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Quantitative evaluation of severity of behavioral and psychological symptoms of dementia in patients with vascular dementia

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Translational Neurodegeneration 2013年第1期2卷 52-58页

作者： Wei-Dong Pan Sohei Yoshida Qian Liu Chun-Lan Wu Jun Wang Jin Zhu ding-fang cai Department of Neurology Shuguang Hospital Affiliated to Shanghai University of TCM185Pu-An RoadShanghai 200021China Department of Neurology Kansai University ClinicKansai University of Health Sciences1-11-2 WakabaKumatori-ChoSennan-GunOsaka 590-0482Japan Department of Cardiology Shuguang Hospital Affiliated to Shanghai University of TCM185Pu-An RoadShanghai 200021China Laboratory of Neurology Institute of Integrative MedicineZhongshan HospitalFudan University180Fenglin RoadShanghai 200032China

To quantitatively evaluate severity of behavioral and psychological symptoms of dementia(BPSD)for vascular dementia(VD).Changes of 51 patients with VD in BPSD between the first and 24th week were assessed using the Neuropsychiatric Inventory(NPI)and the behavioral pathology in Alzheimer’s disease(BEHAVE-AD)rating scale,in detrended fluctuation analysis(DFA)represented by diurnal activity(DA),evening activity(EA),and nocturnal activity(NA),and the relationships were *** subscores of activity disturbances,diurnal rhythm disturbances,and anxieties and phobias in the BEHAVE-AD score,and that of agitation,irritability,and sleep disorder in the NPI score were significantly increased compared with the first week,as was for the changes for EA in the DFA value.A linear correlation was observed between the changes of activity disturbances plus anxieties and phobias,and those of DA,and between the development of diurnal rhythm and those of EA,the vehement and autism scores and those of DA,and the difference in sleep disorder scores and those of EA,*** of DA,NA,and EA may reflect the fluctuational degrees of VD-BPSD,can provide a useful assessment of VD-BPSD accompanied by clinical scores for VD.

关键词： Vascular dementia Behavioral and psychological symptoms of dementia Rating scale of the behavioral pathology in Alzheimer’s disease Neuropsychiatric inventory Actigraph

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Deciphering the role of mtH2O2 in hepatic ischemia-reperfusion injury mechanisms with low-background super-resolution fluorogenic probe

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Science China Chemistry 2025年第1期68卷 297-307页

作者： Bin fang Limin Wang Haoqin Li Jiaxin Zhang Yang ding Pan Pan Li Bo Peng Hua Bai Lin Li Frontiers Science Center for Flexible Electronics Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials &Engineering Northwestern Polytechnical University Institute of Flexible Electronics (IFE Future Technologies) Xiamen University

Hepatic ischemia-reperfusion injury（HIRI） is characterized by mitochondrial dysfunction and oxidative stress. Monitoring mitochondrial hydrogen peroxide（mtH2O2） levels in real-time through super-resolution imaging is crucial for elucidating its distribution in live cells and its mechanism of action during HIRI. However, low-background fluorogenic probes have been overlooked in the context of super-resolution imaging. In this study, we developed a low-background fluorogenic probe（MitoWG） with the potential for super-resolution morphology-correlated mitochondrial identification to track the fluctuates of mtH2O2in HIRI. Activation of the desirable fluorescence properties of the probe by mtH2O2was confirmed using structural illumination microscopy（SIM）, enabling high-quality mitochondrial imaging with exceptional specificity and *** in mtH2O2levels were successfully observed in both cellular and rat models of HIRI. Furthermore, we associated the decline in mitochondrial redox homeostasis with accelerated mtH2O2production during HIRI, which triggered mitophagy deficiency and led to cell death. In conclusion, Mito-WG possesses excellent photophysical and low-background properties for SIM imaging, making it a promising tool for mtH2O2tracking in HIRI research and clinical diagnosis.

