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Bioprocessed Black Rice Bran Potentiates the Growth Inhibitory Activity of an Immune Checkpoint Inhibitor against Murine Colon Carcinoma

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Food and Nutrition Sciences 2023年第12期14卷 1149-1171页

作者： Kyung Hee lee Ki Sun Kwon Woon Sang Hwang wha young lee Jeanman Kim Sang Jong lee Sung Phil Kim Mendel Friedman STR Biotech Co. Ltd. Chuncheon Republic of Korea U.S. Department of Agriculture Western Regional Research Center Agricultural Research Service Albany CA USA

This study determined the effect of orally fed polysaccharide-rich bioprocessed (fermented) black rice bran produced by culturing with shiitake (Lentinus edodes) mushroom mycelium on CT-26 colon cancer cells in vivo in an intracutaneously transplanted mouse tumor alone and in combination with intraperitoneally administered anti-PD-1 immune checkpoint inhibitor. Analysis of the isolated tumor weights at the end of the study shows that the average tumor size in control mice is 3.78 grams, and the average tumor size in mice treated with anti-PD-1 antibody is 2.16 grams. The average tumor size in mice treated with BRB-F alone is 2.25 grams, and the average tumor size in mice treated with anti-PD-1 antibody BRB-F combination is 1.38 grams. Thus, BRB-F or anti-PD-1 antibody alone each reduce tumor size by 40.5% or 42.9%, whereas the combination of BRB-F and anti-PD-1 antibody reduces tumor size by 63.5%, with their cooperative effect being statistically significant. The observed anti-tumor effects were accompanied by a series of biomarkers associated with cancer formation and inhibition. These results indicate that the reported potentiation of cancer therapy using drug-based medical chemotherapies with added checkpoint inhibitors in human patients are mechanistically similar with the functional food evaluated in the present study. These beneficial effects in mice challenge clinicians to investigate if the black rice bran food product can also protect against human cancer.

关键词： Black Rice Bran Mushroom Mycelia Bioprocessing Immune Checkpoint Inhibitor Mice Tumor Regression Cancer Prevention Biomarkers Mechanism Research Needs

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Protection of Allergic Asthma in Mice by Black Rice Bran Bioprocessed with Shiitake Mushroom Mycelia

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Food and Nutrition Sciences 2023年第4期14卷 341-368页

作者： Ki Sun Kwon Woon Sang Hwang Kyung Hee lee Kyung Jin Kim wha young lee Jeanman Kim Sang Jong lee Sung Phil Kim Mendel Friedman STR Biotech Co. Ltd. Chuncheon Republic of Korea U.S. Department of Agriculture Western Regional Research Center Agricultural Research Services Albany CA USA

We evaluated the potential of orally fed new food formulations to inhibit biomarkers reported to be involved in the causes of allergic asthma in mice. Asthma, a serious non-communicable disease, affects both adults and children and can be undertreated. New functional foods could provide therapeutic approaches. Here, the anti-asthma mechanism of a new functional food and three isolated fractions produced by bioprocessing black rice bran with shiitake mushroom mycelia was evaluated in mast cells, B cells, and orally fed mice and compared with non-bioprocessed black rice bran. In vitro, the treatments inhibited RBL-2H3 cell degranulation and immunoglobulin E (IgE) production. The in vitro anti-asthma effects were confirmed in orally fed mice following asthma induction by alumina and chicken egg ovalbumin (OVA). The suppression of asthma resulted from the inhibition of inflammation- and immune-related substances, including OVA-specific IgE, thymic stromal lymphopoietin, eotaxin, leukotriene C4, prostaglandin D2, and vascular cell adhesion molecule-1 in bronchoalveolar lavage fluid and serum. The treatment also reversed the thickening of the lung airway wall. The inflammation and asthma inhibition seems to be regulated by the balance of the T-helper cells’ Th1/Th2 immune response and the inhibition of multiple biomarkers associated with the cause of asthma. Future human clinical studies with adults and children should determine the potential therapeutic value of the anti-asthma effects of the new functional foods.

