Evidence map›Paper›PMID 23183895›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2013

Impact of IgA constant domain on HIV-1 neutralizing function of monoclonal antibody F425A1g8.

Xiaocong Yu, Mark Duval, Christopher Lewis, Melissa A Gawron, Rijian Wang, Marshall R Posner, Lisa A Cavacini

Open access · bronzeAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
0.8field-weighted citation impact, top 30% 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

19 citing papers in PubMed, 31 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

7 authors at 2 institutions in 1 country.

Xiaocong YuDepartment of Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. xyu@bidmc.harvard.edu
Mark Duval
Christopher Lewis
Melissa A Gawron
Rijian Wang
Marshall R Posner
Lisa A Cavacini
Beth Israel Deaconess Medical Center · USHarvard University · US

Funding

Functional Mechanisms of Antibody Inhibition of HIV-1R01AI063986 · NIAID · BETH ISRAEL DEACONESS MEDICAL CENTER · PI POSNER, MARSHALL R · 2005 to 2008
$1.7M
Mucosal Protection Against HIV Transmission by Combinations of Anti-HIV AntibodieR21AI075932 · NIAID · BETH ISRAEL DEACONESS MEDICAL CENTER · PI CAVACINI, LISA A · 2007 to 2008
$453k
NIAID NIH HHS R01 AI063986NIAID NIH HHS R01AI063986NIAID NIH HHS R21 AI075932NIAID NIH HHS R21AI075932
6 · The paper itself

Abstract

With the majority of HIV infections resulting from mucosal transmission, induction of an effective mucosal immune response is thought to be pivotal in preventing transmission. HIV-specific IgA, but not IgG, has been detected in the genital tract, seminal fluid, urethral swabs, urine, and vaginal wash samples of HIV-negative sex workers and HIV-status discordant couples. Purified mucosal and plasma IgA from some individuals with highly exposed, persistently seronegative status can neutralize infection and present cross-clade neutralization activity, though present at low levels. We generated a CD4-induced human mAb, F425A1g8, and characterized the impact of its isotype variants on HIV neutralizing activity. The result showed that, in contrast to little neutralization by the F425A1g8 IgG1 in the absence of sCD4, the IgA1 variant of the Ab displayed significant independent neutralization activity against a range of HIV clade B isolates in the absence of sCD4. Studies of the neutralizing function of IgA isotypes, and the functional relationship between different antigenic epitopes and IgA Abs, may also suggest strategies for the intervention of virus transmission and spread within the mucosa of the host, as well as serve to inform the design of vaccine strategies that may be more effective at preventing mucosal transmission. This research clearly suggests that IgA isotype, because of its unique molecular structure, may play an important role in HIV neutralization.

Indexed as

Antibodies, MonoclonalBinding Sites, AntibodyHIV-1HIV AntibodiesHumansImmunoglobulin AImmunoglobulin Constant RegionsImmunoglobulin IsotypesNeutralization TestsAntibodies, MonoclonalHIV AntibodiesImmunoglobulin AImmunoglobulin Constant RegionsImmunoglobulin Isotypes

Identifiers

PMID23183895
PMCPMC3529784
OpenAlexW2101931208

What OpenQuestion holds

Textmetadata
LicenceTDM
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.