1.Silicon dioxide regulates macrophage CCL22 secretion via Raf/ERK-SP1 signaling axis and its effect on pulmonary epithelial cell fibrosis
Jingzhi AN ; Jing WU ; Jialunbieke PAREYIZA ; Jiawei ZHOU ; Jianqiang GUO ; Anqi CHENG ; Ying BAI ; Dong HU
Journal of Environmental and Occupational Medicine 2026;43(6):717-729
Background Silicosis is a fatal form of pulmonary fibrosis caused by the inhalation of silica dust. Although the underlying pathogenesis remains unclear, and the macrophage-mediated immune response plays a central role in its development. Objective To investigate the expression, functional role, and upstream regulatory mechanism of C-C motif chemokine ligand 22 (CCL22) in silica-induced pulmonary fibrosis. Methods Through bioinformatics analysis, we identified CCL22 as a potential key factor in pulmonary fibrosis. We established in vitro models by stimulating human monocytic leukemia cells (THP-1) and peripheral blood mononuclear cell-derived macrophages (PBMC-m) with crystalline silica (CS). The regulation of CCL22 expression by CS was validated using quantitative real-time polymerase chain reaction (qRT-PCR) and enzyme-linked immunosorbent assay (ELISA). Subsequently, a conditioned co-culture system comprising macrophages and lung epithelial cells (BEAS-2B) was developed to evaluate the effects of CCL22 on lung epithelial cell function. Furthermore, the molecular mechanisms underlying CS-induced CCL22 secretion by macrophages were investigated using bioinformatics analysis, Western blot, specific inhibitors, qRT-PCR, and ELISA. Results Bioinformatics analysis identified CCL22 as a key upregulated molecule in pulmonary fibrosis. In vitro experiments confirmed that CS treatment significantly enhanced CCL22 mRNA transcription and protein secretion in THP-1 and PBMC-m cells (P<0. 0001). In the co-culture system, supernatant from CS-stimulated macrophages with stable CCL22 knockdown significantly inhibited the scratch-healing ability and fibrotic process of BEAS-2B cells, and reversed the epithelial-mesenchymal transition (EMT) phenotype compared to the control group. Mechanism studies found that, compared to other transcription factors such as signal transducer and activator of transcription 3 (STAT3) and nuclear factor-κB (NF-κB), the inhibition of of specific protein 1 (SP1) most significantly attenuated the CS-induced upregulation of CCL22. Furthermore, pathway inhibition experiments demonstrated that inhibiting extracellular signal-regulated kinase (ERK) reduced both CCL22 expression and p-SP1. Conversely, SP1 intervention did not affect ERK activation. Conclusion CS promotes CCL22 secretion by macrophages through the Raf/ERK-Sp1 signaling pathway, thereby driving fibrotic changes in pulmonary epithelial cells.
2.Comorbid chronic diseases among advanced schistosomiasis patients in Suzhou City
Qianwen SHI ; Yihe HU ; Jingzhi WU ; Ningbin DAI
Chinese Journal of Schistosomiasis Control 2026;38(3):293-298
Objective To investigate the prevalence of comorbid chronic diseases among advanced schistosomiasis patients in Suzhou City, so as to provide insights into formulation of the scheme for medical assistance management of advanced schistosomiasis patients. Methods All data pertaining to survival advanced schistosomiasis patients in Suzhou City were retrieved from the Information Management Platform of Schistosomiasis (Parasitic Diseases) in Jiangsu Province as of August 19, 2024. These patients' outpatient and inpatient records from January 1, 2017, to August 19, 2024, were collected through Suzhou Municipal Health Statistics Information Center. The prevalence of comorbid chronic diseases was analyzed, and the comorbid patterns of chronic diseases were identified using cluster analysis. Results A total of 1 868 advanced schistosomiasis patients were enrolled in Suzhou City, with a mean age of (79.20 ± 7.17) years, and the median types of prevalent comorbid chronic diseases was 5 (interquartile range, 5). The mean age [(80.13 ± 7.09) years vs. (77.49 ± 7.02) years; t = 7.70, P < 0.001] and median types of prevalent comorbid chronic diseases [5 (interquartile range, 4) vs. 4 (interquartile range, 5); Z = 436 745, P < 0.001] were both higher among female advanced schistosomiasis