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Cisplatin-based miRNA delivery strategy inspired by the circCPNE1/miR-330-3p pathway for oral squamous cell carcinoma

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Acta Pharmaceutica Sinica B 2024年第6期14卷 2748-2760页

作者： hua-yang Fan ming-da Zhao Hong-jie Jiang Zhen-wei Yu Yu-jiang Fan Xin-hua Liang Ya-ling Tang Yong Sun State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases&Department of Oral and Maxillofacial Surgery West China Hospital of StomatologySichuan UniversityChengdu 610041China National Engineering Research Center for Biomaterials Sichuan UniversityChengdu 610065China State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases&Department of Oral Pathology West China Hospital of StomatologySichuan UniversityChengdu 610041China

Circular RNAs(circRNAs)are ideal biomarkers of oral squamous cell carcinoma(OSCC)because of their highly stable closed-loop structure,and they can act as microRNA(miRNA)sponges to regulate OSCC *** analyzing clinical samples,we identified circCPNE1,a dysregulated circRNA in OSCC,and its expression level was negatively correlated with the clinical stage of OSCC ***-of-function assays revealed the tumor-suppressive effect of circCPNE1,which was then identified as a miR-330-3p ***-330-3p was recognized as a tumor promoter in multiple studies,consistent with our finding that it could promote the proliferation,migration,and invasion of OSCC *** results indicated that selective inhibition of miR-330-3p could be an effective strategy to inhibit OSCC ***,we designed cationic polylysine-cisplatin prodrugs to deliver antagomiR-330-3p(a miRNA inhibitory analog)via electrostatic interactions to form PP@miR nanoparticles(NPs).Paratumoral administration results revealed that PP@miR NPs effectively inhibited subcutaneous tumor progression and achieved partial tumor elimination(2/5),which confirmed the critical role of miR-330-3p in OSCC *** findings provide a new perspective for the development of OSCC treatments.

关键词： Oral squamous cell carcinoma CircRNA MiRNA sponge Antagomir MiRNA delivery Cisplatin-based nanoparticles Drug delivery systems Tumor elimination

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Long non-coding RNA GATA6-AS1 is mediated by N6-methyladenosine methylation and inhibits the proliferation and metastasis of gastric cancer

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World Journal of Gastrointestinal Oncology 2024年第3期16卷 1019-1028页

作者： Jun-Jie Shen Min-Chang Li Shao-Qi Tian wen-ming Chen Department of Oncology Jiangxi Hospital of Integrated Chinese and Western MedicineNanchang 330000Jiangxi ProvinceChina Department of Hepatopancreatobiliary Surgery Jiangxi Hospital of Integrated Chinese and Western MedicineNanchang 330000Jiangxi ProvinceChina Clinical Medical School Jining Medical UniversityJining 272000Shandong ProvinceChina Department of Oncology Jining No.1 People’s HospitalJining 272011Shandong ProvinceChina

BACKGROUND Through experimental research on the biological function of GATA6-AS1,it was confirmed that GATA6-AS1 can inhibit the proliferation,invasion,and migration of gastric cancer cells,suggesting that GATA6-AS1 plays a role as an anti-oncogene in the occurrence and development of gastric *** experi-ments confirmed that the overexpression of fat mass and obesity-associated protein(FTO)inhibited the expression of GATA6-AS1,thereby promoting the occurrence and development of gastric *** To investigate the effects of GATA6-AS1 on the proliferation,invasion and migration of gastric cancer cells and its mechanism of *** We used bioinformatics methods to analyze the Cancer Genome Atlas(https://***/.The Cancer Genome Atlas)and download expression data for GATA6-AS1 in gastric cancer tissue and normal *** also constructed a GATA6-AS1 lentivirus overexpression vector which was transfected into gastric cancer cells to investigate its effects on proliferation,migration and invasion,and thereby clarify the expression of GATA6-AS1 in gastric cancer and its biological role in the genesis and development of gastric ***,we used a database(http://***/starbase2/)to analysis GATA6-AS1 whether by m6A methylation modify regulation and predict the methyltransferases that may methylate ***,RNA immunoprecipitation experiments confirmed that GATA6-AS1 was able to bind to the m6A methylation modification *** data allowed us to clarify the ability of m6A methylase to influence the action of GATA6-AS1 and its role in the occurrence and development of gastric *** Low expression levels of GATA6-AS1 were detected in gastric *** also determined the effects of GATA6-AS1 overexpression on the biological function of gastric cancer ***6-AS1 had strong binding ability with the m6A demethylase FTO,which was expressed at high levels in gastric cancer and negatively correlat

