CfE Higher Human Biology Unit 4 – Immunology and Public Health
... I can state that some T- and B-lymphocytes produced in response to antigens by clonal selection survive long-term as memory cells. A secondary exposure to the same antigen rapidly gives rise to a new clone of lymphocytes producing a rapid and greater immunological response I can describe the transmi ...
... I can state that some T- and B-lymphocytes produced in response to antigens by clonal selection survive long-term as memory cells. A secondary exposure to the same antigen rapidly gives rise to a new clone of lymphocytes producing a rapid and greater immunological response I can describe the transmi ...
Immunity_Hypersensitivity_Allergy_and_Autoimmune_Diseases
... • Closely related to the HLA complex on chromosome 6 • Control the immune response by regulating T and B cell proliferation • Influence resistance to infection and tumors • Influence likelihood of acquiring an autoimmune disease ...
... • Closely related to the HLA complex on chromosome 6 • Control the immune response by regulating T and B cell proliferation • Influence resistance to infection and tumors • Influence likelihood of acquiring an autoimmune disease ...
Слайд 1 - sechenov.ru
... - present on the surface of cells or other tissue components - may be intrinsic to the cell membrane, or may take the form of an exogenous antigen • Features of reaction: - results from the binding of antibodies to (IgG or IgM) to normal or altered cell-surface antigens ...
... - present on the surface of cells or other tissue components - may be intrinsic to the cell membrane, or may take the form of an exogenous antigen • Features of reaction: - results from the binding of antibodies to (IgG or IgM) to normal or altered cell-surface antigens ...
What is the role of class II MHC proteins on donor cells in graft
... -743. Toll-like receptors (TLR4) can recognize and be activated by A. peptides of 8 amino acids B. peptides of 14 amino acids C. only peptides from bacteria D. bacterial lipopolysaccharides (LPS) 44. Excess T cells following an immune response are eliminated by A. phagoctosis by macrophages and neu ...
... -743. Toll-like receptors (TLR4) can recognize and be activated by A. peptides of 8 amino acids B. peptides of 14 amino acids C. only peptides from bacteria D. bacterial lipopolysaccharides (LPS) 44. Excess T cells following an immune response are eliminated by A. phagoctosis by macrophages and neu ...
The immune system - Los Angeles Mission College
... the bacteria has certain proteins being similar to those on the cardiac muscle cells. ...
... the bacteria has certain proteins being similar to those on the cardiac muscle cells. ...
Presentation
... • detection of pathogen-derived molecules (e.g. LPS, dsRNA, bacterial DNA) or stressed cells (necrotic cells, TNF, IL-1) causes the DCs to mature – decrease adhesion to local tissue cells (e.g. keratinocytes) – increase expression of receptors (CCR7) for chemokines made by lymphatic endothelial cell ...
... • detection of pathogen-derived molecules (e.g. LPS, dsRNA, bacterial DNA) or stressed cells (necrotic cells, TNF, IL-1) causes the DCs to mature – decrease adhesion to local tissue cells (e.g. keratinocytes) – increase expression of receptors (CCR7) for chemokines made by lymphatic endothelial cell ...
Foundations in Microbiology
... • Lymphocyte specificity is preprogrammed, existing in the genetic makeup before an antigen has ever been seen • Each genetically different type of lymphocyte expresses a single specificity • First introduction of each type of antigen into the immune system selects a genetically distinct lymphocyte ...
... • Lymphocyte specificity is preprogrammed, existing in the genetic makeup before an antigen has ever been seen • Each genetically different type of lymphocyte expresses a single specificity • First introduction of each type of antigen into the immune system selects a genetically distinct lymphocyte ...
Blood Types and the Rh Factor Chitraroff MMHS
... 1. traits are made of two alleles (one from each parent) 2. Upon fertilization the two alleles join to determine blood type 3. Alleles can be dominant or recessive. a. A dominant allele is always shown “expressed” no matter what allele it is paired with b. A recessive allele is only expressed when i ...
