Fraction of the peripheral blood concentration of CD56+/CD16-/CD3- cells in total natural killer cells as an indication of fertility and infertility.

Abstract:

OBJECTIVE:To determine whether the peripheral blood concentration of CD56(+)/CD16(-)/CD3(-) cells, the main natural killer (NK) subpopulation that colonizes the endometrium in the middle and late secretory phase, can be related to fertility or infertility status. DESIGN:A case control study. SETTING:Immunopathology department of an infertility laboratory. PATIENTS:A total 99 women were selected (group I: consecutive spontaneous aborters, n = 25; group II: sporadic spontaneous aborters, n = 30; group III: infertile, n = 33; group IV: controls, n = 11). INTERVENTION:Immunophenotyping of women grouped according to their fertility status. MAIN OUTCOME MEASURES:Peripheral blood lymphocytes were examined by two- and three-color flow cytometry. RESULTS:A statistically significant association between endometrial-type peripheral blood (PB) NK cell concentrations and fertility status (groups I and IV vs. groups II and III) was documented. The %(/TOTAL PB)(CD56+CD16-CD3-) NK cells was significantly higher [1] in fertile (groups I and IV) than in sporadic aborters/infertile (groups II and III) women, [2] in group I when compared with groups II and III, and [3] in group IV when compared with groups II and III. CONCLUSIONS:This study indicates that diminished numbers of the %(/TOTAL PB)(CD56+CD16-CD3-) NK cells are related to sporadic aborters and infertile women. Thus, the fraction could be used as an indicator of subsequent successful implantation and maintenance of gestation.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Michou VI,Kanavaros P,Athanassiou V,Chronis GB,Stabamas S,Tsilivakos V

doi

10.1016/s0015-0282(03)00778-7

keywords:

subject

Has Abstract

pub_date

2003-09-01 00:00:00

pages

691-7

eissn

0015-0282

issn

1556-5653

pii

S0015028203007787

journal_volume

80 Suppl 2

pub_type

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