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Single nucleotide polymorphism in the tumor necrosis factor-alpha gene affects inflammatory bowel diseases risk

World Journal of Gastroenterology 2008年第29期14卷 4652-4661页

作者： Lynnette R Ferguson Claudia Huebner Ivonne Petermann Richard B Gearry Murray L Barclay Pieter Demmers Alan McCulloch dug yeo han Discipline of Nutrition the University of AucklandPrivate Bag 92019 Auckland 1142 New Zealand Department of Gastroenterology Christchurch HospitalChristchurch 8140 New Zealand Crop and Food Research Mosgiel 9053 New Zealand AgResearch Limited Mosgiel 9053 New Zealand

AIM: To investigate the role that single nucleotide polymorphisms (SNPs) in the promoter of the tumour necrosis factor-alpha (TNF-α) gene play in the risk of inflammatory bowel diseases (IBDs) in a New Zealand population, in the context of international studies. METHODS: DNA samples from 388 patients with Crohn's disease (CD), 405 ulcerative colitis (UC), 27 indeterminate colitis (IC) and 201 randomly selected controls, from Canterbury, New Zealand were screened for 3 common polymorphisms in the TNF-α receptor: -238 G→A, -308 G→A and -857C→T, using a TaqmanR assay. A meta-analysis was performed on the data obtained on these polymorphisms combined with that from other published studies. RESULTS: Individuals carrying the -308 G/A allele had a significantly (OR = 1.91, χ2 = 17.36, P < 0.0001) increased risk of pancolitis, and a 1.57-fold increased risk (OR = 1.57, χ2 = 4.34, P = 0.037) of requiring a bowel resection in UC. Carrying the -857 C/T variant decreased the risk of ileocolonic CD (OR = 0.56, χ2 =4.32, P = 0.037), and the need for a bowel resection (OR = 0.59, χ2 = 4.85, P = 0.028). The risk of UC was reduced in individuals who were smokers at diagnosis, (OR = 0.48, χ2 = 4.86, P = 0.028). CONCLUSION: TNF-α is a key cytokine known to play a role in inflammatory response, and the locus for the gene is found in the IBD3 region on chromosome 6p21, known to be associated with an increased risk for IBD. The -308 G/A SNP in the TNF-α promoter is functional, and may account in part for the increased UC risk associated with the IBD3 genomic region. The -857 C/T SNP may decrease IBD risk in certain groups. Pharmaco- or nutrigenomic approaches may be desir- able for individuals with such affected genotypes.

关键词： Tumour necrosis factor alpha Singlenucleotide polymorphisms Inflammatory boweldiseases Crohn's disease Ulcerative colitis

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Machine-learned wearable sensors for real-time hand-motion recognition: toward practical applications

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National Science Review 2024年第2期11卷 231-263页

作者： Kyung Rok Pyun Kangkyu Kwon Myung Jin Yoo Kyun Kyu Kim Dohyeon Gong Woon-Hong yeo Seungyong han Seung Hwan Ko Department of Mechanical Engineering Seoul National University IEN Center for Human-Centric Interfaces and Engineering Institute for Electronics and NanotechnologyGeorgia Institute of Technology School of Electrical and Computer Engineering Georgia Institute of Technology Department of Chemical Engineering Stanford University Department of Mechanical Engineering Ajou University George W.Woodruff School of Mechanical Engineering Georgia Institute of Technology Institute of Advanced Machinery and Design(SNU-IAMD) Seoul National University

Soft electromechanical sensors have led to a new paradigm of electronic devices for novel motion-based wearable applications in our daily lives. However, the vast amount of random and unidentified signals generated by complex body motions has hindered the precise recognition and practical application of this technology. Recent advancements in artificial-intelligence technology have enabled significant strides in extracting features from massive and intricate data sets, thereby presenting a breakthrough in utilizing wearable sensors for practical applications. Beyond traditional machine-learning techniques for classifying simple gestures, advanced machine-learning algorithms have been developed to handle more complex and nuanced motion-based tasks with restricted training data sets. Machine-learning techniques have improved the ability to perceive, and thus machine-learned wearable soft sensors have enabled accurate and rapid human-gesture recognition, providing real-time feedback to users. This forms a crucial component of future wearable electronics, contributing to a robust human–machine interface. In this review, we provide a comprehensive summary covering materials, structures and machine-learning algorithms for hand-gesture recognition and possible practical applications through machine-learned wearable electromechanical sensors.

