Analysis of HLA antigens on germ cells in human semen

Nucleated cells other than sperm (NCOS) were isolated from human semen by centrifugation on a Ficoll density gradient. Using tissue‐specific monoclonal antibodies (mAb) > 99% of the NCOS were found to be sperm cell precursors (SpP). These cells were tested for the expression of class I and II (DR...

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Veröffentlicht in:European journal of immunology 1989-07, Vol.19 (7), p.1215-1220
Hauptverfasser: Jassim, Ali, Ollier, William, Payne, Annette, Biro, Andrew, Oliver, R. T. D., Festenstein, Hilliard
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container_end_page 1220
container_issue 7
container_start_page 1215
container_title European journal of immunology
container_volume 19
creator Jassim, Ali
Ollier, William
Payne, Annette
Biro, Andrew
Oliver, R. T. D.
Festenstein, Hilliard
description Nucleated cells other than sperm (NCOS) were isolated from human semen by centrifugation on a Ficoll density gradient. Using tissue‐specific monoclonal antibodies (mAb) > 99% of the NCOS were found to be sperm cell precursors (SpP). These cells were tested for the expression of class I and II (DR, DP and DQ) HLA antigens by using specific mAb. The anti‐HLA class I and II and anti‐β2‐microglobulin mAb reacted with < 1% of the NCOS. This was demonstrated by indirect immunofluorescence microscopy and fluorescence‐activated cell sorter analysis. These results were similar to those obtained from testing germ cells in frozen sections of normal adult testis using the same panel of mAb. In mixed lymphocyte‐NCOS cultures, the SpP failed to stimulate allogeneic lymphocytes even when different concentrations of cells were used. These results indicate little or no expression of HLA class I and II including the HLA‐D (T cell‐defined) determinant on the SpP, a phenomenon which could be of biological importance.
doi_str_mv 10.1002/eji.1830190710
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T. D.</creatorcontrib><creatorcontrib>Festenstein, Hilliard</creatorcontrib><title>Analysis of HLA antigens on germ cells in human semen</title><title>European journal of immunology</title><addtitle>Eur J Immunol</addtitle><description>Nucleated cells other than sperm (NCOS) were isolated from human semen by centrifugation on a Ficoll density gradient. Using tissue‐specific monoclonal antibodies (mAb) &gt; 99% of the NCOS were found to be sperm cell precursors (SpP). These cells were tested for the expression of class I and II (DR, DP and DQ) HLA antigens by using specific mAb. The anti‐HLA class I and II and anti‐β2‐microglobulin mAb reacted with &lt; 1% of the NCOS. This was demonstrated by indirect immunofluorescence microscopy and fluorescence‐activated cell sorter analysis. These results were similar to those obtained from testing germ cells in frozen sections of normal adult testis using the same panel of mAb. In mixed lymphocyte‐NCOS cultures, the SpP failed to stimulate allogeneic lymphocytes even when different concentrations of cells were used. These results indicate little or no expression of HLA class I and II including the HLA‐D (T cell‐defined) determinant on the SpP, a phenomenon which could be of biological importance.</description><subject>Antibodies, Monoclonal</subject><subject>Antigens</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. 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D.</au><au>Festenstein, Hilliard</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of HLA antigens on germ cells in human semen</atitle><jtitle>European journal of immunology</jtitle><addtitle>Eur J Immunol</addtitle><date>1989-07</date><risdate>1989</risdate><volume>19</volume><issue>7</issue><spage>1215</spage><epage>1220</epage><pages>1215-1220</pages><issn>0014-2980</issn><eissn>1521-4141</eissn><coden>EJIMAF</coden><abstract>Nucleated cells other than sperm (NCOS) were isolated from human semen by centrifugation on a Ficoll density gradient. Using tissue‐specific monoclonal antibodies (mAb) &gt; 99% of the NCOS were found to be sperm cell precursors (SpP). These cells were tested for the expression of class I and II (DR, DP and DQ) HLA antigens by using specific mAb. The anti‐HLA class I and II and anti‐β2‐microglobulin mAb reacted with &lt; 1% of the NCOS. 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source MEDLINE; Wiley Online Library All Journals
subjects Antibodies, Monoclonal
Antigens
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Fundamental immunology
Germ Cells - immunology
Histocompatibility antigens (hla, h-2 and other systems)
HLA Antigens - analysis
HLA-D Antigens - analysis
Humans
Immunoenzyme Techniques
Lymphocyte Culture Test, Mixed
Male
Molecular immunology
Oligospermia - immunology
Semen - cytology
Semen - immunology
Testis - immunology
title Analysis of HLA antigens on germ cells in human semen
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