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Effect of quantitative consciousness index on seizure parameters during electroconvulsive therapy in patients with major depressive disorder

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World Journal of Psychiatry 2024年第9期14卷 1375-1385页

作者： Bang-Shu Zhao Bi Deng Qi-Bin Chen Xiao Li You Yang Su Min Department of Anesthesiology The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Anesthesiology The First Clinical College of Chongqing Medical UniversityChongqing 400016China Department of Psychiatry The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China

BACKGROUND Electroconvulsive therapy(ECT)is both an effective treatment for patients with major depressive disorder(MDD)and a noxious *** some studies have explored the effect of sedation depth on seizure parameters in ECT,there is little research on the noxious stimulation response to *** this study,we used two electroencephalography(EEG)-derived indices,the quantitative consci-ousness(qCON)index and quantitative nociceptive(qNOX)index,to monitor sedation,hypnosis,and noxious stimulation response in patients with MDD undergoing acute *** Patients with MDD(n=24)underwent acute bilateral temporal ECT under propofol *** ECT,the patients were randomly divided into three groups according to qCON scores(qCON60-70,qCON50-60,and qCON40-50).Continuous qCON monitoring was performed 3 minutes before and during ECT,and the qCON,qNOX,vital signs,EEG seizure parameters,and complications during the recovery period were *** 24-item Hamilton Rating Scale for Depression,Zung’s Self-rating Depression Scale,and Montreal Cognitive Asse-ssment scores were evaluated before the first ECT session,after the fourth ECT session,and after the full course of *** A total of 193 ECT sessions were performed on 24 *** qCON index significantly affected the EEG seizure duration,peak mid-ictal amplitude,and maximum heart rate during ECT(P0.05).CONCLUSION Electrical stimulation at a qCON index of 60-70 resulted in better EEG seizure parameters without increasing complications in patients with MDD undergoing b

关键词： Electroconvulsive therapy Propofol Nociception Depression Electroencephalogram

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Ten ring-B aromatized ergosterols from Aspergillus spectabilis

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Chinese Journal of Natural Medicines 2024年第7期22卷 654-662页

作者： WEI Mengsha SUN Weiguang LIU Linlin LI Yongqi LI Lanqin LI Qin CHEN Yu GUO Jieru GU Lianghu ZHU Hucheng CHEN Chunmei ZHANG Yonghui Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of PharmacyTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Tongji Hospital affiliated to Tongji medical college Huazhong University of Science and TechnologyWuhan 430030China

Spectasterols F−O(1−10),ten interesting ergosterols with an aromatized B ring,were obtained from Aspergillus *** structures and absolute configurations were determined using a combination of high-resolution electrospray ionization mass spectrometry(HR-ESI-MS),nuclear magnetic resonance(NMR)spectroscopy,single-crystal X-ray diffraction analyses,and electronic circular dichroism(ECD)***,these aromatic ergosterols feature versatile side ***,compound aromatic ergosterols featured versatile side chains,and compound 4 is an unusual C23 ergosterol characterized by a shorter side chain due to oxidative cleavage between C-23 and *** compounds were evaluated for their neuroprotective activities,with compound 8 showing a dose-dependent ability to reduce apoptosis and protect mitochondrial function in glutamate-induced SH-SY5Y cells.

关键词： Steroids Aspergillus spectabilis Aromatic ergosterols Neuroprotective activities Structure elucidation

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Comprehensive understanding of the thriving electrocatalytic nitrate/nitrite reduction to ammonia under ambient conditions

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Journal of Energy Chemistry 2024年第5期92卷 459-483页

作者： Xinying Zhao Yuzhuo Jiang Mengfan Wang Yunfei Huan Qiyang Cheng Yanzheng He Tao Qian Chenglin Yan Collaborative Innovation Center of Suzhou Nano Science and Technology College of EnergySoochow UniversitySuzhou 215006JiangsuChina School of Chemistry and Chemical Engineering Nantong UniversityNantong 226019JiangsuChina School of Petrochemical Engineering Changzhou UniversityChangzhou 213164JiangsuChina

