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LOX upregulates FAK phosphorylation to promote metastasis in osteosarcoma

Genes & Diseases 2023年第1期10卷 254-266页

作者： Xiang Chen Margaret Clement MJohn Hicks Poonam Sarkar MWaleed Gaber tsz-kwong man Department of Pediatrics Baylor College of MedicineOne Baylor PlazaHoustonTX 77030USA Department of Pathology Baylor College of MedicineOne Baylor PlazaHoustonTX 77030USA Dan L.Duncan Comprehensive Cancer Center 7200 Cambridge StreetHoustonTX 77054USA Texas Children's Cancer and Hematology Centers 1102 Bates StHoustonTX 77030USA

Osteosarcoma is a malignant bone tumor that commonly occurs in the pediatric *** the use of chemotherapy and surgery,metastasis remains to be the leading cause of death in patients with *** have previously reported that cytoplasmic mislocalization of p27 is associated with a poor outcome in *** this study,we further show that lysyl oxidase(LOx)expression was associated with p27 *** is an enigmatic molecule that acts as a tumor suppressor or a metastatic promoter;however,its role in osteosarcoma is still ***,we performed both in vitro and in vivo analyses to dissect the role of Lox in *** result of our survival analysis indicated that Lox expression significantly correlated with a poor outcome in osteosarcoma with or without controlling for the initial metastasis status(P<0.05).Functionally,we found that higher LoX expression promoted osteosarcoma cell proliferation,migration,and invasiveness in vitro and produced a higher number of mice with pulmonary metastases in an orthotopic xenograft mouse ***,phospho-FAK was increased in osteosarcoma cells with high LOX *** results further showed that FAK inhibition significantly reduced tumor cell proliferation and migration in vitro as well as LoX-mediated metastasis in ***,our findings suggest that there is a novel link between p27 mislocalization and LOX *** plays a pivotal role in osteosarcoma metastasis by upregulating FAK *** inhibition may constitute a promising therapeutic strategy to reduce the development of metastasis in osteosarcoma with Lox overexpression.

关键词： Focal adhesion kinase Lysyl oxidase Metastasis Osteosarcoma

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Molecular Classification of Osteosarcoma:Towards Personalized Predictive Care

Molecular Classification of Osteosarcoma:Towards Personalize...

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中国抗癌协会第七届全国小儿肿瘤学术会议

作者： Ching C.Lau tsz-kwong man Jianhe Shen Joyce Gu Jaya Visvanathan Laszlo Perlaky John Hicks Mark Johnson Nelson Davino Jeffrey Murray Lee Helman William Meyer Daniel Wai Timothy Triche kwong-Kwok Wong Murali Chintagumpala Baylor College of Medicine HoustonTX Cook Children’s Hospital Fort WorthTX National Cancer Institute BethesdaMD University of Oklahoma Health Sciences Center Oklahoma CityOK Children’s Hospital Los Angeles Los AngelesCA.

Osteosarcoma is the most common malignant bone tumor in *** initial diagnosis is made with a biopsy, treatment consists of pre-operative chemotherapy followed by definitive surgery and post-operative *** degree of tumor necrosis in response to pre-operative chemotherapy is a reliable prognostic factor and is used to guide the choice of post-operative chemotherapy.

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Asymptotic false discovery control of the Benjamini-Hochberg procedure for pairwise comparisons

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Science China Mathematics 2025年第1期 223-252页

作者： Weidong Liu Dennis Leung Qi-man Shao School of Mathematical Sciences Shanghai Jiao Tong University School of Mathematics and Statistics University of Melbourne Department of Statistics and Data Science SICMSouthern University of Science and Technology

