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Discovery of Paleozoic rocks at northern margin of Sambagawa terrane,eastern Kyushu,Japan:Petrogenesis,U-Pb geochronology and its tectonic implication

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Geoscience Frontiers 2020年第4期11卷 1441-1459页

作者： kenta kawaguchi Yasutaka Hayasaka Tomoyuki Shibata Masayuki Komatsu Kosuke Kimura Kaushik Das Department of Earth and Planetary Systems Science Graduate School of ScienceHiroshima University1-3-1 KagamiyamaHigashi-HiroshimaHiroshima739-8526Japan Hiroshima Institute of Plate Convergence Region Research 1-3-1 KagamiyamaHigashi-HiroshimaHiroshima739-8526Japan Ehime University 10-13 Dogo-HimataMatsuyamaEhime790-8577Japan

Ordovician diorite-quartz diorite mylonite(Saganoseki quartz diorite) was discovered in Sambagawa metamorphic terrane at the northern margin of Saganoseki Peninsula,Kyushu Island,*** LA-ICP-MS zircon U-Pb geochronology revealed that the intrusion age of Saganoseki quartz diorite was 473.3±3.6 *** rocks show the volcanic arc affinity based on the trace element *** the basis of geochronological and geochemical results,Saganoseki quartz diorite is considered to be a member of the Early Paleozoic igneous rocks of the Kurosegawa tectonic *** quartz diorite is located just south of the Median Tectonic Line(MTL)and is in close contact with the pelitic and psammitic schist without any brittle shear zone.U-Pb ages of detrital zircon grains from two psammitic schists show the estimated sedimentation age of early Late Cretaceous,indicate that these psammitic schists are the member of Sambagawa metamorphic *** with these results and the mode of occurrence in the field,we argue that the Early Paleozoic igneous rocks of the Kurosegawa tectonic zone existed as an upper structural unit of the Sambagawa *** relationship is the key to reconstruct the Mesozoic tectonics of Japan as a part of East Asia,and its evolution through time.

关键词： Outer zone of southwest Japan Sambagawa metamorphic terrane Kurosegawa tectonic zone LA-ICP-MS zircon U-Pb age Saganoseki quartz diorite

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A Case of Warthin’s Tumor Together with IgG4-Related Sialadenitis

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Open Journal of Pathology 2024年第3期14卷 81-89页

作者： Ryogo Aoki Risa Ito Asuka Ohashi Riyoko Niwa Masashi Matsuyama Sachiko Oka Naomi kawaguchi Toshimasa Sakakima Daichi Kodama Naoki Watanabe Daisuke Okamoto Takafumi Naiki Takuji Tanaka Department of Diagnostic Pathology (DDP) & Research Center of Diagnostic Pathology (RC-DiP) Gifu Municipal Hospital Gifu Japan Department of Central Clinical Laboratory Gifu Municipal Hospital Gifu Japan Department of Hematology Gifu Municipal Hospital Gifu Japan

Warthin’s tumor is the second most frequent neoplasm next to pleomorphic adenoma in the salivary gland. The tumor contains the epithelial oncocyte cells with the presence of rich-mitochondria and their surrounding abundant lymphocytes. A relatively new disease entity of IgG4-related disease frequently occurs in the salivary gland. However, the coexistence of Warthin’s tumor and IgG4-related disease is scarcely observed. We have recently experienced a rare case of Warthin’s tumor with IgG4-related sialadenitis. A 51-year-old man presented to our hospital, complaining of a mass with right submandibular tenderness and spontaneous pain. A computed tomography scan of the cervical region revealed a suspicion of lymph node proliferative disease, including malignant lymphoma. Elevated serum levels of IL-2R: 1843 U/ml (reference value 122 - 496 U/ml), IgG: 3430 mg/dl (reference value 861 - 1747 mg/dl), and IgG4: 3140 mg/dl (reference value 11 - 121 mg/dl) were observed. Other laboratory data showed within normal ranges. The cervical tumor was diagnosed as Warthin’s tumor by the findings of fine-needle aspiration cytology and biopsy examination. Immunohistochemistry revealed numerous IgG4- and IgG-positive cells with fibrosis surrounding the epithelial component of Warthin’s tumor, suggesting IgG4-rerated sialadenitis. Finally, we diagnosed the cervical tumor as Warthin tumor with IgG4-related sialadenitis. This is the second report describing a case of Warthin’s tumor with possible involvement of IgG4-related sialadenitis.

