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Patel AG, Ashenberg O, Collins NB, Segerstolpe Å, Jiang S, Slyper M, Huang X, Caraccio C, Jin H, Sheppard H, Xu K, Chang TC, Orr BA, Shirinifard A, Chapple RH, Shen A, Clay MR, Tatevossian RG, Reilly C, Patel J, Lupo M, Cline C, Dionne D, Porter CBM, Waldman J, Bai Y, Zhu B, Barrera I, Murray E, Vigneau S, Napolitano S, Wakiro I, Wu J, Grimaldi G, Dellostritto L, Helvie K, Rotem A, Lako A, Cullen N, Pfaff KL, Karlström Å, Jané-Valbuena J, Todres E, Thorner A, Geeleher P, Rodig SJ, Zhou X, Stewart E, Johnson BE, Wu G, Chen F, Yu J, Goltsev Y, Nolan GP, Rozenblatt-Rosen O, Regev A, Dyer MA. A spatial cell atlas of neuroblastoma reveals developmental, epigenetic and spatial axis of tumor heterogeneity. bioRxiv 2024:2024.01.07.574538. [PMID: 38260392 PMCID: PMC10802404 DOI: 10.1101/2024.01.07.574538] [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] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Neuroblastoma is a pediatric cancer arising from the developing sympathoadrenal lineage with complex inter- and intra-tumoral heterogeneity. To chart this complexity, we generated a comprehensive cell atlas of 55 neuroblastoma patient tumors, collected from two pediatric cancer institutions, spanning a range of clinical, genetic, and histologic features. Our atlas combines single-cell/nucleus RNA-seq (sc/scRNA-seq), bulk RNA-seq, whole exome sequencing, DNA methylation profiling, spatial transcriptomics, and two spatial proteomic methods. Sc/snRNA-seq revealed three malignant cell states with features of sympathoadrenal lineage development. All of the neuroblastomas had malignant cells that resembled sympathoblasts and the more differentiated adrenergic cells. A subset of tumors had malignant cells in a mesenchymal cell state with molecular features of Schwann cell precursors. DNA methylation profiles defined four groupings of patients, which differ in the degree of malignant cell heterogeneity and clinical outcomes. Using spatial proteomics, we found that neuroblastomas are spatially compartmentalized, with malignant tumor cells sequestered away from immune cells. Finally, we identify spatially restricted signaling patterns in immune cells from spatial transcriptomics. To facilitate the visualization and analysis of our atlas as a resource for further research in neuroblastoma, single cell, and spatial-omics, all data are shared through the Human Tumor Atlas Network Data Commons at www.humantumoratlas.org.
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Affiliation(s)
- Anand G Patel
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
- These authors contributed equally
| | - Orr Ashenberg
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- These authors contributed equally
| | - Natalie B Collins
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, MA, USA
- These authors contributed equally
| | - Åsa Segerstolpe
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Sizun Jiang
- Department of Pathology, Stanford University, Stanford, CA, USA
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Michal Slyper
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Xin Huang
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Chiara Caraccio
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Hongjian Jin
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Heather Sheppard
- Comparative Pathology Core, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ke Xu
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Ti-Cheng Chang
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Brent A Orr
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Abbas Shirinifard
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Richard H Chapple
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Amber Shen
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Michael R Clay
- Department of Pathology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Ruth G Tatevossian
- Cancer Biomarkers Laboratory, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Colleen Reilly
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jaimin Patel
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Marybeth Lupo
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Cynthia Cline
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Danielle Dionne
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Caroline B M Porter
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Julia Waldman
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Yunhao Bai
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Bokai Zhu
- Department of Pathology, Stanford University, Stanford, CA, USA
| | | | - Evan Murray
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Sébastien Vigneau
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Sara Napolitano
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Isaac Wakiro
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Jingyi Wu
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Grace Grimaldi
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Laura Dellostritto
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Karla Helvie
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Asaf Rotem
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ana Lako
- Center for Immuno-Oncology (CIO), Dana-Farber Cancer Institute, Boston, MA, USA
| | - Nicole Cullen
- Center for Immuno-Oncology (CIO), Dana-Farber Cancer Institute, Boston, MA, USA
| | - Kathleen L Pfaff
- Center for Immuno-Oncology (CIO), Dana-Farber Cancer Institute, Boston, MA, USA
| | - Åsa Karlström
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Judit Jané-Valbuena
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Ellen Todres
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Aaron Thorner
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Paul Geeleher
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Scott J Rodig
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Xin Zhou
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Elizabeth Stewart
- Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Bruce E Johnson
- Center for Cancer Genomics, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Gang Wu
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Fei Chen
- Broad Institute of MIT and Harvard, Boston, MA, USA
| | - Jiyang Yu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yury Goltsev
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Garry P Nolan
- Department of Pathology, Stanford University, Stanford, CA, USA
| | - Orit Rozenblatt-Rosen
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Current address: Research and Early Development, Genentech Inc., South San Francisco, CA, 94080, USA
| | - Aviv Regev
- Klarman Cell Observatory, Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Howard Hughes Medical Institute, Chevy Chase, MD, USA
- Koch Institute of Integrative Cancer Research, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
- Current address: Research and Early Development, Genentech Inc., South San Francisco, CA, 94080, USA
- Lead contacts
| | - Michael A Dyer
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
- Lead contacts
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Zong K, Peng D, Jiang P, Li Y, Cao Z, Wu Z, Mou T, Huang Z, Shen A, Wu Z, Zhou B. Derivation and validation of a novel preoperative risk prediction model for surgical site infection in pancreaticoduodenectomy and comparison of preoperative antibiotics with different risk stratifications in retrospective cohort. J Hosp Infect 2023; 139:228-237. [PMID: 37459915 DOI: 10.1016/j.jhin.2023.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 06/16/2023] [Revised: 07/05/2023] [Accepted: 07/07/2023] [Indexed: 08/14/2023]
Abstract
BACKGROUND Surgical site infections (SSIs) are common postoperative complications of pancreaticoduodenectomy. AIM To develop a model for preoperative identification of the risk of SSI that may improve outcomes and guide preoperative antibiotics. METHODS The prediction model was built by meta-analysis. After literature search and inclusion, data extraction, and quantitative synthesis, the prediction model was established based on the pooled odds ratio of predictors. A single-centre retrospective cohort was the validation cohort. Receiver operating characteristic curves and area under the curve were used to assess the model's ability. We also created a decision curve and a calibration plot to assess the nomogram. The effects of prophylactic antibiotics on SSI were compared between groups by multivariable logistic regression with different risk stratifications. FINDINGS Twenty-eight studies were included in the meta-analysis, 17 studies in the derivation cohort. Age, male gender, body mass index, pancreatic duct diameter, high-risk diagnosis, and preoperative biliary drainage were selected to build the prediction model. The model was validated in an external cohort. The cut-off value was 3.5 and area under the curve (AUC) was 0.76 in open pancreaticoduodenectomy (OPD). In laparoscopic pancreaticoduodenectomy, the cut-off value was 4.5 and AUC was 0.69. Decision curve and calibration plot showed good usability of the model, especially in OPD. Multivariable logistic regression did not indicate differences between broad- and narrow-spectrum antibiotics for SSI in different risk stratifications. CONCLUSION The model can identify patients with a high risk of SSI preoperatively. The choice of prophylactic antibiotics under different risk stratifications should be investigated further.
