Quinestrol is a synthetic estrogen that is effective in hormone replacement therapy. It is a 3-cyclopentyl ether of ethynyl estradiol. After gastrointestinal absorption, it is stored in adipose tissue, where it is slowly released and metabolized in the liver to its active form, ethinyl estradiol. Quinestrol has...

Synthetic manganese-porphyrin complexes have been documented to act as scavengers for oxidative species such as peroxynitrite, superoxide, and hydrogen peroxide. EUK 134 is a salen-manganese complex that has been modified to increase its catalase activity while retaining SOD activity. EUK 134 is a salen-manganese...

Procysteine is a prodrug form of cysteine that is metabolized to cysteine intracellularly and has antioxidant activity. It reduces TNF-alpha-induced increases in the expression of IL-6 and chemokine (C-C motif) ligand 2 (CCL2) in ARPE-19 human retinal pigment epithelial cells when used at a concentration of 0.5 mM....

Tibolone is an estrogen-like compound used for the treatment of the symptoms associated with menopausal transition (i.e., climacteric symptoms) and also for the treatment of osteoporosis. Three major metabolites of tibolone are responsible for its tissue selective mechanism of action. Conversion into 3alpha- and...