Cytomorphological changes caused by hematoporphyrin derivative and photodynamic therapy

H. Kato, K. Aizawa, H. Shinohara, C. Konaka, K. Nishimiya, Norihiko Kawate, K. Yoneyama, H. Takahashi, M. Saito, Ming Shyan Hung Ming Shyan, T. Tomono, K. Kinoshita, I. Yoshihama, Y. Hayata

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Cytomorphological changes caused by hematoporphyrin derivative and laser photoradiation were investigated both in vitro and in vivo. In clinical materials the changes of lung cancer cells after laser photoradiation were examined and mouse kidney sarcoma cells were studied by phase contrast microscopy, and electron microscopy. The changes showed swelling of cytoplasm, eosinophilic staining of cytoplasm and nucleolysis 10 minutes after commencement of photoradiation and subsequently vacuolization of cytoplasm and necrosis of cancer cells occurring 24 hours after photoradiation therapy. In a phase contrast microscopy study, halting of cellular movement 5 minutes after commencement of photoradiation and swelling of the cytoplasm began 10 minutes after commencement of photoradiation. An electron microscopy study showed that initial morphological changes occurred at the mitochondria and were followed by swelling of endoplasmic reticulum and decrease of free ribosome.

Original languageEnglish
Pages (from-to)13-27
Number of pages15
JournalLasers in the Life Sciences
Volume1
Issue number1
Publication statusPublished - 1986
Externally publishedYes

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Hematoporphyrin Derivative
Photochemotherapy
Cytoplasm
Light
Phase-Contrast Microscopy
Electron Microscopy
Lasers
Phototherapy
Ribosomes
Sarcoma
Endoplasmic Reticulum
Lung Neoplasms
Mitochondria
Necrosis
Staining and Labeling
Kidney
Neoplasms

ASJC Scopus subject areas

  • Medicine (miscellaneous)

Cite this

Kato, H., Aizawa, K., Shinohara, H., Konaka, C., Nishimiya, K., Kawate, N., ... Hayata, Y. (1986). Cytomorphological changes caused by hematoporphyrin derivative and photodynamic therapy. Lasers in the Life Sciences, 1(1), 13-27.

Cytomorphological changes caused by hematoporphyrin derivative and photodynamic therapy. / Kato, H.; Aizawa, K.; Shinohara, H.; Konaka, C.; Nishimiya, K.; Kawate, Norihiko; Yoneyama, K.; Takahashi, H.; Saito, M.; Hung Ming Shyan, Ming Shyan; Tomono, T.; Kinoshita, K.; Yoshihama, I.; Hayata, Y.

In: Lasers in the Life Sciences, Vol. 1, No. 1, 1986, p. 13-27.

Research output: Contribution to journalArticle

Kato, H, Aizawa, K, Shinohara, H, Konaka, C, Nishimiya, K, Kawate, N, Yoneyama, K, Takahashi, H, Saito, M, Hung Ming Shyan, MS, Tomono, T, Kinoshita, K, Yoshihama, I & Hayata, Y 1986, 'Cytomorphological changes caused by hematoporphyrin derivative and photodynamic therapy', Lasers in the Life Sciences, vol. 1, no. 1, pp. 13-27.
Kato, H. ; Aizawa, K. ; Shinohara, H. ; Konaka, C. ; Nishimiya, K. ; Kawate, Norihiko ; Yoneyama, K. ; Takahashi, H. ; Saito, M. ; Hung Ming Shyan, Ming Shyan ; Tomono, T. ; Kinoshita, K. ; Yoshihama, I. ; Hayata, Y. / Cytomorphological changes caused by hematoporphyrin derivative and photodynamic therapy. In: Lasers in the Life Sciences. 1986 ; Vol. 1, No. 1. pp. 13-27.
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AU - Kawate, Norihiko

AU - Yoneyama, K.

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