关键词： Long non-coding RNA GATA6-AS1 N6-methyladenine modification Fat mass and obesity-associated protein Gastric cancer

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Engineering S-scheme W_(18)O_(49)/ZnIn_(2)S_(4)heterojunction by Co_(x)P nanoclusters for enhanced charge transfer capability and solar hydrogen evolution

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Nano Research 2024年第9期17卷 8095-8103页

作者： Xiaojie Liu Erkang Liu Zixian Wang wen Zhang mingyu Dou hua Yang Changhua An Dacheng Li Jianmin Dou Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology School of Chemistry and Chemical EngineeringLiaocheng UniversityLiaocheng 252059China Tianjin Key Laboratory of Organic Solar Cell and Photochemical Conversion School of Chemistry and Chemical EngineeringTianjin Key Laboratory of Advanced Functional Porous MaterialsInstitute for New Energy Materials and Low-Carbon TechnologiesTianjin University of TechnologyTianjin 300384China Institute of Powder Metallurgy and Advanced Ceramics School of Materials Science and EngineeringUniversity of Science and Technology BeijingBeijing 100083China

Enhancement of the light-absorption response and utilization of the photogenerated carriers represent a robust strategy for the design of high-performance *** this work,grafting Co_(x)P nanoclusters onto S-scheme heterojunction of W18O49/ZnIn2S4(WO/ZIS-CoxP)with strong response to the ultraviolet-visible-near infrared ray(UV-vis-NIR)region has been achieved,which possesses efficient electron-transfer-channel,and boosts charge-separation and transport *** as-prepared WO/ZIS-Co_(x)P yields an impressive solar-driven hydrogen production rate of 45 mmol·g^(-1)·h^(-1).The increased photocatalytic performance is attributed to the synergistic effect of the composite catalyst:(1)The local surface plasmon resonance-induced“hot electron”injection of W_(18)O_(49)significantly increases the electron density;(2)the engineered S-scheme directional electron transfer promotes charge separation and enhances the reducing capability of photoexcited electrons;and(3)Co_(x)P as electron-trap site for accelerating surface proton reduction *** work provides a platform to impart nonprecious co-catalyst for engineering S-scheme heterojunction,serving a class of efficient solar-driven photocatalyst towards hydrogen production.

关键词： hydrogen cocatalyst photocatalysis S-scheme hot electron

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Heteroepitaxial growth of Au@Pd core–shell nanocrystals with intrinsic chiral surfaces for enantiomeric recognition

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Rare Metals 2024年第1期43卷 225-235页

作者： Feng-Xia Wu Feng-hua Li Xia-Li Lv Qi-Xian Zhang Guo-Bao Xu wen-Xin Niu State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China Shaoxing Institute of Technology Shanghai UniversityShaoxing 312000China University of Science and Technology of China Hefei 230026China School of Materials Science and Engineering Shanghai UniversityShanghai 200436China Zhejiang Institute of Advanced Materials Shanghai UniversityJiashan 314113China University of Chinese Academy of Sciences Beijing 100039China

Noble metal surfaces with intrinsic chirality serve as an ideal candidate for investigating enantioselective chemistry due to their superior chemical durability and high catalytic ***,significant advance has been made in synthesizing metal nanocrystals with intrinsic ***,the majority reports are limited to ***,through a heteroepitaxial growth strategy,the synthesis of metal nanocrystals with intrinsic chirality to palladium was extended for the first time and their application in enantioselective recognition was *** heteroepitaxial growth strategy allows for transferring the chirality of homochiral Au nanocrystals to Au@Pd core–shell *** employing the chiral Au@Pd nanocrystals as enantiomeric recognizing elements,a series of electrochemical sensors for chiral discrimination were *** optimal conditions,the peak potential between D-dihydroxyphenylalanine(D-DOPA)and L-dihydroxyphenylalanine(L-DOPA)is about 80 m V,and the peak current of D-DOPA is 2 times as much as that of L-DOPA,which enables the determination of the enantiomeric excess(EE,%)of ***,this report not only introduces a heteroepitaxial growth strategy to synthesize metal nanocrystals with intrinsic chirality,but also demonstrates the superior capability of integrating intrinsic chirality and catalytic properties into metal nanocrystals for chiral recognition.

