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2016 ; 8
(10
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Griffithsin: An Antiviral Lectin with Outstanding Therapeutic Potential
#MMPMID27783038
Lusvarghi S
; Bewley CA
Viruses
2016[Oct]; 8
(10
): ä PMID27783038
show ga
Griffithsin (GRFT), an algae-derived lectin, is one of the most potent viral
entry inhibitors discovered to date. It is currently being developed as a
microbicide with broad-spectrum activity against several enveloped viruses. GRFT
can inhibit human immunodeficiency virus (HIV) infection at picomolar
concentrations, surpassing the ability of most anti-HIV agents. The potential to
inhibit other viruses as well as parasites has also been demonstrated.
Griffithsin's antiviral activity stems from its ability to bind terminal mannoses
present in high-mannose oligosaccharides and crosslink these glycans on the
surface of the viral envelope glycoproteins. Here, we review structural and
biochemical studies that established mode of action and facilitated construction
of GRFT analogs, mechanisms that may lead to resistance, and in vitro and
pre-clinical results that support the therapeutic potential of this lectin.