关键词： wearable sensor soft electronics artificial intelligence machine learning human–machine interfaces gesture recognition

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基因对于儿童肥胖的影响在小于胎龄儿童中或不重要

基因对于儿童肥胖的影响在小于胎龄儿童中或不重要

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作者： dug yeo han Rinki Murphy Angharad R Morgan 郭婧张帆

小于胎龄儿在日后的生活中面临着更高的患肥胖症和代谢性疾病的风险,目前认为这种风险主要与小于胎龄儿出生后生长加速有关。研究人员对奥克兰出生体重协作研究项目中的小于胎龄儿和适于胎龄儿做了研究,测量并计算这些儿童的BMI-Z评分,...

小于胎龄儿在日后的生活中面临着更高的患肥胖症和代谢性疾病的风险,目前认为这种风险主要与小于胎龄儿出生后生长加速有关。研究人员对奥克兰出生体重协作研究项目中的小于胎龄儿和适于胎龄儿做了研究,测量并计算这些儿童的BMI-Z评分,研究与成人肥胖相关的常见基因变异是否会与小于胎龄儿出生后生长加速有关。研究者将547名欧洲儿童(228名小于胎龄儿和319名适于胎龄儿)进行基因分型,他们被分为共计37个单核苷酸多态性(SNPs)候选基因。重复测量儿童的BMI,并以Z评分法评估肥胖程度,使

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基因对于儿童肥胖的影响在小于胎龄儿童中或不重要

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营养健康新观察 2013年第1期 51-51页

作者： dug yeo han Rinki Murphy Angharad R Morgan 郭婧张帆

小于胎龄儿在日后的生活中面临着更高的患肥胖症和代谢性疾病的风险,目前认为这种风险主要与小于胎龄儿出生后生长加速有关。研究人员对奥克兰出生体重协作研究项目中的小于胎龄儿和适于胎龄儿做了研究,测量并计算这些儿童的BMI-Z评分,... 详细信息

关键词：小于胎龄儿生长加速儿童肥胖出生后成人肥胖代谢性疾病肥胖程度重复测量评分法单核苷酸多

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Role of β-microseminoprotein from prostate cancer initiationto recurrence: A mini-review

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World Journal of Clinical Urology 2014年第1期3卷 20-30页

作者： Nishi Karunasinghe Karen Bishop Pamela Murray Yuanye Xu Megan Goudie Lance Ng Shuotun Zhu dug yeo han Lynnette R Ferguson Jonathan Masters Benji Benjamin Michael Holmes Auckland Cancer Society Research Centre Faculty of Medical and Health Sciences The University of Auckland Discipline of Nutrition Faculty of Medical and Health Sciences The University of Auckland Urology Department Auckland Hospital Radiology Department Auckland Hospital Urology Department Waikato Hospital