关键词： Core–shell nanostructures Chirality transfer Electrochemical sensors Chiral recognition Chiroplasmonics

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Synthesis,chemical bonding and reactivity of new medium-sized polyarsenides

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Chinese Chemical Letters 2024年第7期35卷 497-501页

作者： Xu-Hui Yue Xiang-wen Zhang Hui-Min He Lei Qiao Zhong-ming Sun State Key Laboratory of Element-Organic Chemistry Tianjin Key Lab for Institution Rare Earth Materials and ApplicationsSchool of Materials Science and EngineeringNankai UniversityTianjin 300350China Department of Physics Institute of Computational and Applied PhysicsTaiyuan Normal UniversityJinzhong 030619China

Gaining an understanding of the growth mechanism from single atoms to clusters and bulk materials continues to present a ***,it is important to explore the evolving trends of clusters in the structure and properties during the size *** this work,we report the synthesis and characterization of two medium-sized chain-like polyarsenic anions.[As_(21)]^(3-)represents a trimeric example of polyarsenic anion assembled through oxidative coupling of As_(7)^(3-)*** anion As_(18)^(4-)included in[As_(18)MO_(2)(CO)_(8)]^(4-)is regarded as formed by two realgar-type As_(8)subunits connected by a dinuclear AsAs *** As_(18)cluster was previously predicted by theory,and this is the first time successfully synthesized using wet chemistry ***,small-sized polyarsenides As_(2)^(2-)and As_(10)^(2-)were found in compound[K(18-crown-6)]_(3)[As_(10)]_(0.5)[As_(4){Mo(CO)_(3)}_(2)]_(0.5)·*** these,the former exhibits coordination with metal ***-crystal X-ray diffraction combined with quantum chemical calculations revealed the formation of double bonded As_(2)^(2-)stabilized by metal carbonyl *** work demonstrates a novel synthetic approach for the preparation of new polyarsenides and highlights their intriguing bonding characteristics,laying the foundation for the synthesis of such compounds and paving the way for their potential applications.

关键词： Polyarsenide Zintl anions Chain-like cluster DFT calculations AdNDP

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Circ_0004592:An auxiliary diagnostic biomarker for gastric cancer

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World Journal of Gastrointestinal Oncology 2024年第6期16卷 2757-2768页

作者： Shan Kong Yan-hua Xu ming Zheng Shao-Qing Ju Heng-Chuan Shi Department of Laboratory Medicine Jiangsu Province Official HospitalNanjing 210000Jiangsu ProvinceChina Department of Laboratory Medicine Northern Jiangsu People’s HospitalYangzhou 225000Jiangsu ProvinceChina Department of Laboratory Medicine The Affiliated Hospital of Nantong UniversityNantong 226001Jiangsu ProvinceChina

BACKGROUND Gastric cancer(GC)has a high mortality rate,and robust diagnostic biomarkers are currently ***,the clinical relevance of circular RNAs(circRNAs)as GC biomarkers remains largely *** To evaluate the potential of novel circRNA circ_0004592 in the early screening and prognosis of *** High-throughput sequencing of circRNAs was performed to screen for potential target ***_0004592 expression was examined in GC tissues,cells,and *** samples were collected from healthy subjects’patients,as well as from patients with benign lesions,precancerous lesions,and GC,whereafter the diagnostic accuracy of circ_0004592 was *** correlation between circ_0004592 levels in plasma and clinicopathological data of patients with GC was further *** Circ_0004592 was upregulated in both the tissue and plasma of patients with ***,circ_0004592 expression was higher in patients with precancerous lesions than in healthy controls while being highest in patients with *** the same patient,the postoperative plasma level of circ_0004592 was lower than that in the preoperative ***,circ_0004592 level was significantly correlated with tumor differentiation,tumor depth,and lymph node *** area under the curve(AUC)of plasma circ_0004592 exhibited high sensitivity and specificity for differentiating patients with GC from healthy *** based on circ_0004592,carcinoembryonic antigen,and cancer antigen 199 achieved a superior AUC and was highly *** Plasma circ_0004592 may represent a potential non-invasive auxiliary diagnostic biomarker for patients with GC.

