Evidence map›Paper›PMID 22387029›Full record

ArticleJournal of vascular and interventional radiology : JVIR2012

Intratumoral versus intravenous gene therapy using a transcriptionally targeted viral vector in an orthotopic hepatocellular carcinoma rat model.

Young Il Kim, Byeong-Cheol Ahn, John A Ronald, Regina Katzenberg, Abhinav Singh, Ramasamy Paulmurugan, Sunetra Ray, Sanjiv S Gambhir, Lawrence V Hofmann

Abstract readComparative StudyEvaluation Study
In one paragraph

Article in Journal of vascular and interventional radiology : JVIR, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 pooled it
1.7field-weighted citation impact, top 16% 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

8 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
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

9 authors at 3 institutions in 3 countries.

Young Il KimDivision of Interventional Radiology, Stanford University School of Medicine, Stanford, California, USA.
Byeong-Cheol Ahn
John A Ronald
Regina Katzenberg
Abhinav Singh
Ramasamy Paulmurugan
Sunetra Ray
Sanjiv S Gambhir
Lawrence V Hofmann
Stanford University · USSeoul National University · KRUniversity of Cambridge · GB

Funding

Small Animal ImagingP50CA114747 · NCI · STANFORD UNIVERSITY · PI RAO, JIANGHONG · 2005 to 2014
$18.2M
NCI NIH HHS P50 CA114747
6 · The paper itself

Abstract

purposeTo evaluate the feasibility of intratumoral delivery of adenoviral vector carrying a bidirectional two-step transcriptional amplification (TSTA) system to amplify transcriptional strength of cancer-specific Survivin promoter in a hepatocellular carcinoma model. MATERIALS AND

methodsMCA-RH7777 cells were implanted in rat liver, and tumor formation was confirmed with [(18)F]fluorodeoxyglucose (18F-FDG) positron emission tomography (PET). The adenoviral vector studied had Survivin promoter driving a therapeutic gene (tumor necrosis factor-α-related apoptosis-inducing ligand [TRAIL]) and a reporter gene (firefly luciferase [FL]; Ad-pSurvivin-TSTA-TRAIL-FL). Tumor-bearing rats were administered Ad-pSurvivin-TSTA-TRAIL-FL intravenously (n = 7) or intratumorally (n = 8). For control groups, adenovirus FL under cytomegalovirus (CMV) promoter (Ad-pCMV-FL) was administered intravenously (n = 3) or intratumorally (n = 3). One day after delivery, bioluminescence imaging was performed to evaluate transduction. At 4 and 7 days after delivery, 18F-FDG-PET was performed to evaluate therapeutic efficacy.

resultsWith intravenous delivery, Ad-pSurvivin-TSTA-TRAIL-FL showed no measurable liver tumor FL signal on day 1 after delivery, but showed better therapeutic efficacy than Ad-pCMV-FL on day 7 (PET tumor/liver ratio, 3.5 ± 0.58 vs 6.0 ± 0.71; P = .02). With intratumoral delivery, Ad-pSurvivin-TSTA-TRAIL-FL showed positive FL signal from all tumors and better therapeutic efficacy than Ad-pCMV-FL on day 7 (2.4 ± 0.50 vs 5.4 ± 0.78; P = .01). In addition, intratumoral delivery of Ad-pSurvivin-TSTA-TRAIL-FL demonstrated significant decrease in tumoral viability compared with intravenous delivery (2.4 ± 0.50 vs 3.5 ± 0.58; P = .03).

conclusionsIntratumoral delivery of a transcriptionally targeted therapeutic vector for amplifying tumor-specific effect demonstrated better transduction efficiency and therapeutic efficacy for liver cancer than systemic delivery, and may lead to improved therapeutic outcome for future clinical practice.

Indexed as

Gene Expression Regulation, NeoplasticGenetic VectorsTranscription, GeneticTransduction, GeneticAdenoviridaeAnimalsCarcinoma, HepatocellularCell Line, TumorFeasibility StudiesFluorodeoxyglucose F18Genes, ReporterGenetic TherapyInhibitor of Apoptosis ProteinsInjections, IntralesionalInjections, IntravenousLiver NeoplasmsFluorodeoxyglucose F18Inhibitor of Apoptosis ProteinsLuciferases, FireflyRadiopharmaceuticalsTNF-Related Apoptosis-Inducing Ligand

Identifiers

PMID22387029
PMCPMC4132166
OpenAlexW1982763840

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.