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Affiliation(s)
- K Zong
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - D Peng
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - P Jiang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Y Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Z Cao
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Z Wu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - T Mou
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Z Huang
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing University Cancer Hospital, Chongqing, China
| | - A Shen
- Department of Hepatobiliary Pancreatic Tumor Center, Chongqing University Cancer Hospital, Chongqing, China
| | - Z Wu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - B Zhou
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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Chiang SS, Graham SM, Schaaf HS, Marais BJ, Sant'Anna CC, Sharma S, Starke JR, Triasih R, Achar J, Amanullah F, Armitage LY, Aurilio RB, Buck WC, Centis R, Chabala C, Cruz AT, Demers AM, du Preez K, Enimil A, Furin J, Garcia-Prats AJ, Gonzalez NE, Hoddinott G, Isaakidis P, Jaganath D, Kabra SK, Kampmann B, Kay A, Kitai I, Lopez-Varela E, Maleche-Obimbo E, Malaspina FM, Velásquez JN, Nuttall JJC, Oliwa JN, Andrade IO, Perez-Velez CM, Rabie H, Seddon JA, Sekadde MP, Shen A, Skrahina A, Soriano-Arandes A, Steenhoff AP, Tebruegge M, Tovar MA, Tsogt B, van der Zalm MM, Welch H, Migliori GB. Clinical standards for drug-susceptible TB in children and adolescents. Int J Tuberc Lung Dis 2023; 27:584-598. [PMID: 37491754 PMCID: PMC10365562 DOI: 10.5588/ijtld.23.0085] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 02/27/2023] [Indexed: 07/27/2023] Open
Abstract
BACKGROUND: These clinical standards aim to provide guidance for diagnosis, treatment, and management of drug-susceptible TB in children and adolescents.METHODS: Fifty-two global experts in paediatric TB participated in a Delphi consensus process. After eight rounds of revisions, 51/52 (98%) participants endorsed the final document.RESULTS: Eight standards were identified: Standard 1, Age and developmental stage are critical considerations in the assessment and management of TB; Standard 2, Children and adolescents with symptoms and signs of TB disease should undergo prompt evaluation, and diagnosis and treatment initiation should not depend on microbiological confirmation; Standard 3, Treatment initiation is particularly urgent in children and adolescents with presumptive TB meningitis and disseminated (miliary) TB; Standard 4, Children and adolescents should be treated with an appropriate weight-based regimen; Standard 5, Treating TB infection (TBI) is important to prevent disease; Standard 6, Children and adolescents should receive home-based/community-based treatment support whenever possible; Standard 7, Children, adolescents, and their families should be provided age-appropriate support to optimise engagement in care and clinical outcomes; and Standard 8, Case reporting and contact tracing should be conducted for each child and adolescent.CONCLUSION: These consensus-based clinical standards, which should be adapted to local contexts, will improve the care of children and adolescents affected by TB.
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Affiliation(s)
- S S Chiang
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Alpert Medical School of Brown University, Providence, RI, Center for International Health Research, Rhode Island Hospital, Providence, RI, USA
| | - S M Graham
- Department of Paediatrics, University of Melbourne, Melbourne, VIC, Burnet Institute, Melbourne, VIC, Australia
| | - H S Schaaf
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - B J Marais
- Department of Paediatrics and Child Health and the Sydney Infectious Diseases Institute (Sydney ID), Sydney, NSW, Department of Infectious Diseases, The Children's Hospital at Westmead, Sydney, NSW, Australia
| | - C C Sant'Anna
- Department of Paediatrics, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - S Sharma
- Department of Paediatrics, National Institute of Tuberculosis and Respiratory Diseases, New Delhi, India
| | - J R Starke
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, Section of Infectious Diseases, Texas Children's Hospital, Houston, TX, USA
| | - R Triasih
- Department of Paediatrics, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada/Dr Sardjito Hospital, Yogyakarta, Indonesia
| | - J Achar
- Department of Global Public Health, Karolinska Institutet, Stockholm, Sweden
| | - F Amanullah
- Department of Paediatrics, The Indus Hospital and Health Network, Karachi, Department of Paediatrics, The Aga Khan University Hospital, Karachi, Pakistan
| | - L Y Armitage
- Heartland National TB Center, University of Texas Health Science Center at Tyler, San Antonio, TX, USA
| | - R B Aurilio
- Department of Paediatrics, Instituto de Puericultura e Pediatria Martagão Gesteira, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Department of Paediatrics, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - W C Buck
- Department of Pediatrics, University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA, USA
| | - R Centis
- Respiratory Diseases Clinical Epidemiology Unit, Istituti Clinici Scientifici Maugeri, Istituto di Ricovero e Cura a Carattere Scientifico, Tradate, Italy
| | - C Chabala
- School of Medicine, Department of Paediatrics and Child Health, University of Zambia, Lusaka, Children's Hospital, University Teaching Hospitals, Lusaka, Zambia
| | - A T Cruz
- Department of Pediatrics, Baylor College of Medicine, Houston, TX
| | - A-M Demers
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa, Division of Microbiology, Department of Laboratory Medicine, CHU Sainte-Justine, Montreal, Canada
| | - K du Preez
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - A Enimil
- Department of Child Health, Kwame Nkrumah University of Science and Technology, Kumasi, Department of Child Health, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - J Furin
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, Division of Infectious Diseases, Department of Medicine, Case Western Reserve University, Cleveland, OH
| | - A J Garcia-Prats
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa, Department of Pediatrics, University of Wisconsin-Madison, Madison, WI, USA
| | - N E Gonzalez
- División Neumotisiología, Hospital de Niños Pedro de Elizalde, Buenos Aires, Dirección General de Posgrado, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - G Hoddinott
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - P Isaakidis
- Southern Africa Medical Unit (SAMU), Médecins Sans Frontières, Cape Town, South Africa, Clinical and Molecular Epidemiology Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece
| | - D Jaganath
- Division of Pediatric Infectious Diseases, Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
| | - S K Kabra
- Department of Paediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - B Kampmann
- Charite Centre for Global Health, Charite Universitatsmedizin Berlin, Berlin, Germany, Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK
| | - A Kay
- Department of Pediatrics, Baylor College of Medicine, Houston, TX
| | - I Kitai
- Department of Paediatrics, Hospital for Sick Children, Toronto, ON, Department of Pediatrics, University of Toronto, Toronto, ON, Canada
| | - E Lopez-Varela
- Hospital Clínic and ISGlobal, Universitat de Barcelona, Barcelona, Spain, Centro de Investigação em Saúde de Manhiça (CISM), Manhiça, Mozambique
| | - E Maleche-Obimbo
- Department of Paediatrics & Child Health, University of Nairobi, Nairobi, Kenya
| | - F Mestanza Malaspina
- Department of Paediatrics, Hospital San Bartólome, Lima, Red Peruana de Tuberculosis Pediátrica, Dirección de Prevención y Control de Tuberculosis, Ministerio de Salud, Lima, Perú
| | - J Niederbacher Velásquez
- Department of Paediatrics, Universidad Industrial de Santander, Bucaramanga, Board of Directors, Asociación Colombiana de Neumología Pediátrica, Bogotá, Colombia
| | - J J C Nuttall
- Paediatric Infectious Diseases Unit, Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
| | - J N Oliwa
- Faculty of Health Sciences, Department of Paediatrics and Child Health, The University of Nairobi, Nairobi, Health Services Unit, Kenya Medical Research Institute-Wellcome Trust Research Programme, Nairobi, Kenya
| | - I Orozco Andrade
- Center of Diagnosis and Integral Treatment for Tuberculosis, Servicios Médicos de la Frontera, Juárez, Medical Coordination, Juntos Binational Tuberculosis Project, Juárez, México
| | - C M Perez-Velez
- Division of Infectious Diseases, Department of Internal Medicine, University of New Mexico, Albuquerque, NM, USA
| | - H Rabie
- Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - J A Seddon
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa, Department of Infectious Disease, Imperial College London, London, UK
| | - M P Sekadde
- National TB and Leprosy Program, Ministry of Health, Kampala, Uganda
| | - A Shen
- Beijing Paediatric Research Institute, National Centre for Children's Health, Beijing Children's Hospital, Capital Medical University, Beijing, Pediatric Research Institute, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, China
| | - A Skrahina
- Clinical Department, The Republican Scientific and Practical Centre for Pulmonology and TB, Minsk, Belarus
| | - A Soriano-Arandes
- Paediatric Infectious Diseases and Immunodeficiencies Unit, Hospital Universitari Vall d'Hebron, Barcelona, Infection and Immunity in Children, Vall d'Hebron Research Institute, Barcelona, Spain
| | - A P Steenhoff
- Global Health Center and Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA, Department of Paediatric & Adolescent Health, Faculty of Medicine, University of Botswana, Gaborone, Botswana
| | - M Tebruegge
- Department of Infection, Immunity & Inflammation, University College London, Great Ormond Street Institute of Child Health, London, UK, Department of Paediatrics, Klinik Ottakring, Wiener Gesundheitsverbund, Vienna, Austria
| | - M A Tovar
- Socios En Salud Sucursal Perú, Escuela de Medicina, Facultad de Ciencias de la Salud, Universidad Peruana de Ciencias Aplicadas, Lima, Perú
| | - B Tsogt
- Research and Innovation, Mongolian Anti-TB Coalition, Ulaanbaatar, Mongolia
| | - M M van der Zalm
- Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - H Welch
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, Department of Paediatrics, The University of Papua New Guinea School of Medicine and Health Sciences, Port Moresby, Papua New Guinea
| | - G B Migliori
- Respiratory Diseases Clinical Epidemiology Unit, Istituti Clinici Scientifici Maugeri, Istituto di Ricovero e Cura a Carattere Scientifico, Tradate, Italy
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Shen A, Patel J, Kittleson M, Chang D, Esmailian G, Singer-Englar T, De Leon F, Hamilton M, Geft D, Czer L, Megna D, Kobashigawa J. Transthyretin Amyloid May Have a Protective Effect for Rejection after Heart Transplantation. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.544] [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: 04/05/2023] Open
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Wang F, Xu Y, Xiang Y, Wu P, Shen A, Wang P. The feasibility of amide proton transfer imaging at 3 T for bladder cancer: a preliminary study. Clin Radiol 2022; 77:776-783. [PMID: 35985845 DOI: 10.1016/j.crad.2022.07.002] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 05/31/2022] [Accepted: 07/04/2022] [Indexed: 11/03/2022]
Abstract
AIM To investigate the optimal amide proton transfer (APT) imaging parameters for bladder cancer (BCa), the influence of different protein concentrations and pH values on APT imaging, and to establish the reliability of APT imaging in healthy volunteers and patients with BCa. MATERIALS AND METHODS The optimal APT imaging parameters for BCa were experimentally optimised using cross-linked bovine serum albumin (BSA) phantoms. BSA phantoms were scanned with different values for the saturation power, saturation duration and number of excitations. Meanwhile, BSA phantoms containing different protein concentrations and solutions of different pH levels were scanned. The interobserver agreement of the asymmetric magnetisation transfer ratio (MTRasym) was assessed in 11 healthy volunteers and 18 patients with BCa. RESULTS The optimal scanning scheme consisted of 1 excitation, a saturation power of 2 μT, and a saturation time of 2 s. The APT signal intensity increased as the protein concentration increased and as the pH decreased. The MTRasym showed good concordance for all subjects. The MTRasym of BCa tissue was significantly higher (1.81 ± 0.71) than that of bladder wall in healthy volunteers (0.34 ± 0.12) and normal bladder wall in patients with BCa (0.31 ± 0.11; p<0.001). There was no significant difference between the bladder wall of healthy volunteers and the normal bladder wall of patients with BCa. CONCLUSION APT imaging showed potential value for application in BCa.
