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Chinese College of Critical Ultrasound

11 ARTICLES PUBLISHED IN JoVE

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Biology

Monitoring Acupuncture Effects on Human Brain by fMRI
Kathleen K. S. Hui 1, Vitaly Napadow 1, Jing Liu 1, Ming Li 1, Ovidiu Marina 1,2, Erika E. Nixon 1, Joshua D. Claunch 1, Lauren LaCount 1, Tara Sporko 1, Kenneth K. Kwong 1
1Department of Radiology, Massachusetts General Hospital and Harvard Medical School, 2William Beaumont Hospital

FMRI and physiological monitoring is used to study the effects of Acupuncture on the central and peripheral nervous systems. Acupuncture mobilizes a limbic-paralimbic-neocortical network, with great overlap with the default mode network, to modulate neurological activity, possibly related to its autonomic effect in the peripheral nervous system.

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JoVE Journal

Fabrication and Testing of Microfluidic Optomechanical Oscillators
Kewen Han 1, Kyu Hyun Kim 2, Junhwan Kim 1, Wonsuk Lee 2,3, Jing Liu 3, Xudong Fan 3, Tal Carmon 2, Gaurav Bahl 1
1Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, 2Electrical Engineering and Computer Science, University of Michigan, 3Biomedical Engineering, University of Michigan

Parametric optomechanical excitations have recently been experimentally demonstrated in microfluidic optomechanical resonators by means of optical radiation pressure and stimulated Brillouin scattering. This paper describes the fabrication of these microfluidic resonators along with methodologies for generating and verifying optomechanical oscillations.

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Developmental Biology

Efficient Generation of hiPSC Neural Lineage Specific Knockin Reporters Using the CRISPR/Cas9 and Cas9 Double Nickase System
Shenglan Li *1,2, Haipeng Xue *1,2, Bo Long 1,2,5, Li Sun 1,2,6, Tai Truong 1,2,4,7, Ying Liu 1,2,3
1Department of Neurosurgery, The University of Texas Health Science Center at Houston, 2Center for Stem Cell and Regenerative Medicine, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, 3The Senator Lloyd & B. A. Bentsen Center for Stroke Research, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, 4Summer Research Program, Office of Educational Programs, The University of Texas Health Science Center at Houston, 5Department of Anesthesiology, Shengjing Hospital, China Medical University, 6Department of Oncology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 7Biology Department, University of West Georgia

Genome editing tools such as the CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas (CRISPR-associated) system have greatly improved gene targeting efficiency in human induced pluripotent stem cells (hiPSCs). This manuscript describes a protocol for generating lineage specific hiPSC reporter using CRISPR/Cas system assisted homologous recombination.

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Bioengineering

Cloning and Large-Scale Production of High-Capacity Adenoviral Vectors Based on the Human Adenovirus Type 5
Eric Ehrke-Schulz 1, Wenli Zhang 1, Maren Schiwon 1, Thorsten Bergmann 1, Manish Solanki 1, Jing Liu 1, Philip Boehme 1, Theo Leitner 1, Anja Ehrhardt 1
1Institute of Virology and Microbiology, Center for Biomedical Education and Research (ZBAF), Department of Human Medicine, Faculty of Health, University Witten/Herdecke

A protocol for generation of high-capacity adenoviral vectors lacking all viral coding sequences is presented. Cloning of transgenes contained in the vector genome is based on homing endonucleases. Virus amplification in producer cells grown as adherent cells and in suspension relies on a helper virus providing viral genes in trans.

