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Human Growth Hormone (GH, GHN or GH1) is the major regulator of postnatal growth, having somatogenic, metabolic, and differentiative effects on its target cells and tissues. It is a 22 kDa protein (191 amino acids) belonging to a family of cytokine peptides, and is produced and secreted by acidophilic or somatotropic cells of the anterior pituitary gland. GH binds to its cognate transmembrane receptor (GHR), and signals through the activation of JAKs, STATs, AKT, and ERK. It exerts many of its effects by stimulation of IGF-1 (Insulin-like Growth Factor I) production in liver and peripheral tissues. Human GH can also be detected in urine, a finding that could be helpful in diagnosing certain GH deficiencies.
AlphaLISA technology allows the detection of molecules of interest in a no-wash, highly sensitive, quantitative assay. In an AlphaLISA assay, a biotinylated anti-analyte antibody binds to the Streptavidin-coated Donor beads while another anti-analyte antibody is conjugated to AlphaLISA Acceptor beads. In the presence of the analyte, the beads come into close proximity. The excitation of the Donor beads causes the release of singlet oxygen molecules that triggers a cascade of energy transfer in the Acceptor beads, resulting in a sharp peak of light emission at 615 nm.
|Assay Target||Growth Hormone|
|Assay Target Class||Hormone|
|Experimental Type||In vitro|
|Product Brand Name||AlphaLISA|
|Shipping Condition||Blue Ice|
|Unit Size||500 assay points|
Biomarker levels were measured directly in CulturPlates-96 and-384 in a simple, fast, all-in-one-well AlphaLISA assay format. The elimination of transfer and wash steps simplifies cellular assays, reduces variability and significantly reduces hands-on time and costs associated with consumables. Integral plasma membrane (EGFR) and secreted solubleproteins (TNFa, IL1ß, IL6, IL8) were successfully determined, on adherent or suspension cells, using the standard AlphaLISA Immunoassay buffer.