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Dive into the research topics where Tomonobu Kawabe is active.

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Featured researches published by Tomonobu Kawabe.


Journal of Gastroenterology and Hepatology | 2002

Detection of serum nitrite and nitrate in primary biliary cirrhosis: Possible role of nitric oxide in bile duct injury

Atsushi Hokari; Mikio Zeniya; Hiroyasu Esumi; Tomonobu Kawabe; M. Eric Gershwin; Gotaro Toda

Background: The role of nitric oxide synthase (NOS) in autoimmune disease is gaining increased attention because of the relationships between NOS activity and T‐lymphocyte subpopulations and, in particular, the influence of NO on cytokine production by Th1 versus Th2 cells. In addition, there is evidence that both the liver and infiltrating hepatic T cells have inducible NOS‐2 activity.


Hepatology Research | 2002

An experimental study on Nd–YAG laser induced thermotherapy: Its possible application of the laser irradiation for therapy of hepatocellular carcinoma

Tomohisa Ishikawa; Mikio Zeniya; Astushi Hokari; Tomonobu Kawabe; Kenji Suzuki; Kiyotaka Fujise; Gotaro Toda

It has been reported that the local thermotherapy is useful in treatment of hepatocelluar carcinoma complicated with severe liver cirrhosis (LC). We studied the effect of laser beam generated by a newly developed Nd-YAG laser system on liver tissue of piglet. The system was composed of their quartz bare fiber with a cone-shaped tip. After liver was exposed by incision of abdomen under general anesthesia, the fiber was inserted into liver tissue and then the laser beam was generated. The power, duration and frequency of irradiation were varied. The coagulated area was inspected measured and examined histologically. The system produced an oval-shaped coagulated area in front of the needle tip. Furthermore, the volume of tissue coagulated was correlated with the total output of laser, enabling us to estimate the coagulated volume based on the laser output applied. Our findings indicated that Nd-YAG laser-induced thermotherapy would be successfully applied for the clinical treatment of HCC.


Kanzo | 1999

A case of autoimmune hepatitis diagnosed as liver cirrhosis after 13 yeares following uup without corticosteroid therapy

Hiroshi Onoda; Hiroki Takahashi; Yoshio Aizawa; Masahisa Osada; Masaki Irie; Osamu Komuro; Hiroshi Abe; Yuhshi Kuniyasu; Kazuhiko Koike; Tomofumi Atarashi; Yasuyuki Enomoto; Jouji Okuda; Atsushi Hokari; Shinichi Tsuno; Tomonobu Kawabe; Fumitoki Watanabe; Mikio Zeniya; Gotaro Toda; Yusei Ikeda

症例は66歳女性. 1984年に全身倦怠感を主訴に入院. 血液検査および肝生検により自己免疫性肝炎 (Autoimmune hepatitis: AIH) が疑われた. ALT上昇は軽度で安静により自覚症状が改善したため, 患者は副腎皮質ステロイド治療を希望せず, その後医療機関を受診しなかった. 1994年に再受診した際にALTの上昇を認め, ウルソデオキシコール酸 (UDCA) 投与によりALTは持続的に改善したが, 1997年に施行した肝生検で高度な活動性を伴う肝硬変への進展が確認された. 無治療のAIH症例の長期予後を検討し得た報告は極めて稀であり, ALT上昇が軽度で無症状のAIH症例の治療法を考慮するうえで示唆に富む症例と考えられる.


Kanzo | 1997

A case of chronic hepatitis C much improved by IFN therapy using G-CSF for obvious neutropenia.

Sadamu Homma; Atushi Hokari; Tomonobu Kawabe; Shigeo Koido; Gotara Toda; Masaaki Suzuki

症例は26歳, 女性. 昭和51年, 7歳時交通事故のため大量輸血を受け, 輸血後肝炎を発症. その後肝障害が持続し, 平成3年, HCV抗体陽性のC型慢性肝炎と診断された. 平成4年10月, IFN-αによる治療を受けるも, 治療開始数日で好中球数が100/mm3台まで減少し, 治療を中止した. HCV-RNAは残存し肝障害も持続したため, 平成7年10月, G-CSFを併用したIFN-βによる治療を開始した. 100/mm3台まで低下した好中球数はG-CSFの投与により翌日には4, 000~8, 000/mm3まで上昇し, 4~5日で前値に復した. このため, 8週間のIFN-βの治療期間に7回のG-CSFの投与を行なった. 治療により血清GPT値の持続正常化と血中HCV-RNAの持続陰性化が得られ, IFN治療は著効と判断された. C型慢性肝炎のIFN治療において, IFNの副作用により著明な好中球減少を併発する例は, IFNとG-CSFの併用療法が有効であることを示唆する症例と考えられた.


