'T cell receptors' presentation slideshows

Chapter 43

Chapter 43. The Immune System. Overview: Reconnaissance, Recognition, and Response An animal must defend itself From the many dangerous pathogens it may encounter in the environment Two major kinds of defense have evolved that counter these threats Innate immunity and acquired immunity.

955 views • 81 slides

Immune Diversity

Immune Diversity. Chapter 23. 23.1 Introduction. Figure 23.1. 23.2 Clonal Selection Amplifies Lymphocytes That Respond to Individual Antigens. Each B lymphocyte expresses a single immunoglobulin Each T lymphocyte expresses a single T cell receptor.

505 views • 39 slides

Dr. Kathy McCoy kmccoy@vcu.edu

Dr. Kathy McCoy kmccoy@vcu.edu. Antigen receptors. Isotypes. Precursor T cells acquire TCR expression in the thymus. T cells do not change their TCR - No isotype switching. T Cell Receptors. Associate with other molecules: CD3 complex for both isotypes CD4 or CD8 for ??? TCR

484 views • 28 slides

Adaptive Immunity

Adaptive Immunity. Adaptive immunity develops as the need arises. Two types: - Humoral immunity - Mediated by B cells (B lymphocytes) - Produce antibodies that directly target antigens of invaders - Cell-mediated immunity - Involve T cells (T lymphocytes)

405 views • 20 slides

The Lymphatic System

266 views • 15 slides