IS Flashcards
Serum antitoxin/ therapy
Awarded as the first immunology-related Nobel Prize for his works on serum therapy
Emil von Behring
Cellular immunity in Tuberculosis
Demonstration of CUTANEOUS (delayed-type) hypersensitivity.
Robert Koch
Phagocytosis
Elie Metchnikoff
Immunity and side chain theory
Antibody formation theory
Paul Ehrlich
Anaphylaxis
Richet and Portier
Complement
Jules Bordet
Human blood group antigens
Discovered ABO blood group (1901)
Karl Landsteiner
immunologic tolerance
Burnet and Medawar
Structure of antibodies
Edelman and Porter
Radioimmunoassay
Rosalyn Yalow
Major histocompatibility complex
Benaceraf, Dausset, and Snell
Immunoregulation
Niels Jerne
Monoclonal antibody
Koehler and Milstein
ANTIBODY DIVERSITY. On 1978, he discovered the genetic principle underlying the generation of antibodies with different specificities.
Susumu Tonegawa
Transplantation
Thomas and Murray
Cytotoxic T cell recognition of virally infected cells
Doherty and Zinkernagel
Human immunodeficiency virus
Françoise Barré-Sinoussi and Luc Montagnier
Antibody Structure using pepsin
Alfred Nisonoff
The ________ practiced a form of immunization by inhaling dried powders derived from the crusts of smallpox lesions.
_____________ method of scratching the skin and applying pulverized powder from a smallpox scab (WHO) Smallpox scabs were dried, ground and blown into the nostril using a pipe _________.
CHINESE
Variolation
Insuflation
Vaccinia
Cowpox
Variola major
Smallpox
Variola minor
Alastrim
AKA Typhoid Mary. A cook and a carrier of Salmonella Typhi (gallbladder) -contaminated with stool
Mary Mallon
Old World to New World=
New world to Old World=
Christopher Columbus
Smallpox (Europe)
Syphilis “NO Syphilis”
Demonstrated that protection from cowpox could be generated by the transfer of postural material from a cowpox lesion preventing formation of smallpox lesion (SMALLPOX VACCINATION)
Father of Immunology
Demonstrated the phenomenon of CROSS-IMMUNITY-Exposure to one agent produces protection against another agent.
Edward Jenner
Discovered therapeutic vaccination.
Uses live “attenuated” vaccine for CAR _________. Attenuation through aging.
Father of modern microbiology
Louis Pasteur
CAR
Cholera
Anthrax
Rabies
Discovered that certain blood cells could ingest foreign material, now classified as phagocytes.
Elie Metchnikoff
Discovered precipitins
Robert Kaus
Discovery of T cell receptor genes
1984
1st recorded blood transfusion
Pope Innocent VII (1492)
Use of Sodium phosphate/ phosphate soda as blood preservative
Braxton Hicks (1869)
Use of Sodium citrate as blood preservative
Albert Hustin (1914)
Determined the minimum concentration of Citrate as anticoagulant
Richard Lewisohn (1915)
Acid Citrate dextrose as preservative (ACD)
Loutit and Mollison (1943) WW2
Citrate phosphate dextrose as blood preservative (CPD)
Gibson (1957)
Carried vein- to-vein transfusion
Edward Lindemann
Director of American Red Cross Blood Bank (Father of modem blood banking)
Dr. Charles Drew (WW2)
Invented Gel technology
- standardization
Yves Lapierre (1985)
Humoral theory of immunity proposed
Von Behring, Kitasata
Arthus reaction of intermediate hypersensitivity
Maurice Arthus
Hyposthesis of antigen-antibody binding
Hypothesis of allograft rejection
Marrack
Polio vaccine
Silk and Sabin
Vaccine against yellow fever
GVHD
Reed
Clonal selection Theory
Burnet
Development of human papillomavirus vaccine
Frazer
Successful transfusion by _________ to a woman suffering from postpartum hemorrhage.
James Blundell of ENGLAND (1892)
Defined the fourth group AB
Descatello and Sturli
Ability of the body to resist infection by means of normally present body function.
Non-specific immune response, same response to all antigens. No memory cells formed. No PRIOR exposure.
NATURAL IMMUNE RESPONSE
Factors affecting natural immunity
Nutrition, age, fatigue, stress and genetic determinants.
5 parts of natural immune system
A. Ist line of defense/External immune defense
B. 2nd line of immune defense
C. Phagocytosis
D. Inflammation
E. Acute phase reactants
Physical/Anatomic barriers
Unbroken skin
Mucous membrane
Ciliary action
Secretions
Cleaves cell wall of certain bacteria (G+)
Found un tears, saliva and other cells
Lysozyme
Digest bacterial surface protein
Pepsin
Binds iron which is essential for bacterial growth
Lactoferrin
Stomach pH
1
Skin pH
5.5-5.6
Vaginal pH
5
Respond to bacterial infection
Most efficient and first to migrate
Neutrophils
Respiratory burst or Oxidative burst
Myeloperoxidase
Present in primary and secondary granules and degrades bacterial cell wall
Lysozyme or muramidase
Most effective, most potent phagocytic cells in the tissue
Dendritic cells
Dentritic cells in SKIN (epidermis)
Langerhans cells
Dendritic cells in secondary lymphoid organs and thymus
Interdigitating dendritic cells
Dendritic cells in major organs (heart, lungs, liver, kidney, GIT)
Interstitial dendritic cells
Macrophage in LIVER
Kupffer cells
Brain macrophage
Microglial cells
Kidney macrophage
Mesangial cells
Lungs macrophage
Alveolar cells
Bones macrophage
Osteoclast
Spleen macrophage
Littoral cells
Tissue-based basophils
Most granulated tissue
Mast cells
Parasitic and helminthic infection and allergy.
