Human CD25/IL-2sR Alpha ELISA Kit PicoKine®

Mfr.No.

EK0400

Sensitivity

<5 pg/ml

Detection Range

78 pg/ml - 5,000 pg/ml

Reactivity

Human

Sample Volume

Concentration (pg/ml)	0	78	156	313	625	1250	2500	5000
O.D.	0.016	0.251	0.435	0.770	1.108	1.479	1.853	2.049

Description

Human CD25/IL-2sR Alpha ELISA Kit PicoKine® (96 Tests). Quantitate Human IL2RA in cell culture supeatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 5pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.

Alternative Names

Interleukin-2 receptor subunit alpha;IL-2 receptor subunit alpha;IL-2-RA;IL-2R subunit alpha;IL2-RA;TAC antigen;p55;CD25;IL2RA;

Molecular Weight

30819 MW

Immunogen

Expression system for standard: NS0; Immunogen sequence: E22-C213

Kit Components

Description Quantity
Pre-coated 96-well strip microplate 1
Standard 2 vials
Biotinylated antibody (100x) 100ul
Avidin-Biotin-Peroxidase Complex (100x) 100ul
Sample Diluent 30ml
Antibody Diluent 12ml
Avidin-Biotin-Peroxidase Diluent 12ml
Color Developing Reagent (TMB) 10ml
Stop Solution 10ml
Wash Buffer (25x) 20ml
Adhesive plate sealers 4

Cross Reactivity

There is no detectable cross-reactivity with other relevant proteins.

Specificity

Natural and recombinant human CD25

Subcellular Localization

Membrane; Single-pass type I membrane protein.

Sample Type

Cell culture supeatants, Cell lysates, Serum, Plasma

Anticoagulant

heparin or EDTA

Precision

	Intra-Assay Precision			Inter-Assay Precision
Sample	1	2	3	1	2	3
n	16	16	16	24	24	24
Mean (pg/ml)	140	719	2353	141	785	2310
Standard deviation	6.58	41.7	94.12	7.61	47.1	97.02
CV (%)	4.7%	5.8%	4%	5.4%	6%	4.2%

Protein Function

Receptor for interleukin-2.

Background

CD25 is the alpha chain of the IL-2 receptor. It is a type I transmembrane protein present on activated T cells, activated B cells, some thymocytes, myeloid precursors, and oligodendrocytes that associates with CD122 to form a heterodimer that can act as a high-affinity receptor for IL-2. The IL2R gene was mapped to 10p15-p14. CD25 is expressed in most B-cell neoplasms, some acute nonlymphocytic leukemias, neuroblastomas, and tumor infiltrating lymphocytes. Its soluble form, called sIL-2R may be elevated in these diseases and is occasionally used to track disease progression.

Reproducibility

Lots	Lot 1 (pg/ml)	Lot 2 (pg/ml)	Lot 3 (pg/ml)	Lot 4 (pg/ml)	Mean (pg/ml)	Standard Deviation	CV (%)
Sample 1	140	116	139	115	127	12.01	9.4%
Sample 2	719	735	616	709	694	46.4	6.6%
Sample 3	2353	2484	2499	2400	2434	60.08	2.4%

*number of samples for each test n=16.

Notes

Material Required But Not Provided:
Microplate Reader capable of reading absorbance at 450nm.
Incubator.
Automated plate washer .
Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
Multichannel pipettes are recommended for large amount of samples.
Deionized or distilled water.
500ml graduated cylinders.
Test tubes for dilution.

Gene ID	3559
Gene Name	IL2RA
UniProt ID	P01589
Protein Name	Interleukin-2 receptor subunit alpha
Sequence	Contains 2 Sushi (CCP/SCR) domains.

Applications	ELISA
Research Area	Adaptive Immunity,Cytokines,Immunology,Innate Immunity,Interleukins,T Cells

Storage	Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)

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SKU	Supplier No.	Size	Your price	Quantity
BHE21000409	EK0400	96 wells/kit	$499		Add to Cart

Human CD25/IL-2sR Alpha ELISA Kit PicoKine®

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