patients than among male cases. The prevalence of comorbid chronic diseases was 84.96% (1 587/1 868) among advanced schistosomiasis patients in Suzhou City, and the prevalence was higher among female cases than among male cases [86.58%, (1 052/1 215) vs. 81.93% (535/653); χ2 = 7.20, P = 0.007]. The prevalence of comorbid chronic diseases appeared a tendency towards a rise with age among male advanced schistosomiasis patients (χ2trend = 7.63, P = 0.006) and a decline among female patients (χ2trend = 10.59, P = 0.001). The prevalence of comorbid chronic diseases was higher among female advanced schistosomiasis patients at ages of 70 to 80 years than among male cases at the same age group [90.18% (459/509) vs. 80.61% (266/330); χ2 = 14.81, P < 0.001]. The three most common comorbid chronic diseases included hypertension (67.83%), chronic gastric disorders (57.28%) and heart disease (44.00%) among advanced schistosomiasis patients in Suzhou City. The comorbidity rates of chronic gastric diseases (χ2 = 5.33, P < 0.05), heart diseases (χ2 = 4.15, P < 0.05), stroke (χ2 = 10.68, P < 0.05), arthritis or rheumatic disease (χ2 = 7.13, P < 0.05), osteoporosis (χ2 = 39.51, P < 0.05), and memory-related diseases (χ2 = 7.00, P < 0.05) were higher among female advanced schistosomiasis patients than among male cases, and the comorbidity rate of malignant tumors was higher among male cases than among female cases (10.26% vs. 7.41%; χ2 = 4.13, P = 0.042). The cluster dendrogram showed that advanced schistosomiasis patients' comorbid chronic diseases in Suzhou City were mainly divided into three clusters: (1) hypertension, chronic gastric diseases; (2) chronic pulmonary diseases, arthritis or rheumatic diseases, osteoporosis, chronic liver diseases, heart diseases, and stroke; and (3) diabetes, sleep disorders, gallbladder diseases, over-weight and obesity, atopic dermatitis, chronic kidney diseases, mental and psychological diseases, malignant tumors, asthma, and memory-related diseases. Conclusions There are multiple types of comorbid chronic diseases among advanced schistosomiasis patients in Suzhou City, with high prevalence, which necessitates the implementation of effective preventive measures and interventions targeting comorbid chronic diseases among advanced schistosomiasis patients.
3.Application of nursing interventions based on self-efficacy theory in patients with primary glaucoma undergoing scleral flap suture trabeculectomy
Miao WANG ; Ling ZHANG ; Jingzhi SHAO ; Xiaohua WU
Chinese Journal of Modern Nursing 2025;31(20):2759-2762
Objective:To evaluate the effectiveness of nursing interventions based on self-efficacy theory in patients with primary glaucoma undergoing scleral flap suture trabeculectomy.Methods:A convenience sampling method was used to select 350 patients with primary glaucoma undergoing scleral flap suture trabeculectomy admitted to the Department of Ophthalmology at the First Affiliated Hospital of Zhengzhou University from October 2021 to December 2023. Participants were randomly divided into a control group ( n=175) and an intervention group ( n=175) using a random number table. The control group received routine nursing care, while the intervention group received nursing interventions based on self-efficacy theory for a duration of three months. Visual status (visual acuity and intraocular pressure), self-management behaviors, and vision-related quality of life were compared between the two groups before and after the intervention. Results:After the intervention, the intervention group had significantly better visual acuity and lower intraocular pressure compared to the control group (both P<0.05). Scores across all dimensions of the Glaucoma Self-Management Questionnaire were significantly higher in the intervention group than in the control group, while scores on the 25-item National Eye Institute Visual Function Questionnaire were significantly lower (both P<0.05) . Conclusions:Nursing interventions based on self-efficacy theory are effective in improving visual acuity and reducing intraocular pressure, enhancing self-management behaviors, and improving vision-related quality of life in patients with primary glaucoma undergoing scleral flap suture trabeculectomy.
