ArticleCancer gene therapy2010
Antitumor activity of Ad-IU2, a prostate-specific replication-competent adenovirus encoding the apoptosis inducer, TRAIL.
Article in Cancer gene therapy, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- Review
- Targeting strategies of adenovirus‑mediated gene therapy and virotherapy for prostate cancer (Review).Molecular medicine reports · 2017Review
- Oncolytic virotherapy for urological cancers.Nature reviews. Urology · 2016Review
- Oncolytic adenovirus-mediated therapy for prostate cancer.Oncolytic virotherapy · 2016Review
- Article
- MiRNA regulation of TRAIL expression exerts selective cytotoxicity to prostate carcinoma cells.Molecular and cellular biochemistry · 2014Article
- Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
In this study, we analyzed the preclinical utility and antitumor efficacy of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) delivered by Ad-IU2, a prostate-specific replication-competent adenovirus (PSRCA), against androgen-independent prostate cancer. Through transcriptional control of adenoviral early genes E1a, E1b and E4, as well as TRAIL by two bidirectional prostate-specific enhancing sequences (PSES), the expression of TRAIL and adenoviral replication was limited to prostate-specific antigen (PSA) and prostate-specific membrane antigen (PSMA)-positive cells. Ad-IU2 induced fivefold greater apoptosis selectively in PSA/PSMA-positive CWR22rv and C4-2 cells than an oncolytic adenoviral control. Furthermore, prolonged infection with Ad-IU2 reversed TRAIL resistance in LNCaP cells. Ad-IU2 showed superior killing efficiency in PSA/PSMA-positive prostate cancer cells at doses five- to eight-fold lower than required by a PSRCA to produce a similar effect; however, this cytotoxic effect was not observed in non-prostatic cells. As an enhancement of its therapeutic efficacy, Ad-IU2 exerted a TRAIL-mediated bystander effect through direct cell-to-cell contact and soluble factors such as apoptotic bodies. In vivo, Ad-IU2 markedly suppressed the growth of subcutaneous androgen-independent CWR22rv xenografts compared with a PSRCA at 6 weeks after treatment (3.1- vs 17.1-fold growth of tumor). This study shows the potential clinical utility of a PSRCA armed with an apoptosis-inducing ligand.
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Registered trials
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.