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Satoshi Nakanishi,Takashi Kuramoto,Tadao Serikawa 한국실험동물학회 2009 Laboratory Animal Research Vol.25 No.1
A novel genotyping method, the Amp-FTA method, has been developed by combining the advantages of the Ampdirect® Plus and FTA® technologies. This method allowed the direct PCR amplification of DNA from unpurified blood immobilized on the FTA® card. PCR templates were prepared only by punching out the discs from the FTA® card, which could lead to a foolproof way of genotyping. The PCR products obtained could be subjected to downstream analyses such as restriction enzyme treatment and direct sequencing. The Amp-FTA method was applicable to buccal swabs collected by a simple technique minimizing distress to animals. Therefore, the Amp-FTA method is ideal for the genotyping and genetic monitoring of laboratory animals.
Development of Prototype Supporting Mechanism Based on Measurement of Standup Motions
Naoya Nakanishi,Taigi Suzuki,Yuta Hongo,Satoshi Iso,Takashi Oogawara,Nobuto Matsuhira 제어로봇시스템학회 2015 제어로봇시스템학회 국제학술대회 논문집 Vol.2015 No.10
To develop a mechanism that will support the standup motions of elderly people, a control method and operation-start condition are proposed using a measurement apparatus. On the basis of those results, a support mechanism is then designed with a practical size and experiments are conducted to verify its effectiveness. In younger subjects, the floor’s reaction force decreases when the support mechanism is used, which is the same effect gained when the measurement apparatus is used. However, similar effectiveness is not seen in elderly subjects because of the different way in which they hold the handrail. Thus, in the future, the mechanism’s design will be revised, taking into consideration the elderly’s specific characteristics.
Tomonori Nakanishi,Tadaaki Tokunaga,Takafumi Ishida,Ikuo Kobayashi,Yuta Katahama,Azusa Yano,Laurie Erickson,Satoshi Kawahara 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.4
Objective: Autophagy is a bulk degradation system for intracellular proteins which contributes to skeletal muscle homeostasis, according to previous studies in humans and rodents. However, there is a lack of information on the physiological role of autophagy in the skeletal muscle of meat animals. This study was planned as a pilot study to investigate changes in expression of two major autophagy-related genes, microtubule-associated protein 1 light chain 3β (MAP1LC3B) and autophagy related 7 (ATG7) in fattening beef cattle, and to compare them with skeletal muscle growth. Methods: Six castrated Japanese Black cattle (initial body weight: 503±20 kg) were enrolled in this study and fattened for 7 months. Three skeletal muscles, M. longissimus, M. gluteus medius, and M. semimembranosus, were collected by needle biopsy three times during the observation period, and mRNA levels of MAP1LC3B and ATG7 were determined by quantitative reverse-transcription polymerase chain reaction. The expression levels of genes associated with the ubiquitin-proteasome system, another proteolytic mechanism, were also analyzed for comparison with autophagy-related genes. In addition, ultrasonic scanning was repeatedly performed to measure M. longissimus area as an index of muscle growth. Results: Our results showed that both MAP1LC3B and ATG7 expression increased over the observation period in all three skeletal muscles. Interestingly, the increase in expression of these two genes in M. longissimus was highly correlated with ultrasonic M. longissimus area and body weight. On the other hand, the expression of genes associated with the ubiquitin-proteasome system was unchanged during the same period. Conclusion: These findings suggest that autophagy plays an important role in the growth of skeletal muscle of fattening beef cattle and imply that autophagic activity affects meat productivity.
Adaptation of Journal Article Tag Suite XML for Japanese humanities papers
Hidehiko Nakanishi,Tsuyoshi Yamamoto,Nao Hattori,Satoshi Taga 한국과학학술지편집인협의회 2018 Science Editing Vol.5 No.2
Out of East Asian languages which do not use the Latin alphabet, Japanese is a very complicated writing system that uses “kanji,” which are ideograms, and “kana,” which are phonetic characters. Most of the Japanese papers published so far using Journal Article Tag Suite (JATS) are science, technology, and medicine fields adapting horizontal writing systems, which are structurally consistent with English papers. Most of them only replace Latin letters with Japanese characters. In this presentation, we suggested method of presenting vertically oriented Japanese humanities articles in JATS XML. For vertical description of Chinese numeric, we would like to propose the introduction of an element which specifies description direction. Alternatively, <styled-content> could be used as a hidden command when creating a document. We propose the following notation in the part of the number that can be converted: <styled-content style-type=“numeric”>六五</styled-content>. Chinese numeric 六五 is a Arabic numeric 65. With this, it is shown that 六五 of Chinese numerals can be converted to 65 in Arabic numerals. For vertical text description with JATS, we would like to suggest adding @ writing-mode as an attribute to <article>:<article writing-mode=“ vertical”>. Furthermore, note and references should be differentiated for example, between a <mixed-citation> and a <note>in the future. As Kanji are ideograms, there are variations that cannot be expressed with UTF-8. If these difficult Kanji are included in the JATS text, it will be necessary to decide on their description method. For the propagation of use of JATS XML for non-Latin characters articles, the structure of the document for example, vertical description, and special presentation should be considered more widely.
Genetic Quality Control of the Rat Strains at the National Bio Resource Project-Rat
Kuramoto, Takashi,Nakanishi, Satoshi,Yamasaki, Ken-ichi,Kumafuji, Kenta,Sakakibara, Yuichi,Neoda, Yuki,Takizawa, Akiko,Kaneko, Takehito,Otsuki, Mito,Hashimoto, Ryoko,Voigt, Birger,Mashimo, Tomoji,Seri Korean Society for Bioinformatics 2010 Interdisciplinary Bio Central (IBC) Vol.2 No.4
The National Bio Resource Project-Rat (NBRP-Rat) comprises the largest bank of laboratory rat (Rattus norvegicus) strains in the world. Its main focus is to develop infrastructure that will facilitate the systematic collection, preservation, and provision of rat strains. To breed effectively more than 180 rat strains in living stock, we establish the genetic control system in which a systematic set of genetic diagnoses and genetic monitoring are included. Genetic monitoring is performed by using 20 polymorphic markers. Monitoring is carried out when a living animal stock is re-established by using cryopreserved embryos or sperm or when a rat strain is first introduced to the NBRP-Rat by a depositor. Additional monitoring is then carried out on each strain every two years. Genetic diagnosis is performed largely by employing the Amp-FTA method. Protocols which detail how to perform a genetic diagnosis of 11 transgenes and 24 mutations have been made. Among the mutations, nine can be detected by simple gel electrophoresis of the PCR products, 11 by restriction enzyme treatment of the PCR products, and four by direct PCR product sequencing. Using this genetic control system, the NBRP-Rat can guarantee the genetic quality of its rat strains.