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47篇 您的检索式:作者名="Sin LI"
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1Integration of lipidomics and metabolomics for in-depth understanding of cellular mechanism and disease progression显示文摘Mass spectrometry(MS)-based omics technologies are now widely used to profile small molecules in multiple matrices to confer comprehensive snapshots of cellular metabolic phenotypes.The metabolomes of cells,tissues,and organisms comprise a variety of molecules including lipids,amino acids,sugars,organic acids,and so on.Metabolomics mainly focus on the hydrophilic classes,while lipidomics has emerged as an independent omics owing to the complexities of the organismal lipidomes.The potential roles of lipids and small metabolites in disease pathogenesis have been widely investigated in various human diseases,but system-level understanding is largely lacking,which could be partly attributed to the insufficiency in terms of metabolite coverage and quantitation accuracy in current analytical technologies.While scientists are continuously striving to develop high-coverage omics approaches,integration of metabolomics and lipidomics is becoming an emerging approach to mechanistic investigation.Integration of metabolome and lipidome offers a complete atlas of the metabolic landscape,enabling comprehensive network analysis to identify critical metabolic drivers in disease pathology,facilitating the study of interconnection between lipids and other metabolites in disease progression.In this review,we summarize omics-based findings on the roles of lipids and metabolites in the pathogenesis of selected major diseases threatening public health.We also discuss the advantages of integrating lipidomics and metabolomics for in-depth understanding of molecular mechanism in disease pathogenesis.Raoxu Wang Bowen Li Sin Man Lam Guanghou Shui 2020Journal of Genetics and Genomics2020,47,2:15
2Assessing the numbers of SNPs needed to establish molecular IDs and characterize the genetic diversityof soybean cultivars derived from Tokachi nagaha显示文摘The development of a core set of SNP molecular markers that could be widely used in soybean genetic research would greatly facilitate research into the genetic diversity of soybean.We conducted an analysis of Tokachi nagaha and 137 of its descendant soybean cultivars using 4044 SNP markers with the goal of determining the appropriate number of single-nucleotide polymorphisms(SNPs)needed to construct unambiguous molecular IDs and characterize genetic diversity based on a genetic distance matrix correlation method.When the number of SNPs was held constant,the number of accession pairs that could be distinguished increased as the polymorphism informative content(PIC)value of the SNPs increased.A core panel of 20 selected SNPs from 11 linkage groups with a mean PIC value of 0.3703 and a range of 0.3640–0.3749 was able to identify almost all of the accession pairs in our study[9445 pairs(99.92%)].The eight accession pairs that could not be identified with this core SNP set all originated from the same province and some of them had the same parental cultivars.The molecular IDs of the 138 accessions were constructed using the core 20 SNPs.It is known that both the number of SNPs and PIC values should be considered when SNPs are selected for use in the analysis of genetic diversity.In this study,when the PIC value was 0.3460,the correlation coefficient between the genetic distance matrices associated with a panel of 200 SNPs and the total population was>0.800,indicating satisfactory correlation.Our high-accuracy,high-resolution core SNP panel for germplasm fingerprinting and our findings about assessing genetic diversity will likely markedly improve the management and utilization efficiency of soybean germplasm resources.Zhangxiong Liu Jun Li Xuhong Fan Nang Myint Phyu Sin Htwe Shuming Wang Wen Huang Jiyu Yang Lili Xing Lijun Chen Yinghui Li Rongxia Guan Ruzhen Chang Dechun Wang Lijuan Qiu 2017The Crop Journal2017,5,4:10
