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Synergistic Effect of Ultrasound and Hematoporphyrin on Sarcoma 180

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Yumita, Nagahiko, Nishigaki, Ryuichiro, Umemura, Koshiro, Umemura, Shin‐ichiro·1990·Japanese Journal of Cancer Research

Abstract

The antitumor effects of combined use of ultrasound (US) and a photosensitizer, hematoporphyrin (Hp), were determined in mice bearing sarcoma 180. In order to find the optimum timing of the US irradiation after the administration of Hp, the Hp concentrations in the tumor and in the plasma were determined and were analyzed pharmacokinetically. Antitumor effects were evaluated by measuring the tumor size and the tumor weight. Hp alone showed no antitumor effect but US alone showed a slight antitumor effect. The combined treatment with US and Hp showed marked synergistic effects on sarcoma 180 (inhibition ratio was 74% of the control). From these results, the enhancement of antitumor effect is thought to be caused by the sensitization of tumor cells to US mediated by Hp.

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Crossref · 10.1111/j.1349-7006.1990.tb02565.x

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Metadata

Authors
Yumita, N., Nishigaki, R., Umemura, K., & Umemura, S.
Venue
Japanese Journal of Cancer Research
Publisher
Wiley
Published
1990-03
Volume
81
Issue
3
Pages
304-308
ISSN
0910-5050 (ISSN-L)
OpenAlex
W1972025205
Cited by
174
References
0
FWCI
2.99
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Synergistic Effect of Ultrasound and Hematoporphyrin on Sarcoma 180. https://app.cochat.ai/papers/10.1111/j.1349-7006.1990.tb02565.x
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Yumita, N., Nishigaki, R., Umemura, K., & Umemura, S. (1990). Synergistic Effect of Ultrasound and Hematoporphyrin on Sarcoma 180. Japanese Journal of Cancer Research. https://doi.org/10.1111/j.1349-7006.1990.tb02565.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.