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Affiliation(s)
- F Wang
- Department of Radiology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China
| | - Y Xu
- Department of Radiology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China
| | - Y Xiang
- Department of Radiology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China
| | - P Wu
- Philips Healthcare, Shanghai, 200072, China
| | - A Shen
- Department of Radiology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China
| | - P Wang
- Department of Radiology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200065, China.
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Shen A, Vecerek N, Worswick S, Hogeling M. 184 Is prurigo pigmentosa simply a “keto” rash? J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.191] [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: 11/24/2022]
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Ma BQ, Meng HJ, Dong XF, Gao XL, Wu YN, Zhang W, Li SP, Shen A. [Predictive value of prognostic inflammatory and tumor score in intrahepatic cholangiocarcinoma]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:777-783. [PMID: 36038350 DOI: 10.3760/cma.j.cn501113-20211108-00539] [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: 06/15/2023]
Abstract
Objective: To compare and analyze the predictive value of different inflammatory factors and tumor markers in intrahepatic cholangiocarcinoma and to develop a new and effective preoperative prognostic scoring system. Methods: 102 and 72 cases with intrahepatic cholangiocarcinoma who underwent radical surgery in Tianjin Medical University Cancer Institute and Hospital and the Affiliated Hospital of Weifang Medical University were selected as the experimental group and the validation group, respectively. Clinicopathological and follow-up data were collected. Cox proportional-hazards model was used to analyze the predictive value of different prognostic markers. The relationship between prognostic markers and clinicopathological data was analyzed by rank sum test, χ2 or Fisher's exact test. Results: Among the direct inflammatory factors, tumor markers and combined inflammatory factors, prognostic inflammatory index (PII), carbohydrate antigen (CA) 19-9 and systemic inflammation score (SIS) were the most significant predictive factors for postoperative survival outcomes in patients with intrahepatic cholangiocarcinoma. The prognostic inflammatory and tumor score (PITS) was proposed as a new prognostic scoring system for intrahepatic cholangiocarcinoma. PII and CA19-9 were included into the scoring criteria for prognostic stratification of patients. PITS was an independent predictor of tumor-free survival and overall survival in patients with intrahepatic cholangiocarcinoma. Patients with high-grade PITS had later tumor grade and higher frequency of vascular invasion. Conclusion: PITS is highly effective prognostic scoring system for patients with intrahepatic cholangiocarcinoma. In addition, PITS is recommended for preoperative prognostic stratification in patients with intrahepatic cholangiocarcinoma.
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Affiliation(s)
- B Q Ma
- Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
| | - H J Meng
- Department of Dermatology, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
| | - X F Dong
- Department of Hepatobiliary, Pancreas and Spleen Surgery, the People's Hospital of Guangxi Zhuang Autonomous Region (Guangxi Academy of Medical Sciences), Nanning 530021, China
| | - X L Gao
- Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
| | - Y N Wu
- Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
| | - W Zhang
- Department of Hepatobiliary Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - S P Li
- Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
| | - A Shen
- Department of Hepatopancreatobiliary Surgery, Affiliated Hospital of Weifang Medical University, Weifang 261031, China
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Hoorens I, Waalboer-Spuij R, Van Coile L, Debaveye M, Shen A, Verhaeghe E, Brochez L. Health state utility instruments in patients with keratinocyte cancer and actinic keratosis: a cross-sectional study. J Eur Acad Dermatol Venereol 2022; 36:e906-e907. [PMID: 35734826 DOI: 10.1111/jdv.18349] [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] [Indexed: 11/28/2022]
Affiliation(s)
- I Hoorens
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium.,CRIG, Cancer Research Institute Ghent, Ghent, Belgium
| | - R Waalboer-Spuij
- Department of Dermatology, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - L Van Coile
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium.,CRIG, Cancer Research Institute Ghent, Ghent, Belgium
| | - M Debaveye
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - A Shen
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium
| | - E Verhaeghe
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium.,CRIG, Cancer Research Institute Ghent, Ghent, Belgium
| | - L Brochez
- Department of Dermatology, Ghent University Hospital, Ghent, Belgium.,CRIG, Cancer Research Institute Ghent, Ghent, Belgium
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Ding X, Jing N, Shen A, Guo F, Song Y, Pan M, Ma X, Zhao L, Zhang H, Wu L, Qin G, Zhao Y. MiR-21-5p in macrophage-derived extracellular vesicles affects podocyte pyroptosis in diabetic nephropathy by regulating A20. J Endocrinol Invest 2021; 44:1175-1184. [PMID: 32930981 DOI: 10.1007/s40618-020-01401-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [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: 03/19/2020] [Accepted: 08/19/2020] [Indexed: 01/01/2023]
Abstract
OBJECTIVES Podocyte pyroptosis, characterized by inflammasome activation, plays an important role in inflammation-mediated diabetic nephropathy (DN). Our study aimed to investigate whether miR-21-5p in macrophage-derived extracellular vesicles (EVs) could affect podocyte injury in DN. METHODS EVs were extracted after the treatment of RAW 264.7 (mouse macrophage line) with high glucose (HG). The podocyte pyroptosis was determined using the flow cytometry and the western blot. After the knockdown of miR-21-5p in HG-induced RAW264.7 cells, we injected the extracted EVs into DN model mice. RESULTS The level of miR-21-5p was higher in HG-stimulated macrophage-derived EVs than in normal glucose-cultured macrophage-derived EVs. The co-culture of EVs and podocytes promoted reactive oxygen species (ROS) production and activation of inflammatory in MPC5 cells (mouse podocyte line). However, restraint of miR-21-5p in EVs reduced ROS production and inhibit inflammasome activation in MPC5 cells, thereby reducing podocytes injury. Meanwhile, we found that miR-21-5p inhibited the A20 expression through binding with its 3'-untranslated regions in MPC5 cells. Further studies showed that A20 was also involved in the regulation of miR-21-5p of RAW 264.7-derived EVs on MPC5 injury. At the same time, it was also proved in the DN model mice that miR-21-5p in macrophage-derived EVs could regulate podocyte injury. CONCLUSION MiR-21-5p in macrophage-derived EVs can regulate pyroptosis-mediated podocyte injury by A20 in DN.
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Affiliation(s)
- X Ding
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - N Jing
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - A Shen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - F Guo
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - Y Song
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - M Pan
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - X Ma
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - L Zhao
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - H Zhang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - L Wu
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - G Qin
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China
| | - Y Zhao
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou City, 450052, Henan, People's Republic of China.
