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Liu W, Zhao TT, Feng S, Ma H, Sun JC, Wei MH. [Follicular dendritic cell sarcoma of the tonsil: a case report]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2024; 59:260-262. [PMID: 38561267 DOI: 10.3760/cma.j.cn115330-20230921-00109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Affiliation(s)
- W Liu
- Department of Head and Neck Surgery, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzheng Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
| | - T T Zhao
- Department of Head and Neck Surgery, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzheng Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
| | - S Feng
- Department of Pathology, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzheng Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
| | - H Ma
- Department of Head and Neck Surgery, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzheng Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
| | - J C Sun
- Department of Head and Neck Surgery, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzheng Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
| | - M H Wei
- Department of Head and Neck Surgery, National Cancer Center, National Clinical Research Center for Cancer, Cancer Hospital & Shenzheng Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China
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Zhong Z, Feng S, Fu D, Li B, Li Z, Mao H. Serum fibroblast growth factor 23 concentration and the risk of mortality in patients undergoing peritoneal dialysis. Perit Dial Int 2024:8968608241231697. [PMID: 38449341 DOI: 10.1177/08968608241231697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Fibroblast growth factor 23 (FGF23) is a phosphate-regulating hormone that is secreted in large amounts early in chronic kidney disease. In this cohort, we aimed to investigate the association between serum FGF23 concentration and mortality in patients undergoing peritoneal dialysis (PD). METHODS Serum FGF23 level was determined by enzyme-linked immunosorbent assay (ELISA) in a large 15-year prospective cohort study of PD patients with stored serum samples at baseline. Kaplan-Meier survival curves and Cox proportional hazards models were performed to characterise the relationship of FGF23 with mortality. RESULTS A total of 737 incident PD patients were analysed. The baseline median FGF23 concentration was 683.2 (518.5-896.2) pg/mL. Age, serum phosphorus, high-density lipoprotein cholesterol and high-sensitivity C-reactive protein were independently correlated with serum FGF23 concentration. During a median follow-up of 66.7 (41.1-95.4) months, 171 of the 737 participants (23.2%) died, including 84 (49.1%) cardiovascular disease-related and 50 (29.2%) infection-related deaths. Multivariable Cox regression analysis showed that the adjusted hazard ratios of the highest tertile of serum FGF23 compared with those in the lowest tertile were 1.36 (95% confidence interval (CI): 0.89-2.07; p = 0.154), 0.75 (95% CI: 0.40-1.38; p = 0.353) and 2.66 (95% CI: 1.15-6.15; p = 0.022) for all-cause, cardiovascular disease-related and infection-related mortality, respectively. CONCLUSION High serum FGF23 concentration is associated with a higher risk of infection-related death for incident PD patients.
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Affiliation(s)
- Zhong Zhong
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
- Zhong Zhong and Shaozhen Feng contributed equally to this manuscript
| | - Shaozhen Feng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
- Zhong Zhong and Shaozhen Feng contributed equally to this manuscript
| | - Dongying Fu
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Bin Li
- Clinical Trials Unit, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhijian Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Haiping Mao
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
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He ZK, Wang Z, Kao QJ, Cheng S, Feng S, Zhao TT, Tao YY, Yu XF, Sun Z. [Epidemiological characteristics of a local cluster epidemic caused by the BA.2 evolutionary branch of Omicron variant]. Zhonghua Yu Fang Yi Xue Za Zhi 2024; 58:65-70. [PMID: 38228551 DOI: 10.3760/cma.j.cn112150-20230828-00131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Descriptive epidemiological methods were used to analyze the epidemiological characteristics of the local cluster of COVID-19 in the logistic park of Yuhang District in Hangzhou in March 2022. The cluster epidemic was detected by a case who actively visited the fever clinic. The epidemic lasted for 8 days, and a total of 58 cases (53 workers, 2 students, 1 farmer, 1 teacher and 1 unemployed) were found, including 40 males and 18 females. The age was (33.29±12.22) years. There cases were mainly in Yuhang District (48 cases, 82.77%) and Shangcheng District (7 cases, 12.07%) of Hangzhou. The real-time regeneration number peaked at 2.31 on March 10th and decreased to 0.37 on March 15th. The sequencing result of the indicated case was 100% homologous with the sequence uploaded from South Korea on March 4th, 2022.
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Affiliation(s)
- Z K He
- Institute of Infectious Disease Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Z Wang
- Institute of Infectious Disease Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Q J Kao
- Institute of Infectious Disease Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - S Cheng
- Microbiological Laboratory, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - S Feng
- Institute of Infectious Disease Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - T T Zhao
- Institute of Health Relative Factors Monitoring, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Y Y Tao
- Institute of Infectious Disease Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - X F Yu
- Microbiological Laboratory, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Z Sun
- Institute of Infectious Disease Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
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Wu F, Ji XN, Shen MX, Feng S, Xie LN, Gao YY, Li SP, Yang AY, Wang JH, Chen Q, Zhang X. [Clinical characteristics of epileptic seizure in neurofibromatosis type 1 in 15 cases]. Zhonghua Er Ke Za Zhi 2023; 61:1124-1128. [PMID: 38018050 DOI: 10.3760/cma.j.cn112140-20230829-00146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Objective: To summarize the clinical characteristics of epileptic seizure associated with neurofibromatosis type 1 (NF1). Methods: From January 2017 to July 2023 at Children's Hospital Capital Institute of Pediatrics, medical records of patients with both NF1 and epileptic seizure were reviewed in this case series study. The clinical characteristics, treatment and prognosis were analyzed retrospectively. Results: A total of 15 patients(12 boys and 3 girls) were collected. Café-au-lait macules were observed in all 15 patients. There were 6 patients with neurodevelopmental disorders and the main manifestations were intellectual disability or developmental delay. The age at the first epileptic seizure was 2.5 (1.2, 5.5) years. There were various seizure types, including generalized tonic-clonic seizures in 8 patients, focal motor seizures in 6 patients, epileptic spasm in 4 patients, tonic seizures in 1 patient, absence in 1 patient, generalized myoclonic seizure in 1 patient and focal to bilateral tonic-clonic seizure in 1 patient. Among 14 patients whose brain magnetic resonance imaging results were available, there were abnormal signals in corpus callosum, basal ganglia, thalamus or cerebellum in 6 patients, dilated ventricles of different degrees in 3 patients, blurred gray and white matter boundary in 2 patients, agenesis of corpus callosum in 1 patient and no obvious abnormalities in the other patients. Among 13 epilepsy patients, 8 were seizure-free with 1 or 2 antiseizure medications(ASM), 1 with drug resistant epilepsy was seizure-free after left temporal lobectomy, and the other 4 patients who have received 2 to 9 ASM had persistent seizures. One patient with complex febrile convulsion achieved seizure freedom after oral administration of diazepam on demand. One patient had only 1 unprovoked epileptic seizure and did not have another seizure without taking any ASM. Conclusions: The first epileptic seizure in NF1 patients usually occurs in infancy and early childhood, with the main seizure type of generalized tonic-clonic seizure and focal motor seizure. Some patients have intellectual disability or developmental delay. Most epilepsy patients achieve seizure freedom with ASM.
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Affiliation(s)
- F Wu
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - X N Ji
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - M X Shen
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - S Feng
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - L N Xie
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - Y Y Gao
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - S P Li
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - A Y Yang
- Translational Medicine Laboratory, Beijing Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing 100020, China
| | - J H Wang
- Translational Medicine Laboratory, Beijing Key Laboratory of Child Development and Nutriomics, Capital Institute of Pediatrics, Beijing 100020, China
| | - Q Chen
- Department of Neurology, Children's Hospital Capital Institute of Pediatrics, Beijing 100020, China
| | - X Zhang
- Department of Medical Genetics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Beijing 100730, China
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Zhong Z, Li Z, Li Y, Jiang L, Kong Q, Chen W, Feng S. RhoA vesicle trafficking-mediated transglutaminase 2 membrane translocation promotes IgA1 mesangial deposition in IgA nephropathy. JCI Insight 2023; 8:e160374. [PMID: 37811653 PMCID: PMC10619437 DOI: 10.1172/jci.insight.160374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 08/24/2023] [Indexed: 10/10/2023] Open
Abstract
Transglutaminase 2 (TGase2) has been shown to contribute to the mesangial IgA1 deposition in a humanized mouse model of IgA nephropathy (IgAN), but the mechanism is not fully understood. In this study, we found that inhibition of TGase2 activity could dramatically decrease the amount of polymeric IgA1 (pIgA1) isolated from patients with IgAN that interacts with human mesangial cells (HMC). TGase2 was expressed both in the cytosol and on the membrane of HMC. Upon treatment with pIgA1, there were more TGase2 recruited to the membrane. Using a cell model of mesangial deposition of pIgA1, we identified 253 potential TGase2-associated proteins in the cytosolic fraction and observed a higher concentration of cellular vesicles and increased expression of Ras homolog family member A (RhoA) in HMC after pIgA1 stimulation. Both the amount of pIgA1 deposited on HMC and membrane TGase2 level were decreased by inhibition of the vesicle trafficking pathway. Mechanistically, TGase2 was found to be coprecipitated with RhoA in the cellular vesicles. Membrane TGase2 expression was greatly increased by overexpression of RhoA, while it was reduced by knockdown of RhoA. Our in vitro approach demonstrated that TGase2 was transported from the cytosol to the membrane through a RhoA-mediated vesicle-trafficking pathway that can facilitate pIgA1 interaction with mesangium in IgAN.