Ammonia(NH_(3))is a multifunctional compound that is an important feedstock for the agricultural and pharmaceutical industries and attractive energy storage *** present,NH_(3)synthesis is highly dependent on the conventional Haber–Bosch process that operates under harsh conditions,which consumes large quantities of fossil fuels and releases a large amount of carbon *** an alternative,electrosynthesis is a prospective method for producing NH_(3)under normal temperature and pressure *** electrocatalytic nitrogen reduction to ammonia has attracted considerable attentions,the low solubility of N_(2)and high N≡N cracking energy render the achievements of high NH_(3) yield rate and Faradaic efficiency *** and nitrite(NO_(x)^(-))are common N-containing *** to their high solubilities and low dissociation energy of N=O,NO_(x)^(-)−are ideal raw materials for NH_(3) ***,electrocatalytic NO_(x)^(-)−reduction to NH_(3)(eNO_(x)RR)is a prospective strategy to simultaneously realise environmental protection and NH_(3) *** review offers a comprehensive understanding of the thriving eNO_(x)RR under ambient *** first,the popular theory and mechanism of eNO_(x)RR and a summary of the measurement system and evaluation criteria are ***,various strategies for developing NO_(x)−reduction catalysts are systematically presented and ***,the challenges and possible prospects of electrocatalytic NO_(x)^(-1) reduction are outlined to facilitate energy-saving and environmentally friendly large-scale synthesis of NH_(3) in the future.

关键词： Electrocatalytic nitrate reduction Electrocatalytic nitrite reduction Ammonia synthesis Pollutant removal Electrosynthesis

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Vasculopathy in dermatomyositis

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Chinese medical Journal 2024年第2期137卷 247-249页

作者： Hui Xu Jie Qian Department of Rheumatology Affiliated Hospital of Nantong UniversityNantongJiangsu 226001China

To the Editor:Dermatomyositis(DM)is a rare autoimmune disease characterized by specific cutaneous manifestations and proximal muscle weakness,in which abnormalities of nailfold capillary(NFC)and serum levels of vascular biomarkers are *** changes in vascular lesions play an important role in the occurrence and development of DM and reflect the disease activity and treatment *** to the diversity of clinical manifestations in DM patients,vascular involvement is often under-evaluated,causing the treatment of refractory vascular damage *** review aims to explore the mechanisms,clinical manifestations,and treatment options of vasculopathy in DM to achieve early recognition and improve prognosis.

关键词： involvement clinical myositis

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Laccase/caffeic acid-catalyzed crosslinking coupled with galactomannan alters the conformational structure of ovalbumin and alleviates Th2-mediated allergic asthma

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Food Science and Human Wellness 2024年第4期13卷 1962-1973页

作者： Ishfaq Ahmed Suidong Ouyang Shengquan Wu Haochang Song Miaoyuan Zhang Renxing Luo Peishan Lu Jiaqi Deng Tingting Zheng Yanyan Wang Xinguang Liu Gonghua Huang Guangdong Provincial Key Laboratory of medical Molecular Diagnostics The First Dongguan Affiliated HospitalGuangdong Medical UniversityDongguan 523808China Haide college Ocean University of ChinaLaoshan CampusQingdao 266100China School of medical Technology Guangdong Medical UniversityDongguan 523808China

Ovalbumin(OVA)is the major allergenic protein that can induce T helper 2(Th2)-allergic reactions,for which current treatment options are *** this study,we developed a polymerized hypoallergenic OVA product via laccase/caffeic acid(Lac/CA)-catalyzed crosslinking in conjunction with galactomannan(Man).The formation of high molecular weight crosslinked polymers and the Ig G-binding were analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis(SDS-PAGE)and Western *** study indicated that Lac/CA-catalyzed crosslinking plus Man conjugation substantially altered secondary and tertiary structures of OVA along with the variation in surface *** digestion stability assay indicated that crosslinked OVA exhibited less resistance in simulated gastric fluid(SGF)and simulated intestinal fluid(SIF).Mouse model study indicated that Lac-Man/OVA ameliorated eosinophilic airway inflammatory response and efficiently downregulated the expression of Th2-related cytokines(interleukin(IL)-4,IL-5,and IL-13),and upregulated IFN-γand IL-10 *** of bone marrow-derived dendritic cells with Lac-Man/OVA suppressed the expression of phenotypic maturation markers(CD80 and CD86)and MHC class II molecules,and suppressed the expression levels of proinflammatory *** knowledge obtained in the present study offers an effective way to acquire a hypoallergenic OVA product that can have a therapeutic effect in alleviating OVA-induced allergic asthma.

