2.Macrophage polarization in calcium oxalate nephrolithiasis:unraveling its role and influencing factors
Weisheng LI ; Chuanguo ZHANG ; Yangdong LI ; Wenqiang HE
Chinese Journal of Pathophysiology 2024;40(1):180-186
The most prevalent kind of renal calculi,calcium oxalate(CaOx),is characterized by its propensi-ty for recurrence in the urinary system.The development of CaOx renal calculi is greatly affected by macrophage polariza-tion.Particular oxalate causes an imbalance in macrophage polarization,which skews the M1/M2 ratio and makes it easier for CaOx crystals to accumulate in the kidneys and grow into calcium plaques in the renal papilla.Notably,M2 macro-phages can prevent CaOx renal calculi by consuming crystals and reducing inflammatory stress.As a result,immunothera-peutic techniques that alter M1 and M2 macrophage polarization are extremely promising for preventing CaOx renal calcu-li.To clarify the respective roles of M1 and M2 macrophages in the formation of CaOx crystals and provide insights for de-veloping immunotherapeutic interventions against CaOx renal calculi,this review summarizes the mechanisms underlying macrophage polarization in the genesis of CaOx renal calculi.
3.Evaluation of right ventricular function in patients with hypertrophic cardiomyopathy and heart failure with preserved ejection fraction by the ratio of tricuspid annular plane systolic excursion to pulmonary artery systolic pressure
Tianyu HE ; Lina WU ; Wenqiang SHI ; Huican DUAN ; Haiyan LIU ; Haiyan GUO ; Weiqiang GAO ; Gang LI ; Yuan LIU ; Ruifang ZHANG
Chinese Journal of Ultrasonography 2024;33(2):126-133
Objective:To evaluate the value of the ratio of tricuspid annular plane systolic excursion to pulmonary artery systolic pressure (TAPSE/PASP) in evaluating right ventricular function of patients with hypertrophic cardiomyopathy (HCM) and heart failure with preserved ejection fraction (HFpEF).Methods:A total of 74 patients with HCM and HFpEF and 22 healthy individuals who visited the First Affiliated Hospital of Zhengzhou University from January 2021 to January 2023 were included in this study. The HCM patients with HFpEF were divided into three groups based on the tertiles of the TAPSE/PASP (low group: <0.280 0 mm/mmHg; middle group: 0.280 0-0.476 2 mm/mmHg; high group: >0.476 2 mm/mmHg). Conventional echocardiographic parameters were collected, and two-dimensional speckle tracking technology was used to obtain right ventricular strain parameters. The differences in parameters among the groups were compared, and the correlations between TAPSE/PASP and clinical parameters and right ventricular function parameters were analyzed.Results:The results of difference analysis showed that there were significant differences in 6-minute walking test, New York Heart Association grade (NYHA grade), incidence of atrial fibrillation, left atrial area (LAA), left ventricular global longitudinal strain (LVGLS), TAPSE, PASP, right ventricular fractional area change (RVFAC), right ventricular global longitudinal strain (RVGLS), right ventricular free wall strain (RVFWST) and cardiac magnetic resonance right ventricular ejection fraction (CMR-RVEF) among the three groups. The results of correlation analysis and multiple linear regression analysis showed that the TAPSE/PASP was positively correlated with 6-minute walking distance, RVFAC, tricuspid annulus peak systolic velocity (RV s′), and CMR-RVEF ( r=0.449, 0.284, 0.358, 0.577; all P<0.05). It was negatively correlated with N-terminal pro-brain natriuretic peptide (NT-proBNP), NYHA grade, LAA, mitral early diastolic peak velocity / mitral annulus early diastolic peak velocity (LV E/e′), LVGLS, RVGLS, RVFWST and tricuspid early diastolic peak velocity / tricuspid annulus early diastolic peak velocity (RV E/e′) (r/ rs=-0.336, -0.349, -0.468, -0.452, -0.444, -0.339, -0.405, -0.320; all P<0.05). The LAA and CMR-RVEF correlated independently with TAPSE/PASP(all P<0.05). Conclusions:The TAPSE/PASP can provide an early, simple, rapid, and convenient evaluation of right ventricular function in patients with HCM and HFpEF, so as to guide clinical treatment and monitoring disease progression.
