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Huang K.-E.,Center for Menopause and Reproductive Medicine Research | Xu L.,Chinese Academy of Sciences | I N.N.,Universiti Sains Islam Malaysia | Jaisamrarn U.,Chulalongkorn University
Maturitas | Year: 2010

Objective: To provide current insights into the opinions, attitudes, and knowledge of menopausal women in Asia regarding menopause and hormone replacement therapy (HRT). Study design: Cross-sectional. Main outcome measures: Between January 2006 and February 2006, 1000 postmenopausal women from China, Malaysia, Taiwan, Thailand and Hong Kong were interviewed to determine postmenopausal symptoms, HRT use and knowledge, breast discomfort and knowledge of breast cancer risks, and sexual function. Results: Almost all women reported experiencing postmenopausal symptoms. Sleeplessness (42%) was reported as the main reason for seeking treatment. On average, 54% of women were aware of HRT, despite the fact that most (38%) were unable to mention any associated benefits. Most women had used natural or herbal treatments (37%) for the alleviation of menopausal symptoms. Only 19% had received HRT. 27% of respondents reported having breast discomfort, while 70% reported performing self-breast examinations. 53% of women had never received a mammogram, despite breast cancer concern (50%). 24% of women described HRT as being a risk factor for breast cancer. Most women and their partners reported no reductions in sexual function (66 and 51%, respectively), while 90% of respondents did not seek treatment for reduced sexual function. In the event of sexual dysfunction, 33% of women replied that they would be willing to seek treatment. Conclusions: Many Asian women experience postmenopausal symptoms that are often left untreated (due to the acceptance of menopause as a natural process) or treated with herbal/natural remedies. There was a general lack of knowledge among these women regarding treatment options, HRT, and possible risks associated with HRT. A more concerted effort should be made to better disseminate information regarding the pathogenesis and risk factors associated with breast cancer, menopause, and menopausal symptoms to Asian women. © 2009 Elsevier Ireland Ltd. All rights reserved. Source

Huang K.-E.,Center for Menopause and Reproductive Medicine Research | Baber R.,University of Sydney
Climacteric | Year: 2010

Tibolone, which is indicated for the relief of climacteric symptoms and the prevention of osteoporosis in postmenopausal women, has a tissue-specific mode of action different to that of conventional hormone replacement therapy (HRT). A large proportion of Asian postmenopausal women experience symptoms that most frequently include musculoskeletal pain, insomnia, forgetfulness, hot flushes and sexual dysfunction, and there is a need to address their specific requirements. Recent studies show that, in comparison to HRT, tibolone is as effective in alleviating menopausal symptoms and preventing bone loss, has a greater positive effect on sexual dysfunction and is associated with less vaginal bleeding, but it is rarely mentioned in guidelines for menopausal treatment. Levels of awareness amongst women about treatments for menopausal symptoms vary between Asian countries but, even in countries where awareness is high, HRT usage is much lower than in the West. To provide a practical approach to the use of tibolone in Asian postmenopausal women, a panel of experts in the management of menopause from 11 Asia Pacific countries has developed recommendations for its use, based on the evidence from clinical studies published since 2005. However, as much of the clinical data reviewed are from international studies, the recommendations and the treatment algorithm presented here are widely applicable. © 2010 International Menopause Society. Source

Tsai M.-Y.,Center for Menopause and Reproductive Medicine Research | Tsai M.-Y.,Chang Gung University | Shyr C.-R.,China Medical University at Taichung | Kang H.-Y.,Center for Menopause and Reproductive Medicine Research | And 7 more authors.
Biochemical and Biophysical Research Communications | Year: 2011

Male mice with androgen receptor knock-out (ARKO) show significant bone loss at a young age. However, the lasting effect of AR inactivation on bone in aging male mice remains unclear. We designed this study to evaluate the effect of AR on bone quality in aging male mice and to find the possible causes of AR inactivation contributing to the bone loss. The mice were grouped according to their ages and AR status and their trabecular bones were examined by micro-CT analysis at 6, 12, 18, and 30. weeks old. We found that bone mass consistently decreased and the bone microarchitectures continuously deteriorated in male ARKO mice at designated time points. To determine the cause of the bone loss in ARKO mice, we further examined the role of AR in bone cell fate decision and differentiation and we conducted experiments on bone marrow stromal cells (BMSC) obtained from wild type (WT) and AR knockout (KO) mice. We found that ARKO mice had higher numbers of colony formation unit-fibroblast (CFU-F), and CD44 and CD34 positive cells in bone marrow than WT mice. Our Q-RT-PCR results showed lower expression of genes linked to osteogenesis in BMSCs isolated from ARKO mice. In conclusion, AR nullification disrupted bone microarchitecture and caused trabecular bone mass loss in male ARKO mice. And the fate of BMSCs was impacted by the loss of AR. Therefore, these findings suggest that AR may accelerate the use of progenitor cells and direct them into osteogenic differentiation to affect bone metabolism. © 2011 Elsevier Inc. Source

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