关键词： Ovalbumin Laccase Galactomannan Conformational structure Asthma

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Advances in extracellular vesicle-based combination therapies for spinal cord injury

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Neural Regeneration Research 2024年第2期19卷 369-374页

作者： Tingting Wang Guohao Huang Zhiheng Yi Sihan Dai Weiduan Zhuang Shaowei Guo Department of Neurology The First Affiliated Hospital of Shantou University Medical CollegeShantouGuangdong ProvinceChina Department of Biomedical Engineering Shantou UniversityShantouGuangdong ProvinceChina

Spinal cord injury is a severe insult to the central nervous system that causes persisting neurological *** currently available treatments involve surgical,medical,and rehabilitative ***,none of these techniques can markedly reverse neurological ***,extracellular vesicles from various cell sources have been applied to different models of spinal cord injury,thereby generating new cell-free therapies for the treatment of spinal cord ***,the use of extracellular vesicles alone is still associated with some notable shortcomings,such as their uncertainty in targeting damaged spinal cord tissues and inability to provide structural support to damaged ***,this paper reviews the latest combined strategies for the use of extracellular vesicle-based technology for spinal cord injury,including the combination of extracellular vesicles with nanoparticles,exogenous drugs and/or biological scaffold materials,which facilitate the targeting ability of extracellular vesicles and the combinatorial effects with extracellular *** also highlight issues relating to the clinical transformation of these extracellular vesicle-based combination strategies for the treatment of spinal cord injury.

关键词： biomaterials combination therapy drug delivery exosomes extracellular vesicles functional recovery hydrogels scaffolds spinal cord injury tissue engineering

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Correlation of periodontal inflamed surface area with glycated hemoglobin,interleukin-6 and lipoprotein(a)in type 2 diabetes with retinopathy

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World Journal of Diabetes 2024年第4期15卷 686-696页

作者： Nusreen Jamal Thazhe Poyil Rosamma Joseph Vadakkekuttical Chandni Radhakrishnan Department of Periodontics Government Dental College(Affiliated to Kerala University of Health Sciences)Calicut 673008KeralaIndia Department of Medicine Government Medical College(Affiliated to Kerala University of Health Sciences)Calicut 673008KeralaIndia

BACKGROUND The two-way relationship between periodontitis and type 2 diabetes mellitus(T2DM)is well *** hyperglycemia contributes to increased periodontal destruction and severe periodontitis,accentuating diabetic *** inflammatory link exists between diabetic retinopathy(DR)and periodontitis,but the studies regarding this association and the role of lipoprotein(a)[Lp(a)]and interleukin-6(IL-6)in these conditions are scarce in the *** To determine the correlation of periodontal inflamed surface area(PISA)with glycated Hb(HbA1c),serum IL-6 and Lp(a)in T2DM subjects with *** This cross-sectional study comprised 40 T2DM subjects with DR and 40 T2DM subjects without *** subjects were assessed for periodontal parameters[bleeding on probing(BOP),probing pocket depth,clinical attachment loss(CAL),oral hygiene index-simplified,plaque index(PI)and PISA],and systemic parameters[HbA1c,fasting plasma glucose and postprandial plasma glucose,fasting lipid profile,serum IL-6 and serum Lp(a)].RESULTS The proportion of periodontitis in T2DM with and without DR was 47.5%and 27.5%*** of periodontitis,CAL,PISA,IL-6 and Lp(a)were higher in T2DM with DR group compared to T2DM without DR *** difference was observed in the mean percentage of sites with BOP between T2DM with DR(69%)and T2DM without DR(41%),but there was no significant difference in PI(P>0.05).HbA1c was positively correlated with CAL(r=0.351,P=0.001),and PISA(r=0.393,P≤0.001)in study subjects.A positive correlation was found between PISA and IL-6(r=0.651,P<0.0001);PISA and Lp(a)(r=0.59,P<0.001);CAL and IL-6(r=0.527,P<0.0001)and CAL and Lp(a)(r=0.631,P<0.001)among study *** Despite both groups having poor glycemic control and comparable plaque scores,the periodontal parameters were higher in DR as compared to T2DM without *** a bidirectional link exists between periodontitis and DM,the presence of DR may have contr

