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Design of the Saitama Cardiometabolic Disease and Organ Impairment Study (SCDOIS): A Multidisciplinary Observational Epidemiological Study

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Open Journal of Endocrine and Metabolic Diseases 2013年第2期3卷 144-156页

作者： toshitaka muneyuki Kaname Suwa Haruki Oshida Tomoya Takaoka Ayano Kutsuma Tsukasa Yoshida Masafumi Saito Yumiko Hori Yoshihiko Kannno Eiichiro Kanda Masafumi Kakei Shin-Ichi Momomura Kei Nakajima Division of Clinical Nutrition Department of Medical Dietetics Faculty of Pharmaceutical Sciences Josai University Sakado Japan

Background: In the past few decades, the incidence of cardiometabolic diseases and disorders of the liver, kidney, pancreas, heart, and lung, have been increasing in Western and Asian countries, including Japan. Numerous factors, including abnormal body weight (obesity, overweight, or underweight), infrequent exercise, and other unfavorable lifestyle factors (e.g., smoking and heavy alcohol drinking) have been proposed as risk factors for the development and the progression of diseases, such as type 2 diabetes, hypertension, and dyslipidemia, which ultimately lead to impaired organ function and possibly death. However, the mechanisms that link these risk factors with diseases are still poorly understood, and the potential treatments, including pharmacotherapy and diet, have not been fully evaluated. Methods: In 2011, we established a new collaborative research program, the Saitama Cardiometabolic Disease and Organ Impairment Study (SCDOIS). This multidisciplinary observational epidemiological research study was designed to cover several high-profile diseases and some traditional fields of internal medicine, as well as apparently unrelated fields and particular lifestyle factors, such as unhealthy eating behaviors. In a series of studies, apparently healthy subjects who underwent a regular medical checkup were retrospectively identified based on the results of their medical checkups. In this way, the incidence, prevalence, causality, and clinical relevance of specific conditions and diseases have been investigated in cross-sectional analyses of 100,000 - 200,000 adults, and in longitudinal studies of several thousand subjects who underwent medical checkups multiple times. Discussion: This article describes the background, rationale, purpose, and methods of the SCDOIS. Using data obtained from annual medical checkups, our goals are to 1) establish criteria or identify clinical features that would enable clinicians to detect the presence of abnormal conditions associat

关键词： Obesity Cardiometabolic Risks Organ Impairments Asians Diabetes Nutrition Saitama Checkup

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Underground laboratory JUNA shedding light on stellar nucleosynthesis

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Nuclear Science and Techniques 2023年第3期34卷 106-108页

作者： toshitaka Kajino School of Physics and International Research Center for Big-Bang Cosmology and Element GenesisBeihang UniversityBeijing 100083China Division of Science National Astronomical Observatory of JapanTokyo 181-8588Japan Graduate School of Science The University of TokyoTokyo 113-033Japan

Extremely low background experiments to measure key nuclear reaction cross sections of astrophysical interest are conducted at the world’s deepest underground laboratory,the Jingping Underground laboratory for Nuclear Astrophysics(JUNA).High precision measurements provide reliable information to understand nucleosynthetic processes in celestial objects and resolve mysteries on the origin of atomic nuclei discovered in the first generations of *** stars in the universe and meteoritic SiC grains in the solar system.

关键词： universe underground stellar

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Hepatocellular carcinoma effective stereotactic body radiotherapy using Gold Anchor and the Synchrony system:Two case reports and review of literature

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World Journal of Clinical Cases 2022年第8期10卷 2591-2603页

作者： Sakue Masuda toshitaka Tsukiyama Yumiko Minagawa Kazuya Koizumi Makoto Kako Takeshi Kinbara Uojima Haruki Department of Gastroenterology Shonankamakura General HospitalKanagawa 247-8533Japan Department of Interventional Radiology Center Shonan Kamakura General HospitalKanagawa 247-8533Japan Department of Radiation Oncology Shonan Kamakura General HospitalKanagawa 247-8533Japan

