1.Gingipain from Porphyromonas gingivalis causes insulin resistance by degrading insulin receptors through direct proteolytic effects
Liu FEN ; Zhu BOFENG ; An YING ; Zhou ZHIFEI ; Xiong PEIYING ; Li XUAN ; Mi YANG ; He TONGQIANG ; Chen FAMING ; Wu BULING
International Journal of Oral Science 2024;16(3):539-552
		                        		
		                        			
		                        			Periodontitis is a critical risk factor for the occurrence and development of diabetes.Porphyromonas gingivalis may participate in insulin resistance(IR)caused by periodontal inflammation,but the functional role and specific mechanisms of P.gingivalis in IR remain unclear.In the present study,clinical samples were analysed to determine the statistical correlation between P.gingivalis and IR occurrence.Through culturing of hepatocytes,myocytes,and adipocytes,and feeding mice P.gingivalis orally,the functional correlation between P.gingivalis and IR occurrence was further studied both in vitro and in vivo.Clinical data suggested that the amount of P.gingivalis isolated was correlated with the Homeostatic Model Assessment for IR score.In vitro studies suggested that coculture with P.gingivalis decreased glucose uptake and insulin receptor(INSR)protein expression in hepatocytes,myocytes,and adipocytes.Mice fed P.gingivalis tended to undergo IR.P.gingivalis was detectable in the liver,skeletal muscle,and adipose tissue of experimental mice.The distribution sites of gingipain coincided with the downregulation of INSR.Gingipain proteolysed the functional insulin-binding region of INSR.Coculture with P.gingivalis significantly decreased the INSR-insulin binding ability.Knocking out gingipain from P.gingivalis alleviated the negative effects of P.gingivalis on IR in vivo.Taken together,these findings indicate that distantly migrated P.gingivalis may directly proteolytically degrade INSR through gingipain,thereby leading to IR.The results provide a new strategy for preventing diabetes by targeting periodontal pathogens and provide new ideas for exploring novel mechanisms by which periodontal inflammation affects the systemic metabolic state.
		                        		
		                        		
		                        		
		                        	
2.Educational attainment increases the risk of developing allergic rhinitis and (or) eczema: a Mendelian randomization study based on genome-wide association studies in European patients
Rui ZHENG ; Zifeng LIU ; Zhuanggui CHEN ; Xuekun HUANG ; Peiying FENG ; Huijun QIU ; Yaxin LU ; Jingjing CHEN ; Yana ZHANG ; Jianrong ZHANG ; Qintai YANG
Chinese Journal of Preventive Medicine 2024;58(6):791-798
		                        		
		                        			
		                        			Objective:To determine the causal relationship between educational attainment and the risk of allergic rhinitis and (or) eczema using Mendelian randomization (MR) analyses.Methods:This study was a secondary data analysis based on the summary data of genome-wide association studies (GWAS), which involved 293 723 participants (educational attainment) from the Social Science Genetics Association Consortium and 462 013 participants [allergic rhinitis and (or) eczema] from the UK Biobank. Genetic variants that were closely related to educational attainment were identified as instrumental variables. Two-sample MR analyses, including inverse-variance weighted (IVW), MR-Egger regression, weighted median method and weighted model-based estimation, were performed to investigate the causal relationship between educational attainment and the risk of allergic rhinitis and (or) eczema, in which the odds ratio ( OR) values were used as indicators. Results:A total of 70 single-nucleotide polymorphisms (SNPs) were chosen as instrumental variables. The MR-Egger regression results suggested that the genetic pleiotropy was unlikely to bias our results ( P=0.107). In the univariable MR analyses, IVW regression showed that the risk of allergic rhinitis and (or) eczema was OR=1.044 (95% CI: 1.020-1.069, P<0.001) and OR=1.170 (95% CI: 1.074-1.256, P<0.001), respectively, for the increase in the duration of education by one year or one standard deviation ( SD) (3.71 years). In the reverse MR analysis, IVW regression showed little evidence that allergic rhinitis and (or) eczema affected educational attainment ( OR=1.020, 95% CI: 0.927-1.023, P=0.683). The results of the weighted median method and weighted mode-based estimation were consistent with the results of IVW. Conclusion:This study suggests that there is a positive causal relationship between educational attainment and the risk of allergic rhinitis and (or) eczema, which means that educational attainment can increase the occurrence of allergic rhinitis and (or) eczema.
		                        		
