- There is no difference in spontaneous and 17 beta-estradiol-induced interleukin-1 beta release by peripheral blood mononuclear cells from nonosteoporotic women with different rates of early postmenopausal bone loss. Høgåsen, A.K., Nordsletten, L., Aasen, A.O., Falch, J.A. J. Clin. Endocrinol. Metab. (1995)