Effects of p53 gene therapy in radiotherapy or thermotherapy of human head and neck squamous cell carcinoma cell lines

Yuzuru Higuchi, Jun-Ichi Asaumi, Jun Murakami, Hidenobu Matsuzaki, Toru Wakasa, Tetsuyoshi Inoue, Hiroshi Shigehara, Hironobu Konouchi, Miki Hisatomi, Shoji Kawasaki, Yoshio Hiraki, Kanji Kishi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We report herein the effects of p53 gene therapy in the radiotherapy or thermotherapy of eight human head and neck squamous cell carcinoma (SCC) cell lines. The discrepancy between radiosensitivity combined with p53 gene therapy than that without p53 gene therapy increased among the eight SCC cell lines. The discrepancy increased in the thermosensitivity at 43°C and decreased in that at 44°C among the eight SCC cell lines. Thus, the p53 gene therapy did not always improve the discrepancy between radiosensitivity and thermosensitivity in the eight SCC cell lines. In the radiotherapy combined with adenoviral p53 gene therapy, the survival rates of three of eight SCC cell lines decreased, and that of only one cell line increased compared with radiotherapy alone. In thermotherapy combined with p53 gene therapy, the survival rates of three at 44°C and five at 43°C of the eight SCC cell lines decreased, although only one cell line at 43°C increased its survival rate compared with thermotherapy alone. The p53 gene therapy decreased the survival rates of both radiotherapy and thermotherapy in three of eight SCC cell lines. Further, the distribution of plots on the basis of the time for 10% survival of radiotherapy and the dose for 10% survival of thermotherapy with p53 gene therapy shifted to the lower left side of the plots compared with those without p53 gene therapy. These findings indicated that p53 gene therapy improves the effects of both radiotherapy and thermotherapy.

Original languageEnglish
Pages (from-to)671-677
Number of pages7
JournalOncology Reports
Volume10
Issue number3
Publication statusPublished - May 2003

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Induced Hyperthermia
p53 Genes
Genetic Therapy
Radiotherapy
Cell Line
Squamous Cell Carcinoma
Radiation Tolerance
Carcinoma, squamous cell of head and neck
Survival

Keywords

  • Gene therapy
  • Head and neck cancer
  • p53
  • Radiotherapy
  • Thermotherapy

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Effects of p53 gene therapy in radiotherapy or thermotherapy of human head and neck squamous cell carcinoma cell lines. / Higuchi, Yuzuru; Asaumi, Jun-Ichi; Murakami, Jun; Matsuzaki, Hidenobu; Wakasa, Toru; Inoue, Tetsuyoshi; Shigehara, Hiroshi; Konouchi, Hironobu; Hisatomi, Miki; Kawasaki, Shoji; Hiraki, Yoshio; Kishi, Kanji.

In: Oncology Reports, Vol. 10, No. 3, 05.2003, p. 671-677.

Research output: Contribution to journalArticle

Higuchi, Y, Asaumi, J-I, Murakami, J, Matsuzaki, H, Wakasa, T, Inoue, T, Shigehara, H, Konouchi, H, Hisatomi, M, Kawasaki, S, Hiraki, Y & Kishi, K 2003, 'Effects of p53 gene therapy in radiotherapy or thermotherapy of human head and neck squamous cell carcinoma cell lines', Oncology Reports, vol. 10, no. 3, pp. 671-677.
Higuchi, Yuzuru ; Asaumi, Jun-Ichi ; Murakami, Jun ; Matsuzaki, Hidenobu ; Wakasa, Toru ; Inoue, Tetsuyoshi ; Shigehara, Hiroshi ; Konouchi, Hironobu ; Hisatomi, Miki ; Kawasaki, Shoji ; Hiraki, Yoshio ; Kishi, Kanji. / Effects of p53 gene therapy in radiotherapy or thermotherapy of human head and neck squamous cell carcinoma cell lines. In: Oncology Reports. 2003 ; Vol. 10, No. 3. pp. 671-677.
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AB - We report herein the effects of p53 gene therapy in the radiotherapy or thermotherapy of eight human head and neck squamous cell carcinoma (SCC) cell lines. The discrepancy between radiosensitivity combined with p53 gene therapy than that without p53 gene therapy increased among the eight SCC cell lines. The discrepancy increased in the thermosensitivity at 43°C and decreased in that at 44°C among the eight SCC cell lines. Thus, the p53 gene therapy did not always improve the discrepancy between radiosensitivity and thermosensitivity in the eight SCC cell lines. In the radiotherapy combined with adenoviral p53 gene therapy, the survival rates of three of eight SCC cell lines decreased, and that of only one cell line increased compared with radiotherapy alone. In thermotherapy combined with p53 gene therapy, the survival rates of three at 44°C and five at 43°C of the eight SCC cell lines decreased, although only one cell line at 43°C increased its survival rate compared with thermotherapy alone. The p53 gene therapy decreased the survival rates of both radiotherapy and thermotherapy in three of eight SCC cell lines. Further, the distribution of plots on the basis of the time for 10% survival of radiotherapy and the dose for 10% survival of thermotherapy with p53 gene therapy shifted to the lower left side of the plots compared with those without p53 gene therapy. These findings indicated that p53 gene therapy improves the effects of both radiotherapy and thermotherapy.

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