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The Dental Absces: Epidemiological, Clinical and Therapeutic Aspects at the Dental Office of the Prefectoral Hospital of Siguiri in 2021 in the Republic of Guinea

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Open Journal of Stomatology 2024年第9期14卷 382-391页

作者： Magna Condé Aly Badara Nabé Fanta Madi Traoré Moussa Doré Djibrila Camara Kaïn Condé Mory Sacko Francine Manto Kuete Kouamé Patrice Attogbain African Center of Excellence for the Prevention and Control of Communicable Diseases (CEA-PCMT) Faculty of Health Sciences and Techniques of the Gamal Abdel Nasser University of Conakry Conakry Guinea Department of Odontology Faculty of Health Sciences and Techniques Gamal Abdel Nasser University of Conakry Conakry Guinea Department of Odontology and Maxillofacial Surgery of the Ignace Deen National Hospital Conakry Guinea Department of Pathology and therapeutics UFR Odonto-Stomatology Felix Houphouet Boigny University Abidjan Ivory Coast

Introduction: A dental abscess is a collection of pus located in the tissues surrounding the tooth roots. The aim of this work is to describe the epidemiological, clinical and therapeutic aspects of dental abscess in order to contribute to the management of patients suffering from this pathology at the dental office of the Siguiri Prefectural Hospital. Methods: This was a retrospective descriptive study lasting 2 months carried out on the registers of patients received between October 2017 and October 2020 at the dental office of the Siguiri prefectural hospital. Results: 4690 patient files were identified during the study, of which 546 met our selection criteria, i.e. a frequency of 11.64%. During our study, we found 51.83% female compared to 48.17% male, i.e. a sex ratio of 1.07. 54.21% of our patients resided in rural communes compared to 45.76% for the urban commune. The age group most affected was that of 16 - 25 years old or 33.69%. Swelling, pain and functional discomfort were the reasons for consultation in all patients followed by other associated reasons in 41.21%. The premolar-molar group was the most represented, i.e. 86.70%. 80.04% of our patients presented an acute abscess compared to 19.96% of chronic cases. Antibiotic, analgesic, and mouthwash were prescribed in all patients during the study followed by 96.37% of cases prescription of steroidal anti-inflammatory drugs. 93.04% of causal teeth were extracted followed by 6.78% of cases of conservative treatment in our study. In our study, 80.95% of our patients had a good post-therapeutic outcome. Conclusion: This study highlights the need for prevention and early management of dental abscesses.

关键词： Dental Abscess Epidemiological Clinical Therapeutic

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Quantitative and qualitative subgenomic RNA profiles of SARS-CoV-2 in respiratory samples: A comparison between Omicron BA.2 and non-VOC-D614G

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Virologica Sinica 2024年第2期39卷 218-227页

作者： Zigui Chen Rita Way Yin Ng Grace Lui Lowell Ling Agnes S.Y.Leung Chit Chow Siaw Shi Boon Wendy C.S.Ho Maggie Haitian Wang Renee Wan Yi Chan Albert Martin Li David Shu Cheong Hui Paul Kay Sheung Chan Department of Microbiology Faculty of MedicineThe Chinese University of Hong KongHong KongChina Department of Medicine and therapeutics Faculty of MedicineThe Chinese University of Hong KongHong KongChina Department of Anaesthesia and Intensive Care Faculty of MedicineThe Chinese University of Hong KongHong KongChina Department of Paediatrics Faculty of MedicineThe Chinese University of Hong KongHong KongChina Department of Anatomical and Cellular Pathology Faculty of MedicineThe Chinese University of Hong KongHong KongChina Jockey Club School of Public health and Primary Care Faculty of MedicineThe Chinese University of Hong KongHong KongChina Stanley Ho Centre for Emerging Infectious Diseases Faculty of MedicineThe Chinese University of Hong KongHong KongChina

