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Epididymal macrophage senescence contributes to sperm motility decrease upon environmental stress

delete2026-02-27
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OA
AI
X
Xin-Run Wang
H
Hao Li
熊
熊永伟 (Yong-Wei Xiong)
Z
Zhi Yuan
X
Xinyi Cheng
Y
Yifan Hu
X
Xiaojin He
L
Long-Long Fan
Y
Ye-Xin Luo
J
Jian Sun
C
Cheng-Fang Sun
X
Xin-Xin Zhang
Y
Yan Wang
Q
Qi Lu
K
Kai-Wen Wang
L
Lulu Tan
X
Xiaohan Jiang
H
Hua-Long Zhu
徐德祥 封面图
徐德祥 (De‐Xiang Xu)
王
王华 (Hua Wang) *
DOI:10.1126/sciadv.aea3591delete
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摘要

摘要

En 中文
环境应激诱导的男性不育已成为一个主要的公共卫生问题。精子活力是受孕的关键。然而,环境应激诱导精子活力降低的免疫机制尚不清楚。我们的实验发现,三种经典的环境应激原,包括铅、镉和汞,是降低精子活力的关键重金属。我们揭示环境应激可诱导附睾巨噬细胞衰老,而清除上述细胞可显著缓解环境应激导致的精子活力降低。体内和体外实验进一步证实,环境应激通过下调Foxo3表达诱导巨噬细胞衰老。机制上,环境应激增加附睾Foxo3的N6-甲基腺苷水平并抑制FTO。体外过表达FTO和体内补充S-腺苷同型半胱氨酸可缓解环境应激诱导的巨噬细胞衰老。综上所述,这些结果表明附睾巨噬细胞衰老有助于环境应激下的精子活力下降。清除衰老的附睾巨噬细胞将为预防男性不育提供一种全新的策略。
Keyword:
Environmental stress
Sperm motility
Macrophage senescence
Heavy metals
Foxo3

期刊

Science Advances 封面图
Science Advances
IF:
12.5
论文数:
2.1W
被引数:
18.1W

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A
Anhui Medical University
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3.4K
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anhui medical university
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论文数: 1.5W
被引数: 248
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引用论文

引用论文

Two populations of self-maintaining monocyte-independent macrophages exist in adult epididymis and testis成人附睾和睾丸中存在两种自我维持的单核细胞非依赖性巨噬细胞
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