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Design and Application of m-Hydroxybenzyl Alcohols in Regioselective(3+3)Cycloadditions of 2-Indolymethanols

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Chinese Journal of Chemistry 2023年第1期41卷 27-36页

作者： Yi-Cheng Shi Xin-Yu Yan Ping Wu Song Jiang Ran Xu Wei Tan Feng Shi research center of chiral functional heterocycles School of Chemistry and Materials ScienceJiangsu Normal UniversityXuzhouJiangsu 221116China School of Petrochemical Engineering Changzhou UniversityChangzhouJiangsu 213164China

A new class of m-hydroxybenzyl alcohols has been designed as competent three-carbon building blocks and achieved their applica-tion in 2-indolylmethanol-involved regioselective(3+3)cycloadditions under the catalysis of Br?nsted *** this appoach,a series of indole-fused six-membered cycloadducts have been synthesized in overall good yields(up to 98%)with excellent regioselectivity(all>95:5 rr),thus affording a powerful method for the construction of indole-fused six-membered ***,a catalytic asymmetric version of this(3+3)cycloaddition has been preliminarily investigated,which revealed the potential of the reaction for constructing chiral indole-fused six-membered rings in an enantioselective *** work not only has accomplished the first design of m-hydroxybenzyl alcohols as competent reactants,but also represents the first application of m-hydroxybenzyl alcohols as three-carbon building blocks in *** addition,this work provides a good example for regioselective and C3-nucleophilic(3+3)cycloadditions of 2-indolylmethanols,which will substantially enrich the chemistry of 2-indolylmethanols.

关键词： m-Hydroxybenzyl alcohols 2-lndolymethanols Cycloaddition Regioselectivity heterocycles

Progress in organocatalytic asymmetric (4+3) cycloadditions for the enantioselective construction of seven-membered rings

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Science China Chemistry 2023年第4期66卷 966-992页

作者： Wei Tan Jia-Yi Zhang Cong-Hui Gao Feng Shi research center of chiral functional heterocycles School of Chemistry and Materials ScienceJiangsu Normal UniversityXuzhou 221116China School of Petrochemical Engineering Changzhou UniversityChangzhou 213164China School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiang 453007China

chiral seven-membered ring systems such as seven-membered carbocycles and heterocycles are widely found in natural products and ***,the catalytic enantioselective construction of such frameworks has evoked considerable interest in the field of *** the various approaches,organocatalytic asymmetric(4+3)cycloadditions are highly effective for the enantioselective construction of seven-membered *** the past two decades,substantial efforts have been devoted to this field and chemists have developed various organocatalytic asymmetric(4+3)*** review summarizes the progress in organocatalytic asymmetric(4+3)cycloadditions from 2003 to early 2022 and provides insights into challenging issues faced in this research field,enabling the future development of this field.

关键词： organocatalysis (4+3)cycloaddition seven-membered rings four-atom building blocks

Structure and electrochemical performance of delafossite AgFeO_(2)nanoparticles for supercapacitor electrodes

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 201-213页

作者： Choulong Veann Thongsuk Sichumsaeng Ornuma Kalawa Narong Chanlek Pinit Kidkhunthod Santi Maensiri School of Physics Institute of ScienceSuranaree University of TechnologyNakhon Ratchasima 30000Thailand SUT center of Excellence on Advanced functional Materials Suranaree University of TechnologyNakhon Ratchasima 30000Thailand Synchrotron Light research Institute Nakhon Ratchasima 30000Thailand Department of Physics Universitas Negeri MalangMalang 65145Indonesia

