Reversal of bone loss in mice by nongenotropic signaling of sex steroids

S. Kousteni, J. R. Chen, T. Bellido, L. Han, A. A. Ali, C. A. O'Brien, L. Plotkin, Q. Fu, A. T. Mancino, Y. Wen, A. M. Vertino, C. C. Powers, S. A. Stewart, R. Ebert, A. M. Parfitt, R. S. Weinstein, R. L. Jilka, S. C. Manolagas

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Abstract

We show that sex steroids protect the adult murine skeleton through a mechanism that is distinct from that used to preserve the mass and function of reproductive organs. The classical genotropic actions of sex steroid receptors are dispensable for their bone protective effects, but essential for their effects on reproductive tissues. A synthetic ligand (4-estren-3α,17β-diol) that reproduces the nongenotropic effects of sex steroids, without affecting classical transcription, increases bone mass and strength in ovariectomized females above the level of the estrogen-replete state and is at least as effective as dihydrotestosterone in orchidectomized males, without affecting reproductive organs. Such ligands merit investigation as potential therapeutic alternatives to hormone replacement for osteoporosis of bone mass in both women and men.

Original languageEnglish (US)
Pages (from-to)843-846
Number of pages4
JournalScience
Volume298
Issue number5594
DOIs
StatePublished - Oct 25 2002
Externally publishedYes

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    Kousteni, S., Chen, J. R., Bellido, T., Han, L., Ali, A. A., O'Brien, C. A., Plotkin, L., Fu, Q., Mancino, A. T., Wen, Y., Vertino, A. M., Powers, C. C., Stewart, S. A., Ebert, R., Parfitt, A. M., Weinstein, R. S., Jilka, R. L., & Manolagas, S. C. (2002). Reversal of bone loss in mice by nongenotropic signaling of sex steroids. Science, 298(5594), 843-846. https://doi.org/10.1126/science.1074935