关键词： Biomarker Circular RNA Diagnosis Gastric cancer Plasma

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Clinically significant changes in anal sphincter hiatal area in patients with gestational diabetes mellitus and pelvic organ prolapse

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World Journal of Diabetes 2024年第8期15卷 1726-1733页

作者： Qing-Hong Wang Li-hua Liu hua Ying ming-Xu Chen Chang-Jiang Zhou Hui Li Department of Sonography People's Hospital Affiliated to Shandong First Medical UniversityJinan 271100Shandong ProvinceChina Department of Obstetrics and Gynecology People's Hospital Affiliated to Shandong First Medical UniversityJinan 271100Shandong ProvinceChina

BACKGROUND The prevalence of pelvic organ prolapse(POP)increases with age and ***,the prevalence of POP among women aged 20 to 39 is 9.7%,while it rises to 49%among women over 80 years ***,as the number of deliveries increases,the prevalence of POP also rises accordingly,with a rate of 12.8%for women with one delivery history,18.7%for those with two deliveries,and 24.6%for women with three or more *** causes immense suffering for pregnant *** To evaluate the relationship between the levator ani muscle’s hiatus(LH)area and POP in patients with gestational diabetes mellitus(GDM)using perineal *** The study cohort comprised 104 patients aged 29.8±3.7 years who sought medical care at our institution between January 2021 and June *** were singleton pregnancies consisting of 75 primiparas and 29 multiparas,with an average parity of 1.7±*** to the POP diagnostic criteria,the 104 subjects were divided into two groups with 52 members each:POP group(patients with GDM combined with POP)and non-POP group(patients with GDM without POP).Perineal ultrasound was used to measure differences in the anteroposterior diameter,transverse diameter,and LH *** operating characteristic curves were drawn to determine the optimal cutoff values for the LH anteroposterior diameter,transverse diameter,and area for diagnosing *** Statistically significant increase in the LH area,anteroposterior diameter,and lateral diameter were observed in the POP group compared with the non-POP group(P<0.05).Both groups exhibited markedly elevated incidence rates of macrosomia and stress urinary *** the POP group,the area under the curve(AUC)for the LH area was 0.906 with a 95%confidence interval(CI):*** optimal cutoff was 13.54cm²,demonstrating a sensitivity of 83.2%and a specificity of 64.4%.The AUC for the anteroposterior diameter reached 0.836 with a 95%CI:*** optimal cutoff was 5

关键词： Ultrasound Levator ani muscle hiatus Gestational diabetes mellitus Pelvic organ prolapse

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Structure of a histone hexamer bound by the chaperone domains of SPT16 and MCM2

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Science China(Life Sciences) 2024年第6期67卷 1305-1307页

作者： Songlin Gan wen-Si Yang Liting Wei Zhiguo Zhang Rui-ming Xu Key Laboratory of Epigenetic Regulation and Intervention Institute of BiophysicsChinese Academy of SciencesBeijing 100101China School of Life Sciences University of Chinese Academy of SciencesBeijing 100049China Institute for Cancer Genetics Department of Pediatrics and Department of Genetics and DevelopmentColumbia University Irving Medical CenterNew York 10032USA School of Life Science Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesHangzhou 310024China

Dear Editor,The passage of DNA replication forks during eukaryotic cell division disrupts the nucleosomes they encounter,and de novo assembly of nucleosomes onto replicated DNA must take place to restore chromatin ***... 详细信息

关键词： structure nucleosome passage

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X-Paste improves wound healing in diabetes via NF-E2-related factor/HO-1 signaling pathway

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World Journal of Diabetes 2024年第6期15卷 1299-1316页

作者： ming-Wei Du Xin-Lin Zhu Dong-Xing Zhang Xian-Zhen Chen Li-hua Yang Jin-Zhou Xiao wen-Jie Fang Xiao-Chun Xue Wei-hua Pan Wan-Qing Liao Tao Yang Institute of Cardiovascular Disease Shanghai Key Laboratory of Traditional Chinese Clinical MedicineShanghai University of Traditional Chinese MedicineShanghai 200120China Department of Dermatology Shanghai Key Laboratory of Molecular Medical MycologySecond Affiliated Hospital of Naval Medical UniversityShanghai 200003China Department of Dermatology Dongshan HospitalMeizhou 514000Guangdong ProvinceChina Department of Dermatology Central Hospital Affiliated to Shandong First Medical UniversityJinan 250000Shandong ProvinceChina Department of Emergency Naval Hospital of Eastern TheaterZhoushan 316000Zhejiang ProvinceChina Department of Pharmacy 905th Hospital of People’s Liberation Army of China(PLA)NavyShanghai 200052China