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Wang M, Liu F, Li Q, Yin Q, Shen A. Quality assessment of guidelines for the management of Mycobacterium tuberculosis infection in children. Int J Tuberc Lung Dis 2021; 24:287-294. [PMID: 32228758 DOI: 10.5588/ijtld.19.0224] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE: The quality of paediatric clinical practice guidelines (CPGs) for the management of Mycobacterium tuberculosis infection is unclear. We aimed to comprehensively assess the quality of these CPGs and identify areas requiring improvement.DESIGN: CPGs were systematically searched and identified before being appraised by independent reviewers using the Appraisal of Guidelines for Research and Evaluation II (AGREE II) and Reporting Items for Practice Guidelines in HealThcare (RIGHT) tools. Inter-rater reliability was assessed using intra-class correlation coefficient (ICC).RESULTS: Twenty-five CPGs were evaluated. All CPG agreements among four reviewers were good (ICC 0.753-0.939). The mean CPG score was 50.5% (23.5-78.4%), and seven CPGs were recommended for use. The mean scores of three domains were low: 38% for stakeholder involvement (5.6-93.1%), 38.4% for rigour of development (1-97.4%) and 36.3% for applicability (12.5-64.6%). The mean reporting rate of Reporting Items for Practice Guidelines in HealThcare fields was 41.8%, and the evidence field had the highest reporting rate (63.1%), while the review and quality assurance field had the lowest rate (15.4%) for CPGs that include methods.CONCLUSION: The methodological and reporting quality of the CPGs was variable and poor, respectively. More effort is needed in stakeholder involvement, rigour of development, applicability domains and reporting to produce higher-quality CPGs.
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Affiliation(s)
- M Wang
- Beijing Key Laboratory of Paediatric Respiratory Diseases, Beijing Paediatric Research Institute, Beijing, National Clinical Research Centre for Respiratory Diseases, National Key Discipline of Paediatrics, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing
| | - F Liu
- National Clinical Research Centre for Respiratory Diseases, National Key Discipline of Paediatrics, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing, Department of Interventional Pulmonology, Beijing Children's Hospital, Beijing
| | - Q Li
- National Clinical Research Centre for Respiratory Diseases, National Key Discipline of Paediatrics, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing, Department of Infectious Diseases, Beijing Children's Hospital, Beijing
| | - Q Yin
- National Clinical Research Centre for Respiratory Diseases, National Key Discipline of Paediatrics, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing, Department of Respiratory Diseases, Beijing Children's Hospital, Beijing, China
| | - A Shen
- Beijing Key Laboratory of Paediatric Respiratory Diseases, Beijing Paediatric Research Institute, Beijing, National Clinical Research Centre for Respiratory Diseases, National Key Discipline of Paediatrics, Capital Medical University, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Centre for Children's Health, Beijing
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11
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Wu X, Wang Y, Yin Q, Jiao W, Sun L, Qi H, Li J, Quan S, Xu B, Shen A. A diagnostic test that uses isothermal amplification and lateral flow detection sdaA can detect tuberculosis in 60 min. J Appl Microbiol 2020; 130:2102-2110. [PMID: 33070404 DOI: 10.1111/jam.14902] [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: 07/27/2020] [Revised: 09/29/2020] [Accepted: 10/13/2020] [Indexed: 11/28/2022]
Abstract
AIMS Tuberculosis (TB), caused by Mycobacterium tuberculosis (MTB), is now the leading cause of death from infectious disease, thus rapid diagnostic and screening techniques for TB are urgently needed. METHODS AND RESULTS Here, a detection of MTB using multiple cross displacement amplification coupling with nanoparticles-based lateral flow device (MCDA-LFD) was developed and validated, targeting the specific sdaA gene. The whole detection procedure, including rapid genomic DNA extraction (15 min), amplification (30 min) and result reporting (2 min), was completed within 50 min. No cross-reaction with non-mycobacteria and non-tuberculous mycobacteria (NTM) strains was observed. The sensitivity of sdaA-MCDA-LFD, Xpert MTB/RIF assay and culture results was 81·6, 48·3 and 37·9%, respectively, in TB patients. Among positive culture samples, the sensitivity of sdaA-MCDA-LFD and Xpert MTB/RIF assay was 93·9% (31/33) and 81·8% (27/33), respectively. Among culture-negative samples, the sensitivity of sdaA-MCDA-LFD and Xpert MTB/RIF assay was 74·1% (40/54) and 27·8% (15/54), respectively. The specificity of sdaA-MCDA-LFD and Xpert MTB/RIF was 95·4% (62/65) and 100% (65/65) in clinical samples from non-TB patients. CONCLUSION The sdaA-MCDA-LFD assay was a rapid, simple, specific and sensitive TB diagnostic test. SIGNIFICANCE AND IMPACT OF THE STUDY The sdaA-MCDA-LFD assay holds promise for application as a useful point-of-care test to detect MTB, and will play an important role in controlling and preventing TB.
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Affiliation(s)
- X Wu
- Department of Respiratory Diseases, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Y Wang
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Q Yin
- Department of Respiratory Diseases, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - W Jiao
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - L Sun
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - H Qi
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - J Li
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - S Quan
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - B Xu
- Department of Respiratory Diseases, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - A Shen
- Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, National Key Discipline of Pediatrics (Capital Medical University), Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
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Chiu S, Nayak R, Duan L, Shen A, Lee M. Triggers of stress cardiomyopathy and their association with clinical outcomes. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1811] [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: 11/13/2022] Open
Abstract
Abstract
Background
Stress cardiomyopathy can be a result of physical stress, emotional stress, or both. Whether the type of trigger affects clinical outcomes is not well studied.
Purpose
The objectives of this study were to identify the prevalence of emotional and physical stressors and to assess differences in patient characteristics and mortality based on the type of trigger.
Methods
We conducted a retrospective review of 523 consecutive patients who presented to our institution from 2006 to 2016. All patients presented with acute coronary syndrome. Triggers for stress cardiomyopathy were abstracted from reviewing patients' medical records. Patients were categorized into those with 1) physical trigger, 2) emotional trigger, 3) both physical and emotional trigger, or 4) no known trigger. Baseline characteristics and clinical outcomes were reported.
Results
Among 523 patients with stress cardiomyopathy, 151 (28.9%) had a physical trigger, 189 (36.1%) had an emotional trigger, 30 (5.7%) had both physical and emotional triggers, and 153 (29.3%) had no known triggers identified. Men comprised the higher proportion of patients with physical triggers. Comorbidities including diabetes, pulmonary disease, chronic kidney disease and hypothyroidism were more prevalent among patients with physical triggers. Compared to patients with no obvious triggers, patients with a physical trigger had a much higher mortality rate (hazard ratio 2.0, 95% CI 1.2–3.3, p=0.007), whereas patients with an emotional trigger had significantly lower mortality (hazard ratio 0.40, 95% CI 0.21–0.89, p=0.007).
Conclusion
Different triggers for stress cardiomyopathy is associated with different baseline characteristics and clinical outcomes. Overall survival is worst in the group with an identified physical trigger.
Figure 1
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- S Chiu
- Kaiser Permanente Los Angeles Medical Center, Department of Internal Medicine, Los Angeles, United States of America
| | - R Nayak
- Kaiser Permanente Los Angeles Medical Center, Department of Internal Medicine, Los Angeles, United States of America
| | - L Duan
- Kaiser Permanente Southern California, Department of Research and Evaluation, Pasadena, United States of America
| | - A Shen
- Kaiser Permanente Los Angeles Medical Center, Division of Cardiology, Los Angeles, United States of America
| | - M Lee
- Kaiser Permanente Los Angeles Medical Center, Division of Cardiology, Los Angeles, United States of America
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Lanfredini M, Bestion D, D'Auria F, Aksan N, Fillion P, Gaillard P, Heo J, Karppinen I, Kim K, Kurki J, Liu L, Shen A, Vacher JL, Wang D. Critical flow prediction by system codes – Recent analyses made within the FONESYS network. Nuclear Engineering and Design 2020. [DOI: 10.1016/j.nucengdes.2020.110731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Su D, Ning L, Zhou R, Shen A. PBI3 The Economic Evaluation Of Clopidogrel In Antiplatelet Therapy Guided By CYP2C19 Gene Polymorphism In The Treatment Of Patients With Coronary Heart Disease. Value Health Reg Issues 2020. [DOI: 10.1016/j.vhri.2020.07.011] [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: 10/23/2022]
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Youn J, Seguchi O, Cole R, Geft D, Nishihara K, Shen A, Sharoff R, Ramzy D, Kobashigawa J, Moriguchi J. Desensitization in Mechanical Circulatory Support Patients Awaiting Heart Transplantation: What is the Post-Transplant Outcome? J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.269] [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] Open
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Gomez S, Huang H, Duan J, Combrié S, Shen A, Baili G, de Rossi A, Grillot F. High coherence collapse of a hybrid III–V/Si semiconductor laser with a large quality factor. J Phys Photonics 2020. [DOI: 10.1088/2515-7647/ab6a74] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
The high-speed dynamics of a hybrid distributed feedback semiconductor laser heterogeneously integrated onto silicon is experimentally investigated in the presence of external optical feedback. The laser fabrication relies on a proper modal engineering in which light is generated in the III–V material and stored in the low-loss silicon region in order to substantially enhance the quality factor of the cavity resonator. In this work, the hybrid laser is found to be insensitive to parasitic reflections leading to a 10 Gbps floor-free transmission with a power penalty no greater than 1.5 dB at room temperature. As a conclusion, owing to the large quality factor, a high coherence collapse level is unveiled in such laser indicating its vast potential to serve as an alternative solution for the development of isolator-free applications in future photonics integrated circuits. A qualitative interpretation is also provided by linking the standard feedback equations to the quality factor of the resonator.
