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Construct and expression of recombinant domains I/II of dengue virus- 2 and its efficacy to evaluate immune response in endemic area: Possible use in prognosis.

Abstract：

:The envelope (E) protein from DENV, contain three functional and structural domains (DI, DII and DIII). Some studies suggest that neutralizing antibodies during natural DENV infection are predominantly against DI and DII, in contrast, low proportion of the antibodies were against DIII. Thus it is necessary to establish the proportion of human antibodies against DENV E protein that bind to DI and DII during the normal course of infection; as an indicator of the quality of the antibody response and to further design new vaccine candidates for DENV. The aim of this study was to express recombinant proteins harboring a 240-aminoacid fragment of the E protein from DI and DII of DENV serotypes 2 and 3 in a eukaryotic S2 system. Further, we evaluate the antibodies against these antigens in samples from patients in acute phase of DF or DHF and compare it with the response of samples from healthy individuals from the same endemic areas and samples from healthy individuals from a non-endemic area (EA and NEA, respectively). These results suggest that the presence of antibodies against rEDI/DII might be used to identify patients at risk for severe disease.

journal_name

Acta Trop

journal_title

Acta tropica

authors

Montes-Gómez AE,Vivanco-Cid H,Bustos-Arriaga J,Zaidi MB,Garcia-Machorro J,Gutierrez-Castañeda B,Cedillo-Barron L

doi

10.1016/j.actatropica.2017.04.006

subject

Has Abstract

pub_date

2017-07-01 00:00:00

pages

233-238

eissn

0001-706X

issn

1873-6254

pii

S0001-706X(16)31112-3

journal_volume

171

pub_type

杂志文章

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