C-Peptide is part of the molecule of Proinsulin, that consists of three parts: C-Peptide and two long strands of amino acids (called the alpha and beta chains) that later become linked together to form the insulin molecule. From every molecule of proinsulin, one molecule of insulin plus one molecule of C-Peptide are produced. C-Peptide is released into the blood stream in equal amounts to insulin. A test of C-Peptide levels will show how much insulin the body is making. Insulin decreases blood glucose concentration. It increases cell permeability to monosaccharides, amino acids and fatty acids. It accelerates glycolysis, the pentose phosphate cycle, and glycogen synthesis in liver. Although C-Peptide function is not fully understood, it binds to cell membranes which leads to increased intracellular Ca2++, K+ -ATPase and endothelial nitric oxide synthase activities. C-Peptide also functions in repair of the muscular layer of arteries.
Applications:
Suitable for use in ELISA. Other applications have not been tested.
Recommended Dilutions:
Optimal dilutions to be determined by the researcher.
Recommended antibody pair for immunoassay to detect Rat C-peptides I & II. Crossreactivity of the recommended pair with native rat proinsulin is <0.1%.
Capture: C7905-20C
Detection: C7905-19
Hybridoma:
Sp2/0 myeloma cells with spleen cells from Balb/c mice.
Storage and Stability:
May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, add sterile glycerol (40-50%), aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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