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Kittleson M, Patel J, Kransdorf E, Shen A, Nishihara K, Rajkumar S, Velleca A, Geft D, Czer L, Moriguchi J, Kobashigawa J. Desensitization Therapy for Mechanical Circulatory Support Patients with Existing Driveline Infection: Is It Safe with Current Desensitization Therapies? J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.264] [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: 11/15/2022] Open
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Patel J, Kittleson M, Chang D, Nishihara K, Shen A, Harris G, Velleca A, Azarbal B, Czer L, Ramzy D, Kobashigawa J. Pre-Transplant Collagen Vascular Disease as a Risk Factor for Increase in Cardiac Allograft Vasculopathy after Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.929] [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: 11/15/2022] Open
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Patel J, Kittleson M, Kransdorf E, Chang D, Czer L, Shen A, Nishihara K, Sharoff R, Hamilton M, Esmailian F, Kobashigawa J. The Natural History of Pre-Existing Donor Specific Antibody and Amnestic Responses after Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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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Seguchi O, Youn J, Geft D, Cole R, Shen A, Nishihara K, Mersola S, Runyan C, Hajj J, Ramzy D, Kobashigawa J, Moriguchi J. The Burden of Total Artificial Heart Patients and Complications after Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.158] [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: 11/29/2022] Open
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Patel J, Kittleson M, Kransdorf E, Shen A, Nishihara K, Jamero G, Azarbal B, Hage A, Czer L, Megna D, Kobashigawa J. Does the Development of Donor Specific Antibody after Heart Transplantation Depend on the Presence or Absence of Corticosteroids as Maintenance Therapy? J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.597] [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: 10/24/2022] Open
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Patel J, Kittleson M, Chang D, Nishihara K, Shen A, Sharoff R, Velleca A, Coleman B, Hage A, Czer L, Ramzy D, Kobashigawa J. 5-Year Outcome of Patients Weaned off Corticosteroids after Heart Transplantation: Is There a Downside? J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.598] [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: 11/24/2022] Open
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Patel J, Kittleson M, Chang D, Nishihara K, Shen A, Megerdichian T, Zabner R, Lor K, Czer L, Esmailian F, Trento A, Kobashigawa J. The Forgotten Hepatitis B Donor in Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.033] [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: 10/24/2022] Open
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Patel J, Kittleson M, Chang D, Nishihara K, Shen A, Mersola S, Velleca A, Hage A, Czer L, Emerson D, Kobashigawa J. Does the Dose of Mycophenolate Mofetil Impact Outcome after Heart Transplantation? J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.607] [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: 11/17/2022] Open
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Kobashigawa J, Kittleson M, Chang D, Kransdorf E, Shen A, Nishihara K, Jamero G, Coleman B, Czer L, Ramzy D, Esmailian F, Patel J. Post-Heart Transplant Outcomes of Sensitized Patients Who Have Undergone Desensitization Therapy. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.603] [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: 11/24/2022] Open
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Kittleson M, Patel J, Chang D, Nishihara K, Shen A, Velleca A, Hamilton M, Zakowski P, Czer L, Esmailian F, Kobashigawa J. Effect of the Shingles Vaccine in Altering Clinical Shingles after Heart Transplantation. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.032] [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: 10/24/2022] Open
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Torrens-Spence MP, Bobokalonova A, Carballo V, Glinkerman CM, Pluskal T, Shen A, Weng JK. PBS3 and EPS1 Complete Salicylic Acid Biosynthesis from Isochorismate in Arabidopsis. Mol Plant 2019; 12:1577-1586. [PMID: 31760159 DOI: 10.1016/j.molp.2019.11.005] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [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: 11/15/2019] [Revised: 11/16/2019] [Accepted: 11/17/2019] [Indexed: 05/20/2023]
Abstract
Salicylic acid (SA) is an important phytohormone mediating both local and systemic defense responses in plants. Despite over half a century of research, how plants biosynthesize SA remains unresolved. In Arabidopsis, a major part of SA is derived from isochorismate, a key intermediate produced by the isochorismate synthase, which is reminiscent of SA biosynthesis in bacteria. Whereas bacteria employ an isochorismate pyruvate lyase (IPL) that catalyzes the turnover of isochorismate to pyruvate and SA, plants do not contain an IPL ortholog and generate SA from isochorismate through an unknown mechanism. Combining genetic and biochemical approaches, we delineated the SA biosynthetic pathway downstream of isochorismate in Arabidopsis. We found that PBS3, a GH3 acyl adenylase-family enzyme important for SA accumulation, catalyzes ATP- and Mg2+-dependent conjugation of L-glutamate primarily to the 8-carboxyl of isochorismate and yields the key SA biosynthetic intermediate, isochorismoyl-glutamate A. Moreover, we discovered that EPS1, a BAHD acyltransferase-family protein with a previously implicated role in SA accumulation upon pathogen attack, harbors a noncanonical active site and an unprecedented isochorismoyl-glutamate A pyruvoyl-glutamate lyase activity that produces SA from the isochorismoyl-glutamate A substrate. Together, PBS3 and EPS1 form a two-step metabolic pathway to produce SA from isochorismate in Arabidopsis, which is distinct from how SA is biosynthesized in bacteria. This study closes a major knowledge gap in plant SA metabolism and would help develop new strategies for engineering disease resistance in crop plants.
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Affiliation(s)
| | - Anastassia Bobokalonova
- Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Valentina Carballo
- Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA
| | | | - Tomáš Pluskal
- Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA
| | - Amber Shen
- Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jing-Ke Weng
- Whitehead Institute for Biomedical Research, 455 Main Street, Cambridge, MA 02142, USA; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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Zhang Y, Zhang M, Wang CY, Shen A. Ketamine alleviates LPS induced lung injury by inhibiting HMGB1-RAGE level. Eur Rev Med Pharmacol Sci 2019; 22:1830-1836. [PMID: 29630133 DOI: 10.26355/eurrev_201803_14603] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Inflammatory cytokines secretion is an important reason to promote lung tissue inflammation in acute lung injury (ALI). High mobility group box 1 (HMGB-1) and its receptor for advanced glycation end products (RAGEs) play a role in ALI. Ketamine can significantly alleviate ALI, whereas its specific mechanism has not been fully elucidated. MATERIALS AND METHODS A total of 60 male Wistar rats were equally randomly divided into three groups, including ALI group which was established by 10 mg/kg LPS femoral vein injection, ketamine group which was constructed by 50 mg/kg ketamine femoral vein injection based on ALI model, and control group. Blood gas analysis was applied to detect arterial blood oxygen partial pressure (PaO2) and pH. Lung tissue wet/dry weight ratio (W/D), myeloperoxidase (MPO) and superoxide dismutase (SOD) activity were detected. Real-time PCR and ELISA were used to test HMGB-1 expression in lung tissue and serum. RAGE and NF-κB changes were determined by Real-time PCR and Western blot. RESULTS Compared with control, ALI group presented decreased PaO2 and PH, elevated W/D, enhanced MPO activity, declined SOD activity, upregulated HMGB-1 mRNA, increased HMGB-1 secretion, and increased RAGE and NF-κB mRNA and protein (p < 0.05). Ketamine treatment significantly elevated PaO2 and PH, reduced W/D, declined MPO activity, enhanced SOD activity, inhibited HMGB-1 mRNA and secretion, and downregulated RAGE and NF-κB mRNA and protein (p < 0.05). CONCLUSIONS Ketamine can alleviate LPS induced lung injury through inhibiting HMGB1-RAGE level. It could be treated as a new choice for ALI treatment.
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Affiliation(s)
- Y Zhang
- Department of ICU, Affiliated Hospital of Weifang Medical College, Weifang, China.
