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“The overall increase in progesterone concentration was 2-fold on day 10 in comparison to 15-30% on subsequent days even though IFN concentrations for stimulation were 2- and 4-fold higher.”
The Journal of Steroid Biochemistry and Molecular Biology • 1997 | View Paper
“Neither IL-1 nor TNF alpha had significant effects on human chorionic gonadotrophin (HCG)-stimulated progesterone production, whereas IFN gamma (1-10 ng/ml) significantly reduced HCG-stimulated progesterone production by 26-37%.”
“Serum estradiol and progesterone concentrations were significantly decreased during the treatment cycle, suggesting that interferon interacts in vivo with the function of both FSH and LH.”
International journal of cancer • 1982 | View Paper
“Analysis of homogeneity of regression for response curves indicated that 5 mg of recombinant bovine interferon-tau decreased plasma progesterone concentrations.”
“Low concentrations of brIFN (10(-15) mol/l to 10(-11) mol/l) stimulated progesterone secretion by granulosa cells by up to three fold, without significantly affecting oxytocin concentrations or culture DNA content.”
“ Progesterone secretion by luteal cells in serum-free culture was stimulated in the presence of 10(-15) mol/l brIFN , whilst high concentrations again caused inhibition.”