BACKGROUND Radiotherapy for hepatocellular carcinoma(HCC)is considered to have limited efficacy because of treatment intensity considering that the irradiated area includes the liver,which is highly *** this report,we present two cases in which tumor control by surgical resection,radiofrequency ablation,transcatheter arterial chemoembolization(TACE),and lenvatinib administration was difficult,but stereotactic body radiotherapy(SBRT)using the Synchrony system by Radixact?and Gold Anchor?(GA)was *** SUMMARY A 60-year-old man had a single 10-cm HCC in the right *** lesions remained after TACE,and levels of alpha-fetoprotein and protein induced by vitamin K antagonists II(PIVKA-II)decreased and quickly *** performed SBRT with *** weeks after implantation,localized radiotherapy(SBRT;40 Gy/5 fractions)was performed using the Synchrony system by Radixact?.Four weeks later,the viable lesion had disappeared,and the PIVKA-II levels decreased.A 77-year-old man had a single 12-cm HCC in the right *** patient experienced recurrence after *** recurrence occurred after TACE,and we performed SBRT with *** of the proximity of the HCC to the gastrointestinal tract,localized radiotherapy(SBRT;39 Gy/13 fractions)to the HCC was performed 3 wk after implantation using the Synchrony system by Radixact?.Four weeks later,the viable lesion had disappeared on computed tomography,and the PIVKA-Ⅱlevels *** SBRT using the Synchrony system and GA can deliver a large dose accurately and safely,and could have a high therapeutic effect.

关键词： Fiducial marker Hepatocellular carcinoma Gold Anchor■ Radixact■ Stereotactic body radiotherapy Case report

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Indium chloride bone marrow scintigraphy for hepatic myelolipoma: A case report

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World Journal of Clinical Cases 2023年第18期11卷 4377-4383页

作者： Akio Sato Kazuhiro Saito Koichiro Abe Katsutoshi Sugimoto toshitaka Nagao Aoi Sukeda Daisuke Yunaiyama Department of Radiology Tokyo Medical University HospitalShinjuku-ku 160-0023TokyoJapan Department of Gastroenterology and Hepatology Tokyo Medical University HospitalShinjuku-ku 160-0023TokyoJapan Department of Anatomic Pathology Tokyo Medical University HospitalShinjuku-ku 160-0023TokyoJapan

BACKGROUND As hepatic myelolipoma is rarely encountered,its radiological diagnosis using ultrasonography(US),computed tomography(CT),and magnetic resonance imaging(MRI)is *** myelolipoma is similar to fat-contained hepatic lesions seen in hepatocellular carcinoma and ***,further development of techniques to diagnose hepatic myelolipoma is *** SUMMARY A 44-year-old obese man was found to have a hepatic lesion during his medical *** lesion was 50 mm×57 mm in size and was detected in segment 8(S8)of the liver by *** patient was diagnosed with hepatic lesion 20 years ago,but it was left *** patient had no symptoms,liver dysfunction,hepatitis virus antibody,or tumor marker *** CT showed a welldefined lesion in S8 of the *** central and peripheral areas of the lesion primarily exhibited fat density and hypodensity,*** revealed a capsule-like *** was performed to address the probability of hepatocellular *** lesion was pathologically confirmed as a *** marrow scintigraphy performed using 111InCl3 revealed accumulation of the radiopharmaceutical in the soft tissue component,except in the fat-dominant part of the tumor,as well as in the surrounding liver parenchyma due to the presence of reticuloendothelial cells in the *** This is the first report on the diagnosis of hepatic myelolipoma using 111InCl3 *** effectiveness of bone marrow scintigraphy for diagnosing hepatic myelolipoma might be *** radiopharmaceuticals accumulate in both hematopoietic and reticuloendothelial cells,the accumulation of radiopharmaceuticals in the lesion is obscure.

