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Metabolic memory:mechanisms and diseases

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Signal Transduction and Targeted Therapy 2024年第3期9卷 1086-1114页

作者： Hao Dong Yuezhang Sun Lulingxiao Nie Aimin Cui Pengfei Zhao Wai Keung Leung Qi Wang State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases West China Hospital of StomatologySichuan UniversityChengduChina department of Prosthodontics West China Hospital of StomatologySichuan UniversityChengduChina periodontology and Implant dentistry Division Faculty of DentistryThe University of Hong KongHong KongChina

Metabolic diseases and their complications impose health and economic burdens *** from past experimental studies and clinical trials suggests our body may have the ability to remember the past metabolic environment,such as hyperglycemia or hyperlipidemia,thus leading to chronic inflammatory disorders and other diseases even after the elimination of these metabolic *** long-term effects of that aberrant metabolism on the body have been summarized as metabolic memory and are found to assume a crucial role in states of health and *** molecular mechanisms collectively participate in metabolic memory management,resulting in different cellular alterations as well as tissue and organ dysfunctions,culminating in disease progression and even affecting *** elucidation and expansion of the concept of metabolic memory provides more comprehensive insight into pathogenic mechanisms underlying metabolic diseases and complications and promises to be a new target in disease detection and ***,we retrace the history of relevant research on metabolic memory and summarize its salient *** provide a detailed discussion of the mechanisms by which metabolic memory may be involved in disease development at molecular,cellular,and organ levels,with emphasis on the impact of epigenetic ***,we present some of the pivotal findings arguing in favor of targeting metabolic memory to develop therapeutic strategies for metabolic diseases and provide the latest reflections on the consequences of metabolic memory as well as their implications for human health and diseases.

关键词： diseases metabolism alterations

Dental-derived stem cells in tissue engineering:the role of biomaterials and host response

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Regenerative Biomaterials 2024年第1期3卷 17-26页

作者： Weihao Yuan Luiza de Almeida Queiroz Ferreira Bo Yu Sahar Ansari Alireza Moshaverinia Weintraub Center for Reconstructive Biotechnology Section of ProsthodonticsSchool of DentistryUniversity of CaliforniaLos AngelesLos AngelesCA 90095USA department of Restorative dentistry School of DentistryUniversidade Federal de Minas GeraisBelo HorizonteMinas GeraisBrazil Section of Restorative dentistry School of DentistryUniversity of CaliforniaLos AngelesLos AngelesCA 90095USA department of Bioengineering Henry Samueli School of Engineering and Applied SciencesUniversity of CaliforniaLos AngelesLos AngelesCA 90095USA

Dental-derived stem cells(DSCs)are attractive cell sources due to their easy access,superior growth capacity and low *** can respond to multiple extracellular matrix signals,which provide biophysical and biochemical cues to regulate the fate of residing ***,the direct transplantation of DSCs suffers from poor proliferation and differentiation toward functional cells and low survival rates due to local ***,elegant advances in the design of novel biomaterials have been made to give promise to the use of biomimetic biomaterials to regulate various cell behaviors,including proliferation,differentiation and *** could be tailored with multiple functionalities,e.g.,*** is an emerging need to summarize recent advances in engineered biomaterials-mediated delivery and therapy of DSCs and their potential ***,we outlined the design of biomaterials for supporting DSCs and the host response to the transplantation.

关键词： dental-derived stem cells biomaterials host response tissue engineering

A multi-platform analysis of human gingival crevicular fluid reveals ferroptosis as a relevant regulated cell death mechanism during the clinical progression of periodontitis

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International Journal of Oral Science 2024年第2期16卷 265-279页

作者： Alfredo Torres M.Angélica Michea Ákos Végvári Marion Arce Valentina Pérez Marcela Alcota Alicia Morales Rolando Vernal Mauricio Budini Roman A.Zubarev Fermín E.González Laboratory of Experimental Immunology&Cancer Faculty of DentistryUniversity of ChileSantiagoChile department of Conservative dentistry Faculty of DentistryUniversity of ChileSantiagoChile Division of Chemistry I Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSweden Periodontal Biology Laboratory Faculty of DentistryUniversidad de ChileSantiagoChile Laboratory of Cellular and Molecular Pathology Institute for Research in Dental SciencesFaculty of DentistryUniversity of ChileSantiagoChile

