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Shanghai University of Sport

16 ARTICLES PUBLISHED IN JoVE

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Immunology and Infection

Protocol for Production of a Genetic Cross of the Rodent Malaria Parasites
Sittiporn Pattaradilokrat 1, Jian Li 1,2, Xin-zhuan Su 1
1National Institute of Allergy and Infectious Diseases, National Institutes of Health, 2School of Life Science, Xiamen University

Genetic crosses of rodent malaria parasites are performed by feeding two genetically distinct parasites to mosquitoes. Recombinant progeny are cloned from mouse blood after allowing mosquitoes to bite infected mice. This video shows how to produce genetic crosses of Plasmodium yoelii and is applicable to other rodent malaria parasites.

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Bioengineering

Simultaneous Synthesis of Single-walled Carbon Nanotubes and Graphene in a Magnetically-enhanced Arc Plasma
Jian Li 1, Alexey Shashurin 1, Madhusudhan Kundrapu 1, Michael Keidar 1
1Department of Mechanical and Aerospace Engineering, The George Washington University

Anodic arc discharge is one of the most practical and efficient methods to synthesize various carbon nanostructures. To increase the arc controllability and flexibility, a non-uniform magnetic field was introduced to process the one-step synthesis of large-scale graphene flakes and high-purity single-walled carbon nanotubes.

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Medicine

Collection and Extraction of Saliva DNA for Next Generation Sequencing
Michael R. Goode 1, Soo Yeon Cheong 1, Ning Li 1, William C. Ray 1,2, Christopher W. Bartlett 1,3
1Battelle Center for Mathematical Medicine, The Research Institute at Nationwide Children's Hospital, 2The Interdisciplinary Graduate Program in Biophysics, The Ohio State University, 3Department of Pediatrics, The Ohio State University

DNA extraction from saliva can provide a readily available source of high molecular weight DNA, with little to no degradation/fragmentation. This protocol provides optimized parameters for saliva collection/storage and DNA extraction to be of sufficient quality and quantity for downstream DNA assays with high quality requirements.

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Developmental Biology

Combining Intravital Fluorescent Microscopy (IVFM) with Genetic Models to Study Engraftment Dynamics of Hematopoietic Cells to Bone Marrow Niches
Lin Wang *1, Malgorzata M. Kamocka *2, Amy Zollman 3, Nadia Carlesso 3
1Wells Center for Pediatric Research, Department of Pediatrics, Indiana University School of Medicine, 2Indiana Center for Biological Microscopy, Department of Medicine, Indiana University School of Medicine, 3Department of Pediatrics, Indiana University School of Medicine

Intravital fluorescence microscopy (IVFM) of the calvarium is applied in combination with genetic animal models to study the homing and engraftment of hematopoietic cells into bone marrow (BM) niches.

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Bioengineering

Visualizing Angiogenesis by Multiphoton Microscopy In Vivo in Genetically Modified 3D-PLGA/nHAp Scaffold for Calvarial Critical Bone Defect Repair
Jian Li 1, Holger Jahr 2,3, Wei Zheng 4, Pei-Gen Ren 1
1Center for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 2Department of Orthopedic Surgery, Maastricht UMC+, 3Department of Orthopaedic Surgery, University Hospital RWTH, 4Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences

Here, we present a protocol to visualize blood vessel formation in vivo and in real-time in 3D scaffolds by multiphoton microscopy. Angiogenesis in genetically modified scaffolds was studied in a murine calvarial critical bone defect model. More new blood vessels were detected in the treatment group than in controls.

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Environment

Preparation of Authigenic Pyrite from Methane-bearing Sediments for In Situ Sulfur Isotope Analysis Using SIMS
Zhiyong Lin 1,3, Xiaoming Sun 1,2,3,4, Jörn Peckmann 5, Yang Lu 2,3, Harald Strauss 6, Li Xu 2,3, Hongfeng Lu 7, Barbara M.A. Teichert 6
1School of Earth Sciences and Engineering, Sun Yat-sen University, 2School of Marine Sciences, Sun Yat-sen University, 3Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, 4South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, 5Institut für Geologie, Universität Hamburg, 6Institut für Geologie und Paläontologie, Westfälische Wilhelms-Universität Münster, 7Guangzhou Marine Geological Survey

Analyses of the sulfur isotopic composition (δ34S) of pyrite from methane-bearing sediments have typically focused on bulk samples. Here, we applied secondary ion mass spectroscopy to analyze the δ34S values of various pyrite generations to understand the diagenetic history of pyritization.

