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The Jackson Laboratory

13 ARTICLES PUBLISHED IN JoVE

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Biology

Drosophila Pupal Abdomen Immunohistochemistry
Wei Wang 1, John H. Yoder 1
1Department of Biological Sciences, University of Alabama

Antibody staining of the Drosophila pupae can enhance genetic analyses of adult abdominal developmental genetics. We present our protocol for dissection, fixation and antibody staining of staged Drosophila pupal abdomen.

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Medicine

Imaging Glioma Initiation In Vivo Through a Polished and Reinforced Thin-skull Cranial Window
Lifeng Zhang *1, Andree Lapierre *1, Brittany Roy 1, Maili Lim 1, Jennifer Zhu 1, Wei Wang 1, Stephen B. Sampson 1, Kyuson Yun 1, Bonnie Lyons 1, Yun Li 1, Da-Ting Lin 1
1The Jackson Laboratory

By combining a polished and reinforced thin-skull (PoRTS) cranial window and glioblastoma (GBM) cell injection, we can observe glioma initiation and growth from injected GBM cells in the brain of a live mouse longitudinally.

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Neuroscience

Imaging pHluorin-tagged Receptor Insertion to the Plasma Membrane in Primary Cultured Mouse Neurons
Yun Li 1, Brittany D. Roy 1, Wei Wang 1, Lifeng Zhang 1, Stephen B. Sampson 1, Da-Ting Lin 1
1The Jackson Laboratory

By tagging the extracellular domains of membrane receptors with superecliptic pHluorin, and by imaging these fusion receptors in cultured mouse neurons, we can directly visualize individual vesicular insertion events of the receptors to the plasma membrane. This technique will be instrumental in elucidating the molecular mechanisms governing receptor insertion to the plasma membrane.

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Chemistry

Facile and Efficient Preparation of Tri-component Fluorescent Glycopolymers via RAFT-controlled Polymerization
Wei Wang 1, John M. Lester 1, Anthony E. Amorosa 2, Deborah L. Chance 3, Valeri V. Mossine 1, Thomas P. Mawhinney 1,4
1Department of Biochemistry, University of Missouri, 2Department of Biological Sciences, University of Missouri, 3Department of Molecular Microbiology & Immunology, University of Missouri, 4Department of Child Health, University of Missouri

An efficient, three-step synthesis of RAFT-based fluorescent glycopolymers, consisting of glycomonomer preparation, copolymerization, and post-modification, is demonstrated. This protocol can be used to prepare RAFT-based statistical glycopolymers with desired structures.

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Medicine

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
John Harry Caufield 1,2, David A. Liem 1,2,3, Anders O. Garlid 1,2, Yijiang Zhou 4, Karol Watson 1,3, Alex A. T. Bui 1,5,6,7, Wei Wang 1,7,8,9, Peipei Ping 1,2,3,7,8
1The NIH BD2K Center of Excellence in Biomedical Computing, University of California, Los Angeles, 2Department of Physiology, University of California, Los Angeles, 3Department of Medicine/Cardiology, University of California, Los Angeles, 4Department of Cardiology, First Affiliated Hospital, Zhejiang University School of Medicine, 5Department of Radiological Sciences, University of California, Los Angeles, 6Department of Bioengineering, University of California, Los Angeles, 7Scalable Analytics Institute (ScAi), University of California, Los Angeles, 8Department of Bioinformatics, University of California, Los Angeles, 9Department of Computer Science, University of California, Los Angeles

We present a protocol and associated metadata template for the extraction of text describing biomedical concepts in clinical case reports. The structured text values produced through this protocol can support deep analysis of thousands of clinical narratives.

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Medicine

Cloud-Based Phrase Mining and Analysis of User-Defined Phrase-Category Association in Biomedical Publications
Dibakar Sigdel *1,2, Vincent Kyi *1,2, Aiden Zhang *1, Shaun P. Setty 3, David A. Liem 1,2,4, Yu Shi 5, Xuan Wang 5, Jiaming Shen 5, Wei Wang 1,6,7, JiaWei Han 5, Peipei Ping 1,2,4,6
1The NIH BD2K Center of Excellence in Biomedical Computing, University of California, Los Angeles, 2Department of Physiology, University of California, Los Angeles, 3Department of Pediatric and Adult Congenital Heart Surgery, Miller Children's and Women's Hospital and Long Beach Memorial Hospital, 4Department of Medicine/Cardiology, University of California, Los Angeles, 5NIH BD2K Program Centers of Excellence for Big Data Computing -- KnowEng Center, Department of Computer Science, University of Illinois at Urbana-Champaign (UIUC), 6Scalable Analytics Institute (ScAi), University of California, Los Angeles, 7Department of Computer Science, University of California, Los Angeles

We present a protocol and associated programming code as well as metadata samples to support a cloud-based automated identification of phrases-category association representing unique concepts in user selected knowledge domain in biomedical literature. The phrase-category association quantified by this protocol can facilitate in depth analysis in the selected knowledge domain.

