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Use of Cell Culture in Virology for Developing Countries in the South-East Asia Region © World Health Organization 2017 USE OF CELL C USE OF CELL U LT U RE IN VIROLOGY FOR DE RE IN VIROLOGY V ELOPING C O U NTRIES IN THE NTRIES IN S O U TH- E AST USE OF CELL CULTURE A SIA IN VIROLOGY FOR R EGION ISBN: 978-92-9022-600-0 DEVELOPING COUNTRIES IN THE SOUTH-EAST ASIA REGION World Health House Indraprastha Estate, Mahatma Gandhi Marg, New Delhi-110002, India Website: www.searo.who.int USE OF CELL CULTURE IN VIROLOGY FOR DEVELOPING COUNTRIES IN THE SOUTH-EAST ASIA REGION © World Health Organization 2017 Some rights reserved. This work is available under the Creative Commons Attribution-NonCommercial- ShareAlike 3.0 IGO licence (CC BY-NC-SA 3.0 IGO; https://creativecommons.org/licenses/by-nc-sa/3.0/igo). Under the terms of this licence, you may copy, redistribute and adapt the work for non-commercial purposes, provided the work is appropriately cited, as indicated below. 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The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of WHO concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted and dashed lines on maps represent approximate border lines for which there may not yet be full agreement. The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by WHO in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters. All reasonable precautions have been taken by WHO to verify the information contained in this publication. However, the published material is being distributed without warranty of any kind, either expressed or implied. The responsibility for the interpretation and use of the material lies with the reader. In no event shall WHO be liable for damages arising from its use. FOREWORD adequate capacity to combat such public health emergencies of international concern thus obviating mortality, morbidity and economic losses. One such capacity indicator is reliable diagnosis of viral infections. A few years back WHO had published simple guidelines on how to establish a virology laboratory in developing countries. There have been many technological Viral diseases have assumed great advances since then. Newer genetic- importance in the recent past for based methods have become available. individual, community and global health. However, isolation of viruses and their During the past four decades, around 40 characterization continues to remain as the new pathogens have been discovered, half gold standard in virology. of which are viruses. Some of these viruses have brought about a paradigm shift in Recognizing the need for a comprehensive medical sciences and public health. These document on cell culture-based isolation include the human immunodeficiency techniques along with strengthening virus, hepatitis C virus, and a few more. quality system and the need for and care of equipment and biosafety, this document Few of these viruses have triggered alarm has been developed by a group of bells globally through epidemics and renowned regional virologists. pandemics. During the current millennium Severe acute respiratory syndrome (SARS), I am sure that this document will be of influenza H5N1, influenza H1N1, Middle immense use to our Member States in East Respiratory Syndrome (MERS) establishing virological diagnostic services Coronavirus, Ebola and Zika Virus have in consonance with the International disrupted life in several parts of the Health Regulations (2005), thus world with conspicuous implications on contributing to global health security. human health, animal health and the global economy due to travel and trade restrictions. The International Health Regulations Dr Poonam Khetrapal Singh (2005) call for all countries to build Regional Director USE OF CELL CULTURE IN VIROLOGY FOR DEVELOPING COUNTRIES IN THE SOUTH-EAST ASIA REGION 3 CONTENTS Foreword ......................................................................................................... 3 Abbreviations ................................................................................................ 10 1. Introduction to cell culture ..................................................................... 13 1.1 Scope ............................................................................................................. 16 1.2 Guideline development process ....................................................................... 16 1.3 Guidelines development team ......................................................................... 16 2. Principles of cell culture .......................................................................... 17 2.1 Definitions ...................................................................................................... 19 2.2 Types of cell culture ......................................................................................... 19 2.2.1 Primary explantation ............................................................................. 19 2.2.2 Organotypic culture .............................................................................. 20 2.2.3 Continuous cell culture ......................................................................... 20 2.2.4 Adherent and suspension culture .......................................................... 20 2.3 Essential components of cell culture ................................................................ 21 2.3.1 Substrates and matrices ........................................................................ 21 2.3.2 Media .................................................................................................. 21 2.3.3 Animal sera .......................................................................................... 21 2.3.4 Antibiotics and antimycotics ................................................................. 21 2.4 Equipment ...................................................................................................... 22 2.4.1 Cell culture hood .................................................................................. 22 2.4.2 Culture vessels ...................................................................................... 22 2.4.3 Flasks ................................................................................................... 22 2.4.4 Cell culture dishes ................................................................................. 23 2.4.5 Multiwell plates .................................................................................... 23 2.4.6 Other equipment .................................................................................. 23 2.5 Subculture ...................................................................................................... 23 2.6 Cryopreservation ............................................................................................. 23 2.7 Contamination ................................................................................................ 24 2.7.1 Microbial contamination....................................................................... 24 2.7.2 Cellular cross-contamination ................................................................. 24 2.8 Three-dimensional cell culture ......................................................................... 25 3. Designing a cell culture laboratory and the requirements .................. 27 3.1 Introduction .................................................................................................... 29 3.2 Layout of a cell culture laboratory .................................................................... 29 3.3 Equipment for a cell culture laboratory
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