Realeses MBP- neutralizes histamine
Eosinophils
Respond to allergic or hypersensitivity reactions
HISTAMINE- mediate some hypersensitivity reactions
Basophil
Kills infected cells in two ways:
-ADCC
-recognition of stress protein combined with the absence of inhibitory signals
AKA: NULL LYMPHOCYTE or LAKs when exposed to IL-2 and IFN-y
NK CELLS
It attacks virally infected cells and tumor cells by perforins and grandzymes secretion.
Express CD 16 and 56
NK cells
Inhibitory receptors of NK CELLS which recognize the presence of MHC class I.
KIR and CD94/NKG2A
Humoral components
Inflammation
Complement
Cytokines
Phyagocytosis
Serum protein with bactericidal and viricidal effects in the presence of the third complement component and Mg. ions.
Properdin
Heat stable cationic substance
Betalysin
Important role as a transitional cell bridging the INNATE and ACQUIRED response to pathogens
NK CELLS
Receptor for the FC portion of IgG
CD 16
Engulfment and destruction of microorganisms or damage cells
Phagocytosis
Initiated by tissue damage, either trauma or bacterial multiplication
INITIATION
Cells tend to move in a certain direction by chemotaxin
CHEMOTAXIS
Test for chemotaxis
Boyden chamber
Migration is TOWARD to the site
Positive chemotaxis
Migration AWAY from the site
Negative chemotaxis
Toll like receptor for MYCOBACTERIA
TLR-1
TLR for G(+) bacteria (targets techoic acid)
TLR-2
TLR for gram neg. bacterial (targeting lipopolysaccharide)
TLR-4
Macrophage mannose receptor
Calcium dependent lecithin/C-type lecithin receptor/CLR
Recognizes anionic polymers and proteins
Scavenger receptor
Recognizes RNA from RNA viruses
Retinoic acid-inducible gene-I-like receptor/RLP
Speeding up phagocytosis
Opsonin
NADPH OXIDASE enzyme activity leads to formation of ROS
Respiratory burst
Leads to production of hypochlorite
Myeloperoxidase system
Cleaves bacterial cell membrane
Defensins
Cleaves bacterial cell wall
Lysozyme
Produced by IFN-y activated macrophage
Nitric oxide
Body’s overall reaction to injury or invasion by infectious agent.
Inflammation
Associated with HDL cholesterol, activated monocytes and macrophages. More in bacterial infections than viral infections
Serum Amyloid A
Redness/erythema
RUBOR
Hear
CALOR
Pain
DOLOR
Swelling/edema
TUMOR
Loss of function
FUNCTIO LAESA
Indicates ACUTE INFLAMMATION
Mobilization of neutrophils after injury:____
Emigration of neutrophils to the site of inflammation may last for how many hours?
Neutrophils
30-60 minutes
24-48 hours
Arrived later than neutophils. Peaks at 16-48 hrs which indicates CHRONIC inflammation.
Produces IL-1 leading to the production of IL-2, fever and increase APR.
Macrophage
More sensitive and reliable indicator of inflammation than ESR
Non-specific indicator of inflammation
CRP
Half-life: 19 hours
Increased:
-bacterial infection
-viral infection
-Rheumatic fever
-malignant disease
-tuberculosis
-after heart attack
Serologic test for CRO
Reverse passive agglutination
Positive result in Complement fixation test
No hemolysis
Soluble proteins that leads to cytolysis
Complement
Polypeptide products that regulated immune response
Cytokines
A group of cytokines discovered in virally infected cultured cells that interfere with viral replication, virus NON specific but HOST specific.
Act as antiviral agents, immunomodulators and neoplastic agents
Interferons
IFN in MHC class I
IFN-a
IFN-b
MHC class 2 IFN
IFN-y
AKA Leukocyte IFN
IFN-a
Producer cells of IFN-a
Null lymphocyte/NK cells
Also known as epithelial fibroblast IFN
IFN-b
Also known as Immune IFN
IFN-y
Antagonist to IL-4 and the major macrophage-activating cytokine and serves as critical function in innate immunity and specific cell mediated immunity
IFN-y
Products of virally transformed cells which induce phenotypic transformation in non-neoplastic cells.
Transforming Growth Factors
A cytokine that induce anti proliferative activity in a variety of cell types and down regulation of the inflammatory response
TGF-B