关键词： Warthin’s Tumor Sialadenitis IgG4-Related Disease Immunohistochemistry

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Rikkunshito increases peripheral incretin-hormone levels in humans and rats

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World Journal of Methodology 2024年第1期14卷 102-113页

作者： Hiroshi Kono Shinji Furuya Hidenori Akaike Katsutoshi Shoda Yoshihiko kawaguchi Hidetake Amemiya Hiromichi Kawaida Daisuke Ichikawa The First Department of Surgery University of YamanashiChuoYamanashi 409-3898Japan

BACKGROUND It was reported that rikkunshito(TJ-43)improved the cisplatin-induced decreases in the active form of ghrelin in plasma;however,other effects on gastrointestinal hormones have not been *** To investigate the effects of TJ-43 on peripheral levels of incretin hormones,including gastric inhibitory polypeptide(GIP)and glucagon-like polypeptide-1(GLP-1),in humans and *** Patients were divided into two groups,namely patients who received TJ-43 immediately following surgery[TJ-43(+)group]and those who received TJ-43 on postoperative day 21[TJ-43(-)group],and the plasma levels of active GIP and active GLP-1 were *** animal experiments,rats were treated with TJ-43[rat(r)TJ-43(+)group]or without[rTJ-43(−)group]by gavage for 4 wk,and the plasma active GIP and active GLP-1 levels were *** expression of incretin hormones in the gastrointestinal tract and insulin in the pancreas were investigated by ***,the cyclic adenosine monophosphate activities were assessed in pancreatic tissues from rats treated with or without TJ-43 in vivo,and the blood glucose levels and plasma insulin levels were measured in rats treated with or without TJ-43 in oral glucose tolerance *** In humans,the active incretin hormone levels increased,and values were significantly greater in the TJ-43(+)group compared those in the TJ-43(-)*** rats,the plasma active incretin levels significantly increased in the rTJ-43(+)group compared with those in the rTJ-43(-)*** and GLP-1 expressions were enhanced by TJ-43 ***,plasma insulin levels increased and blood glucose levels were blunted in the rTJ-43(+)*** The results show that TJ-43 may be beneficial for patients who undergo pancreatic surgery.

关键词： Incretin hormone Japanese traditional herbal medicine Gastric inhibitory polypeptide Glucagon-like polypeptide-1 Islet cells Insulin

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Pancreaticoduodenectomy: how to handle a replaced right hepatic artery

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Hepatobiliary Surgery and Nutrition 2023年第2期12卷 280-283页

作者： Junichi Kaneko Akihiko Ichida Yoshikuni kawaguchi Kiyoshi Hasegawa Hepato-Biliary-Pancreatic Surgery Division Department of SurgeryGraduate School of MedicineThe University of TokyoTokyoJapan

Hepatobiliary pancreatic surgeons sometimes encounter an aberrant(or replaced)right hepatic artery(a-RHA,Hiatt types III-VI)during pancreaticoduodenectomy(PD).Arterial flow cutoff to the a-RHA may be associated with a biliary leak or stenosis at the choledocho-jejunostomy and liver ischemia,resulting in ischemic cholangitis,liver abscess,and sepsis(1).

