these results indicate that ish can be used to detect chromogranins a and b in endocrine tissues with radioactive and biotinylated oligonucleotide probes and that the mrnas for chromogranin a and b are demonstrable in some tumors even when the chromogranin proteins can not be detected by immunohistochemistry .
C0055633
chromogranin a
C0008586
chromogranin