Peripheral tolerance
... receptors when they encounter antigens in the bone marrow (“receptor editing”) ...
... receptors when they encounter antigens in the bone marrow (“receptor editing”) ...
NVCC Bio 212
... • Body defenses are of two types – Innate or non-specific • Species resistance, mechanical barriers, chemical barriers, fever, NK cells, inflammation, ...
... • Body defenses are of two types – Innate or non-specific • Species resistance, mechanical barriers, chemical barriers, fever, NK cells, inflammation, ...
Fermentative Production of Natural and Unnatural Flavonoids by
... including non-tuberculous mycobacteria (NTM). One NTM species, Mycobacterium abscessus (formerly Mycobacterium chelonae subsp. abscessus), is a rapidly growing mycobacterium that causes a wide spectrum of human diseases, including chronic lung diseases, and disseminated infections in patients under ...
... including non-tuberculous mycobacteria (NTM). One NTM species, Mycobacterium abscessus (formerly Mycobacterium chelonae subsp. abscessus), is a rapidly growing mycobacterium that causes a wide spectrum of human diseases, including chronic lung diseases, and disseminated infections in patients under ...
11th B Hypersensitivity reactions
... Antibody-mediated hypersensitivity (Type II) Antibodies directed against cell or tissue antigens, damage or impair their function Often IgG or IgM autoantibodies are involved (failure of self tolerance) Some cases involve antibodies produced against a foreign antigen. For example: poststrepto ...
... Antibody-mediated hypersensitivity (Type II) Antibodies directed against cell or tissue antigens, damage or impair their function Often IgG or IgM autoantibodies are involved (failure of self tolerance) Some cases involve antibodies produced against a foreign antigen. For example: poststrepto ...
The Lymphatic System Immunity
... T cells recognize and respond only to processed antigen presented by an APC (antigen presenting cell) Binding of T cell to macrophage causes secretion of interleukin-I which helps activate T helper cells (also called CD4 or T4 cells) TH cells secrete IL-2 which enhances B cell activity and costimula ...
... T cells recognize and respond only to processed antigen presented by an APC (antigen presenting cell) Binding of T cell to macrophage causes secretion of interleukin-I which helps activate T helper cells (also called CD4 or T4 cells) TH cells secrete IL-2 which enhances B cell activity and costimula ...
Autoimmunity
... mimicry. For example, infections by the Epstein-Barr virus (EBV) have been associated with multiple sclerosis (MS). A. Many people are subject to infections by EBV but a relatively small percentage of these develop an autoimmune disease. Why? B. Mis-recognition of antigens more commonly involves the ...
... mimicry. For example, infections by the Epstein-Barr virus (EBV) have been associated with multiple sclerosis (MS). A. Many people are subject to infections by EBV but a relatively small percentage of these develop an autoimmune disease. Why? B. Mis-recognition of antigens more commonly involves the ...
Definition of Immunologic Terms
... o Antigen: a foreign substance, usually a protein or carbohydrate, that can be recognized by the immune system o Apoptosis: normal process of cell self-destruction, also called programmed cell death. o Antigen presenting cell (APC): A cell that presents antigen in a form that T cells can recognize i ...
... o Antigen: a foreign substance, usually a protein or carbohydrate, that can be recognized by the immune system o Apoptosis: normal process of cell self-destruction, also called programmed cell death. o Antigen presenting cell (APC): A cell that presents antigen in a form that T cells can recognize i ...
Chapter 43 The Body`s Defenses
... III. Immune Responses • A. ________ immunity involves B cell activation and results from the production of antibodies in the blood.(respond to free bacteria, viruses and toxins in the blood) • B. ______ ________ immunity depends on the action of T cells.(respond to bacteria and viruses within infec ...
... III. Immune Responses • A. ________ immunity involves B cell activation and results from the production of antibodies in the blood.(respond to free bacteria, viruses and toxins in the blood) • B. ______ ________ immunity depends on the action of T cells.(respond to bacteria and viruses within infec ...
The Lymphatic and System and the Immune System
... system overreacts to the presence of an antigen such as pollen. 2. An autoimmune disease is one in which the immune system attacks its own body cells. Ex. M.S. and Arthritis 3. Rejection of organ transplants (cells are foreign). 4. Cancer cells are naturally destroyed by the body; however, when the ...
... system overreacts to the presence of an antigen such as pollen. 2. An autoimmune disease is one in which the immune system attacks its own body cells. Ex. M.S. and Arthritis 3. Rejection of organ transplants (cells are foreign). 4. Cancer cells are naturally destroyed by the body; however, when the ...
Immune Responses
... (a) promote adherence 2) phagocyte mobilization 3) tissue repair G) Fever 1) caused by pyrogens a) any chemical that causes an increase in body temperature b) most often released from WBC, as well as some bacteria 2) promote sequestration of iron & zinc 3) may aid interferon, inhibit microbe growth, ...
... (a) promote adherence 2) phagocyte mobilization 3) tissue repair G) Fever 1) caused by pyrogens a) any chemical that causes an increase in body temperature b) most often released from WBC, as well as some bacteria 2) promote sequestration of iron & zinc 3) may aid interferon, inhibit microbe growth, ...
Slide 1
... function – Inoculate with phytohaemagglutinin (PHA) – Acts as a T-cell mitogen; causes proliferation of T-cell populations – Amount of swelling “=“ strength of immune response ...
... function – Inoculate with phytohaemagglutinin (PHA) – Acts as a T-cell mitogen; causes proliferation of T-cell populations – Amount of swelling “=“ strength of immune response ...
Role of Advanced Clinical Immuno-nutrition in Hospitalized Patients
... • End stage kidney diseases • Elderly people who have decreased kidney function ...
... • End stage kidney diseases • Elderly people who have decreased kidney function ...
04 Integrated LYMPHOID TISSUE
... 4- Epithelial reticular cells. N.B. Medulla of adjacent thymic lobules are ...
... 4- Epithelial reticular cells. N.B. Medulla of adjacent thymic lobules are ...
Chapter 13 – Lessonn 2 – The Immune System
... surface that you touch. There is nothing to be afraid of because your body protects you most of the time. Your body has 5 major barriers to block pathogens. ...
... surface that you touch. There is nothing to be afraid of because your body protects you most of the time. Your body has 5 major barriers to block pathogens. ...
White blood cells and their disorders
... • Aid B cells in antibody generation and also responsible for cellular or cell mediated immunity ...
... • Aid B cells in antibody generation and also responsible for cellular or cell mediated immunity ...
Henrico Doctors` Hospital Referral Guide for Kidney Transplantation
... Guidelines.” Developed by the Patient Care and Education Committee of the American Social of Transplant Professionals (ASTP), 1995; 2001 ...
... Guidelines.” Developed by the Patient Care and Education Committee of the American Social of Transplant Professionals (ASTP), 1995; 2001 ...