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Transcriptomic analysis of Andrias davidianus meat and experimental validation for exploring its bioactive components as functional foods

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Food Science and Human Wellness 2024年第1期13卷 166-172页

作者： Changge Guan Zhenglin Tan Shucheng Li Yi Wang naoyuki yamamoto Chong Zhang Songjun Wang Junjie Chen Xinhui Xing Key Laboratory for Industrial Biocatalysis Ministry of Education of ChinaDepartment of Chemical EngineeringTsinghua UniversityBeijing 100084China School of Life Science and Technology Tokyo Institute of TechnologyYokohama 226-0026Japan Sensing System Research Center National Institute of Advanced Industrial Science and TechnologyTsukuba 305-8565Japan Center for Synthetic and Systems Biology Tsinghua UniversityBeijing 100084China Henan Giant Salamander Protection and Development Association Luoyang 471000China Intelligent Computing Research Center Harbin Institute of TechnologyShenzhen 518071China Institute of Biopharmaceutical and Health Engineering Tsinghua Shenzhen International Graduate SchoolShenzhen 518055China Institute of Biomedical Health Technology and Engineering Shenzhen Bay LaboratoryShenzhen 518067China

Andrias davidianus(Chinese giant salamander,CGS)is the largest and oldest extant amphibian species in the world and is a source of prospective functional food in ***,the progress of functional peptides mining was slow due to lack of reference genome and protein sequence *** this study,we illustrated full-length transcriptome sequencing to interpret the proteome of CGS meat and obtain 10703 coding DNA *** functional annotation and amino acid composition analysis,we have discovered various genes related to signal transduction,and 16 genes related to *** have also found vast variety of functional peptides through protein coding sequence(CDS)analysis by comparing the data obtained with the functional peptide ***-Pro-Ile predicted by the CDS analysis was released from the CGS meat through enzymatic hydrolysis,suggesting that our approach is *** study suggested that transcriptomic analysis can be used as a reference to guide polypeptide mining in CGS meat,thereby providing a powerful mining strategy for the bioresources with unknown genomic and proteomic sequences.

关键词： Chinese giant salamander Transcriptomic analysis Bioactive components Functional peptides mining

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Functional food products in Japan:A review

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Food Science and Human Wellness 2019年第2期8卷 96-101页

作者： Shun Iwatani naoyuki yamamoto School of Life Science and Technology Tokyo Institute of TechnologyYokohamaKanagawa226-8501Japan

Japan has a long history of using foods with health benefits and Japanese people are well-known for their *** 1991,the Ministry of Health,Labor and Welfare introduced a functional food regulation called“foods for specified health uses”(FOSHU)in *** the introduction of the functional food system,many clinically proven FOSHU products with health benefits have been developed and launched in the *** a result,the net sales of FOSHU products reached 6.2 billion dollars in *** of the health claims relate to improving gastro-intestinal health using ***,high blood pressure,high LDL-cholesterol,and high blood glucose are mainly associated with the related health *** 2007,the market for FOSHU products was almost ***,a novel functional regulatory system\called“Foods with Function Claims”was established in 2015 based on the Dietary Supplement Health and Education Act system established in the *** health claims in the new regulation system are associated with fatigue,eyes,memory,stress,sleep,joints,blood flow,body temperature,muscles,and Body Mass *** the introduction of the new system,the total sales for functional foods including FOSHU products reached 8 billion dollars in *** new functional regulatory system is more flexible in terms of health claims,the protocol for clinical studies,and the required ***,the market for new regulatory products is still *** the present paper,the potential of both regulatory systems and some related issues will be discussed.

关键词： Food for specified health uses FOSHU New Functional Foods Foods with function claims Consumer Affairs Agency Approval

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A spectroscopic study on the effect of ultra-violet solar radiation in Antarctica on the human skin fbroblast cells

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Geoscience Frontiers 2013年第6期4卷 647-653页

作者： Tatsuyuki yamamoto Hideo Akiyoshi Keisuke Yoshikiyo Tetsuya Takahashi Yukiko Tanabe Sakae Kudoh Satoshi Imurad naoyuki yamamoto Faculty of Life and Environmental Science Shimane University Faculty of Education Shimane University Graduate School of Frontier Sciences The University of Tokyo National Institute of Polar Research Graduate School of Bioagricultural Sciences Nagoya University