关键词： Liver 111InCl3 Myelolipoma Magnetic resonance imaging Benign tumor Case report

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Esophagus and regenerative medicine

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World Journal of Gastroenterology 2012年第47期18卷 6894-6899页

作者： Ricardo Londono Blair A Jobe toshitaka Hoppo Stephen F Badylak McGowan Institute for Regenerative Medicine PittsburghPA 15219United States School of Medicine University of PittsburghPittsburghPA 15261United States Department of Cardiothoracic Surgery University of PittsburghPittsburghPA 15232United States Department of Surgery University of PittsburghPittsburghPA 15213United States Department of Bioengineering University of PittsburghPittsburghPA 15219United States

In addition to squamous cell carcinoma,the incidence of Barrett's esophagus with high-grade dysplasia and esophageal adenocarcinoma is rapidly increasing ***,the current standard of care for esophageal pathology involves resection of the affected tissue,sometimes involving radical *** exception,these procedures are associated with a high morbidity,compromised quality of life,and unacceptable mortality *** medicine approaches to functional tissue replacement include the use of biological and synthetic scaffolds to promote tissue remodeling and *** the case of esophageal repair,extracellular matrix(ECM) scaffolds have proven to be effective for the reconstruction of small patch defects,anastomosis reinforcement,and the prevention of stricture formation after endomucosal resection(EMR).More so,esophageal cancer patients treated with ECM scaffolds have shown complete restoration of a normal,functional,and disease-free epithelium after *** studies provide evidence that a regenerative medicine approach may enable aggressive resection of neoplastic tissue without the need for radical esophagectomy and its associated complications.

关键词：再生医学食管癌肿瘤组织鳞状细胞癌细胞外基质世界范围生活质量上皮细胞

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Cellular irinotecan resistance in colorectal cancer and overcoming irinotecan refractoriness through various combination trials including DNA methyltransferase inhibitors: a review

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Cancer Drug Resistance 2021年第4期4卷 946-964页

作者： Shogo Ozawa toshitaka Miura Jun Terashima Wataru Habano Division of Pharmacodynamics and Molecular Genetics School of PharmacyIwate Medical UniversityYahabaIwate 0283694Japan

Treatment with pharmacological drugs for colorectal cancer(CRC)remains unsatisfactory.A major cause of failure in pharmacotherapy is the resistance of colon cancer cells to the drugs,creating an urgent *** this review,we summarize previous studies on the resistance of CRC cells to irinotecan and discuss possible reasons for *** review presents the following five major causes of irinotecan resistance in human CRC:(1)cellular irinotecan resistance is induced mainly through the increased expression of the drug efflux transporter,ABCG2;(2)cellular irinotecan resistance is also induced in association with a nuclear receptor,pregnane/steroid X receptor(PXR/SXR),which is enriched in the CYP3A4 gene enhancer region in CRC cells by exposing the cells to SN-38;(3)irinotecan-resistant cells possess either reduced DNA topoisomerase I(Top1)expression at both the mRNA and protein levels or Top1 missense mutations;(4)alterations in the tumor microenvironment lead to drug resistance through intercellular vesicle-mediated transmission of miRNAs;and(5)CRC stem cells are the most difficult targets to successfully treat *** the clinical setting,CRC gradually develops resistance to initially effective irinotecan-based *** solve this problem,several clinical trials,such as irinotecan plus cetuximab *** monotherapy,have been *** clinical trial on irinotecan plus guadecitabine,a DNA-methyltransferase inhibitor,has also been conducted.