关键词： Pancreaticoduodenectomy(PD) replaced right hepatic artery pancreatic ductal adenocarcinoma(PDAC)

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Restriction on the form of the quark anomalous magnetic moment from lattice QCD results

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Chinese Physics C 2023年第6期47卷 108-121页

作者： Mamiya kawaguchi 黄梅 School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China

The quark anomalous magnetic moment(AMM)is dynamically generated through spontaneous chiral symmetry *** has been revealed that,even though its exact form is still unknown,the quark AMM is essential to exploring quark matter properties and QCD phase structure under external magnetic *** this study,we take three different forms of the quark AMM and investigate its influence on the chiral phase transition under a magnetic *** general,a negative(positive)quark AMM acts as a magnetic-catalyzer(magnetic-inhibitor)for chiral symmetry *** is found that a constant quark AMM drives an unexpected 1st order chiral phase transition,a quark AMM proportional to the chiral condensate flips the sign on the chiral condensate,and a quark AMM proportional to the square of the chiral condensate suppresses the magnetic enhancement in the chiral condensate at finite temperatures while retaining the chiral crossover phase *** also evaluate the intrinsic temperature dependence of the effective AMM form by fitting the effective model result of the chiral condensate to lattice QCD data,which may have a nontrivial correlation with the chiral phase transition.

关键词： chiral symmetry phase diagram of QCD external magnetic field chiral effective model fi-nite temperature field theory

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An ever-increasing metabolic dysfunction-associated fatty liver disease-related hepatocellular carcinoma:what are problems and countermeasures?

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Hepatobiliary Surgery and Nutrition 2023年第6期12卷 941-944页

作者： Shigeo Shimose Tsubasa Tsutsumi Dan Nakano Tomoya Sano Keisuke Amano Takumi kawaguchi Division of Gastroenterology Department of MedicineKurume University School of MedicineKurumeJapan

Hepatocellular carcinoma(HCC)is the third leading cause of cancer deaths worldwide(1).HCC has been classified into viral or non-viral HCC according to the etiology and the incidence of viral HCC is *** contrast,the incidence of non-viral HCC is increasing and fatty liver is becoming a major etiology for the *** 2020,a new concept of fatty liver disease,metabolic dysfunction-associated fatty liver disease(MAFLD).

关键词： Hepatoma hepatic steatosis metabolic syndrome viral hepatitis lenvatinib(LEN)

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Advances in Aging Research 2022年第5期11卷 117-134页

作者： Yoichiro Sato Akito kawaguchi Department of Physical Therapy Faculty of Health Sciences Hokkaido University of Science Sapporo Japan IMS Sapporo Internal Medicine Rehabilitation Hospital Sapporo Japan

This study aimed to investigate the characteristics of the coupling of the center of pressure (COP) movement and toes in older adults during one-legged standing (OLS). Participants were community dwelling older and younger adults. Toe vertical force during the OLS was recorded using a plantar-pressure distribution system, and the vertical forces in the hallux, little toe, and the first and fifth metatarsophalangeal (MP) joints were analyzed. A cross-correlation function was performed to examine the coordination between toes and between COP movement and four regions of the foot. The cross-correlation functions showed no significant difference in coefficients between toes. The OLS duration in the older adults was significantly correlated with the coefficient between the medial-lateral component of the COP and the first MP region. This study suggests that it is important to press the first MP region appropriately relative to COP movement to maintain the OLS.

关键词： One-Legged Stance Coordination Coupling Toe Older

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Motion Analysis of Trunk Using Simplified Human Model in Sagittal Plane

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Transactions of Nanjing University of Aeronautics and Astronautics 2018年第1期35卷 20-27页

作者： Masato kawaguchi Shoichiro Takehara Division of Mechanical Engineering Graduate School of Science and TechnologySophia University Department of Engineering and Applied Sciences Sophia University

The mass of very small vehicles is often comparable to that of their drivers,and thus there is a greater degree of coupling between the vehicle and the driver,compared with a case for traditional *** developing small vehicles,it is necessary to give ample consideration to the dynamics of the person who ride ***,a model of a human body riding a small personal vehicle was constructed to investigate the dynamics of the person inside such a ***,an experiment on posture maintenance by acceleration of direction of travel was conducted and the parameters for posture control were identified using agenetic *** shows that body behavior could be successfully simulated using the proposed model,and the control parameters were effective in determining the posture maintenance characteristics of the vehicle occupant.

