storage and analysis of chemokines and proinflammatory cytokines were carried out. Tumor necrosis factor-alpha, interleukin-1 beta, interleukin-6, interleukin-8, interleukin-15, leukemia inhibitory factor, epithelial neutrophil-activating peptide 78, regulated upon activation, normal T-cell expressed and secreted, and growth-regulated oncogene-alpha were analyzed in the follicular fluid and compared between women with (n =47) and without endometriosis (n = 279). RESULTS: The above cytokines were detected in the follicular fluid samples. Epithelial neutrophil-activating peptide 78 levels were significantly higher in follicular fluid from endometriosis patients than from controls (p = 0.008). Increases (to twice the control level) were also observed for tumor necrosis factor-alpha and for interleukin-6. CONCLUSIONS: Increased follicular fluid levels of epithelial neutrophil-activating peptide 78, tumor necrosis factor-alpha and interleukin-6 indicate that these cytokines may influence oocyte quality and fecundability of women with endometriosis by deteriorating the microenvironment in the human follicle.

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Condition tags

endometriosis

MeSH descriptors

Biomarkers Chemokines, CXC Endometriosis Follicular Fluid Adult Adult Biomarkers Biomarkers Chemokine CXCL5 Chemokine CXCL5 Chemokines, CXC Chemokines, CXC Endometriosis Endometriosis Endometriosis Female Female Fertility Fertility Follicular Fluid

Citation neighborhood (2-hop)

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (23)

Cited by (34)

Source provenance

europepmc
last seen: 2026-10-16T06:09:50.462052+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-10-08T21:03:37.664955+00:00
License: CC0 · commercial use OK