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Invitrogen
Human LIF ELISA Kit
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Product Specifications
Analytical sensitivity
0.7 pg/mL
Assay range
3.15-200 pg/mL
Sample type/volume
Plasma
50 µL
Serum
50 µL
Supernatant
50 µL
Hands-on time
1 hr 20 min
Time-to-result
3 hr 40 min
Homogenous (no wash)
No
Interassay CV
7%
Intraassay CV
5.5%
Instrument
Absorbance Microplate Reader
Product size
10 x 96 Tests
Contents
Pre-coated 96 well plate
Standard
Sample Diluent
Assay Buffer concentrate
Biotinylated Detection Antibody
SAV-HRP
Wash Buffer
Chromogen
Stop Solution
Adhesive Plate Covers
Standard
Sample Diluent
Assay Buffer concentrate
Biotinylated Detection Antibody
SAV-HRP
Wash Buffer
Chromogen
Stop Solution
Adhesive Plate Covers
Shipping conditions
Wet ice
Storage
2-8°C
Protein name
LIF
Species (tested)
Human
Assay kit format
Sandwich ELISA Kit
Detector antibody conjugate
Biotin
Label or dye
HRP
About This Kit
The Human Leukemia Inhibitory Factor (Hu LIF) ELISA quantitates Hu LIF in human serum, plasma, buffered solution, or cell culture medium. The assay will exclusively recognize both natural and recombinant Hu LIF.
Principle of the method
The Human LIF solid-phase sandwich ELISA (enzyme-linked immunosorbent assay) is designed to measure the amount of the target bound between a matched antibody pair. A target-specific antibody has been pre-coated in the wells of the supplied microplate. Samples, standards, or controls are then added into these wells and bind to the immobilized (capture) antibody. The sandwich is formed by the addition of the second (detector) antibody, a substrate solution is added that reacts with the enzyme-antibody-target complex to produce measurable signal. The intensity of this signal is directly proportional to the concentration of target present in the original specimen.
Rigorous validation
Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.
Target information
Leukemia inhibitory factor (LIF) is a 20 kDa protein that belongs to the IL-6 receptor family. It binds to a heterodimeric membrane receptor made up of a LIF-specific subunit, gp190 or LIFR, and the subunit gp130, which is shared with the other members of the IL-6 family. LIF expression has been observed in various tissues including thymus, lung, and neuronal tissue. LIF can be up-regulated by pro-inflammatory cytokines such as TNFα and IL-17, and elevated levels of LIF have been found in cases of rheumatoid arthritis, neural injury, systemic inflammation, and tuberculosis. LIF displays diverse biological effects, but is best known for its ability to inhibit the differentiation of embryonic stem cells in mice and contribute to stem cell self-renewal.Human and mouse LIF share 79% sequence homology and exhibit cross-species activity. However, LIF inhibition of stem cell differentiation appears to be mouse-specific.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Bioinformatics
Gene aliases : CDF, DIA, HILDA, LIF, MLPLI
Gene ID : (Human) 3976
Gene symbol : LIF
Protein Aliases : cholinergic differentiation factor, D factor, differentiation inhibitory activity, differentiation-inducing factor, Differentiation-stimulating factor, hepatocyte-stimulating factor III, human interleukin in DA cells, Leukemia inhibitory factor, LIF, Melanoma-derived LPL inhibitor, MLPLI
UniProt ID (Human) P15018
Performance Guarantee
If an Invitrogen™ immunoassay doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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