Ferroptosis is implicated in the pathogenesis of numerous chronic-inflammatory diseases,yet its association with progressive periodontitis remains *** investigate the involvement and significance of ferroptosis in periodontitis progression,we assessed sixteen periodontitis-diagnosed *** progression was clinically monitored over twelve weeks via weekly clinical evaluations and gingival crevicular fluid(GCF)collection was performed for further *** metrics,proteomic data,in silico methods,and bioinformatics tools were combined to identify protein profiles linked to periodontitis progression and to explore their potential connection with *** western blot analyses validated key ***,a single-cell RNA sequencing(scRNA-seq)dataset(GSE164241)for gingival tissues was analyzed to elucidate cellular dynamics during periodontitis *** progression was identified as occurring at a faster rate than traditionally *** samples from progressing and non-progressing periodontal sites showed quantitative and qualitatively distinct proteomic *** addition,specific biological processes and molecular functions during progressive periodontitis were revealed and a set of hub proteins,including SNCA,CA1,HBB,SLC4A1,and ANK1 was strongly associated with the clinical progression status of ***,we found specific proteins-drivers or suppressors-associated with ferroptosis(SNCA,FTH1,HSPB1,CD44,and GCLC),revealing the co-occurrence of this specific type of regulated cell death during the clinical progression of ***,the integration of quantitative proteomic data with scRNA-seq analysis suggested the susceptibility of fibroblasts to *** analyses reveal proteins and processes linked to ferroptosis for the first time in periodontal patients,which offer new insights into the molecular mechanisms of progressive periodontal *** findings may le

关键词： finding progression faster

Autologous hematopoietic stem cell transplantation conditioning regimens and chimeric antigen receptor T cell therapy in various diseases

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World Journal of Transplantation 2024年第1期14卷 32-41页

作者： Shahzaib Maqbool Maryam Farhan Baloch Muhammad Abdul Khaliq Khan Azeem Khalid Kiran Naimat department of Medicine Holy Family HospitalRawalpindi 46000Pakistan department of community Medicine Allama Iqbal Medical CollegeLahore 45000Pakistan department of community dentistry Baqai Medical UniversityKarachi 43000Pakistan department of Medicine Allama lqbal Medical CollegeLahore 45000Pakistan department of MedicineLiaquat University of Medical and Health Sciences Karachi 43000Pakistan

Conditioning regimens employed in autologous stem cell transplantation have been proven useful in various hematological disorders and underlying malignancies;however,despite being efficacious in various instances,negative consequences have also been *** conditioning regimens were extracted from various literature searches from databases like PubMed,Google scholar,EMBASE,and *** regimens for each disease were compared by using various end points such as overall survival(OS),progression free survival(PFS),and leukemia free survival(LFS).Variables were presented on graphs and analyzed to conclude a more efficacious conditioning *** multiple myeloma,the most effective regimen was high dose melphalan(MEL)given at a dose of 200/mg/*** comparative results of acute myeloid leukemia were presented and the regimens that proved to be at an admirable position were busulfan(BU)+MEL regarding OS and BU+VP16 regarding *** case of acute lymphoblastic leukemia(ALL),BU,fludarabine,and etoposide(BuFluVP)conferred good disease control not only with a paramount improvement in survival rate but also low risk of ***,for ALL,chimeric antigen receptor(CAR)T cell therapy was preferred in the context of better OS and *** respect to Hodgkin’s lymphoma,mitoxantrone(MITO)/MEL overtook carmustine,VP16,cytarabine,and MEL in view of PFS and vice versa regarding ***-Hodgkin’s lymphoma patients were administered MITO(60 mg/m2)and MEL(180 mg/m2)which showed promising ***,amyloidosis was considered,and the regimen that proved to be competent was MEL 200(200 mg/m2).This review article demonstrates a comparison between various conditioning regimens employed in different diseases.

关键词： Conditioning regimens Multiple myeloma Lymphoma Hodgkin Non-Hodgkin Acute leukemia

Glycerol solutions of highly concentrated biomineral counter-ions towards water-responsive mineralization: Demonstration on bacterial cellulose and its application in hard tissue repair

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Nano Research 2024年第3期17卷 2154-2163页

作者： Yunfei Zhao Xiaohao Liu Zhi Zhou Chaobo Feng Nan Luo Jiajun Yan Shuo Tan Yang Lu Feng Chen Bing-Qiang Lu Shisheng He department of Orthopedic Spinal Pain Research InstituteShanghai Tenth People’s HospitalSchool of MedicineTongji UniversityShanghai 200072China department of preventive dentistry Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineCollege of StomatologyShanghai Jiao Tong UniversityNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghai Research Institute of StomatologyShanghai 200011China

