Diverse Viruses Require the Calcium Transporter SPCA1 for Maturation and Spread.

Diverse Viruses Require the Calcium Transporter SPCA1 for Maturation and Spread.
复制标题

DOI:
10.1016/j.chom.2017.09.002
复制
发表时间:
2017-10-11
影响因子:
30.3
通讯作者:
Rice CM
Rice CM
中科院分区:
医学1区
文献类型:
--
作者:
Hoffmann HH;Schneider WM;Blomen VA;Scull MA;Hovnanian A;Brummelkamp TR;Rice CM

文献摘要

参考文献

被引文献

相似文献

由于缺乏有效的抗病毒药物和疫苗,呼吸道和节肢动物传播的病毒感染是一个全球性威胁。一种潜在的策略是靶向病毒所需但对宿主非必需的宿主蛋白质。为了鉴定此类蛋白质,我们在人类单倍体细胞中进行了全基因组敲除筛选,并鉴定了钙泵SPCA 1。SPCA 1是副粘病毒科、黄病毒科和披膜病毒科的病毒所必需的,包括麻疹、登革热、西尼罗河、寨卡和基孔肯雅病毒。SPCA 1需要钙转运活性来促进病毒传播。SPCA 1调节高尔基体网络内的蛋白酶,这些蛋白酶的活性需要钙,并且对病毒糖蛋白成熟至关重要。与这些发现一致,病毒糖蛋白在SPCA 1缺陷细胞中不能成熟,从而阻止病毒传播,这即使在SPCA 1部分缺失的细胞中也是明显的。因此,SPCA 1是一个有吸引力的抗病毒宿主靶标,用于广泛的已建立和新出现的病毒感染。在这一期的《细胞宿主与微生物》中,霍夫曼等人确定了钙泵SPCA 1是病毒传播所必需的。SPCA 1的缺失降低了高尔基体网络中钙依赖性蛋白酶的活性,从而阻碍了病毒糖蛋白的成熟。因此,SPCA 1是病毒感染的有吸引力的宿主靶标。
Respiratory and arthropod-borne viral infections are a global threat due to the lack of effective antivirals and vaccines. A potential strategy is to target host proteins required for viruses but non-essential for the host. To identify such proteins, we performed a genome-wide knockout screen in human haploid cells and identified the calcium pump SPCA1. SPCA1 is required by viruses from the Paramyxo-, Flavi-, and Togaviridae families, including measles, dengue, West Nile, Zika, and chikungunya viruses. Calcium transport activity is required for SPCA1 to promote virus spread. SPCA1 regulates proteases within the trans-Golgi network that require calcium for their activity and are critical for virus glycoprotein maturation. Consistent with these findings, viral glycoproteins fail to mature in SPCA1-deficient cells preventing viral spread, which is evident even in cells with partial loss of SPCA1. Thus, SPCA1 is an attractive antiviral host target for a broad spectrum of established and emerging viral infections. In this issue of Cell Host & Microbe, Hoffmann et al. determine that the calcium pump, SPCA1, is required for virus spread. Loss of SPCA1 reduces activity of calcium-dependent proteases in the trans-Golgi network and consequently, hinders viral glycoprotein maturation. Thus, SPCA1 is an attractive host target for viral infections.
DOI: 10.1038/nbt.1604
发表时间: 2010-02
影响因子: 46.9
作者:
通讯作者: --
DOI: 10.1128/jvi.64.3.1329-1334.1990
发表时间: 1990-03-01
影响因子: 5.4
作者:
COELINGH, KV;WINTER, CC
通讯作者: WINTER, CC
DOI: 10.1074/jbc.m300509200
发表时间: 2003-07-04
影响因子: 4.8
作者:
Fairclough, RJ;Dode, L;Hovnanian, A
通讯作者: Hovnanian, A
DOI: 10.1126/science.1233675
发表时间: 2013-04-26
期刊: Science (New York, N.Y.)
影响因子: --
作者:
Jae LT;Raaben M;Riemersma M;van Beusekom E;Blomen VA;Velds A;Kerkhoven RM;Carette JE;Topaloglu H;Meinecke P;Wessels MW;Lefeber DJ;Whelan SP;van Bokhoven H;Brummelkamp TR
通讯作者: Brummelkamp TR
DOI: 10.1126/science.aac7557
发表时间: 2015-11-27
期刊: SCIENCE
影响因子: 56.9
作者:
Blomen, Vincent A.;Majek, Peter;Brummelkamp, Thijn R.
通讯作者: Brummelkamp, Thijn R.