A study on the effect of the solar ultra-violet radiation on the human skin fibroblast cells revealed that the production of matrix metalloproteinase-2 was inhibited by the radiation.A CO2 incubator connected by optical fibers to a reflector telescope for collecting the solar light was built at Syowa station by the 49th Japanese Antarctica Research *** direction of the telescope was continuously controlled by a sun-tracker to follow the movement of the Sun *** intensity of the collected light was monitored by a portable spectrophotometer housed *** human skin fibroblast cells were incubated in the CO2 chamber to investigate the effect of the solar radiation at Syowa station and were compared with those reference experiments at a laboratory in *** results showed cell damage by strong UV *** production of matrix metalloproteinase-2 was prompted by the moderate UV-B,but was inhibited by the strong UV-B radiation,as studied under laboratory conditions in *** effect of strong solar radiation at Syowa station involving the radiation of UV-B region was estimated to be of the same extent of the radiation caused by an artificial UV-B light with the intensity more than 50 mJ/cm2.

关键词： Antarctica Geobiology Ultra-violet radiation Human skin fibroblast cells Matrix metalloproteinase

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Effect of Indoor Concentrate Feeding vs. Outdoor Grazing on the Expression of Genes Involved in Muscle Growth and Nutrient Content in Japanese Black Steer Muscle

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Open Journal of Animal Sciences 2014年第5期4卷 297-304页

作者： Masahiro Shibata[*] Kazunori Matsumoto Yasuko Hikino naoyuki yamamoto Livestock Production and Wildlife Management Research Division NARO Western Region Agricultural Research Center Shimane Japan

The objective of the present study was to investigate the effect of outdoor grazing on the expression of genes involved in muscle growth and the nutrient contents of skeletal muscle in steers. Ten Japanese Black steers were divided into two groups: grazing (GR) and concentrate (CT) groups. Crude protein, extractable lipid, moisture, fatty acid, cooking loss and Warner Bratzler shear force in muscle tissue were analyzed. The gene expression of myosin heavy chain (MyHC) isoform (2a, 2x and slow), myostatin, follistatin, peroxisome proliferator-activated receptor γ2 (PPARγ2), CCAAT/enhancer binding protein α (C/EBPα), heat shock protein (HSP) 27 and HSP40 in skeletal muscles was evaluated at the end of fattening. Decreases in MyHC-2a and MyHC-2x (fast-twitch fiber type) expression in the longissimus lumborum (LL) muscle were detected in the GR group compared with the CT group;in contrast, an increase in MyHC-slow (slow-twitch fiber type) expression was shown in the GR group. These results suggest that grazing initiated muscle fiber type conversion to slow-twitch from fast-twitch. A decrease in extractable lipid content was observed in the GR group in the LL and semitendinosus (ST) muscles. Crude protein content in the LL muscle in the GR group was higher than in the CT group. MyHC expression in LL muscle in the GR group was greater than in the CT group. A decrease in myostatin and PPARγ2 gene expression was detected in the GR group compared with the CT group in both muscles. Expression of C/EBPα in LL muscle in the GR group was lower than in the CT group. These results suggest that grazing steers at the end of fattening may lead to an increase in protein content and a decrease in fat accumulation in LL and/or ST muscles by regulation of myostatin, MyHC, PPARγ2 and C/EBPα gene expression.

关键词： Grazing Gene Expression Japanese Black Steer Muscle Growth Nutrient Content

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1100kV气体绝缘双断口断路器的开发与产品化(英文)

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电网技术 2009年第15期33卷 80-86页

作者： Rei Hemmi Michiru Onodera Yoshikatsu Enokida naoyuki yamamoto Kunio Hirasawa 日本AE帕瓦株式会社日本东京都港区西新桥3-8-3

开发了一种用于气体绝缘组合电器(GIS)的1100kV50kASF6气体双断口断路器(GCB)。研究了这种断路器的各种特性,并成功完成了在绝缘、开断和机械性能等方面的型式试验。实现了GCB的小型化和轻量化。这种新开发的GCB已应用在中国特高压交流... 详细信息

开发了一种用于气体绝缘组合电器(GIS)的1100kV50kASF6气体双断口断路器(GCB)。研究了这种断路器的各种特性,并成功完成了在绝缘、开断和机械性能等方面的型式试验。实现了GCB的小型化和轻量化。这种新开发的GCB已应用在中国特高压交流示范工程的GIS中,并已于2009年年初投入使用。

