Abstract：
:Zika virus (ZIKV) is a recently re-emerged flavivirus transmitted to humans by mosquito bites but also from mother to fetus and by sexual intercourse. We here show that primary human endometrial stromal cells (HESC) are highly permissive to ZIKV infection and support its in vitro replication. ZIKV envelope expression was detected in the endoplasmic reticulum whereas double-stranded viral RNA colocalized with vimentin filaments to the perinuclear region. ZIKV productive infection also occurred in the human T-HESC cell line together with the induction of interferon-β (IFN-β) and of IFN-stimulated genes. Notably, in vitro decidualization of T-HESC with cyclic AMP and progesterone upregulated the cell surface expression of the ZIKV entry co-receptor AXL and boosted ZIKV replication by ca. 100-fold. Thus, endometrial stromal cells, particularly if decidualized, likely represent a crucial cell target of ZIKV reaching them, either via the uterine vasculature in the viremic phase of the infection or by sexual viral transmission, and a potential source of virus spreading to placental trophoblasts during pregnancy.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Pagani I,Ghezzi S,Ulisse A,Rubio A,Turrini F,Garavaglia E,Candiani M,Castilletti C,Ippolito G,Poli G,Broccoli V,Panina-Bordignon P,Vicenzi Edoi
10.1038/srep44286subject
Has Abstractpub_date
2017-03-10 00:00:00pages
44286issn
2045-2322pii
srep44286journal_volume
7pub_type
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