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Aryl hydrocarbon receptor signaling promotes ORMDL3- dependent generation of sphingosine-1-phosphate by inhibiting sphingosine-1-phosphate lyase

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Cellular & Molecular Immunology 2019年第10期16卷 783-790页

作者： Hsueh-Chun Wang Tzu-Hsuan Wong Li-Ting Wang Hsiang-Han Su Hsiu-Yueh Yu Ai-Hsuan Wu Yu-Chun Lin hua-ling chen Jau-ling Suen Shih-Hsien Hsu Li-chen chen Yufeng Zhou Shau-Ku huang Department of Medical Research China Medical University HospitalChina Medical University40402 TaichungTaiwanChina Graduate Institute of Medicine College of MedicineKaohsiung Medical UniversityKaohsiungTaiwanChina Division of Allergy Asthma and RheumatologyDepartment of PediatricsChang Gung Memorial HospitalTaoyuanTaiwanChina National Institute of Environmental Health Sciences National Health Research InstitutesMiaoliTaiwanChina Research Center of Environmental Medicine Kaohsiung Medical UniversityKaohsiungTaiwanChina Center for Research Resources and Development Kaohsiung Medical UniversityKaohsiungTaiwanChina Community Medicine Research Center Chang Gung Memorial Hospital at KeelungKeelungTaiwanChina Department of Pediatrics Xiamen Chang Gung HospitalXiamenChina Johns Hopkins University School of Medicine BaltimoreMDUSA Key Laboratory of Neonatal Disease Children’s Hospital and Institute of Biomedical SciencesMinistry of HealthFudan University201102 ShanghaiChina Lou-Hu Hospital Shen-Zhen UniversityShen-ZhenChina

Aryl hydrocarbon receptor(AhR),a cellular chemical sensor,controls cellular homeostasis,and sphingosine-1-phosphate(S1P),a bioactive intermediate of sphingolipid metabolism,is believed to have a role in immunity and inflammation,but their potential crosstalk is currently *** aimed to determine whether there is a functional linkage between AhR signaling and sphingolipid *** showed that AhR ligands,including an environmental polycyclic aromatic hydrocarbon(PAH),induced S1P generation,and inhibited S1P lyase(S1PL)activity in resting cells,antigen/IgE-activated mast cells,and mouse lungs exposed to the AhR ligand alone or in combination with antigen *** reduction of S1PL activity was due to AhR-mediated oxidation of S1PL at residue 317,which was reversible by the addition of an antioxidant or in cells with knockdown of the ORMDL3 gene encoding an ER transmembrane protein,whereas C317A S1PL mutant-transfected cells were resistant to the AhR-mediated ***,analysis of AhR ligand-treated cells showed a time-dependent increase of the ORMDL3–S1PL complex,which was confirmed by FRET *** change increased the S1P levels,which in turn,induced mast cell degranulation via S1PR2 *** addition,elevated levels of plasma S1P were found in children with asthma compared to non-asthmatic *** results suggest a new regulatory pathway whereby the AhR–ligand axis induces ORMDL3-dependent S1P generation by inhibiting S1PL,which may contribute to the expression of allergic diseases.

关键词： Aryl hydrocarbon receptor ORMDL sphingolipid biosynthesis regulator 3 Sphingosine-1-phosphate Sphingosine-1-phosphate lyase

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The emerging role of nitric oxide in the synaptic dysfunction of vascular dementia

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Neural Regeneration Research 2025年第2期20卷 402-415页

作者： Xiaorong Zhang Zhiying chen Yinyi Xiong Qin Zhou ling-Qiang Zhu Dan Liu Department of Pathology Affiliated Hospital of Jiujiang UniversityJiujiangJiangxi ProvinceChina Jiujiang Clinical Precision Medicine Research Center JiujiangJiangxi ProvinceChina Center for Cognitive Science and Transdisciplinary Studies Jiujiang UniversityJiangxi ProvinceChina Department of Neurology Affiliated Hospital of Jiujiang UniversityJiujiangJiangxi ProvinceChina Department of Rehabilitation Affiliated Hospital of Jiujiang UniversityJiujiangJiangxi ProvinceChina Department of Pathophysiology School of Basic MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

