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Relationships between blood chromium exposure and liver injury:Exploring the mediating role of systemic inflammation in a chromate-exposed population

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Journal of environmental Sciences 2024年第9期143卷 224-234页

作者： Zekang Su Yali Zhang Shiyi Hong Qiaojian Zhang Jiayu Xu Guiping Hu Xiaojun Zhu Fang Yuan Shanfa Yu Tianchen Wang Guang Jia department of occupational and environmental Health Sciences School of Public HealthPeking UniversityBeijing 100191China School of Engineering medicine and Beijing Advanced Innovation Center for Big Data-Based Precision medicine Beihang UniversityBeijing 100191China National Center for occupational Safety and Health Beijing 102308China department of occupational Health and Radiological Health Chongqing Centers for Disease Control and PreventionChongqing 400042China Henan institute for occupational medicine Zhengzhou 450052China department of Clinical Laboratory Third Hospital of Peking UniversityBeijing 100191China

Hexavalent chromium and its compounds are prevalent pollutants,especially in the work environment,pose a significant risk for multisystem toxicity and *** it is known that chromium accumulation in the liver can cause damage,the dose-response relationship between blood chromium(Cr)and liver injury,as well as the possible potential toxic mechanisms involved,remains poorly *** address this,we conducted a follow-up study of 590 visits from 305 participants to investigate the associations of blood Cr with biomarkers for liver injury,including serum alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TBIL),and direct bilirubin(DBIL),and to evaluate the mediating effects of systemic ***(PLT)and the platelet-to-lymphocyte ratio(PLR)were utilized as biomarkers of systemic *** the linear mixed-effects analyses,each 1-unit increase in blood Cr level was associated with estimated effect percentage increases of 0.82%(0.11%,1.53%)in TBIL,1.67%(0.06%,3.28%)in DBIL,0.73%(0.04%,1.43%)in ALT and 2.08%(0.29%,3.87%)in AST,***,PLT mediated 10.04%,11.35%,and 10.77%increases in TBIL,DBIL,and ALT levels induced by chromate,*** addition,PLR mediated 8.26%and 15.58%of the association between blood Cr and TBIL or *** findings shed light on the mechanisms underlying blood Cr-induced liver injury,which is partly due to worsening systemic inflammation.

关键词： Blood chromate Liver injury Systemic inflammation Mediation analysis

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Low skeletal muscle mass and high visceral adiposity are associated with recurrence of acute cholecystitis after conservative management:A propensity score-matched cohort study

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Hepatobiliary & Pancreatic Diseases International 2024年第1期23卷 64-70页

作者： Yudai Koya Michihiko Shibata Yuki Maruno Yoshitaka Sakamoto Shinji Oe Koichiro Miyagawa Yuichi Honma Masaru Harada department of Gastroenterology Kyushu Rosai HospitalMoji Medical Center3-1 HigashiminatomachiMoji-kuKitakyushu 801-8502Japan Third department of Internal medicine School of MedicineUniversity of Occupational and Environmental HealthKitakyushu 807-8555Japan department of Surgery Kyushu Rosai Hospital Moji Medical CenterKitakyushu 801-8502Japan

Background:Recurrent acute cholecystitis(RAC)can occur after non-surgical treatment for acute cholecystitis(AC),and can be more severe in comparison to the first episode of *** skeletal muscle mass or adiposity have various effects in several *** aimed to clarify the relationship between RAC and body ***:Patients with AC who were treated at our hospital between January 2011 and March 2022 were *** psoas muscle mass and adipose tissue area at the third lumbar level were measured using computed tomography at the first episode of *** areas were divided by height to obtain the psoas muscle mass index(PMI)and subcutaneous/visceral adipose tissue index(SATI/VATI).According to median VATI,SATI and PMI values by sex,patients were divided into the high and low PMI *** performed propensity score matching to eliminate the baseline differences between the high PMI and low PMI groups and analyzed the cumulative incidence and predictors of ***:The entire cohort was divided into the high PMI(n=81)and low PMI(n=80)*** the propensity score-matched cohort there were 57 patients in each *** Kaplan-Meier analysis,the low PMI group and the high VATI group had a significantly higher cumulative incidence of RAC than their counterparts(log-rank P=0.001 and 0.015,respectively).In a multivariate Cox regression analysis,the hazard ratios of low PMI and low VATI for RAC were 5.250(95%confidence interval 1.083-25.450,P=0.039)and 0.158(95%confidence interval:0.026-0.937,P=0.042),***:Low skeletal muscle mass and high visceral adiposity were independent risk factors for RAC.