Kanzo | 1992

Imaging and clinical features in cirrhotic patients complicated with hepatocellular carcinoma with a large spontaneous splenorenal shunt.

Mariko Itsubo; Shouta Hayashi; Shinichi Tsuno; Atsushi Hokari; Yasushi Okuaki; Yasuhiko Ookawa; Tomohisa Ishikawa; Masaki Hara; Masami Sakaguchi; Tomonobu Kawabe; Masashi Negishi; Nankei Aoyama; Goutaro Toda

巨大脾腎静脈短絡路を伴った小型肝細胞癌合併肝硬変症6例について,短絡路を伴わない症例をコントロールとして,画像および臨床像の特徴を検討した.特徴的な画像情報としては血管造影像より,門脈本幹径/脾静脈径は短絡路群では1以下でコントロール群より有意に小さかった.この事実,すなわち門脈本幹径が脾静脈径より小さいことは,画像検査の最初に行われる超音波断層検査の際に脾腎静脈短絡路を見出だすきっかけになりうると考えられた.内視鏡検査より脾腎静脈短絡路の発達は食道静脈瘤増悪の抑制効果が示唆されたが,一部の症例に伴っていた胃腎静脈短絡路の発達は胃静脈瘤形成への関与が推測された.臨床経過より短絡路群では肝性脳症が起こりやすいことが明らかであり,癌治療時のTAEやTAIなども誘因になりやすいため,この点留意すべきと考えられた.


Liver | 2008

HCV-marker-positive autoimmune-type chronic active hepatitis: a possible relation between HCV infection and liver autoreaction

Mikio Zeniya; Yoshio Aizawa; Fumitoki Watanabe; Tomonobu Kawabe; Masaki Hara; Masami Sakaguchi; Gotaro Toda


Hepato-gastroenterology | 2002

Subsegmental transcatheter arterial embolization for small hepatocellular carcinoma

Mariko Itsubo; Kazuhiko Koike; Shinichi Tsuno; Masahisa Osada; Osamu Komuro; Noritomo Shimada; Jouji Okuda; Hiroyuki Fukada; Yasushi Okuaki; Tomonobu Kawabe; Gotaro Toda


Kanzo | 1996

A case of hepatocelluler carcinoma with subcutaneous necrosis on upper abdominal wall after chemolipiodolization therapy.

Kazuhiko Koike; Mariko Itsubo; Masaki Hara; Yasuyuki Enomoto; Jyoji Okuda; Atsushi Hokari; Yasushi Okuaki; Masami Sakaguchi; Tomonobu Kawabe; Gotarou Toda


Kanzo | 1989

The role of splenic mononuclear cells on experimental liver damage.

Hirofumi Okoshi; Mikio Zeniya; Tomonobu Kawabe; Sanae Okuyama; Hitoshi Sata; Hiroki Takahashi; Masashi Negishi; Fumitoki Watanabe; Hiroshi Miyazaki; Nankei Aoyama; Yasushi Arashiyama; Hideki Ando; Hiroshi Takahashi; Yoshikazu Shimizu; Yoshio Aizawa; Mariko Itsubo; Ichiro Asukata; Haruo Kameda


Kanzo | 1988

Role of the spleen on liver fibrogenesis in experimental liver fibrosis.

Hiroshi Miyazaki; Hitoshi Sata; Tomonobu Kawabe; Sanae Okuyama; Hiroki Takahashi; Masashi Negishi; Fumitoki Watanabe; Hirofumi Okoshi; Nankei Aoyama; Yasushi Arashiyama; Hideki Ando; Yumiko Fujita; Hiroshi Takahashi; Masamichi Deura; Yoshikazu Shimizu; Yoshio Aizawa; Mikio Zeniya; Mariko Itsubo; Ichiro Asukata; Haruo Kameda; Mitsugu Tanaka

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Mikio Zeniya

Jikei University School of Medicine

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Gotaro Toda

Jikei University School of Medicine

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Mariko Itsubo

Jikei University School of Medicine

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Masami Sakaguchi

Jikei University School of Medicine

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Yoshio Aizawa

Jikei University School of Medicine

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Atsushi Hokari

Jikei University School of Medicine

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Fumitoki Watanabe

Jikei University School of Medicine

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Hiroki Takahashi

Jikei University School of Medicine

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Masaki Hara

Jikei University School of Medicine

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