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20 results on '"Tanaka, Takahisa"'

10. A successful case of recovery from cardiopulmonary arrest caused by eosinophilic granulomatosis with polyangiitis with multivessel acute myocardial infarction

Author

Souma Yusuke, Kato Ryuichi, Yoshida Yoshinori, Tanaka Takahisa, Tatebayashi Takayuki, Noji Sakashi, Murata Teppei, and Kuwada Masao

Subjects
medicine.medical_specialty, Thesaurus (information retrieval), business.industry, Internal medicine, Eosinophilic, medicine, Cardiology, Myocardial infarction, medicine.disease, business, Granulomatosis with polyangiitis
Published
2018

11. Genetic variation in Miscanthus floridulus (Labill.) Warb. ex K. Schum. et Lauterb. populations in Japan revealed by nuclear DNA markers

Author

Ibaragi, Yasushi, Tanaka, Takahisa, Yonekura, Koji, Kuoh, Chang-Sheng, and Suzuki, Mitsuo

Abstract

日本産および台湾産のトキワススキについて，遺伝的多様度を解析した。その結果，3個体については，遺伝子に変異が見いだされたが，日本のトキワススキは殆どがクローンであった。これに対して台湾のトキワススキは，多様な遺伝子型よりなる集団であった。もし日本のトキワススキが在来種だとすると，現在では，その殆どが１クローンになってしまっていることになる。しかし野外での観察や聞き取り結果などもふまえると，日本のトキワススキは移入個体が人為的に増殖された可能性がある。後者の場合は，絶滅危惧種として保全する必要はなくなるだろう。また，前者の場合も，現在の分布域の全部ないし一部が，本来の自生地ではなく移入されたものである可能性が残る。いずれにせよ，日本の個体群の起源については，他のアジア地域の個体群との比較を含めた再検討が必要となる。また，遺伝的な差異の見られた日本産の3個体については，いずれも少数の遺伝子しか異なっておらず，近縁種はおろか，別遺伝子型他個体との交雑も考えにくく，該当遺伝子座の突然変異の可能性が高いと考えられる。

Published
2013

12. Modulation of VO2 Metal–Insulator Transition by Ferroelectric HfO2 Gate Insulator.

Author

Yajima, Takeaki, Nishimura, Tomonori, Tanaka, Takahisa, Uchida, Ken, and Toriumi, Akira

Subjects
METAL-insulator transitions, TRANSITION metals, FERROELECTRIC transitions, INSULATING materials, FERROELECTRIC materials, PHASES of matter, METAL oxide semiconductor field-effect transistors, ELECTROSTATICS
Abstract

Ferroelectric gating of functional materials has often suffered because ferroelectric materials are poor insulators. In this study, the recently reported ferroelectric HfO2, a large band‐gap oxide with excellent insulating properties, is exploited for electrostatically gating the archetypical metal–insulator transition material, VO2. By protecting the meta‐stable ferroelectric phase from deterioration, the ferroelectric gating is successfully demonstrated with an ultra‐thin VO2 channel in the back‐gate geometry. The observed modulation of the VO2 channel conductivity is originated from the ferroelectric polarization reversal in the HfO2 gate insulator combined with the VO2 metal–insulator transition. These results demonstrate the significant potential of ferroelectric HfO2 for electrostatically controlling the state of matter for both fundamental research and device application. [ABSTRACT FROM AUTHOR]

Published
2020
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14. A Morbid Obese Japanese Woman with a Body Mass Index of 83.2 kg/m2: Before and after Sleeve Gastrectomy

Author

Goto, Maki, primary, Inoue, Kaori, additional, Tanaka, Takahisa, additional, Kaneko, Yuri, additional, Goto, Atsushi, additional, Imai, Kenjiro, additional, Ihana, Noriko, additional, Tsujimoto, Tetsuro, additional, Kosuga, Yuka, additional, Seki, Yosuke, additional, Kasama, Kazunori, additional, Yasuda, Kazuki, additional, Kishimoto, Miyako, additional, Takahashi, Yoshihiko, additional, Kajio, Hiroshi, additional, and Noda, Mitsuhiko, additional

Published
2012
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17. Use of Insulin Glargine in Japanese Patients with Type 1 Diabetes

Author

Yamamoto-Honda, Ritsuko, primary, Takahashi, Yoshihiko, additional, Yoshida, Yoko, additional, Hara, Yoko, additional, Kawai, Atsuo, additional, Kitazato, Hiroji, additional, Tanaka, Takahisa, additional, Kajio, Hiroshi, additional, Kikuchi, Masatoshi, additional, Akanuma, Yasuo, additional, and Noda, Mitsuhiko, additional

Published
2007
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20. Coexistence Case of Papillary Fibroelastoma and Lambl's Excrescence of the Left Heart, Which Is Occasionally Associated with Significant Stroke.

Author

Unno T, Kato R, Kuwada M, Ishino M, Nagase T, Tanaka T, Yoshino C, Nishida T, Yoshida Y, Oyama R, Kikuchi T, Tatebayashi T, and Kuwao S

Subjects
Male, Humans, Aged, Aortic Valve diagnostic imaging, Aortic Valve surgery, Aortic Valve pathology, Echocardiography, Transesophageal, Heart Valve Diseases complications, Cardiac Papillary Fibroelastoma complications, Stroke complications, Heart Neoplasms diagnosis, Heart Neoplasms diagnostic imaging
Abstract

Papillary fibroelastoma (PFE) is a benign tumor that arises mostly from left-sided valves. PFE can cause stroke, and surgical resection may be needed. Lambl's excrescence (LE) is a filiform valvular lesion and is considered a possible cause of stroke. A 79-year-old man with light-headedness and left-sided hemiparesis was diagnosed with stroke. Transesophageal echocardiography (TEE) revealed a round-shaped mobile mass in the left ventricular outflow tract (LVOT), which was considered the cause of the stroke. Surgical resection was performed transaortically, and during surgery, a mass was incidentally detected on the noncoronary cusp (NCC), which was also resected followed by aortic valve replacement. Pathology confirmed that the mass in the LVOT was a PFE and that the filiform mass on the NCC was LE. We herein report a rare case of PFE in the LVOT and coexisting LE on the NCC. A careful examination via TEE helps to identify other possible causes of stroke hidden behind the obvious cause.

Published
2024
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