Selective Estrogen Receptor Modulators

Publication Title: 
American Family Physician

The results of large clinical trials have led physicians and patients to question the safety of hormone therapy for menopause. In the past, physicians prescribed hormone therapy to improve overall health and prevent cardiac disease, as well as for symptoms of menopause. Combined estrogen/progestogen therapy, but not estrogen alone, increases the risk of breast cancer when used for more than three to five years.

Author(s): 
Hill, D. Ashley
Crider, Mark
Hill, Susan R.
Publication Title: 
American Family Physician

The results of large clinical trials have led physicians and patients to question the safety of hormone therapy for menopause. In the past, physicians prescribed hormone therapy to improve overall health and prevent cardiac disease, as well as for symptoms of menopause. Combined estrogen/progestogen therapy, but not estrogen alone, increases the risk of breast cancer when used for more than three to five years.

Author(s): 
Hill, D. Ashley
Crider, Mark
Hill, Susan R.
Publication Title: 
American Family Physician

The results of large clinical trials have led physicians and patients to question the safety of hormone therapy for menopause. In the past, physicians prescribed hormone therapy to improve overall health and prevent cardiac disease, as well as for symptoms of menopause. Combined estrogen/progestogen therapy, but not estrogen alone, increases the risk of breast cancer when used for more than three to five years.

Author(s): 
Hill, D. Ashley
Crider, Mark
Hill, Susan R.
Publication Title: 
Cancer Treatment and Research
Author(s): 
Cobleigh, M. A.
Publication Title: 
Molecular and Cellular Endocrinology

After the Women's Health Initiative found that the risks of hormone therapy outweighed the benefits, a need for alternative drugs to treat menopausal symptoms has emerged. We explored the possibility that botanical agents used in Traditional Chinese Medicine for menopausal symptoms contain ERbeta-selective estrogens. We previously reported that an extract containing 22 herbs, MF101 has ERbeta-selective properties. In this study we isolated liquiritigenin, the most active estrogenic compound from the root of Glycyrrhizae uralensis Fisch, which is one of the plants found in MF101.

Author(s): 
Mersereau, Jennifer E.
Levy, Nitzan
Staub, Richard E.
Baggett, Scott
Zogovic, Tatjana
Zogric, Tetjana
Chow, Sylvia
Ricke, William A.
Tagliaferri, Mary
Cohen, Isaac
Bjeldanes, Leonard F.
Leitman, Dale C.
Publication Title: 
Glia

Steroidal estrogens can regulate inflammatory immune responses and may be involved in the suppression of multiple sclerosis (MS) during pregnancy. However, the risks and side effects associated with steroidal estrogens may limit their usefulness for long-term MS therapy. Selective estrogen receptor modulators (SERMs) could provide an alternative therapeutic strategy, because they behave as estrogen agonists in some tissues, but are either inert or behave like estrogen antagonists in other tissues.

Author(s): 
Bebo, Bruce F.
Dehghani, Babak
Foster, Scott
Kurniawan, Astrid
Lopez, Francisco J.
Sherman, Larry S.
Publication Title: 
Current Opinion in Pharmacology

Estrogenic effects are mediated through two estrogen receptor (ER) subtypes, ERα and ERβ. Estrogens are the most commonly prescribed drugs to treat menopausal conditions, but by non-selectively triggering both ERα and ERβ pathways in different tissues they can cause serious adverse effects. The different sizes of the binding pockets and sequences of their activation function domains indicate that ERα and ERβ should have different specificities for ligands and biological responses that can be exploited for designing safer and more selective estrogens.

Author(s): 
Leitman, Dale C.
Paruthiyil, Sreenivasan
Vivar, Omar I.
Saunier, Elise F.
Herber, Candice B.
Cohen, Isaac
Tagliaferri, Mary
Speed, Terence P.
Publication Title: 
Oncogene

Many estrogen receptor (ER)-positive breast cancers respond well initially to endocrine therapies, but often develop resistance during treatment with selective ER modulators (SERMs) such as tamoxifen. We have reported that the 14-3-3 family member and conserved protein, 14-3-3ζ, is upregulated by tamoxifen and that high expression correlated with an early time to disease recurrence. However, the mechanism by which tamoxifen upregulates 14-3-3ζ and may promote the development of endocrine resistance is not known.

Author(s): 
Bergamaschi, A.
Katzenellenbogen, B. S.
Publication Title: 
Fitoterapia

Glabridin, a prenylated isoflavonoid of G. glabra L. roots (European licorice, Fabaceae), has been associated with a wide range of biological properties such as antioxidant, anti-inflammatory, anti-atherogenic, regulation of energy metabolism, estrogenic, neuroprotective, anti-osteoporotic, and skin-whitening. While glabridin is one of the most studied licorice flavonoids, a comprehensive literature survey linked to its numerous bioactivities is unavailable. The present review provides a comprehensive description of glabridin as a key chemical and biological marker of G.

Author(s): 
Simmler, Charlotte
Pauli, Guido F.
Chen, Shao-Nong
Publication Title: 
Orvosi Hetilap

Due to its incidence and clinical consequences osteoporosis followed by vertebral, hip, and forearm fractures represents an outstanding problem of nowadays' health care. Because of its high mortality rate hip fractures are of special interest. The number of fractures caused by postmenopausal osteoporosis increases with age. Costs of examinations and treatment of women with postmenopausal osteoporosis and fractures are also increasing and represent a significant amount all over the world.

Author(s): 
László, Adám

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