Restriction of SARS-CoV-2 replication in the human placenta.

Restriction of SARS-CoV-2 replication in the human placenta.
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DOI:
10.1016/j.placenta.2022.07.010
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发表时间:
2022-09
期刊:
影响因子:
3.8
通讯作者:
Komine-Aizawa, Shihoko
Komine-Aizawa, Shihoko
中科院分区:
医学3区
文献类型:
--
作者:
Takada, Kazuhide;Shimodai-Yamada, Sayaka;Suzuki, Mayumi;Quang Duy Trinh;Takano, Chika;Kawakami, Kaori;Asai-Sato, Mikiko;Komatsu, Atsushi;Okahashi, Aya;Nagano, Nobuhiko;Misawa, Toshiya;Yamaguchi, Kyohei;Suzuki, Tadaki;Kawana, Kei;Morioka, Ichiro;Yamada, Hideto;Hayakawa, Satoshi;Hao, Hiroyuki;Komine-Aizawa, Shihoko

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尽管 SARS-CoV-2 可以感染人类胎盘组织,但垂直传播很少见。因此,胎盘可能充当抑制病毒传播给胎儿的屏障,但其机制仍不清楚。在这项研究中,我们通过用针对刺突蛋白的反义探针进行原位杂交,证实了人类胎盘组织中存在 SARS-CoV-2 基因组;当使用刺突蛋白的感应探针时,组织染色要低得多。据我们所知,这是第一个直接表明 SARS-CoV-2 感染胎盘中病毒复制效率低下的证据。需要进一步的研究来揭示详细的机制。
Although SARS-CoV-2 can infect human placental tissue, vertical transmission is rare. Therefore, the placenta may function as a barrier to inhibit viral transmission to the foetus, though the mechanisms remain unclear. In this study, we confirmed the presence of the SARS-CoV-2 genome in human placental tissue by in situ hybridization with antisense probes targeting the spike protein; tissue staining was much lower when using sense probes for the spike protein. To the best of our knowledge, this is the first evidence directly indicating inefficient viral replication in the SARS-CoV-2-infected placenta. Additional studies are required to reveal the detailed mechanisms.
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