关键词： Acute cholecystitis Low skeletal muscle mass Recurrent acute cholecystitis Sarcopenia Visceral adiposity

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Beware of the serious harm of veterinary drug poisoning:a case report

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World Journal of Emergency medicine 2024年第2期15卷 153-155页

作者： Ping Dai Jin Sun Tongyue Zhang Zhiqiang Zhou Zixi Wen Tianzi Jian Aerbusili Genjiafu Baotian Kan Xiangdong Jian department of Poisoning and occupational Diseases Emergency MedicineQilu HospitalCheeloo College of MedicineShandong UniversityJinan 250012China Emergency department Affiliated the Jianhu Clinical Medical College of Yangzhou UniversityYancheng 224700China department of occupational and environmental Health School of Public HealthCheeloo College of MedicineShandong UniversityJinan 250012China School of Nursing and Rehabilitation Cheeloo College of MedicineShandong UniversityNursing Theory&Practice Innovation Research Center of Shandong UniversityJinan 250012China department of Geriatric medicine Qilu HospitalNursing Theory Innovation and Research Center of Shandong UniversityCheeloo College of MedicineShandong UniversityJinan 250012China

Veterinary drugs are substances(including pharmaceutical feed additives)used to prevent,treat,and diagnose diseases or regulate the physiological functions of *** drug poisoning in humans is relatively rare both in China and the rest of the ***,we report a case of death from veterinary drug poisoning from ***-closantel is a broad-spectrum antiparasitic drug,which has high efficacy against a variety of trematodes and nematodes.

关键词： drug drugs diseases

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Adverse effects of exposure to fine particles and ultrafine particles in the environment on different organs of organisms

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Journal of environmental Sciences 2024年第1期135卷 449-473页

作者： Jianwei Zhang Zhao Chen Dan Shan Yang Wu Yue Zhao Chen Li Yue Shu Xiaoyu Linghu Baiqi Wang department of occupational and environmental Health School of Public HealthTianjin Medical UniversityTianjin 300070China department of Medical Tianjin Stomatological HospitalSchool of MedicineNankai UniversityTianjin 300041China Tianjin Key Laboratory of Environment Nutrition and Public HealthTianjin 300070China National Demonstration Center for Experimental Preventive medicine Education(Tianjin Medical University) Tianjin 300070China

Particulate pollution is a global risk factor that seriously threatens human *** particles(FPs)and ultrafine particles(UFPs)have small particle diameters and large specific surface areas,which can easily adsorb metals,microorganisms and other *** and UFPs can enter the human body in multiple ways and can be easily and quickly absorbed by the cells,tissues and *** the body,the particles can induce oxidative stress,inflammatory response and apoptosis,furthermore causing great adverse *** studies mainly take the population as the research object to study the distribution of diseases and health conditions in a specific population and to focus on the identification of influencing ***,the mechanism by which a substance harms the health of organisms is mainly demonstrated through toxicological *** epidemiological studies with toxicological studies will provide a more systematic and comprehensive understanding of the impact of PM on the health of *** this review,the sources,compositions,and morphologies of FPs and UFPs are briefly introduced in the first *** effects and action mechanisms of exposure to FPs and UFPs on the heart,lungs,brain,liver,spleen,kidneys,pancreas,gastrointestinal tract,joints and reproductive system are systematically *** addition,challenges are further pointed out at the end of the *** work provides useful theoretical guidance and a strong experimental foundation for investigating and preventing the adverse effects of FPs and UFPs on human health.