关键词： hepatic ischemia-reperfusion injury low-background mtH2O2-activatable super-resolution imaging fluorogenic probe

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Electrode/Electrolyte Optimization‑Induced Double‑Layered Architecture for High‑Performance Aqueous Zinc‑(Dual)Halogen Batteries

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Nano-Micro Letters 2025年第3期17卷 121-137页

作者： Chengwang Zhou Zhezheng ding Shengzhe Ying Hao Jiang Yan Wang Timing fang You Zhang Bing Sun Xiao Tang Xiaomin Liu School of Textiles and Clothing School of Chemistry and Chemical EngineeringQingdao UniversityQingdao 266071ShandongPeople’s Republic of China Centre for Clean Energy Technology School of Mathematical and Physical SciencesFaculty of ScienceUniversity of Technology SydneyUltimoNSW 2007Australia School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiang 453007HenanPeople’s Republic of China

Aqueous zinc-halogen batteries are promising candidates for large-scale energy storage due to their abundant resources,intrinsic safety,and high theoretical ***,the uncontrollable zinc dendrite growth and spontaneous shuttle effect of active species have prohibited their practical ***,a double-layered protective film based on zinc-ethylenediamine tetramethylene phosphonic acid(ZEA)artificial film and ZnF2-rich solid electrolyte interphase(SEI)layer has been successfully fabricated on the zinc metal anode via electrode/electrolyte synergistic *** ZEA-based artificial film shows strong affinity for the ZnF2-rich SEI layer,therefore effectively suppressing the SEI breakage and facilitating the construction of double-layered protective film on the zinc metal *** double-layered architecture not only modulates Zn2+flux and suppresses the zinc dendrite growth,but also blocks the direct contact between the metal anode and electrolyte,thus mitigating the corrosion from the active *** employing optimized metal anodes and electrolytes,the as-developed zinc-(dual)halogen batteries present high areal capacity and satisfactory cycling *** work provides a new avenue for developing aqueous zinc-(dual)halogen batteries.

关键词： Zn metal anodes Double-layered protective film Electrode/electrolyte optimization Aqueous zinc-(dual)halogen batteries

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缺血性卒中的二级预防

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国际脑血管病杂志 2006年第10期14卷 758-760页

作者：闻名蔡定芳复旦大学附属中山医院上海200032

缺血性卒中的二级预防是防止卒中复发的重要手段。大量研究证实,抗凝治疗在心源性栓塞(特别是心房颤动所致)的二级预防中有效。抗血小板治疗对其他类型缺血性卒中的二级预防有较好的疗效,而且双重抗血小板治疗已被越来越多地应用。降压... 详细信息

缺血性卒中的二级预防是防止卒中复发的重要手段。大量研究证实,抗凝治疗在心源性栓塞(特别是心房颤动所致)的二级预防中有效。抗血小板治疗对其他类型缺血性卒中的二级预防有较好的疗效,而且双重抗血小板治疗已被越来越多地应用。降压和降脂治疗对预防缺血性卒中有积极的意义。控制血糖在缺血性卒中二级预防中的作用尚不确定。颈动脉内膜切除术(CEA)对狭窄超过70%的有症状颈动脉狭窄患者有益,对无症状患者是否有益仍存在争议。颈动脉血管内支架成形术逐渐成为CEA的有效替代治疗方法。

关键词：卒中二级预防抗血小板治疗抗凝治疗颈动脉内膜切除术

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肉苁蓉提取物对帕金森病细胞损伤模型的保护作用

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中西医结合学报 2007年第4期5卷 407-411页

作者：王虎李文伟蔡定芳杨茹复旦大学中山医院中西医结合研究所神经病学研究室上海200032 复旦大学上海医学院神经生物学国家重点实验室上海200032

目的:探讨肉苁蓉提取物对帕金森病的神经保护作用及其作用机制。方法:以1-甲基-4-苯基-吡啶离子(1-methyl-4-phenylpyridiniumion,MPP+)介导的SH-SY5Y细胞损伤模型为帕金森病细胞模型,观察不同浓度肉苁蓉提取物对模型细胞生存率、生长... 详细信息

