Gynecologic Oncology

PROCLACTIN • Is a polypeptide hormone containing 198 amino acids and having a molecular weight of 22,000 daltons. • It curculates in different molecular sizes- a (small) form (mol wt 22,000), and a (big) form (mol wt 50,000), and an even larger (big-big) form (mol wt > 100,000). • The small form is biologically active, and about 80% of the hormone secreted is in this