3Development and utilization of a new chemically-induced soybean library with a high mutation density显示文摘Mutagenized populations have provided important materials for introducing variation and identifying gene function in plants. In this study, an ethyl methanesulfonate(EMS)-induced soybean(Glycine max) population,consisting of 21,600 independent M_2 lines, was developed.Over 1,000 M_(4(5))families, with diverse abnormal phenotypes for seed composition, seed shape, plant morphology and maturity that are stably expressed across different environments and generations were identified. Phenotypic analysis of the population led to the identification of a yellow pigmentation mutant, gyl, that displayed significantly decreased chlorophyll(Chl) content and abnormal chloroplast development. Sequence analysis showed that gyl is allelic to Minn Gold, where a different single nucleotide polymorphism variation in the Mg-chelatase subunit gene(ChlI1a) results in golden yellow leaves. A cleaved amplified polymorphic sequence marker was developed and may be applied to marker-assisted selection for the golden yellow phenotype in soybean breeding. We show that the newly developed soybean EMS mutant population has potential for functional genomics research and genetic improvement in soybean.Zhongfeng Li Lingxue Jiang Yansong Ma Zhongyan Wei Huilong Hong Zhangxiong Liu Jinhui Lei Ying Liu Rongxia Guan Yong Guo Longguo Jin Lijuan Zhang Yinghui Li Yulong Ren Wei He Ming Liu Nang Myint Phyu Sin Htwe Lin Liu Bingfu Guo Jian Song Bing Tan Guifeng Liu Maiquan Li Xianli Zhang Bo Liu Xuehui Shi Sining Han Sunan Hua Fulai Zhou Lili Yu Yanfei Li Shuang Wang Jun Wang Ruzhen Chang Lijuan Qiu 2017Journal of Integrative Plant Biology2017,59,1:6
4Clinical features and treatment outcomes of endogenous Klebsiella endophthalmitis:a 12-year review显示文摘AIM:To identify the clinical features and treatment outcomes of endogenous Klebsiella pneumoniae endophthalmitis and investigate prognostic factors of poor visual outcome.METHODS:The clinical records of all patients diagnosed with endogenous Klebsiella endophthalmitis between January 2007 to December 2018 in Prince of Wales Hospital,Hong Kong,China were retrospectively reviewed.Thorough ophthalmological examination findings were recorded in the case note,including visual acuity testing,slit-lamp examination,indirect ophthalmoscopy and B-scan ultrasonography if media opacity precluded fundus viewing.RESULTS:A total of 18 eyes in 14 patients were identified.Bilateral involvement was noted in 4 patients(28.6%).Hepatobiliary sepsis was the source in 9 patients(64.3%).Culture of intraocular fluid was positive in 5 out of 18 eyes(27.8%).Mortality was noted in 2 patients(14.3%).Mean final visual acuity was 20/1500.Six out of 16 eyes had total loss of sight(37.5%)and 3 eyes required evisceration(18.8%).Multivariate linear regression revealed poor presenting visual acuity(P=0.031)and lack of fundus view due to vitritis(P=0.02)as prognostic factors of poor visual outcome.CONCLUSION:Visual outcome of endogenous Klebsiella endophthalmitis is poor.Poor presenting visual acuity and lack of fundus view predict poor visual outcome.High index of suspicion for endophthalmitis is important in Klebsiella sepsis patients with complaints of ocular symptoms.Ophthalmological screening is recommended in noncommunicable patients with Klebsiella sepsis.Chun Yue Mak Mary Ho Lawrence Pui-leung Iu Helena Pui-yee Sin Li Jia Chen Grace Lui Marten Erik Brelen Alvin Lerrmann Young 2020International Journal of Ophthalmology(English edition)2020,13,12:5
5The receptor-like cytoplasmic kinase RIPK regulates broad-spectrum ROS signaling in multiple layers of plant immune system显示文摘Production of reactive oxygen species(ROS)via the activity of respiratory burst oxidase homologs(RBOHs)plays a vital role in multiple layers of the plant immune system,including pathogen-associated molecular pattern-triggered immunity(PTI),damage-associated molecular pattern-triggered immunity(DTI),effector-triggered immunity(ETI),and systemic acquired resistance(SAR).It is generally established that RBOHD is activated by different receptor-like cytoplasmic kinases(RLCKs)in response to various immune elicitors.In this study,we showed that RPM1-INDUCED PROTEIN KINASE(RIPK),an RLCK VII subfamily member,contributes to ROS production in multiple layers of plant immune system.The ripk mutants showed reduced ROS production in response to treatment with all examined immune elicitors that trigger PTI,DTI,ETI,and SAR.We found that RIPK can directly phosphorylate the N-terminal region of RBOHD in vitro,and the levels of phosphorylated S343/S347 residues of RBOHD are sigfniciantly lower in ripk mutants compared with the wild type upon treatment with all tested immune elicitors.We further demonstrated that phosphorylation of RIPK is required for its function in regulating RBOHD-mediated ROS production.Similar to rbohd,ripk mutants showed reduced stomatal closure and impaired SAR,and were susceptible to the necrotrophic bacterium Pectobacterium carotovorum.Collectively,our results indicate that RIPK regulates broad-spectrum RBOHD-mediated ROS signaling during PTI,DTI,ETI,and SAR,leading to subsequent RBOHD-dependent immune responses.Ping Li Lulu Zhao Fan Qi Nang Myint Phyu Sin Htwe Qiuying Li Dawei Zhang Fucheng Lin Keke Shang-Guan Yan Liang 2021Molecular Plant2021,14,10:5