4.Low disease activity and remission status of systemic lupus erythematosus in a real-world study
Limin REN ; Chuchu ZHAO ; Yi ZHAO ; Huiqiong ZHOU ; Liyun ZHANG ; Youlian WANG ; Lingxun SHEN ; Wenqiang FAN ; Yang LI ; Xiaomei LI ; Jibo WANG ; Yongjing CHENG ; Jiajing PENG ; Xiaozhen ZHAO ; Miao SHAO ; Ru LI
Journal of Peking University(Health Sciences) 2024;56(2):273-278
Objective:To investigate the rates of low disease activity and clinical remission in patients with systemic lupus erythematosus(SLE)in a real-world setting,and to analyze the related factors of low disease activity and clinical remission.Methods:One thousand patients with SLE were enrolled from 11 teaching hospitals.Demographic,clinical and laboratory data,as well as treatment regimes were collec-ted by self-completed questionnaire.The rates of low disease activity and remission were calculated based on the lupus low disease activity state(LLDAS)and definitions of remission in SLE(DORIS).Charac-teristics of patients with LLDAS and DORIS were analyzed.Multivariate Logistic regression analysis was used to evaluate the related factors of LLDAS and DORIS remission.Results:20.7%of patients met the criteria of LLDAS,while 10.4%of patients achieved remission defined by DORIS.Patients who met LLDAS or DORIS remission had significantly higher proportion of patients with high income and longer disease duration,compared with non-remission group.Moreover,the rates of anemia,creatinine eleva-tion,increased erythrocyte sedimentation rate(ESR)and hypoalbuminemia was significantly lower in the LLDAS or DORIS group than in the non-remission group.Patients who received hydroxychloroquine for more than 12 months or immunosuppressant therapy for no less than 6 months earned higher rates of LLDAS and DORIS remission.The results of Logistic regression analysis showed that increased ESR,positive anti-dsDNA antibodies,low level of complement(C3 and C4),proteinuria,low household in-come were negatively related with LLDAS and DORIS remission.However,hydroxychloroquine usage for longer than 12 months were positively related with LLDAS and DORIS remission.Conclusion:LLDAS and DORIS remission of SLE patients remain to be improved.Treatment-to-target strategy and standar-dized application of hydroxychloroquine and immunosuppressants in SLE are recommended.
5.Effect of photon cervical vertebra massage instrument on improving neck pain and related functions in patients with chronic neck pain
Yuan YAO ; Shizhen ZHANG ; Lei JIN ; Yunxiao YANG ; Wenqiang YU ; Yuanjing XU ; Jinwu WANG
Chinese Journal of Tissue Engineering Research 2024;28(30):4876-4880
BACKGROUND:Red light therapy has the non-invasive and cost-effective characteristics,and is widely used in various acute and chronic pains in clinic.However,currently,the phototherapy equipment used in clinic is expensive and has certain site limitations,so it is necessary to explore more convenient and economical phototherapy applications. OBJECTIVE:To observe the clinical efficacy of a self-developed photon cervical vertebra massage instrument for chronic neck pain. METHODS:From November 2022 to February 2023,24 patients with chronic neck pain were recruited from the Department of Rehabilitation Medicine,Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine,including 18 females and 6 males,with a mean age of(29.67±6.40)years.The body mass index was(21.39±3.52)kg/m2.Photon cervical vertebra massage instrument was used twice a day for 20 minutes each time for four weeks.The changes in visual analog scale score,pressure pain threshold,neck active activity,neck disability index,and Pittsburgh sleep quality index were observed before,after 2 and 4 weeks of treatment. RESULTS AND CONCLUSION:(1)Compared with before treatment,after four weeks of treatment,visual analog scale score,pressure pain threshold,neck disability index,and Pittsburgh sleep quality index were all improved(P<0.05),while some cervical motion(extension,left and right rotation)improved(P<0.05)after 4 weeks of treatment.(2)Bilateral visual analog scale scores,left trapezius muscle pressure pain threshold,C5C6 pressure pain threshold,and neck disability index improved after 2 weeks of treatment(P<0.05).(3)It is indicated that the application of photon cervical vertebra massage instrument can improve the pain score,muscle tenderness,sleep quality,functional level,and partial active activity of patients with chronic neck pain in a short period,and is a convenient,effective,and safe treatment method.