关键词： Black Rice Bran Shiitake Mushrooms Bioprocessed Functional Food Mast Cells Mice Feeding Studies Bioassays Cytokines Immunoglobulins Bronchial Lavage Fluid Histology Anti-Inflammatory Effect Asthma Prevention Research Needs

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MAGNETO-ELECTRONIC PROPERTIES OF SI1-XMNX THIN FILMS GROWN BY MBE

MAGNETO-ELECTRONIC PROPERTIES OF SI1-XMNX THIN FILMS GROWN B...

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第8届国际材联电子材料国际研讨会

作者： young Eon Ihm, Chong Ho Park, young wha lee, Han Kyum Kim , Jong Wban Kim School of Materials Engineering, Chungnam National University Daejon, 305-764, Republic of Korea

The electrical and magnetic properties of SiMn thin films have been studied. The thin films were grown on (100)Si substrates by using MBE. Substrate temperature was changed from room temperature to 973 K. Thickness of the SiMn thin films was kept to ～2,500 A. Growth rate, with respect to the cell temperature, was turned out to be the Arrehenius relationship, RHEED patterns were observed in order to analyze the in situ characteristics of growth front. Microstructure of SiMn thin films

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Development of a Powder Extruder System for Dual-pore Tissue-engineering Scaffold Fabrication

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Journal of Bionic Engineering 2019年第4期16卷 686-695页

作者： Nae-Un Kang Myoung wha Hong young Yul Kim young-Sam Cho Seung-Jae lee Department of Mechanical Design Engineering College of EngineeringWonkwang University460 Iksandae-roIks an Jeonbuk570-749Republic of Korea Department of Orthopedics Daejeon StMary's HospitalCatholic University of Korea64Daeheung-i Jung-guDaejeon301-723Republic of Korea

In this study,we developed a powder extruder system that can extrude and deposit powder mixtures to overcome the reported limitations of conventional dualpore scaffold manufacturing *** evaluate the extrusion and deposition capability of the powder extruder system,3D tissue-engineering scaffolds with dual-pore characteristics were fabricated with a PCL/PEO/NaCl(polycaprolactone/polyethylene oxide/sodium chloride)powder *** addition,to evaluate the fabricated scaffolds,their compressive modulus,morphology,and in-vitro cell activity were ***,it was confirmed that the proposed powder extruder system can fabricate dual-pore scaffolds with well-interconnected pores as well as arbitrary 3D shapes shown by the fabrication of a 3D femur-shape scaffold similar to the femur *** results of the cell proliferation and Cell Counting Kit-8(CCK-8)assays,DNA content analysis and viability assays confirm that the dual-pore scaffold fabricated by the powder extruder system improves cell attachment,proliferation,and viability.

关键词： dual-pore scaffold powder extruder system polycaprolactone 3D tissue-engineering scaffold

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Ties Binding Asia,Europe and the USA

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China & World Economy 2011年第1期19卷 24-46页

作者： Soyoung Kim Jong-wha lee Cyn-young Park Department of Economics Seoul National UniversitySeoulRep.of Korea Department of Economics Korea UniversitySeoulRep.of Korea Office of Regional Economic Integration Asian Development BankManilaPhilippines

We investigate changes in Asia＇s regional and global trade linkages and their influence on macroeconomic relationships among Asia, Europe and the USA. We first document changes in tripartite trade patterns and discuss sO, lized facts about East Asia ＂s trade structure, with particular focus on the role of China. China plays a critical role in the rapidly expanding intra-Asian trade as an assembly and produetion center that supplies final goods for the advanced economies. However, China ＂s trade shares in final goods with East Asia and in parts and components with Europe and the USA are rising, suggesting that the region ＂s production chains are becoming increasingly integrated into the global business network. Empirical results from a panel vector autoregression model generally confirm increasingly mutual macroeconomic interdependence among East Asia, Europe and the USA. The findings suggest a future role for Asia as an important trade partner and balancing power in the world economy.