The SARS-CoV-2 Omicron variants are notorious for their transmissibility,but little is known about their subgenomic RNA(sgRNA)*** study applied RNA-seq to delineate the quantitative and qualitative profiles of canonical sgRNA of 118 respiratory samples collected from patients infected with Omicron BA.2 and compared with 338 patients infected with non-variant of concern(non-VOC)-D614G.A unique characteristic profile depicted by the relative abundance of 9 canonical sgRNAs was reproduced by both BA.2 and non-VOCD614G regardless of host gender,age and presence of ***,such profile was lost in samples with low viral load,suggesting a potential application of sgRNA pattern to indicate viral activity of individual patient at a specific time point.A characteristic qualitative profile of canonical sgRNAs was also reproduced by both BA.2 and *** presence of a full set of canonical sgRNAs carried a coherent correlation with crude viral load(AUC¼0.91,95%CI 0.88–0.94),and sgRNA ORF7b was identified to be the best surrogate marker allowing feasible routine application in characterizing the infection status of individual *** potentials in using sgRNA as a target for vaccine and antiviral development are worth pursuing.

关键词： Coronavirus SARS-CoV-2 Omicron BA.2 Non-VOC-D614G RNA-seq Subgenomic RNA(sgRNA)

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Latest updates on structure and recommendations of cardiac rehabilitation programs in chronic heart failure

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World Journal of Clinical Cases 2024年第8期12卷 1382-1387页

作者： Christos Kourek Alexandros Briasoulis Dimitrios E Magouliotis John Skoularigis Andrew Xanthopoulos Medical School of Athens National and Kapodistrian University of AthensAthens 15772Greece Department of Clinical therapeutics Alexandra HospitalFaculty of MedicineNational and Kapodistrian University of AthensAthens 11528Greece Department of Surgery University Hospital of LarissaLarissa 41110Greece of Cardiology University Hospital of LarissaLarissa 41110Greece

Chronic heart failure(HF)is a clinical syndrome with high morbidity and mor-tality *** rehabilitation(CR)is a medically supervised program designed to maintain or improve cardiovascular health of people living with HF,recommended by both American and European guidelines.A CR program con-sists of a multispecialty group including physicians,nurses,physiotherapists,trainers,nutritionists,and psychologists with the common purpose of improving functional capacity and quality of life of chronic HF *** activity,lifestyle,and psychological support are core components of a successful CR *** has been shown to be beneficial in all ejection fraction categories in HF and most patients,who are stable under medication,are capable of *** individualized exercise prescription should be developed on the basis of a baseline evaluation in all *** main modalities of exercise training are aerobic exercise and muscle strength training of different intensity and *** is important to set the appropriate clinical outcomes from the beginning,in order to assess the effectiveness of a CR *** are still significant limitations that prevent patients from participating in these programs and need to be solved.A significant limitation is the generally low quality of research in CR and the presence of negative trials,such as the rehabilitation after myocardial infarction trial,where comprehensive rehabilitation following myocardial infraction had no important effect on mortality,morbidity,risk factors,or health-related quality of life or *** the present editorial,we present all the updated knowledge and recommendations in CR programs.

关键词： Cardiac rehabilitation Heart failure Outcomes Exercise protocols Prescription Future perspectives Limitations

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AAV-mediated gene therapies by miniature gene editing tools

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Science China Life Sciences 2024年

作者： Xiangfeng Kong Tong Li Hui Yang Shanghai Institute of Materia Medica Chinese Academy of Sciences Institute of Neuroscience Center for Excellence in Brain Science and Intelligence Technology Chinese Academy of Sciences HuidaGene therapeutics Co. Ltd. Shanghai Center for Brain Science and Brain-Inspired Technology

The advent of CRISPR-Cas has revolutionized precise gene editing. While pioneering CRISPR nucleases like Cas9 and Cas12 generate targeted DNA double-strand breaks(DSB) for knockout or homology-directed repair, next generation CRISPR technologies enable gene editing without DNA DSB. Base editors directly convert bases, prime editors make diverse alterations, and dead Cas-regulator fusions allow nuanced control of gene expression, avoiding potentially risks like translocations. Meanwhile, the discovery of diminutive Cas12 orthologs and Obligate Mobile Element-Guided Activity(OMEGA) nucleases has overcome cargo limitations of adeno-associated viral vectors, expanding prospects for in vivo therapeutic delivery. Here, we review the ever-evolving landscape of cutting-edge gene editing tools, focusing on miniature Cas12 orthologs and OMEGA effectors amenable to single AAV packaging. We also summarize CRISPR therapies delivered using AAV vectors, discuss challenges such as efficiency and specificity, and look to the future of this transformative field of in vivo gene editing enabled by AAV vectors delivery.

