Assay for the Measurement of Copeptin, a Stable Peptide Derived from the Precursor of Vasopressin

Arginine vasopressin (AVP) is a key regulator of water balance, but its instability makes reliable measurement difficult and precludes routine use. We present a method for quantifying AVP release by use of copeptin, a glycopeptide comprising the C-terminal part of the AVP prohormone. We measured cop...

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