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COVID-19-activated SREBP2 disturbs cholesterol biosynthesis and leads to cytokine storm

Signal Transduction and Targeted Therapy 2020年第1期5卷 910-920页

作者： Wonhwa Lee June Hong Ahn Hee Ho Park Hong Nam Kim Hyelim Kim Youngbum Yoo Hyosoo Shin Kyung Soo Hong Jong Geol jang Chun Gwon Park eun Young Choi Jong-Sup Bae Young-Kyo Seo Aging Research Center Korea Research Institute of Bioscience and BiotechnologyDaejeon 34141Republic of Korea Division of Pulmonology and Allergy Department of Internal MedicineCollege of MedicineYeungnam University and Regional Center for Respiratory DiseasesYeungnam University Medical CenterDaegu 42415Republic of Korea Department of Biotechnology and Bioengineering Kangwon National UniversityChuncheonGangwon-do 24341Republic of Korea Center for BioMicrosystems Brain Science InstituteKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea Division of Bio-Medical Science and Technology KIST SchoolKorea University of Science and TechnologySeoul 02792Republic of Korea College of Pharmacy Chungnam National UniversityDaejeon 34134Republic of Korea Department of Biomedical Engineering SKKU Institute for ConvergenceSungkyunkwan University(SKKU)SuwonRepublic of Korea Biomedical Institute for Convergence at SKKU(BICS) Sungkyunkwan University2066 Seobu-roJangan-guSuwon 16419Republic of Korea College of Pharmacy CMRIResearch Institute of Pharmaceutical SciencesBK21 Plus KNU Multi-Omics based Creative Drug Research TeamKyungpook National UniversityDaegu 41566Republic of Korea

Sterol regulatory element binding protein-2(SREBP-2)is activated by cytokines or pathogen,such as virus or bacteria,but its association with diminished cholesterol levels in COVID-19 patients is ***,we evaluated SREBP-2 activation in peripheral blood mononuclear cells of COVID-19 patients and verified the function of SREBP-2 in ***,we report the first observation of SREBP-2 C-terminal fragment in COVID-19 patients’blood and propose SREBP-2 C-terminal fragment as an indicator for determining *** confirmed that SREBP-2-induced cholesterol biosynthesis was suppressed by Sestrin-1 and PCSK9 expression,while the SREBP-2-induced inflammatory responses was upregulated in COVID-19 ICU *** an infectious disease mouse model,inhibitors of SREBP-2 and NF-κB suppressed cytokine storms caused by viral infection and prevented pulmonary *** results collectively suggest that SREBP-2 can serve as an indicator for severity diagnosis and therapeutic target for preventing cytokine storm and lung damage in severe COVID-19 patients.

关键词： cytokine diagnosis damage

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Adenosine monophosphate enhances callus regeneration competence for de novo plant organogenesis

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Molecular Plant 2023年第12期16卷 1867-1870页

作者： Hong Gil Lee Seo Young jang eun Yee Jie Seung Hee Choi Ok-Sun Park Soon Hyung Bae Hyun-Soon Kim Suk Weon Kim Geum-Sook Hwang Pil Joon Seo Department of Chemistry Seoul National UniversitySeoul 08826Korea Plant Genomics and Breeding Institute Seoul National UniversitySeoul 08826Korea Integrated Metabolomics Research Group Western Seoul CenterKorea Basic Science InstituteSeoul 03759Korea Biological Resource Center Korea Research Institute of Bioscience and BiotechnologyJeongeup56212Korea Plant Systems Engineering Research Center Korea Research Institute of Bioscience and BiotechnologyDaejeon 34141Korea College of Pharmacy Chung-Ang UniversitySeoul 06974Korea

Dear Editor,Plant tissue culture involves callus formation and de novo shoot ***,explants from differentiated tissues are used to generate a pluripotent cell mass,called callus,on auxin-rich callus-inducing medium(CIM),followed by shoot regeneration on cytokinin-rich shoot-inducing medium(SiM).Callus results from division of pericycle-like cells(Atta et al.,2009;Sugimoto et al.,2010);its cellular identity resembles that of lateral root primordia(Atta et al.,2009;Sugimoto et al.,2010).Callus acquires cellular pluripotency by forming root stem cell niches on CIM(Sugimoto et al.,2010)。

关键词： Adenosine callus

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Regulation of c-SMAC formation and AKT-mTOR signaling by the TSG101-IFT20 axis in CD4^(+)T cells

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Cellular & Molecular Immunology 2023年第5期20卷 525-539页

作者： Jiung Jeong In Kang Yumin Kim Keun Bon Ku jang Hyun Park Hyun-Jin Kim Chae Won Kim Jeongwoo La Hi eun Jung Hyeon Cheol Kim Young Joon Choi Jaeho Kim Joon Kim Heung Kyu Lee Graduate School of Medical Science and Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea Department of Internal Medicine Seoul National University HospitalSeoul 03080Republic of Korea Department of Biological Sciences KAISTDaejeon 34141Republic of Korea Department of Convergent Research of Emerging Virus Infection Korea Research Institute of Chemical TechnologyDaejeon 34114Republic of Korea.

