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Yang F, Xiong WQ, Li CZ, Wu MJ, Zhang XZ, Ran CX, Li ZH, Cui Y, Liu BY, Zhao DW. Extracellular vesicles derived from mesenchymal stem cells mediate extracellular matrix remodeling in osteoarthritis through the transport of microRNA-29a. World J Stem Cells 2024; 16:191-206. [PMID: 38455098 PMCID: PMC10915956 DOI: 10.4252/wjsc.v16.i2.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/18/2023] [Accepted: 01/30/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Knee osteoarthritis (KOA) is a common orthopedic condition with an uncertain etiology, possibly involving genetics and biomechanics. Factors like changes in chondrocyte microenvironment, oxidative stress, inflammation, and immune responses affect KOA development. Early-stage treatment options primarily target symptom relief. Mesenchymal stem cells (MSCs) show promise for treatment, despite challenges. Recent research highlights microRNAs (miRNAs) within MSC-released extracellular vesicles that can potentially promote cartilage regeneration and hinder KOA progression. This suggests exosomes (Exos) as a promising avenue for future treatment. While these findings emphasize the need for effective KOA progression management, further safety and efficacy validation for Exos is essential. AIM To explore miR-29a's role in KOA, we'll create miR-29a-loaded vesicles, testing for early treatment in rat models. METHODS Extraction of bone marrow MSC-derived extracellular vesicles, preparation of engineered vesicles loaded with miR-29a using ultrasonication, and identification using quantitative reverse transcription polymerase chain reaction; after establishing a rat model of KOA, rats were randomly divided into three groups: Blank control group injected with saline, normal extracellular vesicle group injected with normal extracellular vesicle suspension, and engineered extracellular vesicle group injected with engineered extracellular vesicle suspension. The three groups were subjected to general behavioral observation analysis, imaging evaluation, gross histological observation evaluation, histological detection, and immunohistochemical detection to compare and evaluate the progress of various forms of arthritis. RESULTS General behavioral observation results showed that the extracellular vesicle group and engineered extracellular vesicle group had better performance in all four indicators of pain, gait, joint mobility, and swelling compared to the blank control group. Additionally, the engineered extracellular vesicle group had better pain relief at 4 wk and better knee joint mobility at 8 wk compared to the normal extracellular vesicle group. Imaging examination results showed that the blank control group had the fastest progression of arthritis, the normal extracellular vesicle group had a relatively slower progression, and the engineered extracellular vesicle group had the slowest progression. Gross histological observation results showed that the blank control group had the most obvious signs of arthritis, the normal extracellular vesicle group showed signs of arthritis, and the engineered extracellular vesicle group showed no significant signs of arthritis. Using the Pelletier gross score evaluation, the engineered extracellular vesicle group had the slowest progression of arthritis. Results from two types of staining showed that the articular cartilage of rats in the normal extracellular vesicle and engineered extracellular vesicle groups was significantly better than that of the blank control group, and the engineered extracellular vesicle group had the best cartilage cell and joint surface condition. Immunohistochemical detection of type II collagen and proteoglycan showed that the extracellular matrix of cartilage cells in the normal extracellular vesicle and engineered extracellular vesicle groups was better than that of the blank control group. Compared to the normal extracellular vesicle group, the engineered extracellular vesicle group had a better regulatory effect on the extracellular matrix of cartilage cells. CONCLUSION Engineered Exos loaded with miR-29a can exert anti-inflammatory effects and maintain extracellular matrix stability, thereby protecting articular cartilage, and slowing the progression of KOA.
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Affiliation(s)
- Fan Yang
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Wan-Qi Xiong
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Chen-Zhi Li
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Ming-Jian Wu
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Xiu-Zhi Zhang
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Chun-Xiao Ran
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Zhen-Hao Li
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Yan Cui
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
| | - Bao-Yi Liu
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China.
| | - De-Wei Zhao
- Department of Orthopedics, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China
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Lu AT, Fei Z, Haghani A, Robeck TR, Zoller JA, Li CZ, Lowe R, Yan Q, Zhang J, Vu H, Ablaeva J, Acosta-Rodriguez VA, Adams DM, Almunia J, Aloysius A, Ardehali R, Arneson A, Baker CS, Banks G, Belov K, Bennett NC, Black P, Blumstein DT, Bors EK, Breeze CE, Brooke RT, Brown JL, Carter GG, Caulton A, Cavin JM, Chakrabarti L, Chatzistamou I, Chen H, Cheng K, Chiavellini P, Choi OW, Clarke SM, Cooper LN, Cossette ML, Day J, DeYoung J, DiRocco S, Dold C, Ehmke EE, Emmons CK, Emmrich S, Erbay E, Erlacher-Reid C, Faulkes CG, Ferguson SH, Finno CJ, Flower JE, Gaillard JM, Garde E, Gerber L, Gladyshev VN, Gorbunova V, Goya RG, Grant MJ, Green CB, Hales EN, Hanson MB, Hart DW, Haulena M, Herrick K, Hogan AN, Hogg CJ, Hore TA, Huang T, Izpisua Belmonte JC, Jasinska AJ, Jones G, Jourdain E, Kashpur O, Katcher H, Katsumata E, Kaza V, Kiaris H, Kobor MS, Kordowitzki P, Koski WR, Krützen M, Kwon SB, Larison B, Lee SG, Lehmann M, Lemaitre JF, Levine AJ, Li C, Li X, Lim AR, Lin DTS, Lindemann DM, Little TJ, Macoretta N, Maddox D, Matkin CO, Mattison JA, McClure M, Mergl J, Meudt JJ, Montano GA, Mozhui K, Munshi-South J, Naderi A, Nagy M, Narayan P, Nathanielsz PW, Nguyen NB, Niehrs C, O'Brien JK, O'Tierney Ginn P, Odom DT, Ophir AG, Osborn S, Ostrander EA, Parsons KM, Paul KC, Pellegrini M, Peters KJ, Pedersen AB, Petersen JL, Pietersen DW, Pinho GM, Plassais J, Poganik JR, Prado NA, Reddy P, Rey B, Ritz BR, Robbins J, Rodriguez M, Russell J, Rydkina E, Sailer LL, Salmon AB, Sanghavi A, Schachtschneider KM, Schmitt D, Schmitt T, Schomacher L, Schook LB, Sears KE, Seifert AW, Seluanov A, Shafer ABA, Shanmuganayagam D, Shindyapina AV, Simmons M, Singh K, Sinha I, Slone J, Snell RG, Soltanmaohammadi E, Spangler ML, Spriggs MC, Staggs L, Stedman N, Steinman KJ, Stewart DT, Sugrue VJ, Szladovits B, Takahashi JS, Takasugi M, Teeling EC, Thompson MJ, Van Bonn B, Vernes SC, Villar D, Vinters HV, Wallingford MC, Wang N, Wayne RK, Wilkinson GS, Williams CK, Williams RW, Yang XW, Yao M, Young BG, Zhang B, Zhang Z, Zhao P, Zhao Y, Zhou W, Zimmermann J, Ernst J, Raj K, Horvath S. Author Correction: Universal DNA methylation age across mammalian tissues. Nat Aging 2023; 3:1462. [PMID: 37674040 PMCID: PMC10645586 DOI: 10.1038/s43587-023-00499-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Affiliation(s)
- A T Lu
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
| | - Z Fei
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Statistics, University of California, Riverside, Riverside, CA, USA
| | - A Haghani
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
| | - T R Robeck
- Zoological SeaWorld Parks and Entertainment, Orlando, FL, USA
| | - J A Zoller
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Z Li
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - R Lowe
- Altos Labs, Cambridge Institute of Science, Cambridge, UK
| | - Q Yan
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
| | - J Zhang
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - H Vu
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - J Ablaeva
- Department of Biology, University of Rochester, Rochester, NY, USA
| | - V A Acosta-Rodriguez
- Department of Neuroscience, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - D M Adams
- Department of Biology, University of Maryland, College Park, MD, USA
| | - J Almunia
- Loro Parque Fundacion, Puerto de la Cruz, Spain
| | - A Aloysius
- Department of Biology, University of Kentucky, Lexington, KY, USA
| | - R Ardehali
- Division of Cardiology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - A Arneson
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - C S Baker
- Marine Mammal Institute, Oregon State University, Newport, OR, USA
| | - G Banks
- School of Science and Technology, Clifton Campus, Nottingham Trent University, Nottingham, UK
| | - K Belov
- School of Life and Environmental Sciences, the University of Sydney, Sydney, New South Wales, Australia
| | - N C Bennett
- Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - P Black
- Busch Gardens Tampa, Tampa, FL, USA
| | - D T Blumstein
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
- Rocky Mountain Biological Laboratory, Crested Butte, CO, USA
| | - E K Bors
- Marine Mammal Institute, Oregon State University, Newport, OR, USA
| | - C E Breeze
- Altius Institute for Biomedical Sciences, Seattle, WA, USA
| | - R T Brooke
- Epigenetic Clock Development Foundation, Los Angeles, CA, USA
| | - J L Brown
- Center for Species Survival, Smithsonian Conservation Biology Institute, Front Royal, VA, USA
| | - G G Carter
- Department of Evolution, Ecology and Organismal Biology, The Ohio State University, Columbus, OH, USA
| | - A Caulton
- AgResearch, Invermay Agricultural Centre, Mosgiel, New Zealand
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - J M Cavin
- Gulf World, Dolphin Company, Panama City Beach, FL, USA
| | - L Chakrabarti
- School of Veterinary Medicine and Science, University of Nottingham, Nottingham, UK
| | - I Chatzistamou
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, USA
| | - H Chen
- Department of Pharmacology, Addiction Science and Toxicology, the University of Tennessee Health Science Center, Memphis, TN, USA
| | - K Cheng
- Medical Informatics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - P Chiavellini
- Biochemistry Research Institute of La Plata, Histology and Pathology, School of Medicine, University of La Plata, La Plata, Argentina
| | - O W Choi
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - S M Clarke
- AgResearch, Invermay Agricultural Centre, Mosgiel, New Zealand
| | - L N Cooper
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, OH, USA
| | - M L Cossette
- Department of Environmental and Life Sciences, Trent University, Peterborough, Ontario, Canada
| | - J Day
- Taronga Institute of Science and Learning, Taronga Conservation Society Australia, Mosman, New South Wales, Australia
| | - J DeYoung
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - S DiRocco
- SeaWorld of Florida, Orlando, FL, USA
| | - C Dold
- Zoological Operations, SeaWorld Parks and Entertainment, Orlando, FL, USA
| | | | - C K Emmons
- Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, USA
| | - S Emmrich
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - E Erbay
- Altos Labs, San Francisco, CA, USA
| | - C Erlacher-Reid
- SeaWorld of Florida, Orlando, FL, USA
- SeaWorld Orlando, Orlando, FL, USA
| | - C G Faulkes
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, UK
| | - S H Ferguson
- Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, Manitoba, Canada
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - C J Finno
- Department of Population Health and Reproduction, University of California, Davis School of Veterinary Medicine, Davis, CA, USA
| | | | - J M Gaillard
- Universite de Lyon, Universite Lyon 1, CNRS, Laboratoire de Biometrie et Biologie Evolutive, Villeurbanne, France
| | - E Garde
- Greenland Institute of Natural Resources, Nuuk, Greenland
| | - L Gerber
- Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, UNSW Sydney, Sydney, New South Wales, Australia
| | - V N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - V Gorbunova
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - R G Goya
- Biochemistry Research Institute of La Plata, Histology and Pathology, School of Medicine, University of La Plata, La Plata, Argentina
| | - M J Grant
- Applied Translational Genetics Group, School of Biological Sciences, Centre for Brain Research, the University of Auckland, Auckland, New Zealand
| | - C B Green
- Department of Neuroscience, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - E N Hales
- Department of Population Health and Reproduction, University of California, Davis School of Veterinary Medicine, Davis, CA, USA
| | - M B Hanson
- Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, USA
| | - D W Hart
- Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - M Haulena
- Vancouver Aquarium, Vancouver, British Columbia, Canada
| | - K Herrick
- SeaWorld of California, San Diego, CA, USA
| | - A N Hogan
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - C J Hogg
- School of Life and Environmental Sciences, the University of Sydney, Sydney, New South Wales, Australia
| | - T A Hore
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - T Huang
- Division of Human Genetics, Department of Pediatrics, University at Buffalo, Buffalo, NY, USA
- Division of Genetics and Metabolism, Oishei Children's Hospital, Buffalo, NY, USA
| | | | - A J Jasinska
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - G Jones
- School of Biological Sciences, University of Bristol, Bristol, UK
| | | | - O Kashpur
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, USA
| | - H Katcher
- Yuvan Research, Mountain View, CA, USA
| | | | - V Kaza
- Peromyscus Genetic Stock Center, University of South Carolina, Columbia, SC, USA
| | - H Kiaris
- Peromyscus Genetic Stock Center, University of South Carolina, Columbia, SC, USA
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - M S Kobor
- Edwin S.H. Leong Healthy Aging Program, Centre for Molecular Medicine and Therapeutics, University of British Columbia, Vancouver, British Columbia, Canada
| | - P Kordowitzki
- Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences, Olsztyn, Poland
- Institute for Veterinary Medicine, Nicolaus Copernicus University, Torun, Poland
| | - W R Koski
- LGL Limited, King City, Ontario, Canada
| | - M Krützen
- Evolutionary Genetics Group, Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
| | - S B Kwon
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - B Larison
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
- Center for Tropical Research, Institute for the Environment and Sustainability, UCLA, Los Angeles, CA, USA
| | - S G Lee
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - M Lehmann
- Biochemistry Research Institute of La Plata, Histology and Pathology, School of Medicine, University of La Plata, La Plata, Argentina
| | - J F Lemaitre
- Universite de Lyon, Universite Lyon 1, CNRS, Laboratoire de Biometrie et Biologie Evolutive, Villeurbanne, France
| | - A J Levine
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Li
- Texas Pregnancy and Life-course Health Center, Southwest National Primate Research Center, San Antonio, TX, USA
- Department of Animal Science, College of Agriculture and Natural Resources, Laramie, WY, USA