4.Application of PLIBEL and REBA for identifying and assessing the risk of work-related musculoskeletal disorders among medical staff
Tongsu ZHANG ; Ruijie LING ; Jingzhi SUN ; Zhongxu WANG ; Ning JIA ; Chuansha WU ; Yan YANG ; Fei LIU ; Hong YIN
China Occupational Medicine 2025;52(6):618-623
Objective To identify potential ergonomic risk factors of works and quickly assess their risks of developing work-related musculoskeletal disorders (WMSDs) in the medical staff. Methods A total of 188 medical staff were selected as the research objects using a two-stage random sampling method. The method for the identification of musculoskeletal stress factors (PLIBEL) was used to analyze the adverse ergonomic factors in the work process, and the rapid entire body assessment (REBA) was used to quickly assess the whole-body posture load. Results The PLIBEL assessment results showed that various adverse ergonomic factors affected different parts of the body during the work process of medical staff. Specifically, 18 adverse ergonomic factors were identified in the neck, shoulders, and upper back, while 10 adverse ergonomic factors were identified in the elbow, forearm, hand, and lower back. Rehabilitation therapists and nurses engaged in patient handling in general wards and medication preparation and blood collection were exposed to ≥35 adverse ergonomic factors. The REBA assessment showed that the REBA score was 3-12 points for medical staff during their work process. Rehabilitation therapists were classified as having an extremely high ergonomic risk. High-risk occupations included ward housekeeping nurses, surgery assistant nurses, operating-room instrument nurses, and surgeons. Medium-risk occupations included general ward nurses (medication preparation and blood collection, venipuncture/infusion, and patient handling), intensive care unit (ICU) nurses, internal medicine residents, and dentists. Low-risk occupations included administrative front-desk nurses, outpatient internal medicine physicians, and technicians/physicians in ultrasonography, laboratory medicine, physical examination, and occupational health departments. Conclusion Adverse ergonomic factors of medical staff predominantly affect the neck, shoulders, upper back, elbows, forearms, hands, and the lower back during the work process. Rehabilitation therapists, ward housekeeping nurses, ICU nurses, operating-room instrument nurses, and surgeons are high-risk groups for WMSDs. Attention should be paid to the management and control of adverse ergonomic factors for medical staff to prevent the occurrence of WMSDs.
5.Expert consensus on apical microsurgery.
Hanguo WANG ; Xin XU ; Zhuan BIAN ; Jingping LIANG ; Zhi CHEN ; Benxiang HOU ; Lihong QIU ; Wenxia CHEN ; Xi WEI ; Kaijin HU ; Qintao WANG ; Zuhua WANG ; Jiyao LI ; Dingming HUANG ; Xiaoyan WANG ; Zhengwei HUANG ; Liuyan MENG ; Chen ZHANG ; Fangfang XIE ; Di YANG ; Jinhua YU ; Jin ZHAO ; Yihuai PAN ; Shuang PAN ; Deqin YANG ; Weidong NIU ; Qi ZHANG ; Shuli DENG ; Jingzhi MA ; Xiuping MENG ; Jian YANG ; Jiayuan WU ; Yi DU ; Junqi LING ; Lin YUE ; Xuedong ZHOU ; Qing YU
International Journal of Oral Science 2025;17(1):2-2
Apical microsurgery is accurate and minimally invasive, produces few complications, and has a success rate of more than 90%. However, due to the lack of awareness and understanding of apical microsurgery by dental general practitioners and even endodontists, many clinical problems remain to be overcome. The consensus has gathered well-known domestic experts to hold a series of special discussions and reached the consensus. This document specifies the indications, contraindications, preoperative preparations, operational procedures, complication prevention measures, and efficacy evaluation of apical microsurgery and is applicable to dentists who perform apical microsurgery after systematic training.
Microsurgery/standards*
;
Humans
;
Apicoectomy
;
Contraindications, Procedure
;
Tooth Apex/diagnostic imaging*
;
Postoperative Complications/prevention & control*
;
Consensus
;
Treatment Outcome
6.Expert consensus on intentional tooth replantation.
Zhengmei LIN ; Dingming HUANG ; Shuheng HUANG ; Zhi CHEN ; Qing YU ; Benxiang HOU ; Lihong QIU ; Wenxia CHEN ; Jiyao LI ; Xiaoyan WANG ; Zhengwei HUANG ; Jinhua YU ; Jin ZHAO ; Yihuai PAN ; Shuang PAN ; Deqin YANG ; Weidong NIU ; Qi ZHANG ; Shuli DENG ; Jingzhi MA ; Xiuping MENG ; Jian YANG ; Jiayuan WU ; Lan ZHANG ; Jin ZHANG ; Xiaoli XIE ; Jinpu CHU ; Kehua QUE ; Xuejun GE ; Xiaojing HUANG ; Zhe MA ; Lin YUE ; Xuedong ZHOU ; Junqi LING
International Journal of Oral Science 2025;17(1):16-16
Intentional tooth replantation (ITR) is an advanced treatment modality and the procedure of last resort for preserving teeth with inaccessible endodontic or resorptive lesions. ITR is defined as the deliberate extraction of a tooth; evaluation of the root surface, endodontic manipulation, and repair; and placement of the tooth back into its original socket. Case reports, case series, cohort studies, and randomized controlled trials have demonstrated the efficacy of ITR in the retention of natural teeth that are untreatable or difficult to manage with root canal treatment or endodontic microsurgery. However, variations in clinical protocols for ITR exist due to the empirical nature of the original protocols and rapid advancements in the field of oral biology and dental materials. This heterogeneity in protocols may cause confusion among dental practitioners; therefore, guidelines and considerations for ITR should be explicated. This expert consensus discusses the biological foundation of ITR, the available clinical protocols and current status of ITR in treating teeth with refractory apical periodontitis or anatomical aberration, and the main complications of this treatment, aiming to refine the clinical management of ITR in accordance with the progress of basic research and clinical studies; the findings suggest that ITR may become a more consistent evidence-based option in dental treatment.