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Affiliation(s)
- Zhong Zhong
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Zhijian Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Yanjie Li
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Lanping Jiang
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Qingyu Kong
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Wei Chen
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
| | - Shaozhen Feng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University) and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China
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Shen MX, Ji XN, Wu F, Gao YY, Feng S, Xie LN, Zheng P, Mao YY, Chen Q. [A case of combined oxidative phosphorylation deficiency 32 caused by MRPS34 gene variation and literature review]. Zhonghua Er Ke Za Zhi 2023; 61:642-647. [PMID: 37385809 DOI: 10.3760/cma.j.cn112140-20230307-00165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
Objective: To investigate the clinical features and genetic features of combined oxidative phosphorylation deficiency 32 (COXPD32) caused by MRPS34 gene variation. Methods: The clinical data and genetic test of a child with COXPD32 hospitalized in the Department of Neurology, Children's Hospital, Capital Institute of Pediatrics in March 2021 were extracted and analyzed. A literature search was implemented using Wanfang, China biology medicine disc, China national knowledge infrastructure, ClinVar, human gene mutation database (HGMD) and Pubmed databases with the key words "MRPS34" "MRPS34 gene" and "combined oxidative phosphorylation deficiency 32" (up to February 2023). Clinical and genetic features of COXPD32 were summarized. Results: A boy aged 1 year and 9 months was admitted due to developmental delay. He showed mental and motor retardation, and was below the 3rd percentile for height, weight, and head circumference of children of the same age and gender. He had poor eye contact, esotropia, flat nasal bridge, limbs hypotonia, holding instability and tremors. In addition, Grade Ⅲ/6 systolic murmur were heard at left sternal border. Arterial blood gases suggested that severe metabolic acidosis with lactic acidosis. Brain magnetic resonance imaging (MRI) showed multiple symmetrical abnormal signals in the bilateral thalamus, midbrain, pons and medulla oblongata. Echocardiography showed atrial septal defect. Genetic testing identified the patient as a compound heterozygous variation of MRPS34 gene, c.580C>T (p.Gln194Ter) and c.94C>T (p.Gln32Ter), with c.580C>T being the first report and a diagnosis of COXPD32. His parents carried a heterozygous variant, respectively. The child improved after treatment with energy support, acidosis correction, and "cocktail" therapy (vitaminB1, vitaminB2, vitaminB6, vitaminC and coenzyme Q10). A total of 8 cases with COXPD32 were collected through 2 English literature reviews and this study. Among the 8 patients, 7 cases had onset during infancy and 1 was unknown, all had developmental delay or regression, 7 cases had feeding difficulty or dysphagia, followed by dystonia, lactic acidosis, ocular symptoms, microcephaly, constipation and dysmorphic facies(mild coarsening of facial features, small forehead, anterior hairline extending onto forehead,high and narrow palate, thick gums, short columella, and synophrys), 2 cases died of respiratory and circulatory failure, and 6 were still alive at the time of reporting, with an age range of 2 to 34 years. Blood and (or) cerebrospinal fluid lactate were elevated in all 8 patients. MRI in 7 cases manifested symmetrical abnormal signals in the brainstem, thalamus, and (or) basal ganglia. Urine organic acid test were all normal but 1 patient had alanine elevation. Five patients underwent respiratory chain enzyme activity testing, and all had varying degrees of enzyme activity reduction. Six variants were identified, 6 patients were homozygous variants, with c.322-10G>A was present in 4 patients from 2 families and 2 compound heterozygous variants. Conclusions: The clinical phenotype of COXPD32 is highly heterogenous and the severity of the disease varies from development delay, feeding difficulty, dystonia, high lactic acid, ocular symptoms and reduced mitochondrial respiratory chain enzyme activity in mild cases, which may survive into adulthood, to rapid death due to respiratory and circulatory failure in severe cases. COXPD32 needs to be considered in cases of unexplained acidosis, hyperlactatemia, feeding difficulties, development delay or regression, ocular symptoms, respiratory and circulatory failure, and symmetrical abnormal signals in the brainstem, thalamus, and (or) basal ganglia, and genetic testing can clarify the diagnosis.
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Affiliation(s)
- M X Shen
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - X N Ji
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - F Wu
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - Y Y Gao
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - S Feng
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - L N Xie
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - P Zheng
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - Y Y Mao
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
| | - Q Chen
- Department of Neurology, Children' s Hospital, Capital Institute of Pediatrics, Beijing 100020, China
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Lin T, Peng S, Lu S, Fu S, Zeng D, Li J, Chen T, Fan T, Lang C, Feng S, Ma J, Zhao C, Antony B, Cicuttini F, Quan X, Zhu Z, Ding C. Prediction of knee pain improvement over two years for knee osteoarthritis using a dynamic nomogram based on MRI-derived radiomics: a proof-of-concept study. Osteoarthritis Cartilage 2023; 31:267-278. [PMID: 36334697 DOI: 10.1016/j.joca.2022.10.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 09/26/2022] [Accepted: 10/19/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVES To develop and validate a nomogram to detect improved knee pain in osteoarthritis (OA) by integrating magnetic resonance imaging (MRI) radiomics signature of subchondral bone and clinical characteristics. METHODS Participants were selected from the Vitamin D Effects on Osteoarthritis (VIDEO) study. The primary outcome was 20% improvement of knee pain score over 2 years in participants administrated either vitamin D or placebo. Radiomics features of subchondral bone and clinical characteristics from 216 participants were extracted and analyzed. The participants were randomly split into the training and validation cohorts at a ratio of 8:2. Least absolute shrinkage and selection operator (LASSO) regression was used to select features and generate radiomics signatures. The optimal radiomics signature and clinical indicators were fitted into a nomogram using multivariable logistic regression model. RESULTS The nomogram showed favorable discrimination performance [AUCtraining, 0.79 (95% CI: 0.72-0.79), AUCvalidation, 0.83 (95% CI: 0.70-0.96)] as well as a good calibration. Additional contributing value of fusion radiomics signature to the nomogram was statistically significant (NRI, 0.23; IDI, 0.14, P < 0.001 in training cohort and NRI, 0.29; IDI, 0.18, P < 0.05 in validating cohort). Decision curve analysis confirmed the clinical usefulness of nomogram. CONCLUSION The radiomics-based nomogram comprising the MR radiomics signature and clinical variables achieves a favorable predictive efficacy and accuracy in differentiating improvement in knee pain among OA patients. This proof-of-concept study provides a promising way to predict clinically meaningful outcomes.
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Affiliation(s)
- T Lin
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - S Peng
- School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, China.
| | - S Lu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - S Fu
- School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, China.
| | - D Zeng
- School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, China.
| | - J Li
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - T Chen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - T Fan
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - C Lang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - S Feng
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, 999077, Hong Kong, China.
| | - J Ma
- School of Biomedical Engineering, Southern Medical University, Guangzhou, 510515, China.
| | - C Zhao
- Philips China, Beijing, 100000, China.
| | - B Antony
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, 7000, Australia.
| | - F Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, 3800, Australia.
| | - X Quan
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - Z Zhu
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - C Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, 7000, Australia.
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Jindal T, Han H, Deshmukh P, De Kouchkovsky I, Kwon D, Borno H, Koshkin V, Desai A, Bose R, Chou J, Friedlander T, Small E, Angelidakis A, Johnson M, Feng S, Patnaik A, Fong L, Alumkal J, Aggarwal R. 1404P A phase II study of ZEN-3694 (ZEN), enzalutamide (ENZ), and pembrolizumab (P) in metastatic castration resistant prostate cancer (mCRPC): Interim safety results. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Aggarwal R, Trihy L, Hernandez Romero E, Luch Sam S, Rastogi M, De Kouchkovsky I, Small E, Feng F, Kwon D, Friedlander T, Borno H, Bose R, Chou J, Koshkin V, Desai A, Feng S, Angelidakis A, Johnson M, Fong L, Hope T. 1379P A phase Ib study of a single priming dose of 177Lu-PSMA-617 coupled with pembrolizumab in metastatic castration resistant prostate cancer (mCRPC). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1511] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Klotz S, Baptiste B, Hattori T, Feng S, Jin C, Béneut K, Guigner J, Estève I. High-pressure polymerisation of CS 2: 'Bridgman's black' revisited. Acta Cryst Sect A 2022. [DOI: 10.1107/s2053273322091161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Hao J, Liu C, Feng S, Luo J. Imagination-Based Loving-Kindness and Compassion Meditation: A New Meditation Method Developed from Chinese Buddhism. J Relig Health 2022; 61:2753-2769. [PMID: 34460022 DOI: 10.1007/s10943-021-01409-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/22/2021] [Indexed: 06/13/2023]
Abstract
Many loving-kindness and compassion meditation methods used in psychological research are derived from Theravada and Tibetan Buddhism. Zhiyi (), a representative figure of Chinese Buddhism, proposed a different meditation method, namely, imagination-based loving-kindness and compassion meditation. The current article introduces the imagination-based loving-kindness and compassion meditation proposed by Zhiyi and compares it with meditation methods from Theravada and Tibetan Buddhism. Zhiyi's method limits the content of imagination during meditation, which can be an essential supplement to the free association method derived from Theravada Buddhism. Zhiyi's method of helping others entirely through imagination differs significantly from the tonglen method derived from Tibetan Buddhism and may be more suitable for participants without religious beliefs. Based on Zhiyi's source text and previous psychological studies, a mental-health training program for imagination-based loving-kindness and compassion meditation is proposed. The limitations of Zhiyi's method and the future directions for empirical research on Zhiyi's method are also discussed. The differences between Zhiyi's method and other methods in terms of effects and applicable populations need to be examined in future studies.
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Affiliation(s)
- Junyi Hao
- School of Psychology, Nanjing Normal University, Nanjing, China
| | - Chang Liu
- School of Psychology, Nanjing Normal University, Nanjing, China.
| | - Shaozhen Feng
- School of Psychology, Nanjing Normal University, Nanjing, China
| | - Jing Luo
- School of Psychology, Capital Normal University, Beijing, China.
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Haeusler IL, Daniel O, Isitt C, Watts R, Cantrell L, Feng S, Cochet M, Salloum M, Ikram S, Hayter E, Lim S, Hall T, Athaide S, Cosgrove CA, Tregoning JS, Le Doare K. Group B Streptococcus (GBS) colonisation is dynamic over time, whilst GBS capsular polysaccharides-specific antibody remains stable. Clin Exp Immunol 2022; 209:188-200. [PMID: 35802786 PMCID: PMC9390841 DOI: 10.1093/cei/uxac066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 06/08/2022] [Accepted: 06/27/2022] [Indexed: 11/20/2022] Open
Abstract
Group B Streptococcus (GBS) is a leading cause of adverse pregnancy outcomes due to invasive infection. This study investigated longitudinal variation in GBS rectovaginal colonization, serum and vaginal GBS capsular polysaccharide (CPS)-specific antibody levels. Non-pregnant women were recruited in the UK and were sampled every 2 weeks over a 12-week period. GBS isolates were taken from recto-vaginal swabs and serotyped by polymerase chain reaction. Serum and vaginal immunoglobulin G (IgG) and nasal immunoglobulin A (IgA) specific to CPS were measured by Luminex, and total IgG/A by ELISA. Seventy women were enrolled, of median age 26. Out of the 66 participants who completed at least three visits: 14/47 (29.8%) women that were GBS negative at screening became positive in follow-up visits and 16/19 (84.2%) women who were GBS positive at screening became negative. There was 50% probability of becoming negative 36 days after the first positive swab. The rate of detectable GBS carriage fluctuated over time, although serum, vaginal, and nasal CPS-specific antibody levels remained constant. Levels of CPS-specific antibodies were higher in the serum of individuals colonized with GBS than in non-colonized, but similar in the vaginal and nasal mucosa. We found correlations between antibody levels in serum and the vaginal and nasal mucosa. Our study demonstrates the feasibility of elution methods to retrieve vaginal and nasal antibodies, and the optimization of immunoassays to measure GBS-CPS-specific antibodies. The difference between the dynamics of colonization and antibody response is interesting and further investigation is required for vaccine development.