| | - X Li
- Technology Center for Genomics and Bioinformatics, Department of Pathology and Laboratory Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - A R Lim
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - D T S Lin
- Centre for Molecular Medicine and Therapeutics, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - T J Little
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - N Macoretta
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - D Maddox
- White Oak Conservation, Yulee, FL, USA
| | - C O Matkin
- North Gulf Oceanic Society, Homer, AK, USA
| | - J A Mattison
- Translational Gerontology Branch, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | | | - J Mergl
- Marineland of Canada, Niagara Falls, Ontario, Canada
| | - J J Meudt
- Biomedical and Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - G A Montano
- Zoological Operations, SeaWorld Parks and Entertainment, Orlando, FL, USA
| | - K Mozhui
- Department of Preventive Medicine, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
| | - J Munshi-South
- Louis Calder Center-Biological Field Station, Department of Biological Sciences, Fordham University, Armonk, NY, USA
| | - A Naderi
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - M Nagy
- Museum fur Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Berlin, Germany
| | - P Narayan
- Applied Translational Genetics Group, School of Biological Sciences, Centre for Brain Research, the University of Auckland, Auckland, New Zealand
| | - P W Nathanielsz
- Texas Pregnancy and Life-course Health Center, Southwest National Primate Research Center, San Antonio, TX, USA
- Department of Animal Science, College of Agriculture and Natural Resources, Laramie, WY, USA
| | - N B Nguyen
- Division of Cardiology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Niehrs
- Institute of Molecular Biology, Mainz, Germany
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - J K O'Brien
- Taronga Institute of Science and Learning, Taronga Conservation Society Australia, Mosman, New South Wales, Australia
| | - P O'Tierney Ginn
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, USA
- Department of Obstetrics and Gynecology, Tufts University School of Medicine, Boston, MA, USA
| | - D T Odom
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
- Division of Regulatory Genomics and Cancer Evolution, Deutsches Krebsforschungszentrum, Heidelberg, Germany
| | - A G Ophir
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - S Osborn
- SeaWorld of Texas, San Antonio, TX, USA
| | - E A Ostrander
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - K M Parsons
- Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, USA
| | - K C Paul
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - M Pellegrini
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - K J Peters
- Evolutionary Genetics Group, Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
| | - A B Pedersen
- Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - J L Petersen
- Department of Animal Science, University of Nebraska, Lincoln, NE, USA
| | - D W Pietersen
- Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - G M Pinho
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
| | - J Plassais
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - J R Poganik
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - N A Prado
- Department of Biology, College of Arts and Science, Adelphi University, Garden City, NY, USA
| | - P Reddy
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
- Salk Institute for Biological Studies, La Jolla, CA, USA
| | - B Rey
- Universite de Lyon, Universite Lyon 1, CNRS, Laboratoire de Biometrie et Biologie Evolutive, Villeurbanne, France
| | - B R Ritz
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
- Department of Environmental Health Sciences, UCLA Fielding School of Public Health, Los Angeles, CA, USA
- Department of Neurology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - J Robbins
- Center for Coastal Studies, Provincetown, MA, USA
| | | | - J Russell
- SeaWorld of California, San Diego, CA, USA
| | - E Rydkina
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - L L Sailer
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - A B Salmon
- The Sam and Ann Barshop Institute for Longevity and Aging Studies and Department of Molecular Medicine, UT Health San Antonio and the Geriatric Research Education and Clinical Center, South Texas Veterans Healthcare System, San Antonio, TX, USA
| | | | - K M Schachtschneider
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA
- National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - D Schmitt
- College of Agriculture, Missouri State University, Springfield, MO, USA
| | - T Schmitt
- SeaWorld of California, San Diego, CA, USA
| | | | - L B Schook
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - K E Sears
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - A W Seifert
- Department of Biology, University of Kentucky, Lexington, KY, USA
| | - A Seluanov
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - A B A Shafer
- Department of Forensic Science, Environmental and Life Sciences, Trent University, Peterborough, Ontario, Canada
| | - D Shanmuganayagam
- Biomedical and Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, USA
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - A V Shindyapina
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | | | - K Singh
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS University, Mumbai, India
| | - I Sinha
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
| | - J Slone
- Division of Human Genetics, Department of Pediatrics, University at Buffalo, Buffalo, NY, USA
| | - R G Snell
- Applied Translational Genetics Group, School of Biological Sciences, Centre for Brain Research, the University of Auckland, Auckland, New Zealand
| | - E Soltanmaohammadi
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - M L Spangler
- Department of Animal Science, University of Nebraska, Lincoln, NE, USA
| | | | - L Staggs
- SeaWorld of Florida, Orlando, FL, USA
| | | | - K J Steinman
- Species Preservation Laboratory, SeaWorld San Diego, San Diego, CA, USA
| | - D T Stewart
- Biology Department, Acadia University, Wolfville, Nova Scotia, Canada
| | - V J Sugrue
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - B Szladovits
- Department of Pathobiology and Population Sciences, Royal Veterinary College, Hatfield, UK
| | - J S Takahashi
- Department of Neuroscience, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Howard Hughes Medical Institute, Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - M Takasugi
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - E C Teeling
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - M J Thompson
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - B Van Bonn
- John G. Shedd Aquarium, Chicago, IL, USA
| | - S C Vernes
- School of Biology, the University of St Andrews, Fife, UK
- Neurogenetics of Vocal Communication Group, Max Planck Institute for Psycholinguistics, Nijmegen, the Netherlands
| | - D Villar
- Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - H V Vinters
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - M C Wallingford
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, USA
- Division of Obstetrics and Gynecology, Tufts University School of Medicine, Boston, MA, USA
| | - N Wang
- Center for Neurobehavioral Genetics, Jane and Terry Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - R K Wayne
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
| | - G S Wilkinson
- Department of Biology, University of Maryland, College Park, MD, USA
| | - C K Williams
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - R W Williams
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
| | - X W Yang
- Center for Neurobehavioral Genetics, Jane and Terry Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - M Yao
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - B G Young
- Fisheries and Oceans Canada, Winnipeg, Manitoba, Canada
| | - B Zhang
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Z Zhang
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - P Zhao
- Division of Cardiology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, CA, USA
| | - Y Zhao
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - W Zhou
- Center for Computational and Genomic Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - J Zimmermann
- Department of Mathematics and Technology, University of Applied Sciences Koblenz, Koblenz, Germany
| | - J Ernst
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - K Raj
- Altos Labs, Cambridge Institute of Science, Cambridge, UK
| | - S Horvath
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA.
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA.
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3
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Ma PF, Li S, Wang GZ, Jing XS, Liu DY, Zheng H, Li CH, Wang YS, Wang YZ, Wu Y, Zhan PY, Duan WF, Liu QQ, Yang T, Liu ZM, Jing QY, Ding ZW, Cui GF, Liu ZQ, Xia GS, Wang GX, Wang PP, Gao L, Hu DS, Zhang JL, Cao YH, Liu CY, Li ZY, Zhang JC, Li CZ, Li Z, Zhao YZ. [Safety of double and a half layered esophagojejunal anastomosis in radical gastrectomy: A prospective, multi-center, single arm trial]. Zhonghua Wei Chang Wai Ke Za Zhi 2023; 26:977-985. [PMID: 37849269 DOI: 10.3760/cma.j.cn441530-20230301-00058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
Objective: To evaluate the safety of double and a half layered esophagojejunal anastomosis in radical gastrectomy. Methods: This prospective, multi-center, single-arm study was initiated by the Affiliated Cancer Hospital of Zhengzhou University in June 2021 (CRAFT Study, NCT05282563). Participating institutions included Nanyang Central Hospital, Zhumadian Central Hospital, Luoyang Central Hospital, First Affiliated Hospital of Henan Polytechnic University, First Affiliated Hospital of Henan University, Luohe Central Hospital, the People's Hospital of Hebi, First People's Hospital of Shangqiu, Anyang Tumor Hospital, First People's Hospital of Pingdingshan, and Zhengzhou Central Hospital Affiliated to Zhengzhou University. Inclusion criteria were as follows: (1) gastric adenocarcinoma confirmed by preoperative gastroscopy;(2) preoperative imaging assessment indicated that R0 resection was feasible; (3) preoperative assessment showed no contraindications to surgery;(4) esophagojejunostomy planned during the procedure; (5) patients volunteered to participate in this study and gave their written informed consent; (6) ECOG score 0-1; and (7) ASA score I-III. Exclusion criteria were as follows: (1) history of upper abdominal surgery (except laparoscopic cholecystectomy);(2) history of gastric surgery (except endoscopic submucosal dissection and endoscopic mucosal resection); (3) pregnancy or lactation;(4) emergency surgery for gastric cancer-related complications (perforation, hemorrhage, obstruction); (5) other malignant tumors within 5 years or coexisting malignant tumors;(6) arterial embolism within 6 months, such as angina pectoris, myocardial infarction, and cerebrovascular accident; and (7) comorbidities or mental health abnormalities that could affect patients' participation in the study. Patients were eliminated from the study if: (1) radical gastrectomy could not be completed; (2) end-to-side esophagojejunal anastomosis was not performed during the procedure; or (3) esophagojejunal anastomosis reinforcement was not possible. Double and a half layered esophagojejunal anastomosis was performed as follows: (1) Open surgery: the full thickness of the anastomosis is continuously sutured, followed by embedding the seromuscular layer with barbed or 3-0 absorbable sutures. The anastomosis is sutured with an average of six to eight stitches. (2) Laparoscopic surgery: the anastomosis is strengthened by counterclockwise full-layer sutures. Once the anastomosis has been sutured to the right posterior aspect of the anastomosis, the jejunum stump is pulled to the right and the anastomosis turned over to continue to complete reinforcement of the posterior wall. The suture interval is approximately 5 mm. After completing the full-thickness suture, the anastomosis is embedded in the seromuscular layer. Relevant data of patients who had undergone radical gastrectomy in the above 12 centers from June 2021 were collected and analyzed. The primary outcome was safety (e.g., postoperative complications, and treatment). Other studied variables included details of surgery (e.g., surgery time, intraoperative bleeding), postoperative recovery (postoperative time to passing flatus and oral intake, length of hospital stay), and follow-up conditions (quality of life as assessed by Visick scores). Result: [1] From June 2021 to September 2022,457 patients were enrolled, including 355 men and 102 women of median age 60.8±10.1 years and BMI 23.7±3.2 kg/m2. The tumors were located in the upper stomach in 294 patients, mid stomach in 139; and lower stomach in 24. The surgical procedures comprised 48 proximal gastrectomies and 409 total gastrectomies. Neoadjuvant chemotherapy was administered to 85 patients. Other organs were resected in 85 patients. The maximum tumor diameter was 4.3±2.2 cm, number of excised lymph nodes 28.3±15.2, and number of positive lymph nodes five (range one to four. As to pathological stage,83 patients had Stage I disease, 128 Stage II, 237 Stage III, and nine Stage IV. [2] The studied surgery-related variables were as follows: The operation was successfully completed in all patients, 352 via a transabdominal approach, 25 via a transhiatus approach, and 80 via a transthoracoabdominal approach. The whole procedure was performed laparoscopically in 53 patients (11.6%), 189 (41.4%) underwent laparoscopic-assisted surgery, and 215 (47.0%) underwent open surgery. The median intraoperative blood loss was 200 (range, 10-1 350) mL, and the operating time 215.6±66.7 minutes. The anastomotic reinforcement time was 2 (7.3±3.9) minutes for laparoscopic-assisted surgery, 17.6±1.7 minutes for total laparoscopy, and 6.0±1.2 minutes for open surgery. [3] The studied postoperative variables were as follows: The median time to postoperative passage of flatus was 3.1±1.1 days and the postoperative gastrointestinal angiography time 6 (range, 4-13) days. The median time to postoperative oral intake was 7 (range, 2-14) days, and the postoperative hospitalization time 15.8±6.7 days. [4] The safety-related variables were as follows: In total, there were 184 (40.3%) postoperative complications. These comprised esophagojejunal anastomosis complications in 10 patients (2.2%), four (0.9%) being anastomotic leakage (including two cases of subclinical leakage and two of clinical leakage; all resolved with conservative treatment); and six patients (1.3%) with anastomotic stenosis (two who underwent endoscopic balloon dilation 21 and 46 days after surgery, the others improved after a change in diet). There was no anastomotic bleeding. Non-anastomotic complications occurred in 174 patients (38.1%). All patients attended for follow-up at least once, the median follow-up time being 10 (3-18) months. Visick grades were as follows: Class I, 89.1% (407/457); Class II, 7.9% (36/457); Class III, 2.6% (12/457); and Class IV 0.4% (2/457). Conclusion: Double and a half layered esophagojejunal anastomosis in radical gastrectomy is safe and feasible.