With an increase in global aging,the number of people affected by cerebrovascular diseases is also increasing,and the incidence of vascular dementia-closely related to cerebrovascular risk-is increasing at an epidemic ***,few therapeutic options exist that can markedly improve the cognitive impairment and prognosis of vascular dementia *** in Alzheimer’s disease and other neurological disorders,synaptic dysfunction is recognized as the main reason for cognitive *** oxide is one of the ubiquitous gaseous cellular messengers involved in multiple physiological and pathological processes of the central nervous ***,nitric oxide has been implicated in regulating synaptic plasticity and plays an important role in the pathogenesis of vascular *** review introduces in detail the emerging role of nitric oxide in physiological and pathological states of vascular dementia and summarizes the diverse effects of nitric oxide on different aspects of synaptic dysfunction,neuroinflammation,oxidative stress,and blood-brain barrier dysfunction that underlie the progress of vascular ***,we propose that targeting the nitric oxide-sGC-cGMP pathway using certain specific approaches may provide a novel therapeutic strategy for vascular dementia.

关键词： endoplasmic reticulum stress endothelial nitric oxide synthase gene therapy nitric oxide NO-sGC-cGMP pathway synaptic dysfunction vascular dementia

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Rapid and scalable preparation of highly quaternized polymer networks to achieve efficient simultaneous adsorption of iodide and pertechnetate

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Science China Chemistry 2025年第01期 337-349页

作者： Meiyun Xu Song Gu Fulong chen Zhe Zhao Peng Liu Daoben hua State Key Laboratory of Radiation Medicine and Protection School of Radiological and Interdisciplinary Sciences (RAD-X) Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions Soochow University

The efficient separation of fission products,such as TcO4-and I-,holds strategic significance for the management of radioactive wastes and environmental *** this study,we propose an ultrafast strategy for scalable preparation of a highly quaternized organic network to facilitate efficient and synchronous separation of iodide and *** network can be prepared within a few minutes at room temperature,using polyethylenimine and 1,2,4,5-tetrakis（bromomethyl）benzene as building *** chlorine replacement,the network,abundantly decorated with quaternary ammonium groups （Cl@QPN）,exhibits an ultrahigh positive charge density of 7.6 mmol/*** enables the rapid and efficient enrichment of target anions through strong electrostatic Coulomb *** a result,Cl@QPN exhibits significantly higher adsorption rate constants of 0.830 g/（mg min） for ReO4-（a nonradioactive surrogate of TcO4-） and 0.677 g/（mg min） for I-compared to other ***,it possesses high adsorption capacities,reaching 1,681 mg/g for ReO4-and 917.4 mg/g for I-.Cl@QPN also demonstrates good selectivity towards target ions and shows efficient adsorption for99TcO4-.Additionally,Cl@QPN exhibits high dynamic processing capacities,handling up to 3,100 and 7,400 kg of simulated streams per kilogram of material for I-and ReO4-,respectively.

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多相催化湿式氧化法再生活性炭反应条件

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同济大学学报（自然科学版） 2004年第5期32卷 636-639,643页

作者：李光明王华陈玲赵建夫同济大学污染控制与资源化国家重点实验室上海200092

活性炭是水处理中常用的一种有效吸附剂 ,其再生具有重要意义 .采用动态吸附法吸附苯酚溶液的方法 ,模拟活性炭的吸附饱和过程 ;采用浸渍法制备CuO/Al2 O3 催化剂 ;在高压反应釜中对吸附饱和的活性炭进行多相催化湿式氧化 ,使活性炭得... 详细信息

