1.TAFRO syndrome caused by Castleman disease: a case report and literature review
Wenyuan LOU ; Jingjing WANG ; Duqun CHEN ; Yuanmao TU ; Dandan QIU ; Zhen CHENG ; Haitao ZHANG
Chinese Journal of Nephrology 2025;41(7):544-548
TAFRO syndrome is an idiopathic systemic inflammatory disease that overlaps with idiopathic multicentric Castleman disease (iMCD). The clinical features of TAFRO syndrome include thrombocytopenia (T), anasarca (A), fever (F), reticulin fibrosis/renal insufficiency (R) and organomegaly (O). The paper reports a special clinical subtype of iMCD—TAFRO syndrome in a patient, manifested as multiple-system involvement including serous effusion (ascites), fever, thrombocytopenia, anemia, multiple lymphadenopathies, pancreatitis and renal insufficiency. Bone marrow biopsy pathology showed active bone marrow hyperplasia. Renal biopsy revealed renal thrombotic microangiopathy, acute renal tubular interstitial injury combined with chronic lesions. Lymph node biopsy demonstrated lymphoproliferative lesions consistent with Castleman disease (hyaline vascular type). Following diagnosis, glucocorticoids, tacrolimus, rituximab and lenalidomide were administered, resulting in significant symptomatic improvement: ascites disappeared, and urinary findings, erythrocyte counts, renal function and hematological indexes normalized. The paper describes the patient's clinical manifestations, diagnosis and treatment process, and prognosis, and reviews relevant literature, to improve clinicians' understanding of this rare disease.
2.TAFRO syndrome caused by Castleman disease: a case report and literature review
Wenyuan LOU ; Jingjing WANG ; Duqun CHEN ; Yuanmao TU ; Dandan QIU ; Zhen CHENG ; Haitao ZHANG
Chinese Journal of Nephrology 2025;41(7):544-548
TAFRO syndrome is an idiopathic systemic inflammatory disease that overlaps with idiopathic multicentric Castleman disease (iMCD). The clinical features of TAFRO syndrome include thrombocytopenia (T), anasarca (A), fever (F), reticulin fibrosis/renal insufficiency (R) and organomegaly (O). The paper reports a special clinical subtype of iMCD—TAFRO syndrome in a patient, manifested as multiple-system involvement including serous effusion (ascites), fever, thrombocytopenia, anemia, multiple lymphadenopathies, pancreatitis and renal insufficiency. Bone marrow biopsy pathology showed active bone marrow hyperplasia. Renal biopsy revealed renal thrombotic microangiopathy, acute renal tubular interstitial injury combined with chronic lesions. Lymph node biopsy demonstrated lymphoproliferative lesions consistent with Castleman disease (hyaline vascular type). Following diagnosis, glucocorticoids, tacrolimus, rituximab and lenalidomide were administered, resulting in significant symptomatic improvement: ascites disappeared, and urinary findings, erythrocyte counts, renal function and hematological indexes normalized. The paper describes the patient's clinical manifestations, diagnosis and treatment process, and prognosis, and reviews relevant literature, to improve clinicians' understanding of this rare disease.
3.Prediction of 18F-FDG PET/CT Metabolic Parameters in Axillary Lymph Node Metastasis of Breast Cancer
Dandan CHEN ; Yunlong LOU ; Zheng LIN
Chinese Journal of Medical Imaging 2024;32(10):1027-1031
Purpose To establish a non-invasive model for predicting axillary lymph node metastasis(ALNM)based on breast cancer related metabolic parameters.Materials and Methods A total of 158 patients diagnosed as breast cancer in Meizhou People's Hospital from January 1,2016 to March 30,2023 were selected,and all of them underwent whole-body PET/CT examination in our department before operation.Metabolic parameters of primary breast cancer[maximum standard uptake value(SUVmax),metabolic volume,total glycolysis(TLG)],highest axillary lymph node uptake SUVmax(SUVmaxALN),axillary lymph node short diameter and clinical related indexes[age,maximum tumor diameter,pathological type and tumor location]were obtained.According to the surgical and pathological results,the patients were divided into ALNM positive[ALNM(+)]group and ALNM negative[ALNM(-)]group.The relationship between the parameters of the two groups was analyzed,the best influencing factors were screened out,and binary Logistic regression was used to establish a prediction model to obtain the primary metabolic parameters of breast cancer.Results There were significant differences in TLG,metabolic volume,axillary lymph node short diameter and SUVmaxALN between ALNM(+)group and ALNM(-)group(Z=-3.924--1.812,all P<0.05),but there were no significant differences in age,tumor maximum diameter,pathological type,tumor location,primary focus SUVmax and SUVavg(all P>0.05).Multivariate Logistic regression analysis showed that TLG of breast cancer primary focus and SUVmaxALN could be used as independent risk factors of ALNM of breast cancer,and the regression model established by using these two factors was Logit(P)=0.142+0.443×SUVmaxALN-0.013×TLG.The area under the curve of ALNM prediction model based on TLG and SUVmaxALN was 0.769(95%CI 0.691-0.841,P<0.001).Conclusion TLG of breast cancer primary focus and SUVmaxALN can be used as independent predictors of ALNM of breast cancer,and the prediction model based on these two factors can predict ALNM well.This non-invasive method may have a certain application prospect in clinic.