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羧基酯脂肪酶通过与脂肪酸合成酶结合预防代谢功能障碍相关性脂肪性肝炎（英文）

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Engineering 2024年第10期 204-215页

作者：宋阳钟巍刘焯晞张雅婷官华宇谢茗旭夏芷君首第文周永健许鸿志于君张翔 Department of Medicine and therapeutics Institute of Digestive Disease State Key Laboratory of Digestive Disease Li Ka Shing Institute of Health Sciences The Chinese University of Hong Kong Shenzhen Research Institute The Chinese Unviersity of Hong Kong Department of Gastroenterology & Institute for Microbial Ecology & Xiamen Key Laboratory of Intestinal Microbiome and human health & Clinical Research Center for Gut Microbiota and Digestive Diseases of Fujian Province Zhongshan Hospital of Xiamen University School of Medicine Xiamen University Division of Gastroenterology and Hepatology Renji Hospital School of Medicine Shanghai Jiaotong University Department of Gastroenterology and Hepatology Guangzhou Digestive Disease Center Guangzhou First People's Hospital

Carboxyl ester lipase(CEL), a pivotal enzyme involved in lipid metabolism, is recurrently mutated in obese mice. Here, we aimed to elucidate the functional significance, molecular mechanism, and therapeutic potential of CEL in metabolic dysfunction-associated steatohepatitis(MASH). Hepatocyte-specific carboxyl ester lipase gene(Cel) knockout(CelΔHEP) and wildtype(WT) littermates were fed with cholinedeficient high-fat diet(CD-HFD) for 16 weeks, or methionine-and choline-deficient diet(MCD) for three weeks to induce MASH. Liquid chromatography–mass spectrometry and co-immunoprecipitation were employed to identify the downstream targets of CEL. CD-HFD/MCD-fed WT mice received intravenous injections of CEL-adeno-associated viral, serotype 8(AAV8) to induce specific overexpression of CEL in the liver. We observed a decrease in CEL protein levels in MASH induced by CD-HFD or MCD in mice. CelΔHEPmice fed with CD-HFD or MCD exhibited pronounced hepatic steatosis, inflammation, lipid peroxidation, and liver injury compared to WT littermates, accompanied by increased hepatic nuclear factor kappa-light-chain-enhancer of activated B cell(NF-κB) activation. Consistently, Cel knockdown in mouse primary hepatocytes and AML12 cells aggravated lipid accumulation and inflammation,whereas CEL overexpression exerted the opposite effect. Mechanistically, CEL directly bound to fatty acid synthase(FASN), resulting in reduced FASN SUMOylation, which in turn promoted FASN degradation through the proteasome pathway. Furthermore, inhibition of FASN ameliorated hepatocyte lipid accumulation and inflammation induced by Cel knockdown in vivo and in vitro. Hepatocyte-specific CEL overexpression using AAV8-Cel significantly mitigated steatohepatitis in mice fed with CD-HFD or MCD. CEL protects against steatohepatitis development by directly interacting with FASN and suppressing its expression for de novo lipogenesis. CEL overexpression confers a therapeutic benefit in steatohepatitis.

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Twenty years of Gendicine?rAd-p53 cancer gene therapy:The first-in-class human cancer gene therapy in the era of personalized oncology

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Genes & Diseases 2024年第4期11卷 234-245页

作者： Li Qi Guiqing Li Peipei Li Hongwei Wang Xiaolong Fang Tongchuan He Jingjing Li Affiliated Hospital of Weifang Medical University School of Clinical MedicineWeifang Medical UniversityWeifangShandong 262700China Jinming Yu Academician Workstation of Oncology Affiliated Hospital of Weifang Medical UniversityWeifangShandong 262700China Decording therapeutics Corp Shangha 200000China Yangkun Biogroup Co. LtdNanjingJiangsu 210002China The University of Chicago ChicagoIL 60290USA

Genetic mutations in TP53 contribute to human malignancies through various *** date,there have been a variety of therapeutic strategies targeting p53,including gene therapy to restore normal p53 function,mutant p53 rescue,inhibiting the MDM2-p53 interaction,p53-based vaccines,and a number of other *** review focuses on the functions of TP53 and discusses the aberrant roles of mutant p53 in various types of *** human p53 adenovirus,trademarked as Gendicine,which is the first anti-tumor gene therapy drug,has made tremendous progress in cancer gene *** herein discuss the biological mechanisms by which Gendicine exerts its effects and describe the clinical re-sponses reported in clinical ***,the clinical studies suggest that the combination of Gendicine with chemotherapy and/or radiotherapy may produce more pronounced efficacy in slowing tumor growth and progression than gene therapy/chemotherapy ***,we summarize the methods of administration of recombinant human p53 adenovirus for different cancer types to provide a reference for future clinical trials.

