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Effects of docosahexaenoic acid or arachidonic acid supplementation on gene expression and contractile force of rat cardiomyocytes in primary culture

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BIOCELL 2021年第5期45卷 1213-1229页

作者： MIZUNA YANO yuta umehara TOMOKAZU KUDO TAKAO NAKAMURA TADASHI KOSAWADA ATSUYOSHI NISHINA MASAKI SAZUKA DAISUKE SATO ZHONGGANG FENG Graduate School of Science and Engineering Yamagata UniversityYonezawa9928510Japan Graduate School of Medical Science Yamagata UniversityYamagata9909585Japan Department of Materials and Applied Chemistry College of Science and TechnologyNihon UniversityTokyo1018308Japan Department of Health and Nutrition Yamagata Prefectural Yonezawa University of Nutrition SciencesYonezawa9920025Japan

While fatty acids play essential roles in the physiology of the myocardium,conventional culture media contain little *** previously revealed that rat neonatal myocardium mainly contains docosahexaenoic(DHA),linoleic(LA),and arachidonic(AA)acids as polyunsaturated fatty acids(PUFAs),and these contents in cultured cardiomyocytes derived from fetal rats were markedly lower than those in the neonatal *** this study,we first assessed the effects of supplementation of DHA,LA,or AA on the fatty acid contents and the percentage change of contractile area in primarily cultured rat *** on this assessment,we then evaluated the effects of DHA or AA supplementation on mRNA expression and further directly measured the contractile force of cardiomyocytes with the *** study revealed that percentage change of contractile area was maximized under 20μM DHA or 50μM AA supplementation while LA supplementation did not affect this contraction index,and that a widespread upregulation tendency of the mRNA expression related to differentiation,maturity,fatty acid metabolism,and cell adhesion was seen in the cultured cardiomyocytes with supplementation of DHA or *** particular,upregulation of the gene expression of cellular adhesion molecules connexin43 and N-cadherin were remarkable,whereas the effects on differentiation and maturation were less ***,the increase of the percentage change of the contractile area of cardiomyocyte clusters in culture dishes with the supplementations was significant,whereas the enhancement of the contractile force was *** results suggest that supplementation of DHA or AA to the fetal cardiomyocyte culture may play effective roles in preventing the de-differentiation of the cardiomyocytes in culture and that the enhancement of the contractile performance may be mainly attributed to the improvement of intercellular connection.

关键词： Cardiomyocyte culture Polyunsaturated fatty acid mRNA expression Contractile force Intercellular connection

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MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1

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Oncology Research 2024年第3期32卷 463-476页

作者： Hur SUN MASANORI KAWANO TATSUYA IWASAKI ICHRO ITONAGA yuta KUBOTA HROSHI TSUMURA KAZUHRO TANAKA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5503Japan

An important factor in the emergence and progre sion of osteosarcoma(OS)is the dysregulated expression of microRNAs(miRNAs).Transcription factor 7-like 1(TCF7LI),a member of the T cell factor/lymphoid enhancer factor(TCF/LEF)transcription factor family,interacts with the Wnt signaling pathway regulator β-catenin and acts as a DNA-specific binding *** study sought to elucidate the impact of the interaction between miR 3293p and TCF7L1 *** growth and apoptosis of OS and analyze the regulatory expression relationship between miRNA and mRNA in osteosarcoma cells using a variety of ***329-3p was significantly downregulated,while TCF7L1 was considerably up-regulated in all examined OS cell ***,a clinical comparison study was performed using the TCGA ***,the regulatory relationship between miR-329-3p and TCF7L1 on the proliferation and apoptosis of OS cells was verified through in vitro and in vivo *** miR 329-3p was transfected into the OS cell line,the expression of TCF7L1 decreased,the proliferation of OS cells was inhibited,the cytoskeleton disintegrated,and the nucleus condensed to fom apoptotic *** expression of proteins that indicate apoptosis increased *** cell cycle was arrested in the G0/G1 phase,and the G1/S transition was *** introduction of miR 3293p also inhibited downstream Cyclin D1 of the Wnt *** experiments indicated that the overexpression of miR-329-3p signi ficanly inhibited the growth of OS xenografts in nude mice,and the expression of TCF7L1 and C-Myc in tumor tssues *** 329-3p was significantly reduced in OS cells and played a suppressive role in tumorigenesis and proliferation by targeting TCF7L1 both in vitro and in *** cell cycle arrest and pathway inhibition were observed upon the regulation of TCF7LI by miR *** these results,it can be inferred that miR.3293p exerts anticancer efects in osteosarcom

关键词： MiR-329-3p TCF7L1 Wnt/β-catenin pathway Osteosarcoma Proliferation

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Hand Cooling Enhances the Proprioceptive Drift during Rubber Hand Illusion

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Journal of Behavioral and Brain Science 2024年第7期14卷 210-226页