6Trending IC design directions in 2022显示文摘For the non-stop demands for a better and smarter society, the number of electronic devices keeps increasing exponentially;and the computation power, communication data rate, smart sensing capability and intelligence are always not enough. Hardware supports software, while the integrated circuit(IC) is the core of hardware. In this long review paper, we summarize and discuss recent trending IC design directions and challenges, and try to give the readers big/cool pictures on each selected small/hot topics. We divide the trends into the following six categories, namely, 1) machine learning and artificial intelligence(AI) chips, 2) communication ICs, 3) data converters, 4) power converters, 5) imagers and range sensors, 6) emerging directions. Hope you find this paper useful for your future research and works.Chi-Hang Chan Lin Cheng Wei Deng Peng Feng Li Geng Mo Huang Haikun Jia Lu Jie Ka-Meng Lei Xihao Liu Xun Liu Yongpan Liu Yan Lu Kaiming Nie Dongfang Pan Nan Qi Sai-Weng Sin Nan Sun Wenyu Sun Jiangtao Xu Jinshan Yue Milin Zhang Zhao Zhang 2022Journal of Semiconductors2022,43,7:3
7Metabolomics through the lens of precision cardiovascular medicine显示文摘Metabolomics, which targets at the extensive characterization and quantitation of global metabolites from both endogenous and exogenous sources, has emerged as a novel technological avenue to advance the field of precision medicine principally driven by genomics-oriented approaches. In particular,metabolomics has revealed the cardinal roles that the environment exerts in driving the progression of major diseases threatening public health. Herein, the existent and potential applications of metabolomics in two key areas of precision cardiovascular medicine will be critically discussed: 1) the use of metabolomics in unveiling novel disease biomarkers and pathological pathways; 2) the contribution of metabolomics in cardiovascular drug development. Major issues concerning the statistical handling of big data generated by metabolomics, as well as its interpretation, will be briefly addressed. Finally, the need for integration of various omics branches and adopting a multi-omics approach to precision medicine will be discussed.Sin Man Lam Yuan Wang Bowen Li Jie Du Guanghou Shui 2017Journal of Genetics and Genomics2017,44,3:3
8Community-based lifestyle modification programme for non-alcoholic fatty liver disease: A randomized controlled trial显示文摘Vincent Wai-Sun Wong Ruth Suk-Mei Chan Grace Lai-Hung Wong Bernice Ho-Ki Cheung Winnie Chiu-Wing Chu David Ka-Wai Yeung Angel Mei-Ling Chim Jennifer Wing-Yan Lai Liz Sin Li Mandy Man-Mei Sea Francis Ka-Leung Chan Joseph Jao-Yiu Sung Jean Woo Henry Lik-Yue 2013Journal of Hepatology2013,,3:2
9GM130 regulates pulmonary surfactant protein secretion in alveolar typeⅡcells显示文摘Pulmonary surfactant is a lipid-protein complex secreted by alveolar typeⅡepithelial cells and is essential for the maintenance of the delicate structure of mammalian alveoli to promote efficient gas exchange across the air-liquid barrier.The Golgi apparatus plays an important role in pulmonary surfactant modification and secretory trafficking.However,the physiological function of the Golgi apparatus in the transport of pulmonary surfactants is unclear.In the present study,deletion of GM130,which encodes for a matrix protein of the cis-Golgi cisternae,was shown to induce the disruption of the Golgi structure leading to impaired secretion of lung surfactant proteins and lipids.Specifically,the results of in vitro and in vivo analysis indicated that the loss of GM130 resulted in trapping of Sftpa in the endoplasmic reticulum,Sftpb and Sftpc accumulation in the Golgi apparatus,and an increase in the compensatory secretion of Sftpd.Moreover,global and epithelial-specific GM130 knockout in mice resulted in an enlargement of alveolar airspace and an increase in alveolar epithelial autophagy;however,surfactant repletion partially rescued the enlarged airspace defects in GM130-deficient mice.Therefore,our results demonstrate that GM130 and the mammalian Golgi apparatus play a critical role in the control of surfactant protein secretion in pulmonary epithelial cells.Qianqian Pang Chunyi Liu Yulong Qiao Jian Zhao Sin Man Lam Mei Mei Guanghou Shui Shilai Bao Qiuling Li 2022Science China(Life Sciences)2022,65,1:2