活性炭是水处理中常用的一种有效吸附剂 ,其再生具有重要意义 .采用动态吸附法吸附苯酚溶液的方法 ,模拟活性炭的吸附饱和过程 ;采用浸渍法制备CuO/Al2 O3 催化剂 ;在高压反应釜中对吸附饱和的活性炭进行多相催化湿式氧化 ,使活性炭得以再生 ,并氧化分解被脱附析出的有机物 .在温度 2 10℃、氧分压 0 .6MPa下 ,反应 1h的活性炭再生效率为 4 7.0 % ,出水化学需氧量 (COD)为 36 7.0mg·L-1.结果表明该方法可有效再生活性炭 ,并使出水的COD明显下降 .

关键词：活性炭再生催化湿式氧化

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AZD1775 synergizes with SLC7A11 inhibition to promote ferroptosis

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Science China Life Sciences 2025年第1期 204-218页

作者： chen Xiong Hong ling Yingdan huang Hanzhi Dong Bangxiang Xie Qian Hao Xiang Zhou Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences Fudan University Department of Oncology Shanghai Medical CollegeFudan University Department of Breast Surgery Fudan University Shanghai Cancer CenterFudan University Department of Oncology First Affiliated Hospital of Nanchang University Beijing Institute of Hepatology Beijing Youan HospitalCapital Medical University Beijing Engineering Research Center for Precision Medicine and Transformation of Hepatitis and Liver Cancer Key Laboratory of Breast Cancer in Shanghai Fudan University Shanghai Cancer CenterFudan University Shanghai Key Laboratory of Medical Epigenetics International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology)Institutes of Biomedical SciencesFudan University

Tumor suppressor p53-mediated cell cycle arrest and DNA damage repair may exert cytoprotective effects against cancer therapies, including WEE1 inhibition. Considering that p53 activation can also lead to multiple types of cell death, the role of this tumor suppressor in WEE1 inhibitor-based therapies remains disputed. In this study, we reported that nucleolar stress-mediated p53 activation enhanced the WEE1 inhibitor AZD1775-induced ferroptosis to suppress lung cancer growth. Our findings showed that AZD1775 promoted ferroptosis by blocking cystine uptake, an action similar to that of Erastin. Meanwhile, inhibition of WEE1 by the WEE1 inhibitors or si RNAs induced compensatory upregulation of SLC7A11, which conferred resistance to ferroptosis. Mechanistically, AZD1775 prevented the enrichment of H3K9me3, a histone marker of transcriptional repression, on the SLC7A11 promoter by repressing the expression of the histone methyltransferase SETDB1, thereby enhancing NRF2-mediated SLC7A11 transcription. This finding was also validated using the H3K9me3 inhibitor BRD4770. Remarkably, we found that the nucleolar stress-inducing agent Actinomycin D(Act. D) inhibited SLC7A11 expression by activating p53, thus augmenting AZD1775-induced ferroptosis. Moreover, the combination of AZD1775 and Act. D synergistically suppressed wild-type p53-harboring lung cancer cell growth both in vitro and in vivo. Altogether, our study demonstrates that AZD1775 promotes ferroptosis by targeting cystine uptake but also mediates the adaptive activation of SLC7A11 through the WEE1-SETDB1 cascade and NRF2-induced transcription, and inhibition of SLC7A11 by Act. D boosts the anti-tumor efficacy of AZD1775 by enhancing ferroptosis in cancers with wild-type p53.

