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CyFlow™ CD5 Purified

CyFlow™ CD5 Purified
Antigen: CD5
Alternative Name: Leu-1
Clone: CRIS1
Application: Enzyme-linked immunosorbent assay, Flow cytometry, Immunohistochemistry (frozen sections), Immunoprecipitation, Western blot
Format/Fluorochrome: Purified
Target Species: Human
Field of Interest: Immunophenotyping
Species of Origin: Mouse
Regulatory Status: RUO
Clonality: monoclonal
Isotype: IgG2a
Order number: CT745017

For Research Use Only
Not for use in diagnostic or therapeutic procedures.

Concentration 1 mg/ml Quantity 0.1 mg Volume 0.1 ml Immunogen Stimulated human... more
CyFlow™ CD5 Purified
Concentration1 mg/ml
Quantity0.1 mg
Volume0.1 ml
ImmunogenStimulated human leukocytes
SpecifityThe mouse monoclonal antibody CRIS1 recognizes CD5 antigen, a 67kDa single-chain transmembrane glycoprotein expressed on mature T lymphocytes, most of thymocytes and B lymphocytes subset (B-1a lymphocytes).
Background InformationCD5 (T1) is a human cell surface T-lymphocyte single-chain transmembrane glycoprotein. CD5 is expressed on all mature T-lymphocytes, most of thymocytes, subset of B-lymphocytes and on many T-cell leukemias and lymphomas. It is a type I membrane glycoprotein whose extracellular region contains three scavenger receptor cysteine-rich (SRCR) domains. The CD5 is a signal transducing molecule whose cytoplasmic tail is devoid of any intrinsic catalytic activity. CD5 modulates signaling through the antigen-specific receptor complex (TCR and BCR). CD5 crosslinking induces extracellular Ca++ mobilization, tyrosine phosphorylation of intracellular proteins and DAG production. Preliminary evidence shows protein associations with ZAP-70, p56lck, p59fyn, PC-PLC, etc. CD5 may serve as a dual receptor, giving either stimulatory or inhibitory signals depending both on the cell type and development stage. In thymocytes and B1a cells seems to provide inhibitory signals, in peripheral mature T lymhocytes it acts as a costimulatory signal receptor. CD5 is the phenotypic marker of a B cell subpopulation involved in the production of autoreactive antibodies.Disease relevance: CD5 is a phenotypic marker for some B cell lymphoproliferative disorders (B-CLL, Hairy cell leukemia, etc.). The CD5+ popuation is expanded in some autoimmune disorders (Rheumatoid Arthritis, etc.). Herpes virus infections induce loss of CD5 expression in the expanded CD8+ human T cells.
Storage BufferThe reagent is provided in phosphate buffered saline (PBS) solution, pH ≈7.4, containing 0.1% (w/v) sodium azide.
StorageAvoid prolonged exposure to light. Store in the dark at 2-8°C. Do not freeze.
StabilityDo not use after expiration date stamped on vial label.

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