关键词： Drug resistance colorectal cancer anti-cancer drugs irinotecan ABCG2 DNA topoisomerase I cancer stem cells epigenetics

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Clinical relevance of increased serum preneoplastic antigen in hepatitis C-related hepatocellular carcinoma

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World Journal of Gastroenterology 2020年第13期26卷 1463-1473页

作者： Satoyoshi Yamashita Akira Kato toshitaka Akatsuka Takashi Sawada Tomohide Asai Noriyuki Koyama Kiwamu Okita Department of Gastroenterology and Hepatology Japan Community Health Care Organization Shimonoseki Medical CenterShimonosekiYamaguchi 7500061Japan Department of Physiology Faculty of MedicineSaitama Medical UniversityIruma-gunSaitama 3500495Japan Research and Development Division Sekisui Medical Company LimitedRyugasakiIbaraki 3010852Japan Clinical Research Department Eidia Company LimitedChiyoda-kuTokyo 1010032Japan Eisai Company Limited Shinjuku-kuTokyo 1600812Japan Department of Internal Medicine Shunan Memorial HospitalKudamatsuYamaguchi 7440033Japan

BACKGROUND The prognosis of hepatocellular carcinoma(HCC)patients remains poor despite advances in treatment modalities and *** is important to identify useful markers for the early detection of HCC in *** antigen(PNA),originally reported in a rat carcinogenesis model,is increased in the tissues and serum of HCC *** To determine the diagnostic value of PNA for discriminating HCC and to characterize PNA-positive *** Patients with hepatitis C virus(HCV)-related hepatic disorders were prospectively enrolled in this study,which included patients with hepatitis,with cirrhosis,and with HCC.A novel enzyme-linked immunosorbent assay was developed to measure serum PNA concentrations in *** Serum PNA concentrations were measured in 89 controls and 141 patients with HCV infections(50 hepatitis,44 cirrhosis,and 47 HCC).Compared with control and non-HCC patients,PNA was increased in *** receiver operating characteristic curve analysis,the sensitivity of PNA was similar to the HCC markers des-γ-carboxy-prothrombin(DCP)andα-fetoprotein(AFP),but the specificity of PNA was *** was no correlation between PNA and AFP and a significant but weak correlation between PNA and DCP in HCC ***,the correlations with biochemical markers were completely different for PNA,AFP,and DCP;glutamyl transpeptidase was highly correlated with PNA,but not with AFP or DCP,and was significantly higher in PNA-high patients than in PNA-low patients with HCV-related *** PNA may have the potential to diagnose a novel type of HCC in which glutamyl transpeptidase is positively expressed but AFP or DCP is weakly or negatively expressed.

关键词： Serum preneoplastic antigen Hepatitis C virus Hepatocellular carcinoma Des-γ-carboxy-prothrombin α-Fetoprotein Sensitivity Specificity

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Diffusion-weighted imaging might be useful for reactive lymphoid hyperplasia diagnosis of the liver: A case report

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World Journal of Clinical Cases 2020年第21期8卷 5313-5319页

作者： Taro Tanaka Kazuhiro Saito Daisuke Yunaiyama Jun Matsubayashi Yuichi Nagakawa Maki Tanigawa toshitaka Nagao Department of Radiology Tokyo Medical UniversityTokyo 1600023Japan Department of Anatomic Pathology Tokyo Medical UniversityTokyo 1600023Japan Department of Gastrointestinal and Pediatric Surgery Tokyo Medical UniversityTokyo 1600023Japan

BACKGROUND Reactive lymphoid hyperplasia(RLH)of the liver is a rare liver *** is considered difficult to differentiate radiologically from hepatocellular carcinoma,metastatic liver tumor and other *** SUMMARY A 54-year-old woman presented to our hospital with RLH of the *** patient had a diagnosis of metastatic carcinoma of the liver from an unknown origin and subsequently underwent partial ***,histopathological analysis revealed *** lesion showed perinodular enhancement in the arterial phase on contrast-enhanced computed tomography and magnetic resonance *** diffusion-weighted imaging(DWI),we encountered linear hyperintensity along the portal tract consecutive to the liver lesion,which is a new characteristic radiologic *** finding corresponded to the lymphoid cell infiltration of the portal ***,there was strongly restricted diffusion on the apparent diffusion coefficient *** used these characteristic radiologic findings to diagnose the lesion as a lymphoproliferative *** The linear hyperintensity consecutive to the liver lesion on DWI provided additional valuable diagnostic information.