作者： Masanori Sakamoto yuta Akaike Kazuya Tatsumi Hirotoshi Ifuku Division of Health and Physical Education Graduate School of Education Kumamoto University Kumamoto City Japan Lifelong Sports and Welfare Course Faculty of Education Kumamoto University Kumamoto City Japan

Background: The neural representation of the body is easily altered by integrating multiple sensory signals in the brain. The “Rubber Hand Illusion” (RHI) is one of the most popular experimental paradigms to investigate this phenomenon. During this illusion, ownership of a rubber hand is temporarily induced. It was shown that external and continuous cooling of the palm enhanced the RHI, suggesting an association between altered the autonomic nervous system regulation and altered the sense of ownership of a specific limb. Purpose: To investigate whether artificially cooling the entire hand for a short period affects the magnitude of the illusion. Methods: Participants immersed their entire hand in cool, cold, or warm water for 1 min before the RHI procedure. Results: We found that cooling the entire hand enhanced the proprioceptive drift during the RHI but not the subjective feeling of ownership. In contrast, warming and intense cooling of the entire hand did not affect the RHI strength. Conclusion: Our results suggest that transient and moderate cooling of the entire hand was sufficient in enhancing the illusory disembodiment of one’s own hand.

关键词： Hand Temperature Cooling Rubber Hand Illusion Ownership Proprioceptive Drift

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Correction: MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1

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Oncology Research 2024年第8期32卷 1369-1370页

作者： HUI SUN MASANORI KAWANO TATSUYA IWASAKI ICHIRO ITONAGA yuta KUBOTA HIROSHI TSUMURA KAZUHIRO TANAKA Department of Orthopaedic Surgery Faculty of MedicineOita UniversityOita879-5503Japan

In the article‘MicroRNA-329-3p inhibits the Wnt/β-catenin pathway and proliferation of osteosarcoma cells by targeting transcription factor 7-like 1’(Oncology Research,2024,Vol.32,No.3,pp.463−***:10.32604/or.2023.044085),there was an error in the compilation of *** have revised Fig.8D to correct this error.A corrected version of Fig.8 is *** correction does not change any results or conclusions of the *** apologize for any inconvenience caused.

关键词： osteosarcoma correction revised

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Current perspectives of viral

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World Journal of Gastroenterology 2024年第18期30卷 2402-2417页

作者： Daisuke Usuda Yuki Kaneoka Rikuo Ono Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Eri Nakajima Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa yuta Hotchi Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Tomohisa Nomura Manabu Sugita Department of Emergency and Critical Care Medicine Juntendo University Nerima HospitalNerima 177-8521TokyoJapan Department of Sports Medicine Faculty of MedicineJuntendo UniversityBunkyo 113-8421TokyoJapan

Viral hepatitis represents a major danger to public health,and is a globally leading cause of *** five liver-specific viruses:Hepatitis A virus,hepatitis B virus,hepatitis C virus,hepatitis D virus,and hepatitis E virus,each have their own unique epidemiology,structural biology,transmission,endemic patterns,risk of liver complications,and response to antiviral *** remain few options for treatment,in spite of the increasing prevalence of viral-hepatitiscaused liver ***,chronic viral hepatitis is a leading worldwide cause of both liver-related morbidity and mortality,even though effective treatments are available that could reduce or prevent most patients’*** 2016,the World Health Organization released its plan to eliminate viral hepatitis as a public health threat by the year 2030,along with a discussion of current gaps and prospects for both regional and global eradication of viral ***,treatment is sufficiently able to prevent the disease from reaching advanced ***,future therapies must be extremely safe,and should ideally limit the period of treatment necessary.A better understanding of pathogenesis will prove beneficial in the development of potential treatment strategies targeting infections by viral *** review aims to summarize the current state of knowledge on each type of viral hepatitis,together with major innovations.

关键词： Hepatitis A virus Hepatitis B virus Hepatitis C virus Hepatitis D virus Hepatitis E virus Current perspectives

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Lepton mass matrix from double covering of A_(4) modular flavor symmetry

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Chinese Physics C 2022年第12期46卷 162-171页

作者： Hiroshi Okada yuta Orikasa Asia Pacific Center for Theoretical Physics(APCTP)-Headquarters San 31 Hyoja-dongNam-guPohang 790-784Korea Department of Physics Pohang University of Science and TechnologyPohang 37673Republic of Korea Institute of Experimental and Applied Physics Czech Technical University in PragueHusova 240/511000 Prague 1Czech Republic

We study a double covering of modular A_(4)flavor *** this end,we construct lepton models for canonical and radiative seesaw *** irreducible doublet representations,heavier Majorana fermion masses are characterized by one free parameter that would differentiate from A_(4)***χsquare numerical analysis,we demonstrate that both scenarios produce some predictions in case of normal hierarchy reproducing neutrino oscillation ***,no solution satisfies the neutrino oscillation data in case of radiative seesaw of inverted hierarchy.