6.Nlrp6 overexpression inhibits lipid synthesis to suppress proliferation of hepatocellular carcinoma cells by regulating the AMPK-Srebp1c axis
Cuiyuan HUANG ; Yunping SUN ; Wenqiang LI ; Li LIU ; Wei WANG ; Jing ZHANG
Journal of Southern Medical University 2024;44(10):1910-1917
Objective To investigate the mechanism of Nlrp6 for regulating hepatocellular carcinoma(HCC)progression in light of lipid synthesis regulation.Methods Nlrp6 expression level in HCC tissues of different pathological grades was investigated using RNA-seq data from The Cancer Genome Atlas(TCGA)database,and its correlation with the patients'survival was analyzed with Kaplan-Meier survival analysis.HepG2 cells with adenovirus-mediated Nlrp6 overexpression or knockdown were treated with palmitic acid(PA),and the changes in lipid deposition and cell proliferation were evaluated using Oil Red O staining,CCK-8 assay,EdU staining,and colony formation assay.RT-qPCR and Western blotting were used to detect the changes in expression of lipid synthesis-related genes and the proteins in the AMPK-Srebp1c axis.In a mouse model of hepatic steatosis established in liver-specific Nlrp6 knockout mice by high-fat diet feeding for 24 weeks,liver fibrosis was examined with histological staining,and the changes in expressions of HCC markers and the AMPK-Srebp1c signaling pathway were detected.Results Nlrp6 expression was significantly reduced in HCC tissues with negative correlations with the pathological grades and the patients'survival(P<0.0001).In HepG2 cells,Nlrp6 overexpression significantly inhibited lipid deposition and cell proliferation,whereas Nlrp6 knockdown produced the opposite effects.Nlrp6 overexpression strongly suppressed the expression of lipid synthesis-related genes,promoted AMPK phosphorylation,and inhibited Srebp1c expression.The mice with liver-specific Nlrp6 knockout and high-fat feeding showed increased hepatic steatosis,collagen deposition,and AFP expression with reduced AMPK phosphorylation and increased Srebp1c expression.Conclusion Nlrp6 overexpression inhibits lipid synthesis in HCC cells by regulating the AMPK-Srebp1c axis,which might be a key pathway for suppressing HCC cell proliferation.
7.Epidemiological characteristics of hand, foot, and mouth disease in Haishu District from 2011 to 2022
XIAO Wenqiang ; BAO Kaifang ; LI Baojun ; ZHANG Yanwu ; TONG Siwei ; CHEN Yi
Journal of Preventive Medicine 2024;36(11):976-979
Objective:
To investigate the epidemiological characteristics of hand, foot, and mouth disease (HFMD) in Haishu District, Ningbo City, Zhejiang Province from 2011 to 2022, so as to provide the basis for the formulation of HFMD prevention and control strategies.
Methods:
Data of HFMD in Haishu District from 2011 to 2022 were collected from Chinese Disease Prevention and Control Information System, and the epidemiological and etiological characteristics were analyzed using a descriptive epidemiological method. The trends in incidence of HFMD and prevalence of positive etiological tests were analyzed using annual percent change (APC).