In a one-way analysis-of-variance(ANOVA) model,the number of pairwise comparisons can become large even with a moderate number of *** by this,we consider a regime with a growing number of groups and prove that,when testing pairwise comparisons,the Benjamini-Hochberg(BH) procedure can asymptotically control false discoveries,despite the fact that the involved t-statistics do not exhibit the wellknown positive dependence structure required for exact false discovery rate(FDR) *** Tukey's perspective that the difference between the means of any two groups cannot be exactly zero,our main result provides control over the directional false discovery rate and directional false discovery proportion.A key technical contribution of our work is demonstrating that the dependence among the t-statistics is sufficiently weak to establish the convergence result typically required for asymptotic FDR *** analysis does not rely on conventional assumptions such as normality,variance homogeneity,or a balanced design,thereby offering a theoretical foundation for applications in more general settings.

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Boosting Photocatalytic Performance of Cu-Mn Co-doped CeO_(2) Nanoparticles for Tetracycline Degradation

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 42-48页

作者： XU Rongqi MI Jianxin WANG Shulin XU man ZHU Li BAI Lei TANG Dandan LEI Yu Engineering Research Center of Environmental Materials and Membrane Technology of Hubei Province School of Materials Science and EngineeringWuhan Institute of TechnologyWuhan 430205China Shaanxi Coal Chemical Industry Technology Research Institute Co. Ltd.Xi’an 710100China

Cu-Mn co-doped CeO_(2) photocatalyst was successfully synthesized by the sol-gel method to assess its capability in degrading *** and TEM results showed that Cu and Mn were successfully co-doped into CeO_(2) without forming heterostructure,XPS and photoelectrochemical results revealed that Mn ions doping amplified the generation of photo-induced charge carriers,while Cu ions doping significantly facilitated the interfacial charge transfer ***,the optimized Cu3Mn2CeO_(2) nanoparticles exhibited the highest TC removal efficiency,achieved a rate of 78.18%and maintained a stable cycling performance.

关键词： photocatalyst co-doped charge separation water treatment

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On the Integrability of the Abel and of the Extended Liénard Equations

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Acta Mathematicae Applicatae Sinica 2019年第4期35卷 722-736页

作者： man kwong Mak Tiberiu HARKO Departamento de Fsica Facultad de Ciencias Naturales Universidad de Atacama Copayapu 485 Copiapo Chile Department of Physics Babes-Bolyai University Kogalniceanu Street Cluj-Napoca 400084 Romania School of Physics Sun Yat-Sen University Guangzhou 510275 China

We present some exact integrability cases of the extended Liénard equation y′′+ f(y)(y′)n +k(y)(y′)m + g(y)y′+ h(y) = 0, with n > 0 and m > 0 arbitrary constants, while f(y), k(y), g(y), and h(y) are arbitrary functions. The solutions are obtained by transforming the equation Liénard equation to an equivalent first kind first order Abel type equation given bydv/dy= f(y)v3-n+ k(y)v3-m+ g(y)v2+ h(y)v3, with v = 1/y′.As a first step in our study we obtain three integrability cases of the extended quadratic-cubic Liénard equation,corresponding to n = 2 and m = 3, by assuming that particular solutions of the associated Abel equation are known. Under this assumption the general solutions of the Abel and Liénard equations with coefficients satisfying some differential conditions can be obtained in an exact closed form. With the use of the Chiellini integrability condition, we show that if a particular solution of the Abel equation is known, the general solution of the extended quadratic cubic Liénard equation can be obtained by quadratures. The Chiellini integrability condition is extended to generalized Abel equations with g(y) ≡ 0 and h(y) ≡ 0, and arbitrary n and m, thus allowing to obtain the general solution of the corresponding Liénard equation. The application of the generalized Chiellini condition to the case of the reduced Riccati equation is also considered.