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Affiliation(s)
- I L Haeusler
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom
| | - O Daniel
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom
| | - C Isitt
- St George's University of London, The Vaccine Institute, London, United Kingdom
| | - R Watts
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom
| | - L Cantrell
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford
| | - S Feng
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford
| | - M Cochet
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom
| | - M Salloum
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom.,UnivLyon, Claude Bernard University Lyon I, France
| | - S Ikram
- St George's University of London, The Vaccine Institute, London, United Kingdom
| | - E Hayter
- St George's University of London, The Vaccine Institute, London, United Kingdom
| | - S Lim
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom
| | - T Hall
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom
| | - S Athaide
- St George's University of London, The Vaccine Institute, London, United Kingdom
| | - C A Cosgrove
- St George's University of London, The Vaccine Institute, London, United Kingdom
| | - J S Tregoning
- Imperial College London, Department of Infectious Disease, London, United Kingdom
| | - K Le Doare
- St George's University of London, Paediatric Infectious Diseases Research Group, London, United Kingdom.,Makerere University John Hopkins Research Collaboration, Kampala, Uganda.,Pathogen Immunology Group, United Kingdom Health Security Agency, Porton Down, United Kingdom
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13
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Liang Y, Feng S, Xie W, Jiang Q, Yang Y, Luo R, Kidd E, Zhai T, Xie L. MO-0887 Clinical value of ITV delineation method in cervical cancer patients receiving chemoradiotherapy. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02453-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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14
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Zhan LT, Ni JQ, Feng S, Kong LG, Feng T. Saturated hydraulic conductivity of compacted steel slag-bentonite mixtures--A potential hydraulic barrier material of landfill cover. Waste Manag 2022; 144:349-356. [PMID: 35436714 DOI: 10.1016/j.wasman.2022.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 03/22/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
The feasibility of using steel slag and bentonite mixtures to construct the hydraulic barrier of a landfill cover was explored in the present study. Fine-grained steel slag (SS; particle diameter < 1 mm) and sodium-activated calcium bentonite (SACB) were used to prepare compacted specimens, and the saturated hydraulic conductivity (ks) was measured using a flexible-wall permeameter. Influential factors including SACB content (BC), SS gradation, water-washing treatment of SS and compaction water content (ωcomp) were investigated. The hydraulic conductivity results were interpreted in microscopic scale through mercury intrusion porosimetry (MIP) and scanning electron microscope (SEM). It was found that when BC was below 10%, the ks value of the specimens prepared with well graded SS was about one order of magnitude lower than that of the specimens prepared with poorly graded SS. This was due to less macropores caused by better SS gradation. Yet, the effects of SS gradation on ks diminished as BC further increased to 15%, suggesting the dominant role of BC on ks at high BC. Water-washing treatment of SS helped reduce ks significantly to 1.2 × 10-10 m/s at BC of 10%, owing to less multivalent cations and hence lower osmotic swelling reduction caused by cations. Controlling ωcomp 1-2% wetter than the optimum water content (ωopt) also helped reduce ks significantly, owing to the reduction of macropores. Accordingly, it is suggested to use well-graded SS mixed with 10% SACB and then compact at ωcomp slightly wetter than ωopt to the degree of compaction greater than 90% in engineering practice.
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Affiliation(s)
- L T Zhan
- MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Department of Civil Engineering, Zhejiang University, China.
| | - J Q Ni
- MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Department of Civil Engineering, Zhejiang University, China.
| | - S Feng
- MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Department of Civil Engineering, Zhejiang University, China; College of Civil Engineering, Fuzhou University, China.
| | - L G Kong
- MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Department of Civil Engineering, Zhejiang University, China.
| | - T Feng
- MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Department of Civil Engineering, Zhejiang University, China.
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15
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Feng S, Brouwer C, Korevaar E, Vapiwala N, Wang K, Deville C, Langendijk J, Both S, Aluwini S. PO-1500 Robustness evaluation of ultra hypo-fractionated IMPT for PCa on target and OAR dose-constraints. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03464-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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16
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Feng S, Peden EK, Guo Q, Lee TH, Li Q, Yuan Y, Chen C, Huang F, Cheng J. Downregulation of the endothelial histone demethylase JMJD3 is associated with neointimal hyperplasia of arteriovenous fistulas in kidney failure. J Biol Chem 2022; 298:101816. [PMID: 35278430 PMCID: PMC9052161 DOI: 10.1016/j.jbc.2022.101816] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/27/2022] [Accepted: 02/28/2022] [Indexed: 11/25/2022] Open
Abstract
Jumonji domain-containing protein-3 (JMJD3), a histone H3 lysine 27 (H3K27) demethylase, promotes endothelial regeneration, but its function in neointimal hyperplasia (NIH) of arteriovenous fistulas (AVFs) has not been explored. In this study, we examined the contribution of endothelial JMJD3 to NIH of AVFs and the mechanisms underlying JMJD3 expression during kidney failure. We found that endothelial JMJD3 expression was negatively associated with NIH of AVFs in patients with kidney failure. JMJD3 expression in endothelial cells (ECs) was also downregulated in the vasculature of chronic kidney disease (CKD) mice. In addition, specific knockout of endothelial JMJD3 delayed EC regeneration, enhanced endothelial mesenchymal transition, impaired endothelial barrier function as determined by increased Evans blue staining and inflammatory cell infiltration, and accelerated neointima formation in AVFs created by venous end to arterial side anastomosis in CKD mice. Mechanistically, JMJD3 expression was downregulated via binding of transforming growth factor beta 1-mediated Hes family transcription factor Hes1 to its gene promoter. Knockdown of JMJD3 enhanced H3K27 methylation, thereby inhibiting transcriptional activity at promoters of EC markers and reducing migration and proliferation of ECs. Furthermore, knockdown of endothelial JMJD3 decreased endothelial nitric oxide synthase expression and nitric oxide production, leading to the proliferation of vascular smooth muscle cells. In conclusion, we demonstrate that decreased expression of endothelial JMJD3 impairs EC regeneration and function and accelerates neointima formation in AVFs. We propose increasing the expression of endothelial JMJD3 could represent a new strategy for preventing endothelial dysfunction, attenuating NIH, and improving AVF patency in patients with kidney disease.
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Affiliation(s)
- Shaozhen Feng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, China; Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, USA
| | - Eric K Peden
- Department of Vascular Surgery, DeBakey Heart and Vascular Institute, Houston Methodist Hospital, Houston, USA
| | - Qunying Guo
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, USA
| | - Tae Hoon Lee
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, USA
| | - Qingtian Li
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, USA
| | - Yuhui Yuan
- Department of Surgery, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Changyi Chen
- Department of Surgery, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Fengzhang Huang
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, USA
| | - Jizhong Cheng
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, USA.
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17
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Li M, Feng S, Zhan X, Peng F, Feng X, Zhou Q, Wu X, Wang X, Su N, Tang X, Wang Z, Zhang Y, Zeng Y, Zhu L, Xie Y, Liang J, Liu L, Wen Y. Neutrophil to high-density lipoprotein ratio associates with higher all-cause mortality and new onset cardiovascular events in peritoneal dialysis patients. Int Urol Nephrol 2022; 54:2745-2754. [PMID: 35411415 DOI: 10.1007/s11255-022-03202-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 03/15/2022] [Indexed: 01/02/2023]
Abstract
BACKGROUND Neutrophil to high-density lipoprotein ratio (NHR), a new inflammatory marker, is associated with poor clinical prognosis. However, the correlation of NHR and adverse outcomes in peritoneal dialysis (PD) patients remains unclear. METHODS In this retrospective cohort study, a total of 1051 PD patients were recruited from three centers during Jan 1, 2009 to Dec 31, 2017. Eligible patients were distributed according to quartiles of the NHR. Kaplan-Meier cumulative incidence curves, multivariate COX regression, competitive risk analysis and restricted cubic spline (RCS) were applied to analyze the relationship between NHR and all-cause mortality as well as cardiovascular events (CVE). In addition, forest plots were used to calculate the interaction between different subgroups. RESULTS During follow-up, a total of 240 all-cause mortality and 157 new-onset CVE were recorded. The all-cause mortality in the highest quartile of NHR (> 5.43) were higher than those in the other groups. RCS showed a non-linear relationship between NHR and adverse outcomes. Multivariate COX regression indicated elevated NHR was an independent risk factor for all-cause mortality. Compared to the highest quartile, hazard ratio (HR) of new-onset CVE equals to 0.522 (95% CI 0.321-0.849) in the secondary quartile (2.43 < NHR ≤ 3.57), and the HR of all-cause mortality analysis is 0.551 (95% CI 0.378-0.803) in the third quartile (3.57 < NHR ≤ 5.43). Kaplan-Meier analysis suggested there were significant differences in all-cause mortality and new-onset CVE among four NHR groups. CONCLUSIONS NHR was a new independent risk factor for all-cause mortality in PD patients.
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Affiliation(s)
- Mengmeng Li
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Shaozhen Feng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaojiang Zhan
- Department of Nephrology, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Fenfen Peng
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoran Feng
- Department of Nephrology, Jiujiang NO.1 people's Hospital, Jiangxi, China
| | - Qian Zhou
- Department of Medical Statistics, Clinical Trials Unit, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xianfeng Wu
- Department of Nephrology, Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaoyang Wang
- Department of Nephrology, The First Affiliated Hospital, Zhengzhou University, ZhengZhou, Henan, China
| | - Ning Su
- Department of Nephrology, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xingming Tang
- Department of Nephrology, Affiliated Tungwah Hospital, Sun Yet-Sen University, Dongguan, Guangdong, China
| | - Zebin Wang
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yujing Zhang
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yingsi Zeng
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Liya Zhu
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yuxin Xie
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Jianbo Liang
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Lingling Liu
- Department of General Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yueqiang Wen
- Department of Nephrology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
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18
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Liu S, Chen H, Wang C, Xu Q, Feng S, Wang Y, Yao J, Zhou Q, Tong C, Yang B, Chen J, Jiang H. POS-340 MAPK1 MEDIATES HIGH GLUCOSE INDUCED RENAL TUBULAR INJURY THROUGH DISRUPTING THE INTEGRITY OF MAM. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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19
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Jiang X, Wang J, Feng S, Xiao L, Han F. POS-445 CONTRIBUTION OF RENAL SYMPATHETIC NERVES TO THE DEVELOPMENT OF IgA NEPHROPATHY IN MICE. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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20
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Feng S, Chen JX, Liu S, Zheng P, Sun J, Zhang X, Chen Q. [Clinical and prognostic study of anti-N-methyl-D-aspartate receptor encephalitis children with paroxysmal sympathetic hyperactivity syndrome]. Zhonghua Yi Xue Za Zhi 2021; 101:3600-3603. [PMID: 34808755 DOI: 10.3760/cma.j.issn112137-20210322-00708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The data of clinical characteristics, medical cost and prognosis of 22 anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis children from the Department of Neurology, Capital Institute of Pediatrics between May 2018 and January 2021 were analyzed, and 6 of them occurred paroxysmal sympathetic hyperactivity syndrome (PSH). It was found that the anti-NMDAR encephalitis children with PSH had severer consciousness disorder [median Glasgow Coma Scale (GCS) score at admission: 7.5], longer duration of consciousness disorder (median time: 53 days), higher hospitalization cost (median cost: 230 000 RMB), severer neurological injury at onset [median modified Rankin Scale (mRS) score at admission: 4], and longer recovery time of neurological function (median time of mRS score recovered to 0-2: 7 months), compared with those without PSH (all P<0.05). Therefore, more attention should be paid to sympathetic excited symptoms of anti NMDAR encephalitis, and thus identify and intervene early on PSH to reduce the neurological damage and economic burden.