目的:探讨肉苁蓉提取物对帕金森病的神经保护作用及其作用机制。方法:以1-甲基-4-苯基-吡啶离子(1-methyl-4-phenylpyridiniumion,MPP+)介导的SH-SY5Y细胞损伤模型为帕金森病细胞模型,观察不同浓度肉苁蓉提取物对模型细胞生存率、生长抑制和DNA损伤诱导基因153(growth arrest-and DNAdamage-induced gene153,GADD153)及其蛋白表达的影响。结果:100μg/ml肉苁蓉提取物明显提高了1mmol/L MPP+作用48h后的SH-SY5Y细胞的生存率(P<0.01);降低了GADD153 mRNA与蛋白表达(P<0.01)。结论:肉苁蓉提取物对MPP+介导的细胞损伤有保护作用,其作用机制可能与GADD153的mRNA和蛋白水平的表达有关。

关键词：肉苁蓉 1-甲基-4-苯基-吡啶离子帕金森病生存率

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脑栓通对脑缺血再灌注大鼠神经血管单元的保护作用

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中西医结合学报 2012年第10期10卷 1135-1139页

作者：施启红向军朱旭莹蔡定芳江苏省启东市人民医院药剂科江苏启东226200 复旦大学中山医院中西医结合科上海200032 上海中医药大学曙光医院神经内科上海200021

目的:观察中药脑栓通对脑缺血再灌注大鼠神经血管单元主要成分神经元、星形胶质细胞以及脑血管内皮细胞的保护作用。方法:30只雄性Sprague-Dawley大鼠随机分为假手术组、缺血再灌注组和1g/(kg·d)脑栓通组。采用大脑中动脉线栓法建立局... 详细信息

目的:观察中药脑栓通对脑缺血再灌注大鼠神经血管单元主要成分神经元、星形胶质细胞以及脑血管内皮细胞的保护作用。方法:30只雄性Sprague-Dawley大鼠随机分为假手术组、缺血再灌注组和1g/(kg·d)脑栓通组。采用大脑中动脉线栓法建立局灶性脑缺血损伤模型,1.5h后拔出线栓实施再灌注。再灌注24h时后进行大鼠神经功能缺损评分,采用末端脱氧核苷酸转移酶介导的脱氧尿苷原位末端标记法结合神经元核抗原、胶质纤维酸性蛋白及CD31免疫荧光双染检测缺血再灌注24h时缺血灶周边的神经元、星形胶质细胞以及脑血管内皮细胞的凋亡情况。结果:脑栓通能显著改善脑缺血损伤大鼠的神经功能缺损,减少缺血灶周边星形胶质细胞、脑血管内皮细胞和神经元的凋亡。结论:脑栓通通过保护脑缺血再灌注后大鼠的神经血管单元促进神经功能的改善。

关键词：中草药脑缺血再灌注损伤神经血管单元凋亡大鼠

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急性脑出血损伤的病理生理学机制

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国外医学（脑血管疾病分册） 2005年第1期13卷 11-15页

作者：唐宇平蔡定芳复旦大学上海医学院上海200032 附属中山医院中西医结合研究所

脑出血是一种神经科常见病,但对其病理生理学机制在较多方面尚未形成共识。文章就脑出血后的血肿变化和缺血半暗带、脑水肿和纤溶亢进以及血管淀粉样变等进行了综述。

关键词：急性脑出血出血损伤病理生理学生理学机制脑血管

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内质网应激与缺血性脑损伤

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国外医学（脑血管疾病分册） 2005年第6期13卷 464-467页

作者：李文伟蔡定芳复旦大学中山医院复旦大学上海医学院复旦大学中西医结合研究所神经病学研究室上海200032

内质网应激是内质网内未折叠或错误折叠蛋白积聚所致。作为对内质网应激的响应,细胞形成了一条称为未折叠蛋白反应(UPR)的自我保护信号转导通路。然而,如果脑缺血诱导的内质网应激严重且持续时间长,UPR最终会启动细胞凋亡通路,导致神经... 详细信息