4. Application of artificial neural network model in bioequivalence study of candesartan cilexetil tablets
Yin HU ; Dandan YANG ; Yichao XU ; Rong SHAO ; Zourong RUAN ; Bo JIANG ; Jinliang CHEN ; Honggang LOU
Chinese Journal of Clinical Pharmacology and Therapeutics 2022;27(1):63-69
AIM: To evaluate the bioequivalence of two candesartan cilexetil tablet formulations in healthy Chinese subjects after administration of a single dose, and an artificial neural network model was established to predict the candesartan plasma concentration, and provide a basis for clinical rational use of drugs. METHODS: Thirty-two healthy Chinese subjects were enrolled for oral administration of a single 8 mg dose of candesartan cilexetil tablet (test or reference product) under fasting or fed conditions to conduct a bioequivalence study. The bioequivalence results were used to build a back-propagation artificial neural network model by MATLAB software, and the model was internally and externally verified to predict the plasma concentration. RESULTS: Under both fasting and fed conditions, the C
5.Effect of Shengmai Yin on the DNA methylation status of nasopharyngeal carcinoma cell and its radioresistant strains
Shiya LIU ; Zhiyuan WANG ; Daoqi ZHU ; Jiabin YANG ; Dandan LOU ; Ruijiao GAO ; Zetai WANG ; Aiwu LI ; Ying LV ; Qin FAN
Journal of Pharmaceutical Analysis 2021;11(6):783-790
Shengmai Yin (SMY) is a Chinese herbal decoction that effectively alleviates the side effects of radio-therapy in various cancers and helps achieve radiotherapy's clinical efficacy.In this study,we explored the interaction mechanism among SMY,DNA methylation,and nasopharyngeal carcinoma (NPC).We identified differences in DNA methylation levels in NPC CNE-2 cells and its radioresistant cells (CNE-2R)using the methylated DNA immunoprecipitation array and found that CNE-2R cells showed genome-wide changes in methylation status towards a state of hypomethylation.SMY may restore its original DNA methylation status,and thus,enhance radiosensitivity.Furthermore,we confirmed that the dif-ferential gene Tenascin-C (TNC) was overexpressed in CNE-2R cells and that SMY downregulated TNC expression.This downregulation of TNC inhibited NPC cell radiation resistance,migration,and invasion.Furthermore,we found that TNC was hypomethylated in CNE-2R cells and partially restored to a hypermethylated state after SMY intervention.DNA methyltransferases 3a may be the key protein in DNA methylation of TNC.
6.Meta-analysis of effects of improved activity mode in preventing peripherally inserted central catheter related thrombosis in tumor patients
Yinan WANG ; Yun YANG ; Dandan SHAO ; Ruishuang MA ; Pengrong LOU ; Haofen XIE
Chinese Journal of Modern Nursing 2021;27(2):199-203
Objective:To conduct Meta-analysis of the effectiveness of improved activity mode in prevention of peripherally inserted central catheter (PICC) related thrombosis in tumor patients.Methods:PubMed, The Cochrane Library, CNKI, Wanfang Database and VIP database were conducted computer retrieval of studies on improved activity mode and PICC related thrombosis in tumor patients from January 1, 2010 to December 31, 2019. A total of two researchers independently screened literature, extracted data and evaluated the quality of literature. The RevMan 5.3 software was used for Meta-analysis of the included studies.Results:A total of 7 randomized controlled trials (RCT) were included in this study. Meta-analysis results showed that compared with the conventional catheterization side upper limb exercise group, the incidence of catheter-related venous thrombosis in tumor patients in the improved activity mode group was reduced ( OR=0.22, 95% CI=0.13-0.38, P<0.01) , and the maximum blood flow velocity of the axillary vein was increased ( MD=1.03, 95% CI=0.64-1.42, P<0.01) . Conclusions:Improved activities on the limb of catheterization can effectively accelerate the blood flow velocity of the axillary vein after PICC catheterization in tumor patients and reduce the occurrence of catheter-related venous thrombosis.