关键词： Fine particles Ultrafine particles Organs Adverse effect

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Exosome-encapsulated lncRNA HOTAIRM1 contributes to PM_(2.5)-aggravated COPD airway remodeling by enhancing myofibroblast differentiation

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Science China(Life Sciences) 2024年第5期67卷 970-985页

作者： Huaqi Guo Luo Fei Hengyi Yu Yan Li Yan Feng Shaowei Wu Yan Wang The Ninth People’s Hospital of Shanghai Jiao Tong University School of medicine Shanghai 200011China School of Public Health Shanghai Jiao Tong University School of MedicineShanghai 200020China department of occupational and environmental Health Sciences School of Public HealthXi’an Jiao Tong University Health Science CenterXi’an 710049China

Emphysema,myofibroblast accumulation and airway remodeling can occur in the lungs due to exposure to atmospheric pollution,especially fine particulate matter(PM_(2.5)),leading to chronic obstructive pulmonary disease(COPD).Specifically,bronchial epithelium-fibroblast communication participates in airway remodeling,which results in *** increasing number of studies are now being conducted on the role of exosome-mediated cell-cell communication in disease ***,we investigated whether exosomes generated from bronchial epithelial cells could deliver information to normal stromal fibroblasts and provoke cellular responses,resulting in airway obstruction in *** studied the mechanism of exosome-mediated intercellular communication between human bronchial epithelial(HBE) cells and primary lung fibroblasts(pLFs).We found that PM_(2.5)-induced HBE-derived exosomes promoted myofibroblast differentiation in ***,the exosomal lncRNA expression profiles derived from PM_(2.5)-treated HBE cells and nontreated HBE cells were investigated using an Agilent Human LncRNA *** coculture assays and direct exosome treatment,we found that HBE cell-derived exosomal HOTAIRM1 facilitated the myofibroblast differentiation of ***,we discovered that exosomal HOTAIRM1 enhanced p LF proliferation to secrete excessive collagen secretion,leading to airway obstruction by stimulating the TGF-β/SMAD3 signaling ***,PM_(2.5)reduced FEV1/FVC and FEV1 and increased the level of serum exosomal HOTAIRM1 in healthy people;moreover,serum exosomal HOTAIRM1 was associated with PM_(2.5)-related reductions in FEV1/FVC and *** findings show that PM_(2.5)triggers alterations in exosome components and clarify that one of the paracrine mediators of myofibroblast differentiation is bronchial epithelial cell-derived HOTAIRM1,which has the potential to be an effective prevention and therapeutic target for PM_(2.5)-induced COPD.

关键词： PM2.5 exosomal lncRNAs HOTAIRM1 chronic obstructive pulmonary disease

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Prognostic Nutritional Index Associates with the Severity of Silicosis:A Study from a Tertiary Class A Prevention and Treatment institute for occupational Diseases in China

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Biomedical and environmental Sciences 2024年第1期37卷 122-126页

作者： HE La Gu LIANG Yun Lai YANG Lu Qi YUAN Hua Min Medical laboratory department Hunan Prevention and Treatment Institute for Occupational DiseasesChangsha 410000HunanChina Laboratory medicine department Xiangya HospitalCentral South UniversityChangsha 410013HunanChina

Pneumoconiosis is a group of heterogeneous fibrotic lung diseases caused by inorganic mineral dust and includes coal workers’pneumoconiosis and *** involves diffuse or nodular interstitial pulmonary fibrosis caused by exposure to asbestos or silica *** is thought to have the highest number of silicosis cases,with 6,000 new cases reported annually^([1]).Currently,the clinical diagnosis and monitoring of silicosis relies mainly on a history of occupational exposure and radiological abnormalities^([2]).Therefore,determining further indicators is crucial to reflect the severity of silicosis.

