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periodontitis:An often-neglected complication of diabetes

World Journal of Diabetes 2024年第3期15卷 318-325页

作者： Marina G Kudiyirickal Joseph M Pappachan Primary Care Dental Practice The Smile ClinicPreston PR16PZUnited Kingdom Department of Endocrinology and Metabolism Lancashire Teaching Hospitals NHS TrustPreston PR29HTUnited Kingdom Faculty of Science Manchester Metropolitan UniversityManchester M156BHUnited Kingdom Faculty of Biology Medicine and HealthThe University of ManchesterManchester M139PLUnited Kingdom

The bidirectional association between type 2 diabetes mellitus(T2DM)and periodontitis is now well established,resulting in periodontal disease being considered as the 6th major complication of diabetes mellitus(DM)after cardiovascular disease,eye disease,neuropathy,nephropathy,and peripheral vascular disease.DM can worsen the virulence and invasiveness of pathogenic oral microbial flora aggravating the local inflammation and infection in those with periodontal disease.On the other hand,the chemical and immunological mediators released into the circulation as part of periodontal inflammation worsen the systemic insulin resistance with worsening of T2DM.periodontitis if undiagnosed or left untreated can also result in eventual tooth loss.A study by Xu et al in the World Journal of Diabetes examined the predictive factors associated with periodontitis in Chinese patients with T2DM.The prevalence of periodontitis was found to be 75.7%in this study.Based on logistic regression analysis,the predictive factors for higher risk were low tooth brushing frequency[odds ratio(OR)=4.3],high triglycerides(TG;OR=3.31),high total cholesterol(TC;OR=2.87),higher glycated hemoglobin(HbA1c;OR=2.55),and higher age(OR=1.05)while higher education level was protective(OR=0.53).However,the most influential variables were HbA1c followed by age,TC,TG,low education level,brushing frequency,and sex on the random forest model(this model showed higher sensitivity for predicting the risk).A good understanding of the predictors for periodontitis in T2DM patients is important in prevention,early detection of susceptible patients,and intervention to improve periodontal health and enable long-term glycaemic control as observed by Xu et al.

关键词： Diabetes mellitus periodontitis Predictive factors Cardiovascular disease Glycaemic control

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Analysis of influencing factors of anxiety and depression in patients with periodontitis

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World Journal of Psychiatry 2024年第1期14卷 141-147页

作者： Yao Kong Department of Stomatology Xinxiang Central HospitalXinxiang 453000Henan ProvinceChina

BACKGROUND periodontitis is a chronic oral disease caused by pathogenic microorganisms that corrode tooth tissue,form periodontal pockets,absorb alveolar bone,and finally lead to tooth loss.During treatment,patients are prone to anxiety,tension,and other negative emotions,which affect their ability to face the disease and may also lead to aggravation of the original condition and affect oral health.Therefore,it is important to improve the negative psychology of patients with periodontitis to clarify the factors that may lead to negative psychological emotions.AIM To investigate the risk factors that may lead to anxiety and depression in patients with periodontitis.METHODS One hundred patients with periodontitis were selected between March 2022 and March 2023 at our hospital.All patients were assessed with the Zung Self-rating Depression Scale(SDS)(≥53 points indicate a depressive state)and Zung Selfrating Anxiety Scale(SAS)(≥50 points indicates an anxious state).In this study,patients who experienced anxiety or depression were included in the occurrence group and those without anxiety or depression were included in the nonoccurrence group.The baseline data of the two groups were compared to explore the risk factors for anxiety and depression in patients with periodontitis.RESULTS A total of 100 patients with periodontitis were included in this study.According to the SDS,38 patients(38.00%)developed depression,with an average SDS score of(68.52±5.85)points.According to the SAS,40 patients(40.00%)developed anxiety,and the average SAS score was(72.15±4.15)points.In this study,56 patients with anxiety or depression were included.Compared with the nonoccurrence group,the occurrence group had higher ages(≥60 years),lower level of hope(low level),educational level(high school or below),disease perception(poor),and sleep disorder(yes).The negative coping dimension scores of the simplified coping style questionnaire(SCSQ)and Dental Fear Scale(DFS)in the occurrence group were higher,whereas the score of the positive coping

