Final Exam Flashcards
Bence Jones Proteins
Small protein made by plasma cells, found in urine (seen in patients with multiple myeloma)
HLA
Human Leukocyte Antigens
genes in the major histocompatobility complex (MHC) that help code for proteins that differentiate between self and non-self
Specificity
- A tests ability to correctly identify people who do not have a disease or disorder
- high specificity = few false positive tests
- used as a confirmation test
Sensitivity
- the percentage of people with the disease who are correctly identified by the test
- high sensitivity = few false negatives (may have false positives)
- used for screening tests
M Spike
- Monoclonal immunoglobulin spike, a lab test that measures the amount of m protein in your blood
- m protein is abnormal and indicates abnormal/cancerous plasma cells
Epitope
A molecular region on the surface of a protein or other molecule that can trigger an immune response by binding to an antibody, recognized by the t-cell receptors and b-cells of the immune system, and are made up of amino acids
Polyclonal antibodies
A collection of antibodies that come from different B cell lineages and recognize multiple parts of an antigen
Monoclonal Antibodies
Laboratory-made proteins that mimic the immune system’s ability to fight disease, are designed to bind to specific antigens on the surface of cells, such as cancer cells or pathogens, and can be used to treat various diseases.
The use of monoclonal antibodies in clinical laboratory testing
Used for diagnosis, disease treatment, and research. Also used as probes to identify materials in laboratories or for use in home-testing kits (ex: pregnancy tests)
Cross-reactivity
When an antibody reacts with two similar molecules or when an agent initiates reactions outside of its main expected reaction.
Alloantigen
A genetically determined antigen that is present in some members of a species but not others
Autoantigen
Heterophile Antigen
Prozone
Postzone
Zone of Equivalence