Adenovirus mediated p53 tumour suppressor gene therapy for human gastric cancer cells in vitro and in vivo
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View abstract on PubMed
Summary
This summary is machine-generated.Gene therapy using adenovirus-mediated wild type p53 (AdCAp53) shows potential for treating gastric cancer. This approach effectively inhibited the growth of p53-mutated gastric cancer cells in vitro and in vivo.
Area Of Science
- Oncology
- Molecular Biology
- Gene Therapy
Background
- Gastric cancer is highly prevalent in East Asia.
- Over 60% of gastric cancers involve p53 gene mutations, leading to genetic instability.
- p53 gene mutations are a key factor in gastric cancer development.
Purpose Of The Study
- To evaluate the therapeutic potential of p53 gene therapy for gastric cancer.
- To assess the efficacy of adenovirus-mediated wild type p53 gene transfer.
Main Methods
- In vitro analysis of human gastric cancer cell lines (MKN1, MKN7, MKN28, MKN45, TMK-1) treated with AdCAp53.
- In vivo assessment of AdCAp53 efficacy on subcutaneous tumors in nude mice.
Main Results
- AdCAp53 induced p53-specific growth inhibition in vitro in p53-mutated cell lines.
- Apoptosis was identified as the mechanism of cancer cell death induced by AdCAp53.
- In vivo, AdCAp53 significantly inhibited the growth of p53 mutant MKN1 tumors but not wild-type MKN45 tumors.
Conclusions
- Adenovirus-mediated reintroduction of wild type p53 demonstrates potential clinical utility.
- p53 gene therapy offers a promising avenue for gastric cancer treatment.
- Targeting p53 mutations is a viable strategy in gastric cancer therapy.
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