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Affiliation(s)
- P F Ma
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - S Li
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - G Z Wang
- Department of General Surgery, Nanyang Central Hospital, Nanyang 473000,China
| | - X S Jing
- Department of General Surgery, Nanyang Central Hospital, Nanyang 473000,China
| | - D Y Liu
- Department of General Surgery, Zhumadian Central Hospital,Zhumadian 463000, China
| | - H Zheng
- Department of General Surgery, Zhumadian Central Hospital,Zhumadian 463000, China
| | - C H Li
- Department of General Surgery, Luoyang Central Hospital,Luoyang 471000, China
| | - Y S Wang
- Department of General Surgery, Luoyang Central Hospital,Luoyang 471000, China
| | - Y Z Wang
- Department of General Surgery, The First Affiliated Hospital of Henan Polytechnic University,Jiaozuo 454000, China
| | - Y Wu
- Department of General Surgery, The First Affiliated Hospital of Henan Polytechnic University,Jiaozuo 454000, China
| | - P Y Zhan
- Department of General Surgery, The First Affiliated Hospital of Henan University,Kaifeng 475000, China
| | - W F Duan
- Department of General Surgery, The First Affiliated Hospital of Henan University,Kaifeng 475000, China
| | - Q Q Liu
- Department of General Surgery, Luohe Central Hospital,Luohe 462000, China
| | - T Yang
- Department of General Surgery, Luohe Central Hospital,Luohe 462000, China
| | - Z M Liu
- Department of General Surgery, The People's Hospital of Hebi,Hebi 458000 China
| | - Q Y Jing
- Department of General Surgery, The People's Hospital of Hebi,Hebi 458000 China
| | - Z W Ding
- Department of General Surgery, First People's Hospital of Shangqiu,Shangqiu 476000, China
| | - G F Cui
- Department of General Surgery, First People's Hospital of Shangqiu,Shangqiu 476000, China
| | - Z Q Liu
- Department of General Surgery, Anyang Tumor Hospital,Anyang 455000, China
| | - G S Xia
- Department of General Surgery, Anyang Tumor Hospital,Anyang 455000, China
| | - G X Wang
- Department of General Surgery, First People's Hospital of Pingdingshan, Pingdingshan 467000, China
| | - P P Wang
- Department of General Surgery, First People's Hospital of Pingdingshan, Pingdingshan 467000, China
| | - L Gao
- Department of Gastrointestinal Surgery, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450000, China
| | - D S Hu
- Department of Gastrointestinal Surgery, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450000, China
| | - J L Zhang
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - Y H Cao
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - C Y Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - Z Y Li
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - J C Zhang
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - C Z Li
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - Z Li
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
| | - Y Z Zhao
- Department of General Surgery, Affiliated Tumor Hospital of Zhenzhou University(Henan Tumor Hospital), Zhengzhou 450003,China
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4
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Lu AT, Fei Z, Haghani A, Robeck TR, Zoller JA, Li CZ, Lowe R, Yan Q, Zhang J, Vu H, Ablaeva J, Acosta-Rodriguez VA, Adams DM, Almunia J, Aloysius A, Ardehali R, Arneson A, Baker CS, Banks G, Belov K, Bennett NC, Black P, Blumstein DT, Bors EK, Breeze CE, Brooke RT, Brown JL, Carter GG, Caulton A, Cavin JM, Chakrabarti L, Chatzistamou I, Chen H, Cheng K, Chiavellini P, Choi OW, Clarke SM, Cooper LN, Cossette ML, Day J, DeYoung J, DiRocco S, Dold C, Ehmke EE, Emmons CK, Emmrich S, Erbay E, Erlacher-Reid C, Faulkes CG, Ferguson SH, Finno CJ, Flower JE, Gaillard JM, Garde E, Gerber L, Gladyshev VN, Gorbunova V, Goya RG, Grant MJ, Green CB, Hales EN, Hanson MB, Hart DW, Haulena M, Herrick K, Hogan AN, Hogg CJ, Hore TA, Huang T, Izpisua Belmonte JC, Jasinska AJ, Jones G, Jourdain E, Kashpur O, Katcher H, Katsumata E, Kaza V, Kiaris H, Kobor MS, Kordowitzki P, Koski WR, Krützen M, Kwon SB, Larison B, Lee SG, Lehmann M, Lemaitre JF, Levine AJ, Li C, Li X, Lim AR, Lin DTS, Lindemann DM, Little TJ, Macoretta N, Maddox D, Matkin CO, Mattison JA, McClure M, Mergl J, Meudt JJ, Montano GA, Mozhui K, Munshi-South J, Naderi A, Nagy M, Narayan P, Nathanielsz PW, Nguyen NB, Niehrs C, O'Brien JK, O'Tierney Ginn P, Odom DT, Ophir AG, Osborn S, Ostrander EA, Parsons KM, Paul KC, Pellegrini M, Peters KJ, Pedersen AB, Petersen JL, Pietersen DW, Pinho GM, Plassais J, Poganik JR, Prado NA, Reddy P, Rey B, Ritz BR, Robbins J, Rodriguez M, Russell J, Rydkina E, Sailer LL, Salmon AB, Sanghavi A, Schachtschneider KM, Schmitt D, Schmitt T, Schomacher L, Schook LB, Sears KE, Seifert AW, Seluanov A, Shafer ABA, Shanmuganayagam D, Shindyapina AV, Simmons M, Singh K, Sinha I, Slone J, Snell RG, Soltanmaohammadi E, Spangler ML, Spriggs MC, Staggs L, Stedman N, Steinman KJ, Stewart DT, Sugrue VJ, Szladovits B, Takahashi JS, Takasugi M, Teeling EC, Thompson MJ, Van Bonn B, Vernes SC, Villar D, Vinters HV, Wallingford MC, Wang N, Wayne RK, Wilkinson GS, Williams CK, Williams RW, Yang XW, Yao M, Young BG, Zhang B, Zhang Z, Zhao P, Zhao Y, Zhou W, Zimmermann J, Ernst J, Raj K, Horvath S. Universal DNA methylation age across mammalian tissues. Nat Aging 2023; 3:1144-1166. [PMID: 37563227 PMCID: PMC10501909 DOI: 10.1038/s43587-023-00462-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 06/21/2023] [Indexed: 08/12/2023]
Abstract
Aging, often considered a result of random cellular damage, can be accurately estimated using DNA methylation profiles, the foundation of pan-tissue epigenetic clocks. Here, we demonstrate the development of universal pan-mammalian clocks, using 11,754 methylation arrays from our Mammalian Methylation Consortium, which encompass 59 tissue types across 185 mammalian species. These predictive models estimate mammalian tissue age with high accuracy (r > 0.96). Age deviations correlate with human mortality risk, mouse somatotropic axis mutations and caloric restriction. We identified specific cytosines with methylation levels that change with age across numerous species. These sites, highly enriched in polycomb repressive complex 2-binding locations, are near genes implicated in mammalian development, cancer, obesity and longevity. Our findings offer new evidence suggesting that aging is evolutionarily conserved and intertwined with developmental processes across all mammals.
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Affiliation(s)
- A T Lu
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
| | - Z Fei
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Statistics, University of California, Riverside, Riverside, CA, USA
| | - A Haghani
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
| | - T R Robeck
- Zoological SeaWorld Parks and Entertainment, Orlando, FL, USA
| | - J A Zoller
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Z Li
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - R Lowe
- Altos Labs, Cambridge Institute of Science, Cambridge, UK
| | - Q Yan
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
| | - J Zhang
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - H Vu
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - J Ablaeva
- Department of Biology, University of Rochester, Rochester, NY, USA
| | - V A Acosta-Rodriguez
- Department of Neuroscience, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - D M Adams
- Department of Biology, University of Maryland, College Park, MD, USA
| | - J Almunia
- Loro Parque Fundacion, Puerto de la Cruz, Spain
| | - A Aloysius
- Department of Biology, University of Kentucky, Lexington, KY, USA
| | - R Ardehali
- Division of Cardiology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - A Arneson
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - C S Baker
- Marine Mammal Institute, Oregon State University, Newport, OR, USA
| | - G Banks
- School of Science and Technology, Clifton Campus, Nottingham Trent University, Nottingham, UK
| | - K Belov
- School of Life and Environmental Sciences, the University of Sydney, Sydney, New South Wales, Australia
| | - N C Bennett
- Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - P Black
- Busch Gardens Tampa, Tampa, FL, USA
| | - D T Blumstein
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA
- Rocky Mountain Biological Laboratory, Crested Butte, CO, USA
| | - E K Bors
- Marine Mammal Institute, Oregon State University, Newport, OR, USA
| | - C E Breeze
- Altius Institute for Biomedical Sciences, Seattle, WA, USA
| | - R T Brooke
- Epigenetic Clock Development Foundation, Los Angeles, CA, USA
| | - J L Brown
- Center for Species Survival, Smithsonian Conservation Biology Institute, Front Royal, VA, USA
| | - G G Carter
- Department of Evolution, Ecology and Organismal Biology, The Ohio State University, Columbus, OH, USA
| | - A Caulton
- AgResearch, Invermay Agricultural Centre, Mosgiel, New Zealand
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - J M Cavin
- Gulf World, Dolphin Company, Panama City Beach, FL, USA
| | - L Chakrabarti
- School of Veterinary Medicine and Science, University of Nottingham, Nottingham, UK
| | - I Chatzistamou
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, USA
| | - H Chen
- Department of Pharmacology, Addiction Science and Toxicology, the University of Tennessee Health Science Center, Memphis, TN, USA
| | - K Cheng
- Medical Informatics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - P Chiavellini
- Biochemistry Research Institute of La Plata, Histology and Pathology, School of Medicine, University of La Plata, La Plata, Argentina
| | - O W Choi
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - S M Clarke
- AgResearch, Invermay Agricultural Centre, Mosgiel, New Zealand
| | - L N Cooper
- Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, OH, USA
| | - M L Cossette
- Department of Environmental and Life Sciences, Trent University, Peterborough, Ontario, Canada
| | - J Day
- Taronga Institute of Science and Learning, Taronga Conservation Society Australia, Mosman, New South Wales, Australia
| | - J DeYoung
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - S DiRocco
- SeaWorld of Florida, Orlando, FL, USA
| | - C Dold
- Zoological Operations, SeaWorld Parks and Entertainment, Orlando, FL, USA
| | | | - C K Emmons
- Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, USA
| | - S Emmrich
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - E Erbay
- Altos Labs, San Francisco, CA, USA
| | - C Erlacher-Reid
- SeaWorld of Florida, Orlando, FL, USA
- SeaWorld Orlando, Orlando, FL, USA
| | - C G Faulkes
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, UK
| | - S H Ferguson
- Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, Manitoba, Canada
- Department of Biological Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - C J Finno
- Department of Population Health and Reproduction, University of California, Davis School of Veterinary Medicine, Davis, CA, USA
| | | | - J M Gaillard
- Universite de Lyon, Universite Lyon 1, CNRS, Laboratoire de Biometrie et Biologie Evolutive, Villeurbanne, France
| | - E Garde
- Greenland Institute of Natural Resources, Nuuk, Greenland
| | - L Gerber
- Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, UNSW Sydney, Sydney, New South Wales, Australia
| | - V N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - V Gorbunova
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - R G Goya
- Biochemistry Research Institute of La Plata, Histology and Pathology, School of Medicine, University of La Plata, La Plata, Argentina
| | - M J Grant
- Applied Translational Genetics Group, School of Biological Sciences, Centre for Brain Research, the University of Auckland, Auckland, New Zealand
| | - C B Green
- Department of Neuroscience, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - E N Hales
- Department of Population Health and Reproduction, University of California, Davis School of Veterinary Medicine, Davis, CA, USA
| | - M B Hanson
- Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, USA
| | - D W Hart
- Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - M Haulena
- Vancouver Aquarium, Vancouver, British Columbia, Canada
| | - K Herrick
- SeaWorld of California, San Diego, CA, USA
| | - A N Hogan
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - C J Hogg
- School of Life and Environmental Sciences, the University of Sydney, Sydney, New South Wales, Australia
| | - T A Hore
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - T Huang
- Division of Human Genetics, Department of Pediatrics, University at Buffalo, Buffalo, NY, USA
- Division of Genetics and Metabolism, Oishei Children's Hospital, Buffalo, NY, USA
| | | | - A J Jasinska
- Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - G Jones
- School of Biological Sciences, University of Bristol, Bristol, UK
| | | | - O Kashpur
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, USA
| | - H Katcher
- Yuvan Research, Mountain View, CA, USA
| | | | - V Kaza
- Peromyscus Genetic Stock Center, University of South Carolina, Columbia, SC, USA
| | - H Kiaris
- Peromyscus Genetic Stock Center, University of South Carolina, Columbia, SC, USA
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - M S Kobor
- Edwin S.H. Leong Healthy Aging Program, Centre for Molecular Medicine and Therapeutics, University of British Columbia, Vancouver, British Columbia, Canada
| | - P Kordowitzki
- Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences, Olsztyn, Poland
- Institute for Veterinary Medicine, Nicolaus Copernicus University, Torun, Poland
| | - W R Koski
- LGL Limited, King City, Ontario, Canada
| | - M Krützen
- Evolutionary Genetics Group, Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
| | - S B Kwon