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Wasiak J, Tyack Z, Tacey M, Young A, Shen A, Jnr CMF. Poor Methodological Quality but Higher Reporting Standards Seen in Systematic Reviews in Radiation Dermatitis. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1422] [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: 10/26/2022]
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Patel J, Kittleson M, Levine R, Sana S, Shen A, Geft D, Azarbal B, Kransdorf E, Kobashigawa J. Heart Transplantation for Cardiac Amyloidosis - Worthwhile? J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Kransdorf E, Patel J, Kittleson M, Chang D, Dimbil S, Levine R, Shen A, Jain A, Olymbios M, Czer L, Zhang X, Kobashigawa J. What Antigens to Avoid in Heart Transplant to Optimize Outcome via the Virtual Crossmatch. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.656] [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: 10/27/2022] Open
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Khadka D, Oh G, Kim H, Shen A, Lee S, Sharma S, Yang S, So H. PO-251 Modulation of NAD+levels by NQO1 enzymatic action alleviates adriamycin-induced cardiac dysfunction in mice. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.284] [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: 11/03/2022] Open
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Fernando D, Shen A, Weinzimer L, McInnes E, Chiofalo J. 1.2-O1An analysis of asylum-seeking torture survivors' utilization of mental health services at a human rights center in the US. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky047.009] [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] [Indexed: 11/14/2022] Open
Affiliation(s)
- D Fernando
- Libertas Center for Human Rights, Elmhurst Hospital/Icahn School of Medicine at Mount Sinai, United States
| | - A Shen
- Icahn School of Medicine at Mount Sinai, New York, United States
| | - L Weinzimer
- Partnerships for Trauma Recovery, Berkeley, United States
| | - E McInnes
- Libertas Center for Human Rights, Elmhurst Hospital/Icahn School of Medicine at Mount Sinai, United States
| | - J Chiofalo
- Libertas Center for Human Rights, Elmhurst Hospital/Icahn School of Medicine at Mount Sinai, United States
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Khadka D, Oh GS, Kim HJ, Lee SH, Shen A, Lee SB, Pandit A, Sharma S, Yang SH, So HS. Augmentation of NAD+ levels by enzymatic action of NAD(P)H quinone oxidoreductase 1 attenuates adriamycin-induced cardiomyopathy. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy047.052] [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: 11/14/2022] Open
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Sun B, Fiskus W, Qian Y, Rajapakshe K, Raina K, Coleman KG, Crew AP, Shen A, Saenz DT, Mill CP, Nowak AJ, Jain N, Zhang L, Wang M, Khoury JD, Coarfa C, Crews CM, Bhalla KN. BET protein proteolysis targeting chimera (PROTAC) exerts potent lethal activity against mantle cell lymphoma cells. Leukemia 2018; 32:343-352. [PMID: 28663582 DOI: 10.1038/leu.2017.207] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 06/12/2017] [Accepted: 06/19/2017] [Indexed: 11/09/2022]
Abstract
Bromodomain extraterminal protein (BETP) inhibitors transcriptionally repress oncoproteins and nuclear factor-κB (NF-κB) target genes that undermines the growth and survival of mantle cell lymphoma (MCL) cells. However, BET bromodomain inhibitor (BETi) treatment causes accumulation of BETPs, associated with reversible binding and incomplete inhibition of BRD4 that potentially compromises the activity of BETi in MCL cells. Unlike BETi, BET-PROTACs (proteolysis-targeting chimera) ARV-825 and ARV-771 (Arvinas, Inc.) recruit and utilize an E3-ubiquitin ligase to effectively degrade BETPs in MCL cells. BET-PROTACs induce more apoptosis than BETi of MCL cells, including those resistant to ibrutinib. BET-PROTAC treatment induced more perturbations in the mRNA and protein expressions than BETi, with depletion of c-Myc, CDK4, cyclin D1 and the NF-κB transcriptional targets Bcl-xL, XIAP and BTK, while inducing the levels of HEXIM1, NOXA and CDKN1A/p21. Treatment with ARV-771, which possesses superior pharmacological properties compared with ARV-825, inhibited the in vivo growth and induced greater survival improvement than the BETi OTX015 of immune-depleted mice engrafted with MCL cells. Cotreatment of ARV-771 with ibrutinib or the BCL2 antagonist venetoclax or CDK4/6 inhibitor palbociclib synergistically induced apoptosis of MCL cells. These studies highlight promising and superior preclinical activity of BET-PROTAC than BETi, requiring further in vivo evaluation of BET-PROTAC as a therapy for ibrutinib-sensitive or -resistant MCL.
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Affiliation(s)
- B Sun
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - W Fiskus
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Y Qian
- Arvinas LLC, New Haven, CT, USA
| | - K Rajapakshe
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - K Raina
- Arvinas LLC, New Haven, CT, USA
| | | | | | - A Shen
- Arvinas LLC, New Haven, CT, USA
| | - D T Saenz
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - C P Mill
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - A J Nowak
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - N Jain
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L Zhang
- Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - M Wang
- Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - J D Khoury
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - C Coarfa
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
| | - C M Crews
- Department of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, CT, USA
- Department of Chemistry, Yale University, New Haven, CT, USA
- Department of Pharmacology, Yale University, New Haven, CT, USA
| | - K N Bhalla
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Wasiak J, Lee SJ, Paul E, Shen A, Tan H, Cleland H, Gabbe B. Female patients display poorer burn-specific quality of life 12 months after a burn injury. Injury 2017; 48:87-93. [PMID: 27476885 DOI: 10.1016/j.injury.2016.07.032] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [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: 07/02/2015] [Revised: 07/11/2016] [Accepted: 07/20/2016] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Although gender differences in morbidity and mortality have been measured in patients with moderate to severe burn injury, little attention has been directed at gender effects on health-related quality of life (HRQoL) following burn injury. The current study was therefore conducted to prospectively measure changes in HRQoL for males and females in a sample of burn patients. METHODS A total of 114 adults who received treatment at a statewide burns service for a sustained burns injury participated in this study. Instruments measuring generic health status (Short Form 36 Medical Outcomes Survey version 2), burn-specific HRQoL (Burns Specific Health Scale-Brief), psychological distress (Kessler Psychological Distress Scale) and alcohol use (Alcohol Use Disorders Identification Tool) were prospectively measured at 3, 6 and 12 months post-burn. RESULTS In the 12 months post-injury, female patients showed overall poorer physical (p=0.01) and mental health status (p<0.001), greater psychological distress (p<0.001), and greater difficulty with aspects of burn-specific HRQoL: body image (p<0.001), affect (p<0.001), interpersonal functioning (p=0.005), heat sensitivity (p=0.01) and treatment regime (p=0.01). While significant interaction effects suggested that female patients had more improvement in difficulties with treatment regime (p=0.007), female patients continued to report greater difficulty with multiple aspects of physical and psychosocial health status 12 months post-injury. CONCLUSION Even though demographic variables, injury characteristics and burn care interventions were similar across genders, following burn injury female patients reported greater impairments in generic and burn-specific HRQoL along with psychological morbidity, when compared to male patients. Urgent clinical and research attention utilising an evidence-based research framework, which incorporates the use of larger sample sizes, the use of validated instruments to measure appropriate outcomes, and a commitment to monitoring long-term care, can only improve burn-care.
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Affiliation(s)
- J Wasiak
- Victorian Adult Burns Service, The Alfred, Melbourne, Australia; Epworth Hospital, Richmond, Australia; Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
| | - S J Lee
- Monash Alfred Psychiatry Research Centre, The Alfred and Central Clinical School Monash University, Melbourne, Australia
| | - E Paul
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia; Clinical Haematology Department, The Alfred, Melbourne, Australia
| | - A Shen
- Victorian Adult Burns Service, The Alfred, Melbourne, Australia
| | - H Tan
- Victorian Adult Burns Service, The Alfred, Melbourne, Australia
| | - H Cleland
- Victorian Adult Burns Service, The Alfred, Melbourne, Australia
| | - B Gabbe
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
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Barton M, Shen A, O'Brien K, Robinson J, Davies D, Simpson K, Asztalos E, Langley J, Le Saux N, Sauve R, Synnes A, Tan B, de Repentigny L, Rubin E, Hui C, Kovacs L, Yau Y, Richardson S. 55: Early Onset Neonatal Candidiasis in Preterm Infants: Perinatal Factors, Disease Severity and Outcome. Paediatr Child Health 2015. [DOI: 10.1093/pch/20.5.e53] [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: 11/14/2022] Open
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Cheng X, Yang Y, Fan Z, Yu L, Bai H, Zhou B, Wu X, Xu H, Fang M, Shen A, Chen Q, Xu Y. MKL1 potentiates lung cancer cell migration and invasion by epigenetically activating MMP9 transcription. Oncogene 2015; 34:5570-81. [PMID: 25746000 DOI: 10.1038/onc.2015.14] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 12/17/2014] [Accepted: 01/07/2015] [Indexed: 12/24/2022]
Abstract
Malignant tumors are exemplified by excessive proliferation and aggressive migration/invasion contributing to increased mortality of cancer patients. Matrix metalloproteinase 9 (MMP9) expression is positively correlated with lung cancer malignancy. The mechanism underlying an elevated MMP9 expression is not clearly defined. We demonstrate here that the transcriptional modulator megakaryocytic leukemia 1 (MKL1) was activated by hypoxia and transforming growth factor (TGF-β), two prominent pro-malignancy factors, in cultured lung cancer cells. MKL1 levels were also increased in more invasive types of lung cancer in humans. Depletion of MKL1 in lung cancer cells attenuated migration and invasion both in vitro and in vivo. Overexpression of MKL1 potentiated the induction of MMP9 transcription by hypoxia and TGF-β, whereas MKL1 silencing diminished MMP9 expression. Of interest, MKL1 knockdown eliminated histone H3K4 methylation surrounding the MMP9 promoter. Further analyses revealed that MKL1 recruited ASH2, a component of the H3K4 methyltransferase complex, to activate MMP9 transcription. Depletion of ASH2 ameliorated cancer cell migration and invasion in an MMP9-dependent manner. Together our data indicate that MKL1 potentiates lung cancer cell migration and invasion by epigenetically activating MMP9 transcription.