Delafossite AgFeO_(2)nanoparticles with a mixture of 2H and 3R phases were successfully fabricated by using a simple co-precipitation *** resulting precursor was calcined at temperatures of 100,200,300,400,and 500℃to obtain the delafossite AgFe0_(2)*** morphology and microstructure of the prepared AgFeO_(2)samples were characterized by using field emission scanning electron microscopy(FESEM),transmission electron microscopy(TEM),N_(2) adsorption/desorption,X-ray absorption spectroscopy(XAS),and Xray photoelectron spectroscopy(XPS)techniques.A three-electrode system was employed to investigate the electrochemical properties of the delafossite AgFeO_(2)nanoparticles in a 3 M KOH *** delafossite AgFeO_(2)nanoparticles calcined at 100℃(AFO100)exhibited the highest surface area of 28.02 m^(2)·g^(-1)and outstanding electrochemical performance with specific capacitances of 229.71 F·g^(-1)at a current density of 1 A·g^(-1)and 358.32 F·g^(-1)at a scan rate of 2 mV·s^(-1).This sample also demonstrated the capacitance retention of 82.99% after 1000 charge/discharge cycles,along with superior specific power and specific energy values of 797.46 W·kg^(-1)and 72.74Wh·kg^(-1),*** findings indicate that delafossite AgFeO_(2)has great potential as an electrode material for supercapacitor applications.

关键词： nanoparticles delafossite electrochemical properties X-ray absorption spectroscopy co-precipitation supercapacitor

In silico analysis of lncRNA-miRNA-mRNA signatures related to Sorafenib effectiveness in liver cancer cells

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World Journal of Gastroenterology 2025年第3期31卷 84-102页

作者： Patricia de la Cruz-Ojeda Ester Parras-Martínez Raquel Rey-Pérez Jordi Muntané functional Genomics of Solid Tumors Laboratory Centre de Recherche des CordeliersParis 75006France Department of Oncology Surgery Cell Therapy and Organ TransplantationInstitute of Biomedicine of SevilleVirgen del Rocio University HospitalSeville 41013Spain Biomedical research center for Hepatic and Digestive Diseases CIBERehdMadrid 28029Spain Department of Medical Physiology and Biophysics University of SevilleSeville 41009Spain

BACKGROUND Hepatocellular carcinoma(HCC)is the most common subtype of primary liver cancer with varied incidence and epidemiology *** is still a recommended treatment for a large proportion of patients with advanced *** patterns of treatment responsiveness have been identified in differentiated hepatoblastoma HepG2 cells and metastatic HCC SNU449 *** To define the long non-codingRNA-microRNA-mRNA(lncRNA-miRNA-mRNA)predicted signatures related to selected hallmarks of cancer(apoptosis,autophagy,cell stress,cell dedifferentiation and invasiveness)in RNAseq studies using Sorafenib-treated HepG2 and SNU449 *** available software analyses allowed us to establish the lncRNA-miRNA-mRNA regulatory axes following treatment in HepG2 and SNU449 *** HepG2 and SNU449 cells were treated with Sorafenib(10μmol/L)for 24 *** RNA,including small and long RNA,was extracted with a commercial miRNeasy *** was carried out for the identification of changes in lncRNA-miRNA-mRNA regulatory *** MALAT,THAP9-AS1 and SNGH17 appeared to coordinately regulate miR-374b-3p and miR-769-5p that led to upregulation of SMAD7,TIRARP,TFAP4 and FAXDC2 in HepG2 ***12,EPB41 L4A-AS1,LINC01578,SNHG12 and GAS5 interacted with let-7b-3p,miR-195-5p and VEGFA in SNU449 *** axes MALAT1/hsamir-374b-3p/SMAD7 and MALAT1/hsa-mir-769-5p/TFAP4 were of high relevance for Sorafenib response in HepG2 cells,whereas PVT1/hsa-miR-195-5p/VEGFA was responsible for the differential response of SNU449 cells to Sorafenib *** Critical lncRNAs acting as sponges of miRNA were identified that regulated mRNA expression,whose proteins mainly increased the antitumor effectiveness of the treatment(SMAD7,TIRARP,TFAP4,FAXDC2 and ADRB2).However,the broad regulatory axis leading to increased VEGFA expression may be related to the side effect of Sorafenib in SNU449 cells.