		                        		
		                        		
		                        	
3.Research and development of real-time monitoring,early warning and tracking management system for infectious diseases in hospitals and tracking and evaluation of application effects
Tuli ZHONG ; Ang CHEN ; Tongming XIAO ; Sang HUANG ; Peiying CHENG ; Wenqi ZHANG
Modern Hospital 2024;24(9):1439-1441,1445
		                        		
		                        			
		                        			Objective Through the development of"real-time monitoring,early warning and tracking management sys-tem for infectious diseases in hospitals",real-time monitoring and early warning are realized,report cards are generated,and case tracking and management of infectious diseases are formed.Methods We selected 22 185 cases of infectious disease re-ports from April 2020 to October 2022 and 33 640 cases of infectious disease reports from November 2022 to May 2024,and com-pared the 19-month period before and after the launch of the new infectious disease early warning management system with that be-fore the launch of the original traditional infectious disease reporting management system,and compared the rate of infectious dis-ease reporting,the accuracy of infectious disease reporting,the timeliness of infectious disease reporting(time),the accuracy of infectious disease reporting,and the quality of infectious disease reporting(time),Infectious disease reporting timeliness(time),effectiveness of infectious disease tracking,and clinical medical staff's satisfaction with infectious disease reporting were compared and analyzed.Results After the use of the new hospital infectious disease early warning and tracking management sys-tem,the differences in infectious disease reporting rate,infectious disease reporting accuracy,infectious disease reporting timeli-ness,infectious disease tracking effectiveness,and clinical medical staff's satisfaction with infectious disease reporting were all sta-tistically significant(P<0.05).Conclusion The development of"real-time monitoring,early warning and tracking management system for infectious diseases in hospitals"has significantly improved the reporting rate of infectious diseases,the accuracy of infec-tious disease reporting,the timeliness of infectious disease reporting,the effectiveness of infectious disease tracking,and the satis-faction of infectious disease reporting of clinical medical staff,and it has the characteristics of real-time,high efficiency and accura-cy,and the effect of early warning and tracking management is good,which has good value for promotion.It is characterized by re-al-time,high efficiency and accuracy,with good effect of early warning and tracking management,and has good promotion value.
		                        		
		                        		
		                        		
		                        	
4.Educational attainment increases the risk of developing allergic rhinitis and (or) eczema: a Mendelian randomization study based on genome-wide association studies in European patients
Rui ZHENG ; Zifeng LIU ; Zhuanggui CHEN ; Xuekun HUANG ; Peiying FENG ; Huijun QIU ; Yaxin LU ; Jingjing CHEN ; Yana ZHANG ; Jianrong ZHANG ; Qintai YANG
Chinese Journal of Preventive Medicine 2024;58(6):791-798
		                        		
		                        			
		                        			Objective:To determine the causal relationship between educational attainment and the risk of allergic rhinitis and (or) eczema using Mendelian randomization (MR) analyses.Methods:This study was a secondary data analysis based on the summary data of genome-wide association studies (GWAS), which involved 293 723 participants (educational attainment) from the Social Science Genetics Association Consortium and 462 013 participants [allergic rhinitis and (or) eczema] from the UK Biobank. Genetic variants that were closely related to educational attainment were identified as instrumental variables. Two-sample MR analyses, including inverse-variance weighted (IVW), MR-Egger regression, weighted median method and weighted model-based estimation, were performed to investigate the causal relationship between educational attainment and the risk of allergic rhinitis and (or) eczema, in which the odds ratio ( OR) values were used as indicators. Results:A total of 70 single-nucleotide polymorphisms (SNPs) were chosen as instrumental variables. The MR-Egger regression results suggested that the genetic pleiotropy was unlikely to bias our results ( P=0.107). In the univariable MR analyses, IVW regression showed that the risk of allergic rhinitis and (or) eczema was OR=1.044 (95% CI: 1.020-1.069, P<0.001) and OR=1.170 (95% CI: 1.074-1.256, P<0.001), respectively, for the increase in the duration of education by one year or one standard deviation ( SD) (3.71 years). In the reverse MR analysis, IVW regression showed little evidence that allergic rhinitis and (or) eczema affected educational attainment ( OR=1.020, 95% CI: 0.927-1.023, P=0.683). The results of the weighted median method and weighted mode-based estimation were consistent with the results of IVW. Conclusion:This study suggests that there is a positive causal relationship between educational attainment and the risk of allergic rhinitis and (or) eczema, which means that educational attainment can increase the occurrence of allergic rhinitis and (or) eczema.
		                        		
