Journal
JOURNAL OF INFECTIOUS DISEASES
Volume 189, Issue 8, Pages 1440-1443Publisher
OXFORD UNIV PRESS INC
DOI: 10.1086/382658
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Cyanovirin-N (CV-N) has been shown to inhibit Ebola Zaire virus (EboZV) infection, both in vitro and in vivo, through its ability to bind to oligomannoses-8/9 on the EboZV surface glycoprotein ( GP). Here, we report the in vitro potency of CV-N to inhibit EboZV GP - and Marburg virus GP - pseudotyped viruses (EC50 similar to 40 - 60 nmol/L and similar to 6 - 25 nmol/L, respectively) from mediating gene transduction into HeLa cells. In addition, we provide evidence that CV-N can effectively inhibit DC-SIGN - mediated EboZV infection. Our data emphasize both the utility of GP-pseudotyped vectors in the assessment of compounds that affect cell entry by filovirus and the use of CV-N as a reagent for the probing of carbohydrate-dependent interactions at viral entry.
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