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자료유형
학술저널
저자정보
저널정보
한국실험동물학회 Laboratory Animal Research Laboratory Animal Research Vol.25 No.4
발행연도
2009.12
수록면
377 - 383 (7page)

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Menopause is a natural phenomenon as women age and estrogen levels decline. Estrogen deficiency is the primary cause of menopause. Hormone replacement therapy with estrogen is a popular preventive therapy for prevention and treatment of menopause syndrome. Consequently, EstroG-200 was developed for a hormone replacement therapy. EstroG-200 is a mixture-extract of 3 herbs composed of dried radix of Angelica gigas, Cynanchum wilfordii and Phlomis umbrosa. This study was performed to evaluate the potential subchronic toxicity of EstroG-200 in Sprague-Dawley rats. EstroG-200 was administered once daily by oral gavage to male and female rats at dose levels of 0, 250, 500, and 1,000 ㎎/㎏/day. All rats were sacrificed after 13 weeks of dosing. No adverse treatment related effects were evident in any parameters evaluated; clinical signs, mortality, body weights, food consumption, ophthalmoscopy, urinalysis, hematology, serum biochemistry, necropsy findings, organ weights, and histopathological evaluations at any dose level. There were no indications of any adverse effects in any tissues, organs or organ systems. The no-observed-effect level (NOEL) was considered to be ≥1,000 ㎎/㎏/day for both sexes under the conditions of this study.

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Materials and Methods
Results
Discussion
Acknowledgment
References

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