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Affiliation(s)
- S Feng
- Department of Neurology, Capital Institute of Pediatrics, Beijing 100020, China
| | - J X Chen
- Department of Neurology, Capital Institute of Pediatrics, Beijing 100020, China
| | - S Liu
- Department of Neurology, Capital Institute of Pediatrics, Beijing 100020, China
| | - P Zheng
- Department of Neurology, Capital Institute of Pediatrics, Beijing 100020, China
| | - J Sun
- Department of Neurology, Capital Institute of Pediatrics, Beijing 100020, China
| | - X Zhang
- Department of Medical Genetics, School of Basic Medicine, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China
| | - Q Chen
- Department of Neurology, Capital Institute of Pediatrics, Beijing 100020, China
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21
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Gao F, Yang Y, Zhu H, Wang J, Xiao D, Zhou Z, Dai T, Zhang Y, Feng G, Li J, Lin B, Xie G, Ke Q, Zhou K, Li P, Sheng X, Wang H, Yan L, Lao C, Shan L, Li M, Lu Y, Chen M, Feng S, Zhao J, Wu D, Du X. First Demonstration of the FLASH Effect With Ultrahigh Dose-Rate High-Energy X-Rays. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Wang XQ, Feng S, Shu XY, Yang CD, Zhang RY. Serum cholesterol efflux capacity is associated with coronary plaque progression in patients with coronary heart disease. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.1389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Coronary plaque progression is a major risk factor of adverse cardiac events in patients with coronary heart disease (CHD). Emerging evidence showed that attenuated high-density lipoprotein (HDL) function measured by cholesterol efflux capacity (CEC) was associated with development of atherosclerosis independent of HDL cholesterol level. In this study, we sought to investigate whether CEC is a predictor for coronary plaque progression in CHD patients.
Methods
We consecutively enrolled CHD patients from January 2017 to August 2019 in our Hospital who underwent elective percutaneous coronary intervention and had at least one non-target coronary lesion. Follow-up coronary angiography were performed at around 12 months. Fluorescence-labeled cholesterol and J774 macrophages were used to measure the CEC of ApoB-depleted serum sample from all patients. Quantitative coronary angiography (QCA) was performed both at baseline and follow-up to analyze the plaque progression.
Results
A total of 430 CHD patients with 586 non-target coronary lesions were included in the final analysis. During a mean follow-up time of 381.04±59.52 days, patients with decreased CEC presented more severe plaque progression (net luminal loss in highest to lowest CEC quartile: 0.22±0.42mm vs 0.20±0.41mm vs 0.13±0.36mm vs 0.11±0.34mm, p=0.035). In multivariate analysis, baseline CEC was independently associated with coronary plaque progression after adjustment for traditional risk factors including HDL cholesterol and ApoA-I, no matter treated as categorical variable (OR: 0.382 [95% CI 0.180–0.781] for highest to lowest quartile) or continuous variable (OR: 0.522 [95% CI 0.373–0.714] for per SD increase]. Furthermore, CEC demonstrated a better power in predicting coronary plaque progression compared with HDL cholesterol concentration (AUC=0.644 vs 0.514).
Conclusions
This study suggests that HDL function reflected by serum CEC is an independent predictor for coronary plaque progression in CHD patients.
Funding Acknowledgement
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): National Natural Science Foundation of China, Shanghai Municipal Commission of Health and Family Planning
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Affiliation(s)
- X Q Wang
- Rui Jin Hospital, Shanghai Jiaotong University School of Medicine, Department of Cardiology, Shanghai, China
| | - S Feng
- Rui Jin Hospital, Shanghai Jiaotong University School of Medicine, Department of Cardiology, Shanghai, China
| | - X Y Shu
- Rui Jin Hospital, Shanghai Jiaotong University School of Medicine, Department of Cardiology, Shanghai, China
| | - C D Yang
- Rui Jin Hospital, Shanghai Jiaotong University School of Medicine, Department of Cardiology, Shanghai, China
| | - R Y Zhang
- Rui Jin Hospital, Shanghai Jiaotong University School of Medicine, Department of Cardiology, Shanghai, China
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Feng S, Huang N, Xue M, Zhang P, Zhong Z, Guo Q, Li Z. Association between urinary VEGFA and renal pathology of IgA nephropathy patients. J Clin Lab Anal 2021; 35:e23995. [PMID: 34498313 PMCID: PMC8551689 DOI: 10.1002/jcla.23995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/12/2021] [Accepted: 08/21/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Renal biopsy remains the golden standard for diagnosing and monitoring IgA nephropathy (IgAN). Vascular endothelial growth factor A (VEGFA) was crucial for the survival of glomerular cells. Our aim was to screen the expression pattern of urinary, circulating and renal VEGFA in IgAN patients to reveal their relationship with renal pathology and outcomes. METHODS Baseline VEGFA levels were determined with ELISA, real-time PCR and immunohistochemistry. Associations between VEGFA expression and clinical-pathological parameters, and renal outcomes were evaluated. RESULTS Compared with healthy controls, urinary VEGFA level was obviously elevated in IgAN patients (76.19 ± 63.67 pg/mg Cr vs 146.67 ± 232.71 pg/mg Cr, p = 0.0291) and not correlated with serum VEGFA level. Baseline urinary VEGFA was significantly associated with gender and tubular atrophy/interstitial fibrosis by stepwise multivariate regression analysis. Urinary VEGFA was higher in male patients accompanied with higher serum creatinine, larger proportion of hypertension and recurrent hematuria than in female patients. In the kidney of IgAN patients, VEGFA were robustly expressed in the parietal epithelial cells, podocytes, mesangial cells and tubular epithelial cells. After a follow-up duration of 38.53 ± 27.14 months, IgAN patients with higher urinary VEGFA level were found to have a poorer renal outcome of renal replacement therapy (HR = 1.027, p = 0.037) or composite outcome (HR = 1.023, p = 0.039) after adjusting for confounders. CONCLUSIONS Increased urinary VEGFA might reflect certain renal pathology and, although not fully specific, still could be served as a valuable noninvasive indicator in predicting renal progression of IgAN.
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Affiliation(s)
- Shaozhen Feng
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
| | - Naya Huang
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
| | - Miaorong Xue
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
| | - Puhua Zhang
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
| | - Zhong Zhong
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
| | - Qunying Guo
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
| | - Zhijian Li
- Department of NephrologyThe First Affiliated HospitalSun Yat‐sen UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of NephrologyGuangzhouChina
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Feng S, Yin Y, Li Z, Jia Y, Yan X, Li D. 781P Efficacy and safety of apatinib combined with chemotherapy in patients of cervical cancer with pulmonary metastasis. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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25
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Chen N, Wu H, Deng Z, Liao Z, Feng S, Luo Z, Chu Y, Qiu G, Li X, Jin Y, Rong S, Wang F, Gan L, Chen R, Zhao L. [An optimized protocol of meniscus cell extraction for single-cell RNA sequencing]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:1310-1318. [PMID: 34658344 DOI: 10.12122/j.issn.1673-4254.2021.09.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To optimize the protocol of meniscus cell extraction to enhance the efficiency of cell suspension preparation and maintain a high cell viability for single-cell RNA sequencing. METHODS We compared the efficiency of the routine cell extraction methods (short-time digestion and long-time digestion) and the optimized protocol for obtaining meniscus cell suspensions by evaluating the cell number obtained and the cell viability. Single-cell RNA sequencing datasets were analyzed to evaluate the stability of the cell suspension prepared using the optimized protocol. The reliability of the optimized protocol was assessed by comparing the single-cell RNA sequencing dataset obtained by the optimized protocol with published single-cell RNA sequencing datasets of the meniscus. RESULTS The optimized protocol harvested a greater number of cells (over 1×105) than the routine protocols. The cell suspension prepared with the optimized protocol showed a cell viability higher than 80%, the highest among the 3 methods. Analysis of single-cell RNA sequencing datasets showed that the ratio of the mitochondrial genes was below 20% in over 80% of the cells. CD34+ cells, MCAM+ cells and COL1A1+ cells were identified in the datasets. Comparison with the publish datasets showed that the optimized protocol was capable of harvesting COL3A1+, COL1A1+, MYLK+, BMP2+, CD93+ and CDK1+ cells. CONCLUSION Single-cell suspension prepared from the meniscus can be stably obtained using the optimized protocol for single-cell RNA sequencing using the 10× Genomics platform.
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Affiliation(s)
- N Chen
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - H Wu
- Zhujiang Hospital, Southern Medical University, Guangzhou 510080, China
| | - Z Deng
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Z Liao
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - S Feng
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Z Luo
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Y Chu
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - G Qiu
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - X Li
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Y Jin
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - S Rong
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - F Wang
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - L Gan
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - R Chen
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - L Zhao
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Wei Y, Shrestha R, Pal S, Gerken T, Feng S, McNelis J, Singh D, Thornton MM, Boyer AG, Shook MA, Chen G, Baier BC, Barkley ZR, Barrick JD, Bennett JR, Browell EV, Campbell JF, Campbell LJ, Choi Y, Collins J, Dobler J, Eckl M, Fiehn A, Fried A, Digangi JP, Barton‐Grimley R, Halliday H, Klausner T, Kooi S, Kostinek J, Lauvaux T, Lin B, McGill MJ, Meadows B, Miles NL, Nehrir AR, Nowak JB, Obland M, O’Dell C, Fao RMP, Richardson SJ, Richter D, Roiger A, Sweeney C, Walega J, Weibring P, Williams CA, Yang MM, Zhou Y, Davis KJ. Atmospheric Carbon and Transport - America (ACT-America) Data Sets: Description, Management, and Delivery. Earth Space Sci 2021; 8:e2020EA001634. [PMID: 34435081 PMCID: PMC8365738 DOI: 10.1029/2020ea001634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/19/2021] [Accepted: 05/09/2021] [Indexed: 06/13/2023]
Abstract
The ACT-America project is a NASA Earth Venture Suborbital-2 mission designed to study the transport and fluxes of greenhouse gases. The open and freely available ACT-America data sets provide airborne in situ measurements of atmospheric carbon dioxide, methane, trace gases, aerosols, clouds, and meteorological properties, airborne remote sensing measurements of aerosol backscatter, atmospheric boundary layer height and columnar content of atmospheric carbon dioxide, tower-based measurements, and modeled atmospheric mole fractions and regional carbon fluxes of greenhouse gases over the Central and Eastern United States. We conducted 121 research flights during five campaigns in four seasons during 2016-2019 over three regions of the US (Mid-Atlantic, Midwest and South) using two NASA research aircraft (B-200 and C-130). We performed three flight patterns (fair weather, frontal crossings, and OCO-2 underflights) and collected more than 1,140 h of airborne measurements via level-leg flights in the atmospheric boundary layer, lower, and upper free troposphere and vertical profiles spanning these altitudes. We also merged various airborne in situ measurements onto a common standard sampling interval, which brings coherence to the data, creates geolocated data products, and makes it much easier for the users to perform holistic analysis of the ACT-America data products. Here, we report on detailed information of data sets collected, the workflow for data sets including storage and processing of the quality controlled and quality assured harmonized observations, and their archival and formatting for users. Finally, we provide some important information on the dissemination of data products including metadata and highlights of applications of ACT-America data sets.