关键词：特高压 1100 kV 气体断路器气体绝缘组合电器

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Higher levels of the lipophilic antioxidants coenzyme Q_(10) and vitamin E in long-lived termite queens than in short-lived workers

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Insect Science 2024年第1期31卷 201-210页

作者： Eisuke Tasaki Yorihiro yamamoto Yoshihito Iuchi Department of Biological Chemistry Graduate School of Sciences and Technology for InnovationYamaguchi UniversityYamaguchiJapan School of Bioscience and Biotechnology Tokyo University of TechnologyHachiojiTokyoJapan

Termite queens and kings live longer than nonreproductive *** molecular mechanisms contributing to their long lifespan have been investigated;however,the underlying biochemical explanation remains *** Q(CoQ),a component of the mitochondrial electron transport chain,plays an essential role in the lipophilic antioxidant defense *** beneficial effects on health and longevity have been well studied in several ***,we demonstrated that long-lived termite queens have significantly higher levels of the lipophilic antioxidant CoQ_(10) than *** chromatography analysis revealed that the levels of the reduced form of CoQ_(10) were 4 fold higher in the queen's body than in the worker's *** addition,queens showed 7 fold higher levels of vitamin E,which plays a role in antilipid peroxidation along with CoQ,than ***,the oral administration of CoQ_(10) to termites increased the CoQ_(10) redox state in the body and their survival rate under oxidative *** findings suggest that CoQ_(10) acts as an efficient lipophilic antioxidant along with vitamin E in long-lived termite *** study provides essential biochemical and evolutionary insights into the relationship between CoQ_(10) concentrations and termite lifespan extension.

关键词： antioxidant defense system coenzyme Q termite queens vitamin E

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Mission of the National Cancer Center Hospital in Japan to promote clinical trials for precision medicine

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Cancer Biology & Medicine 2024年第1期21卷 1-3页

作者： Kazuaki Shimada Kenichi Nakamura Noboru yamamoto Department of Hepatobiliary and Pancreatic Surgery National Cancer Center HospitalTokyo 104-0045Japan Clinical Research Support Offce National Cancer Center HospitalTokyo 104-0045Japan Department of Experimental Therapeutics National Cancer Center HospitalTokyo 104-0045Japan

Precision medicine is a growing field *** its potential benefit to many patients,several major obstacles must be overcome before precision medicine can be more widely used in clinical *** main obstacles are associated... 详细信息

关键词： clinical Cancer overcome

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Literature review of the energy sources for performing laparoscopic colorectal surgery

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World Journal of Gastrointestinal Surgery 2012年第1期4卷 1-8页

作者： Tsukasa Hotta Katsunari Takifuji Shozo Yokoyama Kenji Matsuda Takashi Higashiguchi Toshiji Tominaga Yoshimasa Oku Takashi Watanabe Toru Nasu Tadamichi Hashimoto Koichi Tamura Junji Ieda naoyuki yamamoto Hiromitsu Iwamoto Hiroki Yamaue Second Department of Surgery Wakayama Medical UniversitySchool of Medicine

Laparoscopic surgery for colorectal disease has become widespread as a minimally invasive *** is important because the increasing availability of new devices allows us to perform procedures with a reduced length of surgery and decreased blood *** herein report the results of a literature review of energy sources for laparoscopic colorectal surgery,focused especially on 6 studies comparing ultrasonic coagulating shears(UCS) and other *** also describe our laparoscopic dissection techniques using UCS for colorectal *** short-term outcomes of surgeries using UCS and Ligasure for laparoscopiccolorectal surgery were superior to conventional *** authors have reported that the length of surgery or blood loss when Ligasure was used for laparoscopic colorectal surgery is less than when UCS was *** the other hand,a recent study demonstrated that there were no significant differences between the short-term outcomes of UCS and Ligasure for laparoscopic colorectal *** is therefore suggested that the choice of technique used should be made according to the surgeon’s *** also describe our laparoscopic dissection techniques using UCS(Harmonic ACE) for colorectal cancer with regard to the retroperitoneum dissection,dissection technique,dissection technique around the feeding artery,and various other dissection *** therefore review the outcomes of using various energy sources for laparoscopic colorectal surgery and describe our laparoscopic dissection techniques with UCS(Harmonic ACE) for colorectal cancer.