关键词： Cell culture Hepatocellular carcinoma Non-coding RNA RNAseq Sorafenib

Traditional Chinese medicine in the treatment of Helicobacter pylorirelated gastritis:The mechanisms of signalling pathway regulations

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World Journal of Gastroenterology 2025年第3期31卷 11-28页

作者： Pei-Pei Zhang Liang Li Hao-Yu Qu Guang-Yu Chen Meng-Zhou Xie Yan-Kun Chen School of Traditional Chinese Medicine Hunan University of Chinese MedicineChangsha 410200Hunan ProvinceChina Hunan Engineering Technology research center for Medicinal and functional Food Hunan University of Chinese MedicineChangsha 410200Hunan ProvinceChina Key Laboratory of Traditional Chinese Medicine Heart and Lung Syndrome Differentiation and Medicated Diet and Dietotherapy Hunan University of Chinese MedicineChangsha 410200Hunan ProvinceChina School of Informatics Hunan University of Chinese MedicineChangsha 410208Hunan ProvinceChina Precision Medicine research and Development center Zhuhai Institute of Advanced TechnologyChinese Academy of SciencesZhuhai 519000Guangdong ProvinceChina

Helicobacter pylori-associated gastritis(HPAG)is a common condition of the gastrointestinal ***,extensive and long-term antibiotic use has resulted in numerous adverse effects,including increased resistance,gastrointestinal dysfunction,and increased recurrence *** these concerns develop,traditional Chinese medicine(TCM)may have *** is based on the concept of completeness and aims to eliminate pathogens and strengthen the *** has the potential to prevent this condition while also boosting the rate of Helicobacter pylori *** review elaborates on the mechanism of TCM treatment for HPAG based on cellular signalling pathways,which reflects the flexibility of TCM in treating diseases and the advantages of multi-level,multipathway,and multi-target treatments for HPAG.

关键词： Helicobacter pylori Helicobacter pylori-associated gastritis Traditional Chinese medicine Signalling pathway Eliminate pathogens Strengthen the body

The emerging role of mesenchymal stem cell-derived extracellular vesicles to ameliorate hippocampal NLRP3 inflammation induced by binge-like ethanol treatment in adolescence

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Neural Regeneration research 2025年第4期20卷 1153-1163页

作者： Susana Mellado María JoséMorillo-Bargues Carla Perpiñá-Clérigues Francisco García-García Victoria Moreno-Manzano Consuelo Guerri María Pascual Department of Physiology School of Medicine and DentistryUniversity of ValenciaValenciaSpain Bioinformatics and Biostatistics Unit Príncipe Felipe Research CenterValenciaSpain Neuronal and Tissue Regeneration Laboratory Príncipe Felipe Research CenterValenciaSpain

Our previous studies have reported that activation of the NLRP3(NOD-,LRR-and pyrin domain-containing protein 3)-inflammasome complex in ethanol-treated astrocytes and chronic alcohol-fed mice could be associated with neuroinflammation and brain *** stem cell-derived extracellular vesicles(MSC-EVs)have been shown to restore the neuroinflammatory response,along with myelin and synaptic structural alterations in the prefrontal cortex,and alleviate cognitive and memory dysfunctions induced by binge-like ethanol treatment in adolescent *** the therapeutic role of the molecules contained in mesenchymal stem cell-derived extracellular vesicles,the present study analyzed whether the administration of mesenchymal stem cell-derived extracellular vesicles isolated from adipose tissue,which inhibited the activation of the NLRP3 inflammasome,was capable of reducing hippocampal neuroinflammation in adolescent mice treated with binge *** demonstrated that the administration of mesenchymal stem cell-derived extracellular vesicles ameliorated the activation of the hippocampal NLRP3 inflammasome complex and other NLRs inflammasomes(e.g.,pyrin domain-containing 1,caspase recruitment domain-containing 4,and absent in melanoma 2,as well as the alterations in inflammatory genes(interleukin-1β,interleukin-18,inducible nitric oxide synthase,nuclear factor-kappa B,monocyte chemoattractant protein-1,and C–X3–C motif chemokine ligand 1)and miRNAs(miR-21a-5p,miR-146a-5p,and miR-141-5p)induced by binge-like ethanol treatment in adolescent *** analysis further revealed the involvement of miR-21a-5p and miR-146a-5p with inflammatory target genes and NOD-like receptor signaling *** together,these findings provide novel evidence of the therapeutic potential of MSC-derived EVs to ameliorate the hippocampal neuroinflammatory response associated with NLRP3 inflammasome activation induced by binge drinking in adolescence.