Mineralization has found widespread use in the fabrication of composite biomaterials for hard tissue *** current mineralization processes are mainly carried out in neutral aqueous solutions of biomineral counter-ions(a pair of cation and anion that form the corresponding minerals at certain conditions),which are stable only at very low *** typically results in inefficient mineralization and weak control over biomineral ***,we find that,in the organic solvent glycerol,a variety of biomineral counter-ions(e.g.,Ca/PO_(4),Ca/CO_(3),Ca/SO_(4),Mg/PO_(4),or Fe/OH)corresponding to distinct biominerals at significantly high concentrations(up to hundreds-fold greater than those of simulated body fluid(SBF))are able to form translucent and stable solutions(mineralizing solution of highly concentrated counter-ions(MSCIs)),and mineralization can be triggered upon them with external solvents(e.g.,water or ethanol).Furthermore,with pristine bacterial cellulose(BC)membrane as a model,we demonstrate an effective and controllable mineralization performance of MSCIs on organic *** approach not only forms the homogeneous biominerals on the BC fibers and in the interspaces,but also provides regulations over mineralization rate,mineral content,phase,and *** resulting mineralized BC membranes(MBCs)exhibit high cytocompatibility and favor the proliferation of rat bone marrow mesenchymal stem cells(rBMSC).Following this,we prepare a mineralized bone suture(MBS)from MBC for non-weight bearing bone fixation,which then is tested on a rabbit median sternotomy *** shows firm fixation of the rabbit sternum without causing discernible toxicity or inflammatory *** study,by extending the mineralization to the organic solution system of highly concentrated counter-ions,develops a promising strategy to design and build targeted mineral-based composites.

关键词： biomineralization organic solvent bacterial cellulose(BC) hard tissue repair

Drug-induced mucosal alterations observed during esophagogastroduodenoscopy

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World Journal of Gastroenterology 2024年第16期30卷 2220-2232页

作者： Masaya Iwamuro Seiji Kawano Motoyuki Otsuka department of Gastroenterology and Hepatology Okayama University Graduate School of MedicineDentistryand Pharmaceutical SciencesOkayama 700-8558Japan

Several features of drug-induced mucosal alterations have been observed in the upper gastrointestinal tract,i.e.,the esophagus,stomach,and *** include pill-induced esophagitis,desquamative esophagitis,worsening of gastroesophageal reflux,chemotherapy-induced esophagitis,proton pump inhibitor-induced gastric mucosal changes,medication-induced gastric erosions and ulcers,pseudomelanosis of the stomach,olmesartan-related gastric mucosal inflammation,lanthanum deposition in the stomach,zinc acetate hydrate tabletinduced gastric ulcer,immune-related adverse event gastritis,olmesartan-associated sprue-like enteropathy,pseudomelanosis of the duodenum,and lanthanum deposition in the *** endoscopists,acquiring accurate knowledge regarding these diverse drug-induced mucosal alterations is crucial not only for the correct diagnosis of these lesions but also for differential diag-nosis of other *** minireview aims to provide essential information on druginduced mucosal alterations observed on esophagogastroduodenoscopy,along with representative endoscopic images.

关键词： Diagnosis Esophagogastroduodenoscopy Non-neoplastic lesions Esophageal lesions Gastric lesions Duodenal lesions

Knowledge and the Attitude on the Use of Mouthwash among Two Selected Senior High Schools in Kumasi

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Open Journal of Stomatology 2024年第5期14卷 218-234页

作者： Ama Agyeibea Amuasi Kwame A. Koranteng Joseph Abu-Sakyi The department Child Oral Health & Orthodontics School of Medicine and Dentistry College of Health Sciences Kwame Nkrumah University of Science and Technology Kumasi Ghana The department of community dentistry School of Medicine and Dentistry College of Health Sciences Kwame Nkrumah University of Science and Technology Kumasi Ghana

BACKGROUND: The route of most systemic diseases begins in the oral cavity. Oral health knowledge of mouthwashes and their uses is indispensable for the general population and especially adolescents. The use of mouthwash by adolescents can be a beneficial adjunct to their oral hygiene routine, providing additional protection against dental diseases and promoting fresher breath. Overuse or misuse of mouthwash, particularly those containing alcohol or other potentially irritating ingredients, may lead to adverse effects such as oral mucosal irritation, dry mouth, or alteration of the oral microbiome. OBJECTIVES: To determine the knowledge, attitude, and use of mouthwash among senior high school students in Kumasi. METHODOLOGY: 120 students responded to a standard questionnaire by a convenient sample technique. The Statistical Package for Social Sciences (SPSS) 22.0 and MS Excel were used for data management and analysis. The results of the study were presented using tables, bar charts, and pie chart. RESULTS: The ages of the respondents ranged from 14 to 20 years. Out of the 120 participants, 71 students that represent 59.2% of the total, used mouthwash. Majority of the participants (63%) utilized a mouthwash after brushing their teeth. 49% of the participants reported using mouthwash to address halitosis, 37% used it to combat periodontal disease, and 10% used it for relief from a sore throat. CONCLUSION: In general, most of the participants who use mouthwash had excellent knowledge and a positive attitude toward the use of mouthwash.