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - B Larison
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
- Center for Tropical Research, Institute for the Environment and Sustainability, UCLA, Los Angeles, CA, USA
| | - S G Lee
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - M Lehmann
- Biochemistry Research Institute of La Plata, Histology and Pathology, School of Medicine, University of La Plata, La Plata, Argentina
| | - J F Lemaitre
- Universite de Lyon, Universite Lyon 1, CNRS, Laboratoire de Biometrie et Biologie Evolutive, Villeurbanne, France
| | - A J Levine
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Li
- Texas Pregnancy and Life-course Health Center, Southwest National Primate Research Center, San Antonio, TX, USA
- Department of Animal Science, College of Agriculture and Natural Resources, Laramie, WY, USA
| | - X Li
- Technology Center for Genomics and Bioinformatics, Department of Pathology and Laboratory Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - A R Lim
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - D T S Lin
- Centre for Molecular Medicine and Therapeutics, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - T J Little
- Institute of Ecology and Evolution, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - N Macoretta
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - D Maddox
- White Oak Conservation, Yulee, FL, USA
| | - C O Matkin
- North Gulf Oceanic Society, Homer, AK, USA
| | - J A Mattison
- Translational Gerontology Branch, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, USA
| | | | - J Mergl
- Marineland of Canada, Niagara Falls, Ontario, Canada
| | - J J Meudt
- Biomedical and Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - G A Montano
- Zoological Operations, SeaWorld Parks and Entertainment, Orlando, FL, USA
| | - K Mozhui
- Department of Preventive Medicine, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
| | - J Munshi-South
- Louis Calder Center-Biological Field Station, Department of Biological Sciences, Fordham University, Armonk, NY, USA
| | - A Naderi
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - M Nagy
- Museum fur Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Berlin, Germany
| | - P Narayan
- Applied Translational Genetics Group, School of Biological Sciences, Centre for Brain Research, the University of Auckland, Auckland, New Zealand
| | - P W Nathanielsz
- Texas Pregnancy and Life-course Health Center, Southwest National Primate Research Center, San Antonio, TX, USA
- Department of Animal Science, College of Agriculture and Natural Resources, Laramie, WY, USA
| | - N B Nguyen
- Division of Cardiology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - C Niehrs
- Institute of Molecular Biology, Mainz, Germany
- Division of Molecular Embryology, DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - J K O'Brien
- Taronga Institute of Science and Learning, Taronga Conservation Society Australia, Mosman, New South Wales, Australia
| | - P O'Tierney Ginn
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, USA
- Department of Obstetrics and Gynecology, Tufts University School of Medicine, Boston, MA, USA
| | - D T Odom
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
- Division of Regulatory Genomics and Cancer Evolution, Deutsches Krebsforschungszentrum, Heidelberg, Germany
| | - A G Ophir
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - S Osborn
- SeaWorld of Texas, San Antonio, TX, USA
| | - E A Ostrander
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - K M Parsons
- Conservation Biology Division, Northwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Seattle, WA, USA
| | - K C Paul
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - M Pellegrini
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - K J Peters
- Evolutionary Genetics Group, Department of Evolutionary Anthropology, University of Zurich, Zurich, Switzerland
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
| | - A B Pedersen
- Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, UK
| | - J L Petersen
- Department of Animal Science, University of Nebraska, Lincoln, NE, USA
| | - D W Pietersen
- Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Hatfield, South Africa
| | - G M Pinho
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
| | - J Plassais
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - J R Poganik
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - N A Prado
- Department of Biology, College of Arts and Science, Adelphi University, Garden City, NY, USA
| | - P Reddy
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA
- Salk Institute for Biological Studies, La Jolla, CA, USA
| | - B Rey
- Universite de Lyon, Universite Lyon 1, CNRS, Laboratoire de Biometrie et Biologie Evolutive, Villeurbanne, France
| | - B R Ritz
- Department of Epidemiology, UCLA Fielding School of Public Health, Los Angeles, CA, USA
- Department of Environmental Health Sciences, UCLA Fielding School of Public Health, Los Angeles, CA, USA
- Department of Neurology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - J Robbins
- Center for Coastal Studies, Provincetown, MA, USA
| | | | - J Russell
- SeaWorld of California, San Diego, CA, USA
| | - E Rydkina
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - L L Sailer
- Department of Psychology, Cornell University, Ithaca, NY, USA
| | - A B Salmon
- The Sam and Ann Barshop Institute for Longevity and Aging Studies and Department of Molecular Medicine, UT Health San Antonio and the Geriatric Research Education and Clinical Center, South Texas Veterans Healthcare System, San Antonio, TX, USA
| | | | - K M Schachtschneider
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, University of Illinois at Chicago, Chicago, IL, USA
- National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - D Schmitt
- College of Agriculture, Missouri State University, Springfield, MO, USA
| | - T Schmitt
- SeaWorld of California, San Diego, CA, USA
| | | | - L B Schook
- Department of Radiology, University of Illinois at Chicago, Chicago, IL, USA
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - K E Sears
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - A W Seifert
- Department of Biology, University of Kentucky, Lexington, KY, USA
| | - A Seluanov
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - A B A Shafer
- Department of Forensic Science, Environmental and Life Sciences, Trent University, Peterborough, Ontario, Canada
| | - D Shanmuganayagam
- Biomedical and Genomic Research Group, Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, USA
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - A V Shindyapina
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | | | - K Singh
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS University, Mumbai, India
| | - I Sinha
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
| | - J Slone
- Division of Human Genetics, Department of Pediatrics, University at Buffalo, Buffalo, NY, USA
| | - R G Snell
- Applied Translational Genetics Group, School of Biological Sciences, Centre for Brain Research, the University of Auckland, Auckland, New Zealand
| | - E Soltanmaohammadi
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, USA
| | - M L Spangler
- Department of Animal Science, University of Nebraska, Lincoln, NE, USA
| | | | - L Staggs
- SeaWorld of Florida, Orlando, FL, USA
| | | | - K J Steinman
- Species Preservation Laboratory, SeaWorld San Diego, San Diego, CA, USA
| | - D T Stewart
- Biology Department, Acadia University, Wolfville, Nova Scotia, Canada
| | - V J Sugrue
- Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - B Szladovits
- Department of Pathobiology and Population Sciences, Royal Veterinary College, Hatfield, UK
| | - J S Takahashi
- Department of Neuroscience, Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Howard Hughes Medical Institute, Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - M Takasugi
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - E C Teeling
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - M J Thompson
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA, USA
| | - B Van Bonn
- John G. Shedd Aquarium, Chicago, IL, USA
| | - S C Vernes
- School of Biology, the University of St Andrews, Fife, UK
- Neurogenetics of Vocal Communication Group, Max Planck Institute for Psycholinguistics, Nijmegen, the Netherlands
| | - D Villar
- Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - H V Vinters
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - M C Wallingford
- Mother Infant Research Institute, Tufts Medical Center, Boston, MA, USA
- Division of Obstetrics and Gynecology, Tufts University School of Medicine, Boston, MA, USA
| | - N Wang
- Center for Neurobehavioral Genetics, Jane and Terry Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - R K Wayne
- Department of Ecology and Evolutionary Biology, UCLA, Los Angeles, CA, USA
| | - G S Wilkinson
- Department of Biology, University of Maryland, College Park, MD, USA
| | - C K Williams
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - R W Williams
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, College of Medicine, Memphis, TN, USA
| | - X W Yang
- Center for Neurobehavioral Genetics, Jane and Terry Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - M Yao
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - B G Young
- Fisheries and Oceans Canada, Winnipeg, Manitoba, Canada
| | - B Zhang
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Z Zhang
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - P Zhao
- Division of Cardiology, Department of Internal Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, CA, USA
| | - Y Zhao
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - W Zhou
- Center for Computational and Genomic Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - J Zimmermann
- Department of Mathematics and Technology, University of Applied Sciences Koblenz, Koblenz, Germany
| | - J Ernst
- Bioinformatics Interdepartmental Program, University of California, Los Angeles, CA, USA
- Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA, USA
| | - K Raj
- Altos Labs, Cambridge Institute of Science, Cambridge, UK
| | - S Horvath
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
- Altos Labs, San Diego Institute of Science, San Diego, CA, USA.
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA.
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Chen F, Di W, Hu YJ, Li CZ, Wang F, Duan H, Liu J, Yao SZ, Zhang YZ, Guo RX, Wang JD, Wang JL, Zhang YQ, Wang M, Lin ZQ, Lang JH. [Evaluation of the efficacy and safety of Nocardia rubra cell wall skeleton immunotherapy for cervical high-risk HPV persistent infection]. Zhonghua Fu Chan Ke Za Zhi 2023; 58:536-545. [PMID: 37474327 DOI: 10.3760/cma.j.cn112141-20230331-00154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Objective: To evaluate the efficacy and safety of Nocardia rubra cell wall skeleton (Nr-CWS) in the treatment of persistent cervical high-risk human papillomavirus (HR-HPV) infection. Methods: A randomized, double blind, multi-center trial was conducted. A total of 688 patients with clinically and pathologically confirmed HR-HPV infection of the cervix diagnosed in 13 hispital nationwide were recruited and divided into: (1) patients with simple HR-HPV infection lasting for 12 months or more; (2) patients with cervical intraepithelial neoplasia (CIN) Ⅰ and HR-HPV infection lasting for 12 months or more; (3) patients with the same HR-HPV subtype with no CINⅡ and more lesions after treatment with CINⅡ or CIN Ⅲ (CINⅡ/CIN Ⅲ). All participants were randomly divided into the test group and the control group at a ratio of 2∶1. The test group was locally treated with Nr-CWS freeze-dried powder and the control group was treated with freeze-dried powder without Nr-CWS. The efficacy and negative conversion rate of various subtypes of HR-HPV were evaluated at 1, 4, 8, and 12 months after treatment. The safety indicators of initial diagnosis and treatment were observed. Results: (1) This study included 555 patients with HR-HPV infection in the cervix (included 368 in the test group and 187 in the control group), with an age of (44.1±10.0) years. The baseline characteristics of the two groups of subjects, including age, proportion of Han people, weight, composition of HR-HPV subtypes, and proportion of each subgroup, were compared with no statistically significant differences (all P>0.05). (2) After 12 months of treatment, the effective rates of the test group and the control group were 91.0% (335/368) and 44.9% (84/187), respectively. The difference between the two groups was statistically significant (χ2=142.520, P<0.001). After 12 months of treatment, the negative conversion rates of HPV 16, 18, 52, and 58 infection in the test group were 79.2% (84/106), 73.3% (22/30), 83.1% (54/65), and 77.4% (48/62), respectively. The control group were 21.6% (11/51), 1/9, 35.1% (13/37), and 20.0% (8/40), respectively. The differences between the two groups were statistically significant (all P<0.001). (3) There were no statistically significant differences in vital signs (body weight, body temperature, respiration, pulse rate, systolic blood pressure, diastolic blood pressure, etc.) and laboratory routine indicators (blood cell analysis, urine routine examination) between the test group and the control group before treatment and at 1, 4, 8, and 12 months after treatment (all P>0.05); there was no statistically significant difference in the incidence of adverse reactions related to the investigational drug between the two groups of subjects [8.7% (32/368) vs 8.0% (15/187), respectively; χ2=0.073, P=0.787]. Conclusion: External use of Nr-CWS has good efficacy and safety in the treatment of high-risk HPV persistent infection in the cervix.