7. Bioequivalence of norfloxacin tablets in Chinese Healthy volunteers under Fasting and Fed Condition
Dandan YANG ; Jinliang CHEN ; Honggang LOU ; Zourong RUAN ; Bo JIANG ; Jinlian WU ; Jing CHEN
Chinese Journal of Clinical Pharmacology and Therapeutics 2020;25(12):1357-1362
AIM: To compare the bioavailability of norfloxacin tablets produced by Zhejiang Pharmaceutical Co., Ltd with the original product BACCIDAL, and to evaluate bioequivalence of two formulations, a randomized, open, two-cycle, self-crossing trial in healthy Chinese population was designed. METHODS: Under fasting and fed conditions, healthy volunteers were given a single dose of norfloxacin test or reference tablets for 100 mg. Liquid chromatography-mass spectrometry (LC-MS/MS) method were used to determine drug concentration in the plasma taken at different time points before and after dosing. Pharmacokinetic parameters and the bioequivalence of the two formulations were calculated by WinNonlin 7.0 software. RESULTS: A total of 28 healthy volunteers were enrolled and completed the fasting test. The pharmacokinetic parameters for test and reference preparations in fasting state were as follows: C
8.Analysis of influencing factors of textile workers' occupational stress
Yuan FANG ; Zhaoqiang JIANG ; Jianfei WANG ; Junlin JIA ; Dandan YU ; Lingfang FENG ; Li SHI ; Xinnian GUO ; Man YU ; Hailing XIA ; Min YU ; Jing WANG ; Tao LI ; Li JU ; Jin WANG ; Jianlin LOU
Chinese Journal of Industrial Hygiene and Occupational Diseases 2020;38(4):275-278
Objective:To explore the occupational stress status and influencing factors of workers in a textile factory in Zhejiang Provice.Methods:In October 2018, 505 workers from a textile factory in Zhejiang Province were selected as research objects by convenient sampling method. A total of 505 questionnaires were distributed, 495 of which were effective and the effective recovery rate was 98.0%. Job Content Questionnaire (JCQ) and Effort Reward Imbalance Questionnaire (REI) were used to investigate textile workers' occupational stress and analyze its influencing factors. The differences of the composition ratio of different groups were tested by χ 2 test. The influencing factors such as age, gender and occupation on occupational stress were analyzed by multivariate logistic regression. Results:ERI analysis results showed that the high and low occupational stress accounted for 30.1% and 69.9%, respectively. The differences of occupational stress among workers of different job types and working ages were statistically significant ( P<0.05) . The detection rates of high occupational stress of paper workers and spinners were 47.8% (11/23) and 44.8% (30/67) , respectively, higher than other jobs. The detection rate of high occupational stress for workers with more than 5 years of service was 46.4% (13/28) . The results of JCQ analysis showed that there was no statistical significance in the differences of daily working hours and length of service between different gender, education levels, types of work patterns, and occupational stress ( P>0.05) . Job types had significant effects on the occupational stress defined by ERI ( P<0.05) , the risk of occupational stress was 2.151 times than that of the coiler. Conclusion:There are significant differences in occupational stress risk among workers of different types of work in textile industry, so different measures should be taken to prevent and control occupational stress in different jobs.