Medline/Pubmed articles relevant to this topic were considered using the search terms ?-microseminoprotein, MSMB, prostate secretory protein of 94 amino acids and PSP94. Full articles were retrieved when the abstract was considered relevant. In addition, other data related to this topic including our own are discussed. Summary of fi ndings-?-microseminoprotein(MSMB) is increasingly being considered as a marker for prostatecancer, as reduced levels have been associated with the disease. Here we review various aspects of this protein including its biological and physiological variants, binding proteins and immune modulation; its importance as a marker for biochemical recurrence of prostate cancer; prostate cancer related splice variants and its therapeutic utility. Two of the most important properties of MSMB are related to anticancer functions and immune modulation. Predominant expression of two(short and full-length) splice variants of MSMB has been observed from normal prostate and several other tissues. In benign prostate hyperplasia the short isoform is dominant, constituting 98% of this isoform, whereas in prostate cancer 96% constitute the fulllength isoform. The MSMB promoter single nucleotide polymorphism rs10993994 with the C allele functions as an activated cyclic adenosine monophosphate response element binding protein binding site. This C variant of rs10993994 could be responsible for the production of splice variants under variable conditions. MSMB has binding motifs to a few known proteins including immunoglobulin G and several Cysteine-rich secretory proteins family proteins. MSMB bound to these proteins is considered as immune modulating. Use of MSMB as a urinary marker for detecting aggressive prostate cancers that could resist radiation and surgical treatments, seems possible, but needs further investigation. The ratio of MSMB splice variants could also be a possible approach in understanding prostate cancers, with higher ratios indicating severe di

关键词： β-microseminoprotein Anticancer properties Immune modulation Splice variants Promoter single nucleotide polymorphism rs10993994 Biochemical recurrence

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Evaluating the accuracy and reproducibility of ChatGPT-4 in answering patient questions related to small intestinal bacterial overgrowth

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Artificial Intelligence in Gastroenterology 2024年第1期5卷 14-21页

作者： Lauren Schlussel Jamil S Samaan Yin Chan Bianca Chang Yee Hui yeo Wee han Ng Ali Rezaie Division of Gastroenterology and Hepatology Cedars-Sinai Medical CenterLos AngelesCA 90048United States Bristol Medical School University of BristolBS81THBristolUnited Kingdom Medically Associated Science and Technology Program Cedars-Sinai Medical CenterLos AngelesCA 90048United States

BACKGROUND Small intestinal bacterial overgrowth(SIBO)poses diagnostic and treatment challenges due to its complex management and evolving *** often seek online information related to their health,prompting interest in large language models,like GPT-4,as potential sources of patient *** To investigate ChatGPT-4's accuracy and reproducibility in responding to patient questions related to *** A total of 27 patient questions related to SIBO were curated from professional societies,Facebook groups,and Reddit *** question was entered into GPT-4 twice on separate days to examine reproducibility of accuracy on separate ***-4 generated responses were independently evaluated for accuracy and reproducibility by two motility fellowship-trained gastroenterologists.A third senior fellowship-trained gastroenterologist resolved *** of responses were graded using the scale:(1)Comprehensive;(2)Correct but inadequate;(3)Some correct and some incorrect;or(4)Completely *** responses were generated for every question to evaluate reproducibility in *** In evaluating GPT-4's effectiveness at answering SIBO-related questions,it provided responses with correct information to 18/27(66.7%)of questions,with 16/27(59.3%)of responses graded as comprehensive and 2/27(7.4%)responses graded as correct but *** model provided responses with incorrect information to 9/27(33.3%)of questions,with 4/27(14.8%)of responses graded as completely incorrect and 5/27(18.5%)of responses graded as mixed correct and incorrect *** varied by question category,with questions related to“basic knowledge”achieving the highest proportion of comprehensive responses(90%)and no incorrect *** the other hand,the“treatment”related questions yielded the lowest proportion of comprehensive responses(33.3%)and highest percent of completely incorrect responses(33.3%).A total of 77.8%of questions yielded repr

关键词： Small intestinal bacterial overgrowth Motility Artificial intelligence Chat-GPT Large language models Patient education

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TEMPORAL EIGENVALUE SPECTRA OF BOUNDARY-LAYER FLOW OVER RIGID WALL AND COMPLIANT WALL

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Journal of Hydrodynamics 2001年第1期13卷 70-74页

作者： Zhao, H.Z. yeo, K.S. Dep. of Mechanics Huazhong Univ. of Sci. and Technol. Wuhan 430074 China

The temporal eigenvalue spectra of the equation system for the boundary-layer flows over both rigid wall compliant and viscoelastic compliant wall are numerically studied. In a rigid-wall case only the fluid-based eigenmodes, the Tollmien-Schlichting instability (TSI) mode, exist. In a compliant-wall case, both the TSI and wall-based compliance-induced instability flow instability (CIFI) modes occur. The variations of the two categories of eigenvalues at various wall material stiffness and damping are also displayed.