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Affiliation(s)
- F Chen
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Medical Research Center for Obstetrics and Gynecology, Beijing 100730, China
| | - W Di
- Department of Obstetrics and Gynecology, Renji Hospital, Shanghai Jiao Tong University, Shanghai 200001, China
| | - Y J Hu
- Department of Gynecological Oncology, Tianjin Central Hospital of Gynecology Obstetrics, Tianjin 300199, China
| | - C Z Li
- Department of Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University (Shandong Provincial Hospital), Jinan 250021, China
| | - F Wang
- Department of Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University (Shandong Provincial Hospital), Jinan 250021, China
| | - H Duan
- Gynecological Minimally Invasive Surgery Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100006, China
| | - J Liu
- Department of Obstetrics and Gynecology, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100043, China
| | - S Z Yao
- Department of Gynecology, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Y Z Zhang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan 250012, China
| | - R X Guo
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - J D Wang
- Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100006, China
| | - J L Wang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, China
| | - Y Q Zhang
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - M Wang
- Department of Gynecology, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Z Q Lin
- Department of Obstetrics and Gynecology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510289, China
| | - J H Lang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, National Clinical Medical Research Center for Obstetrics and Gynecology, Beijing 100730, China
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Li ZY, Zhang XJ, Li CZ, Liu CY, Zhao YZ. Application of the two-partition method in laparoscopic radical left hemicolectomy - A video vignette. Colorectal Dis 2022; 24:881-882. [PMID: 35220666 DOI: 10.1111/codi.16104] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 01/16/2022] [Accepted: 02/18/2022] [Indexed: 12/13/2022]
Affiliation(s)
- Z Y Li
- Department of General Surgery, Affiliated Cancer Hospital of ZhengZhou University, Zhengzhou, China
| | - X J Zhang
- Department of General Surgery, Affiliated Cancer Hospital of ZhengZhou University, Zhengzhou, China
| | - C Z Li
- Department of General Surgery, Affiliated Cancer Hospital of ZhengZhou University, Zhengzhou, China
| | - C Y Liu
- Department of General Surgery, Affiliated Cancer Hospital of ZhengZhou University, Zhengzhou, China
| | - Y Z Zhao
- Department of General Surgery, Affiliated Cancer Hospital of ZhengZhou University, Zhengzhou, China
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Tang SF, Yang Y, Liu Y, Ming Q, Li CZ, Li J. [Effects of curcumin on neurobehavior and oxidative stress in hippocampus of rats exposed to manganese]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2021; 39:801-807. [PMID: 34886637 DOI: 10.3760/cma.j.cn121094-20201126-00651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To establish the animal model of subchronic manganism, and to explore the effect of manganese on neurofunction of rats and the protective effect of curcumin on neurotoxicity of manganism rats. Methods: From July to December 2019, 80 SPF male SD rats were divided into 8 groups according to body weight by random number table method, which were blank control group, low, middle and high dose manganese exposure group, low, middle and high dose curcumin antagonistic group and curcumin group, with 10 rats in each group. The low, middle and high dose manganese groups were given intraperitoneal injection of 5 mg/kg, 10 mg/kg and 15 mg/kg MnCl(2)·4H(2)O respectively. The low, middle and high dose curcumin antagonistic groups were given 100 mg/kg, 200 mg/kg and 400 mg/kg curcumin orally along with 15 mg/kg MnCl(2)·4H(2)O intraperitoneal injection. Curcumin group was given 400 mg/kg curcumin orally. The rats were exposed to 5 days a week, once a day for 16 weeks. After exposure, neurobehavioral tests (balance beam test, Morris water maze, passive avoidance test) were carried out in each group. Hippocampus tissues were taken for pathological examination and oxidative stress indexes were detected. Results: The balance beam test results showed that, compared with the blank control group, the scores of balance beam of the rats in the middle and high dose manganese exposure groups increased (P<0.05) . Compared with the high dose manganese exposure group, the balance beam scores of the low, middle and high dose curcumin antagonistic groups were decreased (P<0.05) .The results of Morris water maze showed that, compared with the blank control group, the escape latency of middle and high dose manganese exposure groups was prolonged from the third day (P<0.05) , and the average number of crossing the platform area of each manganese exposure group was decreased (P<0.05) .Compared with the high dose manganese exposure group, the escape latency of the middle and high dose curcumin antagonistic groups was shortened (P<0.05) , and the average number of crossing the original platform was increased (P<0.05) . The results of passive avoidance test show that, compared with the blank control group, the number of errors were increased in middle and high dose manganese exposure groups (P<0.05) . Compared with the high dose manganese exposure group, the number of errors in the passive avoidance test in the middle and high dose curcumin antagonistic groups were decreased (P<0.05) . Pathological examination showed that the rats treated with manganses had different degrees of degeneration and necrosis of nerve cells, and the structure of nerve cells was blurred and the number of nerve cells decreased. The above phenomena were improved after curcumin antagonism. The results of oxidative stress index showed that, compared with blank control group, the activity of superoxide dismutase (SOD) decreased and the content of malondialdehyde (MDA) increased in the hippocampus of rats exposed to middle and high dose of manganese (P<0.05) . Compared with the high dose manganese exposure group, the SOD activity increased and the MDA content decreased in the middle and high dose antagonist group (P<0.05) . Conclusion: Subchronic manganese exposure can reduce the balance function, learning and memory ability of rats, and damage the hippocampal nerve cells in oxidative stress state. Curcumin can improve the balance function and learning and memory ability of rats with manganese poisoning, improve the hippocampal nerve damage caused by manganese exposure, and has a certain protective effect on manganese induced neurotoxicity.
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Affiliation(s)
- S F Tang
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - Y Yang
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - Y Liu
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - Q Ming
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - C Z Li
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
| | - J Li
- School of Public Health, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China
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Yu M, Xiang Y, Ma XX, Xue FX, Feng LM, Wang DB, Huang XH, Zhang Y, Zhang GN, Cao DY, Chen CL, Chen J, Cheng WW, Cui ZM, Di W, Guo HY, Hu LN, Li CZ, Li XM, Liang ZQ, Liu AJ, Liu CD, Meng YG, Shen DH, Wan XP, Wang ZH, Xu L, Yang XS, Zhu GH, Lang JH. [Advices on standards of endometrial cancer screening]. Zhonghua Fu Chan Ke Za Zhi 2020; 55:307-311. [PMID: 32464717 DOI: 10.3760/cma.j.cn112141-20200201-00070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
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Li FF, Sha D, Qin XY, Li CZ, Lin B. Alpha1,2-fucosyl transferase gene, the key enzyme of Lewis y synthesis, promotes Taxol resistance of ovarian carcinoma through apoptosis-related proteins. Neoplasma 2019; 65:515-522. [PMID: 29940750 DOI: 10.4149/neo_2018_170823n552] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We aimed to investigate the role of FUT1 gene in Taxol resistance and to explore its mechanism in epithelial ovarian cancer. Three ovarian cancer cell lines, ES-2, SK-OV-3 and OVCAR-3 were selected from epithelial ovarian cancer in this experiment. Western blot was used to validate the protein expression level of FUT1 and the apoptosis proteins. The expression level of the corresponding carrier was validated by RT-PCR. Transfection and isolation of stable transfectants were carried out to establish the cell line models. The different concentrations of Taxol on the inhibition of cell growth rate was measured by MTT, in which Taxol resistance profiling in ovarian cancer cells was determined by IC50 data. Flow cytometry was conducted to compare cell apoptosis ability. Caspase-3 activity and the apoptosis proteins were measured by colorimetry and western blot, respectively, to further compare the cell apoptosis ability in different groups. To demonstrate the inhibition of miR-FUT1 combined with Taxol therapy against ovarian cancer, xenograft assay was carried out for the in vivo effect. The western blot results indicate that FUT1 is expressed in all of the ovarian cancer cells with different expression level: ES-2 > SK-OV-3 > OVCAR-3. Besides, FUT1 siRNA was used in the maximum expression of FUT1 cell line ES-2, or over-expression plasmid was used in the minimum expression of FUT1 cell line OVCAR-3, to establish stable expression cell lines. After the treatment with Taxol, the inhibition rate of Taxol was obviously decreased with the established cell model above, and the IC50 level was significantly increased in the FUT1 over-expression + Taxol group (p Keywords: FUT1, Lewis y, Taxol resistance, ovarian cancer, apoptosis.
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Affiliation(s)
- F F Li
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - D Sha
- Department of Medical Oncology, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - X Y Qin
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - C Z Li
- Department of Obstetrics and Gynecology, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - B Lin
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
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Zhang P, Du HB, Tong GD, Li XK, Sun XH, Chi XL, Xing YF, Zhou ZH, Li Q, Chen B, Wang H, Wang L, Jin H, Mao DW, Wang XB, Wu QK, Li FP, Hu XY, Lu BJ, Yang ZY, Zhang MX, Shi WB, He Q, Li Y, Jiang KP, Xue JD, Li XD, Jiang JM, Lu W, Tian GJ, Hu ZB, Guo JC, Li CZ, Deng X, Luo XL, Li FY, Zhang XW, Zheng YJ, Zhao G, Wang LC, Wu JH, Guo H, Mi YQ, Gong ZJ, Wang CB, Jiang F, Guo P, Yang XZ, Shi WQ, Yang HZ, Zhou Y, Sun NN, Jiao YT, Gao YQ, Zhou DQ, Ye YA. Serum hepatitis B surface antigen correlates with fibrosis and necroinflammation: A multicentre perspective in China. J Viral Hepat 2018; 25:1017-1025. [PMID: 29624802 DOI: 10.1111/jvh.12903] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 02/22/2018] [Indexed: 12/20/2022]
Abstract
The kinetics of serum hepatitis B surface antigen (HBsAg) during the natural history of hepatitis B virus (HBV) infection has been studied, but the factors affecting them remain unclear. We aimed to investigate the factors affecting HBsAg titres, using data from multicentre, large-sized clinical trials in China. The baseline data of 1795 patients in 3 multicentre trials were studied, and the patients were classified into 3 groups: hepatitis B early antigen (HBeAg)-positive chronic HBV infection (n = 588), HBeAg-positive chronic hepatitis B (n = 596), and HBeAg-negative chronic hepatitis B (n = 611). HBsAg titres in the different phases were compared, and multiple linear progression analyses were performed to investigate the implicated factors. HBsAg titres varied significantly in different phases (P = .000), with the highest (4.60 log10 IU/mL [10%-90% confidence interval: 3.52 log10 IU/mL-4.99 log10 IU/mL]) in patients with HBeAg-positive chronic HBV infection. In all phases, age and HBV DNA were correlated with serum HBsAg level. In HBeAg-positive chronic hepatitis B patients, a negative correlation between HBsAg titres and fibrosis stage was observed. Alanine amonitransferase or necroinflammatory activity was also correlated with HBsAg titres in HBeAg-negative chronic hepatitis B patients. In conclusion, decreased HBsAg titres may be associated with advancing fibrosis in HBeAg-positive chronic hepatitis B patients or increased necroinflammation in those with HBeAg-negative chronic hepatitis B. Our findings may help clinicians better understand the kinetics of HBsAg and provide useful insights into the management of this disease.
