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Protein nanoparticles as potent delivery vehicles for polycytosine RNA-binding protein one

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World Journal of Diabetes 2025年第1期16卷 222-225页

作者： Zi-Yu Zhao Pei-Li Luo Xia Guo Zheng-Wei Huang State Key Laboratory of Bioactive Molecules and Druggability Assessment Guangdong Basic Research Center of Excellence for Natural Bioactive Molecules and Discovery of Innovative DrugsCollege of PharmacyJinan UniversityGuangzhou 511436Guangdong ProvinceChina

Ma et al recently reported in the World Journal of Diabetes that ferroptosis occurs in osteoblasts under high glucose conditions,reflecting diabetes *** condition could be protected by the upregulation of the gene encoding polycytosine RNA-binding protein 1(PCBP1).Additionally,Ma et al used a lentivirus infection system to express *** the authors’method of administration can be improved in terms of stability and cost,we propose delivering PCBP1 to treat type 2 diabetic osteoporosis by encapsulating it in protein ***,PCBP1 is small and ***,intravenous injection can help deliver PCBP1 across the mucosa while avoiding acid and enzyme-catalyzed ***,incorporating PCBP1 into nanoparticles prevents its interaction with water or oxygen and protects PCBP1’s structure and ***,the safety of the protein materials and the industrialization techniques for large-scale production of protein nanoparticles must be comprehensively investigated before clinical application.

关键词： Polycytosine RNA-binding protein 1 Protein nanoparticle Osteoblast Ferroptosis Diabetes

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

Endless exploration for natural products: dedicated to the 80th birthday of Prof. SUN Han-Dong

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Chinese Journal of natural medicines 2019年第12期17卷 881-882页

作者： KONG Ling-Yi Chinese Journal of natural medicines Jiangsu Key Laboratory of Bioactive natural Product research and State Key Laboratory of natural medicines Department of Natural Medicinal Chemistry China Pharmaceutical University

natural Products always exhibit more intellectual bioactivities and atom economy,and it’s also an important source of innovative *** Han-Dong,Academician of Chinese Academy of Sciences from Kunming Institute of Botany,has made outstanding contributions to natural product chemistry,andsetagoodexamplefor *** occasion ofProfSun’s 80th birthday,I’d like to express my deep respect to him,and wish *** a happy birthday and good health.

关键词： Academician birthday drugs

Two new nimbolinin-and trichilin-class limonoids isolated from the fruits of Melia azedarach

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Chinese Journal of natural medicines 2019年第3期17卷 227-230页

作者： QIU Lu HENG Li XU Rong LUO Jun LI Yi Testing & Analysis center Nanjing Normal University Jiangsu Key Laboratory of Bioactive natural Product research and State Key Laboratory of natural medicines China Pharmaceutical University

Two new furan fragment isomerized limonoids, meliazedalides A and B(compounds 1 and 2), were isolated from the fruits of Melia azedarach Linn.. Their chemical structures were elucidated on the basis of HR-ESI-MS and 1D and 2D NMR data, which belonged to nimbolinin-and trichilin-class, respectively. Compound 2 exhibited weak inhibitory effect on NO production in lipopolysaccharide(LPS)-activated RAW 264.7 macrophages with IC_(50) being 37.41 μmol·L^(–1).

关键词： Melia azedarach Meliaceae Limonoid Anti-inflammatory

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

Mechanism of inflammatory response and therapeutic effects of stem cells in ischemic stroke:current evidence and future perspectives

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Neural Regeneration research 2025年第1期20卷 67-81页

作者： Yubo Wang Tingli Yuan Tianjie Lyu Ling Zhang Meng Wang Zhiying He Yongjun Wang Zixiao Li Vascular Neurology Department of NeurologyBeijing Tiantan HospitalCapital Medical UniversityBeijingChina China National Clinical research center for Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Shanghai Engineering research center of Stem Cells Translational Medicine ShanghaiChina National center for Healthcare Quality Management in Neurological Diseases Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Institute for Regenerative Medicine Shanghai East HospitalSchool of Life Sciences and TechnologyTongji UniversityShanghaiChina Chinese Institute for Brain research BeijingChina research Unit of Artificial Intelligence in Cerebrovascular Disease Chinese Academy of Medical SciencesBeijingChina Beijing Engineering research center of Digital Healthcare for Neurological Diseases BeijingChina

