H 2 O 2
... 1) Toxic doses of drugs or chemicals injure hepatocytes. Injured hepatocytes release factors that attract Kupffer cells to specific regions of the liver. 2) Additional mononuclear phagocytes are also recruited from blood and bone marrow precursors. 3) Once localised in the liver, the macrophages bec ...
... 1) Toxic doses of drugs or chemicals injure hepatocytes. Injured hepatocytes release factors that attract Kupffer cells to specific regions of the liver. 2) Additional mononuclear phagocytes are also recruited from blood and bone marrow precursors. 3) Once localised in the liver, the macrophages bec ...
N - C-CAMP
... first radiation dose can substantially affect the efficacy of a successive dose. • The extent of cell resensitisation appears to be related in a complex way to the parameters characterizing the vasculature as well as to the intrinsic radiosensitivity of cells. • A more complex model would be needed ...
... first radiation dose can substantially affect the efficacy of a successive dose. • The extent of cell resensitisation appears to be related in a complex way to the parameters characterizing the vasculature as well as to the intrinsic radiosensitivity of cells. • A more complex model would be needed ...
Supplementary Data (doc 82K)
... postvaccine (post-V) or post-SCT serum samples from the indicated time points in the donors (A, B, E) and recipients (C, D, F) were tested in parallel for KLH (A-D) and Id- (E, F) specific antibody responses by ELISA as described in the Materials and Methods. Post-SCT samples at 4 mo, 6 mo, 7 mo and ...
... postvaccine (post-V) or post-SCT serum samples from the indicated time points in the donors (A, B, E) and recipients (C, D, F) were tested in parallel for KLH (A-D) and Id- (E, F) specific antibody responses by ELISA as described in the Materials and Methods. Post-SCT samples at 4 mo, 6 mo, 7 mo and ...
Host Defense Mechanisms (non-specific) Host Defenses Host
... Phagocytosis is the ingestion of microorganisms or other matter by a cell. Many white blood cells engulf invasive microorganisms by the process of phagocytosis. The steps in phagocytosis are: – 1. Chemotaxis is the process by which phagocytes are attracted to microorganisms. – 2. Attachment: The pha ...
... Phagocytosis is the ingestion of microorganisms or other matter by a cell. Many white blood cells engulf invasive microorganisms by the process of phagocytosis. The steps in phagocytosis are: – 1. Chemotaxis is the process by which phagocytes are attracted to microorganisms. – 2. Attachment: The pha ...
Defense Mechanisms
... Phagocytosis is the ingestion of microorganisms or other matter by a cell. Many white blood cells engulf invasive microorganisms by the process of phagocytosis. The steps in phagocytosis are: – 1. Chemotaxis is the process by which phagocytes are attracted to microorganisms. – 2. Attachment: The ph ...
... Phagocytosis is the ingestion of microorganisms or other matter by a cell. Many white blood cells engulf invasive microorganisms by the process of phagocytosis. The steps in phagocytosis are: – 1. Chemotaxis is the process by which phagocytes are attracted to microorganisms. – 2. Attachment: The ph ...
Peripheral tolerance in T cells
... CD4+cells (most are CD25+, some are CD25-) , develop in the thymus ...
... CD4+cells (most are CD25+, some are CD25-) , develop in the thymus ...
Immune System
... born with missing or inactive B cells and T cells This person has no immune system. Thus, they could be killed by a cold virus ...
... born with missing or inactive B cells and T cells This person has no immune system. Thus, they could be killed by a cold virus ...
Innate Immunity
... ● Mechanical (tight junctions, movement) ● Chemical (fatty acids, enzymes, pH, antimicrobial peptides) ● Microbiological (normal flora) ...
... ● Mechanical (tight junctions, movement) ● Chemical (fatty acids, enzymes, pH, antimicrobial peptides) ● Microbiological (normal flora) ...
Type II hypersensitivity target tissues
... Department of Medical Laboratory Science and Biotechnology College of Medicine National Cheng Kung University ...
... Department of Medical Laboratory Science and Biotechnology College of Medicine National Cheng Kung University ...