10Comprehensive lipidomics in apoM^(-/-) mice reveals an overall state of metabolic distress and attenuated hepatic lipid secretion into the circulation显示文摘Apolipoprotein M(apoM) participates in both high-density lipoprotein and cholesterol metabolism. Little is known about how apo M affects lipid composition of the liver and serum. In this study, we systemically investigated the effects of apo M on liver and plasma lipidomes and how apo M participates in lipid cycling, via apo M knockout in mice and the human SMMC-7721 cell line. We used integrated mass spectrometry-based lipidomics approaches to semiquantify more than 600 lipid species from various lipid classes, which include free fatty acids, glycerolipids, phospholipids, sphingolipids, glycosphingolipids, cholesterol, and cholesteryl esters(CEs), in apo M^(-/-)mouse. Hepatic accumulation of neutral lipids, including CEs, triacylglycerols, and diacylglycerols, was observed in apo M^(-/-)mice;while serum lipidomic analyses showed that, in contrast to the liver, the overall levels of CEs and saturated/monounsaturated fatty acids were markedly diminished. Furthermore, the level of Apo B-100 was dramatically increased in the liver, whereas significant reductions in both Apo B-100 and low-density lipoprotein(LDL) cholesterol were observed in the serum of apo M^(-/-)mice, which indicated attenuated hepatic LDL secretion into the circulation. Lipid profiles and proinflammatory cytokine levels indicated that apo M^(-/-)leads to hepatic steatosis and an overall state of metabolic distress. Taken together, these results revealed that apo M knockout leads to hepatic steatosis, impaired lipid secretion, and an overall state of metabolic distress.Yuanping Shi Sin Man Lam Hong Liu Guanghua Luo Jun Zhang Shuang Yao Jie Li Lu Zheng Ning Xu Xiaoying Zhang Guanghou Shui 2020Journal of Genetics and Genomics2020,47,9:2
11^(68)Gallium-labelled PSMA-PET/CT as a diagnostic and clinical decision-making tool in Asian prostate cancer patients following prostatectomy显示文摘Objective: Prostate cancers(PCa) in Asian individuals are molecularly distinct from those found in their Caucasian counterparts.There is no risk stratification tool for Asian men with rapid biochemical recurrence(BCR) following radical prostatectomy(Rad P). This study aims to assess the detection rate of ^(68)Ga-prostate-specific membrane antigen-positron emission tomography/computed tomography(PSMA-PET/CT) for diagnosis of clinical recurrence and as a treatment decision making tool in Asian patients with BCR post-Rad P.Methods: ^(68)Ga PSMA-PET and CT body with/without bone scan [conventional workup(CWU)] were performed in 55 Asian patients with BCR within 36 months post-Rad P. Two blinded reviewers assessed the images. Detection rates of ^(68)Ga PSMAPET/CT were evaluated, and impact on management was reviewed by comparison with CWU.Results: Median time to BCR post-Rad P was 8.1 months. Detection rate for ^(68)Ga PSMA-PET/CT was 80%(44/55). A positive scan was significantly associated with increasing prostate-specific antigen(PSA) level [odds ratio(OR) = 1.13(95% CI 1.05–1.30), P =0.017], but not with higher Gleason grade or shorter PSA doubling time. Compared to CWU, ^(68)Ga PSMA-PET/CT detected an additional 106 lesions in 33/44 patients with a positive scan, resulting in a change in management in 25/44(56.8%) patients: 10 to hormonal therapy(HT) and whole pelvis radiotherapy(RT) in addition to bed RT, and 15 to palliative HT alone.Conclusions: In the present report, we demonstrated the diagnostic and treatment decision utility of ^(68)Ga PSMA-PET/CT in Asian men with rapid BCR. Detection of small volume nodal and systemic recurrences at low PSA levels(< 1.0 ng/mL) highlights the role of the tool in assigning patients to treatment intensification with HT-RT or palliative HT in polymetastatic disease.Janice S.H.Tan Charles X.Y.Goh Yen Sin Koh Youquan Li Jeffrey K.L.Tuan Eu Tiong Chua Terence W.K.Tan Michael L.C.Wang Lui Shiong Lee Kae Jack Tay Ravindran Kanesvaran Chee Keong Toh Aaron K.T.Tong Winnie W.C.Lam Melvin L.K.Chua 2019Cancer Biology & Medicine2019,16,1:2
