Evidence map›Paper›PMID 15647774›Full record

ArticleGene therapy2005

Evaluation of toxicity from high-dose systemic administration of recombinant adenovirus vector in vector-naive and pre-immunized mice.

A N Varnavski, R Calcedo, M Bove, G Gao, J M Wilson

Abstract read
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In one paragraph

Article in Gene therapy, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

65 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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5 more citing papers are in PubMed but not listed here.

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.

A N VarnavskiGene Therapy Program at the University of Pennsylvania School of Medicine, Department of Medicine, Division of Medical Genetics, Philadelphia, PA, USA.
R Calcedo
M Bove
G Gao
J M Wilson

Funding

VECTOR COREP01HL059407 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI LIMBERIS, MARIA P. · 1999 to 2019
$35.6M
Vector CoreP30DK047757 · NIDDK · UNIVERSITY OF PENNSYLVANIA · PI WILSON, JAMES M · 1993 to 2017
$18.0M
NHLBI NIH HHS P01 HL59407-03NIDDK NIH HHS P30 DK47757-09
6 · The paper itself

Abstract

Toxicity associated with in vivo administration of adenovirus (Ad) vectors has been linked to activation of both innate and adaptive immune responses. Pre-existing immunity to the prevalent Ad serotypes, acquired by the majority of the human population as a result of natural infections, has the potential to modulate vector efficacy and safety. Previously, we evaluated some aspects of toxicity from systemic Ad vector in vector-naive and pre-immunized rhesus monkeys. In this report, we summarize data from several studies analyzing toxic effects from systemically administered E1/E3-deleted Ad vector in vector-naive and pre-immunized C57BL/6 mice. Our results indicate that pre-immunization can be associated with increased mortality shortly after systemic administration of Ad. Transient leukopenia and thrombocytopenia were observed early post vector infusion in both vector-naive and pre-immunized animals. Pre-exposure to the vector did not prevent induction of pro-inflammatory cytokines; however, pre-immunized mice showed less tissue toxicity. Growth of bone marrow myeloid and erythroid progenitors was transiently inhibited in pre-immunized animals, but only the myeloid progenitors were affected in vector-naive animals. In summary, pre-existing immunity to Ad vector substantially modifies host immune responses to systemic Ad vector.

Indexed as

AdenoviridaeAdenoviridae InfectionsAnimalsBone MarrowCytokinesFemaleGenetic TherapyGenetic VectorsHumansImmunityImmunoglobulin GLeukopeniaLiverMiceMice, Inbred C57BLThrombocytopeniaCytokinesImmunoglobulin GTransaminases

Identifiers

PMID15647774

What OpenQuestion holds

Textmetadata
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.