关键词： periodontitis Anxiety Depression Mental state Influencing factor

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Poor oral health was associated with higher risk of gastric cancer: Evidence from 1431677 participants

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World Journal of Gastrointestinal Surgery 2024年第2期16卷 585-595页

作者： Fei Liu Shi-Jun Tang Zi-Wei Li Xu-Rui Liu Quan Lv Wei Zhang Dong Peng Department of Gastrointestinal Surgery The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China Department of Pediatric Dentistry Stomatological Hospital of Guizhou Medical UniversityGuizhou 550000Guizhou ProvinceChina

BACKGROUND In recent years,the association between oral health and the risk of gastric cancer(GC)has gradually attracted increased interest.However,in terms of GC incidence,the association between oral health and GC incidence remains contro-versial.periodontitis is reported to increase the risk of GC.However,some studies have shown that periodontitis has no effect on the risk of GC.Therefore,the present study aimed to assess whether there is a relationship between oral health and the risk of GC.AIM To assess whether there was a relationship between oral health and the risk of GC.METHODS Five databases were searched to find eligible studies from inception to April 10,2023.Newcastle-Ottawa Scale score was used to assess the quality of included studies.The quality of cohort studies and case-control studies were evaluated separately in this study.Incidence of GC were described by odds ratio(OR)and 95%confidence interval(CI).Funnel plot was used to represent the publication bias of included studies.We performed the data analysis by StataSE 16.RESULTS A total of 1431677 patients from twelve included studies were enrolled for data analysis in this study.According to our analysis,we found that the poor oral health was associated with higher risk of GC(OR=1.15,95%CI:1.02-1.29;I2=59.47%,P=0.000.01),gingivitis(OR=1.19,95%CI:0.71-1.67;I2=0.00%,P>0.01),dentures(OR=1.27,95%CI:0.63-1.19;I2=68.79%,P>0.01),or tooth brushing(OR=1.25,95%CI:0.78-1.71;I2=88.87%,P>0.01)had no influence on the risk of GC.However,patients with periodontitis(OR=1.13,95%CI:1.04-1.23;I2=0.00%,Pperiodontitis,had a higher risk of GC.Patients should be concerned about their oral health.Improving oral health might reduce the risk of GC.

关键词： Oral health Tooth loss periodontitis Gastric cancer Risk factor

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Multifunctional role of oral bacteria in the progression of nonalcoholic fatty liver disease

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World Journal of Hepatology 2024年第5期16卷 688-702页

作者： En-Hua Mei Chao Yao Yi-Nan Chen Shun-Xue Nan Sheng-Cai Qi Shanghai Medical College Fudan UniversityShanghai 200000China Department of Prothodontics Shanghai Stomatological HospitalFudan UniversityShanghai 200000China Shanghai Key Laboratory of Craniomaxiofacial Development and Diseases Fudan UniversityShanghai 200000China

Non-alcoholic fatty liver disease(NAFLD)encompasses a spectrum of liver disorders of varying severity,ultimately leading to fibrosis.This spectrum primarily consists of NAFL and non-alcoholic steatohepatitis.The pathogenesis of NAFLD is closely associated with disturbances in the gut micr-obiota and impairment of the intestinal barrier.Non-gut commensal flora,particularly bacteria,play a pivotal role in the progression of NAFLD.Notably,Porphyromonas gingivalis,a principal bacterium involved in periodontitis,is known to facilitate lipid accumulation,augment immune responses,and induce insulin resistance,thereby exacerbating fibrosis in cases of periodontitis-associated NAFLD.The influence of oral microbiota on NAFLD via the“oral-gut-liver”axis is gaining recognition,offering a novel perspective for NAFLD management through microbial imbalance correction.This review endeavors to encapsulate the intricate roles of oral bacteria in NAFLD and explore underlying mechanisms,emphasizing microbial control strategies as a viable therapeutic avenue for NAFLD.