关键词： Abel equation Liénard equation general solutions integrability conditions

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Brain region-specific roles of brain-derived neurotrophic factor in social stress-induced depressive-like behavior

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Neural Regeneration Research 2025年第1期20卷 159-173页

作者： man Han Deyang Zeng Wei Tan Xingxing Chen Shuyuan Bai Qiong Wu Yushan Chen Zhen Wei Yufei Mei Yan Zeng Brain Science and Advanced Technology Institute Wuhan University of Science and TechnologyWuhanHubei ProvinceChina Geriatric Hospital Affiliated to Wuhan University of Science and Technology WuhanHubei ProvinceChina School of Public Health Wuhan University of Science and TechnologyWuhanHubei ProvinceChina

Brain-derived neurotrophic factor is a key factor in stress adaptation and avoidance of a social stress behavioral *** studies have shown that brain-derived neurotrophic factor expression in stressed mice is brain region–specific,particularly involving the corticolimbic system,including the ventral tegmental area,nucleus accumbens,prefrontal cortex,amygdala,and *** how brain-derived neurotrophic factor participates in stress processing in different brain regions will deepen our understanding of social stress *** this review,we discuss the expression and regulation of brain-derived neurotrophic factor in stress-sensitive brain regions closely related to the pathophysiology of *** focused on associated molecular pathways and neural circuits,with special attention to the brain-derived neurotrophic factor–tropomyosin receptor kinase B signaling pathway and the ventral tegmental area–nucleus accumbens dopamine *** determined that stress-induced alterations in brain-derived neurotrophic factor levels are likely related to the nature,severity,and duration of stress,especially in the above-mentioned brain regions of the corticolimbic ***,BDNF might be a biological indicator regulating stress-related processes in various brain regions.

关键词： amygdala chronic mild stress chronic social defeat stress corticolimbic system depression hippocampus medial prefrontal cortex nucleus accumbens social stress models ventral tegmental area

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Summer Monsoon Indices on June Rainfall in Hong Kong and Its Vicinity

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Journal of Meteorological Research 2016年第5期30卷 789-799页

作者： WU man-chi TONG Hang-wai LEE tsz-cheung Hong Kong Observatory Hong Kong China

Climatologically, June is usually the wettest month in Hong Kong. With significant interannual variation of the summer monsoon, the rainfall variability in June is also large. As Hong Kong is in close proximity to the peripheries of different monsoon regions, the variability of June rainfall largely depends on the relative strength of various monsoon systems. In the present study, a new index comparing the relative condition of the western North Pacific summer monsoon and the South China Sea summer monsoon is developed based on the difference between the respective monsoon indices WNPMI （western North Pacific summer monsoon index） and UMI （unified monsoon index）. It is shown that June rainfall in Hong Kong and its vicinity is better correlated with this new index than either WNPMI or UMI alone. Based on the signs of the new index in conjunction with those of WNPMI and UMI, a framework to stratify the monsoon conditions into different configurations together with a simple scheme to summarize the associated rainfall responses is formulated. This study highlights how the rainfall variability on a local or regional scale can be quantified by the broad-scale conditions of different monsoon systems.

关键词： Hong Kong South China Sea summer monsoon western North Pacific summer monsoon mon- soon index June rainfall bootstrap regional monsoon

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TRMT6 and TRMT61A facilitated acute pancreatitis severity via regulation of neutrophil function

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Science China Life Sciences 2025年

作者： Yuan Dong Li Su Sin man Lam Cen Yan Yalan Deng Guotao Lu Jinkui Yang Guanghou Shui Yingmei Feng Beijing Institute of Hepatology Beijing Youan HospitalCapital Medical University Department of Science and Development Beijing Youan HospitalCapital Medical University Laboratory for Clinical Medicine Capital Medical University Neuroscience Research Institute Peking University Center of Medical and Health AnalysisPeking University State Key Laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of Sciences Pancreatic Center Department of GastroenterologyAffiliated Hospital of Yangzhou UniversityYangzhou University Beijing Key Laboratory of Diabetes Research and Care Department of EndocrinologyBeijing Tongren HospitalCapital Medical University

Dear Editor,Type 2 diabetes mellitus (T2DM) has been identified as a risk factor for increased severity in acute pancreatitis (AP)(Mikóet al,2018).However,to date,no studies have simultaneously included healthy individuals,T2DM patients,and AP patients to investigate which diabetes-associated metabolites are linked to AP severity.