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Affiliation(s)
- P Zhang
- Department of Gastroenterology and Hepatology, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.,Institute of liver disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China
| | - H B Du
- Department of Gastroenterology and Hepatology, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.,Institute of liver disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China
| | - G D Tong
- Department of Hepatology, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, Guangdong Province, China
| | - X K Li
- Department of Gastroenterology and Hepatology, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.,Institute of liver disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China
| | - X H Sun
- Department of Hepatology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - X L Chi
- Department of Hepatology, Guangdong Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong Province, China
| | - Y F Xing
- Department of Hepatology, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, Guangdong Province, China
| | - Z H Zhou
- Department of Hepatology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Q Li
- The Fourth Ward, Fuzhou Infectious Disease Hospital, Fuzhou, Fujian Province, China
| | - B Chen
- Department of Hepatology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - H Wang
- Department of Infectious Disease, Ruijin Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - L Wang
- Department of Hepatology, Chengdu Infectious Disease Hospital, Chengdu, Sichuan Province, China
| | - H Jin
- Department of Integrated Traditional and Western Medicine on Liver Diseases, Beijing Youan Hospital, Capital Medical University, Beijing, China
| | - D W Mao
- Department of Hepatology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, Guangxi Province, China
| | - X B Wang
- Department of Integrated Traditional and Western Medicine on Liver Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Q K Wu
- The First Department of Hepatology, Shenzhen No. 3 People's Hospital, Shenzhen, Guangdong Province, China
| | - F P Li
- Department of Hepatology, Shanxi Hospital of Traditional Chinese Medicine, Xi'an, Shanxi Province, China
| | - X Y Hu
- Department of Infectious Disease, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Province, China
| | - B J Lu
- Department of Hepatology, The Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning Province, China
| | - Z Y Yang
- Department of Integrated Traditional and Western Medicine on Liver Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - M X Zhang
- Department of Integrated Traditional and Western Medicine on Liver Diseases, Shenyang Infectious Disease Hospital, Shenyang, Liaoning Province, China
| | - W B Shi
- Department of Infectious Disease, The First Affiliated Hospital of Anhui Academy of Chinese Medicine, Hefei, Anhui Province, China
| | - Q He
- The First Department of Hepatology, Shenzhen No. 3 People's Hospital, Shenzhen, Guangdong Province, China
| | - Y Li
- Department of Hepatology, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong Province, China
| | - K P Jiang
- Department of Hepatology, Foshan Hospital of Traditional Chinese Medicine, Foshan, Guangdong Province, China
| | - J D Xue
- Department of Hepatology, Shanxi Hospital of Traditional Chinese Medicine, Xi'an, Shanxi Province, China
| | - X D Li
- Department of Hepatology, Hubei Province Hospital of Traditional Chinese Medicine, Wuhan, Hubei Province, China
| | - J M Jiang
- Department of Hepatology, Guangdong Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong Province, China
| | - W Lu
- Department of Infectious Disease, Tianjin Infectious Disease Hospital, Tianjin, China
| | - G J Tian
- Department of Hepatology, Guangdong Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong Province, China
| | - Z B Hu
- Department of Hepatology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, Guangxi Province, China
| | - J C Guo
- Department of Hepatology, Hangzhou No. 6 People's Hospital, Hangzhou, Zhejiang Province, China
| | - C Z Li
- Department of Infectious Disease, Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - X Deng
- Department of Hepatology, Ruikang Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi Province, China
| | - X L Luo
- Department of Hepatology, Hubei Province Hospital of Traditional Chinese Medicine, Wuhan, Hubei Province, China
| | - F Y Li
- Treatment and Research Center of Infectious Disease, 302 Military Hospital of China, Beijing, China
| | - X W Zhang
- Treatment and Research Center of Infectious Disease, 302 Military Hospital of China, Beijing, China
| | - Y J Zheng
- Department of Hepatology, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, Guangdong Province, China
| | - G Zhao
- Department of Hepatology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - L C Wang
- Center of Infectious Disease, Huaxi Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - J H Wu
- Center of Hepatology, Xiamen Hospital of Traditional Chinese Medicine, Xiamen, Fujian Province, China
| | - H Guo
- Department of Hepatology, The First Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Y Q Mi
- Department of Infectious Disease, Tianjin Infectious Disease Hospital, Tianjin, China
| | - Z J Gong
- Department of Infectious Disease, Hubei People's Hospital, Wuhan, Hubei Province, China
| | - C B Wang
- The Fourth Department of Infectious Disease, Linyi People's Hospital, Linyi, Shandong Province, China
| | - F Jiang
- Department of Gastroenterology and Hepatology, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.,Institute of liver disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China
| | - P Guo
- Department of Hepatology, Xiyuan Hospital, China Academy of Chinese medical Science, Beijing, China
| | - X Z Yang
- Institute of liver disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.,Department of Infectious Disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China
| | - W Q Shi
- Department of Hepatology, Xinhua Hospital, Zhejiang University of Traditional Chinese medicine, Hangzhou, Zhejiang Province, China
| | - H Z Yang
- Department of Traditional Chinese medicine, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Y Zhou
- Department of Hepatology, Qingdao No. 6 People's Hospital, Qingdao, Shandong Province, China
| | - N N Sun
- Department of Hepatology, Beijing Hospital of Traditional Chinese Medicine, Beijing, China
| | - Y T Jiao
- Shunyi Hospital of Traditional Chinese Medicine, Beijing, China
| | - Y Q Gao
- Department of Hepatology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - D Q Zhou
- Department of Hepatology, Shenzhen Hospital of Traditional Chinese Medicine, Shenzhen, Guangdong Province, China
| | - Y A Ye
- Department of Gastroenterology and Hepatology, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China.,Institute of liver disease, Beijing University of Chinese Medicine Affiliated Dongzhimen Hospital, Beijing, China
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11
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Xin DS, Zhou L, Li CZ, Zhang SQ, Huang HQ, Qiu GD, Lin LF, She YQ, Zheng JT, Chen C, Fang L, Chen ZS, Zhang SY. TC > 0.05 as a Pharmacokinetic Parameter of Paclitaxel for Therapeutic Efficacy and Toxicity in Cancer Patients. Recent Pat Anticancer Drug Discov 2018; 13:341-347. [PMID: 29512471 DOI: 10.2174/1574892813666180305170439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [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: 12/01/2017] [Revised: 02/28/2018] [Accepted: 02/28/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Paclitaxel (PTX) has remarkable anti-tumor activity, but it causes severe toxicities. There is an urgent need to seek an appropriate pharmacokinetic parameter of PTX to improve treatment efficacy and reduce adverse effects. OBJECTIVE To evaluate the association of pharmacokinetic parameter TC > 0.05 of paclitaxel (PTX) and its therapeutic efficacy and toxicity in patients with solid tumors. METHODS A total of 295 patients with ovarian cancer, esophageal cancer, breast cancer, and non-small cell lung cancer (NSCLC), who were admitted to the Tumor Hospital of Shantou University Medical College, China, were recruited for this study. Patients received 3 weeks of PTX chemotherapy. The plasma concentrations of PTX were examined using the MyPaclitaxel™ kit. The patients' PTX TC > 0.05 (the time during which PTX plasma concentration exceed 0.05µmol/L) were calculated based on pharmacokinetic analysis. RESULTS The results showed that: (1) the concentrations of PTX in these 295 patients ranged from 0.0358-0.127 µmol/L; (2) the PTX TC > 0.05 ranged from 14 to 38h with a median time of 27h; (3) among all treatment cycles, there was a statistically significant difference in the PTX TC > 0.05 between CR+PR and SD+PD; (4) with the increasing value of TC > 0.05, level of leukopenia and leukopenic fever increased; (5) high PTX TC > 0.05 led to the occurrence of neutropenia, neutropenic fever, severe anemia, and severe peripheral neurotoxicity. Taken together, our results indicated that the pharmacokinetic parameter PTX TC > 0.05 was an effective measure of treatment efficacy and toxicity in patients with solid tumors. Maintaining PTX TC > 0.05 at 26 to 30h could improve its efficacy and reduce the incidence of leukopenia, neutropenia, anemia, and peripheral neurotoxicity in these patients. CONCLUSION PTX TC > 0.05 is a key pharmacokinetic parameter of PTX which should be monitored to optimize individual treatment in patients with solid tumors.
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Affiliation(s)
- D S Xin
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - L Zhou
- Department of Gynecologic Oncology, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - C Z Li
- Department of Gynecologic Oncology, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - S Q Zhang
- Medical Oncology, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou, Guangdong, 515041, China
| | - H Q Huang
- Department of Ultrasound, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - G D Qiu
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
- Clinical Pharmacy Research Center, Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - L F Lin
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - Y Q She
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
- Clinical Pharmacy Research Center, Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - J T Zheng
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - C Chen
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - L Fang
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
| | - Z S Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John`s University, 8000 Utopia Parkway, Queens, NY 11439, United States
| | - S Y Zhang
- Department of Pharmacy, Cancer Hospital of Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
- Clinical Pharmacy Research Center, Shantou University Medical College, Raoping Rd, Shantou 515041, Guangdong, China
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12
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Abstract
The purpose of this study was to evaluate the clinical efficacy of initial periodontal therapy in gingival pregnancy tumors. Thirty-nine patients diagnosed with gingival tumors of pregnancy between 2007 and 2015 were enrolled in this study. The patients received initial periodontal therapy, then supportive periodontal therapies at 3- to 6-month intervals. The patients underwent follow up for 6 months to 8 years after treatment. After plaque control, supragingival scaling, and root planning, the tumors in 25 patients were gradually eliminated without the necessity of surgery. In 3 patients, tumors <5 mm in size disappeared in a mean time of 3.6 months, 4 patients with tumors 5-10 mm disappeared in a time of 7.5 months, 11 patients with tumors 10-15 mm disappeared in 10.2 months, 6 patients with tumors 15-20 mm disappeared in 15 months, and one patient with a tumor >20 mm disappeared in 20 months. No recurrence of gingival pregnancy tumors was noted during subsequent follow-up. Initial periodontal therapy combined with oral hygiene maintenance is efficacious in treating gingival pregnancy tumors of patients with normal hormone levels, which can potentially serve as an option to avoid surgery.
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Affiliation(s)
- Y Q Zhu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei Province, China.,Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei Province, China.,The Affiliated Huizhou Stomatologic Hospital of Jinan University & Huizhou Stomatologic Hospital, Huizhou, Guangdong Province, China
| | - Y Q Wang
- The Affiliated Huizhou Stomatologic Hospital of Jinan University & Huizhou Stomatologic Hospital, Huizhou, Guangdong Province, China
| | - Y C Tang
- The Affiliated Huizhou Stomatologic Hospital of Jinan University & Huizhou Stomatologic Hospital, Huizhou, Guangdong Province, China
| | - C Z Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei Province, China.,Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan, Hubei Province, China
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13
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Li CZ, Zhang P, Li RW, Wu CT, Zhang XP, Zhu HC. Axillary lymph node dissection versus sentinel lymph node biopsy alone for early breast cancer with sentinel node metastasis: A meta-analysis. Eur J Surg Oncol 2015; 41:958-66. [PMID: 26054706 DOI: 10.1016/j.ejso.2015.05.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [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: 03/13/2015] [Revised: 04/21/2015] [Accepted: 05/06/2015] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND In early breast cancer patients with sentinel node metastasis, the effect of axillary lymph node dissection (ALND) is controversial. The purpose of this study is to compare the safety and efficacy of sentinel lymph node biopsy (SLNB) alone versus ALND in patients with early breast cancer and sentinel node metastasis. METHODS We searched PubMed, Embase, Web of Science, and Cochrane Library databases from 1965 to February 2014. All data were analyzed using Review Manager Software 5.2. RESULTS 12 studies, which included 130,575 patients from five randomized controlled trials and seven observational studies, met our inclusion criteria. 26,870 early breast cancer patients underwent SLNB alone and 103,705 underwent ALND. Patients underwent ALND had more paresthesia (risk ratio [RR] 0.26, 95% confidence interval [CI] 0.20-0.33; p < 0.01) and lymphedema (RR 0.28, 95% CI 0.20-0.41; p < 0.01) than those had SLNB alone. There were no significant differences in overall survival (hazard ratio [HR] 0.95, 95% CI 0.85-1.06; p = 0.35), disease-free survival (HR 1.00, 95% CI 0.98-1.02, p = 0.96), and locoregional recurrence (RR 0.92, 95% CI 0.59-1.44; p = 0.73). CONCLUSION Current evidence indicates that axillary dissection may be omitted in early breast cancer patients with sentinel lymph metastasis.
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Affiliation(s)
- C Z Li
- Oncological Surgery, Affiliate Hospital of Hebei United University, Tangshan 063000, Hebei, China
| | - P Zhang
- Nursing and Rehabilitation College, Hebei United University, Tangshan 063000, Hebei, China
| | - R W Li
- Oncological Surgery, Affiliate Hospital of Hebei United University, Tangshan 063000, Hebei, China
| | - C T Wu
- Oncological Surgery, Affiliate Hospital of Hebei United University, Tangshan 063000, Hebei, China
| | - X P Zhang
- Oncological Surgery, Affiliate Hospital of Hebei United University, Tangshan 063000, Hebei, China
| | - H C Zhu
- Oncological Surgery, Affiliate Hospital of Hebei United University, Tangshan 063000, Hebei, China.
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14
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Jeng CC, Wu CH, Li CZ, Chen JH. Monitoring and dynamic control of distance and tilt angle measurements in micro-alignment instrument using an imaging approach. Opt Express 2009; 17:14722-14728. [PMID: 19687950 DOI: 10.1364/oe.17.014722] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
An accurate and simple optical triangulation method is proposed for determining the distance and the tilt angle between the window and the SQUID sensor in a scanning SQUID microscope (SSM) system. The surface of window near the sensor plane is roughened with Alumina powder so that the incident and reflected traces of the laser beam passing the window surface become visible and can be measured precisely with a normal optical microscope. Using the proposed approach, the distance between the sensor and the sample can be reproducibly adjusted to 30 microm or less. This method can also be applied to photolithography apparatus to detect the relative positions of the mask and the wafer.
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Affiliation(s)
- C C Jeng
- Institute of nanoscience, National Chung Hsing University, 407 Taichung, Taiwan.
