siRNA screen for genes that affect Junín virus entry uncovers voltage-gated calcium channels as a therapeutic target.

siRNA screen for genes that affect Junín virus entry uncovers voltage-gated calcium channels as a therapeutic target.
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DOI:
10.1126/scitranslmed.3006827
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发表时间:
2013-09-25
影响因子:
17.1
通讯作者:
Ross SR
Ross SR
中科院分区:
医学1区
文献类型:
--
作者:
Lavanya M;Cuevas CD;Thomas M;Cherry S;Ross SR

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New world hemorrhagic fever arenaviruses infection of humans results in 15–30% mortality. We performed a high throughput siRNA screen with Junín virus glycoprotein-pseudotyped viruses to find potential host therapeutic targets. Voltage-gated calcium channels (VGCC) subunits, for which there are FDA-approved drugs, were identified in the screen. Knockdown of VGCC subunits or treatment with channel blockers diminished Junín virus-cell fusion and entry into cells and thereby decreased infection. Gabapentin, an FDA-approved drug used to treat neuropathic pain that targets the α2δ2 subunit, inhibited infection of mice by the Candid 1 vaccine strain of the virus. These findings demonstrate that VGCCs play a role in virus infection and have the potential to lead to therapeutic intervention of new world arenavirus infection.
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