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Putative Nitrogen Sensing Systems in Higher Plants

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Journal of Integrative Plant Biology 2006年第8期48卷 873-888页

作者： Hon-Ming Lam Ying Ann Chiao man-Wah Li Yuk-kwong Yung Sang Ji Department of Biology Chinese University of Hong Kong Shatin Hong Kong Molecular Biotechnology Program Chinese University of Hong Kong Shatin Hong Kong

Nitrogen （N） metabolism is essential for the biosynthesis of vital biomolecules. N status thus exerts profound effects on plant growth and development, and must be closely monitored. In bacteria and fungi, a few sophisticated N sensing systems have been extensively studied. In animals, the ability to receive amino acid signals has evolved to become an integral part of the nervous coordination system. In this review, we will summarize recent developments in the search for putative N sensing systems in higher plants based on homologous systems in bacteria, fungi, and animals. Apparently, although plants have separated and diversified from other organisms during the evolution process, striking similarities can be found in their N sensing systems compared with those of their counterparts; however, our understanding of these systems is still incomplete. Significant modifications of the N sensing systems （including cross-talk with other signal transduction pathways） in higher plants may be a strategy of adaptation to their unique mode of life.

关键词： general amino acid control glutamate receptors His-Asp phosphorelay nitrogen metabolism nitrogen sensing PII, signal transduction.

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The efficacy and effectiveness of machine learning for weaning in mechanically ventilated patients at the intensive care unit: a systematic review

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Bio-Design and manufacturing 2019年第1期2卷 31-40页

作者： man Ting kwong Glen Wright Colopy Anika M.Weber Ari Ercole Jeroen H.M.Bergmann Department of Engineering Science University of OxfordParks Road. Oxford OXI 3PJ. UK snap40 Inc.125 Princess Street Edinburgh EH2 4AD UK CRUK/MRC Oxford Institute for Radiation Oncology.Roosevelt Drive Oxford OX3 7DQ. UK Division of Anaesthesia Addenbrooke's Hospital University of Cambridge Hills Road Cambridge CB2 0QQ. UK

Weani ng from mechanical ventilation in the in tensive care unit (ICU) is a complex clinical problem and relevant for future organ engineering. Prolonged mechanical ventilation (MV) leads to a range of medical complications that increases length of stay and costs as well as contributes to morbidity and even mortality and long-term quality of life. The need to reduce MV is both clinical and economical. Artificial intelligence or machine learning (ML) methods are promising opportunities to positively influence patient outcomes. ML methods have been proposed to enhance clinical decisions processes by using the large amount of digital information generated in the ICU setting. There is a particular interest in empirical methods (such as ML) to improve management of "difficult-to-wean" patients, due to the associated costs and adverse events associated with this population. A systematic literature search was performed using the OVID, IEEEXplore, PubMed, and Web of Science databases. All publications that included (1) the application of ML to weaning from MV in the ICU and (2) a clinical outcome measurement were reviewed. A checklist to assess the study quality of medical ML publications was modified to suit the critical assessment of ML in MV weaning literature. The systematic search identified nine studies that used ML for weaning management from MV in critical care. The weaning management application areas included (1) prediction of successful spontaneous breathing trials (SBTs),(2) prediction of successful extubation,(3) prediction of arterial blood gases, and (4) ventilator setting and oxygenation-adjustment advisory systems. Seven of the nine studies scored seven out of eight on the quality index. The remaining two of the nine studies scored one out of eight on the quality index. This scoring may, in part, be explained by the publications' focus on technical novelty, and therefore focusing on issues most important to a technical audience, instead of issues most impor

关键词： Artificial intelligence Patient-centred medicine Clinical trial Critical care Data science

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