关键词： Computer simulation Eigenvalues and eigenfunctions Stability

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Cilostazol for secondary stroke prevention:systematic review and meta-analysis

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Stroke & Vascular Neurology 2021年第3期6卷 410-423,I0035-I0053页

作者： Choon han Tan Andrew GR Wu Ching-Hui Sia Aloysius ST Leow Bernard PL Chan Vijay Kumar Sharma Leonard LL yeo Benjamin YQ Tan Department of Medicine Lee Kong Chian School of MedicineNanyang Technological UniversitySingapore Department of Medicine Yong Loo Lin School of MedicineNational University of SingaporeSingapore Department of Cardiology National University Heart CentreSingapore Division of Neurology Department of MedicineNational University Health SystemSingapore

Background Stroke is one of the leading causes of death ***,an antiplatelet and phosphodiesterase 3 inhibitor,has not been clearly established for ischaemic stroke *** aim to determine the efficacy and safety of cilostazol for secondary stroke *** MEDLINE,EMBASE,Cochrane Library,Web of Science and *** were searched from inception to 25 September 2020,for randomised trials comparing the efficacy and safety of cilostazol monotherapy or dual therapy with another antiplatelet regimen or placebo,in patients with ischaemic *** 2 of the Cochrane risk-of-bias tool for randomised trials(RoB 2)was used to assess study *** meta-analysis was reported in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA)*** Eighteen randomised trials comprising 11429 participants were included in this *** trials possessed low risk of bias and were of low *** significantly reduced the rate of ischaemic stroke recurrence(risk ratio,RR=0.69,95%CI 0.58 to 0.81),any stroke recurrence(RR=0.64,95%CI 0.54 to 0.74)and major adverse cardiovascular events(RR=0.67,95%CI 0.56 to 0.81).Cilostazol did not significantly decrease mortality(RR=0.90,95%CI 0.64 to 1.25)or increase the rate of good functional outcome(Modified Rankin Scale score of 0–1;RR=1.07,95%CI 0.95 to 1.19).Cilostazol demonstrated favourable safety profile,significantly reducing the risk of intracranial haemorrhage(RR=0.46,95%CI 0.31 to 0.68)and major haemorrhagic events(RR=0.49,95%CI 0.34 to 0.70).Conclusions Cilostazol demonstrated superior efficacy and safety profiles compared with traditional antiplatelet regimens such as aspirin and clopidogrel for secondary stroke prevention but does not appear to affect functional *** randomised trials can be conducted outside East Asia,or compare cilostazol with a wider range of antiplatelet agents.

关键词： prevention Cilostazol regimen

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Zn-doped nickel iron(oxy)hydroxide nanocubes passivated by polyanions with high catalytic activity and corrosion resistance for seawater oxidation

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Journal of Energy Chemistry 2023年第6期81卷 82-92,I0004页