9.Analysis of influencing factors of textile workers' occupational stress
Yuan FANG ; Zhaoqiang JIANG ; Jianfei WANG ; Junlin JIA ; Dandan YU ; Lingfang FENG ; Li SHI ; Xinnian GUO ; Man YU ; Hailing XIA ; Min YU ; Jing WANG ; Tao LI ; Li JU ; Jin WANG ; Jianlin LOU
Chinese Journal of Industrial Hygiene and Occupational Diseases 2020;38(4):275-278
Objective:To explore the occupational stress status and influencing factors of workers in a textile factory in Zhejiang Provice.Methods:In October 2018, 505 workers from a textile factory in Zhejiang Province were selected as research objects by convenient sampling method. A total of 505 questionnaires were distributed, 495 of which were effective and the effective recovery rate was 98.0%. Job Content Questionnaire (JCQ) and Effort Reward Imbalance Questionnaire (REI) were used to investigate textile workers' occupational stress and analyze its influencing factors. The differences of the composition ratio of different groups were tested by χ 2 test. The influencing factors such as age, gender and occupation on occupational stress were analyzed by multivariate logistic regression. Results:ERI analysis results showed that the high and low occupational stress accounted for 30.1% and 69.9%, respectively. The differences of occupational stress among workers of different job types and working ages were statistically significant ( P<0.05) . The detection rates of high occupational stress of paper workers and spinners were 47.8% (11/23) and 44.8% (30/67) , respectively, higher than other jobs. The detection rate of high occupational stress for workers with more than 5 years of service was 46.4% (13/28) . The results of JCQ analysis showed that there was no statistical significance in the differences of daily working hours and length of service between different gender, education levels, types of work patterns, and occupational stress ( P>0.05) . Job types had significant effects on the occupational stress defined by ERI ( P<0.05) , the risk of occupational stress was 2.151 times than that of the coiler. Conclusion:There are significant differences in occupational stress risk among workers of different types of work in textile industry, so different measures should be taken to prevent and control occupational stress in different jobs.
10.A study on the relationship between arsenic exposure and H3K4me3 and H3K79me3 in human peripheral leukocyte histone
Huazhu YAN ; Dandan LI ; Bingyang LI ; Qun LOU ; Simeng HUO ; Yumei FAN ; Ning GUO ; Limei WANG ; Zhongzhe LI ; Yanhui GAO ; Yanmei YANG
Chinese Journal of Endemiology 2018;37(10):780-784
Objective To observe the effect of arsenic exposure to drinking water on thelevel of histone 3 lysine 4 trimethylation (H3K4me3) and histone 3 lysine 79 trimethylation (H3K79me3) in peripheral blood leukocytes of human,and to analyze the relationship between arsenic exposure and H3K4me3,H3K79me3 modification levels.Methods A cluster sampling survey was carried out in typical endemic arsenicosis areas of Shanxi and Jilin provinces.Two hundred eighty-one local residents with a drinking water age of ≥ 10 years were selected as the survey subjects.According to the arsenic content of drinking water,the tested population was divided into control group (water arsenic content ≤0.01 mg/L,60 cases),low water arsenic exposure group (> 0.01-0.05 mg/L,61 cases),medium water arsenic exposure group (> 0.05-0.10 mg/L,50 cases),and 110 cases of high water arsenic exposure group (> 0.10 mg/L).Drinking water samples,immediate urine samples and peripheral blood samples were collected from the subjects.Arsenic content in drinking water and urinary arsenic content were determined via the atomic fluorescence method;histone H3K4me3 and H3K79me3 in peripheral blood leukocytes were determined by dot blot hybridization (Dot Blotting).Results There were no statistically significant differences in age (61.50,60.00,59.50,59.50 years old),different gender (male:20,27,17,40 cases,female:40,34,33,70 cases),body mass index (BMI),smoking and drinking status between the control group,low,medium and high water arsenic exposure groups.Water arsenic content in the control group,low,medium and high water arsenic exposure groups (median:0.005,0.024,0.076,0.150 mg/L),urinary arsenic content (0.011,0.018,0.061,0.134 mg/L),and water arsenic cumulative exposure levels (0.342,1.641,5.273,7.716 mg) were compared between groups,the differences were statistically significant (H =256.041,88.615,218.610,P < 0.01).In the control group,low,medium and high water arsenic exposure groups,the modification levels of H3K4me3 (0.100,0.059,0.083,0.083)and H3K79me3 (0.049,0.036,0.055,0.052) in peripheral blood leukocytes were not significantly different (H =1.488,2.097,P > 0.05).The levels of H3K4me3 and H3K79me3 in peripheral blood leukocytes were positively correlated with water arsenic content,urinary arsenic content,water arsenic cumulative exposure levels (r =0.245,0.221;0.299,0.318;0.149,0.149;P < 0.01 or < 0.05);there was a positive correlation between H3K4me3 and H3K79me3 modification levels (r =0.811,P < 0.01).Conclusion There is a positive correlation between arsenic exposure through drinking water and the levels of H3K4me3 and H3K79me3 in the peripheral blood leukocytes of the population,but it is necessary to expand the sample size for further study.

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