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Impact of Soluble HLA-G Levels and Endometrial NK Cells in Uterine Flushing Samples from Primary and Secondary Unexplained Infertile Women |
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| Authors: | Roberta Rizzo Giuseppe Lo Monte Daria Bortolotti Angela Graziano Valentina Gentili Dario Di Luca Roberto Marci |
| Affiliation: | 1.Department of Medical Sciences, Section of Microbiology and Genetics, University of Ferrara, 44100 Ferrara, Italy; E-Mails: (R.R.); (D.B.); (V.G.); (D.D.L.);2.Department of Morphology, Surgery and Experimental Medicine, Section of Gynecology and Obstetrics, University of Ferrara, 44100 Ferrara, Italy; E-Mails: (A.G.); (R.M.);3.University Hospital “S. Anna”, 44100 Ferrara, Italy |
| Abstract: | The aim of this research was to determine the levels of human leukocyte antigen G (HLA-G) and endometrial Natural Killer ((e)NK) cell percentages in uterine flushing samples from primary and secondary infertile women. sHLA-G levels were lower in the uterine flushing samples from primary infertile women in comparison with women with secondary infertility. Lower CD56+KIR2DL4+ (e)NK cell percentages were detected in primary infertile women compared with secondary infertile women. This is the first study demonstrating that primary and secondary unexplained infertilities are characterized by different basal sHLA-G levels and CD56+KIR2DL4+ (e)NK cell percentages. |
| Keywords: | primary infertility secondary infertility soluble human leukocyte antigen (sHLA-G) uterine flushing endometrial natural killer CD158d (KIR2DL4) |