The debate on the presence of HIV-1 in human gametes

被引:46
作者
Baccetti, B
Benedetto, A
Collodel, G
di Caro, A
Garbuglia, AR
Piomboni, P
机构
[1] Univ Siena, Inst Gen Biol, I-53100 Siena, Italy
[2] CNR, Ctr Study Germinal Cells, I-53100 Siena, Italy
[3] IRCCS, L Spallanzani Hosp, Ctr Virol, Rome, Italy
关键词
spermatozoa; HIV; oocyte; HIV receptors;
D O I
10.1016/S0165-0378(98)00048-5
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The debate about the presence of HIV-I particles in human gametes and recent experimental results are reported in detail. Using immunocytochemistry, in situ hybridization at electron microscopy level, polymerase chain reaction and in vitro fertilization, it has been demonstrated that human spermatozoa can incorporate HIV-1 using special receptors, different from the usual CD4, and that they remain active and able to vehicle the viral particles into the oocyte, which is regularly fertilized. Moreover, by transmission electron microscopy (TEM), immunocytochemistry and PCR, we demonstrated that cell-free HIV-1 is not able to bind and penetrate the human oocyte in vitro. We attribute this behaviour to the fact that the oocyte and cumulus cells are devoid both of GalAAG and of CD4 receptors. PCR analysis indicated that mRNAs specific for CD4, CXCR4 and CCR5 proteins were absent, too. (C) 1998 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:41 / 67
页数:27
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