关键词： adolescence binge-like ethanol treatment extracellular vesicles hippocampus mesenchymal stem cells neuroinflammation NOD-,LRR-and pyrin domain-containing protein 3(NLRP3)

Treadmill exercise in combination with acousto-optic and olfactory stimulation improves cognitive function in APP/PS1 mice through the brain-derived neurotrophic factor-and Cygb-associated signaling pathways

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Neural Regeneration research 2025年第9期20卷 2706-2726页

作者： Biao Xiao Chaoyang Chu Zhicheng Lin Tianyuan Fang Yuyu Zhou Chuxia Zhang Jianghui Shan Shiyu Chen Liping Li Department of Physiology and Pharmacology Health Science CenterNingbo UniversityNingboZhejiang ProvinceChina Ningbo Key Laboratory of Behavioral Neuroscience Health Science CenterNingbo UniversityNingboZhejiang ProvinceChina Key Laboratory of Addiction research of Zhejiang Province NingboZhejiang ProvinceChina

A reduction in adult neurogenesis is associated with behavioral abnormalities in patients with Alzheimer's ***,enhancing adult neurogenesis represents a promising therapeutic approach for mitigating disease symptoms and ***,nonpharmacological interventions aimed at inducing adult neurogenesis are currently *** individual non-pharmacological interventions,such as aerobic exercise,acousto-optic stimulation,and olfactory stimulation,have shown limited capacity to improve neurogenesis and cognitive function in patients with Alzheimer's disease,the therapeutic effect of a strategy that combines these interventions has not been fully *** this study,we observed an age-dependent decrease in adult neurogenesis and a concurrent increase in amyloid-beta accumulation in the hippocampus of amyloid precursor protein/presenilin 1 mice aged 2-8 *** deposition became evident at 4 months,while neurogenesis declined by 6 months,further deteriorating as the disease ***,following a 4-week multifactor stimulation protocol,which encompassed treadmill running(46 min/d,10 m/min,6 days per week),40 Hz acousto-optic stimulation(1 hour/day,6 days/week),and olfactory stimulation(1 hour/day,6 days/week),we found a significant increase in the number of newborn cells(5'-bromo-2'-deoxyuridine-positive cells),immature neurons(doublecortin-positive cells),newborn immature neurons(5'-bromo-2'-deoxyuridine-positive/doublecortin-positive cells),and newborn astrocytes(5'-bromo-2'-deoxyuridine-positive/glial fibrillary acidic protein-positive cells).Additionally,the amyloid-beta load in the hippocampus *** findings suggest that multifactor stimulation can enhance adult hippocampal neurogenesis and mitigate amyloid-beta neuropathology in amyloid precursor protein/presenilin 1 ***,cognitive abilities were improved,and depressive symptoms were alleviated in amyloid precursor protein/presenilin 1 mice

关键词： acousto-optic stimulation adult neurogenesis Alzheimer's disease amyloid precursor protein/presenilin 1 mice amyloid-beta deposition brain cell apoptosis cognitive impairment depression-like behavior involuntary treadmill exercise olfactory stimulation serum metabolites

Future of non-invasive graft evaluation:A systematic review of proteomics in kidney transplantation

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World Journal of Transplantation 2025年第1期15卷 135-149页