CD4^(+)T cells play major roles in the adaptive immune system,which requires antigen recognition,costimulation,and cytokines for its elaborate *** studies have provided new insight into the importance of the supramolecular activation cluster(SMAC),which comprises concentric circles and is involved in the amplification of CD4^(+)T cell ***,the underlying mechanism of SMAC formation remains poorly ***,we performed single-cell RNA sequencing of CD4^(+)T cells left unstimulated and stimulated with anti-CD3 and anti-CD28 antibodies to identify novel proteins involved in their *** found that intraflagellar transport 20(IFT20),previously known as cilia-forming protein,was upregulated in antibody-stimulated CD4^(+)T cells compared to unstimulated CD4^(+)T *** also found that IFT20 interacted with tumor susceptibility gene 101(TSG101),a protein that endocytoses ubiquitinated T-cell *** interaction between IFT20 and TSG101 promoted SMAC formation,which led to amplification of AKT-mTOR ***,IFT20-deficient CD4^(+)T cells showed SMAC malformation,resulting in reduced CD4^(+)T cell proliferation,aerobic glycolysis,and cellular ***,mice with T-cell-specific IFT20 deficiency exhibited reduced allergen-induced airway ***,our data suggest that the IFT20-TSG101 axis regulates AKT-mTOR signaling via SMAC formation.

关键词： CD4^(+)T cell Intraflagellar transport 20 Tumor susceptibility gene 101 AKT-mTOR signaling Asthma Supramolecular activation cluster

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Differences between Cheeks and Dorsal Hands Skin Properties during Skiing in a Cold and Windy Environment

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Journal of Cosmetics, Dermatological Sciences and Applications 2017年第1期7卷 27-33页

作者： Sue Im jang Jiyei Choi Jiyeon Han eun Joo Kim Hae Kwang Lee AMORE PACIFIC Corporation/R & D CENTER Yongin Korea

Background/Purpose: The skin protects against external factors and this skin function can be affected by environmental conditions, including low temperature, low humidity, and high altitude. Therefore, it is important to study the relationship between the environment and the skin. The purpose of this study is to determine how the skin barrier functions change at low temperatures. Methods: This study was performed at a Korean ski resort on January 2015 and evaluated 10 subjects skin condition during skiing. Skin properties were examined at 2 sites (cheeks and dorsal hands) and four time points (indoor;baseline, outdoor;after first skiing and after second skiing, indoor;after taking a shower). Results: The skin hydration on the cheek decreased after the second skiing session and the erythema decreased only after the first skiing while this value on dorsal hand was not changed by skiing. The brightness and yellowness of cheek skin increased and redness decreased therefore, skin color became pale during skiing. The extensibility of cheeks and dorsal hands decreased after skiing. We found positive correlation between skin temperature and redness (r2 = 0.707, p Conclusions: Low temperatures can affect human skin color so that the skin color becomes pale because capillary blood vessels shrink when skin is exposed to cold environment. The cheek skin tends to change easily than dorsal hand during ambient temperature change.

关键词： Low Temperature Environment Skiing Hydration Skin Color Elasticity Skin Temperature Skin Redness

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Comparison of a novel bedside portable endoscopy device with nasogastric aspiration for identifying upper gastrointestinal bleeding

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World Journal of Gastroenterology 2014年第25期20卷 8221-8228页

作者： Jong Hwan Choi Jae Hyuk Choi Yoo Jin Lee Hyung Ki Lee Wang Yong Choi eun Soo Kim Kyung Sik Park Kwang Bum Cho Byoung Kuk jang Woo Jin Chung Jae Seok Hwang Division of Gastroenterology and Hepatology Department of Internal Medicine Keimyung University School of MedicineDaegu 700-712South Korea

AIM: To compare outcomes using the novel portable endoscopy with that of nasogastric (NG) aspiration in patients with gastrointestinal bleeding.