关键词： Non-alcoholic fatty liver disease Oral bacteria Gut bacteria periodontitis Non-alcoholic steatohepatitis

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Brain abscess from oral microbiota approached by metagenomic next-generation sequencing: A case report and review of literature

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World Journal of Clinical Cases 2024年第3期12卷 616-622页

作者： Xue-Min Zhu Chun-Xia Dong Lei Xie Hao-Xin Liu Huai-Qiang Hu School of Clinical Medicine Weifang Medical UniversityWeifang 261053Shandong ProvinceChina Department of Neurology the 960th Hospital of People′s Liberation ArmyJinan 250031Shandong ProvinceChina

BACKGROUND Brain abscess is a serious and potentially fatal disease caused primarily by microbial infection.Although progress has been made in the diagnosis and treatment of brain abscesses,the diagnostic timeliness of pathogens needs to be improved.CASE SUMMARY We report the case of a 54-year-old male with a brain abscess caused by oral bacteria.The patient recovered well after receiving a combination of metagenomic next-generation sequencing(mNGS)-assisted guided medication and surgery.CONCLUSION Therefore,mNGS may be widely applied to identify the pathogenic microor-ganisms of brain abscesses and guide precision medicine.

关键词： Brain abscess Metagenomic next-generation sequencing periodontitis Oral bacteria Precision medicine Case report

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Correlation of periodontal inflamed surface area with glycated hemoglobin,interleukin-6 and lipoprotein(a)in type 2 diabetes with retinopathy

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World Journal of Diabetes 2024年第4期15卷 686-696页

作者： Nusreen Jamal Thazhe Poyil Rosamma Joseph Vadakkekuttical Chandni Radhakrishnan Department of Periodontics Government Dental College(Affiliated to Kerala University of Health Sciences)Calicut 673008KeralaIndia Department of Medicine Government Medical College(Affiliated to Kerala University of Health Sciences)Calicut 673008KeralaIndia

BACKGROUND The two-way relationship between periodontitis and type 2 diabetes mellitus(T2DM)is well established.Prolonged hyperglycemia contributes to increased periodontal destruction and severe periodontitis,accentuating diabetic complications.An inflammatory link exists between diabetic retinopathy(DR)and periodontitis,but the studies regarding this association and the role of lipoprotein(a)[Lp(a)]and interleukin-6(IL-6)in these conditions are scarce in the literature.AIM To determine the correlation of periodontal inflamed surface area(PISA)with glycated Hb(HbA1c),serum IL-6 and Lp(a)in T2DM subjects with retinopathy.METHODS This cross-sectional study comprised 40 T2DM subjects with DR and 40 T2DM subjects without DR.All subjects were assessed for periodontal parameters[bleeding on probing(BOP),probing pocket depth,clinical attachment loss(CAL),oral hygiene index-simplified,plaque index(PI)and PISA],and systemic parameters[HbA1c,fasting plasma glucose and postprandial plasma glucose,fasting lipid profile,serum IL-6 and serum Lp(a)].RESULTS The proportion of periodontitis in T2DM with and without DR was 47.5%and 27.5%respectively.Severity of periodontitis,CAL,PISA,IL-6 and Lp(a)were higher in T2DM with DR group compared to T2DM without DR group.Significant difference was observed in the mean percentage of sites with BOP between T2DM with DR(69%)and T2DM without DR(41%),but there was no significant difference in PI(P>0.05).HbA1c was positively correlated with CAL(r=0.351,P=0.001),and PISA(r=0.393,P≤0.001)in study subjects.A positive correlation was found between PISA and IL-6(r=0.651,Pperiodontitis and DM,the presence of DR may have contributed to the severity of periodontal destructio

