3.5 hours incubations; 0.5 hour washing and analyzing samples
Signal
Colorimetric
Curve Range
62.5-4000pg/ml
Sample Type
Human serum, plasma, tissue homogenates, cell culture supernates and other biological fluids.
Sample Volume
100µl
Specificity
This kit is used for quantitative detection of CD19
Sensitivity
24pg/ml
Reactivity
Human
Cross Reactivity
There is no detectable cross-reactivity with other relevant proteins.
Interference
No significant interference observed with available related molecules.
Components
CD19 Monoclonal Antibody Coated 96-well Plate in foil pouch with desiccant | 1 plate
Human CD19 Standard (200ng/ml) | 0.1 mL
100x Biotin conjugated CD19 Detection Antibody | 0.12 mL
100x SA-HRP Conjugate | 0.12 mL
Assay Buffer | 40 mL
Sample Diluent | 30 mL
Wash Buffer Concentrate 20X | 60 mL
TMB Substrate | 12 mL
Stop Solution | 12 mL
Plate Sealer | 3 pieces
Background
CD19 is a 95 kd Type I transmembrane glycoprotein that plays a central role in B cell activation and humoral immune responses. It is expressed in all B lineage cells, and is commonly used as a B cell lineage marker. CD19 is required for the responsiveness of mature B cell to antigen stimulation, germinal center development, and antibody affinity maturation. The CD19 protein associates with the B cell antigen receptor (BCR), CD81, CD38, CD21, CD22, and IFITM1/CD225/Leu13, which enables CD19 to amplify B cell signaling and reduce the threshold for antigen stimulation through the BCR. Dysregulation of CD19, can lead to the development of autoimmunity. CD19 has been implicated in autoimmune diseases, including rheumatoid arthritis and multiple sclerosis. CD19 has also been used to diagnose cancers that arise from this type of cell - notably B cell lymphomas, acute lymphoblastic leukemia (ALL), and chronic lymphocytic leukemia.
*Delivery time may vary from web posted schedule. Occasional delays may occur due to unforeseen
complexities in the preparation of your product. International customers may expect an additional 1-2 weeks
in shipping.