INTENDED USE AND DESCRIPTION: For use a quantitative control for the determination of human IGFBP-1 concentrations in biological fluids. Controls are supplied lyophilized. Please refer to the lot specific certificate of analysis and Simple Plex Lyophilized Quality Control product insert for additional information.
The superfamily of insulin-like growth factor (IGF) binding proteins include the six high-affinity IGF binding proteins (IGFBP) and at least four additional low-affinity binding proteins referred to as IGFBP related proteins (IGFBP-rP). All IGFBP superfamily members are cysteine-rich proteins with conserved cysteine residues, which are clustered in the amino- and carboxy-terminal thirds of the molecule. IGFBPs modulate the biological activities of IGF proteins. Some IGFBPs may also have intrinsic bioactivity that is independent of their ability to bind IGF proteins. Post-translational modifications of IGFBP, including glycosylation, phosphorylation and proteolysis, have been shown to modify the affinities of the binding proteins to IGF. ALS (Acid Labile Subunit) is a liver-derived protein that exists in a ternary complex with Insulin-like Growth Factor (IGF)-binding Protein-3 (IGFBP-3) or IGFBP-5, and either IGF-I or IGF-II. ALS increases the half-life of IGF/IGFBP complexes in circulation.
Product Specifications for Simple Plex Control for Human IGFBP-1
Species
Human
Applications
Control, Simple Plex Automated Immunoassay
Source
N/A
Preparation & Storage
Shipping Conditions
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Storage
• Store lyophilized controls at 2-8 °C. Lyophilized controls are stable for up to 12 months from date of receipt. • Reconstituted controls are stable for up to 6 months from date of preparation when stored at ≤ -70 °C. Storage at -20° C is not recommended. • Individual frozen aliquots of low and high controls are designed as single-use entities. Thaw directly before use and discard any remaining volume.
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