BACKGROUND Diabetic foot ulcers(DFU),as severe complications of diabetes mellitus(DM),significantly compromise patient health and carry risks of amputation and *** To offer new insights into the occurrence and development of DFU,focusing on the therapeutic mechanisms of X-Paste(XP)of wound healing in diabetic *** Employing traditional Chinese medicine ointment preparation methods,XP combines various medicinal ***-performance liquid chromatography(HPLC)identified XP’s main *** streptozotocin(STZ)-induced diabetic,we aimed to investigate whether XP participated in the process of diabetic wound ***-sequencing analyzed gene expression differences between XP-treated and control *** docking clarified XP’s treatment mechanisms for diabetic wound *** umbilical vein endothelial cells(HUVECs)were used to investigate the effects of Andrographolide(Andro)on cell viability,reactive oxygen species generation,apoptosis,proliferation,and metastasis in vitro following exposure to high glucose(HG),while NF-E2-related factor-2(Nrf2)knockdown elucidated Andro’s molecular *** XP notably enhanced wound healing in mice,expediting the healing ***-sequencing revealed Nrf2 upregulation in DM tissues following XP *** identified 21 primary XP components,with Andro exhibiting strong Nrf2 *** mitigated HG-induced HUVECs proliferation,metastasis,angiogenic injury,and inflammation *** alleviates HG-induced HUVECs damage through Nrf2/HO-1 pathway activation,with Nrf2 knockdown reducing Andro’s proliferative and endothelial protective *** XP significantly promotes wound healing in STZ-induced diabetic *** XP’s key component,Andro activates the Nrf2/HO-1 signaling pathway,enhancing cell proliferation,tubule formation,and inflammation reduction.

关键词： Words:Diabetes mellitus Wound healing NF-E2-related factor-2/HO-1 signaling pathway Andrographolide

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Comprehensive analysis of the potential pathogenesis of COVID-19 infection and liver cancer

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 436-457页

作者： Yao Rong ming-Zheng Tang Song-hua Liu Xiao-Feng Li Hui Cai First Clinical Medical College Gansu University of Chinese MedicineLanzhou 730000Gansu ProvinceChina General Surgery Clinical Medical Center Gansu Provincial HospitalLanzhou 730000Gansu ProvinceChina Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province Gansu Provincial HospitalLanzhou 730000Gansu ProvinceChina NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor Gansu Provincial HospitalLanzhou 730000Gansu ProvinceChina

BACKGROUND A growing number of clinical examples suggest that coronavirus disease 2019(COVID-19)appears to have an impact on the treatment of patients with liver cancer compared to the normal population,and the prevalence of COVID-19 is significantly higher in patients with liver ***,this mechanism of action has not been *** sets for COVID-19(GSE180226)and liver cancer(GSE87630)were obtained from the Gene Expression Omnibus *** identifying the common differentially expressed genes(DEGs)of COVID-19 and liver cancer,functional enrichment analysis,protein-protein interaction network construction and scree-ning and analysis of hub genes were ***,the validation of the differential expression of hub genes in the disease was performed and the regulatory network of transcription factors and hub genes was *** Of 518 common DEGs were obtained by screening for functional *** hub genes including aurora kinase B,cyclin B2,cell division cycle 20,cell division cycle associated 8,nucleolar and spindle associated protein 1,etc.,were further identified from DEGs using the“cytoHubba”*** enrichment analysis of hub genes showed that these hub genes are associated with P53 signalling pathway regulation,cell cycle and other functions,and they may serve as potential molecular markers for COVID-19 and liver ***,we selected 10 of the hub genes for in vitro expression validation in liver cancer *** Our study reveals a common pathogenesis of liver cancer and *** common pathways and key genes may provide new ideas for further mechanistic studies.

关键词： COVID-19 Liver cancer Differentially expressed genes Hub genes Pathogenesis

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