关键词： Oral Cavity Mouthwash Plaque Biofilm Gingivitis Convenient Sampling

Perceived stress among staff in Saudi Arabian dental colleges before and after an accreditation process: A cross-sectional study

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World Journal of Clinical Cases 2024年第4期12卷 758-765页

作者： Amal S Shaiban department of Restorative Dental Science College of DentistryKing Khalid UniversityAbha 61471Saudi Arabia

BACKGROUND Accreditation processes are extensively employed to guarantee the quality of higher education ***,this process can potentially generate a stressful atmosphere for staff,thus impacting their ability to perform optimally under *** To examine the knowledge of the National Commission for Academic Assessment and Accreditation(NCAAA)and its effects on perceived stress among dental college staff before and after the program accreditation *** The present cross-sectional questionnaire-based study included 300 employees from three dental *** same employees had to fill out the questionnaire 1 mo after the NCAAA *** Approximately 51.33%of the included employees believed that NCAAA is essential to attract quality students to join the program before and after the program.A total of 44.67%felt that their stress was high before,and 31.33%had low stress levels before and after *** findings were statistically significant(P≤0.05).CONCLUSION NCAAA raised the prestige of the institution and specific programmes and increased prospects to attract better students,staff,and money,according to the *** addition to their needed teaching,research,and other service responsibilities,this work requires a tremendous amount of faculty effort and may cause them stress.

关键词： National Commission for Academic Assessment and Accreditation Accreditation process Perceived stress Staff

YWHAZ gene contributes to the radioresistance of oral squamous cell carcinoma cells

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Radiation Medicine and Protection 2024年第1期5卷 30-36页

作者： Songling Hu Cong Chen Hengheng Chen Xin Yu Xiaofei Li Yang Bai Chunlin Shao department of preventive dentistry Shanghai Stomatological Hospital&School of StomatologyShanghai Medical CollegeFudan UniversityShanghai 200001China Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases Shanghai Medical CollegeFudan UniversityShanghai 200001China Institute of Radiation Medicine Shanghai Medical CollegeFudan UniversityShanghai 200032China

Objective:To investigate the contribution of YWHAZ gene on the radioresistance and metastasis ability of oral squamous cell carcinoma(OSCC)***:The relationship between the expression level of YWHAZ gene and the survival of head and neck squamous cell carcinoma(HNSC)patients was analyzed using Gene Expression Profiling Interactive Analysis(GEPIA)database.A radioresistance cell line(CAL-27R)was constructed by irradiating CAL-27 cells with frac-tional *** survival was measured by colony formation *** migration and invasion were detected by transwell *** formation of yH2AX foci was detected by immunofluorescence assay,The protein expressions were detected by Westemn blot *** some experiments,CAL-27R cells were effectively transferred with siRNA YWHAZ(siYWHAZ).Results:GEPIA database showed that the expression level of YWHAZ in HNSC tumors was higher than that in adjacent normal tissues,and the HNSC patients with higher level of YWHAZ had a shorter *** vitro experiments demonstrated that the expression of YWHAZ protein in CAL-27 cells was lower than HSC-3 cells(t=18.89,P<0.01)and radioresistant CAL-27R cells(t=25.70,P<0.01).Knockdown of YWHAZ gene significantly increased radiation-induced cell killing effect,apoptosis induction,and yH2AX foci formation inCAL-27R and HSC-3 ***,siRNA YWHAZ transfection also reduced the invasion and migration abilities of the irradiated CAL 27R[t=21.09,P<0.01(migration);t=6.16,P<0.05(invasion)]and HSC-3 cells[t=34.53,P<0.001(migration);t=4.92,P<0.05(invasion)]and attenuated radiation-induced expressions of metastasis-related proteins,Conclusion:YWHAZ contributes to the radioresistance of oral squamous cells and thus it may applicable to be a potential target for OSOC radiotherapy.

关键词： Oral squamous cells Radiation sensitivity YWHAZ gene Cell migration