Defensive Breakdown Dr. Ebtihal Chiad Abass Ph.D. Immunology
... Chronic granulomatous disease (CGD) X-linked , defective bacterial killing by phagocytic cell , in which certain cells of the immune system have difficulty forming the reactive oxygen compounds (most importantly, the superoxide radical ) these lead to persistent infections of skin, respiratory and ...
... Chronic granulomatous disease (CGD) X-linked , defective bacterial killing by phagocytic cell , in which certain cells of the immune system have difficulty forming the reactive oxygen compounds (most importantly, the superoxide radical ) these lead to persistent infections of skin, respiratory and ...
Defenses Against Disease
... production of antibodies targeted against X. The antibody forming cells are isolated from the mouse's spleen. Monoclonal antibodies are produced by fusing single antibodyforming cells to tumor cells grown in culture. The resulting cell is called a hybridoma. Each hybridoma produces relatively large ...
... production of antibodies targeted against X. The antibody forming cells are isolated from the mouse's spleen. Monoclonal antibodies are produced by fusing single antibodyforming cells to tumor cells grown in culture. The resulting cell is called a hybridoma. Each hybridoma produces relatively large ...
2-Infectious diseases
... Chlamydia cannot synthesize ATP. Chlamydia trachomatis cause female sterility (by scarring and narrowing of the fallopian tubes) and blindness (by chronic inflammation of the conjunctiva . Chlamydia and Rickettsiae are obligate intracellular organisms. Rickettsiae causes a hemorrhagic vasculitis by ...
... Chlamydia cannot synthesize ATP. Chlamydia trachomatis cause female sterility (by scarring and narrowing of the fallopian tubes) and blindness (by chronic inflammation of the conjunctiva . Chlamydia and Rickettsiae are obligate intracellular organisms. Rickettsiae causes a hemorrhagic vasculitis by ...
LYMPHATICSYSTEMANDIMMUNITY
... LYMPH NODULES • CONTAIN B LYMPHOCYTES AND MACROPHAGES TO FIGHT INVADING PATHOGENS WHY IN LYMPH NODES? • SOME LYMPH NODULES ARE ASSOCIATED WITH OTHER SYSTEMS: – TONSILS – PEYER’S PATCHES: M CELLS (MICROFOLD) PICK UP ATIGENS FROM LUMEN OF SMALL INTESTINE AND BY TANSCYTOSIS 9VESSICLE MEDIATED) TRANSFE ...
... LYMPH NODULES • CONTAIN B LYMPHOCYTES AND MACROPHAGES TO FIGHT INVADING PATHOGENS WHY IN LYMPH NODES? • SOME LYMPH NODULES ARE ASSOCIATED WITH OTHER SYSTEMS: – TONSILS – PEYER’S PATCHES: M CELLS (MICROFOLD) PICK UP ATIGENS FROM LUMEN OF SMALL INTESTINE AND BY TANSCYTOSIS 9VESSICLE MEDIATED) TRANSFE ...
1. Hypersensitivity What is Hypersensitivity? Chapter 18: Disorders of the Immune System
... • peptide antigens from certain viral and bacterial pathogens are very similar to specific self peptides • once an immune response is generated to pathogen, these T and B cells continue to respond to tissues expressing the similar self peptide ...
... • peptide antigens from certain viral and bacterial pathogens are very similar to specific self peptides • once an immune response is generated to pathogen, these T and B cells continue to respond to tissues expressing the similar self peptide ...
File
... LYMPHOCYTES • LYMPHOCYTES ARE A TYPE OF WHITE BLOOD CELL. THERE ARE A NUMBER OF DIFFERENT TYPES OF LYMPHOCYTE; • TWO OF THE MOST IMPORTANT ARE B LYMPHOCYTES AND T LYMPHOCYTES. • T LYMPHOCYTES ARE ALSO CALLED T CELLS. THEY ARE FORMED IN THE THYMUS GLAND – HENCE THEIR NAME. • T LYMPHOCYTES PLAY AN IM ...