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Affiliation(s)
- X Cheng
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China.,Jiangsu Institute of Nuclear Medicine, Wuxi, China
| | - Y Yang
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China.,State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Z Fan
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - L Yu
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - H Bai
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - B Zhou
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - X Wu
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - H Xu
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - M Fang
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China.,Department of Nursing, Jiangsu Jiankang Vocational University, Nanjing, China
| | - A Shen
- Department of Key Laboratory of Inflammation and Molecular Targets, Medical College, Nantong University, Nantong, China
| | - Q Chen
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
| | - Y Xu
- Key Laboratory of Cardiovascular Disease and Department of Pathophysiology, Nanjing Medical University, Nanjing, China
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Oki Y, Buglio D, Zhang J, Ying Y, Zhou S, Sureda A, Ben-Yehuda D, Zinzani PL, Prince HM, Harrison SJ, Kirschbaum M, Johnston PB, Shen A, von Tresckow B, Younes A. Immune regulatory effects of panobinostat in patients with Hodgkin lymphoma through modulation of serum cytokine levels and T-cell PD1 expression. Blood Cancer J 2014; 4:e236. [PMID: 25105535 PMCID: PMC4219471 DOI: 10.1038/bcj.2014.58] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Y Oki
- Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - D Buglio
- Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - J Zhang
- Department of Biostatistics, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Y Ying
- Department of Biostatistics, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - S Zhou
- Department of Biostatistics, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - A Sureda
- Hematology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - D Ben-Yehuda
- Hematology Division, Hadassah Medical Organization, Jerusalem, Israel
| | - P L Zinzani
- Institute of Hematology and Medical Oncology, University of Bologna, Bologna, Italy
| | - H M Prince
- Peter MacCallum Cancer Centre and University of Melbourne, Melbourne, Victoria, Australia
| | - S J Harrison
- Peter MacCallum Cancer Centre and University of Melbourne, Melbourne, Victoria, Australia
| | - M Kirschbaum
- Department of Hematology and Hematopoietic Cell Transplantation, City of Hope, Duarte, CA, USA
| | - P B Johnston
- Department of Hematology, Mayo Clinic, Rochester, MN, USA
| | - A Shen
- Novartis Pharmaceuticals, Florham Park, NJ, USA
| | | | - A Younes
- Department of Lymphoma and Myeloma, University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Kim HJ, Oh GS, Shen A, Lee SB, Choe SK, Kwon KB, Lee S, Seo KS, Kwak TH, Park R, So HS. Augmentation of NAD(+) by NQO1 attenuates cisplatin-mediated hearing impairment. Cell Death Dis 2014; 5:e1292. [PMID: 24922076 PMCID: PMC4611728 DOI: 10.1038/cddis.2014.255] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 04/18/2014] [Accepted: 05/09/2014] [Indexed: 12/20/2022]
Abstract
Cisplatin (cis-diaminedichloroplatinum-II) is an extensively used chemotherapeutic agent, and one of its most adverse effects is ototoxicity. A number of studies have demonstrated that these effects are related to oxidative stress and DNA damage. However, the precise mechanism underlying cisplatin-associated ototoxicity is still unclear. The cofactor nicotinamide adenine dinucleotide (NAD(+)) has emerged as a key regulator of cellular energy metabolism and homeostasis. Here, we demonstrate for the first time that, in cisplatin-mediated ototoxicity, the levels and activities of SIRT1 are suppressed by the reduction of intracellular NAD(+) levels. We provide evidence that the decrease in SIRT1 activity and expression facilitated by increasing poly(ADP-ribose) transferase (PARP)-1 activation and microRNA-34a through p53 activation aggravates cisplatin-mediated ototoxicity. Moreover, we show that the induction of cellular NAD(+) levels using β-lapachone (β-Lap), whose intracellular target is NQO1, prevents the toxic effects of cisplatin through the regulation of PARP-1 and SIRT1 activity. These results suggest that direct modulation of cellular NAD(+) levels by pharmacological agents could be a promising therapeutic approach for protection from cisplatin-induced ototoxicity.
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Affiliation(s)
- H-J Kim
- Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea
| | - G-S Oh
- Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea
| | - A Shen
- 1] Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea [2] BK21plus Program and Department of Smart Life-Care Convergence, Wonkwang University Graduate School, Jeonbuk, Republic of Korea
| | - S-B Lee
- 1] Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea [2] BK21plus Program and Department of Smart Life-Care Convergence, Wonkwang University Graduate School, Jeonbuk, Republic of Korea
| | - S-K Choe
- Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea
| | - K-B Kwon
- 1] Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea [2] BK21plus Program and Department of Smart Life-Care Convergence, Wonkwang University Graduate School, Jeonbuk, Republic of Korea [3] Department of Oriental Medical Physiology, College of Korean Medicine, Wonkwang University, Jeonbuk, Republic of Korea
| | - S Lee
- Life Science Research Center, KT&G Life Sciences, Suwon, Republic of Korea
| | - K-S Seo
- Life Science Research Center, KT&G Life Sciences, Suwon, Republic of Korea
| | - T H Kwak
- Life Science Research Center, KT&G Life Sciences, Suwon, Republic of Korea
| | - R Park
- 1] Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea [2] BK21plus Program and Department of Smart Life-Care Convergence, Wonkwang University Graduate School, Jeonbuk, Republic of Korea
| | - H-S So
- 1] Center for Metabolic Function Regulation, Department of Microbiology, Wonkwang University School of Medicine, Jeonbuk, Republic of Korea [2] BK21plus Program and Department of Smart Life-Care Convergence, Wonkwang University Graduate School, Jeonbuk, Republic of Korea
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Hang Q, Zhou Y, Hou S, Zhang D, Yang X, Chen J, Ben Z, Cheng C, Shen A. Asparagine-linked glycosylation of bone morphogenetic protein-2 is required for secretion and osteoblast differentiation. Glycobiology 2013; 24:292-304. [DOI: 10.1093/glycob/cwt110] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Esch C, Galperin A, Krolitzki B, Glasmacher B, Shen A, Ratner BD. Proof of Concept of a New Glucose Sensing Technology: Color-Changing Hydrogels Including au Nanoparticles. BIOMED ENG-BIOMED TE 2013; 58 Suppl 1:/j/bmte.2013.58.issue-s1-C/bmt-2013-4063/bmt-2013-4063.xml. [PMID: 24042688 DOI: 10.1515/bmt-2013-4063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
A spiking neuron circuit based on a carbon nanotube (CNT) transistor is presented in this paper. The spiking neuron circuit has a crossbar architecture in which the transistor gates are connected to its row electrodes and the transistor sources are connected to its column electrodes. An electrochemical cell is incorporated in the gate of the transistor by sandwiching a hydrogen-doped poly(ethylene glycol)methyl ether (PEG) electrolyte between the CNT channel and the top gate electrode. An input spike applied to the gate triggers a dynamic drift of the hydrogen ions in the PEG electrolyte, resulting in a post-synaptic current (PSC) through the CNT channel. Spikes input into the rows trigger PSCs through multiple CNT transistors, and PSCs cumulate in the columns and integrate into a 'soma' circuit to trigger output spikes based on an integrate-and-fire mechanism. The spiking neuron circuit can potentially emulate biological neuron networks and their intelligent functions.
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Affiliation(s)
- C-L Chen
- Department of Mechanical and Aerospace Engineering, University of California, Los Angeles, CA 90095, USA.