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Shadman M, Sharman JP, Levy MY, Porter R, Zafar SF, Burke JM, Chaudhry A, Freeman B, Misleh J, Yimer HA, Cultrera JL, Guthrie TH, Kingsley E, Rao SS, Chen DY, Zhang X, Idoine A, Cohen A, Feng S, Huang J, Flinn I. PRELIMINARY RESULTS OF THE PHASE 2 STUDY OF ZANUBRUTINIB IN PATIENTS WITH PREVIOUSLY TREATED B‐CELL MALIGNANCIES INTOLERANT TO IBRUTINIB AND/OR ACALABRUTINIB. Hematol Oncol 2021. [DOI: 10.1002/hon.42_2880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- M. Shadman
- Fred Hutchinson Cancer Research Center University of Washington Clinical Research Division Seattle, Washington USA
| | - J. P. Sharman
- Willamette Valley Cancer Institute and Research Center Clinical Research Division Eugene USA
| | - M. Y. Levy
- Texas Oncology‐Baylor Charles A. Sammons Cancer Center Hematology Dallas USA
| | - R. Porter
- SSM Health Dean Medical Group Hematology Madison USA
| | - S. F. Zafar
- Florida Cancer Specialists & Research Institute Oncology Fort Myers USA
| | - J. M. Burke
- Rocky Mountain Cancer Centers Oncology Aurora Colorado USA
| | | | - B. Freeman
- Summit Medical Group Oncology Florham Park USA
| | - J. Misleh
- Medical Oncology Hematology Consultants PA Hematology Newark USA
| | | | - J. L. Cultrera
- Florida Cancer Specialists & Research Institute Oncology Leesburg USA
| | | | - E. Kingsley
- Comprehensive Cancer Centers of Nevada Oncology Las Vegas USA
| | - S. S. Rao
- Alpha Med Physicians Group Oncology & Hematology Tinley Park USA
| | - D. Y. Chen
- BeiGene (Beijing) Co. Ltd. Beijing, China and BeiGene USA, Inc. Hematology San Mateo USA
| | - X. Zhang
- BeiGene (Beijing) Co. Ltd. Beijing, China and BeiGene USA, Inc. Hematology San Mateo USA
| | - A. Idoine
- BeiGene (Beijing) Co. Ltd. Beijing, China and BeiGene USA, Inc. Hematology San Mateo USA
| | - A. Cohen
- BeiGene (Beijing) Co. Ltd. Beijing, China and BeiGene USA, Inc. Hematology San Mateo USA
| | - S. Feng
- BeiGene (Beijing) Co. Ltd. Beijing, China and BeiGene USA, Inc. Hematology San Mateo USA
| | - J. Huang
- BeiGene (Beijing) Co. Ltd. Beijing, China and BeiGene USA, Inc. Hematology San Mateo USA
| | - I. Flinn
- Sarah Cannon Research Institute/Tennessee Oncology Oncology Nashville USA
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Zhang WQ, Chen LL, Cheng FF, Dai ZR, Feng S, Zhang J, Tian JM, Zhang T, Zhao GM. [Study on clinical symptoms and influencing factors of influenza-associated severe acute respiratory illness in children younger than 5 years old in Suzhou of China, 2011-2017]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 42:1044-1049. [PMID: 34814504 DOI: 10.3760/cma.j.cn112338-20200831-01113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To study the influencing factors of influenza-associated severe acute respiratory illness (SARI) in children younger than 5 years of old in Suzhou, and to provide evidence to support the improvement of prevention and control strategies for influenza in children. Methods: We conducted a prospective influenza surveillance for hospitalized SARI and outpatient influenza-like illness (ILI) at Children's Hospital of Soochow University from April 2011 to March 2017. We compared the clinical and other characteristics of influenza-positive patients with SARI to those with ILI to find the differences and to identify influencing factors of influenza-associated SARI, using χ2 test and unconditional logistic regression. Results: We found 786 cases of influenza-associated ILI and 413 cases of influenza-associated SARI during the study period. Cough, runny nose, shortness of breath, asthma or wheezing were more common in influenza-associated SARI than in influenza-associated ILI (P<0.01). Univariate and multivariate logistic regression showed that the influencing factors which significantly associated with increased risk of influenza-associated SARI were as follows: younger age (<6 months OR=3.6, 6-23 months aOR=2.5), respiratory infection history within 3 months (aOR=4.5), chronic lung disease history (OR=3.4), fever above 39.0 ℃ (39.0-39.9 ℃ aOR=2.4, ≥40.0 ℃ aOR=6.0), and the presence of A/H1N1 (aOR=2.3), A/H3N2 (aOR=1.9). Conclusion: Children younger than 2 years old, with a history of chronic lung disease, a history of respiratory infection within 3 months, or with a fever peak above 39.0 ℃ should seek medical advice as soon as possible or receive annual influenza vaccination to reduce the incidence of influenza-associated serious outcomes.
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Affiliation(s)
- W Q Zhang
- Department of Epidemiology, School of Public Health, Fudan University/Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai 200032, China
| | - L L Chen
- Department of Infectious Disease Prevention and Control, Suzhou Center for Disease Control and Prevention, Suzhou 215004, China
| | - F F Cheng
- Department of Infection, Children's Hospital of Soochow University, Suzhou 215003, China
| | - Z R Dai
- Department of Epidemiology, School of Public Health, Fudan University/Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai 200032, China
| | - S Feng
- Department of Epidemiology, School of Public Health, Fudan University/Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai 200032, China
| | - J Zhang
- Department of Infectious Disease Prevention and Control, Suzhou Center for Disease Control and Prevention, Suzhou 215004, China
| | - J M Tian
- Department of Infection, Children's Hospital of Soochow University, Suzhou 215003, China
| | - T Zhang
- Department of Epidemiology, School of Public Health, Fudan University/Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai 200032, China
| | - G M Zhao
- Department of Epidemiology, School of Public Health, Fudan University/Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai 200032, China
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Zheng C, Zhang SX, Zhao R, Cheng L, Kong T, Sun X, Feng S, Wang Q, Li X, Yu Q, He PF. POS0851 IDENTIFICATION OF HUB GENES AND PATHWAYS IN DERMATOMYOSITIS BY BIOINFORMATICS ANALYSIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.2026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Dermatomyositis (DM) is a chronic systemic autoimmune disease characterized by inflammatory infiltrates in the skin and muscle1. The genes and pathways in the inflamed myopathies in patients with DM are poorly understood2.Objectives:To identify the key genes and pathways associated with DM and further discover its pathogenesis.Methods:Muscle tissue gene expression profile (GSE143323) were acquired from the GEO database, which included 39 DM samples and 20 normal samples. The differentially expressed genes (DEGs) in DM muscle tissue were screened by adopting the R software. Gene ontology (GO) and Kyoto Encyclopedia of Genome (KEGG) pathway enrichment analysis was performed by Metascape online analysis tool. A protein-protein interaction (PPI) network was then constructed by STRING software using the genes in significantly different pathways. Network of DEGs was analyzed by Cytoscape software. And degree of nodes was used to screen key genes.Results:Totally, 126 DEGs were obtained, which contained 122 up-regulated and 4 down-regulated. GO analysis revealed that most of the DEGs were significantly enriched in type I interferon signaling pathway, response to interferon-gamma, collagen-containing extracellular matrix, response to interferon-alpha and bacterium, positive regulation of cell death, leukocyte chemotaxis. KEGG pathway analysis showed that upregulated DEGs enhanced pathways associated with the hepatitis C, complement and coagulation cascades, p53 signaling pathway, RIG-I-like receptor signaling, Osteoclast differentiation, and AGE-RAGE signaling pathway. Ten hub genes were identified in DM, they were ISG15, IRF7, STAT1, MX1, OASL, OAS2, OAS1, OAS3, GBP1, and IRF9 according to the Cytoscape software and cytoHubba plugin.Conclusion:The findings from this bioinformatics network analysis study identified the key hub genes that might provide new molecular markers for its diagnosis and treatment.References:[1]Olazagasti JM, Niewold TB, Reed AM. Immunological biomarkers in dermatomyositis. Curr Rheumatol Rep 2015;17(11):68. doi: 10.1007/s11926-015-0543-y [published Online First: 2015/09/26].[2]Chen LY, Cui ZL, Hua FC, et al. Bioinformatics analysis of gene expression profiles of dermatomyositis. Mol Med Rep 2016;14(4):3785-90. doi: 10.3892/mmr.2016.5703 [published Online First: 2016/09/08].[3]Zhou Y, Zhou B, Pache L, et al. Metascape provides a biologist-oriented resource for the analysis of systems-level datasets. Nat Commun 2019;10(1):1523. doi: 10.1038/s41467-019-09234-6 [published Online First: 2019/04/05].Acknowledgements:This project was supported by National Science Foundation of China (82001740), Open Fund from the Key Laboratory of Cellular Physiology (Shanxi Medical University) (KLCP2019) and Innovation Plan for Postgraduate Education in Shanxi Province (2020BY078).Disclosure of Interests:None declared
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Cheng L, Zhang SX, Song S, Zheng C, Sun X, Feng S, Kong T, Shi G, Li X, He PF, Yu Q. POS0458 IDENTIFICATION OF HUB GENES AND MOLECULAR PATHWAYS IN PATIENTS WITH RHEUMATOID ARTHRITIS BY BIOINFORMATICS ANALYSIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Rheumatoid arthritis (RA) is a chronic, inflammatory synovitis based systemic disease of unknown etiology1. The genes and pathways in the inflamed synovium of RA patients are poorly understood.Objectives:This study aims to identify differentially expressed genes (DEGs) associated with the progression of synovitis in RA using bioinformatics analysis and explore its pathogenesis2.Methods:RA expression profile microarray data GSE89408 were acquired from the public gene chip database (GEO), including 152 synovial tissue samples from RA and 28 healthy synovial tissue samples. The DEGs of RA synovial tissues were screened by adopting the R software. The Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were performed. Protein-protein interaction (PPI) networks were assembled with Cytoscape software.Results:A total of 654 DEGs (268 up-regulated genes and 386 down-regulated genes) were obtained by the differential analysis. The GO enrichment results showed that the up-regulated genes were significantly enriched in the biological processes of myeloid leukocyte activation, cellular response to interferon-gamma and immune response-regulating signaling pathway, and the down-regulated genes were significantly enriched in the biological processes of extracellular matrix, retinoid metabolic process and regulation of lipid metabolic process. The KEGG annotation showed the up-regulated genes mainly participated in the staphylococcus aureus infection, chemokine signaling pathway, lysosome signaling pathway and the down-regulated genes mainly participated in the PPAR signaling pathway, AMPK signaling pathway, ECM-receptor interaction and so on. The 9 hub genes (PTPRC, TLR2, tyrobp, CTSS, CCL2, CCR5, B2M, fcgr1a and PPBP) were obtained based on the String database model by using the Cytoscape software and cytoHubba plugin3.Conclusion:The findings identified the molecular mechanisms and the key hub genes of pathogenesis and progression of RA.References:[1]Xiong Y, Mi BB, Liu MF, et al. Bioinformatics Analysis and Identification of Genes and Molecular Pathways Involved in Synovial Inflammation in Rheumatoid Arthritis. Med Sci Monit 2019;25:2246-56. doi: 10.12659/MSM.915451 [published Online First: 2019/03/28][2]Mun S, Lee J, Park A, et al. Proteomics Approach for the Discovery of Rheumatoid Arthritis Biomarkers Using Mass Spectrometry. Int J Mol Sci 2019;20(18) doi: 10.3390/ijms20184368 [published Online First: 2019/09/08][3]Zhu N, Hou J, Wu Y, et al. Identification of key genes in rheumatoid arthritis and osteoarthritis based on bioinformatics analysis. Medicine (Baltimore) 2018;97(22):e10997. doi: 10.1097/MD.0000000000010997 [published Online First: 2018/06/01]Acknowledgements:This project was supported by National Science Foundation of China (82001740), Open Fund from the Key Laboratory of Cellular Physiology (Shanxi Medical University) (KLCP2019) and Innovation Plan for Postgraduate Education in Shanxi Province (2020BY078).Disclosure of Interests:None declared
