Evidence map›Paper›PMID 19084043›Full record

ArticleVaccine2009

Cross-reactive HIV-1-neutralizing activity of serum IgG from a rabbit immunized with gp41 fused to IgG1 Fc: possible role of the prolonged half-life of the immunogen.

Mei-Yun Zhang, Yanping Wang, Marie K Mankowski, Roger G Ptak, Dimiter S Dimitrov

Open access · greenAbstract read
In one paragraph

Article in Vaccine, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.7field-weighted citation impact, top 11% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 37 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 1 country.

Mei-Yun ZhangCenter for Cancer Research Nanobiology Program, CCR, NCI-Frederick, NIH, Frederick, MD 21702, USA. meiyun_zhang@yahoo.com
Yanping Wang
Marie K Mankowski
Roger G Ptak
Dimiter S Dimitrov
Center for Cancer Research · USSouthern Research Institute · USScience Applications International Corporation (United States) · US

Funding

Antibody-based therapeutics and vaccines against AIDSZIABC011155 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI DIMITROV, DIMITER S · 2009 to 2017
$2.6M
Intramural NIH HHS Z99 CA999999NCI NIH HHS N01 CO012400NCI NIH HHS N01-CO-12400NCI NIH HHS Y99 CA999999
6 · The paper itself

Abstract

The elicitation of broadly cross-reactive HIV-1 neutralizing antibodies in humans remains a major challenge in developing a viable AIDS vaccine. We hypothesized that prolonged exposure to candidate vaccine immunogens could enhance the elicitation of such antibodies. In an attempt to develop HIV-1 vaccine immunogens with prolonged half-lives and increased stability, we constructed a fusion protein, gp41Fc, in which a truncated HIV-1 gp41(89.6) was fused to a human IgG(1) Fc. Gp41Fc is stable in solution, retains its antigenic structure and is highly immunogenic in rabbits. The serum titers reached 1:102,400 for the gp41Fc and 1:5,120 for gp140(89.6). Rabbit IgG neutralized diverse HIV-1 isolates and HIV-2, and the neutralization activity was attributed to gp41-specific IgG. The concentration of the gp41Fc in the serum correlated with the neutralization activity of rabbit IgG which recognized mostly conformation-independent epitopes on gp41 and predominantly bound to peptides derived from the gp41 immunodominant loop region. These results suggest that the prolonged half-life of gp41Fc in the serum may enhance the generation of cross-reactive neutralizing antibodies. Further research is needed to confirm and extend these results which may have implications for the development of vaccine immunogens with enhanced capability to elicit cross-reactive HIV-1-neutralizing antibodies.

Indexed as

Adjuvants, ImmunologicAIDS VaccinesAnimalsFemaleHalf-LifeHIV-1HIV-2HIV AntibodiesHIV Envelope Protein gp41HumansImmunoglobulin Fc FragmentsNeutralization TestsRabbitsRecombinant Fusion ProteinsAdjuvants, ImmunologicAIDS Vaccinesgp41 protein, Human immunodeficiency virus 1HIV AntibodiesHIV Envelope Protein gp41Immunoglobulin Fc FragmentsRecombinant Fusion Proteins

Identifiers

PMID19084043
PMCPMC3399430
OpenAlexW1971158720

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.