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Correction to:Aryl hydrocarbon receptor signaling promotes ORMDL3-dependent generation of sphingosine-1-phosphate by inhibiting sphingosine-1-phosphate lyase

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Cellular & Molecular Immunology 2018年第9期15卷 870-870页

作者： Hsueh-Chun Wang Tzu-Hsuan Wong Li-Ting Wang Hsiang-Han Su Hsiu-Yueh Yu Ai-Hsuan Wu Yu-Chun Lin hua-ling chen Jau-ling Suen Shih-Hsien Hsu Li-chen chen Yufeng Zhou Shau-Ku huang Department of Medical Research China Medical University HospitalChina Medical UniversityTaichung 40402 TaiwanChina Graduate Institute of Medicine College of MedicineKaohsiung Medical University KaohsiungTaiwan China Division of Allergy Asthrma and RheumatolayDepartment of Pediatrics Chang Gung Memorial Hospital TaoyuanTaiwan China National Institute of Environmental Health Sciences National Helath Research InstitutesMiaoli TaiwanChina Research Center of Envionmental Medicine Kaohsiung Medical University KaohsiungTaiwan China Center for Research Resources and Development kaosiung Medical University Kaohsiung Taiwan China Community Medicine Research Center Chang Gung Memorial Hospital at KeelungKeelung TaiwanChina Department of Oediatrics Xiamen Chang Gung Hospital XiamenChina Johns Hopkins University school of Medicine BaltimoreMDUSA Children's Hospital and Institute of Biomedical Sciences Fudan Universitykey Labortory of Neonatal DiseaseMinistry of Health201102 ShanghaiChina Lou-Hu Hospital Shen-Zhen UniversityShen-ZhenChina

In this article, published online 23 March 2018, the affiliation 10 of Zhou Y was incorrect. The affiliation should be "Children's Hospital and Institute of Biomedical Sciences, Fudan University. Key Laboratory of Neo...

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天然多酚提取、分离及鉴定方法的研究进展

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保鲜与加工 2017年第4期17卷 113-120页

作者：王振宇孔子浩孔令华薛晨鸣曾绍校郑宝东林少玲福建农林大学食品科学学院福建福州350002 福建省特种淀粉品质科学与技术重点实验室福建福州350002 中爱国际合作食品物质学与结构设计研究中心福建福州350002

综述了国内外近年来对天然多酚的提取、分离纯化及鉴定方法的研究进展,分析了各种方法的优缺点,展望了天然多酚提取未来的研究方向,旨在有效提高天然多酚的提取率,为天然多酚类物质在食品工业中的进一步开发利用提供技术支撑。

关键词：多酚提取分离鉴定研究进展

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Nanoparticles for the treatment of spinal cord injury

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Neural Regeneration Research 2025年第6期20卷 1665-1680页

作者： Qiwei Yang Di Lu Jiuping Wu Fuming Liang huayi Wang Junjie Yang Ganggang Zhang chen Wang Yanlian Yang ling Zhu Xinzhi Sun Department of Orthopedic Surgery The First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan ProvinceChina CAS Key Laboratory of Standardization and Measurement for Nanotechnology CAS Key Laboratory for Biomedical Effects of Nanomaterials and NanosafetyCAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijingChina University of Chinese Academy of Sciences BeijingChina Department of Neurosurgery The First Affiliated Hospital of Chongqing Medical UniversityChongqingChina

Spinal cord injuries lead to significant loss of motor, sensory, and autonomic functions, presenting major challenges in neural regeneration. Achieving effective therapeutic concentrations at injury sites has been a slow process, partly due to the difficulty of delivering drugs effectively. Nanoparticles, with their targeted delivery capabilities, biocompatibility, and enhanced bioavailability over conventional drugs, are garnering attention for spinal cord injury treatment. This review explores the current mechanisms and shortcomings of existing treatments, highlighting the benefits and progress of nanoparticle-based approaches. We detail nanoparticle delivery methods for spinal cord injury, including local and intravenous injections, oral delivery, and biomaterial-assisted implantation, alongside strategies such as drug loading and surface modification. The discussion extends to how nanoparticles aid in reducing oxidative stress, dampening inflammation, fostering neural regeneration, and promoting angiogenesis. We summarize the use of various types of nanoparticles for treating spinal cord injuries, including metallic, polymeric, protein-based, inorganic non-metallic, and lipid nanoparticles. We also discuss the challenges faced, such as biosafety, effectiveness in humans, precise dosage control, standardization of production and characterization, immune responses, and targeted delivery in vivo. Additionally, we explore future directions, such as improving biosafety, standardizing manufacturing and characterization processes, and advancing human trials. Nanoparticles have shown considerable progress in targeted delivery and enhancing treatment efficacy for spinal cord injuries, presenting significant potential for clinical use and drug development.