关键词： human dynamics trunk simulation human body vehicles

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Importance of hepatitis C virus-associated insulin resistance:Therapeutic strategies for insulin sensitization

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World Journal of Gastroenterology 2010年第16期16卷 1943-1952页

作者： Takumi kawaguchi Michio Sata Department of Digestive Disease Information & Research and Department of Medicine Kurume University School of Medicine

Insulin resistance is one of the pathological features in patients with hepatitis C virus(HCV) ***,persistence of insulin resistance leads to an increase in the risk of life-threatening complications such as cardiovascular ***,these complications are not major causes of death in patients with HCV-associated insulin ***,insulin resistance plays a crucial role in the development of various complications and events associated with HCV *** evidence indicates that HCV-associated insulin resistance may cause(1) hepatic steatosis;(2) resistance to anti-viral treatment;(3) hepatic f ibrosis and esophageal varices;(4) hepatocarcinogenesis and proliferation of hepatocellular carcinoma;and(5) extrahepatic ***,HCV-associated insulin resistance is a therapeutic target at any stage of HCV *** the risk of insulin resistance in HCV-infected patients has been documented,therapeutic guidelines for preventing the distinctive complications of HCV-associated insulin resistance have not yet been *** addition,mechanisms for the development of HCV-associated insulin resistance differ from lifestyle-associated insulin *** order to ameliorate HCV-associated insulin resistance and its complications,the eff icacy of the following interventions is discussed:a late evening snack,coffee consumption,dietary iron restriction,phlebotomy,and zinc *** is known regarding the effect of anti-diabetic agents on HCV infection,however,a possible association between use of exogenous insulin or a sulfonylurea agent and the development of HCC has recently been *** the other hand,insulin-sensitizing agents are reported to improve sustained virologic response *** this review,we summarize distinctive complications of,and therapeutic strategies for,HCVassociated insulin ***,we discuss supplementation with branched-chain amino acids as a unique insulin-sensitiz

关键词： Hepatitis C virus Diabetes mellitus Insulin resistance Complications Treatments Branched-chain amino acid

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Formation of Gel-Like Shear-Induced Structure with Dosing of Dilute Surfactant Solution and Its Effect on Turbulent Channel Flow

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Open Journal of Fluid Dynamics 2022年第3期12卷 249-262页

作者： Shumpei Hara Kazuki Ishii Yasuo kawaguchi Department of Mechanical Engineering Doshisha University Kyoto Japan Department of Mechanical Engineering Tokyo University of Science Chiba Japan

A shear-induced structure (SIS) is formed under appropriate concentration and shear conditions in a surfactant micellar solution. In this study, we performed experiments of surfactant solution dosing in a fully developed two-dimensional turbulent channel flow from a sintered metallic wire mesh plate attached to a side wall. We investigated the behavior of the solution under the elongation during its passing through the wire mesh and under the strong shear due to the channel flow. It was confirmed that the dosed solution containing a laser dye was visualized by a laser sheet, and the accumulated gel from the wire mesh formed a layer and developed with time. Consequently, on dosing the dilute surfactant solution from the wire mesh, a gel-like SIS layer was formed, which majorly covered the wire mesh plate. The gel-like SIS layer on the wire mesh plate acted as a sticky solid and restricted the flow in the channel. This layer continued to grow while dosing, owing to which the pressure drop of the channel flow significantly increased. The gel-like SIS layer grew rapidly even in the turbulent flow and reached the equilibrium thickness. After the termination of the dosing, the gel layer collapsed gradually. In addition, the thickness of the gel-like SIS layer (indicating the strength indirectly) strongly depended on the surfactant concentration and the elongation rate in the wire mesh.

关键词： Turbulent Channel Flow Viscoelastic Fluid Gelation Scalar Transfer PIV/PLIF

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