关键词： East Asia economic interdependence panel VAR trade integration

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Fabrication of Dual-pore Scaffolds Using a Combination of Wire-Networked Molding （WNM） and Non-solvent Induced Phase Separation （NIPS） Techniques

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Journal of Bionic Engineering 2015年第4期12卷 565-574页

作者： Dong Guk Sohn Myoung wha Hong young Yul Kim young-Sam Cho Division of Mechanical and Automotive Engineering College of Engineering Wonkwang University 460 Iksandae-ro Iksan Jeonbuk 570-749 Republic of Korea Department of Orthopedics Daejeon St. Mary's Hospital Catholic University of Korea 64 Daeheung-ro Jung-gu Daejeon 301-723 Republic of Korea

In this study, to fabricate dual-pore scaffolds with interconnected pores, Non-solvent Induced Phase Separation （NIPS） and Wire-Network Molding （WNM） techniques were combined. First, a mold with uniform slits was prepared, and needles were inserted into the mold. Subsequently, polycaprolactone （PCL） pellets were dissolved in tetrahydrofuran （THF） at a specified ratio. The slurry was mixed using hot plate stirrer at 1200 rpm for 24 hours at 40 ~C. The PCL slurry was subsequently injected into the mold. Thereafter, to exchange the THF （solvent） with the ethanol （non-solvent）, the mold was soaked in an ethanol bath. After removing the mold from the ethanol bath, the needles were removed from the mold. Consequently, dual-pore scaffold with interconnected pores was obtained. The surface morphology of the fabricated scaffolds were observed using Scanning Electron Microscope （SEM）. Moreover, cell culture experiments were performed using the CCK-8 assay, and the characteristics of cells grown on the dual-pore scaffolds were assessed and were compared with the NIPS-based 3D plotting scaffold.

关键词： tissue engineering scaffold polycaprolactone (PCL) Wire-Network Molding (WNM) Non-solvent Induced Phase Separation (NIPS)

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Undifferentiated pleomorphic sarcoma of the liver presenting as a unilocular cyst

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Hepatobiliary & Pancreatic Diseases International 2009年第5期8卷 541-543页

作者： Hyun-Soo Kim Gou young Kim Sung-Jig Lim Sang Mok lee Youn wha Kim Departments of Pathology School of MedicineKyung Hee University1 Hoegi-dongDongdaemun-gu130-702 SeoulSouth Korea Departments of Surgery School of MedicineKyung Hee University1 Hoegi-dongDongdaemun-gu130-702 SeoulSouth Korea

BACKGROUND:A malignant fibrous histiocytoma,recently referred to as an undifferentiated pleomorphic sarcoma (UPS),is very rare in the liver,and only 34 cases of primary hepatic malignant fibrous histiocytoma have been reported in the English literature. METHODS:We report a rare case of a hepatic UPS presenting as a unilocular cystic lesion with respect to histopathologic features,the newly revised diagnostic criteria,and the differential diagnosis. RESULTS:A 60-year-old man presented for evaluation of epigastric pain of 7 months *** computed tomography revealed a hypodense,unilocular cystic mass in the right lobe of the liver,measuring 14.0×11.1 cm.A right lobectomy was ***,the cut surface showed a single,well-circumscribed unilocular cystic tumor mass containing dark red-brown necrotic debris and blood clots, which occupied most of the ***,the tumor consisted of haphazardly arranged mononuclear pleomorphic tumor cells,admixed with abundant osteoclast- like multinucleated giant ***,the tumor cells expressed vimentin *** histopathologic and immunohistochemical findings were compatible with a *** patient is alive and well 41 months after surgery without recurrence. CONCLUSIONS:Clinically,most of the hepatic UPSs are solid *** two cases have presented as multilocular cystic masses.A primary hepatic UPS presenting as a unilocular cyst has never been reported.A UPS should be included in the differential diagnosis of unilocular cystic lesions in the liver.

关键词： undifferentiated pleomorphic sarcoma malignant fibrous histiocytoma liver unilocular cyst

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Cardiac metastasis from colorectal cancer:A case report

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World Journal of Gastroenterology 2009年第21期15卷 2675-2678页

作者： Pyong wha Choi Chul Nam Kim Sun Hee Chang Woo Ik Chang Chang young Kim Hyun Min Choi Department of Surgery Ilsan Paik HospitalInje University College of Medicine Department of Diagnostic Pathology Ilsan Paik HospitalInje University College of Medicine Department of Chest Surgery Ilsan Paik HospitalInje University College of Medicine Department of Internal Medicine Ilsan Paik HospitalInje University College of Medicine

The heart is an unusual site of metastasis from any malignancy. We report a case of cardiac metastasis from colorectal cancer. A 70-year-old woman was referred with a presumptive diagnosis of sigmoid colon cancer with cardiac myxoma. Two-dimensional echocardiography showed a 4 cm x 4.5 cm mobile mass on the lateral right atrial wall, and computed tomography revealed a low attenuated Iobulating mass in the right atrium. The patient underwent anterior resection for sigmoid colon cancer （T4N2）. Thereafter, she experienced progressive shortness of breath. Therefore, a cardiac operation was performed 2 wk after the colorectal operation. Histological examination revealed adenocarcinoma, which was identical to the primary lesion. Although two- dimensional echocardiography has become the diagnostic test of choice for detecting cardiac tumors, in patients with colorectal cancer showing a cardiac mass, further diagnostic evaluation such as a magnetic resonance imaging might be necessary.

