Luteotrophic activity of preparations of human placental lactogen

M. Morell
C. Ferrer
F. Recio
C. Osorio
41

Abstract




The luteotrophic effect of a pure preparation of Human Placental Lactogen (HPL) was assayed by prolonging dioestrus in intact inmature Wistar rats with different doses. The doses were between 1 mg and 0.060 mg. The EDi0 was obtained with 0.175 mg (0.124-0.249). All pure extracts used were free of insuline Human Growth Hormone (HGH) and Human Chorionic Gonadotrophin (HCG). The authors try to establish a unit of biological activity for their own preparations.




Keywords:
Animals, Corpus Luteum/drug effects, Estrus/drug effects, Female, Inbred Strains, Placental Lactogen/pharmacology, Pregnancy, Rats

Authors

M. Morell
C. Ferrer
F. Recio
C. Osorio


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