... 1. traits are made of two alleles (one from each parent) 2. Upon fertilization the two alleles join to determine blood type 3. Alleles can be dominant or recessive. a. A dominant allele is always shown “expressed” no matter what allele it is paired with b. A recessive allele is only expressed when i ...
Immunity - Seattle Central College
... parts of bacterial cells or antibodies • Leads to chain rxn activation of neighboring ...
... parts of bacterial cells or antibodies • Leads to chain rxn activation of neighboring ...
Adaptive immune response
... Toxoids - inactivated toxic compounds from micro-organisms in cases where these toxins (rather than the micro-organism itself) cause illness. Subunit - A fragment of a microorganism can create an immune response. Example is the subunit vaccine against HBV that is composed of only the surface pro ...
... Toxoids - inactivated toxic compounds from micro-organisms in cases where these toxins (rather than the micro-organism itself) cause illness. Subunit - A fragment of a microorganism can create an immune response. Example is the subunit vaccine against HBV that is composed of only the surface pro ...
Lec. 2 Antigens, Immunogens, Epitopes, and Haptens
... The term is associated with those molecules recognized by the diverse receptors found on T and B lymphocytes. Immunogen: is a substance or antigen that evokes a specific, positive immune response. ...
... The term is associated with those molecules recognized by the diverse receptors found on T and B lymphocytes. Immunogen: is a substance or antigen that evokes a specific, positive immune response. ...
Nucleus
... which are highly mobile and exhibit? Pseudopodia their name in different connective tissues are: 1- in C. T Histocytes 2- in liver Cupffer cells 3- in lung Alveolar macrophages macrophayse in spleen, lymphrod and bone marrow At the site of inflammation monocyte leave the circulation C.T and now ca ...
... which are highly mobile and exhibit? Pseudopodia their name in different connective tissues are: 1- in C. T Histocytes 2- in liver Cupffer cells 3- in lung Alveolar macrophages macrophayse in spleen, lymphrod and bone marrow At the site of inflammation monocyte leave the circulation C.T and now ca ...
Cell Quiz Review
... What type of assay is described? 39) A serological test that uses red blood cells coated with exogenous antigens such as bacterial polysaccharides as a method to detect patient antibodies against that exogenous antigen is called: 40) The process by which particulate antigens such as cells aggregate ...
... What type of assay is described? 39) A serological test that uses red blood cells coated with exogenous antigens such as bacterial polysaccharides as a method to detect patient antibodies against that exogenous antigen is called: 40) The process by which particulate antigens such as cells aggregate ...
The Immune System The immune system allows the body to defend
... of antibody action is agglutinating and precipitating of the antigen. Because antibodies have sites for binding antigens, the antigen-antibody reaction can cross link pathogens to each other. This causes agglutination (clumping together) of the pathogens. The macrophages then can phagocytize the agg ...
... of antibody action is agglutinating and precipitating of the antigen. Because antibodies have sites for binding antigens, the antigen-antibody reaction can cross link pathogens to each other. This causes agglutination (clumping together) of the pathogens. The macrophages then can phagocytize the agg ...
1. Hypersensitivity What is Hypersensitivity? Chapter 18: Disorders of the Immune System
... Blood type “O” individuals (tolerate type O blood only) • do not produce type A or type B antigens • produce antibodies to type A and B antigens and thus will lyse type A, B or AB RBCs via complement ...
... Blood type “O” individuals (tolerate type O blood only) • do not produce type A or type B antigens • produce antibodies to type A and B antigens and thus will lyse type A, B or AB RBCs via complement ...
Microbiology – Chapter 15
... have two antigen binding sites b. Constant region, on the molecule’s stem, this c region is called constant, it can be different (actually have 5 different c region types – giving 5 different types of antibodies) c. IgG- most prevalent ab, found in blood and it is called monomer for its simple shape ...