... LYMPHOCYTES • LYMPHOCYTES ARE A TYPE OF WHITE BLOOD CELL. THERE ARE A NUMBER OF DIFFERENT TYPES OF LYMPHOCYTE; • TWO OF THE MOST IMPORTANT ARE B LYMPHOCYTES AND T LYMPHOCYTES. • T LYMPHOCYTES ARE ALSO CALLED T CELLS. THEY ARE FORMED IN THE THYMUS GLAND – HENCE THEIR NAME. • T LYMPHOCYTES PLAY AN IM ...
The Immune System
... • T-lymphocytes are responsible for the cell-mediated immune response • Guard against invaders hiding out inside infected cells • Cytotoxic T cells • They are the effectors (“hit men”) of the cell-mediated immune response by lysing infected cells or “punching holes” in the ...
... • T-lymphocytes are responsible for the cell-mediated immune response • Guard against invaders hiding out inside infected cells • Cytotoxic T cells • They are the effectors (“hit men”) of the cell-mediated immune response by lysing infected cells or “punching holes” in the ...
NK receptors
... rearrangements to generate receptor diversity (unlike NK cells) - These subsets express limited receptor diversity, utilizing only a small number of receptor gene segments - Tend to found in specific locations in the body, usually sites that encounter exogenous antigens or pathogens ...
... rearrangements to generate receptor diversity (unlike NK cells) - These subsets express limited receptor diversity, utilizing only a small number of receptor gene segments - Tend to found in specific locations in the body, usually sites that encounter exogenous antigens or pathogens ...
Immune System
... system responds to body’s own antigens – 1 – rheumatoid arthritis – tissue of heart and joints are attacked following exposure to a particular streptococcus bacteria 2 - “lupus” – systemic lupus erthythromatosis ...
... system responds to body’s own antigens – 1 – rheumatoid arthritis – tissue of heart and joints are attacked following exposure to a particular streptococcus bacteria 2 - “lupus” – systemic lupus erthythromatosis ...
The Medical Importance of the Immune System
... antigen, a small number of B and T cell clones that bind to the antigen with high affinity undergo activation, proliferation, and differentiation into plasma cells (for B cells) or activated T cells. This process is called ‘Clonal Selection”. 6. The adaptive immune system has memory, meaning that th ...
... antigen, a small number of B and T cell clones that bind to the antigen with high affinity undergo activation, proliferation, and differentiation into plasma cells (for B cells) or activated T cells. This process is called ‘Clonal Selection”. 6. The adaptive immune system has memory, meaning that th ...
Immunological Defence Mechanisms Against Biological
... pneumophyla. The story of Legionaries disease (a fatal lung infection by Legionella) is very instructive for microbiologists and epidemiologists. Human behaviours (homosexual intercourses, exchange of syringes among intravenous drug users and frequency of air travel) have extended the contagion of f ...
... pneumophyla. The story of Legionaries disease (a fatal lung infection by Legionella) is very instructive for microbiologists and epidemiologists. Human behaviours (homosexual intercourses, exchange of syringes among intravenous drug users and frequency of air travel) have extended the contagion of f ...
IN AUTISM - Immunosciences Lab
... antibody complex and each molecule of the complement performs a specialized job to destroy the target cell, and immune complexes, aggregates composed of antigens and immunoglobulins, which activate complement cascade and block cell-mediated immunity. Humoralmediated immunity also uses cytokines to c ...
... antibody complex and each molecule of the complement performs a specialized job to destroy the target cell, and immune complexes, aggregates composed of antigens and immunoglobulins, which activate complement cascade and block cell-mediated immunity. Humoralmediated immunity also uses cytokines to c ...
PDF of PowerPoint - Lehigh University
... deals with eliminating pathogens and foreign objects from the body. • CD47 is a marker of “self” to immune cells. • CD47 can be used on medical devices/implantable materials to prevent the inflammatory response. ...
... deals with eliminating pathogens and foreign objects from the body. • CD47 is a marker of “self” to immune cells. • CD47 can be used on medical devices/implantable materials to prevent the inflammatory response. ...