内质网应激是内质网内未折叠或错误折叠蛋白积聚所致。作为对内质网应激的响应,细胞形成了一条称为未折叠蛋白反应(UPR)的自我保护信号转导通路。然而,如果脑缺血诱导的内质网应激严重且持续时间长,UPR最终会启动细胞凋亡通路,导致神经元死亡。文章对脑缺血再灌注诱导内质网应激和UPR的研究进展做了综述。

关键词：内质网应激缺血性脑损伤信号转导神经元

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Triptolide protects against 1-methyl-4-phenyl pyridinium-induced dopaminergic neurotoxicity in rats:Implication for immunosuppressive therapy in Parkinson’s disease

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Neuroscience Bulletin 2008年第3期24卷 133-142页

作者：高俊鹏孙珊李文伟陈依萍蔡定芳复旦大学附属中山医院中西医结合研究所神经病学研究室上海200032

Objective Neuroinflammation with microglial activation has been implicated to have a strong association with the progressive dopaminergic neuronal loss in Parkinson＇s disease （PD）. The present study was undertaken to evaluate the activation profile of microglia in 1-methyl-4-phenyl pyridinium （MPP^＋）-induced hemiparkinsonian rats. Triptolide, a potent immunosuppressant and microglia inhibitor, was then examined for its efficacy in protecting dopaminergic neurons from injury and ameliorating behavioral disabilities induced by MPP^＋. Methods The rat model of PD was established by intranigral microinjection of MPP^＋. At baseline and on day 1, 3, 7, 14, 21 following MPP^＋ injection, the degree of microglial activation was examined by detecting the immunodensity of OX-42 （microglia marker） in the substantia nigra （SN）. The number of viable dopaminergic neurons was determined by measuring tyrosine hydroxylase （TH） positive neurons in the SN. Behavioral performances were evaluated by counting the number of rotations induced by apomorphine, calculating scores of forelimb akinesia and vibrissae-elicited forelimb placing asymmetry. Results Intranigral injection of MPP^＋ resulted in robust activa- tion of microglia, progressive depletion of dopaminergic neurons, and ongoing aggravation of behavioral disabilities in rats. Triptolide significantly inhibited microglial activation, partially prevented dopaminergic cells from death and improved behavioral performances. Conclusion These data demonstrated for the first time a neuroprotective effect of triptolide on dopaminergic neurons in MPP^＋ induced hemiparkinsonian rats. The protective effect of triptolide may, at least partially, be related to the inhibition of MPP^＋-induced microglial activation. Our results lend strong support to the use of immunosuppressive agents in the management of PD.

关键词： Parkinson's disease triptolide microglia neurons

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Engineering high-performance chemiluminescent probes via enzymatic pocket targeting: high-throughput screening for ultralong afterglow imaging of orthotopic hepatocellular carcinoma

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Science China Chemistry 2025年

作者： Shuai Huang Shuaige Bai Ting Luo Bin Feng Min Liu Fan Zheng Shuang Huang Yanpeng fang Dan ding Wenbin Zeng Xiangya School of Pharmaceutical Sciences Central South University College of Life Sciences Nankai University

Hepatocellular carcinoma （HCC） is a highly aggressive liver malignancy and the main form of liver cancer. Early diagnosis and treatment of HCC can effectively reduce mortality. Carboxylesterase （CE）-specific detection and imaging can be used for early diagnosis and image-guided surgical of HCC. However, traditional optical probes suffer from poor selectivity and low imaging signal-to-noise ratio. Here, we have constructed a series of chemiluminescent probes for carboxylesterase detection based on the strategy of enzymatic pocket-oriented steric tailoring techniques. The probes with different unique and excellent properties have been obtained through the structure-based steric hindrance adjustment on the recognition site. Here, CE-2 has been successfully used for high-throughput screening of rapid carboxylesterase inhibitors due to its extremely low detection limit (2.5×10-4U mL-1) and fast recognition ability. CE-3 has been successfully used for image-guided surgery of orthotopic hepatocellular carcinoma due to its ultra-long chemiluminescence imaging （over 12 h） of hepatocellular carcinoma. This study may promote advances in the rapid detection and screening of inhibitory drugs for CE and the field of surgical navigation in HCC.

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