Table 1

‚ÄÉRelative abundance of hGH molecular forms in circulation (adapted from Bidlingmaier et al6). The percentages are approximate

IsoformsPer cent
22 kDa monomer48
20 kDa monomer9
Modified hGH (dimers and oligomers)30
Acidic hGH (desaminated and acylated forms)7
Fragmented hGH (17, 12, 5, 30 kDa)Variable