Humans
;
Tooth Replantation/methods*
;
Consensus
;
Periapical Periodontitis/surgery*
7.Application of nursing interventions based on self-efficacy theory in patients with primary glaucoma undergoing scleral flap suture trabeculectomy
Miao WANG ; Ling ZHANG ; Jingzhi SHAO ; Xiaohua WU
Chinese Journal of Modern Nursing 2025;31(20):2759-2762
Objective:To evaluate the effectiveness of nursing interventions based on self-efficacy theory in patients with primary glaucoma undergoing scleral flap suture trabeculectomy.Methods:A convenience sampling method was used to select 350 patients with primary glaucoma undergoing scleral flap suture trabeculectomy admitted to the Department of Ophthalmology at the First Affiliated Hospital of Zhengzhou University from October 2021 to December 2023. Participants were randomly divided into a control group ( n=175) and an intervention group ( n=175) using a random number table. The control group received routine nursing care, while the intervention group received nursing interventions based on self-efficacy theory for a duration of three months. Visual status (visual acuity and intraocular pressure), self-management behaviors, and vision-related quality of life were compared between the two groups before and after the intervention. Results:After the intervention, the intervention group had significantly better visual acuity and lower intraocular pressure compared to the control group (both P<0.05). Scores across all dimensions of the Glaucoma Self-Management Questionnaire were significantly higher in the intervention group than in the control group, while scores on the 25-item National Eye Institute Visual Function Questionnaire were significantly lower (both P<0.05) . Conclusions:Nursing interventions based on self-efficacy theory are effective in improving visual acuity and reducing intraocular pressure, enhancing self-management behaviors, and improving vision-related quality of life in patients with primary glaucoma undergoing scleral flap suture trabeculectomy.
8.Spatio-temporal distribution characteristics of Oncomelania hupensis snails spread in Suzhou City of Jiangsu Province from 2016 to 2023
Qianwen SHI ; Ling’e SHEN ; Jing ZHOU ; Jingzhi WU
Chinese Journal of Schistosomiasis Control 2024;36(6):577-583
Objective To investigate the Oncomelania hupensis snails spread and its spatio-temporal clustering characteristics in Suzhou City, Jiangsu Province from 2016 to 2023, so as to provide insights into precision control of O. hupensis snails in the City. Methods O. hupensis snail surveillance data in Suzhou City from 2016 to 2023 were collected, and the areas of O. hupensis snail spread and areas of emerging and re-emerging snail habitats were retrieved. The spatial distribution characteristics and clustering types and locations of environments with O. hupensis snail spread were investigated using global and local spatial auto correlation analyses with the software ArcGIS 10.7, and the clustering and cluster areas of O. hupensis snail spread were identified in Suzhou City using spatio-temporal scans with the software SaTScan 10.0.2. Results O. hupensis snail spread covered an area of 677 171 m2 in Suzhou City from 2016 to 2023, including 376 230 m2 emerging snail habitats and 300 941 m2 re-emerging snail habitats. Global spatial autocorrelation analysis showed overall clustering of O. hupensis snail spread in Suzhou City from 2016 to 2023 (Moran’s I = 0.066, P = 0.007), and there were spatial clustering of areas with O. hupensis snail spread in 2019 (Moran’s I = 0.086, P = 0.001) and 2021 (Moran’s I = 0.045, P = 0.003). Local spatial autocorrelation analysis showed clusters of O. hupensis snail spread in Suzhou City from 2016 to 2023, with high-high clusters in Guangfu Township and Dongzhu Street, and the high-high clusters of O. hupensis snail spread were mainly distributed in southwestern Suzhou City. Spatio-temporal scans identified two clusters of areas with O. hupensis snail spread and areas of re-emerging snail habitats in Suzhou City from 2016 to 2023, with large clustering areas found in Guangfu Township, Dongzhu Street, Tong’an Township and Wangting Township [relative risk (RR) = 22.34, log likelihood ratio (LLR) = 163 295.32, P < 0.001] and small clustering areas in Xukou Township, Mudu Township and Xiangshan Street (RR = 2.73, LLR = 921.92, P < 0.001). Conclusions There was spatial clustering of O. hupensis snail spread in Suzhou City from 2016 to 2023. Improved quality of O. hupensis snail control and intensified management of environments at a high risk of O. hupensis snail spread are recommended in Suzhou City.