关键词： diagnosis lung diseases

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Myocardial metastasis from ZEB1-and TWIST-positive spindle cell carcinoma of the esophagus:A case report

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World Journal of Gastroenterology 2024年第11期30卷 1636-1643页

作者： Yoshihiro Shibata Hirofumi Ohmura Kazuki Komatsu Kosuke Sagara Atsuji Matsuyama Ryuji Nakano Eishi Baba department of Medical Oncology Fukuoka Wajiro HospitalFukuoka 811-0213Japan department of Oncology and Social medicine Kyushu University Graduate School of Medical SciencesFukuoka 812-8582Japan department of Pathology and Oncology University of Occupational and Environmental HealthKitakyushu 807-8555Japan department of Diagnostic Pathology Fukuoka Wajiro HospitalFukuoka 811-0213Japan

BACKGROUND Metastatic cardiac tumors are known to occur more frequently than primary cardiac tumors,however,they often remain asymptomatic and are commonly dis-covered on *** tumors with a relatively high frequency of cardiac metastasis include mesothelioma,melanoma,lung cancer,and breast cancer,whereas reports of esophageal cancer with cardiac metastasis are *** SUMMARY The case of a 60-year-old man who complained of dysphagia is *** gastrointestinal endoscopy showed a submucosal tumor-like elevated lesion in the esophagus causing ***-enhanced computed tomography showed left atrial compression due to the esophageal tumor,multiple liver and lung metastases,and a left pleural *** examination of a biopsy speci-men from the esophageal tumor showed spindle-shaped cells,raising suspicion of esophageal *** disease progressed rapidly,and systemic chemotherapy was deemed necessary,however,due to his poor general condition,adminis-tration of cytotoxic agents was considered *** his high Combined Positive Score,nivolumab was administered,however,the patient soon died from the *** autopsy confirmed spindle cell carcinoma(SCC)of the esophagus and cardiac metastasis with similar histological *** stem cell markers,ZEB1 and TWIST,were positive in both the primary tumor and the cardiac *** To the best of our knowledge,there have been no prior reports of cardiac metastasis of esophageal *** case highlights our experience with a patient with esophageal SCC who progressed rapidly and died from the disease,with the autopsy examination showing cardiac metastasis.

关键词： Spindle cell carcinoma Esophagus Myocardial metastasis Epithelial-mesenchymal transition Case report

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Predicting the Risk of Arterial Stiffness in Coal Miners Based on Different Machine Learning Models

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Biomedical and environmental Sciences 2024年第1期37卷 108-111页

作者： CHEN Qian Wei HUANG Xue Zan DING Yu ZHU Feng Ren WANG Jia ZOU Yuan Jie DU Yuan Zhen ZHANG Ya Jun HUI Zi Wen ZHU Feng Lin MU Min The Project was supported by Open Research Grant of Joint National-Local Engineering Research Centre for Safe and Precise Coal Mining Anhui University of Science and TechnologyHefei 232001AnhuiChina School of Public Health Anhui University of Science and TechnologyHefei 232001AnhuiChina Key Laboratory of Industrial Dust Prevention and Control Occupational Safety and HealthMinistry of EducationAnhui University of Science and TechnologyHefei 232001AnhuiChina Anhui institute of occupational Safety and Health Anhui University of Science and TechnologyHefei 232001AnhuiChina Joint Research Center of occupational medicine and Health Institute of Grand HealthHefei Comprehensive National Science CenterAnhui University of Science and TechnologyHefei 232001AnhuiChina department of occupational&environmental Health School of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030HubeiChina Key Laboratory of Environment and Health Ministry of Education&Ministry of Environmental Protectionand State Key Laboratory of Environmental Health(Incubating)School of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030HubeiChina

Coal is one of the world’s main energy resources,accounting for approximately 68%of China’s current total power ***,several studies have demonstrated that dust,exhaust fumes,and other harmful factors in coal mines increase the risk of cardiovascular disease(CVD)among miners^([1]).Arterial stiffness(AS)is an independent risk factor of CVD,and epidemiological studies have shown that AS plays a vital role in assessing the risk of CVD^([2]).

