Cited by 59Ovarian function and disordersReproductive System and PregnancyEndometriosis Research and Treatment

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Reduced percentage of natural killer cells associated with impaired cytokine network in the secretory endometrium of infertile women with polycystic ovary syndrome

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Abstract

Objective To evaluate lymphocyte subset distribution in the secretory endometrium from infertile patients with polycystic ovary syndrome (PCOS), and the expression of the cytokines known to play a role in determining the endometrial lymphocyte pattern. Design Experimental clinical study. Setting Outpatient clinic in a university hospital. Patient(s) Twenty-eight patients with PCOS (PCOS group) and 6 fertile patients (control group). Intervention(s) On days 22-26 of a spontaneous cycle, subjects underwent endometrial biopsies. Main outcomes measure(s) In 19 of 28 patients with PCOS and 6 controls with a late secretory endometrium, the percentage and phenotype of lymphocyte subsets were analyzed by flow cytometry. In the late secretory endometrium of 11 patients with PCOS and 3 controls, the expression of interleukins 15 and 18 and of chemokine ligand 10 was also analysed by polymerase chain reaction. Result(s) In patients with PCOS the percentage of CD56+/CD16- and of CD56bright/CD16- cells was significantly lower (median [confidence interval]: 38% [31%-52.7%] vs. 63.7% [57.7%-69%] and 17.4% [8%-41.6%] vs. 52% [43%-60%], respectively), whereas the percentage of CD3+ was significantly higher (45% [33.3%-64%] vs. 26.1% [21%-32%]) as compared with controls. Accordingly, polymerase chain reaction analysis revealed a significantly lower expression of interleukins 15 and 18 and of chemokine ligand 10 in patients with PCOS than in controls. Conclusion(s) Results demonstrated an abnormal percentage of endometrial lymphocyte subsets, associated with an impaired cytokine network in patients with PCOS. This could explain the poor reproductive potential in these patients.

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Crossref · 10.1016/j.fertnstert.2010.01.049

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  • Women with PCOS demonstrate reduced numbers of uterine natural killer cells.

    “Women with PCOS also demonstrate reduced numbers of uterine natural killer cells (Matteo et al., 2010).”

    From Endometriosis and polycystic ovary syndrome are diametric disorders (2021) · cites this paper as Matteo et al., 2010

    The Discussion reports a marked reduction in the percentages of uterine NK-cell subsets in the late-secretory endometrium of young infertile women with PCOS. The claim captures the direction of the finding but generalizes it to all women with PCOS and says “numbers,” whereas the study measured percentages, not absolute cell counts. (LLM, conf=0.88)

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Research works printed but not linked: 32

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Metadata

Authors
Matteo, M., Serviddio, G., Massenzio, F., Scillitani, G., Castellana, L., Picca, G., Sanguedolce, F., Cignarelli, M., Altomare, E., Bufo, P., Greco, P., & Liso, A.
Affiliations
University of Foggia (IT)
Corresponding author
Matteo, Maria
Venue
Fertility and Sterility
Publisher
Elsevier BV
Published
2010-11
Volume
94
Issue
6
Pages
2222-2227.e3
ISSN
0015-0282 (ISSN-L)
OpenAlex
W2090942716
Cited by
59
References
0
Citations by year
2026: 7 · 2025: 4 · 2024: 7 · 2023: 3 · 2022: 10 · 2021: 4 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 4 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 1 · 2012: 2
FWCI
1.52
Type
journal article
Language
en
Open access
Locations
  • Fertility and Sterility (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Ferrara (University of Ferrara) (submittedVersion)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
  • Life Sciences › Immunology and Microbiology › Immunology › Reproductive System and Pregnancy
  • Health Sciences › Medicine › Reproductive Medicine › Endometriosis Research and Treatment
Keywords
polycystic ovary syndrome, secretory endometrium, natural killer cells, CD56bright NK cells, CD16+CD56+ NK cells, IL-15, IL-18, cytokine network, female infertility
MeSH terms
Adult, Cell Count, Endometrium, Female, Flow Cytometry, Humans, Infertility, Female, Killer Cells, Natural, Luteal Phase, Middle Aged, Polycystic Ovary Syndrome, Case-Control Studies, Cytokines, Metabolic Networks and Pathways, Young Adult

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