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Medicine

Optimized LC-MS/MS Method for the High-throughput Analysis of Clinical Samples of Ivacaftor, Its Major Metabolites, and Lumacaftor in Biological Fluids of Cystic Fibrosis Patients
Elena K. Schneider 1, Felisa Reyes-Ortega 1, Jian Li 1,2, Tony Velkov 1
1Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 2Monash Biomedicine Discovery Institute, Department of Microbiology, Monash University

Ivacaftor and ivacaftor-lumacaftor combination are two new CF drugs. However, there is still a dearth of understanding on their PK/PD and pharmacology. We present an optimized HPLC-MS technique for the simultaneous analysis of ivacaftor and its major metabolites, and lumacaftor.

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Engineering

An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature
Dong Li 1,3, Wenbo Liu 1,2, Ning Li 1, Zhenyu Zhong 1, Jiazhen Yan 1, Sanqiang Shi 2
1School of Manufacturing Science and Engineering, Sichuan University, 2Department of Mechanical Engineering, Hong Kong Polytechnic University, 3Department of Mechanical and Electrical Engineering, Chengdu Aeronautic Polytechnic

Here we present a protocol to obtain a novel Mn-Cu-based alloy with excellent comprehensive performances by a high-quality smelting technology and reasonable heat treatment methods.

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Medicine

Adeno-Associated Virus-Mediated Delivery of CRISPR for Cardiac Gene Editing in Mice
Li Xu 1, Yandi Gao 1, Yeh Siang Lau 1, Renzhi Han 1
1Department of Surgery, Davis Heart and Lung Research Institute, Biomedical Sciences Graduate Program, Biophysics Graduate Program, Ohio State University Wexner Medical Center

Here we provide a detailed protocol to carry out in vivo cardiac gene editing in mice using recombinant Adeno-Associated Virus(rAAV)-mediated delivery of CRISPR. This protocol offers a promising therapeutic strategy to treat dystrophic cardiomyopathy in Duchenne muscular dystrophy and can be used to generate cardiac-specific knockout in postnatal mice.

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JoVE Journal

Identification of Homologous Recombination Events in Mouse Embryonic Stem Cells Using Southern Blotting and Polymerase Chain Reaction
Dan Zhou *1,2, Lei Tan *1, Jian Li *3, Tanbin Liu 1, Yi Hu 1, Yalan Li 1, Sachiyo Kawamoto 4, Chengyu Liu 5, Shiyin Guo 3, Aibing Wang 1
1Lab of Animal Models and Functional Genomics (LAMFG), The Key Laboratory of Animal Vaccine & Protein Engineering, College of Veterinary Medicine, Hunan Agricultural University (HUNAU), 2Department of Pathology, Georgetown University Medical School, 3College of Food Science and Technology, Hunan Agricultural University (HUNAU), 4Lab of Molecular Cardiology (LMC), National Heart, Lung, and Blood Institute (NHLBI)/National Institutes of Health (NIH), 5Transgenic Core, National Heart, Lung, and Blood Institute (NHLBI)/National Institutes of Health (NIH)

Here, we present a detailed protocol for identifying homologous recombination events that occurred in mouse embryonic stem cells using Southern blotting and/or PCR. This method is exemplified by the generation of nonmuscle myosin II genetic replacement mouse models using traditional embryonic stem cell-based homologous recombination-mediated targeting technology.