... have two antigen binding sites b. Constant region, on the molecule’s stem, this c region is called constant, it can be different (actually have 5 different c region types – giving 5 different types of antibodies) c. IgG- most prevalent ab, found in blood and it is called monomer for its simple shape ...
09Immunological Tolerance
... lead to a suppression of immune functions, for example, reducing the ability to recover from infection. There is considerable evidence demonstrating that the nervous, endocrine and immune systems are interconnected. Broadly, there are two main routes. a. Most lymphoid tissues receive direct sympathe ...
... lead to a suppression of immune functions, for example, reducing the ability to recover from infection. There is considerable evidence demonstrating that the nervous, endocrine and immune systems are interconnected. Broadly, there are two main routes. a. Most lymphoid tissues receive direct sympathe ...
Antigen recognition by T lymphocytes Chapter 3
... stages in development of B cells and T cells, including: – The general characteristics (surface markers, etc) of lymphocytes at each stage – Other types of cells or cytokines that are required at each stage – What happens to cells which fail to complete a stage of development • Predict how specific ...
... stages in development of B cells and T cells, including: – The general characteristics (surface markers, etc) of lymphocytes at each stage – Other types of cells or cytokines that are required at each stage – What happens to cells which fail to complete a stage of development • Predict how specific ...
DCE
... Rh is the most complex system, with over 45 antigens The complexity of the Rh blood group Ags is due to the highly polymorphic genes that encode them. Discovered in 1940 after work on Rhesus monkeys The 2nd most important after ABO in the crossmatch test Only the most clinically significant Ags will ...
... Rh is the most complex system, with over 45 antigens The complexity of the Rh blood group Ags is due to the highly polymorphic genes that encode them. Discovered in 1940 after work on Rhesus monkeys The 2nd most important after ABO in the crossmatch test Only the most clinically significant Ags will ...
diagnosis of hiv infection the laboratory
... Almost obscure today- replaced by the RNA based molecular diagnostic tests. Both false negative results and false positive results seen. Average sensitivity of the assays- 1030pg/ml. Heat or glycine mediated dissociation of the immune complexes- more sensitive. ...
... Almost obscure today- replaced by the RNA based molecular diagnostic tests. Both false negative results and false positive results seen. Average sensitivity of the assays- 1030pg/ml. Heat or glycine mediated dissociation of the immune complexes- more sensitive. ...
Specific Cellular Defences - Smithycroft Secondary School
... I can state that one group of T-lymphocytes destroy infected cells by inducing apoptosis. Another group of T-lymphocytes secrete cytokines that activate B lymphocytes and phagocytes. When pathogens infect tissue, some phagocytes capture the pathogen and display fragments of its antigens on their sur ...
... I can state that one group of T-lymphocytes destroy infected cells by inducing apoptosis. Another group of T-lymphocytes secrete cytokines that activate B lymphocytes and phagocytes. When pathogens infect tissue, some phagocytes capture the pathogen and display fragments of its antigens on their sur ...
Immune System
... • Allergy-hypersensitive immune repsonse – stimulates release of histamine b/c of antigenantibody interaction (immediate response) – T cell response initiated (delayed response) ...
... • Allergy-hypersensitive immune repsonse – stimulates release of histamine b/c of antigenantibody interaction (immediate response) – T cell response initiated (delayed response) ...
Lecture 5: Antigen Recognition by B Cell Receptors
... Lecture 5: Antigen Recognition by B Cell Receptors (based on Lecture by Dr. Matthew Scharff, Einstein) ...
... Lecture 5: Antigen Recognition by B Cell Receptors (based on Lecture by Dr. Matthew Scharff, Einstein) ...
PowerPoint Presentation to accompany Life: The Science of
... Interleukin-1 (a cytokine) activates a TH cell. ...
... Interleukin-1 (a cytokine) activates a TH cell. ...