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15
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Abstract
A permanent increase in acute-phase serum amyloid A (A-SAA) level is observed in obesity and insulin resistance. Recently, A-SAA has been shown to correlate with obesity and insulin resistance in human. However, what triggers A-SAA up-regulation is poorly understood, and the mechanism of elevated A-SAA to insulin resistance has not been elucidated. In this study, we used two cellular models of insulin resistance, one induced by treatment with tumor necrosis factor-alpha (TNF-alpha) and the other with the glucocorticoid dexamethasone. Gene expression analysis showed that SAA3 mRNA levels were increased in both models of insulin resistance, and ELISA showed that A-SAA levels were increased in both models too. To assess the potential impact of A-SAA on insulin resistance, we treated 3T3-L1 adipocytes with recombinant human SAA (Rh-SAA) and found that Rh-SAA attenuated cellular insulin sensitivity, up-regulated the level of phosphor-JNK, and down-regulated the level of phosphotyrosine-IRS-1 and the expression of glucose transporter 4 (GLUT4) in 3T3-L1 adipocytes. Pre-treatment of cells with C-Jun amino-terminal kinases (JNK) inhibitor brought about partial restoration of Rh-SAA-induced insulin resistance. In sum, our findings suggest that serum amyloid A might be a marker of insulin resistance, and it might play a major role in the development of obesity-related insulin resistance. Moreover, in our study it has been proved that JNK is indeed a crucial component of the pathway responsible for SAA-induced insulin resistance in 3T3-L1 adipocytes, which suggests that a selective interference with JNK activity might be a useful strategy in the treatment of Type 2 diabetes and other insulin-resistant states.
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Affiliation(s)
- X Y Ye
- Department of Endocrinology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
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16
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Zhang HW, Yin JH, Li YT, Li CZ, Ren H, Gu CY, Wu HY, Liang XS, Zhang P, Zhao JF, Tan XJ, Lu W, Schaefer S, Cao GW. Risk factors for acute hepatitis B and its progression to chronic hepatitis in Shanghai, China. Gut 2008; 57:1713-20. [PMID: 18755887 PMCID: PMC2582333 DOI: 10.1136/gut.2008.157149] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS The major risk factors for acute hepatitis B (AHB) in China and the viral factors determining the progression from acute to chronic hepatitis B remain largely unknown. METHODS Epidemiological studies within a population-based surveillance for AHB in adults were performed in Shanghai, China, including 294 patients, 588 matched controls and 572 family members of the patients. RESULTS Invasive medical procedures, household contact with hepatitis B virus (HBV) carriers, body care and beauty treatments, and lack of HBV vaccination were independently associated with AHB. Among those risks, pedicure in bath centres emerged. Sixty-eight of 128 patients with AHB were genotyped including 33 with HBV B2 and 35 with HBV C2. Twenty-five (8.50%) of the 294 patients, including 20 with HBV C2 and 5 with HBV B2 (p = 0.013), progressed to chronic infection. Multivariate analysis showed that HBV C2 was independently associated with chronicification of AHB. Patients with HBV B2 were younger and there was a higher proportion of women than those with HBV C2. The prevalence of HBV B2 was higher in the patients than in neighbourhood chronic carriers. The chronic carriers with HBV B2 showed higher viral loads, higher hepatitis B e antigen (HBeAg) seropositivity, and with higher proportion in men than those with HBV C2, implying that sexual contact plays a role in the transmission of HBV B2. Phylogenetic analysis showed that HBV C2 was frequently involved in transmissions within households. CONCLUSIONS Despite lower viral load and HBeAg status in the chronic carriers, HBV C2 was more prone to causing chronic infection than was HBV B2.
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Affiliation(s)
- H W Zhang
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - J H Yin
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - Y T Li
- Department of Acute Infectious Diseases, Center for Disease Control and Prevention, Shanghai, China
| | - C Z Li
- Department of Infectious Diseases, The 1 Affiliated Hospital, Second Military Medical University, Shanghai, China
| | - H Ren
- Department of Acute Infectious Diseases, Center for Disease Control and Prevention, Shanghai, China
| | - C Y Gu
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - H Y Wu
- Department of Acute Infectious Diseases, Center for Disease Control and Prevention, Shanghai, China
| | - X S Liang
- Department of Infectious Diseases, The 1 Affiliated Hospital, Second Military Medical University, Shanghai, China
| | - P Zhang
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - J F Zhao
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - X J Tan
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - W Lu
- Department of Epidemiology, Second Military Medical University, Shanghai, China
| | - S Schaefer
- Abteilung für Virologie, Universität Rostock, Germany
| | - G W Cao
- Department of Epidemiology, Second Military Medical University, Shanghai, China
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17
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Abstract
A long-term field investigation was carried out in naturally ventilated residential buildings in Shanghai from April 2003 to November 2004. A total of 1,768 returned questionnaires were collected in the study. This study deals with the thermal sensation of occupants in naturally ventilated buildings and the change in thermal neutral temperature with season. The range of accepted temperature in naturally ventilated buildings is between 14.7 degrees C T(op) and 29.8 degrees C T(op). The results also report the findings of the adaptive comfort model in Shanghai that determines the adaptive relationship of neutral temperature with outdoor air temperature. A long-term field study was carried out in residential buildings in Shanghai to find the relationship between thermal sensation, indoor neutral temperature and outdoor temperature. This paper presents findings of thermal comfort and discusses the more sustainable standard for the indoor climate of residential buildings in Shanghai.
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Affiliation(s)
- X J Ye
- Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai, China
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18
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Liu W, Cao WC, Zhang CY, Tian L, Wu XM, Habbema JDF, Zhao QM, Zhang PH, Xin ZT, Li CZ, Yang H. VDR and NRAMP1 gene polymorphisms in susceptibility to pulmonary tuberculosis among the Chinese Han population: a case-control study. Int J Tuberc Lung Dis 2004; 8:428-34. [PMID: 15141734] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023] Open
Abstract
OBJECTIVE To explore the potential role of vitamin D receptor (VDR) gene and natural-resistance-associated macrophage protein 1 (NRAMP1) gene polymorphisms in susceptibility to pulmonary tuberculosis (PTB) in the Chinese Han population. DESIGN In an unmatched case-control study, 120 well defined PTB patients and 240 unrelated normal controls were enrolled. Information on potential risk factors of PTB was collected using a standard questionnaire. Genetic polymorphisms of VDR gene (TaqI and FokI) and NRAMP1 gene (INT4, D543N and 3'UTR) were analysed using PCR and RFLP. Unconditional logistic regression was performed, and odds ratios (ORs), their 95% confidence intervals (CI) and P values were estimated using maximum likelihood methods. RESULTS Univariate analysis demonstrated that FokI-ff homozygotes, D543N G/A and 3'UTR TGTG+/del heterozygotes occurred more frequently in patients than in controls. The crude ORs were 2.345 (95%CI 1.222-4.499), 2.590 (95%CI 1.043-6.434) and 1.890 (95%CI 1.171-3.051), respectively, compared with their corresponding common genotypes. The P values were 0.033, 0.041 and 0.030, respectively. After adjusting for exposure history and BCG immunisation in the multivariate analysis, the adjusted ORs were 4.625 (95%CI 1.737-12.312), 2.415 (95%CI 1.079-8.759) and 2.187 (95%CI 1.146-4.175), with P values of 0.002, 0.036 and 0.018, respectively. Neither univariate nor multivariate analysis disclosed any significant association between the disease and TaqI or INT4. CONCLUSIONS Polymorphisms in the VDR and NRAMP1 gene are statistically associated with susceptibility to PTB in the Chinese Han population.
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Affiliation(s)
- W Liu
- Department of Epidemiology, Beijing Institute of Epidemiology and Microbiology, Beijing, PR China
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Li CZ, Tan DM, Liu SH. [Effect of artificial liver support system on the patients with severe hepatitis]. Hunan Yi Ke Da Xue Xue Bao 2001; 26:377-8. [PMID: 12536744] [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: 02/28/2023]
Abstract
OBJECTIVE To study the effective treatment for severe hepatitis. METHODS The severe hepatitis patients were treated by artificial liver support system on basis of the generalized treatment. RESULTS After treatment the level of serum total bilirubin was significant decreased (P < 0.01); the level of aminotransferase were significant decreased (P < 0.01); the prothrombin time was significantly shortened(P < 0.05). The survival rate of severe hepatitis was significantly increased(72%, 31/43)(P < 0.05). CONCLUSION The artificial liver support system can elevate the survival rate of severe hepatitis.
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Affiliation(s)
- C Z Li
- Department of Infection, Xiangya Hospital, Central South University, Changsha 410008, China
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20
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Li CZ, Wang HW, Liu JL, Liu K, Yang ZF, Liu YM. [Effect of ATXII on opening modes of myocyte sodium channel, action potential and QT intervals of ECG]. Sheng Li Xue Bao 2001; 53:111-6. [PMID: 11471209] [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: 02/20/2023]
Abstract
Single sodium channel currents were recorded by patch clamp technique in isolated guinea-pig ventricular myocytes, and action potentials of papillary muscle and ECG were conventionally measured. Sea anemone toxin (ATXII), a high affinity toxin to sodium channel, was used to change the sodium channel dynamics. Changes in the duration of action potentials and the QT interval of ECG depending on the channel modes were studied in order to provide hints to an understanding of pathogenesis of the long QT syndrome (a genetic disease). With the binding of ATXII to the sodium channel, the occurrence frequency and the open time constant of the "long opening" mode of single Na channels increased significantly, whereas the action potential durations, APD50 and APD90, were prolonged by 23% and 27% respectively. Following application of ATXII, on the other hand, the QT interval and the QTc, a rectified QT interval, increased by 18.6% and 18.9% respectively. The results suggest that the dynamics or modes of Na channel play an important role in determining the action potential duration and the QT interval of ECG. The dynamical changes in Na channels induced by genetic mutation may be partially responsible for the long QT syndrome.
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Affiliation(s)
- C Z Li
- Department of Physiology, Shanghai Second Medical University, Shanghai 200025
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21
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Shu C, Li CZ, He HX, Bogozi A, Bunch JS, Tao NJ. Fractional conductance quantization in metallic nanoconstrictions under electrochemical potential control. Phys Rev Lett 2000; 84:5196-5199. [PMID: 10990901 DOI: 10.1103/physrevlett.84.5196] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/1999] [Indexed: 05/23/2023]
Abstract
We study the electrical conductance of gold nanoconstrictions by controlling the electrochemical potential. At positive potentials, the conductance is quantized near integer multiples of G0(2e(2)/h) as shown by well-defined peaks in the conductance histogram. Below a certain potential, however, additional peaks near 0.5G(0) and 1. 5G(0) appear in the histogram. The fractional conductance steps are as stable and well defined as the integer steps. The experimental data are discussed in terms of electrochemical-potential-induced defect scattering and Fermi energy shift, but a complete theory of the phenomenon is yet to be developed.
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Affiliation(s)
- C Shu
- Department of Physics, Florida International University, Miami, Florida 33199, USA
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22
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Wang B, Ke LH, Jiang H, Li CZ, Tien P. Selection of a specific peptide from a nona-peptide library for in vitro inhibition of grass carp hemorrhage virus replication. Virus Res 2000; 67:119-25. [PMID: 10867191 DOI: 10.1016/s0168-1702(00)00132-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Grass carp hemorrhage virus (GCHV), a member of Reoviridae, causes severe hemorrhagic disease of grass carp (Ctenopharyngodon idellus) in China. Icosahedral virions of GCHV were used as to assay the effect of specific peptides for the inhibition of GCHV infectivity. A random nona-peptide library displayed on phage fUSE5 was constructed, and the expressed peptides were fused onto the amino terminus of the minor coat protein III. By biopanning, the fused peptides were bound to the biotinylated GCHV. Phages containing specific peptides bound to GCHV were eluted and amplified in Escherichia coli K91. Three rounds of affinity selection enriched the pool of inhibiting peptides. Sixteen clones which inhibited the replication of GCHV in a grass carp kidney cell line were selected. The TCID(50) of GCHV was decreased over 10000x. Six clones having the strongest inhibitory effect shared the same DNA sequence, with a deduced amino acid sequence of NH(2)-Leu-Trp-Val-Gly-Gly-Gly-Arg-Asn-Ala-COOH. A synthesized nona-peptide of identical sequence exhibited similar inhibitory activity towards GCHV replication in vitro.
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Affiliation(s)
- B Wang
- Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China
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23
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Abstract
Cesium blocks the hyperpolarization-activated current i(f) but blocks neither the delayed-rectifier current i(K) nor the sinoatrial (SA) node discharge. It has been proposed that the failure of Cs+ to block SA discharge is either an incomplete block or a negative shift of i(f). However, an alternative possibility is that i(K) (rather than i(f)) has a predominant role in the SA-pacemaker potential. To investigate this point, the effects of Cs+ on both i(f) and i(K) in the pacemaker range of potentials were studied in the same single SA node cell at the same time by means of the perforated patch-clamp technique. Hyperpolarizing steps from a holding potential (Vh) of -35 mV into and past the pacemaker-potential range resulted in a progressively larger i(f) associated with an increasing slope conductance. Cs+ (2 mM) reversibly blocked both i(f) and the slope conductance increase, suggesting that the current activated was indeed predominantly i(f). Subsequently, hyperpolarizing steps to -50, -60, and -70 mV were applied in the absence (to activate only i(f)) and in the presence of a prior depolarizing step to +10 mV (to activate i(K) as well, as the action potential normally does). Cs+ almost abolished i(f) but only slightly decreased i(K). It is concluded that the failure of Cs+ to block the SA- node spontaneous discharge is not due to a shift of i(f) out of the pacemaker range (due to run-down) or an incomplete block of i(f). Instead, the resistance of i(K) to block by Cs+ is consistent with a predominant role of i(K) for the discharge of the SA node, although i(f) can contribute under normal or special circumstances. The reduction of i(K) by Cs+ raises the question whether the Cs+ slows the SA-node discharge not only by suppressing I(f), but also by reducing i(K).