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Feng WX, Flores-Villanueva PO, Mokrousov I, Wu XR, Xiao J, Jiao WW, Sun L, Miao Q, Shen C, Shen D, Liu F, Jia ZW, Shen A. CCL2−2518 (A/G) polymorphisms and tuberculosis susceptibility: a meta-analysis. Int J Tuberc Lung Dis 2012; 16:150-6. [PMID: 22137597 DOI: 10.5588/ijtld.11.0205] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [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
BACKGROUND It has been found that the -2518 C-C motif ligand (CCL)-2 promoter variant increases the risk of developing active tuberculosis (TB). OBJECTIVE To study the association between -2518 variants and susceptibility to TB. DESIGN We searched Medline, PubMed and the Wan Fang databases for human genetic studies on whether the -2518 CCL2 polymorphism influences the expression of active TB. Articles published from January 1998 to November 2010 were included. A random effects model was conducted in the meta-analysis. RESULTS The CCL2-2518G allele (OR 1.51, 95%CI 1.11-2.04, P = 0.008) showed significant association with susceptibility to TB. In genotype analysis, the recessive model (CCL2 genotype GG, OR 1.66, 95%CI 1.19-2.33, P = 0.003) was slightly superior to the dominant model (G carrier genotypes OR 1.53, 95%CI 1.07-2.17, P = 0.018). These observations were prominent among Asians and Latin-Americans of Hispanic ancestry, but not in Africans from Ghana and South Africa. The presence of epistatic genes in one population but not in the other, environmental differences and pathogen virulence may account for this. CONCLUSION The CCL2-2518G allele increases the risk of developing TB in Asians and Hispanics.
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Affiliation(s)
- W-X Feng
- Beijing Pediatric Research Institute, Beijing Children's Hospital affiliated to Capital Medical University, Beijing, China
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Abstract
OBJECTIVE To assess the safety of the newer antiepileptic drugs (AEDs) during pregnancy. METHODS The study population was pregnant women who enrolled in the North American AED Pregnancy Registry between 1997 and 2011. Data on AED use and maternal characteristics were collected through phone interviews at enrollment, at 7 months' gestation, and postpartum. Malformations were confirmed by medical records. The risk of major malformations was calculated among infants exposed to specific AEDs in monotherapy during the first trimester of pregnancy and among an unexposed group. Risk ratios (RRs) and 95% confidence intervals (CIs) were estimated with logistic regression. RESULTS The risk of major malformations was 9.3% (30 of 323) for valproate, 5.5% (11 of 199) for phenobarbital, 4.2% (15 of 359) for topiramate, 3.0% (31 of 1.033) for carbamazepine, 2.9% (12 of 416) for phenytoin, 2.4% (11 of 450) for levetiracetam, and 2.0% (31 of 1,562) for lamotrigine. Compared with lamotrigine, the RR was 5.1 (95% CI 3.0-8.5) for valproate, 2.9 (1.4-5.8) for phenobarbital, and 2.2 (1.2-4.0) for topiramate. The proportion of women with epilepsy who had seizures during pregnancy ranged from 23% for valproate to 31% for lamotrigine. Valproate was associated with a higher risk of neural tube defects, hypospadias, cardiac defects, and oral clefts and phenobarbital with a higher risk of cardiac defects and oral clefts; 5 infants exposed to topiramate (1.4%) had a cleft lip. CONCLUSIONS AEDs such as valproate and phenobarbital were associated with a higher risk of major malformations than newer AEDs such as lamotrigine and levetiracetam. Topiramate was associated with an increased risk of cleft lip compared with that of a reference population.
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Affiliation(s)
- S Hernández-Díaz
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA.
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Sun M, Jiang K, Zhang F, Zhang D, Shen A, Jiang M, Shen X, Ma L. Effects of various salinities on Na(+)-K(+)-ATPase, Hsp70 and Hsp90 expression profiles in juvenile mitten crabs, Eriocheir sinensis. Genet Mol Res 2012; 11:978-86. [PMID: 22576924 DOI: 10.4238/2012.april.19.3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Eriocheir sinensis is a euryhaline crab migrating from sea to freshwater habitats during the juvenile stage. We used quantitative real-time polymerase chain reaction (qRT-PCR) to investigate the gene expression profile of Na(+)-K(+)-ATPase, Hsp70 (heat shock protein 70) and Hsp90 in megalopa exposed to salinities of 0, 2, 5, 10, and 15 parts per thousand. Both low and high salinities markedly stimulated expression of Na(+)-K(+)-ATPase, Hsp70 and Hsp90 genes of Chinese mitten crab megalopa; salinity had different effects on Na(+)-K(+)-ATPase, Hsp70 and Hsp90 levels depending on the duration of salinity stress, implying that Na(+)-K(+)-ATPase, Hsp70 and Hsp90 may play an important role in salinity tolerance in this crab species.
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Affiliation(s)
- M Sun
- Key Laboratory of Marine and Estuarine Fisheries Resources and Ecology, Ministry of Agriculture of China, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
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Mtambo A, Chan K, Shen A, Lima V, Hogg R, Montaner J, Moore D. Treatment limitations imposed by antiretroviral drug resistance mutations: implication for choices of first line regimens in resource-limited settings. HIV Med 2011; 13:141-7. [PMID: 22107262 DOI: 10.1111/j.1468-1293.2011.00950.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Recent studies have suggested that failing nonnucleoside reverse transcriptase inhibitor (NNRTI)-based regimens may have greater potential to induce the development of resistance mutations, which may limit options for second-line therapy. METHODS Antiretroviral therapy (ART)-naïve individuals aged ≥18 years who initiated triple combination ART between January 2000 and June 2006 in British Columbia, Canada were enrolled in the study. We compared genotypic sensitivity scores (GSSs) derived from the development of resistance mutations between participants who initiated ART with ritonavir-boosted protease inhibitors (PIs) with those who initiated ART with NNRTIs, and determined the effects of these mutations on remaining active drugs. RESULTS A total of 1666 participants initiated ART, 818 (49.1%) with NNRTI-based regimens and 848 (50.9%) with boosted PI-based regimens. Among participants who developed resistance mutations, those who initiated NNRTI-based regimens had a lower median GSS than those on boosted PI-based regimens (9.8 vs. 11.0, respectively; P<0.001). Participants on boosted PI-based regimens [adjusted odds ratio (AOR) 3.68; 95% confidence interval (CI) 2.25, 6.01], those with ≥95% adherence to highly active antiretroviral therapy (HAART) (AOR 1.84; 95% CI 1.16, 2.92) and those with baseline CD4 count >200 cells/μL (AOR 3.44; 95% CI 1.73, 6.84) were more likely to have the maximum number of drug options. CONCLUSION The use of NNRTI-based first-line ART regimens may limit the options for second-line treatment when the number of available drugs is limited.
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Affiliation(s)
- A Mtambo
- Simon Fraser University, Burnaby, BC, Canada.
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Provost JG, Martinez A, Shen A, Ramdane A. Single step measurement of optical transmitters Henry factor using sinusoidal optical phase modulations. Opt Express 2011; 19:21396-21403. [PMID: 22108989 DOI: 10.1364/oe.19.021396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Measurement of the Henry factor over large optical bandwidth is carried out in a single step without any filtering, using a technique based on the sinusoidal phase modulation method. This fast technique was successfully applied to a directly modulated Fabry Perot laser to obtain simultaneously the linewidth enhancement factor (LEF) of 14 longitudinal modes. It is also well suited for electro-absorption modulators (EAM) for which the α-factor is determined over 15 nm optical bandwidth. A very good agreement is found with the well established fiber transfer function method.
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Affiliation(s)
- J-G Provost
- III-V Lab, a joint lab of Alcatel-Lucent Bell Labs France, Thales Research and Technology and CEA Leti, Route de Nozay, 91460 Marcoussis, France.
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O'Brien N, Palmer AK, Zhang W, Michelow W, Shen A, Roth E, Rhodes CL, Montaner JSG, Hogg RS. P5-S6.22 Social-structural factors associated with supportive service use in a cohort of HIV-positive individuals on ARV therapy in British Columbia, Canada. Br J Vener Dis 2011. [DOI: 10.1136/sextrans-2011-050108.578] [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: 11/04/2022]
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Parashar S, Palmer A, O'Brien N, Chan K, Shen A, Coulter S, Montaner J, Hogg R. P5-S4.06 Sticking to it: the effect of maximally assisted therapy on antiretroviral treatment adherence among a cohort of unstably housed people living with HIV in BC, Canada. Br J Vener Dis 2011. [DOI: 10.1136/sextrans-2011-050108.547] [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: 11/04/2022]
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