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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2025 ; 16
(1
): 9182
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Ultrapotent human antibodies lock E protein dimers central region of diverse
DENV3 morphological variants
#MMPMID41102151
Fibriansah G
; Ng TS
; Lim XN
; Shebanova A
; Ng LC
; Tan SL
; Tan AWK
; Shi J
; Crowe JE Jr
; Lok SM
Nat Commun
2025[Oct]; 16
(1
): 9182
PMID41102151
show ga
Dengue virus (DENV) consists of four serotypes (DENV1-4). Current vaccines induce
differing levels of immune response against the four serotypes, that might prime
recipients to develop severe disease in subsequent infections. Several DENV
tetravalent vaccine clinical trials suggested an increased incidence in severe
DENV3 cases, suggesting a need to develop DENV3 therapeutics. Human monoclonal
antibodies (HMAbs) DENV-290 and DENV-115 are ultrapotent against diverse DENV3
strains with differing particle morphologies. They mainly neutralize by
inhibition of virus attachment to cells. CryoEM structures of Fabs complexed with
differing DENV3 morphological variants show their Fabs binding across two E
protein protomers at the center of the E dimer. This new class of E protein dimer
binding antibodies is named EDE-C. The cryoEM structures also show how IgGs
engage the DENV particles. Results define the structural and molecular basis for
the ultrapotent activity of EDE-C antibodies.