关键词： Type 2 diabetes mellitus periodontitis Periodontal inflamed surface Area Glycated Hb Diabetic retinopathy

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Metagenomic Analysis Reveals A Possible Association Between Respiratory Infection and periodontitis

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Genomics, Proteomics & Bioinformatics 2022年第2期20卷 260-273页

作者： Zhenwei Liu Tao Zhang Keke Wu Zhongshan Li Xiaomin Chen Shan Jiang Lifeng Du Saisai Lu Chongxiang Lin Jinyu Wu Xiaobing Wang Institute of Genomic Medicine Wenzhou Medical UniversityWenzhou 325000China Wenzhou Center for Disease Control and Prevention Wenzhou 325000China Rheumatology Department The First Affiliated Hospital of Wenzhou Medical UniversityWenzhou 352000China Department of Stomatology The First Affiliated Hospital of Wenzhou Medical UniversityWenzhou 325000China

periodontitis is an inflammatory disease that is characterized by progressive destruction of the periodontium and causes tooth loss in adults.periodontitis is known to be associated with dysbiosis of the oral microflora,which is often linked to various diseases.However,the complexity of plaque microbial communities of periodontitis,antibiotic resistance,and enhanced virulence make this disease difficult to treat.In this study,using metagenomic shotgun sequencing,we investigated the etiology,antibiotic resistance genes(ARGs),and virulence genes(VirGs)of periodontitis.We revealed a significant shift in the composition of oral microbiota as well as several functional pathways that were represented significantly more abundantly in periodontitis patients than in controls.In addition,we observed several positively selected ARGs and VirGs with the Ka/Ks ratio>1 by analyzing our data and a previous periodontitis dataset,indicating that ARGs and VirGs in oral microbiota may be subjected to positive selection.Moreover,5 of 12 positively selected ARGs and VirGs in periodontitis patients were found in the genomes of respiratory tract pathogens.Of note,91.8%of the background VirGs with at least one non-synonymous single-nucleotide polymorphism for natural selection were also from respiratory tract pathogens.These observations suggest a potential association between periodontitis and respiratory infection at the gene level.Our study enriches the knowledge of pathogens and functional pathways as well as the positive selection of antibiotic resistance and pathogen virulence in periodontitis patients,and provides evidence at the gene level for an association between periodontitis and respiratory infection.

关键词： periodontitis Metagenomic sequencing Antibiotic resistance gene Virulence gene Respiratory infection

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Extracellular vesicles derived from human dental mesenchymal stem cells stimulated with low-intensity pulsed ultrasound alleviate inflammation-induced bone loss in a mouse model of periodontitis

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Genes & Diseases 2023年第4期10卷 1613-1625页

作者： Tingwei Zhang Ziqi Chen Mengyuan Zhu Xuan Jing Xiaohui Xu Xulei Yuan Mengjiao Zhou Yanan Zhang Miao Lu Duanjing Chen Shihan Xu Jinlin Song Chongqing Key Laboratory for Oral Diseases and Biomedical Sciences Chongqing Municipal Key Laboratory for Oral Biomedical Engineering of Higher Educationand Stomatological Hospital of Chongqing Medical UniversityChongqing 401147China

Extracellular vesicles(EVs)derived from mesenchymal stem cells(MSCs)have emerged as a new mode of intercellular crosstalk and are responsible for many of the thera-peutic effects of MSCs.To promote the application of MSC-EVs,recent studies have focused on the manipulation of MSCs to improve the production of EVs and EV-mediated activities.The current paper details an optimization method using non-invasive low-intensity pulsed ul-trasound(LIPUS)as the stimulation for improving oral MSC-EV production and effectiveness.Stem cells from apical papilla(SCAP),a type of oral mesenchymal stem cell,displayed inten-sity-dependent pro-osteogenic and anti-inflammatory responses to LIPUS without significant cytotoxicity or apoptosis.The stimuli increased the secretion of EVs by promoting the expres-sion of neutral sphingomyelinases in SCAP.In addition,EVs from LIPUS-induced SCAP exhibited stronger efficacy in promoting the osteogenic differentiation and anti-inflammation of peri-odontal ligament cells in vitro and alleviating oral inflammatory bone loss in vivo.In addition,LIPUS stimulation affected the physical characteristics and miRNA cargo of SCAP-EVs.Further investigations indicated that miR-935 is an important mediator of the pro-osteogenic and anti-inflammatory capabilities of LIPUS-induced SCAP-EVs.Taken together,these findings demonstrate that LIPUS is a simple and effective physical method to optimize SCAP-EV produc-tion and efficacy.