关键词： Type 2 diabetes mellitus Periodontitis Periodontal inflamed surface Area Glycated Hb Diabetic retinopathy

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Multiple factors to assist human-derived induced pluripotent stem cells to efficiently differentiate into midbrain dopaminergic neurons

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Neural Regeneration Research 2024年第4期19卷 908-914页

作者： Yalan Chen Junxin Kuang Yimei Niu Hongyao Zhu Xiaoxia Chen Kwok-Fai So Anding Xu Lingling Shi Guangdong-Hong Kong-Macao Institute of CNS Regeneration Ministry of Education CNS Regeneration Collaborative Joint LaboratoryJinan University Department of Neurology and Stroke Center The First Affiliated HospitalJinan University Department of Psychiatry The First Affiliated HospitalJinan University Co-innovation Center of Neuroregeneration Nantong University

Midbrain dopaminergic neurons play an important role in the etiology of neurodevelopmental and neurodegenerative *** also represent a potential source of transplanted cells for therapeutic *** vitro differentiation of functional midbrain dopaminergic neurons provides an accessible platform to study midbrain neuronal dysfunction and can be used to examine obstacles to dopaminergic neuronal *** evidence and impressive advances in human induced pluripotent stem cells,with tuned neural induction and differentiation protocols,makes the production of induced pluripotent stem cell-derived dopaminergic neurons *** SB431542 and dorsomorphin dual inhibitor in an induced pluripotent stem cell-derived neural induction protocol,we obtained multiple subtypes of neurons,including 20%tyrosine hydroxylase-positive dopaminergic *** obtain more dopaminergic neurons,we next added sonic hedgehog(SHH)and fibroblast growth factor 8(FGF8)on day 8 of *** increased the proportion of dopaminergic neurons,up to 75%tyrosine hydroxylase-positive neurons,with 15%tyrosine hydroxylase and forkhead box protein A2(FOXA2)co-expressing *** further optimized the induction protocol by applying the small molecule inhibitor,CHIR99021(CHIR).This helped facilitate the generation of midbrain dopaminergic neurons,and we obtained 31-74%midbrain dopaminergic neurons based on tyrosine hydroxylase and FOXA2 ***,we have established three induction protocols for dopaminergic *** on tyrosine hydroxylase and FOXA2 immunostaining analysis,the CHIR,SHH,and FGF8 combined protocol produces a much higher proportion of midbrain dopaminergic neurons,which could be an ideal resource for tackling midbrain-related diseases.

关键词： dopaminergic neurons FGF signal induced pluripotent stem cells midbrain neural differentiation SHH signal SMAD signal WNT signal

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Metformin alleviates spinal cord injury by inhibiting nerve cell ferroptosis through upregulation of heme oxygenase-1 expression

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Neural Regeneration Research 2024年第9期19卷 2041-2049页

作者： Zhihua Wang Wu Zhou Zhixiong Zhang Lulu Zhang Meihua Li Department of Neurosurgery The First Affiliated Hospital of Nanchang UniversityNanchangJiangxi ProvinceChina Postdoctoral Innovation Practice Base The First Affiliated Hospital of Nanchang UniversityNanchangJiangxi ProvinceChina Department of Nephrology Nanchang People’s Hospital Affiliated to Nanchang Medical CollegeNanchangJiangxi ProvinceChina