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Medicine

Orthotopic Rat Kidney Transplantation: A Novel and Simplified Surgical Approach
Ali R. Ahmadi 1, Le Qi 1, Kenichi Iwasaki 1, Wei Wang 1, Russell N. Wesson 1, Andrew M. Cameron 1, Zhaoli Sun 1
1Department of Surgery, Johns Hopkins University School of Medicine

The purpose of this manuscript and protocol is to explain and demonstrate in detail the surgical procedure of orthotopic kidney transplantation in rats. This method is simplified to achieve the correct perfusion of the donor kidney and shorten the reperfusion time by using the venous and ureteral cuff anastomosis technique.

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Environment

A Uniaxial Compression Experiment with CO2-Bearing Coal Using a Visualized and Constant-Volume Gas-Solid Coupling Test System
Weitao Hou 1, Hanpeng Wang 1, Wei Wang 1, Zhongzhong Liu 1, Qingchuan Li 1
1Research Center of Geotechnical and Structural Engineering, Shandong University

This protocol demonstrates how to prepare a briquette sample and conduct a uniaxial compression experiment with a briquette in different CO2 pressures using a visualized and constant-volume gas-solid coupling test system. It also aims to investigate changes in terms of coal’s physical and mechanical properties induced by CO2 adsorption.

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Medicine

Immunoglobulin G N-Glycan Analysis by Ultra-Performance Liquid Chromatography
Di Liu *1, Xizhu Xu *2, Yuejin Li 2, Jie Zhang 1, Xiaoyu Zhang 1, Qihuan Li 1, Haifeng Hou 2, Dong Li 2, Wei Wang 1,2,3, Youxin Wang 1
1Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 2School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, 3School of Medical and Health Sciences, Edith Cowan University

Immunoglobulin G (IgG) N-glycan is characterized using hydrophilic interaction chromatography UPLC. In addition, the structure of IgG N-glycan is clearly separated. Presented here is an introduction to this experimental method so that it can be widely used in research settings.

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Behavior

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
Yi Xie 1, Sai-Yue Deng 1, Si-Miao Chen 1, Xue-Jiao Chen 1, Wen-Wen Lai 1, Li-Fang Huang 1, Li Ba 1, Wei Wang 1,2, Feng-Fei Ding 1,3
1Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000, China, 2Key Laboratory of Neurological Diseases of Chinese Ministry of Education, The School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430000,China, 3Department of Pharmacology, School of Basic Medical Science; State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, China

Presented here is a protocol for chronic sleep fragmentation (CSF) model achieved by an electrically controlled orbital rotor, which could induce confirmed cognitive deficit and anxiety-like behavior in young wild-type mice. This model can be applied to explore the pathogenesis of chronic sleep disturbance and related disorders.

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Neuroscience

Establishment of a Rat Model of Superior Sagittal-Sinus Occlusion via a Thread-Embolism Method
Weiyan Jiang *1, Congcong Jin *2, Weiming Xu *3, Yingxian Li 4, Yinghong Lin 5, Shengxiang Liang 6,7, Wei Wang 8
1Department of Clinical Laboratory, the Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, 2Rehabilitation Department, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, 3Department of Neurosurgery, the Hospital of Changle, 4Pediatrics Ward 2, Shouguang Hospital of Traditional Chinese Medicine, 5Fujian University of Traditional Chinese Medicine, 6National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, 7Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, 8Department of Neurosurgery, the First Affiliated Hospital of Wenzhou Medical University

Here, we establish a novel Sprague-Dawley (SD) rat model of superior sagittal sinus (SSS) thrombosis via a thread-embolization method, and the stability and reliability of the model were verified.

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JoVE Core

Whole Ovary Immunofluorescence, Clearing, and Multiphoton Microscopy for Quantitative 3D Analysis of the Developing Ovarian Reserve in Mouse
Ruby Boateng 1, Nathaniel Boechat 1, Philipp P. Henrich 1, Ewelina Bolcun-Filas 1
1The Jackson Laboratory

Here, we present an optimized protocol for imaging entire ovaries for quantitative and qualitative analyses using whole-mount immunostaining, multiphoton microscopy, and 3D visualization and analysis. This protocol accommodates high-throughput, reliable, and repeatable processing that is applicable for toxicology, clinical diagnostics, and genomic assays of ovarian function.

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Neuroscience

Stereotaxic Viral Injection and Gradient-Index Lens Implantation for Deep Brain In Vivo Calcium Imaging
Rashmi Thapa 1, Bo Liang 2, Rongsong Liu 3, Yun Li 1
1Department of Zoology and Physiology, University of Wyoming, 2School of Electrical Engineering & Computer Science, University of North Dakota, 3Department of Mathematics and Statistics, University of Wyoming

Miniscope in vivo calcium imaging is a powerful technique to study neuronal dynamics and microcircuits in freely behaving mice. This protocol describes performing brain surgeries to achieve good in vivo calcium imaging using a miniscope.

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