Results:
A total of 33 334 cases of HFMD were reported in Haishu District from 2011 to 2022, with an average annual reported incidence of 279.16/105, showing no significant trend (APC=-5.492%, P>0.05). The average annual reported incidence of HFMD was lower after the enterovirus 71 vaccine was launched (from 2017 to 2022) than before (from 2011 to 2016; 219.69/105 vs. 343.70/105, P<0.05). The incidence of HFMD showed seasonal characteristics, with a peak from May to July. There were 19 720 male and 13 614 female cases, with a male-to-female ratio of 1.45∶1. The age of the HFMD cases ranged from 27 days to 63 years old, and the children aged 5 years and below were predominant (30 657 cases, 91.97%). A total of 1 976 specimens of HFMD cases were collected from 2011 to 2022, and 1 509 enterovirus positive specimens were detected, with a positive rate of 76.37%. The positive rates of enterovirus 71 decreased (APC=-32.599%, P<0.05), the positive rates of coxsackievirus A16 increased (APC=9.226%, P<0.05), while the positive rates of other enteroviruses showed no significant change (APC=0.808%, P>0.05).
Conclusions
The average annual reported incidence of HFMD in Haishu District from 2011 to 2022 decreased after the enterovirus 71 vaccine was launched, with a peak in spring and summer. Children aged 5 years and below were the high-incidence population, and coxsackievirus A16 was the main serotype.
8.Application effect of"three-station"teaching rounds in standardized training of general surgery resi-dents
Long ZHANG ; Wenqiang FAN ; Fangyan LIU ; Haipu WANG ; Yuhou SHEN ; Aimin YUE
Modern Hospital 2024;24(6):977-980
Objective To explore the application effect of"three-station"teaching rounds in standardized training teach-ing rounds of general surgery residents.Methods 50 trained doctors from the general surgical base from July 2022 to July 2023 were randomly selected and divided into two groups,with 25 patients in each.The observation group used a"three-station"teaching ward round,while the control group used a traditional teaching ward round mode.The exam scores,ward round effects,satisfaction,and experience were compared.Results The total scores of the observation group were significantly higher than those of the control group(P<0.05),and the scores of the medical history collection and physical examination in the case anal-ysis test and skill test were significantly higher than those of the control group(P<0.05).There was no significant difference in the theoretical test scores between the two groups(P>0.05).The proportion of"Yes"in the questionnaire of the observation group was higher than that of the control group in the aspects of improving the diagnosis and treatment of diseases,clinical think-ing,doctor-patient communication ability and increasing learning interest(P<0.05).The satisfaction of questionnaire teaching round in the observation group was 84.0%,significantly higher than that in the control group(60.0%)(P<0.05).In the observation group,the percentages of the attending physicians and the teaching rounds were 64.0%and 68.0%,respectively,which were significantly higher than those of the control group(28.0%and 32.0%,P<0.05).Conclusion The"three-sta-tion"teaching ward round can improve the exam scores,ward round effectiveness and satisfaction,improve the experience of attending physicians and teaching ward round subjects,and is worth promoting in various resident training bases.
9.Effect of very-long-chain saturated fatty acids on Tau protein phosphorylation and membrane fluidity in human neuroblastoma cells
Ruoxi WANG ; Junjie LIU ; Lei YANG ; Wei ZHANG ; Wenqiang LI ; Ruling SHI
Journal of Xinxiang Medical College 2024;41(10):919-924
Objective To investigate the effect of very-long-chain saturated fatty acids on Tau protein phosphorylation and membrane fluidity in human neuroblastoma SH-SY5Y cells,and to explore its role in the pathogenesis of Alzheimer's disease(AD).Methods Human neuroblastoma SH-SY5Y cells in logarithmic growth phase were randomly divided into control group,C22∶0 group,and C24:0 group.Cells in the control group were routinely cultured,while cells in the C22:0 and C24:0 groups were treated with culture medium containing 10 μmol·L-1very-long-chain saturated fatty acids C22:0 and C24:0,respectively.After 24 hours of incubation,cells were collected.The expression