关键词： Gendicine Gene therapy p53 mutation Recombinant p53 adenovirus TP53

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Prosaposin hyperglycosylation: a novel tumor immune escape mechanism and implications for cancer immunotherapy

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3150-3152页

作者： Matthias Peipp Diana Dudziak Christian Kellner Division of Antibody-Based Immunotherapy Department of Medicine IChristian-Albrechts University and University Hospital Schleswig-HolsteinKielGermany institute of Immunology Jena University HospitalFriedrich-Schiller-UniversityJenaGermany Comprehensive Cancer Center Central Germany Jena/Leipzig JenaGermany Division of Transfusion Medicine Cell Therapeutics and HaemostaseologyLMU University HospitalLMU MunichMunichGermany

In a recent article published in Science,Sharma et *** the essential role of saposins in cross-presentation of tumor membraneassociated antigens by dendritic cells(DC)to CD8^(+)T cells.1 However,antigen cross-presentation,which is fundamental in cancer cell elimination,is hindered in tumor DC by hyperglycosylation of the common saposin precursor prosaposin(pSAP)leading to impaired T cell tumor immunity-yet,the potential of recombinant pSAP to re-establish T cell responses may offer a novel way to counteract immune evasion in a therapeutic approach.

关键词： impaired immunity al.

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Amyloid-beta pathology-induced nanoscale synaptic disruption:the case of the GABA_B-GIRK assembly

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Neural Regeneration Research 2025年第5期20卷 1409-1410页

作者： Rafael Lujan Alejandro Martín-Belmonte Sergi Ferré Francisco Ciruela Synaptic Structure Laboratory Instituto de Biomedicina de la UCLM(IB-UCLM)Departamento de Ciencias MédicasInstituto de Investigación en Salud de Castilla-La Mancha(IDISCAM)Facultad de MedicinaUniversidad Castilla-La ManchaCampus BiosanitarioC/AlmansaAlbaceteSpain Integrative Neurobiology Section National Institute on Drug AbuseIntramural Research ProgramNational Institutes of HealthBaltimoreMDUSA Pharmacology Unit Department of Pathology and Experimental TherapeuticsSchool of Medicine and Health SciencesInstitute of NeurosciencesUniversity of BarcelonaNeuropharmacology&Pain GroupNeuroscience ProgramBellvitge Institute for Biomedical ResearchL’Hospitalet de LlobregatSpain

Alzheimer's disease (AD) is characterized by an imbalance between excitatory and inhibitory brain networks,leading to aberrant homeostatic synaptic *** has progressively been recognized as syna ptopathy and syna ptic dysfunction has been identified as a key component of its pathogenesis (Schirinzi et al.,2020).Syna ptic dysfunction is believed to precede synapse loss,a primary biological correlate of cognitive decline in AD,inevita bly associated with neuronal death.

关键词： Alzheimer pathology

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The Effect of Retinoic Acid on Neutrophil Innate Immune Interactions With Cutaneous Bacterial Pathogens

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Infectious Microbes & Diseases 2024年第2期6卷 65-73页

作者： Alexandra Stream Ross Corriden Simon Döhrmann Richard L.Gallo Victor Nizet Ericka L.Anderson Division of Host-Microbe Systems and therapeutics Department of PediatricsUniversity of California San Diego School of MedicineLa JollaCaliforniaUSA Department of Dermatology University of California San Diego School of MedicineLa JollaCaliforniaUSA Skaggs School of Pharmacy and Pharmaceutical Sciences University of California San DiegoLa JollaCaliforniaUSA

