Inhibition of the growth of pre-established subcutaneous tumor nodules of human prostate cancer cells by single injection of the recombinant adenovirus p53 expression vector

Kekule Asgari, Isabell A. Sesterhenn, David G. McLeod, Kenneth Cowan, Judd W. Moul, Prem Seth, Shiv Srivastava

Research output: Contribution to journalArticle

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Abstract

We have previously described potent growth-inhibitory effect of a recombinant adenovirus expressing wild type p53 (AdWTp53) in metastatic prostate cancer cells via activation of cellular p53 pathways. We have extended these observations to analyze the effects of AdWTp53 on primary cultures of radical prostatectomy specimens (RPS) and have also evaluated the gene therapeutic potential of the AdWTp53 in a nude mice model. Infection of primary cultures of prostate cancer specimens resulted in about 80% cell growth inhibition in comparison with cultures treated with control adenovirus dl312. Single injection of AdWTp53 into pre-established tumor nodules of DUI45 prostate cancer cells suppressed tumor growth significantly (p = 0.0407) as determined by comparison of tumor volumes of the AdWTp53-treated vs. control vector (dl312) or PBS-treated groups. Moreover, there was no significant difference in tumor growth inhibition between single vs. multiple injections of AdWTp53. Our observations support the potential of AdWTp53 for gene therapy of prostate cancer.

Original languageEnglish (US)
Pages (from-to)377-382
Number of pages6
JournalInternational Journal of Cancer
Volume71
Issue number3
DOIs
StatePublished - Jun 9 1997

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Adenoviridae
Prostatic Neoplasms
Injections
Growth
Neoplasms
p53 Genes
Prostatectomy
Tumor Burden
Nude Mice
Genetic Therapy
Infection
Genes

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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Inhibition of the growth of pre-established subcutaneous tumor nodules of human prostate cancer cells by single injection of the recombinant adenovirus p53 expression vector. / Asgari, Kekule; Sesterhenn, Isabell A.; McLeod, David G.; Cowan, Kenneth; Moul, Judd W.; Seth, Prem; Srivastava, Shiv.

In: International Journal of Cancer, Vol. 71, No. 3, 09.06.1997, p. 377-382.

Research output: Contribution to journalArticle

Asgari, Kekule ; Sesterhenn, Isabell A. ; McLeod, David G. ; Cowan, Kenneth ; Moul, Judd W. ; Seth, Prem ; Srivastava, Shiv. / Inhibition of the growth of pre-established subcutaneous tumor nodules of human prostate cancer cells by single injection of the recombinant adenovirus p53 expression vector. In: International Journal of Cancer. 1997 ; Vol. 71, No. 3. pp. 377-382.
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