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Featured researches published by Yoshiro Murai.


Mechanisms of Ageing and Development | 1988

Serum erythropoietin titers in the aged

Mayumi Mori; Yoshiro Murai; Makiko Hirai; Mutsumi Kawakami; Tsunehiro Saito; Naoki Takanashi; Akio Urabe; Fumimaro Takaku

Erythropoietin (Epo) titers in the aged (from 70 to 89 years) were determined by a radioimmunoassay. Epo levels in normal elderly subjects were not different from levels in the young volunteers. The serum Epo levels in elderly patients with anemia were inversely related to hemoglobin levels; their regression coefficient was not worse than that found in young patients. It is suggested that the reactivity of Epo production to anemia in the aged may not be worse than that reactivity in the young.


Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine | 1984

A case of primary adult Fanconi syndrome with refractory anemia closely related to sideroblastic anemia

Yoshiro Murai; Kenji Ikebuchi; Makiko Fukayama; Akiyoshi Miwa; Masataka Siraki; Mayumi Mori; Takuo Shirakura

Fanconi症候群にsideroblastic anemia様のrefractory anemiaを合併した症例を報告し,考察を加えた.症例は92才,女性. Cd汚染地区での居住歴なし. 1972年動悸,息切れ,貧血,腰痛があつた. 1976年11月貧血の精査のため当院入院.肝脾腫なし.入院時検査所見で代謝性アシドーシスを認めた. NH4Cl負荷試験で尿酸性化能の障害があり,遠位尿細管障害の存在が考えられた.腎性糖尿,低燐血症,高燐尿症に加え,汎アミノ酸尿および骨X線像での骨萎縮像などの成績より, Fanconi症候群と診断された.骨髄腫および後天的にFanconi症候群を来すとされる要因は認めなかつた.活性型ビタミンDに反応し,腰痛,腎性糖尿,低燐血症の改善を認めたが, 1981年4月うつ血性心不全に血管内凝固症候群を併発し死亡した.剖検では両側腎とも著明に萎縮し,組織学的には細動脈硬化像によるnephronの荒廃に加え,間質性腎炎像を強く認めた,骨は典型的ではないが, osteoporo-malaticな変化があつた.本症例は低色素性,小球性貧血を合併していた.骨髄では赤芽球過形成(環状担鉄芽球(〓))に加えて,無効造血の存在,骨髄赤芽球δALA合成酵素低値,ヘモグロビン異常を認めるなどの成績より, refractory anemiaと診断された. Fanconi症候群と, refractory anemiaが合併したことは,両疾患の悪性腫瘍との関係を考慮すると,両者の病態を検討する際,示唆にとむ点と思われた.


Japanese journal of geriatrics | 1984

[Clinicopathological study of non-Hodgkin's lymphomas--age group study].

Mayumi Mori; Yoshiro Murai; Akiyoshi Miwa; Makiko Fukayama; Kenji Ikebuchi; Nakamura N; Takuo Shirakura; Mori S

1962年~1981年に養育院及び東大病院を受診したリンパ節原発と思われる非ホジキンリンパ腫265例について, 老年者悪性リンパ腫の特徴を明らかにする目的で, 0~19歳, 20~39歳, 40~64歳, 65歳以上の4群に分け, 組織型, 免疫学的性状, 白血化の有無, 初発症状, 予後について検討した. 老年者非ホジキンリンパ腫の特徴として, 1) 瀰漫性リンパ腫大細胞型及び中細胞型が多く認められる. 2) B細胞型リンパ腫が比較的多い. 3) 白血化は比較的しにくい. 4) 予後が他の群に比し劣悪である. の4点が認められた.


Blood | 2002

Clinical significance of phenotypic features of blasts in patients with myelodysplastic syndrome

Kiyoyuki Ogata; Kyoko Nakamura; Norio Yokose; Hideto Tamura; Mikiko Tachibana; Osamu Taniguchi; Rika Iwakiri; Tatsuyuki Hayashi; Hisashi Sakamaki; Yoshiro Murai; Kaoru Tohyama; Shigeru Tomoyasu; Yasunobu Nonaka; Mayumi Mori; Kazuo Dan; Yataro Yoshida


Nippon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics | 1978

Changes of Peripheral Blood Figures and Erythropoiesis in the Aged

Takuo Shirakura; Yoshiro Murai; Toshio Takeda; Tokuo Mori


Nihon Naika Gakkai Zasshi | 1989

乳酸アシドーシス,反復性急性腫瘍崩壊症候群,および末期にGuillain-Barré症候群を合併したB細胞性非ホジキンリンパ腫の1例

Hirokazu Kurata; Makiko Hirai; Akiyoshi Miwa; Yoshiro Murai; Mayumi Mori


Nihon Naika Gakkai Zasshi | 1999

Anemia Advances in diagnosis and treatments. II. Practice of diagnosis and treatments. 8. Anemia of old people.

Yoshiro Murai


Japanese journal of geriatrics | 1985

[Malignant lymphoma of the elderly--evaluation of undiagnosed cases].

Makiko Fukayama; Yoshiro Murai; Kenji Ikebuchi; Akiyoshi Miwa; Mayumi Mori


Archive | 2013

myelodysplastic syndromes Clinical significance of phenotypic features of blasts in patients with

Shigeru Tomoyasu; Yasunobu Nonaka; Mayumi Mori; Kazuo Dan; Rika Iwakiri; Tatsuyuki Hayashi; Hisashi Sakamaki; Yoshiro Murai; Kaoru Tohyama; K. Ogata; Kyoko Nakamura; Norio Yokose; Hideto Tamura; Mikiko Tachibana


Blood | 2006

Clinical Analysis of Adult Acute Leukemia with Rearrangements of the 11q23/MLL: Multicenter Co-Operative Study.

Hayato Tamai; Hiroki Yamaguchi; Hiroyuki Hamaguchi; Humiharu Yagasaki; Masami Bassyo; Takeshi Kobayashi; Hideki Akiyama; Hisashi Sakamaki; Satoshi Takahashi; Arinobu Tojo; Ken Ohmine; Keiya Ozawa; Hirokazu Okumura; Shinji Nakao; Ayako Arai; Osamu Miura; Shigeo Toyoda; Seiji Gomi; Yoshiro Murai; Noriko Usui; Keisuke Miyazawa; Kazuma Ohyashiki; Naoto Takahashi; Kenichi Sawada; Atsushi Kato; Kazuo Oshimi; Koiti Inokuchi; Kazuo Dan

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Kazuo Dan

Nippon Medical School

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Kaoru Tohyama

Tokyo University of Science

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Rika Iwakiri

Tokyo University of Science

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