12Butein downregulates chemokine receptor CXCR4 expression and function through suppression of NF-κB activation in breast and pancreatic tumor cells显示文摘Angeline Wei Ling Chua Hui Sin Hay Peramaiyan Rajendran Muthu K. Shanmugam Feng Li Pradeep Bist Evelyn S.C. Koay Lina H.K. Lim Alan Prem Kumar Gautam Sethi 2010Biochemical Pharmacology2010,,10:1
13Rnf20 deficiency in adipocyte impairs adipose tissue development and thermogenesis显示文摘RNF20,an E3 ligase critical for monoubiquitination of histone H2B at lysine 120(H2Bub),has been implicated in the regulation of various cellar processes;however,its physiological roles in adipocytes remain poorly characterized.Here,we report that the adipocyte-specific knockout of Rnf20(ASKO)in mice led to progressive fat toss,organomegaly and hyperinsulinemia.Despite signs of hyperinsulinemia,normal insulin sensitivity and improved glucose tolerance were observed in the young and aged CD-fed ASKO mice.In addition,high-fat diet-fed ASKO mice developed severe liver steatosis.Moreover,we observed that the ASKO mice were extremely sensitive to a cold environment due to decreased expression levels of brown adipose tissue(BAT)selective genes,including uncoupling protein 1(l/cpf),and impaired mitochondrial functions.Significantly decreased levels of peroxisome proliterator-activated receptor gamma(Ppary)were observed in the gonadal white adipose tissues(gWAT)from the ASKO mice,suggesting that Rnf20 regulates adipogenesis,at least in part,through Ppary.Rosiglitazone-treated ASKO mice exhibited increased fat mass compared to that of the non-treated ASKO mice.Collectively,our results illustrate the critical role of RNF20 in control of white and brown adipose tissue development and physiological function.Xiaojuan Liang Cong Tao Jianfei Pan Lilan Zhang Lulu Liu Ying Zhao Yiping Fan Chunwei Cao Jiali Liu Jin Zhang Sin Man Lam Guanghou Shui Wanzhu Jin Wei Li Jianguo Zhao Kui Li Yanfang Wang 2021Protein & Cell2021,12,6:1
14Sun, size-dependent cyto- toxicity of amorphous silica nanoparticles in human hepatoma HepG2 cells 显示文摘Li Y' Sin L Jin M 2011Toxicol In Vitro2011,25,7:1
15A high flux uhrafiltration membrane spun from PSU/PVIb(K90)/DMF/1, 2-propanediol 显示文摘Jian JunQin Fook Sin Ying Li 2003Journal of Membrane Science2003,211,:1
16A new algorithm on multiple unknown source signals estimation and Separation in a Reverberant Space显示文摘 SIN W C POON J C H 1998IEEE Trans1998,,5:1
17Activation and regulation of interferon-β in immune responses显示文摘SIN W X LI P YEONG J P 2012Immunol Res2012,53,13:1
18Label-free fluorescent probing of G-quadruplex formation and real-time monitoring of DNA folding by a quaternizedtetraphenylethene salt with aggregation-induced emission characteristics显示文摘Hong Y N Haussler M Lam J W Y Li Z Sin K K Dong Y Q Tong H Liu J Z Qin A J Renneberg R Tang B Z 2008Chemisty-A European Journal2008,14,21:1
19Acute epiglottitis in adults: a retrospective review of 106 patients in Hong Kong Emerg 显示文摘Ng H L Sin L M Li M F 2008Med J2008,25,:1
20Rehabilitation care of patients with neurogenic bladder after spinal cord injury:A literature review显示文摘This article reviews the research progress of rehabilitation treatment and nursing care of patients with neurogenic bladder after spinal cord injury,in order to provide reference for the rehabilitation treatment and nursing care of patients.We reviewed recent medical literature on patients with neurogenic bladder,focusing on neurogenic bladder caused by spinal cord injury.We analyzed 30 recent of publications in patients with neurogenic bladder after spinal cord injury,in addition to reviewing and evaluating the commonly used rehabilitation nursing methods for neurogenic bladder.Psychological counseling is a vital aspect which cannot be neglected in the process of neurogenic bladder rehabilitation.Hitherto,the commonly used drug and surgical treatments may have negatively impacted the mental health of patients in varying degrees.However,in clinical practice,applying intermittent catheterization in patients who have neurogenic bladder with spinal cord injury may help improve patients’life quality,mitigate psychological burden,and reduce negative emotions.Lei Xiang Han Li Qi-Qi Xie Ching Sin Siau Zhi Xie Meng-Ting Zhu Bo Zhou Zhi-Peng Li Shuai-Bin Wang 2023World Journal of Clinical Cases2023,11,1:1
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