		                        		
		                        		
		                        	
5.Acupuncture plus naloxone hydrochloride in the treatment of coma after surgery for cerebralhemorrhage: a randomized controlled trial
Min CHEN ; Shuangshuang WU ; Peiying TANG
Journal of Acupuncture and Tuina Science 2022;20(2):134-138
		                        		
		                        			
		                        			Objective: To observe the efficacy of acupuncture combined with naloxone hydrochloride in the treatment of coma after surgery for cerebral hemorrhage and to explore its possible mechanism of action. Methods: Seventy-two patients were divided into a control group and an observation group according to the random number table method, with 36 cases in each group. The control group was treated with intravenous naloxone hydrochloride, and the observation group received additional acupuncture treatment. After 1 month of treatment, the awakening rate, Glasgow coma scale (GCS) score, cerebral edema volume, mean velocity (Vm) of the middle cerebral artery, and cerebrospinal fluid Caspase-3, and macrophage migration inhibitory factor (MIF) levels were compared between the two groups. Results: During the study, there were 2 cases of shedding in the control group and 34 remaining valid cases; 1 case of shedding in the observation group and 35 remaining valid cases. After treatment, the awakening rate was higher in the observation group than in the control group (P<0.05); the GCS score increased in both groups compared with that before treatment (P<0.05), and was higher in the observation group than in the control group (P<0.05); the volume of cerebral edema decreased in both groups (P<0.05), and was smaller in the observation group than in the control group (P<0.05); the middle cerebral artery Vm increased in both groups (P<0.05), and was higher in the observation group than in the control group (P<0.05); the cerebrospinal fluid Caspase-3 and MIF levels decreased significantly in both groups (P<0.05) and were lower in the observation group than in the control group (P<0.05). Conclusion: Acupuncture combined with naloxone hydrochloride for the treatment of coma after surgery for cerebral hemorrhage can promote patients' awakening, improve the degree of coma, reduce the volume of cerebral edema, and enhance cerebral blood flow velocity, producing a better effect than naloxone hydrochloride used alone; it may be related to its reduction of cerebrospinal fluid Caspase-3 and MIF levels.
		                        		
		                        		
		                        		
		                        	
6.A study on sensory processing characteristics of preschool children with autism spectrum disorder
Lian JIANG ; Liting CHU ; Chenhuan MA ; Lingyan CHEN ; Mengfan LI ; Lizhu PAN ; Peiying ZHU ; Yu WANG
Shanghai Journal of Preventive Medicine 2022;34(10):955-959
		                        		
		                        			
		                        			ObjectiveTo explore the sensory processing characteristics of preschool children with autism spectrum disorder (ASD), and to provide a theoretical basis for early screening and intervention training of ASD. MethodsA total of 215 preschool children with ASD and170 typically developed (TD) children were investigated with a basic situation questionnaire and sensory processing measure (SPM). The two groups were stratified according to age and gender, and the differences of scores in sensory domains were compared to analyze the sensory processing characteristics of preschool children with ASD. ResultsThe scores of social participation, vision, hearing, touch, taste and smell, body awareness, balance and motion, planning and ideas, and total sensory system in children with ASD were all higher than those in children with TD (all P<0.01). The highest degree of abnormality was found in hearing and the lowest degree in taste and smell in children with ASD. The results of Spearman correlation analysis showed that in the 4-year-old and 5-year-old children with ASD, the scores of vision (rs=-0.200, P= 0.033) and hearing (rs=-0.194, P=0.040) decreased with age. There was no correlation between the scores of other developmental quotients and age (all P>0.05). Boys and girls with ASD had higher scores in all developmental quotients than TD children (P<0.01). However, there was no significant gender difference in any developmental quotients of ASD children (all P>0.05). ConclusionSensory processing abnormalities are common in preschool children with ASD, which are different from those of TD children in multiple sensory domains. Sensory processing abnormalities may be used as an indicator for early screening of ASD, and it is necessary to conduct corresponding intervention training for sensory processing abnormalities in children with ASD. 
		                        		
		                        		
		                        		
		                        	
7. Effect of traditional Chinese medicine enema combined with rhubarb acupoint in the treatment of severe acute pancreatitis complicated with paralytic ileus
Peiying WEN ; Yongqiang XU ; Meizhen FANG ; Jianying CHEN
Chinese Journal of Primary Medicine and Pharmacy 2019;26(11):1281-1284
		                        		
		                        			 Objective:
		                        			To observe the clinical effect of traditional Chinese medicine enema combined with rhubarb acupoint in the treatment of severe acute pancreatitis(SAP) complicated with paralytic ileus.
		                        		
		                        			Methods:
		                        			A total of 60 SAP patients complicated with paralytic ileus treated in the First People's Hospital of Huzhou from June 2015 to June 2017 were selected and randomly divided into two groups by random lottery method, with 30 cases in each group.The two groups were treated with routine anti-infection and rehydration.The control group was treated with traditional Chinese medicine enema combined with placebo, and the observation group was treated with traditional Chinese medicine enema combined with rhubarb on Shenque acupoint, and the two groups were treated for 7d.The recovery time of blood amylase, bowel sounds recovery time, first self defecation time, local complications and mortality were observed in the two groups.
		                        		