关键词： Laparoscopic surgery Ultrasonic coagulating shears Harmonic Scalpel Ligasure Colon and rectum Dissection technique

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A new electric field mill array with each of the mill’s rotor controlled precisely by a GPS module:Equipment and initial results

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Earth and Planetary Physics 2024年第2期8卷 423-435页

作者： Kozo Yamashita Hironobu Fujisaka DaoHong Wang Hiroyuki Iwasaki Kazuo yamamoto Koichiro Michimoto Masashi Hayakawa Department of Production Systems Engineering and Sciences Komatsu UniversityNu 1-3 Shicho-machiKomatsuIshikawa 923-8511Japan Fujisaka Technology Office 1058-5 Yoshizawa-choOhta-shiGunma 373-0019Japan Department of Electrical Electronic and Computer EngineeringGifu University1-1 YanagidoGifu CityGifu 501-1193Japan Cooperative Faculty of Education Gunma University4-2-Aramaki-machiMaebashiGunma 371-8510Japan Department of Electrical and Electronic Engineering Chubu University1200 Matsumoto-choKasugaiAichi 487-8501Japan Independent Researcher Kosenba Town 2-44-11-406Kawagoe CitySaitama350-0036Japan Advanced Wireless&Communications Research Center The University of Electro-Communications1-5-1 ChofugaokaChofuTokyo 182-8585Japan

We have newly designed an electrostatic sensor,called an electric field mill(EFM),to simplify the estimation of the charge position and charge amount transferred by lightning *** is necessary for this remote estimation of the transferred charge to measure electric field changes caused by charge loss at the time of a lightning strike at multiple *** multiple-station measurement of electric field changes,not only speed but also phase for exposure and shielding of the sensing plates inside each EFM of the array should be synchronized to maintain the sensitivities of the deployed ***,there is no such EFM with specified speed and phase control performance of the rotary ***,we developed a new EFM in which the rotary mechanism was controlled consistently to within 3%error by a GPS *** EFMs had been distributed in the Hokuriku area of Japan during the winter season of 2022-2023 for a test *** we describe the design and a simple calibration method for our new EFM *** analysis method based on the assumption of a simple monopole charge structure is also *** validation,locations of assumed point charges were compared with three-dimensional lightning mapping data estimated by radio observations in the MF-HF *** results indicated the validity to estimate transferred charge amounts and positions of winter cloud-to-ground lightning discharges with our new EFM array.

关键词： lightning electrostatic field electric field mill electric field change

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External defects and severity level evaluation of potato using single and multispectral imaging in near infrared region Author links open overlay panel

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Information Processing in Agriculture 2024年第1期11卷 80-90页

作者： Dimas Firmanda Al Riza Slamet Widodo Kazuya yamamoto Kazunori Ninomiya Tetsuhito Suzuki Yuichi Ogawa Naoshi Kondo Laboratory of Biosensing Engineering Graduate School of AgricultureKyoto UniversityKitashirakawaKyoto 6068267Japan Department of Biosystems Engineering Faculty of Agricultural TechnologyUniversitas BrawijayaJl.VeteranMalang 65145Indonesia Department of Mechanical and Biosystem Engineering Bogor Agricultural UniversityJl.Raya Darmaga Kampus IPB DarmagaBogor 16680Indonesia Technology Development Department Shibuya Seiki Co.Ltd.66Takaoka-choMatsuyamaEhime 7918036Japan

Non-invasive potato defects detection has been demanded for sorting and grading *** on the classification of the defects has been available,however,investigation on the severity level calculation is *** the detection of the common scab,it has been found that imaging in the infrared region provide an interesting characteristic that could distinguish defected area to normal ***,investigations on this wavelength range is interesting to add more knowledge and for *** this research,the multispectral image has been obtained and investigated especially at three wavelengths(950,1150,1600 nm).Image pre-processing and pseudo-color conversion techniques were explored to enhance the contrast between defects,normal background skin area and soil *** show that external defects,such as common scab and some mechanical damage types,appear brighter in the near infrared region,especially at 1600 nm against the normal skin *** has been found that pseudo-color images conversion provides more information regarding type if surface characteristics compared to grayscale single *** segmentation using pseudo-color images after multiplication operation pre-processing could be used for common scab and mechanical damage detection excluding soil deposits with a Dice Sorensen coefficient of *** addition,image segmentation using single image at 1600 nm shown relatively better results with Dice Sorensen coefficient of 0.72 with note that thick soil deposits will also be *** severity level evaluation had an R2 correlation of 0.84 against standard measurements of severity.

关键词： Multispectral imaging Pseudo-color Common scab External defects Near infrared

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