How the Immune System Works
Description
How the Immune System Works provides a concise and accessible overview of how the immune system protects us from disease. Written in a lively and engaging style, this unique book makes it easy to see the big picture of the immune system-without any confusing jargon or complex technical details.
Now in its seventh edition, this popular book features an entirely new chapter that describes the role of the immune system in fighting COVID-19, as well as up-to-date information on vaccines, immunotherapies, immunological memory, cancer, and more. This new edition includes a wide range of effective learning features, such as enhanced artwork, 'heads up!' boxes that outline each chapter, and an expanding summary figure at the end of each chapter that illustrates the interaction of different parts of the immune system.
How the Immune System Works, Seventh Edition is a must-have for all medical students, bioscience students, veterinary students, nursing students, researchers looking for a quick refresher, and general readers with interest in the subject.
Reviews of the previous edition:
'The voice of the author is one of a true teacher whose enthusiasm for the subject is contagious. There are far too many dry 'academic', or 'scientific' textbooks around and this book felt very fresh in comparison.'
-Medical Student, University of Texas, South Western Medical Center at Dallas
'This is the book that every student (regardless of level) should read as he or she begins to study immunology.'
-Daniel G. Tenen, M.D. Professor of Medicine, Harvard Medical School
Lauren Sompayrac, PhD, was a Research Professor in the Department of Molecular, Cellular, and Developmental Biology at the University of Colorado, USA. He is a graduate of the Massachusetts Institute of Technology and was a Postdoctoral Fellow in the Department of Pathology at the Harvard Medical School. Now retired, Dr. Sompayrac is the author of How the Immune System Works, How Pathogenic Viruses Work, How Cancer Works, and How Pathogenic Viruses Think.
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Lauren Sompayrac, PhD, was a Research Professor in the Department of Molecular, Cellular, and Developmental Biology at the University of Colorado, USA. He is a graduate of the Massachusetts Institute of Technology and was a Postdoctoral Fellow in the Department of Pathology at the Harvard Medical School. Now retired, Dr. Sompayrac is the author of How the Immune System Works, How Pathogenic Viruses Work, How Cancer Works, and How Pathogenic Viruses Think.
Content
Acknowledgments viii
How to Use This Book ix
This book is neither a comprehensive text nor an exam-review tool. It is an overview of the immune system, designed to give anyone who is learning immunology a feel for how the system fits together.
About the Companion Website x
Lecture 1 An Overview 1
The immune system is a "team effort," involving many different players who work together to provide a powerful defense against invaders. Focusing on one player at a time makes it hard to understand the game. Here we view the action from the grandstand to get a wide-angle picture of what the immune system is all about.
Lecture 2 The Innate Immune System 12
The innate immune system is a "hard-wired" defense that has evolved over millions of years to recognize pathogens that commonly infect humans. It provides a rapid and powerful response against "everyday" invaders.
Lecture 3 B Cells and Antibodies 26
B cells and the antibodies they produce are part of the adaptive immune system - a system that protects us against pathogens both common and rare.
Lecture 4 The Magic of Antigen Presentation 40
T cells, another weapon of the adaptive immune system, only recognize invaders that are properly presented by specialized antigen presenting cells. This feature keeps T cells focused on the types of attackers they can defend against.
Lecture 5 T Cell Activation 52
Before they can spring into action, T cells must be activated. This requirement helps insure that only useful weapons will be mobilized.
Lecture 6 T Cells at Work 60
Once they have been activated, helper T cells orchestrate the immune response, and killer T cells destroy infected cells.
Lecture 7 Secondary Lymphoid Organs and Lymphocyte Trafficking 69
B and T lymphocytes travel through secondary lymphoid organs looking for the intruders they can defend against. Once activated in the secondary lymphoid organs, B and T cells are dispatched to the particular areas of the body where they can be most useful.
Lecture 8 Restraining the Immune System 82
The powerful weapons of the immune system must be restrained lest they become overly exuberant. In addition, once an invader has been defeated, the immune system must be "reset" to prepare for future attacks.
Lecture 9 Self Tolerance and MHC Restriction 86
T cells must be "tested" to be sure they focus on appropriately presented antigens, and B and T lymphocytes must be screened to eliminate those which might attack our own bodies.
Lecture 10 Immunological Memory 97
The innate immune system remembers pathogens which have been attacking humans for millions of years. In contrast, B and T cells remember pathogens we have encountered during our lifetime. Memory B and T lymphocytes respond more quickly and effectively to a subsequent attack by the same invader.
Lecture 11 The Intestinal Immune System 103
The human intestines are home to trillions of bacteria, viruses, fungi, and parasites. How the immune system deals with these potentially dangerous intestinal residents, which frequently invade the tissues surrounding the intestines, is a hot topic in immunology.
Lecture 12 The Immune System Gone Wrong 110
The immune system usually does a good job of defending us. Sometimes, however, mistakes are made. Two examples of the "immune system gone wrong" are allergies and autoimmunity.
Lecture 13 Immunodeficiency 119
Serious disease may result when our immune system does not operate at full strength. Humans who are infected with HIV-1 have profoundly impaired immune systems.
Lecture 14 Vaccines 125
Vaccines safely mimic a microbial attack so that our immune system will be primed and ready for a future challenge by the same pathogen.
Lecture 15 Cancer and the Immune System 132
The human immune system is not very good at defending us against cancer. Indeed, there is a built-in conflict between the need to minimize the chance that its weapons will attack our own bodies and the need to destroy cancer cells.
Lecture 16 Immunotherapy 139
Physicians are "borrowing" some of the weapons of the immune system and using them to treat disease.
Lecture 17 COVID-19 and the Immune System 146
The COVID-19 pandemic has given immunologists a "laboratory" to study the immune response to respiratory viral infections. The COVID-19 vaccine program has resulted in major advances in vaccine design, including the mRNA vaccine platform.
Glossary 154
Here are definitions of some of the terms that immunologists use - but which "normal" people wouldn't.
Acronyms and Abbreviations 158
Immunologists are big on acronyms and abbreviations, but they can drive you crazy. So I've made a list to which you can refer.
Index 159
