These aren't just generic lab chemicals
While there is a strong evidence for the positive associations of estrogen and endometrial cancer, endometriosis, uterine fibroids, or breast cancer, the actions of progesterone remain unclear
Blood and brain tissue preparation At the end of the study period, all rats were sacrificed by decapitation, under ketamine (100 mg/kg) and xylazine (20 mg/kg) anesthesia, and blood was withdrawn by intracardiac puncture
J Endocrinol Invest 47 , 13951403 (2024)
In 1973 he was trying to figure out why blood plasma from older donors behaved so differently from younger plasma when both were dripped onto the same liver cells in culture
Probably, if all cysteine residues were in the reduced form (with free sulfhydryl groups) high percentage of helical fragments would be possible