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Medicine

Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
Jing Liu 1,2, Roberto Copetti 3, Erich Sorantin 4, Jovan Lovrenski 5, Javier Rodriguez-Fanjul 6, Dalibor Kurepa 7, Xing Feng 8, Luigi Cattaross 9, Huayan Zhang 10,11, Misun Hwang 12, Tsu F. Yeh 13,14, Yisrael Lipener 7, Abhay Lodha 15, Jia-Qin Wang 16, Hai-Ying Cao 2,17, Cai-Bao Hu 2,18, Guo-Rong Lyu 19, Xin-Ru Qiu 1,2, Li-Qun Jia 20, Xiao-Man Wang 20, Xiao-Ling Ren 1,2, Jiu-Ye Guo 1,2, Yue-Qiao Gao 1,2, Jian-Jun Li 1,2, Ying Liu 1,2, Wei Fu 1,2, Yan Wang 21, Zu-Lin Lu 1,2, Hua-Wei Wang 8, Li-Li Shang 22
1Department of Neonatology and NICU, Beijing Chaoyang District Maternal and Child Healthcare Hospital, 2The Neonatal Lung Ultrasound Training Base, Chinese College of Critical Ultrasound, 3Emergency Department, Cattinara University Hospital, 4Division of Pediatric Radiology, Department of Radiology, Medical University Graz, 5Faculty of Medicine, University of Novi Sad, Radiology Department, Institute for Children and Adolescents Health Care of Vojvodina, 6Pediatric Intensive Care Unit, Pediatric Service Hospital Joan XXIII Tarragona, University Rovira i Virgil, 7Division of Neonatal-Perinatal Medicine, Cohen Children's Medical Center, 8Department of Neonatology, Children's Hospital of Soochow University, 9Department of Neonatology, Udine University Hospital, 10Center for Newborn Care, Guangzhou Women and Children's Medical Center, 11Division of Neonatology, Children's Hospital of Philadelphia, 12Department of Radiology, Children's Hospital of Philadelphia, 13Division of Neonatology and NICU, Cook County Children's Hospital, University of Illinois, 14Division of Neonatology, Department of Pediatrics, Taipei Medical University, 15Department of Pediatrics and Community Health Sciences, University of Calgary, 16Department of Pediatrics, The Third Affiliated Hospital of Xinxiang Medical University, 17Department of Ultrasound, GE Healthcare, 18Intensive Care Unit, Zhejiang Hospital, 19Collaborative Innovation Center for Maternal and Infant Health Service Application Technology, Quanzhou Medical College, 20Department of Ultrasound, Beijing Children's Hospital Affiliated with Capital Medical University, 21Department of Neonatology and NICU, Tai'an City Central Hospital of Shandong Province, 22Department of Intensive Care Unit, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine

Lung ultrasound is a noninvasive and valuable tool for bedside evaluation of neonatal lung diseases. However, a relative lack of reference standards, protocols and guidelines may limit its application. Here, we aim to develop a standardized neonatal lung ultrasound diagnostic protocol to be used in clinical decision-making.

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Cancer Research

Establishing a Competing Risk Regression Nomogram Model for Survival Data
Lunpo Wu 1,2, Chenyang Ge 3, Hongjuan Zheng 4, Haiping Lin 5, Wei Fu 6, Jianfei Fu 4
1Department of Gastroenterology, Second Affiliated Hospital of Zhejiang University School of Medicine, 2Institute of Gastroenterology, Zhejiang University, 3Department of Colorectal Surgery, Afiliated Jinhua Hospital, Zhejiang University School of Medicine, 4Department of Medical Oncology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, 5Department of Hepatobiliary Pancreatic Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, 6Division of Oncology, Johns Hopkins University School of Medicine

Presented here is a protocol to build nomograms based on the Cox proportional hazards regression model and competing risk regression model. The competing method is a more rational method to apply when competing events are present in the survival analysis.

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JoVE Core

International Expert Consensus and Recommendations for Neonatal Pneumothorax Ultrasound Diagnosis and Ultrasound-guided Thoracentesis Procedure
Jing Liu 1,2, Dalibor Kurepa 3, Francesco Feletti 4,5, Almudena Alonso-Ojembarrena 6, Jovan Lovrenski 7, Roberto Copetti 8, Erich Sorantin 9, Javier Rodriguez-Fanjul 10, Karishma Katti 3, Andrea Aliverti 4, Huayan Zhang 11,12, Misun Hwang 13, Tsu F. Yeh 14, Cai-Bao Hu 15, Xing Feng 16, Ru-Xin Qiu 1,2, Jing-Han Chi 17, Li-Li Shang 18, Guo-Rong Lyu 19, Shao-Zheng He 20, Yan-Fen Chai 21, Zhan-Jun Qiu 22, Hai-Ying Cao 2,23, Yue-Qiao Gao 1,2, Xiao-Ling Ren 1,2, Guo Guo 1,24, Li Zhang 1,2, Ying Liu 1,2, Wei Fu 1,2, Zu-Lin Lu 1,2, Hong-Lei Li 1,2
1Department of Neonatology and NICU, Beijing Chaoyang District Maternal and Child Healthcare Hospital, 2The National Neonatal Lung Ultrasound Training Base, 3Division of Neonatal-Perinatal Medicine, Cohen Children's Medical Center, 4Department of Electronics, Information and Bioengineering, Politecnico di Milano, 5Dipartimento di Diagnostica per Immagini, Ausl della Romagna, S. Maria delle Croci Hospital, 6Neonatal Intensive Care Unit, Puerta del Mar University Hospital, 7Faculty of Medicine, University of Novi Sad, Serbia, Institute for Children and Adolescents Health Care of Vojvodina, 8Emergency Department, University Hospital of Cattinara, 9Division of Pediatric Radiology, Department of Radiology, Medical University Graz, 10Pediatric Intensive Care Unit, Pediatric Service Hospital Joan XXIII Tarragona, University Rovira i Virgil, 11Center for Newborn Care, Guangzhou Women and Children's Medical Center, 12Division of Neonatology, Children's Hospital of Philadelphia, 13Section of Neonatal Imaging, Department of Radiology, Children's Hospital of Philadelphia, 14Maternal Child Health Research institute, Taipei Medical University and China Medical University, 15Intensive Care Unit, Zhejiang Hospital, 16Department of Neonatology, Children's Hospital of Soochow University, 17Department of Neonatology and NICU, Bayi Children's Hospital Affiliated to the Seventh Medical Center of Chinese PLA General Hospital, 18Intensive Care Unit, Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, 19Collaborative Innovation Center for Maternal and Infant Health Service Application Technology, Quanzhou Medical College, 20Department of Ultrasound, Second Affiliated Hospital of Fujian Medical University, 21Department of Emergency Medicine, Tianjin Medical University General Hospital, 22Department of Emergency and Critical Care Medicine, Affiliated Hospital of Traditional Chinese Medicine, 23Department of Ultrasound, GE Healthcare, 24The Neonatal Intensive Care Unit, Fifth Medical Center of Chinese PLA General Hospital