Ischemic stroke is a leading cause of death and disability worldwide,with an increasing trend and tendency for onset at a younger ***,in particular,bears a high burden of stroke *** recent years,the inflammatory response after stroke has become a research hotspot:understanding the role of inflammatory response in tissue damage and repair following ischemic stroke is an important direction for its *** review summarizes several major cells involved in the inflammatory response following ischemic stroke,including microglia,neutrophils,monocytes,lymphocytes,and ***,we have also highlighted the recent progress in various treatments for ischemic stroke,particularly in the field of stem cell ***,understanding the complex interactions between inflammation and ischemic stroke can provide valuable insights for developing treatment strategies and improving patient *** cell therapy may potentially become an important component of ischemic stroke treatment.

关键词： cell therapy immune cell inflammatory ischemic stroke stem cell

Total Synthesis of Three New Dihydrostilbenes from Bulbophllum odoratissimum

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Chinese Chemical Letters 2006年第3期17卷 307-309页

作者： Jin Guang LIN Wei Ge ZHANG Rui ZHAO Ze Yu NIU Kai BAO Dai Lin LIU Nai Li WANG Xin Shen YAO School of Pharmaceutical Engineering Shenyang Pharmaceutical University Shenyang 110016 The research center of Traditional Chinese medicines and natural Products Research Institute of Tsinghua University Shenzhen 518057

A total synthesis of three new dihydrostilbenes, 1, 2 and 3, which were isolated from Bulbophyllum odoratissimum Lindl. with significant cytotoxicity toward human cancer cell lines, was developed via Homer reaction et... 详细信息

关键词： Dihydrostilbene total synthesis Bulbophyllum odoratissimum Lindl.

Microcos paniculata: a review on its botany, traditional uses, phytochemistry and pharmacology

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Chinese Journal of natural medicines 2019年第8期17卷 561-574页

作者： JIANG Ying-Qun LIU E-Hu State Key Laboratory of natural medicines China Pharmaceutical University

The shrub Microcos paniulata(MPL;Tiliaceae), distributed in south China, south and southeast Asia, yields a phytomedicine used to treat heat stroke, fever, dyspepsia, diarrhea, insect bites and jaundice. Phytochemical investigations on different parts of MPL indicate the presence of flavonoids, alkaloids, triterpenoids and organic acids. The MPL leaves, fruits, barks and roots extracts showed antidiarrheal, antimicrobial and insecticidal, anti-inflammation, hepatoprotective, cardiovascular protective, blood lipids reducing, analgesic, jaundice-relieving and antipyretic activities, etc. The review aims to summary the traditional uses, botany,phytochemistry, pharmacological bioactivity, quality control, toxicology and potential mechanisms of MPL. Additionally, this review will highlight the existing research gaps in knowledge and provide a foundation for further investigations on this plant.

关键词： Microcos paniculata Botany Traditional uses Phytochemistry Pharmacology

Diverse Ring-seco Limonoids from Munronia unifoliolata and Their Biological Activities

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Chinese Journal of Chemistry 2022年第1期40卷 123-136页

作者： Yunpeng Sun Qiurong Li Letian Cui Pengfei Tang Yongyi Li Lingyi Kong Jun Luo Jiangsu Key Laboratory of Bioactive natural Product research State Key Laboratory of Natural MedicinesDepartment of Natural Medicinal ChemistryChina Pharmaceutical UniversityNanjingJiangsu 210009China

Twenty-two new limonoids,mufolinoids A—V(1—22),including six rings A,B-seco limonoids(1—6),twelve ring A-seco limonoids(7—18),four ring-intact limonoids(19—22),together with thirteen known compounds(23—35)were isolated from Munronia *** structures including absolute configurations were elucidated by combination of NMR,HR-MS,single-crystal X-ray diffraction and calculations of ECD and NMR *** 24,25,33,34 could be significantly reversed the multidrug resistance of MCF-7/doxorubicin(DOX)cells,and the reversal fold(RF)was much higher than that of positive drug *** 24,28,and 29 exhibited significant anti-inflammatory activity with the IC50 values in the range of 17.7—39.4μmol/***,compound 29 could markedly inhibit the release of IL-1βby inhibiting the initiation and assembly of NLRP3 inflammasome,which demonstrates the great potential of limonoids as an anti-inflammatory agent.

关键词： Munronia unifoliolata Limonoids Structure elucidation Inflammatory natural products