关键词： Reactive lymphoid hyperplasia Pseudolymphoma Magnetic resonance imaging Diffusion-weighted imaging Perinodular enhancement Portal tract infiltration Case report

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Diagnostic efficacy of gadoxetic acid-enhanced MRI for hepatocellular carcinoma and dysplastic nodule

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World Journal of Gastroenterology 2011年第30期17卷 3503-3509页

作者： Kazuhiro Saito Ryota Nishio Toru Saguchi Soichi Akata Koichi Tokuuye Fuminori Moriyasu Katsutoshi Sugimoto Junichi Taira toshitaka Nagao Department of Radiology Tokyo Medical University160-0023 TokyoJapan Department of Gastroenterology and Hepatology Tokyo Medical University160-0023 TokyoJapan Department of Diagnostic Pathology Tokyo Medical University160-0023 TokyoJapan

AIM:To evaluate the relationship between the signal intensity of hepatobiliary phase images on gadoxetic acid-enhanced magnetic resonance imaging(MRI)and histological ***:Fifty-nine patients with 82 hepatocellular lesions were evaluated *** phase images on gadoxetic acid-enhanced MRI were classified into 3 groups:low,iso or *** computed tomography(CT)findings were also classified into 3 groups:CT during arterial portography,and CT hepatic arteriography:A:iso,iso or low;B:slightly low,iso or low;;and C:low,*** correlated angiography-assisted CT,hepatobiliary phase findings during gadoxetic acid-enhanced MRI and histological ***,correlations between MRI findings and histological grade for each hemodynamic pattern were *** among radiologicaland pathological findings were statistically evaluated using the chi-square test and Fisher's exact ***:There was a significant correlation between histological grade and hemodynamic pattern(P0.05).CONCLUSION:Signal intensity in the hepatobiliary phase correlated with histological grade in the lesions that maintained portal blood flow,but did not correlate in lesions that showed decreased or defective portal blood flow.

关键词： MRI图像肝癌计算机断层扫描动力学模式信号强度病变组织疗效诊断

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Relationship between the Concentration of Impurity and Albedo in Snow Surface

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Atmospheric and Climate Sciences 2015年第4期5卷 426-432页

作者： Yuki Komuro toshitaka Suzuki Graduate School of Science and Engineering Yamagata University Yamagata Japan

Recent decline of cryosphere typified by retreat of glaciers is often explained by temperature rise due to global warming. However, the existence of glaciers shrinking since before 1950s warming accelerated suggested that decline of cryosphere may be due to not only temperature rise, but also another possibility. As a possible cause of snow and ice melting, it has been pointed out that the surface albedo reduction due to increase of snow impurity, aeolian dust and anthropogenic pollutant, for example. To clarify the quantitative relationship between albedo and impurity in snow surface, we investigated the correlativity of turbidity and metal concentration in snow to the snow surface albedo from the simultaneous observations on the snow-covered area in Yamagata, Japan. The observed albedo shows a tendency of decrease with the turbidity increase in snow surface, we could find strong correlation between the albedo and the turbidity in 76% of contribution factor using logarithmic regression analysis. The relationship of albedo to total concentration of Fe and Al in snow surface shows the similar tendency to turbidity, we could model the relationship using logarithmic equation with high value of contribution ratio, 74% and 66%, respectively. The concentration ratio of Fe/Al is nearly constant with about 0.75, which is close to mean crustal ratio of both elements, therefore, it can be said there is a strong correlation between the albedo and the concentration of mineral particle in snow surface. We cannot find a significant correlation between the albedo and total concentration of Na in snow surface. It can be considered that Na existed as dissolved ion has not significant effect to the albedo in snow surface. These results indicate that the snow albedo correlates strongly with the particulate matter in snow surface, which is typified by mineral particle.

关键词： Snow Albedo Snow Impurity Mineral Particle Metal Analysis Acid Digestion

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