levels of total Tau protein,phosphorylated Tau protein at serine 396 site(p-Tau-ser396),glycogen synthase kinase 3β(GSK-3β),and phosphorylated GSK-3 β protein at serine 9 site(p-GSK-3β-Ser9)in cells of each group were detected by using Western blot.The malondialdehyde(MDA)level in cells of each group was determined by using the thiobarbituric acid method.The fluorescence recovery rate and diffusion coefficient of cell membranes were measured by using fluorescence recovery after photobleaching technique,and the fluidity of cell membranes was evaluated.Results The total Tau protein level in SH-SY5Y cells showed no statistically significant difference among the three groups(F=1.807,P>0.05).However,there was a statistically significant difference in the level of p-Tau-ser396 in SH-SY5Y cells among the three groups(F=18.397,P<0.05).Specifically,the level of p-Tau-ser396 in SH-SY5Y cells in the C22:0 and C24:0 groups was significantly higher than that in the control group(P<0.05),and the level of p-Tau-ser396 in SH-SY5Y cells in the C24:0 group was significantly higher than that in the C22:0 group(P<0.05).There was no statistically significant difference in the GSK-3 β protein level in SH-SY5Y cells among the three groups(F=0.351,P>0.05).However,there was a statistically significant difference in the level of p-GSK-3β-Ser9 in SH-SY5Y cells among the three groups(F=13.330,P<0.05).Specifically,the level of p-GSK-3β-ser9 in SH-SY5Y cells in the C22:0 and C24:0 groups was significantly lower than that in the control group(P<0.05),and there was no statistically significant difference in the level of p-GSK-3β-ser9 in SH-SY5Y cells between the C22:0 group and C24:0 group(P>0.05).The MDA level in SH-SY5Y cells in the C24:0 group was significantly higher than that in the control group and C22:0 group(P<0.05);there was no statistically significant difference in the MDA level in SH-SY5Y cells between the control group and C22:0 group(P>0.05).The fluorescence recovery rate and diffusion coefficient of SH-SY5Y cells in the C22:0 and C24:0 groups showed a decreasing trend compared to the control group,but there was no statistically significant difference in the fluorescence recovery rate and diffusion coefficient of SH-SY5Y cells among the three groups(F=3.891,3.649,P>0.05).Conclusion Very-long-chain saturated fatty acids C22:0 and C24:0 can promote hyperphosphorylation of Tau protein,induce cellular oxidative damage,and tend to reduce the fluidity cell membranes.Very-long-chain saturated fatty acids may be one of the factors that cause the onset of AD.
10.Neural substrates for regulating self-grooming behavior in rodents
LI GUANQING ; LU CHANYI ; YIN MIAOMIAO ; WANG PENG ; ZHANG PENGBO ; WU JIALIANG ; WANG WENQIANG ; WANG DING ; WANG MENGYUE ; LIU JIAHAN ; LIN XINGHAN ; ZHANG JIAN-XU ; WANG ZHENSHAN ; YU YIQUN ; ZHANG YUN-FENG
Journal of Zhejiang University. Science. B 2024;25(10):841-856
Grooming,as an evolutionarily conserved repetitive behavior,is common in various animals,including humans,and serves essential functions including,but not limited to,hygiene maintenance,thermoregulation,de-arousal,stress reduction,and social behaviors.In rodents,grooming involves a patterned and sequenced structure,known as the syntactic chain with four phases that comprise repeated stereotyped movements happening in a cephalocaudal progression style,beginning from the nose to the face,to the head,and finally ending with body licking.The context-dependent occurrence of grooming behavior indicates its adaptive significance.This review briefly summarizes the neural substrates responsible for rodent grooming behavior and explores its relevance in rodent models of neuropsychiatric disorders and neurodegenerative diseases with aberrant grooming phenotypes.We further emphasize the utility of rodent grooming as a reliable measure of repetitive behavior in neuropsychiatric models,holding promise for translational psychiatry.Herein,we mainly focus on rodent self-grooming.Allogrooming(grooming being applied on one animal by its conspecifics via licking or carefully nibbling)and heterogrooming(a form of grooming behavior directing towards another animal,which occurs in other contexts,such as maternal,sexual,aggressive,or social behaviors)are not covered due to space constraints.


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