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Sun X, Zhang SX, Song S, Kong T, Zheng C, Cheng L, Feng S, Shi G, LI X, He PF, Yu Q. AB0005 IDENTIFICATION OF KEY GENES AND PATHWAYS FOR PSORIASIS BASED ON GEO DATABASES BY BIOINFORMATICS ANALYSIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Psoriasis is an immune-mediated, genetic disease manifesting in the skin or joints or both, and also has a strong genetic predisposition and autoimmune pathogenic traits1. The hallmark of psoriasis is sustained inflammation that leads to uncontrolled keratinocyte proliferation and dysfunctional differentiation. And it’s also a chronic relapsing disease, which often necessitates a long-term therapy2.Objectives:To investigate the molecular mechanisms of psoriasis and find the potential gene targets for diagnosis and treating psoriasis.Methods:Total 334 gene expression data of patients with psoriasis research (GSE13355 GSE14905 and GSE30999) were obtained from the Gene Expression Omnibus database. After data preprocessing and screening of differentially expressed genes (DEGs) by R software. Online toll Metascape3 was used to analyze Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis of DEGs. Interactions of proteins encoded by DEGs were discovered by Protein-protein interaction network (PPI) using STRING online software. Cytoscape software was utilized to visualize PPI and the degree of each DEGs was obtained by analyzing the topological structure of the PPI network.Results:A total of 611 DEGs were found to be differentially expressed in psoriasis. GO analysis revealed that up-regulated DEGs were mostly associated with defense and response to external stimulus while down-regulated DEGs were mostly associated with metabolism and synthesis of lipids. KEGG enrichment analysis suggested they were mainly enriched in IL-17 signaling, Toll-like receptor signaling and PPAR signaling pathways, Cytokine-cytokine receptor interaction and lipid metabolism. In addition, top 9 key genes (CXCL10, OASL, IFIT1, IFIT3, RSAD2, MX1, OAS1, IFI44 and OAS2) were identified through Cytoscape.Conclusion:DEGs of psoriasis may play an essential role in disease development and may be potential pathogeneses of psoriasis.References:[1]Boehncke WH, Schon MP. Psoriasis. Lancet 2015;386(9997):983-94. doi: 10.1016/S0140-6736(14)61909-7 [published Online First: 2015/05/31].[2]Zhang YJ, Sun YZ, Gao XH, et al. Integrated bioinformatic analysis of differentially expressed genes and signaling pathways in plaque psoriasis. Mol Med Rep 2019;20(1):225-35. doi: 10.3892/mmr.2019.10241 [published Online First: 2019/05/23].[3]Zhou Y, Zhou B, Pache L, et al. Metascape provides a biologist-oriented resource for the analysis of systems-level datasets. Nat Commun 2019;10(1):1523. doi: 10.1038/s41467-019-09234-6 [published Online First: 2019/04/05].Acknowledgements:This project was supported by National Science Foundation of China (82001740), Open Fund from the Key Laboratory of Cellular Physiology (Shanxi Medical University) (KLCP2019) and Innovation Plan for Postgraduate Education in Shanxi Province (2020BY078).Disclosure of Interests:None declared
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Kong T, Zhang SX, Song S, Sun X, Zheng C, Feng S, Cheng L, Shi G, Li X, He PF, Yu Q. POS0742 SCREENING AND BIOINFORMATICS ANALYSIS OF HUB GENES AND PATHWAYS FOR PRIMARY SJÖGREN’S SYNDROME BASED ON GEO DATABASE. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Primary Sjögren’s syndrome (pSS) is an autoimmune disease that featured as lymphoplasmacytic infiltration of the exocrine glands leading to sicca symptoms1. However, its underlying molecular mechanisms remain elusive.Objectives:This study aims to identify differentially expressed genes (DEGs) and pathways associated with the progression of pSS using bioinformatics analysis and explore its pathogenesis.Methods:The pSS-associated gene chip data set GSE66795 was obtained from the Gene Expression Omnibus (GEO) database, which included 131 cases of fully-phenotyped pSS patients’ whole blood samples and 29 cases of control samples. DEGs were screened Using R software. Online tool Metascape2 was used to make Gene Ontology (GO) and KEGG pathway enrichment. The PPI network was performed using String database. Hub genes were identified by Cytoscape.Results:A total of 108 DEGs were captured, including 101 up-regulated genes and 7 down-regulated genes. GO enrichment showed that these DEGs were primarily enriched in defense response to virus, response to interferon-gamma, regulation of innate immune response, response to interferon-beta, double-stranded RNA binding, response to interferon-alpha. KEGG pathway enrichment analysis showed these DEGs were principally enriched in Influenza A, RIG-I-like receptor signaling pathway, necroptosis, Staphylococcus aureus infection. Finally, 9 hub genes (STAT1, IRF7, OAS2, GBP1, OAS1, IFIT3, IFIH1, OAS3, DDX60) had highest degree value.Conclusion:The findings identified molecular mechanisms and the key hub genes that may involve in the occurrence and development of pSS.References:[1]Francois H, Mariette X. Renal involvement in primary Sjogren syndrome. Nat Rev Nephrol 2016;12(2):82-93. doi: 10.1038/nrneph.2015.174 [published Online First: 2015/11/17].[2]Zhou Y, Zhou B, Pache L, et al. Metascape provides a biologist-oriented resource for the analysis of systems-level datasets. Nat Commun 2019;10(1):1523. doi: 10.1038/s41467-019-09234-6 [published Online First: 2019/04/05].Acknowledgements:This project was supported by National Science Foundation of China (82001740), Open Fund from the Key Laboratory of Cellular Physiology (Shanxi Medical University) (KLCP2019) and Innovation Plan for Postgraduate Education in Shanxi Province (2020BY078).Disclosure of Interests:None declared
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Feng S, Clarkson T, Harkness G. Using the TWIST scoring system to evaluate for testicular torsion safely reduces unnecessary ultrasound and surgical exploration. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01516-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Feng S, Zhang SX, Zhao R, Zheng C, Cheng L, Kong T, Sun X, Wang Q, Li X, Yu Q, He PF. POS0848 IDENTIFICATION OF POTENTIAL CRUCIAL GENES AND KEY PATHWAYS IN PULMONARY ARTERIAL HYPERTENSION WITH SYSTEMIC SCLEROSIS BY BIOINFORMATIC ANALYSIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Pulmonary arterial hypertension with systemic sclerosis (SSc-PAH) is the main cause of death in patients with SSc. Early diagnosis and timely treatment are very important to reduce the mortality of patients with SSc-PAH1. At present, there are not many sensitive markers for the diagnosis of SSc-PAH. Therefore, it is necessary to mine more sensitive markers as more accurate and practical predictors, which is of great significance for the diagnosis and treatment of SSc-PAH.Objectives:To discover the differentially expressed genes (DEGs) and activated signaling pathways in SSc-PAH.Methods:Fifty-five samples (27 SSc-PAH v.s 28 normal controls) in GSE33463 chip data obtained from Gene Expression Omnibus (GEO) were included in this study. DEGs in SSc-PAH patients were screened by R, key pathways and hub genes were discoved by Metascape2, STRING3 and Cytoscape.Results:Total 431 genes with large differences were identified, including 238 up-regulated genes and 193 down-regulated genes, after standardizing the data (|logFC| > 1; P < 0.05). GO analysis showed that the upregulated genes were mainly involved in defense response to virus, hemoglobin complex, platelet alpha granule membrane and cytokine binding. The downregulated genes were mainly characterized by positive regulation of cell death, regulation of MAPK cascade, regulation of DNA-binding transcription factor activity and transcription factor AP-1 complex. Several significant enriched pathways obtained in the KEGG pathway analysis were Influenza A, Hepatitis C, IL-17 signaling pathway, MAPK signaling pathway, Toll-like receptor signaling pathway. Finally, after the selected differential genes were introduced into STRING online software, the data information of protein interaction network was derived, and 12 core genes in the network were identified, they were CXCL8, PPBP, LPAR1, FPR2, GNG11, CXCL10, LPAR5, JUN, C3AR1, CCR2, CCR3, IRF2.Conclusion:The genes and signal pathways related to SSc-PAH discovered by bioinformatics methods could not only provided new molecular markers for its diagnosis and treatment, but also provided new ideas for its related biological research.References:[1]Zheng JN, Li Y, Yan YM, et al. Identification and Validation of Key Genes Associated With Systemic Sclerosis-Related Pulmonary Hypertension. Front Genet 2020;11:816. doi: 10.3389/fgene.2020.00816 [published Online First: 2020/08/15].[2]Zhou Y, Zhou B, Pache L, et al. Metascape provides a biologist-oriented resource for the analysis of systems-level datasets. Nat Commun 2019;10(1):1523. doi: 10.1038/s41467-019-09234-6 [published Online First: 2019/04/05].[3]Szklarczyk D, Gable AL, Lyon D, et al. STRING v11: protein-protein association networks with increased coverage, supporting functional discovery in genome-wide experimental datasets. Nucleic Acids Res 2019;47(D1):D607-D13. doi: 10.1093/nar/gky1131 [published Online First: 2018/11/27].Acknowledgements:This project was supported by National Science Foundation of China (82001740), Open Fund from the Key Laboratory of Cellular Physiology (Shanxi Medical University) (KLCP2019) and Innovation Plan for Postgraduate Education in Shanxi Province (2020BY078).Disclosure of Interests:None declared
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Yu C, Gu J, Liao Z, Feng S. Prediction of spinal anesthesia-induced hypotension during elective cesarean section: a systematic review of prospective observational studies. Int J Obstet Anesth 2021; 47:103175. [PMID: 34034957 DOI: 10.1016/j.ijoa.2021.103175] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 04/15/2021] [Accepted: 04/25/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND Spinal anesthesia is the standard for elective cesarean section but spinal anesthesia-induced hypotension remains an important problem. Accurate prediction of hypotension could enhance clinical decision-making, alter management, and facilitate early intervention. We performed a systematic review of predictors of spinal anesthesia-induced hypotension and their predictive value during cesarean section. METHODS PubMed, Embase, Cochrane Library, Google Scholar and Web of Science databases were searched for prospective observational studies assessing the diagnostic accuracy of predictors of spinal anesthesia-induced hypotension in elective cesarean section. The quality of studies was assessed and predictors were grouped in domains based on the type of predictor. RESULTS Thirty-eight studies (n=3086 patients) were included. In most studies, patients received 500-1000 mL crystalloid preload or 500-2000 mL crystalloid coload. Vasopressors for post-spinal hypotension were boluses of ephedrine 5-15 mg and/or phenylephrine 25-100 µg in most studies. The hypotension rate varied from 29% to 80% based on the definition. For analysis, >30 predictors were classified into seven domains: demographic characteristics, baseline hemodynamic variables, baseline sympathovagal balance, postural stress testing, peripheral perfusion indices, blood volume and fluid responsiveness indices, and genetic polymorphism. CONCLUSIONS Environmental and individual factors increased outcome variability, which restricted the value of the autonomic nervous system and peripheral perfusion indices for prediction of spinal anesthesia-induced hypotension. Supine stress tests may reflect parturients' cardiovascular tolerance during hemodynamic fluctuations and may optimize the predictive value of static state predictors. Future research for predicting spinal anesthesia-induced hypotension should focus on composite and dynamic parameters during the supine stress tests.