关键词： antioxidants axon regeneration biocompatible materials drug carriers nanoparticles nerve regeneration neuroinflammatory diseases neuroprotection spinal cord injury stem cells

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Drosophila models used to simulate human ATP1A1 gene mutations that cause Charcot-Marie-Tooth type 2 disease and refractory seizures

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Neural Regeneration Research 2025年第1期20卷 265-276页

作者： Yao Yuan lingqi Yu Xudong Zhuang Dongjing Wen Jin He Jingmei Hong Jiayu Xie Shengan ling Xiaoyue Du Wenfeng chen Xinrui Wang Institute of Life Sciences College of Biological Science and EngineeringFuzhou UniversityFuzhouFujian ProvinceChina NHC Key Laboratory of Technical Evaluation of Fertility Regulation for Non-human Primate(Fujian Maternity and Child Health Hospital) FuzhouFujian ProvinceChina Medical Research Center Fujian Maternity and Child Health HospitalCollege of Clinical Medicine for Obstetrics&Gynecology and PediatricsFujian Medical UniversityFuzhouFujian ProvinceChina Department of Neurology and Institute of Neurology of The First Affiliated Hospital Institute of Neuroscienceand Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouFujian ProvinceChina

Certain amino acids changes in the human Na^(+)/K^(+)-ATPase pump,ATPase Na^(+)/K^(+)transporting subunit alpha 1(ATP1A1),cause Charcot-Marie-Tooth disease type 2(CMT2)disease and refractory *** develop in vivo models to study the role of Na^(+)/K^(+)-ATPase in these diseases,we modified the Drosophila gene homolog,Atpα,to mimic the human ATP1A1 gene mutations that cause *** located within the helical linker region of human ATP1A1(I592T,A597T,P600T,and D601F)were simultaneously introduced into endogenous Drosophila Atpαby CRISPR/Cas9-mediated genome editing,generating the Atpα^(TTTF)*** addition,the same strategy was used to generate the corresponding single point mutations in flies(Atpα^(I571T),Atpα^(A576T),Atpα^(P579T),and Atpα^(D580F)).Moreover,a deletion mutation(Atpα^(mut))that causes premature termination of translation was generated as a positive *** these alleles,we found two that could be maintained as homozygotes(Atpα^(I571T)and Atpα^(P579T)).Three alleles(Atpα^(A576T),Atpα^(P579)and Atpα^(D580F))can form heterozygotes with the Atpαmut *** found that the Atpαallele carrying these CMT2-associated mutations showed differential phenotypes in *** heterozygous for Atpα^(TTTF)mutations have motor performance defects,a reduced lifespan,seizures,and an abnormal neuronal *** Drosophila models will provide a new platform for studying the function and regulation of the sodium-potassium pump.

关键词： ATP1A1 Atpα bang-sensitive paralysis Charcot-Marie-Tooth disease type 2 CRISPR/Cas9 homology-directed repair Na^(+)/K^(+)-ATPase point mutation seizures sodium pump

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酸处理法降低橡胶材料摩擦系数的研究

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弹性体 2001年第3期11卷 24-26页

作者：章菊华贾文化陈玲北京航空材料研究院北京100095

进行了硫酸溶液对天然橡胶型汽车刮水板橡胶的表面处理研究 ,讨论了酸含量、处理时间等因素对刮水板橡胶的摩擦系数、力学性能及表面状况的影响。结果表明 ,选择适当的酸含量和酸处理时间可获得较好的处理效果 ,使摩擦系数降低到 0 .

关键词：酸处理法橡胶摩擦系数汽车风挡玻璃刮水板

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