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Biology

A Labor-saving and Repeatable Touch-force Signaling Mutant Screen Protocol for the Study of Thigmomorphogenesis of a Model Plant Arabidopsis thaliana
Kai Wang 1, Kayin Law 1, Manhin Leung 1, Waishing Wong 1, Ning Li 1,2
1Division of Life Science, Energy Institute, Institute for the Environment, The Hong Kong University of Science and Technology, 2Shenzhen Research Institute, The Hong Kong University of Science and Technology

A gentle touch-force loading machine is built from human hair brushes, robotic arms and a controller. The hair brushes are driven by robotic arms installed on the machine and move periodically to apply touch-force on plants. The strength of machine-driven hair touches is comparable to that of manually applied touches.

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Behavior

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Xiaodan Liu 1,2, Peijun Li 3, Jian Li 3, Lu Xiao 1, Ning Li 3, Yufan Lu 3, Zhengrong Wang 3, Jianqing Su 3, Zhenwei Wang 4, Chunlei Shan 1,2, Weibing Wu 3
1School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, 2Institute of Rehabilitation Medicine, Shanghai Academy of Traditional Chinese Medicine, 3Department of Sports Medicine, Shanghai University of Sport, 4Department of Respiratory Medicine, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine

Presented here is a protocol to investigate the effects of home-based prescribed pulmonary exercise in stable chronic obstructive pulmonary disease (COPD) patients, which is modified based on traditional Chinese exercises according to dyspnea and limited exercise capacity observed in COPD patients.

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Neuroscience

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
Lulu Yin 1, Zhangqi Lai 2, Xiaoyue Hu 2, Kun Liu 3, Lin Wang 2
1Department of Critical Care Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, 2School of Kinesiology, Shanghai University of Sport, 3Department of Rehabilitation Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital

Individuals with chronic ankle instability (CAI) exhibit postural control deficiency and delayed muscle activation of lower extremities. Computerized dynamic posturography combined with surface electromyography provides insights into the coordination of the visual, somatosensory, and vestibular systems with muscle activation regulation to maintain postural stability in individuals with CAI.

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Neuroscience

Evaluating the Function of the Foot Core System in the Elderly
Zhangqi Lai 1, Xiaoyue Hu 1, Li Xu 1, Kun Dong 1, Lin Wang 1
1Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai University of Sport

The functional core stability of the foot contributes to the human static posture and dynamic activities. This paper proposes a comprehensive evaluation for the function of the foot core system, which combines three subsystems. It may provide increased awareness and multifaceted protocol to explore the foot function among different populations.

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Neuroscience

Intraventricular Drug Delivery and Sampling for Pharmacokinetics and Pharmacodynamics Study
Sara Oberrauch 1, Jing Lu 1, Linda Cornthwaite-Duncan 1, Maytham Hussein 1, Jian Li 2, Gauri Rao 3, Tony Velkov 1
1Department of Biochemistry & Pharmacology, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, 2Department of Microbiology, Biomedicine Discovery Institute, Monash University, 3UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill

Delivery of therapeutics directly into the central nervous system is one way of circumventing the blood-brain barrier. The present protocol demonstrates intracerebroventricular injection for subsequent collection of cerebrospinal fluid and bodily organs. This facilitates the investigation of drug pharmacokinetics and pharmacodynamics in animal models for developing new treatments.

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Immunology and Infection

Rat Burn Model to Study Full-Thickness Cutaneous Thermal Burn and Infection
Rajnikant Sharma 1, Shekhar Yeshwante 1, Quentin Vallé 1, Maytham Hussein 2, Varsha Thombare 2, Sean Michael McCann 1, Robert Maile 3,4,5, Jian Li 6, Tony Velkov 2, Gauri Rao 1
1UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, 2Department of Biochemistry & Pharmacology, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, 3Department of Microbiology & Immunology, University of North Carolina School of Medicine, 4Department of Surgery, University of North Carolina at Chapel Hill, 5Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, 6Department of Microbiology, Monash Biomedicine Discovery Institute, Monash University

A model mimicking the clinical scenario of burn injury and infection is necessary for furthering burn research. The present protocol demonstrates a simple and reproducible rat burn infection model comparable to that in humans. This facilitates the study of burn and infections following burn for developing new topical antibiotic treatments.

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