		                        			Results:
		                        			The recovery time of blood amylase, the recovery time of intestinal sound and the time of the first defecation were (8.87±2.30)d, (2.88±1.09)d and (3.51±1.32)d, respectively, which were significantly shorter than those of the control group [(10.29±2.01)d, (3.67±1.30)d and (4.57±1.41)d], the differences were statistically significant(
		                        		
		                        	
8.Quality Standard of Huangqi Baoxin Mixture
Wei WU ; Peiying ZHANG ; Yonggang CHEN ; Xingjie CHANG ; Shiqiang WU ; Jiayu ZHANG
Herald of Medicine 2018;37(3):341-344
		                        		
		                        			
		                        			Objective To establish a quality standard of huangqi baoxin mixture and improve its quality control system. Methods The qualitative analysis of Astragalus membranaceus,Salvia miltiorrhiza,Forsythia,and Angelica were performed by TLC.The content determination of astragalosideⅣin the huangqi baoxin mixture was conducted by HPLC-ELSD. Results As-tragalus membranaceus,Salvia miltiorrhiza,Forsythia,and Angelica in the huangqi baoxin mixture could be accurately identified by TLC.The linear range of astragaloside Ⅳ was 1.224-10.20 μg (r=0.999 5).RSDs of precision,stability,and reproducibility tests were lower than 3.0%;the recovery was 96.2%-102.9% with RSD at 2.20% (n=6). Conclusion The established quan-titative method is simple,accurate,and reliable with high specificity which can be used to control the quality of huangqi baoxin mixture.
		                        		
		                        		
		                        		
		                        	
9.Approach to frailty in the elderly in primary care and the community.
Christine Yuanxin CHEN ; Peiying GAN ; Choon How HOW
Singapore medical journal 2018;59(5):240-245
		                        		
		                        			
		                        			Frailty is a distinct clinical syndrome wherein the individual has low reserves and is highly vulnerable to internal and external stressors. Although it is associated with disability and multiple comorbidities, it can also be present in individuals who seem healthy. Frailty is multidimensional and its pathophysiology is complex. Early identification and intervention can potentially decrease or reverse frailty, especially in the early stages. Primary care physicians, community nurses and community social networks have important roles in the identification of pre-frail and frail elderly through the use of simple frailty screening tools and rapid geriatric assessments. Appropriate interventions that can be initiated in a primary care setting include a targeted medical review for reversible medical causes of frailty, medication appropriateness, nutritional advice and exercise prescription. With ongoing training and education, the multidisciplinary engagement and coordination of care of the elderly in the community can help to build resilience and combat frailty in our rapidly ageing society.
		                        		
		                        		
		                        		
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10.Analysis of related risk factors of functional intestinal obstruction in general surgical patients after open abdominal surgery
Meizhen FANG ; Peiying WEN ; Yongqiang XU ; Jianying CHEN
Chinese Journal of Modern Nursing 2018;24(8):931-935
		                        		
		                        			
		                        			Objective To analyze the related risk factors of functional intestinal obstruction in general surgical patients and to discuss the feasible nursing and prevention measures. Methods The clinical data of totally 658 patients after abdominal surgery who received open abdominal surgery in the Department of General Surgery of the First People's Hospital of Huzhou in Zhejiang Province from January 2015 to January 2017 were retrospectively analyzed. These patients were divided into the intestinal obstruction group and the non-intestinal obstruction group based on the occurrence of postoperative functional intestinal obstruction. The single factor analysis was then conducted over the age, gender, operation time, anesthesia, postoperative analgesic use (opioids and non-opioids), abdominal operation history, smoking history, alcohol drinking history, diabetes mellitus history and history of hypertension; and Logistic regression analysis was also performed on the influencing factors to determine the impact of functional intestinal obstruction in patients who received open abdominal surgery. Results Totally 47 out of the 658 patients receiving open abdominal surgery developed functional intestinal obstruction, with an incidence of 7.14%. The univariate analysis showed that there were statistically significant differences between the two groups in gender, age, operation time, postoperative analgesic use, history of abdominal surgery and history of diabetes mellitus (P<0.05). According to the multivariate Logistic regression analysis, gender, age, operation time, history of abdominal surgery and history of diabetes were the risk factors of postoperative functional intestinal obstruction (P<0.01). Conclusions The relevant risk factors for postoperative functional intestinal obstruction in general surgical patients after abdominal surgery include gender, age, operation time, history of abdominal surgery and diabetes mellitus. Corresponding nursing and prevention measures should be taken according to the relevant risk factors of patients.
		                        		
		                        		
		                        		
		                        	
            
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