Age-dependent loss of sperm production in mice via impaired lysophosphatidic acid signaling.
Age-dependent loss of sperm production in mice via impaired lysophosphatidic acid signaling.
复制标题
小鼠通过溶血磷脂酸信号传导的年龄依赖性精子产生损失。
DOI:
10.1095/biolreprod.108.068783
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发表时间:
2008-08
影响因子:
3.6
通讯作者:
Chun, Jerold
中科院分区:
文献类型:
--
作者:
Ye, Xiaoqin;Skinner, Michael K.;Kennedy, Grace;Chun, Jerold
Approximately half of all infertility cases can be attributed to male reproductive dysfunction for which low sperm count is a major contributing factor. The current study identified receptor-mediated lysophosphatidic acid (LPA) signaling as a new molecular component influencing male fertility. LPA is a small signaling phospholipid whose effects are mediated through at least five G protein-coupled receptors, named LPA1–5. Lpa1/2/3, but not Lpa4/5, are highly expressed in mouse testis. Lpa1/2/3-triple knockout male mice showed a testosterone-independent reduction of mating activity and sperm production, with an increased prevalence of azoospermia in aging animals. A significant increase of germ cell apoptosis was observed in the Lpa 1/2/3-triple knockout testes. Germ cell apoptosis led to a reduction in germ cell proliferation. These data demonstrate a novel in vivo function for LPA signaling as a germ cell survival factor during spermatogenesis.
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DOI:
10.1083/jcb.135.4.1071
发表时间:
1996-11
期刊:
The Journal of cell biology
影响因子:
--
作者:
Hecht JH;Weiner JA;Post SR;Chun J
通讯作者:
Chun J
DOI:
10.1073/pnas.97.24.13384
发表时间:
2000-11-21
影响因子:
11.1
作者:
Contos, JJA;Fukushima, N;Chun, J
通讯作者:
Chun, J
影响因子:
3.5
作者:
Gaits, F;Fourcade, O;Chap, H
通讯作者:
Chap, H
影响因子:
4.8
作者:
Ito, M;Tchoua, U;Tojo, H
通讯作者:
Tojo, H
影响因子:
4.8
作者:
Higgs, HN;Glomset, JA
通讯作者:
Glomset, JA