9.Prospective Cohort Investigation on Physical Activity of Osteoporosis Outcomes (PAOPO) in Jidong:Objectives,Study Design,and Baseline Characteristics
Yang JINGZHI ; Shen HAO ; Wang SICHENG ; Bai LONG ; Geng ZHEN ; Jing YINGYING ; Xu KE ; Liu YUHE ; Wu WENQIAN ; Zhang HAO ; Zhang YUANWEI ; Li ZUHAO ; Wang CHUANDONG ; Wang GUANGCHAO ; Chen XIAO ; Su JIACAN
Biomedical and Environmental Sciences 2024;37(9):1067-1079
Objective The aim of this study was to investigate the prospective association between physical activity (PA),independently or in conjunction with other contributing factors,and osteoporosis (OP) outcomes. Methods The Physical Activity in Osteoporosis Outcomes (PAOPO) study was a community-based cohort investigation. A structured questionnaire was used to gather the participants' sociodemographic characteristics. Bone mineral density (BMD) measurements were performed to assess OP outcomes,and the relationship between BMD and OP was evaluated within this cohort. Results From 2013 to 2014,8,471 participants aged 18 years and older were recruited from Tangshan,China's Jidong community. Based on their PA level,participants were categorized as inactive,moderately active,or very active. Men showed higher physical exercise levels than women across the activity groups. BMD was significantly higher in the very active group than in the moderately active and inactive groups. Individuals aged>50 years are at a higher risk of developing OP and osteopenia. Conclusion The PAOPO study offers promising insights into the relationship between PA and OP outcomes,encouraging the implementation of PA in preventing and managing OP.
10.Effects of N-carbamylglutamic on growth performance,blood biochemistry,antiox-idant indicators and meat quality of meat rabbits
Xin YE ; Yingchun SHEN ; Mengdi XUE ; Xiuju WU ; Jing LI ; Jingzhi LYU
Chinese Journal of Veterinary Science 2024;44(9):2055-2062
To reveal the effects of N-carbamylglutamic(NCG)on growth performance,blood pa-rameters and meat quality of meat rabbits,192 Hyla rabbits at 35 days of age were assigned to four groups randomly with 0.00%,0.05%,0.10%,and 0.20%NCG added to the basal diet,with six replicates of eight rabbits in each group and one replicate of eight rabbits.The results indicated that:compared to the control group,the body weight of the 0.20%NCG group at d 35(P<0.01),the BW at d 14 and the average daily gain(ADG)from d 1 to 14 in the 0.05%NCG group(P<0.05)were significantly elevated;the ADG of the control group from d 1 to 35 was significantly lower than the 0.10%and 0.20%NCG groups(P<0.05).The levels of total superoxide dismutase(T-SOD)in the 0.10%NCG group(P<0.01),total antioxidant capacity(T-AOC)and urea nitro-gen(BUN)in the 0.20%NCG group(P<0.05)were significantly higher compared to the control group;the levels of T-SOD in the 0.10%NCG group were significantly elevated compared to the 0.05%NCG group(P<0.05).NCG significantly increased polyunsaturated fatty acids(PUFA)and PUFA/SFA(P<0.05).The cooked meat rate of the longissimus lumborum in the 0.20%NCG group was significantly increased compared to the control group(P<0.01),while the water holding rate of the longissimus lumborum increased significantly in the 0.10%NCG groups(P<0.01)and the control group(P<0.05)and 0.05%NCG group(P<0.05)than the 0.20%NCG group.NCG significantly reduced the crypts depth(P<0.01)and had the tendency to in-crease the V/C value(P=0.067),while the villi height of jejunal in the 0.20%NCG group was significantly elevated compared to the control group(P<0.05).In conclusion,NCG could promote the growth performance,enhance the antioxidant capacity,and improve the intestinal morphology and meat quality of meat rabbits.The appropriate amount of NCG added to meat rabbit diet is 0.10%.

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