关键词： flavor physics neutrino and Lepton mass beyond the standard model

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MicroRNA-based targeting of the Rho/ROCK pathway in therapeutic strategies after spinal cord injury

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Neural Regeneration Research 2023年第2期18卷 311-312页

作者： Tetsu Kimura yuta Horikoshi Department of Anesthesia and Intensive Care Medicine Akita University Graduate School of MedicineAkitaJapan

Spinal cord injury(SCI)is one of the leading causes of disability and is a devastating condition that requires long-term care,reduces social productivity,and gives an immense emotional burden on patients and their fa *** frequently occurs due to traffic accidents,falls,slips,violence,sports,and medical accidents in today's *** initial mechanical damage triggers a secondary injury cascade that induces more intractable damage(Silva et al.,2014).Secondary injury mechanisms have been postulated,including neuronal apoptosis,inflammation,oxidative stress,and excitotoxicity.

关键词： damage injury emotional

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Bin-scanning:Segmentation of X-ray CT volume of binned parts using Morse skeleton graph of distance transform

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Computational Visual Media 2023年第2期9卷 319-333页

作者： yuta Yamauchi Tatsuya Yatagawa yutaka Ohtake Hiromasa Suzuki School of Engineering The University of Tokyo7–3–1HongoBunkyo-kuTokyoJapan

X-ray CT scanners,due to the transmissive nature of X-rays,have enabled the non-destructive evaluation of industrial products,even inside their *** light of its effectiveness,this study introduces a new approach to accelerate the inspection of many mechanical parts with the same shape in a *** input to this problem is a volumetric image(i.e.,CT volume)of many parts obtained by a single CT *** need to segment the parts in the volume to inspect each of them;however,random postures and dense contacts of the parts prohibit part segmentation using traditional template *** address this problem,we convert both the scanned volumetric images of the template and the binned parts to simpler graph structures and solve a subgraph matching problem to segment the *** perform a distance transform to convert the CT volume into a distance ***,we construct a graph based on Morse theory,in which graph nodes are located at the extremum points of the distance *** experimental evaluation demonstrates that our fully automatic approach can detect target parts appropriately,even for a heap of 50 ***,the overall computation can be performed in approximately 30 min for a large CT volume of approximately 2000×2000×1000 voxels.

关键词： X-ray computed tomography(CT) volume segmentation graph matching non-destructive inspection

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High-throughput study of the anomalous Hall effect

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npj Computational Materials 2023年第1期9卷 767-774页

作者： JakubŽelezný yuta Yahagi Carles Gomez-Olivella Yang Zhang Yan Sun Institute of Physics Czech Academy of SciencesCukrovarnická1016200 Praha 6Czech Republic Department of Applied Physics Tohoku UniversitySendaiMiyagiJapan Department of Physics and Astronomy University of Tennessee KnoxvilleKnoxvilleTN 37996USA Min H.Kao Department of Electrical Engineering and Computer Science University of TennesseeKnoxvilleTN 37996USA Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China

Despite its long history,the anomalous Hall continues to attract attention due to its complex origins,its connection to topology,and its use as a probe of magnetic *** this work we investigate the anomalous Hall effect in 2871 ferromagnetic materials using an automatic high-throughput calculation *** analyze general properties of the effect,such as its reliance on spin-orbit coupling strength and *** materials with the largest anomalous Hall effect,we find that symmetry-protected band degeneracies in the non-relativistic electronic structure,such as mirror symmetry-protected nodal lines,are typically responsible for the large ***,we examine the dependence of the anomalous Hall effect on magnetization direction and demonstrate deviations from the commonly assumed expression j^(AHE)~M×E.

关键词： effect symmetry protected

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地闪回击电磁场受建筑物宽度和相对位置的影响分析

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江西科学 2024年第3期42卷 648-653页

作者：王荣珠赖悦李玉塔夏雪江西省气候中心南昌330046 北京市气象探测中心北京100089

在雷电监测预警工作中,由于地形限制,雷电监测系统通常布置于建筑物顶部,会导致系统反演的雷电参数误差较大,因此,通过仿真模拟手段定量分析影响程度,为定位结果的校正提供参考。基于时域有限差分法(FDTD),研究了建筑物的宽度和相对位... 详细信息

在雷电监测预警工作中,由于地形限制,雷电监测系统通常布置于建筑物顶部,会导致系统反演的雷电参数误差较大,因此,通过仿真模拟手段定量分析影响程度,为定位结果的校正提供参考。基于时域有限差分法(FDTD),研究了建筑物的宽度和相对位置对闪电回击电磁场的影响,绘制了建筑物的宽度与垂直电场增大比例之间的关系式以及拟合曲线。结果表明,垂直电场的增量M在建筑物宽度增加时减少,当建筑物宽度增加到一定程度时,仍保持在较小范围内;当建筑物与闪电通道之间的距离d增加到3.22 km时,建筑物的宽度对建筑物顶部垂直电场值影响可忽略不计。研究结果对提高雷电定位系统精度有一定参考价值。

关键词：建筑物宽度相对位置回击电磁场

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