PPT-21 The Immune System: Innate and Adaptive:Body Defenses: Part A

Ligand In biochemistry and pharmacology a ligand is a substance that forms a complex with a biomolecule to serve a biological purpose In proteinligand binding the ligand is usually a molecule which produces a signal by binding to a site on a target protein The binding typically results in a change of conformation of the target protein. Lori Herrington. Chaparral High School. What is immunology?. Very simply, it is the study of our body’s defense against infection and disease.. Even though we are constantly bombarded by microorganisms, we rarely become sick. Why?. Chapter 22. Functions of the Immune System. Destroy pathogens (organisms that cause disease). Detect and kill abnormal cells such as cancerous cells. Remove dead cells and debris from the body. Pathogens. Chaparral High School. What is immunology?. Very simply, it is the study of our body’s defense against infection and disease.. Even though we are constantly bombarded by microorganisms, we rarely become sick. Why?. Immunology. - the study of host defense mechanisms. Immunity. -. ability of the host to protect itself against foreign organisms. Resistance to disease.. Antigen (Ag)- . is a foreign substance that can elicit specific immune response (IR) when is immunogenic. Kuby. . Immunology. , . 7e: Chapter 1. A historical perspective of immunology. What is immunity?. Immunity is the state of protection against foreign pathogens or substances (antigens). Latin term . 16. Chapter 21 . Immunity. Resistance to disease. Immune system has two intrinsic systems. Innate (nonspecific) defense system. Adaptive (specific) defense system. Immunity . Innate defense system has two lines of defense. - L etnik 3, leto 2013, številka 1 8 Immune systems in computer science Imunski sistemi v računalništvu Karin Ljubič 1, *, Iztok Fister Jr. 2 in Iztok Fister 3 1 Medical student / University Chapter 41 Key Concepts . 41.1 Animals Use Innate and Adaptive Mechanisms for Defense. 41.2 Innate Defenses Are Nonspecific. 41.3 Adaptive Defenses Are Specific. 41.4 The Humoral Adaptive Response Involves Antibodies. Immune Response. Adaptive Immune. 2. Adaptive or Acquired Immune Response. Protects against infectious agents and abnormal body cells . Amplifies the inflammatory . response. Activates complement. 3. The Immune System. The immune system is a group of cells & soluble molecules, which interact & distinguish patterns in the body as “self” or “non-self,” in order to eliminate those that are “non-self.”. Dr. . M.A.Thomas. . FUNCTIONS . OF THE IMMUNE SYSTEM. :. Recognize. , destroy and clear a diversity of pathogens. .. Initiate . tissue and wound healing processes. .. Recognize . and clear damaged self components. Principles . of Vaccination. : . Vaccination is one of the most effective medical interventions to reduce morbidity and mortality of infectious diseases. The main principle of vaccination is the proactive induction of a protective immune response by mimicking the natural interaction of an infectious pathogen (bacteria, viruses, etc.) with the human immune system (Fig 1). catherine. . hartnett. The Immune System. Concept 43.1- In innate immunity, recognition and response rely on shared traits of pathogens. Introductory Video. http://www.cleanvideosearch.com/media/action/yt/watch?v=Nw27_jMWw10. Organs and . cells. Peter Kelleher. Senior Lecturer, Imperial . College London, . Chelsea & Westminster . campus. Learning objectives . Illustrate the importance of immunology for human health..  .