Vitamin A and its biologically active derivative,retinoic acid(RA),are important for many immune ***,in particular,is essential for the development of immune cells,including neutrophils,which serve as a front-line defense against *** vitamin A deficiency has been linked to higher susceptibility to infections,the precise role of vitamin A/RA in host-pathogen interactions remains poorly ***,we provided evidence that RA boosts neutrophil killing of methicillin-resistant Staphylococcus aureus(MRSA).RA treatment stimulated primary human neutrophils to produce reactive oxygen species,neutrophil extracellular traps and the antimicrobial peptide cathelicidin(LL-37).Because RA treatment was insufficient to reduce MRSA burden in an in vivo murine model of skin infection,we expanded our analysis to other infectious *** did not affect the growth of a number of common bacterial pathogens,including MRSA,Escherichia coli K1 and Pseudomonas aeruginosa;however,RA directly inhibited the growth of group A Streptococcus(GAS).This antimicrobial effect,likely in combination with RA-mediated neutrophil boosting,resulted in substantial GAS killing in neutrophil killing assays conducted in the presence of ***,in a murine model of GAS skin infection,topical RA treatment showed therapeutic potential by reducing both skin lesion size and bacterial *** findings suggest that RA may hold promise as a therapeutic agent against GAS and perhaps other clinically significant human pathogens.

关键词： retinoic acid neutrophil bacterial infection Staphylococcus aureus group A Streptococcus neutrophil extracellular traps antimicrobial peptide cathelicidin

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Engineering hyaluronic acid-based nanoassemblies for monoclonal antibody delivery-design,characterization,and biological insights

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Nano Research 2024年第10期17卷 9111-9125页

作者： Ana M.López-Estévez Y.Zhang María Medel Iker Arriaga Lucía Sanjurjo Cristian Huck-Iriart Nicola G.A.Abrescia María J.Vicent Defang Ouyang Dolores Torres María José Alonso Center for Research in Molecular Medicine and Chronic Diseases(CiMUS) University of Santiago de CompostelaSantiago de Compostela 15782Spain Department of Pharmacology Pharmacy and Pharmaceutical TechnologySchool of PharmacyUniversity of Santiago de CompostelaSantiago de Compostela 15782Spain health Research Institute of Santiago de Compostela(IDIS) Santiago de Compostela 15782Spain State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences(ICMS)University of MacaoMacao 999078China Polymer therapeutics Laboratory and CIBERONC Prince Felipe Research Centre Valencia E-46012Spain Structure and Cell Biology of Viruses Lab CIC bioGUNEBasque Research and Technology Alliance(BRTA)Derio 48160Spain ALBA Synchrotron Light Source Experiments DivisionCerdanyola del VallèsBarcelona 08290Spain IKERBASQUE Basque Foundation for ScienceBilbao 48009Spain

The current spotlight of cancer therapeutics is shifting towards personalized medicine with the widespread use of monoclonal antibodies(mAbs).Despite their increasing potential,mAbs have an intrinsic limitation related to their inability to cross cell membranes and reach intracellular *** offers promising solutions to overcome this limitation,however,formulation challenges *** challenges are the limited loading capacity(often insufficient to achieve clinical dosing),the complex formulation methods,and the insufficient characterization of mAb-loaded ***,we present a new nanocarrier consisting of hyaluronic acid-based nanoassemblies(HANAs)specifically designed to entrap mAbs with a high efficiency and an outstanding loading capacity(50%,w/w).HANAs composed by an mAb,modified HA and phosphatidylcholine(PC)resulted in sizes of~100 nm and neutral surface *** modeling identified the principal factors governing the high affinity of mAbs with the amphiphilic HA and *** composition and structural configuration were analyzed using the orthogonal techniques cryogenic transmission electron microscopy(cryo-TEM),asymmetrical flow field-flow fractionation(AF4),and small-angle X-ray scattering(SAXS).These techniques provided evidence of the formation of core-shell nanostructures comprising an aqueous core surrounded by a bilayer consisting of phospholipids and amphiphilic *** vitro experiments in cancer cell lines and macrophages confirmed HANAs’low toxicity and ability to transport mAbs to the intracellular *** reproducibility of this assembling process at industrial-scale batch sizes and the long-term stability was *** conclusion,these results underscore the suitability of HANAs technology to load and deliver biologicals,which holds promise for future clinical translation.

关键词： monoclonal antibody nanoparticles hyaluronic acid characterization particle size computational modeling

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