Previous studies have reported upregulation of heme oxygenase-1 in different central nervous system injury *** oxygenase-1 plays a critical anti-inflammatory role and is essential for regulating cellular redox *** is a classic drug used to treat type 2 diabetes that can inhibit *** studies have shown that,when used to treat cardiovascular and digestive system diseases,metformin can also upregulate heme oxygenase-1 ***,we hypothesized that heme oxygenase-1 plays a significant role in mediating the beneficial effects of metformin on neuronal ferroptosis after spinal cord *** test this,we first performed a bioinformatics analysis based on the GEO database and found that heme oxygenase-1 was upregulated in the lesion of rats with spinal cord ***,we confirmed this finding in a rat model of T9 spinal cord compression injury that exhibited spinal cord nerve cell *** intraperitoneal injection of metformin for 14 days was found to both upregulate heme oxygenase-1 expression and reduce neuronal ferroptosis in rats with spinal cord ***,we used a lentivirus vector to knock down heme oxygenase-1 expression in the spinal cord,and found that this significantly reduced the effect of metformin on ferroptosis after spinal cord *** together,these findings suggest that metformin inhibits neuronal ferroptosis after spinal cord injury,and that this effect is partially dependent on upregulation of heme oxygenase-1.

关键词： acyl-CoA synthetase long-chain family member 4 ferroptosis glutathione peroxidase 4 heme oxygenase-1 inflammation iron lipid peroxidation metformin neuroprotection spinal cord injury

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Metal natural product complex Ru-procyanidins with quadruple enzymatic activity combat infections from drug-resistant bacteria

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Acta Pharmaceutica Sinica B 2024年第5期14卷 2298-2316页

作者： Jie Shan Xu Jin Cong Zhang Muchen Huang Jianghao Xing Qingrong Li Yuyu Cui Qiang Niu Xu Lin Chen Xianwen Wang Department of Burns the First Affiliated Hospital of Anhui Medical UniversityHefei 230022China School of Biomedical Engineering Research and Engineering Center of Biomedical MaterialsAnhui Provincial Institute of Translational MedicineAnhui Medical UniversityHefei 230032China Division of Gastroenterology the First Affiliated Hospital of USTCDivision of Life Science and MedicineUniversity of Science and Technology of ChinaHefeiAnhui 230026China The Second Clinical medical college Anhui Medical UniversityHefei 230022China Department of Oncology the First Affiliated Hospital of Anhui Medical UniversityHefei 230022China college and Hospital of Stomatology Anhui Medical UniversityKey Lab.of Oral Diseases Research of Anhui ProvinceHefei 230032China

Bacterial infection hampers wound repair by impeding the healing ***,inflammation at the wound site triggers the production of reactive oxygen species(ROS),causing oxidative stress and damage to proteins and *** can lead to chronic wounds,posing severe ***,eliminating bacterial infection and reducing ROS levels are crucial for effective wound ***,possessing enzyme-like catalytic activity,can convert endogenous substances into highly toxic substances,such as ROS,to combat bacteria and biofilms without inducing drug ***,the current nanozyme model with single enzyme activity falls short of meeting the complex requirements of antimicrobial ***,developing nanozymes with multiple enzymatic activities is ***,we engineered a novel metalloenzyme called Ru-procyanidin nanoparticles(Ru-PC NPs)with diverse enzymatic activities to aid wound healing and combat bacterial *** acidic conditions,due to their glutathione(GSH)depletion and peroxidase(POD)-like activity,Ru-PC NPs combined with H2O2 exhibit excellent antibacterial ***,in a neutral environment,the Ru-PC NPs,with catalase(CAT)activity,decompose H2O2 to O2,alleviating hypoxia and ensuring a sufficient oxygen ***,Ru-PC NPs possess exceptional antioxidant capacity through their superior superoxide dismutase(SOD)enzyme activity,effectively scavenging excess ROS and reactive nitrogen species(RNS)in a neutral *** maintains the balance of the antioxidant system and prevents ***-PC NPs also promote the polarization of macrophages from M1 to M2,facilitating wound *** importantly,Ru-PC NPs show good biosafety with negligible *** vivo wound infection models have confirmed the efficacy of Ru-PC NPs in inhibiting bacterial infection and promoting wound *** focus of this work highlights the quadruple enzymatic activity of Ru-PC NPs and its potential to reduce inf

关键词： Nanozymes Quadruple enzymatic activity Antibacterial therapy Wound therapy RNA-seqAnti-inflammatory Reactive oxygen species Reactive nitrogen species

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