size fractionation of uremic plasma by gel filtration , and immunoextraction by region-specific anti-chromogranin a ( anti-n-terminal , anti-c-terminal , and anti-mid-molecule ) antibodies suggested that chromogranin a immunoreactivity circulates in uremia as lower molecular weight fragments of the parent chromogranin a molecule , with mid-molecule fragments the major constituent .
C0008586
chromogranin
C0055633
chromogranin a