关键词： Endoscopy Gastrointestinal bleeding Nasogastric aspiration

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Retinoic acid enhances lactoferrin-induced IgA responses by increasing betaglycan expression

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Cellular & Molecular Immunology 2016年第6期13卷 862-870页

作者： Jeong-Min Lee Young-Saeng jang Bo-Ra Jin Sun-Jin Kim Hyeon-Jin Kim Bo-eun Kwon Hyun-Jeong Ko Sung-il Yoon Geun-Shik Lee Woan-Sub Kim Goo-Young Seo Pyeung-Hyeun Kim Department of Molecular Bioscience School of Biomedical Science Kangwon National University Chuncheon Republic of Korea Laboratory of Microbiology and Immunology College of Pharmacy Kangwon National University Chuncheon Republic of Korea Department of Systems Immunology College of Biomedical Science Kangwon National University Chuncheon 200-701 Republic of Korea College of Veterinary Medicine Kangwon National University Chuncheon Gangwon 200-701 Republic of Korea Department of Animal Life and Environmental Science College of Agriculture and Life Science Hankyong National University Anseong-si 456-749 Republic of Korea

Lactoferrin （LF） and retinoic acid （RA） are enriched in colostrum, milk, and mucosal tissues. We recently showed that LF-induced IgA class switching through binding to betaglycan （transforming growth factor-beta receptor III, TpRIII） and activation of canonical TGF-p signaling. We investigated the combined effect of LF and RA on the overall IgA response. An increase in IgA production by LF was further augmented by RA. This combination effect was also evident in Ig germ-line α （GLa） transcription and GLa promoter activity, indicating that LF in cooperation with RA increased IgA isotype switching. We subsequently found that RA enhanced TβRIII expression and that this increase contributed to LF-stimulated IgA production. In addition to the IgA response, LF and RA in combination also enhanced the expression of the gut-homing molecules C-C chemokine receptor 9 （CCR9） and a4β7 on B cells. Finally, peroral administration of LF and RA enhanced the frequency of CCR9＋ IgA＋ plasma cells in the lamina propria. Taken together, these results suggest that LF in cooperation with RA can contribute to the establishment of gut IgA responses.

关键词： gut homing molecule IgA lactoferrin retinoic acid TGF-β receptor

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Diagnostic value for extrahepatic metastases of hepatocellular carcinoma in positron emission tomography/computed tomography scan

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World Journal of Gastroenterology 2012年第23期18卷 2979-2987页

作者： Ji eun Lee Jae Young jang Soung Won Jeong Sae Hwan Lee Sang Gyune Kim Sang-Woo Cha Young Seok Kim Young Deok Cho Hong Soo Kim Boo Sung Kim So Young Jin Deuk Lin Choi Institution for Digestive Research Digestive Disease Center Department of Internal Medicine Soonchunhyang University Hospital Seoul 140-743 South Korea Institution for Digestive Research Digestive Disease Center Department of Internal Medicine Soonchunhyang University Hospital Cheon-an 330-721 South Korea Institution for Digestive Research Digestive Disease Center Department of Internal Medicine Soonchunhyang University Hospital Bu-cheon 420-767 South Korea Department of Pathology Soonchunhyang University Hospital Seoul 140-743 South Korea Department of Radiology Soonchunhyang University Hospital Seoul 140-743 South Korea

AIM: To evaluated the value of 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) scan in diagnosis of hepatocellular carcinoma (HCC) and extrahepatic metastases. METHODS: A total of 138 patients with HCC who had both conventional imaging modalities and 18F-FDG PET/CT scan done between November 2006 and March 2011 were enrolled. Diagnostic value of each imaging modality for detection of extrahepatic metastases was evaluated. Clinical factors and tumor characteristics including PET imaging were analyzed as indicative factors for metastases by univariate and multivariate methods. RESULTS: The accuracy of chest CT was significantly superior compared with the accuracy of PET imaging for detecting lung metastases. The detection rate of metastatic pulmonary nodule ≥ 1 cm was 12/13 (92.3%), when < 1 cm was 2/10 (20%) in PET imaging. The accuracy of PET imaging was significantly superior compared with the accuracy of bone scan for detecting bone metastases. In multivariate analy- sis, increased tumor size (≥ 5 cm) (P = 0.042) and increased average standardized uptake value (SUV) uptake (P = 0.028) were predictive factors for extrahepatic metastases. Isometabolic HCC in PET imaging was inversely correlated in multivariate analysis (P = 0.035). According to the receiver operating characteristic curve, the optimal cutoff of average SUV to predict extrahepatic metastases was 3.4. CONCLUSION: 18F-FDG PET/CT scan is invaluable for detection of lung metastases larger than 1 cm and bone metastases. Primary HCC having larger than 5 cm and increased average SUV uptake more than 3.4 should be considered for extrahepatic metastases.

