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[in Japanese]
1990 Volume 10 Issue 2 Pages
93-104
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Satoshi MIKI
1990 Volume 10 Issue 2 Pages
105-123
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Tsunahiro NAKAMURA
1990 Volume 10 Issue 2 Pages
124-130
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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To clarify biochemical characteristics of tumor growth and/or invasion, the energy status of oral squamous cell carcinomas was investigated by measuring adenine nucleotides and correlating with morphological features. For this purpose, tumors originating from human squamous cell carcinoma of the tongue that had been transplanted into nude mice, and surgically resected human oral squamous cell carcinomas were used as materials. Adenine nucleotides, ATP, ADP and AMP, were measured with HPLC, revealing differences in relative concentrations between active and inactive regions of tumor growth and/or invasion. Specifically, the relative concentration of ATP was found to be high in regions where tumor growth and/or invasion seemed most active. Energy charge ratio was also high in those regions. These results suggest that adenine nucleotide metabolism may play some role in growth and/or invasion of oral squamous cell carcinoma.
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Hideaki NARUSAWA
1990 Volume 10 Issue 2 Pages
131-136
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Shigeki HORIUCHI
1990 Volume 10 Issue 2 Pages
137-148
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Ken-ichi UESUGI, Masami AKABORI, Tomohiro OKANO
1990 Volume 10 Issue 2 Pages
149-153
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Physical Characteristic on Echo Level
Chizuko MAKI, Tomohiro OKANO, Yoshinobu SHIBASAKI, Tatsuo FUKUHARA
1990 Volume 10 Issue 2 Pages
154-157
Published: June 30, 1990
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Chizuko MAKI, Tomohiro OKANO, Yoshinobu SHIBASAKI, Tatsuo FUKUHARA
1990 Volume 10 Issue 2 Pages
158-162
Published: June 30, 1990
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Hiroshi NOJIMA
1990 Volume 10 Issue 2 Pages
163-176
Published: June 30, 1990
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Harunobu SHIMA, Kohsuke OHNO, Toshiyuki SHIMIZU, Ken-ichi MICHI, Kaoru ...
1990 Volume 10 Issue 2 Pages
177-184
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Koichi INOUE, Kiseko KAMATAKI, Takasi MACHIDA, Mari ARIMA, Haruji WATA ...
1990 Volume 10 Issue 2 Pages
185-189
Published: June 30, 1990
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Yukari MORIMOTO, Hiromi KATOH, Gen NAKAMURA, Koukichi MATSUMOTO
1990 Volume 10 Issue 2 Pages
190-195
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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Nobuyuki TSUZUKI
1990 Volume 10 Issue 2 Pages
196-202
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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This report compares tissue irritation by a newly developed calcium-based root canal filling material with irritation by previously available materials and evaluates the toxicity of various components in the root canal filling material. Polyethylene tubes filled with root canal filling materials were implanted in rat subcutaneous tissue, enucleated after 2, 4, 8 and 12 weeks, and histopathologically evaluated for tissue reaction. The tissue inflammation was microscopically evaluated and divided into 4 grades. The new root canal filling material has good tissue affinity compared to prior material. Transmission electronic microscopy and X-ray analysis revealed : titanium in AH-26; barium and bismuth in. Canals, Tubli-seal and the newly developed root canal filling cement A; and zinc in the root canal filling cement B. Tissue was variously inflamed and, occasionally, necrosis was induced in the cells. The newly developed root canal filling cement A, showed better tissue affinity and no or slightly morphology change
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Koukichi MATSUMOTO, Takao OYAMA, Tetsuya SHIRASUKA, Hajime WAKABAYASHI
1990 Volume 10 Issue 2 Pages
203-205
Published: June 30, 1990
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Tetsuya SHIRASUKA, Hajime WAKABAYASHI, Kazuhiro DEBARI, Tetsuo KODAKA, ...
1990 Volume 10 Issue 2 Pages
206-215
Published: June 30, 1990
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Haruki KANEKO, Takahisa SASAKI, Takeshi SAITOH, Shohei HIGASHI
1990 Volume 10 Issue 2 Pages
216-227
Published: June 30, 1990
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[in Japanese], [in Japanese]
1990 Volume 10 Issue 2 Pages
229-231
Published: June 30, 1990
Released on J-STAGE: August 27, 2012
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