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activin

   Also found in: Medical, Wikipedia 0.01 sec.
ac·ti·vin  (kt-vn, k-tvn)
n.
A polypeptide growth factor that is synthesized in the pituitary gland and the gonads and stimulates the secretion of follicle stimulating hormone.

[activ(ate) + (inhib)in (from its activating follicle stimulating hormone).]


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They found that nicotinamide (vitamin B3, NIC) and Activin A, an important growth factor, promoted differentiation of hESCs towards an RPE fate.
Pieces of ovarian tissue taken from six women during elective caesarean section were cultured for six days and 74 intact follicles were collected and grown in the presence of human recombinant activin A.
ActiVin is FDA GRAS affirmed for use as a natural preservative, flavor modifier, and emulsifier.
 
 
 
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