关键词： Arterial cardiovascular assessing

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Severe liver injury and clinical characteristics of occupational exposure to 2-amino-5-chloro-N,3-dimethylbenzamide: A case series

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Hepatobiliary & Pancreatic Diseases International 2024年第2期23卷 186-194页

作者： Meng-Xiao Feng Hua Zou Yuan-Qiang Lu department of Emergency medicine The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China Key Laboratory for Diagnosis and Treatment of Aging and Physic-chemical Injury Diseases of Zhejiang Province Hangzhou 310003China occupational Health and Radiation Protection institute Zhejiang Provincial Center for Disease Control and PreventionHangzhou 310051China

Background:The 2-amino-5-chloro-N,3-dimethylbenzamide is a key intermediate in the synthesis of pesticides and ***,no literature currently exists on 2-amino-5-chloro-N,3-dimethylbenzamide poisoning in *** study aimed to reveal the health hazard of this chemical for humans and summarize the clinical characteristics of patients with occupational 2-amino-5-chloro-N,3-dimethylbenzamide ***:This observational study included four patients with 2-amino-5-chloro-N,3-dimethylbenzamide poisoning from June 2022 to July *** entire course of the incidents was described in *** 2-amino-5-chloro-N,3-dimethylbenzamide concentrations were detected by a mass ***-toxylin and eosin staining was performed to assess liver injury,and immunofluorescence was used to evaluate hepatic ***:The 2-amino-5-chloro-N,3-dimethylbenzamide powder(99%purity)entered the human body mainly via the skin and respiratory tract due to poor personal protective *** typical course of 2-amino-5-chloro-N,3-dimethylbenzamide poisoning was divided into latency,rash,fever,organic dam-age,and recovery phases in accordance with the clinical *** and fever may be the important premonitory symptoms for further organ *** chemical was detected in the blood of all patients and caused multiple organ injuries,predominantly liver injury,including kidney,myocardium,and *** patients recovered smoothly after comprehensive treatments,including artificial liver therapy,continuous renal replacement therapy,glucocorticoids,and other symptomatic and supportive *** patient survived by liver *** postoperative pathological findings of the removed liver showed acute liver failure,and immunofluorescence staining confirmed the abundance of mitophagy in residual ***:This study is the first to elaborate the clinical characteristics of patients with 2-amino-5-chloro-N,

关键词： 2-amino-5-chloro-N,3-dimethylbenzamide Poisoning Clinical characteristics Liver injury

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Cytochrome P45026A1 Contributes to the Maintenance of Neuropathic Pain

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Neuroscience Bulletin 2024年第3期40卷 293-309页

作者： De-Li Cao Ling-Jie Ma Bao-Chun Jiang Qiang Gu Yong-Jing Gao institute of Pain medicine and Special environmental medicine Co-innovation Center of NeuroregenerationNantong UniversityNantong226019China Nantong University Medical School Nantong226001China department of Pain Management The Affiliated Hospital of Nantong UniversityNantong226001China

The cytochrome P450 proteins(CYP450s)have been implicated in catalyzing numerous important biological reactions and contribute to a variety of ***26A1,a member of the CYP450 family,carries out the oxidative metabolism of retinoic acid(RA),the active metabolite of vitamin *** we report that CYP26A1 was dramatically upregulated in the spinal cord after spinal nerve ligation(SNL).CYP26A1 was mainly expressed in spinal neurons and *** analysis displayed that the content of all-trans-RA(at-RA),the substrate of CYP26A1,was reduced in the spinal cord on day 7 after *** of CYP26A1 by siRNA or inhibition of CYP26A1-mediated at-RA catabolism by talarozole relieved the SNL-induced mechanical allodynia during the maintenance phase of neuropathic *** also reduced SNL-induced glial activation and proinflammatory cytokine production but increased anti-inflammatory cytokine(IL-10)*** RA receptors RARα,RXRβ,and RXRγwere expressed in spinal neurons and glial *** promoter of Il-10 has several binding sites for RA receptors,and at-RA directly increased Il-10 mRNA expression in ***,intrathecal IL-10 attenuated SNL-induced neuropathic pain and reduced the activation of astrocytes and ***,the inhibition of CYP26A1-mediated at-RA catabolism alleviates SNL-induced neuropathic pain by promoting the expression of IL-10 and suppressing glial ***26A1 may be a potential therapeutic target for the treatment of neuropathic pain.

关键词： CYP26A1 Microglia Astrocytes ERK P38 IL-10 Neuropathic pain

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