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Affiliation(s)
- Y M Liu
- Department of Physiology and Biophysics, State University of New York, Health Science Center, Stony Brook 11794-8661, USA
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24
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Li CZ, Liu YM, Yang ZF, Lu HL. [Effects of Cs on automaticity and pacemaker current If and Ik in rabbit sinus node cells]. Sheng Li Xue Bao 1998; 50:409-15. [PMID: 11324550] [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: 02/19/2023]
Abstract
Conventional microelectrode and perforated patch clamp techniques were employed to study the pacemaker mechanisms in enzyme-isolated rabbit sinus node cells. 2 mmol/L Cs had little effect on automatic discharge of the SA node and the slope of diastolic depolarization. Cs blocked both If and slope conductance increase but left Ik largely unaffected. The results suggest that If is not essential for the first stage of automatic activity of the rabbit SA node.
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Affiliation(s)
- C Z Li
- Department of Physiology, Shanghai Second Medical University, Shanghai 200025
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25
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Abstract
The imbalance of T-helper (Th) lymphocyte cytokine production may play an important role in immunopathogenesis of persistent hepatitis C virus (HCV) infection. To know whether an imbalance between Th1 and Th2 cytokines is present in chronic HCV infection, serum levels of Th1 cytokines, interferon gamma (IFN-gamma) and interleukin (IL)-2, and Th2 cytokines, IL-4 and IL-10, were measured using enzyme-linked immunosorbent assay in this study. Eighteen individuals with chronic HCV infection, 11 healthy subjects as normal controls and 10 chronic HBV infected patients as disease controls were observed. The results showed that the levels of Th2 cytokines (IL-4 and IL-10) were significantly increased in chronic HCV infected patients compared with normal controls (IL-4: 30.49+/-17.55 vs. 14.94+/-13.73, pg/ml, P<0.025; IL-10: 50.30+/-19.59 vs. 17.87+/-9.49, pg/ml, P<0.001). Similarly, the levels of Th1 cytokine, IL-2, was also elevated in individuals with chronic HCV infection when compared with normal controls (IL-2: 118.53+/-95.23 vs. 61.57+/-28.70, pg/ml, P<0.05). However, Th1 cytokine IFN-gamma level was not significantly changed during HCV infection (IFN-gamma: 28.09+/-15.65 vs. 24.10+/-15.61, pg/ml, P>0.05). Furthermore, the elevated levels of Th2 cytokines are greater than Th1 cytokines in HCV infection. Thus, the study indicates that an enhanced Th2 responses are present during chronic HCV infection, which may partly be responsible for the persistence of HCV infection.
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Affiliation(s)
- X G Fan
- Department of Infectious Diseases, Xiangya Hospital, Hunan Medical University, Changsha, People's Republic of China
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26
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Liu YM, Wang HW, Li CZ. [Voltage dependence of late Na channel with burst mode in isolated cardiac myocytes]. Sheng Li Xue Bao 1997; 49:483-90. [PMID: 9813485] [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: 02/09/2023]
Abstract
Patch clamp technique was employed to record single Na channel currents in isolated guinea-pig ventricular myocytes. Burst mode could be elicited by step depolarization and terminates immediately after repolarization. The unitary current of burst mode was not only dependent on Na concentration in the pipettes but also on the test voltage. The open time constant increased as testing voltage becomes more positive. The results from stepwise-depolarization and ramp depolarization experiments showed that the more steps or the faster the upstroke velocity of depolarization used, the more the burst mode would occure.
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Affiliation(s)
- Y M Liu
- Department of Physiology, Shanghai Second Medical University
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27
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Li CZ, Wang XD, Wang HW, Bian YT, Liu YM. Four types of late Na channel current in isolated ventricular myocytes with reference to their contribution to the lastingness of action potential plateau. Sheng Li Xue Bao 1997; 49:241-8. [PMID: 9812806] [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: 02/09/2023]
Abstract
Patch clamp technique was employed to record single Na channel current in isolated guinea-pig ventricular myocytes. Four types of late Na channel currents were observed with whole cell and inside-out recording, which are (1) isolated brief openings, (2) scattered openings, (3) long openings and (4) bursts. The occurrence frequencies of the four types were different. Bursts appeared about 1 in every 2,000 depolarizations, with an open time constant longer than others. However, all the four types of late current openings, as well as the early openings occurring immediately upon depolarization, could be blocked by tetrodotoxin. It was also found that at a certain stimulation frequency, normal action potential duration (APD) was not invariable as supposed before, but varied from stimulation to stimulation. Special Na channel blocker, TTX, shortened the APD and refractory period and abolished the dispersion. The above results suggest that the activities of the various types of late Na channel play an important role in the formation of action potential plateau.
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Affiliation(s)
- C Z Li
- Department of Physiology, Shanghai Second Medical University
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28
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Chen LJ, Li CZ, Liang CH. Inversion of conductivity profiles using the Volterra functional method. Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics 1994; 50:551-554. [PMID: 9962001 DOI: 10.1103/physreve.50.551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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29
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Bao RD, Li CZ, Liu YM, Xu YQ. [Effects of alpha-adrenoreceptor excitation on the delayed after-depolarization of sheep cardiac Purkinje fibers]. Sheng Li Xue Bao 1994; 46:181-6. [PMID: 7973801] [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: 01/28/2023]
Abstract
By using acetyl strophanthidin (AS) 0.2 mumol/L, the delayed after-depolarization (DAD) was induced in sheep cardiac Purkinje fibers and recorded with intra-cellular microelectrode. When beta-adrenoceptor was blocked by propranolol 1.0 mumol/L, phenylephrine 1.0 mumol/L increased the amplitude of DAD from 8.1 +/- 2.2 mV to 9.5 +/- 2.8 mV, prolonged the duration of DAD from 240 +/- 47 ms to 273 +/- 47 ms (n = 13, P < 0.01) and increased the up rising velocity of DAD from 0.039 +/- 0.023 V/s to 0.051 +/- 0.026 V/s (n = 13, P < 0.05). The DAD occurred earlier for 30 +/- 47 ms to preceding action potential (n = 13, P < 0.05). When triggered action potentials were induced by norepinephrine 1.0 mumol/L on the basis of DAD, propranolol 1.0 mumol/L could suppress the triggered beats while phentolamine 1.8 mumol/L showed little effect. The above results indicate that excitation of alpha-receptor had only slight augmentation effect on DAD. However, for the triggered activity induced by DAD, the inhibitory effect of beta-blockers are stronger than that of alpha-blockers.
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Affiliation(s)
- R D Bao
- Shanghai Second Medical University
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30
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Li CZ, Li O, Wang SL. [Effects of oxygen free radicals in ischemic small intestine injuries]. Zhonghua Zheng Xing Shao Shang Wai Ke Za Zhi 1993; 9:63-66. [PMID: 8330251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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31
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Li CZ. [Peroxidation of the small intestine and its effect on absorption of amino acids in burned rats]. Zhonghua Zheng Xing Shao Shang Wai Ke Za Zhi 1990; 6:53-6, 78. [PMID: 2162726] [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: 12/30/2022]
Abstract
The purpose of this study was to investigate the dynamic changes of the level of lipid peroxidation products (malonaldehyde, MDA) of intestine, intestinal water, Na-K ATPase activity of intestinal mucosa and the intestinal leucine absorption rate of rats subjected to 30% III degrees burns. The results showed that the value of the intestinal MDA was higher, the Na-K ATPase activity of the intestinal mucosa reduced markedly, the wet/dry ratio of intestinal weight was increased significantly and the intestinal leucine absorption rate in vivo was distinctly reduced postburn. However, the content of intestinal MDA and the wet/dry ratio of intestine weight was significantly reduced, and the Na-K ATPase activity and leucine absorption rate was increased in burn rats treated with SOD and CAT than in untreated burn rats. These results strongly suggested that lipid peroxide may play an important role in the impairment of leucine absorption rate of intestine after burns, and the edema and reduced Na-K ATPase activity of intestinal mucosa resulted from the increased lipid peroxide might take active parts impairing the intestinal absorption.
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Affiliation(s)
- C Z Li
- Burn Institute, Southwestern Hospital, Third Military Medical College
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32
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Liu YM, Xu YQ, Li CZ, Wu JY. [Changes of Isi and Ix in sheep cardiac Purkinje fibers during alpha- and beta- adrenoceptor excitation]. Sheng Li Xue Bao 1989; 41:436-43. [PMID: 2557675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
When alpha- and beta- adrenoceptors were activated respectively in sheep cardiac Purkinje fibers, changes of the slow inward current (Isi) and delayed rectifier current (Ix) were studied by using two-microelectrode voltage clamp technique. When beta-receptor was blocked by propranolol, phenylephrine 5.0 x 10(-6) mol/L increased the peak value of Isi from 17.5 to 26 nA (n = 6, P less than 0.05) and prolonged the ms recovery time of Isi from inactivation from 293 +/- 51 ms to 441 +/- 190 (n = 4, P less than 0.05). Phenylephrine had no effect on the delayed rectifier current (Ix). When alpha-adrenoceptor was blocked by phentolamine, isoprenaline of 4 x 10(-7) mol/L increased the peak value of Isi from 27.7 to 40.8 nA (n = 7, P less than 0.05) and had no effect on the kinetics of Isi, but it did increase the tail current (Ix) peak value from 6.7 to 14.4 nA (n = 6, P less than 0.05). The results suggest that alpha- and beta-adrenoceptor agonists differ in their effects on delay rectifier current.
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33
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Li CZ, Li ZH, Gao JY. [Identification of four new strains Leptospira]. Wei Sheng Wu Xue Bao 1988; 28:173-8. [PMID: 3201780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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34
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Wu XD, Li CZ, Yu YM. [Modified radical mastectomy with preservation of the anterior thoracic nerve]. Zhonghua Wai Ke Za Zhi 1987; 25:576-7, 612-3. [PMID: 3449337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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35
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Chang CF, Li CZ. [Experimental studies on the mechanism of anti-platelet aggregation action of motherwort]. Zhong Xi Yi Jie He Za Zhi 1986; 6:39-40, 5. [PMID: 3015434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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36
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Li CZ. [Experimental studies on the hemostatic effect of Gynura bicolor]. Zhong Yao Tong Bao 1985; 10:42-3. [PMID: 2935317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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37
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Li CZ. [Anti-inflammatory effect of the volatile oil from Curcuma aromatica]. Zhong Yao Tong Bao 1985; 10:38-40. [PMID: 2931201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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38
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Li CZ. [Observation on levels of serum LH and plasma testosterone in workers exposed to fast neutrons while searching for mines]. Zhonghua Yu Fang Yi Xue Za Zhi 1984; 18:346-8. [PMID: 6543738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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39
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Li CZ, Yang SC, Zhao FD. [Effects of tanshinone II-A sulfonate on thrombus formation, platelet and blood coagulation in rats and mice]. Zhongguo Yao Li Xue Bao 1984; 5:39-42. [PMID: 6232819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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40
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Chen TQ, Li CZ, Ni SF, Shi M, Luo GX, Dong DX. [Studies on new attenuated strains of type I live poliovirus vaccine. II. Investigation on a series of field trials with "Zhong I9" strain]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 1983; 5:373-7. [PMID: 6327097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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41
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Chen TQ, Li CZ, Ni SF, Ji GF, Shi M, Ye ZZ, Guo R, Dong DX. [Studies on new attenuated strains of type I live poliovirus vaccine. I. Development of Zhong I9 strain]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 1983; 5:280-4. [PMID: 6329533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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42
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Li CZ. [Experimental study on the anticoagulative action of Danshensu]. Zhong Xi Yi Jie He Za Zhi 1983; 3:297-9. [PMID: 6227414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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43
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Li CZ, Yang SC. [The effect of yimucao, chishao, danggui, sanleng, erzhu and zelan on blood coagulation in rats]. Zhong Xi Yi Jie He Za Zhi 1982; 2:69, 111-2. [PMID: 6222829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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44
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Li CZ, Zhang RJ. [A new extracorporeal perfusion technique for dispersing monkey kidney cell in tissue culture (author's transl)]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 1981; 3:56-8. [PMID: 6458396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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45
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Li CZ. [Serial x-ray observations on the therapeutic effects of sodium selenite and vitamin E in Kashin-Beck disease of hand parts only (author's transl)]. Zhonghua Fang She Xue Za Zhi 1980; 14:6-8. [PMID: 6451383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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46
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Li CZ, Chen TQ, Shi M, Ni SF. [Use of the microplate in cell culture for virological and serological tests of polioviruses (author's transl)]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 1979; 1:97-100. [PMID: 233640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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