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Affiliation(s)
- C Yu
- Department of Anesthesiology and Key Laboratory of Birth Defects and Related Diseases of Women and Children Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - J Gu
- Department of Anesthesiology and Key Laboratory of Birth Defects and Related Diseases of Women and Children Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Z Liao
- Department of Anesthesiology and Key Laboratory of Birth Defects and Related Diseases of Women and Children Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - S Feng
- Department of Anesthesiology and Key Laboratory of Birth Defects and Related Diseases of Women and Children Sichuan University, Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China.
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Huang M, Feng S, Yang C, Wen F, He D, Jiang P. Construction of an MnO 2 nanosheet array 3D integrated electrode for sensitive enzyme-free glucose sensing. Anal Methods 2021; 13:1247-1254. [PMID: 33615320 DOI: 10.1039/d0ay02163f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
MnO2 based electrochemical enzyme-free glucose sensors remain significantly limited by their low electronic conductivity and associated complex preparation. In this paper, an MnO2 nanosheet array supported on nickel foam (MnO2 NS/NF) was prepared using a simple hydrothermal synthesis and employed as a 3D integrated electrode for enzyme-free glucose detection. It was found that MnO2 NS/NF shows high performance with a wide linear range from 1 μM to 1.13 mM, a high sensitivity of 6.45 mA mM-1 cm-2, and a low detection limit of 0.5 μM (S/N = 3). Besides, MnO2 NS/NF shows high selectivity against common interferences and good reliability for glucose detection in human serum. This work demonstrates the promising role of MnO2 NS/NF as an efficient integrated electrode in enzyme-free glucose detection with high performance.
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Affiliation(s)
- M Huang
- Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, China.
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Zhong Z, Shi D, Xiao M, Fu D, Feng S, Kong Q, Li J, Li Z. Expression profile of Fc receptor-like molecules in patients with IgA nephropathy. Hum Immunol 2021; 82:186-192. [PMID: 33597097 DOI: 10.1016/j.humimm.2021.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Fc receptor-like (FCRL) molecules were considered to play a role in the pathogenesis of certain autoimmune diseases. Nonetheless, the clinical significance of FCRLs in IgA nephropathy (IgAN) remains unclear. OBJECTIVE This study is aimed at investigating the expression levels of FCRLs molecules in IgAN patients and determining its relevance to disease activity. METHODS The mRNA expression levels of FCRLs were determined in peripheral blood mononuclear cells (PBMCs) of 42 IgAN patients and 48 healthy controls by quantitative real-time PCR (qRT-PCR). FCRLs proteins expression in B cells of 25 IgAN patients, 14 patients with non-IgAN glomerulonephritis, and 29 healthy controls were detected by Flow cytometry. The Spearman correlation test was used to assess the correlation of FCRLs expression with clinical parameters of IgAN patients. RESULTS Our results indicated significant down-regulation of FCRL2 and FCRL3 mRNA levels in IgAN patients compared to healthy subjects. Surface protein expression of FCRLs molecules confirmed the qRT-PCR results. But FCRL2 and FCRL3 protein levels did not correlate with clinicopathologic phenotypes of IgAN patients. However, we found a significant positively correlation of FCRL2 and FCRL3 mRNA expression with the core 1 β1,3-galactosyltransferase (C1GALT1) and its molecular chaperone (Cosmc) mRNA levels in IgAN patients. CONCLUSIONS FCRL2 and FCRL3 expression levels in IgAN patients are significantly decreased and correlated with CIGALT1 and Cosmc mRNA expression.
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Affiliation(s)
- Zhong Zhong
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China
| | - Dianchun Shi
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China; Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, Guangdong 510080, China
| | - Mengjiao Xiao
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China
| | - Dongying Fu
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China
| | - Shaozhen Feng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China
| | - Qingyu Kong
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China
| | - Jianbo Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China
| | - Zhijian Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong 510080, China.
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Feng S, Gong MC, Bai H, Shen Y, Zhang SY. [The influence of orphan drug policy on the development of anti-tumor drugs]. Zhonghua Nei Ke Za Zhi 2021; 60:171-174. [PMID: 33503733 DOI: 10.3760/cma.j.cn112138-20200619-00601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Affiliation(s)
- S Feng
- Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing 100730, China
| | - M C Gong
- School of Health Management, Southern Medical University,Guangzhou 510515, China
| | - H Bai
- Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences Beijing 100730, China
| | - Y Shen
- Digital China Health, Beijing 100080, China
| | - S Y Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences Beijing 100730, China
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Zhang Q, Feng S, Wong I, Ip D, Cowling B, Lau E. Preventive measures by persons with common infectious disease symptoms in Hong Kong. Int J Infect Dis 2020. [DOI: 10.1016/j.ijid.2020.09.793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Guo Q, Huang F, Qing Y, Feng S, Xiao X, Wang Y, Liang M, Wang T, Mitch WE, Cheng J. Decreased Jagged1 expression in vascular smooth muscle cells delays endothelial regeneration in arteriovenous graft. Cardiovasc Res 2020; 116:2142-2155. [PMID: 31913453 DOI: 10.1093/cvr/cvz333] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/10/2019] [Accepted: 01/03/2020] [Indexed: 11/12/2022] Open
Abstract
AIMS It is well-established that endothelial dysfunction promotes activation of vascular smooth muscle cell (VSMC). Whether decreased accumulation of VSMCs affects endothelial regeneration and functions in arteriovenous graft (AVG) remodelling has not been studied. We sought to identify mechanisms by which the Notch ligand, Jagged1, in VSMCs regulates endothelial cell (EC) functions in AVGs. METHODS AND RESULTS AVGs were created in transgenic mice bearing VSMC-specific knockout (KO) or overexpression of Jagged1. VSMC migration, EC regeneration, and its barrier functions as well as AVG remodelling were evaluated. Jagged1 expression was induced in VSMCs of neointima in the AVGs. Jagged1 KO in VSMCs inhibited the accumulation of extracellular matrix as well as VSMC migration. Fewer α-SMA-positive VSMCs were found in AVGs created in VSMC-specific Jagged1 KO mice (VSMCJagged1 KO mice) vs. in WT mice. Decreased VSMCs in AVGs were associated with deterioration of EC functions. In AVGs created in transgenic mice bearing Jagged1 KO in VSMCs exhibited delayed EC regeneration and impaired EC barrier function. Barrier dysfunction of ECs increased inflammatory cell infiltration and dysregulation of AVG remodelling and arterialization. The increased expression of IL-1β in macrophages was associated with expression of adhesion markers in ECs in AVGs created in VSMCJagged1 KO mice. In contrast, AVGs created in mice with overexpression of Jagged1 in VSMCs exhibited improved EC regeneration plus decreased macrophage infiltration. This led to AVG remodelling and arterialization. In co-cultures of ECs and VSMCs, Jagged1 deficiency in VSMCs suppressed N-cadherin and integrin β3 expression in ECs. Inhibition of integrin β3 activation delayed EC spreading and migration. Notably, Jagged1 overexpression in VSMCs or treatment with recombinant Jagged1 stimulated the expression of N-cadherin and integrin β3 in ECs. Jagged1-induced responses were blocked by inhibition of Notch signalling. CONCLUSIONS Jagged1 expression in VSMCs maintains EC barrier functions and blocks infiltration of macrophages. These responses promote remodelling and arterialization of AVGs.
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Affiliation(s)
- Qunying Guo
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510080, China.,Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Fengzhang Huang
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Ying Qing
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Shaozhen Feng
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Xiaoguang Xiao
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Yun Wang
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Ming Liang
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Tao Wang
- Duncan Cancer Center, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - William E Mitch
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Jizhong Cheng
- Section of Nephrology, Department of Medicine, Selzman Institute for Kidney Health, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
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Zhang JY, Zhang B, Gong X, Chang J, Jia MN, Liu C, Liang RR, Chen WL, Wu CH, Feng S. Development of a new dynamic foveated imager on wide-angle infra-red thermography system to improve local spatial resolution in EAST. Rev Sci Instrum 2020; 91:116101. [PMID: 33261436 DOI: 10.1063/5.0013212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 10/14/2020] [Indexed: 06/12/2023]
Abstract
A new dynamic foveated imager has been developed and commissioned on the wide-angle infra-red thermography system in the Experimental Advanced Superconducting Tokamak. This technique improves the local spatial resolution by a factor of 2 while maintaining the wide-angle view to ensure safety operation. Taking advantage of the new foveated imager, heat flux splitting under the application of resonant magnetic perturbation (RMP) coils has been clearly observed. The results indicate that the toroidal asymmetric power load pattern is closely related to the perturbation field induced by the RMP coils.
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Affiliation(s)
- J Y Zhang
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - B Zhang
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - X Gong
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - J Chang
- School of Optics and Photonics, Beijing Institute of Technology, Zhongguancun Street, Beijing 100081, People's Republic of China
| | - M N Jia
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - C Liu
- School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China
| | - R R Liang
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
| | - W L Chen
- School of Optics and Photonics, Beijing Institute of Technology, Zhongguancun Street, Beijing 100081, People's Republic of China
| | - C H Wu
- School of Optics and Photonics, Beijing Institute of Technology, Zhongguancun Street, Beijing 100081, People's Republic of China
| | - S Feng
- School of Optics and Photonics, Beijing Institute of Technology, Zhongguancun Street, Beijing 100081, People's Republic of China
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Lin R, Lin S, Zhu J, Feng S, Wu Q, Fu J, Wang F, Li H, Li X, Zhang G, Yao Y, Xin M, Lai T, Lv X, Chen Y, Lin Y, Hong L, Lin S, Zhao S, Huang C. 290MO Patient controlled analgesia (PCA) versus non-pca intravenous hydromorphone for severe cancer pain: Update from a multi-center, phase III randomized trial, HMORCT09-1. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Feng S, Sun H, Zhu W. MiR-92 overexpression suppresses immune cell function in ovarian cancer via LATS2/YAP1/PD-L1 pathway. Clin Transl Oncol 2020; 23:450-458. [PMID: 32654106 DOI: 10.1007/s12094-020-02439-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 06/19/2020] [Indexed: 02/08/2023]
Abstract
PURPOSE Increasing evidence suggested that microRNA plays an important role in ovarian cancer. In this study, the role of miR-92 in ovarian cancer was investigated. METHODS In this study, miR-92 expression in clinical sample was evaluated, role of miR-92 was investigated in vitro, and underlying mechanism was investigated using Chip, co-IP, and western blot. RESULTS In this study, we show that miR-92 is overexpressed in ovarian cancer tissue compared with normal cancer tissue. Transfection of miR-92 increased proliferation of ovarian cancer cell, and increased migration capacity and colony formation were observed after miR-92 transfection; we found that expression of LATS2 was decreased by miR-92, and this was further confirmed by luciferase assay, which proved that miR-92 is targeting 3' of the endogenous LATS2 gene. Downregulation of LATS2 resulted in increased translocation of YAP1 and upregulation of PD-L1, which subsequently suppressed NK cell function and promoted T cell apoptosis. Moreover, co-transfection of YAP1-targeted shRNA could relieve miR-92-induced immune suppression effect. Mechanically, immunoprecipitation (IP) was used to show that LATS2 interacted with YAP1 and subsequently limited nuclear translocation of YAP1; chromatin immunoprecipitation (ChIP) was used to confirm that YAP1 could bind to enhancer region of PD-L1 to enhance transcription activity of PD-L1. CONCLUSIONS Our data revealed a novel mechanism which finally resulted in immune suppression in ovarian cancer.
