http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Nakatani, Jin,Tamada, Kota,Hatanaka, Fumiyuki,Ise, Satoko,Ohta, Hisashi,Inoue, Kiyoshi,Tomonaga, Shozo,Watanabe, Yasuhito,Chung, Yeun Jun,Banerjee, Ruby,Iwamoto, Kazuya,Kato, Tadafumi,Okazawa, Makoto Cell Press 2009 Cell Vol.137 No.7
<P><B>Summary</B></P><P>Substantial evidence suggests that chromosomal abnormalities contribute to the risk of autism. The duplication of human chromosome 15q11-13 is known to be the most frequent cytogenetic abnormality in autism. We have modeled this genetic change in mice by using chromosome engineering to generate a 6.3 Mb duplication of the conserved linkage group on mouse chromosome 7. Mice with a paternal duplication display poor social interaction, behavioral inflexibility, abnormal ultrasonic vocalizations, and correlates of anxiety. An increased MBII52 snoRNA within the duplicated region, affecting the serotonin 2c receptor (5-HT2cR), correlates with altered intracellular Ca<SUP>2+</SUP> responses elicited by a 5-HT2cR agonist in neurons of mice with a paternal duplication. This chromosome-engineered mouse model for autism seems to replicate various aspects of human autistic phenotypes and validates the relevance of the human chromosome abnormality. This model will facilitate forward genetics of developmental brain disorders and serve as an invaluable tool for therapeutic development.</P>
Nakatani, M.,Kohda, C.,Inamoto, T.,Nakai, Y.,Ogimoto, K. Asian Australasian Association of Animal Productio 1994 Animal Bioscience Vol.7 No.4
High performance liquid chromatography (HPLC) analysis was applied for determination of guanine plus cytosine (G + C) contents of DNA of Butyrivibrio fibrisolvens. By values of G + C contents, a reference strain and 20 wild strains of B. fibrisolvens were classified into at least two distinct subgroups, i.e. G + C contents of 18 strains were 38-40 mol% and those of 3 strains including the reference strain were 43-45 mol%. Clear relationships were not observed between G + C contents and biological properties of 21 strains of B. Fibrisolvens.
A study on dynamics analysis of a small ship and pitch motion stabilization by engine speed control
Toshihiko NAKATANI,Keiji SASAYA,Tomoki OKU,Shigeki Tajika,Taizo KANEDA,Erika URA 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
This paper describes dynamics analysis of a small training ship and a possibility of ship pitching stabilization by adjusting engine speed. First, statistical analysis through multi-variate auto regressive(MAR) model is carried out. After upgrading the navigational system of an actual small training ship, in order to identify the model of the ship, the real data collected by sea trials on the ship were used. This analysis has shown that the pitching motion is influenced by the engine speed and it is suggested that there exists a possibility of reducing the pitching motion by controlling the engine throttle properly. Based on this observation, a new type of ship controller, which takes the pitching motion into account, is designed using the muti-variate modern control theory. Last, in order to evaluate the proposed controller, digital simulations by white noise are carried out. As results of simulations, the proposed system has good performance compared with the original data.
Left Ventricular Rotation and Twist: Why Should We Learn?
Satoshi Nakatani 한국심초음파학회 2011 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.19 No.1
The left ventricle twists in systole storing potential energy and untwists (recoils) in diastole releasing the energy. Twist aids left ventricular ejection and untwist aids relaxation and ventricular filling. Therefore, rotation and torsion are important in cardiac mechanics. However, the methodology of their investigations is limited to invasive techniques or magnetic resonance imaging. With the advent of speckle tracking echocardiography, however, rotation and torsion (twist) become familiar to echocardiographers. In this review, I outline the mechanism and influencing factors of rotation and torsion with the anticipation of the routine use of these measurements in clinical practice.
A Case of Sudden Cardiac Death due to Pilsicainide-Induced Torsades de Pointes
Shimpei Nakatani,Masayuki Taniike,Nobuhiko Makino, MD,Yasuyuki Egami,Ryu Shutta,Jun Tanouchi,Masami Nishino 대한심장학회 2014 Korean Circulation Journal Vol.44 No.2
An 84-year-old male received oral pilsicainide, a pure sodium channel blocker with slow recovery kinetics, to convert his paroxysmal atrialfibrillation to a sinus rhythm; the patient developed sudden cardiac death two days later. The Holter electrocardiogram, which was wornby chance, revealed torsade de pointes with gradually prolonged QT intervals. This drug is rapidly absorbed from the gastrointestinal tract,and most of it is excreted from the kidney. Although the patient’s renal function was not highly impaired and the dose of pilsicainide waslow, the plasma concentration of pilsicainide may have been high, which can produce torsades de pointes in the octogenarian. Althoughthe oral administration of class IC drugs, including pilsicainide, is effective to terminate atrial fibrillation, careful consideration must betaken before giving these drugs to octogenarians.
Dynamics Analysis and Optimal Control of a Marine Diesel Engine
Toshihiko NAKATANI,Takashi MIWA,Naohiro YAMATANI,Keiji SASAYA,Daiki OKADA,Taizo KANEDA,Emi KANAYAMA,Erika URA 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
This paper describes dynamics analysis of a governor-engine control system in a marine diesel engine and its optimal control at sea. A new governor system is developed which takes into account the ship’s motion, and the results of full-scale experiments using the new system are presented. Statistical analysis using a Multivariate Auto Regressive (MAR) model is performed on data collected from the sea trial of a small training ship, the Shioji Maru. It is shown that the speed of the ship’s propeller is strongly influenced by the ship’s pitching motion. Based on this observation, a new type of marine governor that takes the ship’s pitching motion into account is designed using modern multivariate control theory. Finally, full-scale experiments into the performance of the new system are conducted.