关键词： Heart Cardiac metastasis Colorectalcancer Atrial myxoma Magnetic resonance imaging

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A Comparative Analysis of Job Stress of Field Managers and Workers in Korean Construction Projects

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Journal of Building Construction and Planning Research 2013年第3期1卷 55-60页

作者： Zhen Zhang Woo-Hwan lee young-wha Choi Sung-Hoon An Department of Architectural Engineering Daegu University Gyeongsan-Si South Korea

A successful construction project hinges on the effective and efficient management of human resources. The stress of human resources is directly related with work performance, and as such, should be managed to improve work performance. This study aims to perform a comparative analysis of job stress levels after a survey on the job stress of field managers and workers. Through the analysis, it is found that the stress levels of field managers are different from those of the workers and construction field managers and workers get job stress scores less than average scores of Korean male workers. In addition, different personal factors affect the field managers and the workers differently. Therefore, understanding by which factor the other parties become stressed is expected to improve efficiency in the management of human resources.

关键词： Job Stress Comparison Field Manager Worker Korea

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Identifying MicroRNA and mRNA Expression Profiles in Embryonic Stem Cells Derived from Parthenogenetic,Androgenetic and Fertilized Blastocysts

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Journal of Genetics and Genomics 2013年第4期40卷 189-200页

作者： Xiang-Shun Cui Xing-Hui Shen Shao-Chen Sun Sun-wha Cho young-Tae Heo Yong-Kook Kang Teruhiko Wakayama Nam-Hyung Kim Department of Animal Science Chungbuk National UniversityGaeshin-dongCheongjuChungbuk 361-763South Korea Department of Histology and Embryology Harbin Medical UniversityHarbin 150081China College of Animal Science and Technology Nanjing Agricultural UniversityNanjing 210095China Laboratory of Development and Differentiation Korea Research Institute of Bioscience and BiotechnologyDaejeon 305-806South Korea Center for Developmental Biology RIKEN KobeKobe 650-0047Japan

MicroRNAs（miRNAs） are a class of highly conserved small non-coding RNA molecules that play a pivotal role in several cellular *** this study,miRNA and messenger RNA（mRNA） profiles were examined by Illumina microarray in mouse embryonic stem cells（ESCs） derived from parthenogenetic,androgenetic,and fertilized *** global analysis of miRNA-mRNA target pairs provided insight into the role of miRNAs in gene *** showed that a total of 125 miRNAs and 2394 mRNAs were differentially expressed between androgenetic ESCs（aESCs） and fertilized ESCs（fESCs）,a total of 42 miRNAs and 87 mRNAs were differentially expressed between parthenogenetic ESCs（pESCs） and fESCs,and a total of 99 miRNAs and 1788 mRNAs were differentially expressed between aESCs and *** addition,a total of 575,5 and 376 miRNA-mRNA target pairs were observed in aESCs ***,pESCs ***,and aESCs ***,***,15 known imprinted genes and 16 putative uniparentally expressed miRNAs with high expression levels were confirmed by both microarray and real-time ***,transfection of miRNA inhibitors was performed to validate the regulatory relationship between putative maternally expressed miRNAs and target mRNAs. Inhibition of miR-880 increased the expression of Peg3,Dyrklb,and Prrg2 mRNA,inhibition of miR-363 increased the expression of Nfat5 and Soatl mRNA,and inhibition of miR-883b-5p increased Nfat5,Tacstd2,and Ppapdc1 *** results warrant a functional study to fully understand the underlying regulation of genomic imprinting in early embryo development.

关键词： Embryonic stem cell Parthenogenetic Androgenetic Fertilized Microarray miRNA-mRNA network

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