作者： Eleni Avramidou Konstantina Psatha Kallisti St John Georgios Tsoulfas Michalis Aivaliotis Department of Transplantation Surgery Center for Research and Innovation in Solid Organ TransplantationAristotle University of ThessalonikiSchool of MedicineThessaloniki 54642Greece Laboratory of Medical Biology-Genetics School of MedicineAristotle University of ThessalonikiThessaloniki 54124Greece functional Proteomics and Systems Biology(FunPATh) Center for Interdisciplinary Research and Innovation(CIRI-AUTH)Thessaloniki GR-57001Greece Laboratory of Biological Chemistry School of MedicineAristotle University of ThessalonikiThessaloniki 54124Greece

BACKGROUND Despite the developments in the field of kidney transplantation,the already existing diagnostic techniques for patient monitoring are considered *** biomarkers that can be derived from modern approaches of proteomic analysis of liquid biopsies(serum,urine)represent a promising innovation in the monitoring of kidney transplant *** To investigate the diagnostic utility of protein biomarkers derived from proteomics approaches in renal allograft *** A systematic review was conducted in accordance with PRISMA guidelines,based on research results from the PubMed and Scopus *** primary focus was on evaluating the role of biomarkers in the non-invasive diagnosis of transplant-related *** criteria included protein biomarkers and urine and blood samples,while exclusion criteria were language other than English and the use of low resolution and sensitivity *** selected research articles,were categorized based on the biological sample,condition and methodology and the significantly and reproducibly differentiated proteins were manually selected and *** and network analysis of the selected proteins was *** In 17 included studies,58 proteins were studied,with the cytokine CXCL10 being the most *** pathways related to immune response and fibrosis have shown to be *** of biomarkers for the assessment of renal damage as well as the prediction of short-term and long-term function of the graft were ***,all studies have shown satisfactory diagnostic accuracy of proteins alone or in combination with conventional methods,as far as renal graft assessment is *** Our review suggests that protein biomarkers,evaluated in specific biological fluids,can make a significant contribution to the timely,valid and non-invasive assessment of kidney graft.

关键词： Proteomics Kidney transplantation Graft evaluation Non-invasive diagnosis Kidney graft function

Exosomes:the next-generation therapeutic platform for ischemic stroke

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Neural Regeneration research 2025年第5期20卷 1221-1235页

作者： Wenjing Yin Hongyin Ma Yang Qu Jiaxin Ren Yingying Sun Zhen-Ni Guo Yi Yang Stroke center Department of NeurologyFirst Hospital of Jilin UniversityChangchunJilin ProvinceChina Neuroscience research center Department of NeurologyFirst Hospital of Jilin UniversityChangchunJilin ProvinceChina

Current therapeutic strategies for ischemic stroke fall short of the desired objective of neurological functional ***,there is an urgent need to develop new methods for the treatment of this *** are natural cell-derived vesicles that mediate signal transduction between cells under physiological and pathological *** have low immunogenicity,good stability,high delivery efficiency,and the ability to cross the blood–brain *** physiological properties of exosomes have the potential to lead to new breakthroughs in the treatment of ischemic *** rapid development of nanotechnology has advanced the application of engineered exosomes,which can effectively improve targeting ability,enhance therapeutic efficacy,and minimize the dosages *** in technology have also driven clinical translational research on *** this review,we describe the therapeutic effects of exosomes and their positive roles in current treatment strategies for ischemic stroke,including their antiinflammation,anti-apoptosis,autophagy-regulation,angiogenesis,neurogenesis,and glial scar formation reduction ***,it is worth noting that,despite their significant therapeutic potential,there remains a dearth of standardized characterization methods and efficient isolation techniques capable of producing highly purified *** optimization strategies should prioritize the exploration of suitable isolation techniques and the establishment of unified workflows to effectively harness exosomes for diagnostic or therapeutic applications in ischemic ***,our review aims to summarize our understanding of exosome-based treatment prospects in ischemic stroke and foster innovative ideas for the development of exosome-based therapies.

关键词： blood–brain barrier electroacupuncture engineering exercise exosomes ischemic stroke mesenchymal stem cells microglia neuroprotection stents