作者： So Jung Kim Heechae Choi Jeong Ho Ryu Kang Min Kim Sungwook Mhin Arpan Kumar Nayak Junghwan Bang Minyeong Je Ghulam Ali Kyung Yoon Chung Kyeong-han Na Won-Youl Choi Sunghwan yeo Jin Uk Jang HyukSu han Department of Energy Engineering Konkuk University120 Neungdong-roGwangjin-guSeoul 05029Republic of Korea Theoretical Materials&Chemistry Group Institute of Inorganic ChemistryUniversity of CologneGreinst.650939CologneGermany Materials Lab Geobuk-ro 25-50Incheon 22793Republic of Korea Department of Materials Science and Engineering Korea National University of Transportation50 Daehak-roChungjuChungbuk 27469Republic of Korea Korea Institute of Industrial Technology 137-41 Gwahakdanji-roGangneung-siGangwon 25440Republic of Korea Department of Advanced Materials Engineering Kyonggi UniversitySuwon 16227Republic of Korea Korea Institute of Industrial Technology 156 Gaetbeol-roYeonsu-guIncheon 406-840Republic of Korea U.S.-Pakistan Center for Advanced Studies in Energy(USPCASE) National University of Sciences and Technology(NUST)H-12IslamabadPakistan Energy Storage Research Center Korea Institute of Science and TechnologyHwarang-ro 14-gil 5Seongbuk-guSeoul 02792Republic of Korea Division of Energy and Environment Technology KIST SchoolKorea University of Science and TechnologySeoul 02792Republic of Korea Department of Metal and Materials Engineering Gangneung-Wonju National University 7 JukheongilGangneungGangwon 25457Republic of Korea Smart Hydrogen Energy Center Gangneung-Wonju National University7 JukheongilGangneungGangwon 25457Republic of Korea Innovative Fuel Development Division Korea Atomic Energy Research InstituteDaedeok-daero 989-111Yuseong-guDaejeon 305-353Republic of Korea

Electrochemical water splitting to produce hydrogen fuel is a promising renewable energy-conversion ***-scale electrolysis of freshwater may deplete water resources and cause water scarcity ***,seawater electrolysis is a potential solution to the future energy and water *** seawater electrolysis,it is critical to develop cost-effective electrocatalysts to split seawater without chloride ***,we present zinc-doped nickel iron(oxy)hydroxide nanocubes passivated by negatively charged polyanions(NFZ-PBA-S)that exhibits outstanding catalytic activity,stability,and selectivity for seawater *** dopants and polyanion-rich passivated surface layers in NFZ-PBA-S could effectively repel chlorine ions and enhance corrosion resistance,enabling its excellent catalytic activity and stability for seawater oxidation.

关键词： Seawater splitting Oxygen evolution reaction Electrocatalyst Layered double hydroxide Sulfidation

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High-throughput computational-experimental screening protocol for the discovery of bimetallic catalysts

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npj Computational Materials 2021年第1期7卷 1232-1241页

作者： Byung Chul yeo Hyunji Nam Hyobin Nam Min-Cheol Kim Hong Woo Lee Sung-Chul Kim Sung Ok Won Donghun Kim Kwan-Young Lee Seung Yong Lee Sang Soo han Computational Science Research Center Korea Institute of Science and TechnologySeoulRepublic of Korea Department of Energy Resources Engineering Pukyong National UniversityBusanRepublic of Korea Materials Architecturing Research Center Korea Institute of Science and TechnologySeoulRepublic of Korea Department of Chemical and Biological Engineering Korea UniversitySeoulRepublic of Korea Department of Nanomaterials Science and Engineering Korea University of Science and TechnologyDaejeonRepublic of Korea Advanced Analysis Center Korea Institute of Science and TechnologySeoulRepublic of Korea

To accelerate the discovery of materials through computations and experiments,a well-established protocol closely bridging these methods is *** introduce a high-throughput screening protocol for the discovery of bimetallic catalysts that replace palladium(Pd),where the similarities in the electronic density of states patterns were employed as a screening *** first-principles calculations,we screened 4350 bimetallic alloy structures and proposed eight candidates expected to have catalytic performance comparable to that of *** experiments demonstrate that four bimetallic catalysts indeed exhibit catalytic properties comparable to those of ***,we discover a bimetallic(Ni-Pt)catalyst that has not yet been reported for H_(2)O_(2) direct *** particular,Ni_(61)Pt_(39) outperforms the prototypical Pd catalyst for the chemical reaction and exhibits a 9.5-fold enhancement in cost-normalized *** protocol provides an opportunity for the catalyst discovery for the replacement or reduction in the use of the platinum-group metals.

关键词： synthesis catalyst bimetallic

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