关键词： Extracellular vesicles Low-intensity pulsed ultrasound Oral bone loss periodontitis Stem cells from apical papilla

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The Dual Role of Non-coding RNAs in the Development of periodontitis

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生物医学与环境科学:英文版 2023年第8期36卷 743-755页

作者： XU Xi LANG Guang Ping CHEN Zhong Lan WANG Jing Le HAN Ying Ying Special Key Laboratory of Oral Diseases Research Hospital/School of StomatologyZunyi Medical UniversityZunyi 563099GuizhouChina Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education Zunyi Medical UniversityZunyi 563099GuizhouChina School of Preclinical Medicine of Zunyi Medical University Zunyi Medical UniversityZunyi 563099GuizhouChina

This review aims to sum up how Non-coding RNAs(ncRNAs)regulate the development of periodontitis and provides a new perspective for understanding the pathogenesis of periodontitis.We explored the ncRNA's dual role in the development of periodontitis by summarizing evidence from previous in vivo and in vitro studies as well as clinical samples.In our review,the downregulation of 18 miRNAs,22 lncRNAs and 10 circRNAs demonstrates protective roles in periodontitis.In contrast,the expression of other 11 miRNAs,7 lncRNAs and 6 circRNAs are upregulated in periodontitis,which promote the progression of periodontitis.These dysregulated ncRNAs exert their protective or destructive roles by mainly influencing cell proliferation,differentiation and apoptosis via cross-talking with various molecules or signaling pathways.Our findings suggested which and how ncRNAs promote or delay the progression of periodontitis,which may greatly contribute to diagnose and therapy development of periodontitis based on ncRNAs in the future.

关键词： periodontitis MicroRNA Long non-coding RNA Circular RNA Non-coding RNA

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Effects of Atmospheric Pressure Plasma in the Treatment of Experimental periodontitis in Beagle Dogs

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Current Medical Science 2022年第5期42卷 1079-1087页

作者： Xue-zhi TANG Jia-yin LI Qi SHI Han-yong ZHANG Zhi-xiang ZHANG Ke SONG Xin-pei LU Ying-guang CAO Tian-feng DU Department of Stomatology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic EngineeringHuazhong University of Science and TechnologyWuhan430074China Department of Stomatology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou450052China

Objective The specific objective of this study was to evaluate the effects of atmospheric pressure plasma(APP)in the treatment of experimental periodontitis in Beagle dogs.Methods The APP jet was diagnosed using optical emission spectroscopy and laser-induced fluorescence spectroscopy.Six Beagles received stainless steel ligatures to establish experimental periodontitis model.The teeth in the control group were subjected to conventional root surface debridement(RSD)and chlorhexidine irrigation.The APP group also started with RSD and was then subjected to plasma irradiation.Clinical analyses including plaque index,modified sulcus bleeding index,pocket depth and attachment loss(AL),as well as cone-beam computed tomography(CBCT)analysis,were performed at baseline,4th week,8th week and 12th week after treatment.Results The results showed that typical reactive oxygen and nitrogen species were found in the full spectrum and the gas temperature of APP was close to room temperature.The highest concentrations of hydroxide and oxygen were obtained at 5 mm away from the nozzle.In both groups,all values in clinical examinations were significantly lower(Pperiodontitis treatment.

关键词： canine plasma biofilms periodontitis therapeutics

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