[Cholinesterase in the amnion of chick embryos].
Cholinesterase (ChE) activity in amnion was studied in developing chick embryos and the enzyme's substrate-inhibitory characteristics were established. The enzyme activity increased until the 8th day of incubation and then gradually decreased; on day 12-15 the activity is 40% only of the maximal one. On the basis of substrate-inhibitory analysis the enzyme was referred to propionyl-cholinesterases. Relations between age changes in ChE activity and morphological structure of smooth-muscle amnion tissue, its differentiation during development and functional activity of amnion are discussed.
O V
OV
Boĭko
B N
BN
Manukhin
D000650:Amnion / Q000201:enzymology*; D000818:Animals; D002384:Catalysis; D002642:Chick Embryo / Q000201:enzymology*; D002802:Cholinesterases / Q000032:analysis / Q000378:metabolism*; D003124:Colorimetry; D013053:Spectrophotometry; D013379:Substrate Specificity; D013997:Time Factors
D002802:Cholinesterases
Kholinésteraza v amnione zarodysheĭ kur.