Pneumothorax is a common emergency and critical disease in newborn infants that needs rapid, clear diagnosis and timely treatment. Diagnosis and treatment based on chest X-rays are associated with delayed management and radiation damage. Lung ultrasound (US) provides useful guidance for rapid, accurate diagnosis and the precise thoracentesis of pneumothorax.

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Bioengineering

Self-Assembly of Gamma-Modified Peptide Nucleic Acids into Complex Nanostructures in Organic Solvent Mixtures
Sriram Kumar 1, Ying Liu 1, Rebecca E. Taylor 1,2,3
1Department of Mechanical Engineering, Carnegie Mellon University, 2Department of Biomedical Engineering, Carnegie Mellon University, 3Department of Electrical and Computer Engineering, Carnegie Mellon University

This article provides protocols for the design and self-assembly of nanostructures from gamma-modified peptide nucleic acid oligomers in organic solvent mixtures.

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Immunology and Infection

Contact-Free Co-Culture Model for the Study of Innate Immune Cell Activation During Respiratory Virus Infection
Zhe Zhang Ryan Lew *1, Jing Liu *1, Hsiao Hui Ong 1, Vivian Jiayi Tan 2, Annika Luukkainen 3, Yew Kwang Ong 1,4, Mark Thong 1,4, Kia Joo Puan 5, Vincent Tak Kwong Chow 2,6, Kai Sen Tan 1,2,6, De Yun Wang 1,6
1Department of Otolaryngology, Yong Loo Lin School of Medicine, National University of Singapore, 2Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 3Haartman Institute, Medicum, University of Helsinki, 4Department of Otolaryngology, Head and Neck Surgery, National University Hospital, National University Health System, 5Agency for Science, Technology and Research (A*STAR), Singapore Immunology Network (SIgN), 6NUHS Infectious Diseases Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore

This protocol details an investigation of the early interactions between virally infected nasal epithelial cells and innate cell activation. Individual subsets of immune cells can be distinguished based on their activation in response to viral infections. They can then be further investigated to determine their effects on early antiviral responses.

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Genetics

Pre-Implantation Genetic Testing for Aneuploidy on a Semiconductor Based Next-Generation Sequencing Platform
Chengming Xu *1, Riqing Wei *2, Hui Lin 1, Leiyu Deng 1, Li Wang 3, Deyang Li 4, Honghui Den 5, Wensong Qin 1, Ping Wen 1, Ying Liu 1, Yingsong Wu 2, Qiang Ma 2, Jinliang Duan 1
1Centre for Women, Children, and Reproduction, Guangxi Key Laboratory of Metabolic Diseases Research, 2Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, 3Department of Obstetrics and Gynecology, Chinese PLA General Hospital, 4Clinical Laboratory, Northern Theater Air Force Hospital, 5Guangzhou Darui Reproduction Technology Co., Ltd.

The protocol presents the overall in-lab procedures required in pre-implantation genetic testing for aneuploidy on a semiconductor-based next-generation sequencing platform. Here we present the detailed steps of whole genome amplification, DNA fragment selection, library construction, template preparation, and sequencing working flow with representative results.

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Developmental Biology

Use of Bisection to Reduce Mitochondrial DNA in the Bovine Oocyte
Laura Adams *1, Ying Liu *1, Barbara Durrant 2, Elena Ruggeri 2, Carly Young 2, Rebecca Krisher 3, Irina Polejaeva 1
1Department of Animal, Dairy, and Veterinary Sciences, Utah State University, 2Reproductive Sciences, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, 3Genus PLC

Here, we present a protocol to significantly reduce the mitochondrial DNA copy numbers in a bovine oocyte (P < 0.0001). This method utilizes centrifugation and bisection to substantially reduce oocyte mitochondria and may allow for an increased chance of development in the reconstructed interspecies somatic cell nuclear transfer embryos.

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