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Affiliation(s)
- S Feng
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu Province, People's Republic of China
| | - H Sun
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu Province, People's Republic of China
| | - W Zhu
- Department of Gynecology and Obstetrics, The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, Jiangsu Province, People's Republic of China.
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Li N, Burette S, Jing K, Mulligan E, Yanik J, Yang B, Marinkovich M, Diaz L, Feng S, Liu Z. 085 Neutrophils are critical in linear IgA bullous dermatosis in mice. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Fan Y, Chai Y, Li K, Fang H, Mou A, Feng S, Feng M, Wang R. Non-invasive and real-time proliferative activity estimation based on a quantitative radiomics approach for patients with acromegaly: a multicenter study. J Endocrinol Invest 2020; 43:755-765. [PMID: 31849000 DOI: 10.1007/s40618-019-01159-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 12/08/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND Proliferative activity prediction is important for determining individual treatment strategies for patients with acromegaly, and tumor proliferative activity is usually measured by the expression of Ki-67. OBJECTIVE This study aimed to assess the value of a magnetic resonance imaging (MRI)-based radiomics approach in predicting the Ki-67 index of acromegaly patients. METHODS A total of 138 patients with acromegaly were retrospectively reviewed and randomly assigned to primary and validation cohorts. Radiomics features were extracted from MR images, and then the elastic net and recursive feature elimination algorithms were applied to determine critical radiomics features for constructing a radiomics signature. Subsequently, multivariable logistic regression analysis was used to select the most informative clinical features, and a radiomics nomogram incorporating a radiomics signature and selected clinical features was constructed for individual predictions. Twenty-five acromegaly patients were enrolled for multicenter model validation. RESULTS Seventeen radiomics features were selected to construct a radiomics signature that achieved an area under the curve (AUC) value of 0.96 and 0.89 in the primary cohort and the validation cohort, respectively. A radiomics nomogram that incorporated the radiomics signature and eight selected clinical features was constructed and showed good discrimination and calibration, with an AUC of 0.94 in the primary cohort and 0.91 in the validation cohort. The radiomics signature in the multicenter validation achieved an accuracy of 88.2%. The analysis of the decision curve showed that the radiomics signature and radiomics nomogram were clinically useful for patients with acromegaly. CONCLUSIONS The radiomics signature developed in this study could aid neurosurgeons in predicting the Ki-67 index of patients with acromegaly and could contribute to non-invasive measurement of proliferative activity, affecting individual treatment strategies.
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Affiliation(s)
- Y Fan
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730, China
| | - Y Chai
- Department of Neurosurgery, Yuquan Hospital, School of Clinical Medicine, Tsinghua University, Beijing, 100040, China
| | - K Li
- School of Queen Mary, Nanchang University, Nanchang, 330006, Jiangxi Province, China
| | - H Fang
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi Province, China
| | - A Mou
- Department of Radiology, Sichuan Academy of Medical Sciences, Sichuan Provincial People's Hospital, Chengdu, 610072, Sichuan Province, China
| | - S Feng
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730, China
| | - M Feng
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730, China.
| | - R Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuai Fu Yuan, Dongcheng District, Beijing, 100730, China.
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Qin Y, Zhao P, Tian Y, Feng S, Liu X, Li C, Li M, Li K, Zhu L, Liu S, Li J. THE COMPATIBILITY LAWS OF EFFECTIVE-COMPONENT COMPATIBILITY OF BUFEI YISHEN FORMULA AS AN EFFECTIVE TREATMENT FOR COPD. Chest 2020. [DOI: 10.1016/j.chest.2020.05.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Lifan Z, Sainan B, Feng S, Siyan Z, Xiaoqing L. Linezolid for the treatment of extensively drug-resistant tuberculosis: a systematic review and meta-analysis. Int J Tuberc Lung Dis 2020; 23:1293-1307. [PMID: 31931914 DOI: 10.5588/ijtld.18.0822] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING: Studies have shown that linezolid (LZD) can be used to treat extensively drug-resistant tuberculosis (XDR-TB).OBJECTIVE: To conduct a systematic review and meta-analysis to assess existing evidence concerning efficacy and safety of LZD for XDR-TB treatment.DESIGN: The MEDLINE@OVID, PubMed, EMBASE, the Cochrane Library, Clinical Trials, Sinomed, CMCI, CNKI, VIP and Wanfang databases were systematically searched for randomised controlled trials, cohort studies, case series or case reports on XDR-TB patients treated with LZD from January 2000 to December 2016. Summary estimates of the rate of sputum culture conversion, treatment success and adverse effects were calculated; data that could not be combined were summarised and described qualitatively. The combined results were examined for heterogeneity, sensitivity and publishing bias.RESULTS: Twenty-two original studies covering a total of 302 patients with XDR-TB fulfilled the inclusion criteria. Pooled estimates for sputum culture conversion and treatment success rates were respectively 93.2% and 67.4% in XDR-TB patients on LZD treatment. The pooled estimates for the rate of myelosuppression, peripheral neuropathy, optic neuritis and adverse reactions of the gastrointestinal tract were respectively 42.5%, 26.0%, 19.0% and 35.0%. Heterogeneity was mostly due to the initial dose of LZD (≤600 mg/d or >600 mg/d), as patients with a high initial dose of LZD were more likely to have myelosuppression (48.4% vs. 24.8%, P = 0.010) and adverse events of the gastrointestinal tract (41.3% vs.15.4%, P = 0.100).CONCLUSION: LZD appears to be effective for XDR-TB, but adverse events are common. An LZD dose of ≤600 mg/d as the initial dose for treating XDR-TB patients is recommended.
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Affiliation(s)
- Z Lifan
- Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Centre for Tuberculosis Research, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Clinical Epidemiology Unit, International Epidemiology Network, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - B Sainan
- Centre for Tuberculosis Research, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
| | - S Feng
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Z Siyan
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - L Xiaoqing
- Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Centre for Tuberculosis Research, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, Clinical Epidemiology Unit, International Epidemiology Network, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing
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Wang Y, Li Z, Feng S. Multiple translucent papules on the face, worsening in summer. Clin Exp Dermatol 2020; 45:783-785. [PMID: 32410292 DOI: 10.1111/ced.14235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/24/2020] [Indexed: 10/24/2022]
Affiliation(s)
- Y Wang
- Department of Dermatology, Institute of Dermatology and Hospital of Skin Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Z Li
- Department of Dermatology, Institute of Dermatology and Hospital of Skin Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - S Feng
- Department of Dermatology, Institute of Dermatology and Hospital of Skin Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
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Zhong Z, Peng F, Shi D, Peng Y, Li B, Xiao M, Feng S, Mao H, Huang F, Yang X, Li J, Li Z. Serum lipoprotein(a) and risk of mortality in patients on peritoneal dialysis. J Clin Lipidol 2020; 14:252-259. [PMID: 32081604 DOI: 10.1016/j.jacl.2020.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 01/18/2020] [Accepted: 01/21/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Elevated serum lipoprotein(a) [Lp(a)] level is an independent risk factor for atherosclerotic diseases in the general population and hemodialysis patients. However, the association between Lp(a) levels and mortality has received little attention in peritoneal dialysis (PD) patients. OBJECTIVE The objective of the study was to evaluate the association of Lp(a) levels with all-cause and cardiovascular (CV) mortality in PD patients. METHODS This retrospective cohort study was conducted in PD patients enrolled from January 1, 2006 to December 31, 2015, and followed until December 31, 2018. Cox regression models were performed to assess the association of serum Lp(a) levels with all-cause and CV mortality in PD patients. RESULTS In total, 1492 incident PD patients were eligible for the study. During a median follow-up period of 45.1 months, 402 all-cause and 210 CV deaths occurred. Multivariate Cox regression analysis revealed that the first and third tertiles of Lp(a) levels were significantly associated with increased risk for all-cause mortality [hazard ratio (HR) = 1.33, 95% confidence interval (95% CI) = 1.01-1.75, P = .041; HR = 1.53, 95% CI = 1.18-1.98, P = .001, respectively] when compared with the second tertile, and the third tertile of Lp(a) level was independently associated with an 80% increased risk of CV mortality (HR = 1.80, 95% CI = 1.26-2.56, P = .001). Moreover, our results showed that the HRs per log unit higher Lp(a) level for all-cause and CV mortality were 1.53 (95% CI = 1.05-2.22, P = .027) and 2.41 (95% CI = 1.44-4.03, P < .001), respectively. CONCLUSIONS Our results suggest that both low and high serum Lp(a) levels are risk markers for all-cause death, but only a higher baseline serum Lp(a) level is an independent risk factor for CV mortality in PD patients.
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Affiliation(s)
- Zhong Zhong
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Fenfen Peng
- Department of Nephrology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Dianchun Shi
- Department of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China
| | - Yuan Peng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Bin Li
- Clinical Trials Unit, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Mengjiao Xiao
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Shaozhen Feng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Haiping Mao
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Fengxian Huang
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Xiao Yang
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China
| | - Jianbo Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China.
| | - Zhijian Li
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China; Key Laboratory of Nephrology, National Health Commission and Guangdong Province, Guangzhou, Guangdong, China.
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Feng S, Leung AK, Liu HW, Ng CWW, Zhan LT, Chen R. Effects of thermal boundary condition on methane oxidation in landfill cover soil at different ambient temperatures. Sci Total Environ 2019; 692:490-502. [PMID: 31351291 DOI: 10.1016/j.scitotenv.2019.07.108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/23/2019] [Accepted: 07/07/2019] [Indexed: 06/10/2023]
Abstract
Microbial aerobic methane oxidation (MAMO) has been considered as an environmental-friendly method for mitigating methane emission from municipal landfill sites. Soil column has in a landfill cover under one-dimensional (1-D) condition. However, most of the published soil column tests failed to simulate 1-D heat transfer due to the use of thermal conductive boundary at the sidewall. In the present study, a heavily instrumented soil column was developed to quantify the effects of thermal boundary condition on the methane oxidation efficiency under different ambient temperatures in landfill cover soil. The sidewall of the soil column was thermally insulated to ensure 1-D heat transport as would have been typically expected in the field condition. Two soil column tests with and without thermal insulation were conducted at a range of controlled ambient temperatures from 15 to 30°C, for studying how soil moisture, matric suction, gas pressure, soil temperature and gas concentration evolve with MAMO. The test results reveal that ignoring thermal insulation in a soil column test would result in a greater loss of soil heat generation by MAMO and hence oxidation efficiency by up to 100% for the range of temperature considered. When the ambient temperature increased to 30°C (but less than the optimum temperature for MAMO), the MAMO efficiency increased abruptly at first but then decreased substantially with time, and this is likely due to the accumulation of biomass generated by MAMO.
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Affiliation(s)
- S Feng
- College of Civil Engineering, Fuzhou University, China; Key Laboratory of Soft Soils and Geoenvironmental Engineering (Zhejiang University), Ministry of Education, China; Formerly Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Hong Kong.
| | - A K Leung
- Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Hong Kong; Formerly Division of Civil Engineering, University of Dundee, UK.
| | - H W Liu
- College of Environment and Resources, Fuzhou University, Fuzhou City, Fujian Province, China; Formerly Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Hong Kong.
| | - C W W Ng
- Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Hong Kong.
| | - L T Zhan
- MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering, Department of Civil Engineering, Zhejiang University, Hangzhou, China.
| | - R Chen
- Department of Civil and Environmental Engineering, Harbin Institute of Technology, Shenzhen, China.
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