关键词： ^ 18F-fluorodeoxyglucose positron emissiontomography/computed tomography scan Diagnosis Hepatocellular carcinoma ExtrahepaUc metastases

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Long-term result of endoscopic Histoacryl （N-butyl-2-cyanoacrylate）injection for treatment of gastric varices

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World Journal of Gastroenterology 2011年第11期17卷 1494-1500页

作者： eun Jung Kang Soung Won Jeong Jae Young jang Joo Young Cho Sae Hwan Lee Hyun Gun Kim Sang Gyune Kim Young Seok Kim Young Koog Cheon Young Deok Cho Hong Soo Kim Boo Sung Kim Institute for Digestive Research Department of Internal MedicineSoonchunhyang University College of MedicineSeoul HospitalSeoul 140-743South Korea

AIM:To evaluate the long-term efficacy and safety of endoscopic obliteration with Histoacryl  for treatment of gastric variceal bleeding and ***:Between January 1994 and March 2010 at SoonChunHyang University Hospital,a total of 127 patients with gastric varices received Histoacryl  injections *** hundred patients underwent endoscopic Histoacryl  injections because of variceal bleeding,the other 27 patients received such injections as a prophylactic ***:According to Sarin classification,56 patients were GOV1,61 patients were GOV2 and 10 patients were *** of the varices were large(F2 or F3,111 patients).The average volume of Histoacryl  per each session was 1.7±1.3 cc and mean number of sessions was 1.3±0.6.(1 session-98 patients,2 sessions-25 patients,≥3 sessions-4 patients).Twenty-seven patients with high risk of bleeding(large or fundal or RCS+or Child C) received Histoacryl  injection as a primary prophylactic *** these patients,hepatitis B virus was the major etiology of cirrhosis,25 patients showed GOV1 or 2(92.6%)and F2 or F3 accounted for 88.9%(n=24).The rate of initial hemostasis was 98.4%and recurrent bleeding within one year occurred in 18.1%of *** hemostasis during episodes of rebleeding was achieved in 73.9%of *** survival was 50 mo (95%CI 30.5-69.5).Major complications occurred in 4 patients(3.1%).The rebleeding rate in patients with hepatocellular carcinoma or GOV2 was higher than in those with other *** of the 27 subjects who were treated prophylactically experienced treatment-related *** survival rates of the 127 patients at 6 mo,1,3,and 5 years were 92.1%,84.2%,64.2%,and 45.3%,*** 6 mo cumulative survival rate of the 27 patients treated prophylactically was 75%.CONCLUSION:Histoacryl  injection therapy is an effective treatment for gastric varices and also an effective prophylactic treatment of gastric varices which

关键词： Gastric varix Prophylaxis Histoacryl  (Nbutyl-2-cyanoacrylate) Histoacryl  injection Treatment of gastric varix

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A Case Study of Adolescent Identity Design Education by Design Thinking–Focus on Mind Map and Persona

A Case Study of Adolescent Identity Design Education by Desi...

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2012 International Conference in Humanities,Social Sciences and Global Business Management(ISSGBM 2012)

作者： Jung,Eui-Chul Kim,eun-Jeong jang,Yung-Joo

Recently, design thinking is applied as a creative method for problem solving in different fields. The research was held to figure out if the design thinking can help in developing the ego identities and future career exploration of the high school students. The importance of the adolescent identity formation was demonstrated with different theories, and the efficiency of an expressive education method had addressed by many scholars. The research deals with the case study of the program from the 36 th creative workshop held under the joint auspices of Korean Foundation for the Advancement of Science and Creativity and Yonsei University. The theme of the workshop was "Identity Design" targeting high school students and their parents. The program was designed to educate students to find out their own identities and explore their potential career paths with the creative design thinking methods, a mind map and a persona design.

关键词： Identity design Adolescent identity formation High school Mind map Persona Design

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The Clinical Report on 3 cases of The patients of extruded disc Treated with Motion Style Treatment

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世界中医骨科杂志 2007年第1期9卷 7-11页

作者： Jae-hee Cho Hyo-eun Lee Joo-hyun Song Ja-young Moon Myung-jang Lim In Kang Hyoung-seok jang Dept of Acupuncture ＆ Moxibustion Jaseng Hospital of Oriental Medicine

Objectives: the purpose of this study is to report the improvement of HIVD patients with gait difficulty, who treated by M.S.T(Motion Style Treatment) Methods: the clinical study was done on 3 cases of patients with disc extrusion, whose walking ability was not improved after the admission in Ja-Seng Oriental Medicine Hospital for a *** checked the walking time and NRS score after the treatment of M.S.T(Motion Style Treatment) each ***: the walking time increased after the treatment of M.S.T(Motion Style Treatment).Whereas NRS score decreased after the treatment of M.S.T(Motion Style Treatment).after 2-3 weeks of treatment, 3 cases of patients could walk more than 20 minutes.

关键词：运动功能康复腰椎间盘突出病例步态训练

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