The Quantikine Mouse RBP4 immunoassay is a 4.5 hour solid-phase ELISA designed to measure RBP4 in cell culture supernates, cell lysates, mouse serum, plasma, and urine. It contains NS0-expressed recombinant mouse RBP4 and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate recombinant mouse RBP4. Results obtained using natural mouse RBP4... showed dose response curves that were parallel to the standard curve obtained using the Quantikine mouse kit standards. These results indicate that this kit can be used to determine relative mass values for natural mouse RBP4.
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Mouse RBP4 Quantikine ELISA Kit
interstitial
Plasma retinol-binding protein
RBP4
retinol binding protein 4, plasma
RetinolBinding Protein 4
retinol-binding protein 4, plasma
Background
Retinol-binding protein 4 (RBP4) is a Lipocalin superfamily molecule that transports vitamin A (retinol) and retinaldehyde in the serum. Retinaldehyde is the critical chromophore in the rhodopsin photoreceptor, while both it and retinoic acid regulate a multitude of cellular differentiation and proliferation effects through the intracellular receptors RAR and RXR. RBP4 is secreted primarily by hepatocytes and adipocytes into the blood where the RBP4-retinol complex interacts with transthyretin (TTR). Formation of the complex with TTR increases the serum half-life of RBP4 by preventing RBP4 filtration through the kidney. The C-terminally processed forms of RBP4, which do not bind TTR, are normally excreted into the urine but accumulate in the serum during renal failure. RBP4 promotes hyperglycemia, and its upregulation in visceral and liver adipocytes leads to elevated serum levels.
⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Publications for RBP4/Retinol-Binding Protein 4 (MRBP40)(4)
We have publications tested in 1 confirmed species: Mouse.
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