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한국의 아토피피부염 환자에서 혼합생약추출물 함유 로션의 효능에 대한 예비연구
손인평 ( In Pyeong Son ),임윤영 ( Yun Young Lim ),김형미 ( Hyeong Mi Kim ),김민영 ( Min Young Kim ),석장미 ( Jang Mi Suk ),김영희 ( Young Heui Kim ),김기호 ( Ki Ho Kim ),김범준 ( Beom Joon Kim ),김명남 ( Myeung Nam Kim ) 대한천식알레르기학회 2012 천식 및 알레르기 Vol.32 No.1
Background: The choice of topical agents is very important for patients with atopic dermatitis (AD) because mild to moderate AD-related symptoms and skin lesions could be significantly relieved with appropriate topical treatment. This study was performed to evaluate the effectineness of a mixed herbal extract lotion containing the extract of Sophorae Radix, Cinnamomi Cortex, Saururi Herba Seu Rhizoma and Aurantii Immaturus Fructus in relieving symptoms and skin lesions associated with AD. Methods: A total of 24 patients who were suffering mild to moderate AD applied topical lotions, i.e. the test lotion on the right antecubital fossa and the control lotion on the left antecubital fossa twice daily for up to 4 weeks. The treatment efficacy was evaluated by the measurement of skin hydration and trans-epidermal water loss (TEWL) on the same site at each visit. Additional evaluation methods were the investigator global assessment (IGA) and the visual analogue scale visual analogue scale for pruritus. Results: The test lotion-applied right antecubital fossa achieved more clinical improvement than the control lotion-applied left antecubital fossa. TEWL on the test side more significantly decreased than that on the control side after 4 weeks of lotion application. There were slightly more improvements in both the IGA and patient assessment of pruritus on the test side. Conclusion: Mixed herbal extract lotions containing the extracts of Sophorae Radix, Cinnamomi Cortex, Saururi Herba Seu Rhizoma and Aurantii Immaturus Fructus can relieve symptoms, such as pruritus, in AD patients. (Korean J Asthma Allergy Clin Immunol 2012;32:26-33)
황금추출물의 추출 방법에 따른 세포 독성 평가 및 피부 안전성 평가
김형미 ( Hyeong Mi Kim ),임윤영 ( Yun Young Lim ),조수묵 ( Soo Muk Cho ),김민영 ( Min Young Kim ),손인평 ( In Pyeong Son ),석장미 ( In Pyeong Son ),박진오 ( Jin Oh Park ),박종호 ( Jong Ho Park ),조재위 ( Jae We Cho ),김범준 ( Beom 대한피부과학회 2012 대한피부과학회지 Vol.50 No.11
Background: Scutellaria baicalensis Georgi extract is used as a traditional herbal medicine. The efficacy of Scutellaria baicalensis Georgi extract is known for antioxidative activity, antiinflammation effect, antibacterial effect, inhibitory effect of melanin synthesis, sun protection effect, antiallergy effect, and etc. Objective: We confirmed the cell viability or inhibitory effect of melanin synthesis in HaCaT (human keratinocyte cell line) and B16F10 (murine melanoma cell line) cells and the skin safety test through a clinical test (dermal irritation study) for Scutellaria baicalensis Georgi extract, according to the extraction methods. Methods: We checked the cell viability, using MTT assay and inhibitory effect of melanin synthesis in B16F10 cells or HaCaT cells for thirty one Scutellaria baicalensis Georgi extract, according to the extraction methods. Then, we evaluated the skin safety for selected eight Scutellaria baicalensis Georgi extract through a primary dermal irritation test. Results: Among the thirty one Scutellaria baicalensis Georgi extracts, according to the extraction methods, we selected eight Scutellaria baicalensis Georgi extracts that were not detected with cell toxicity in HaCaT cells and B16F10 cells, and could have inhibited the melanin synthesis in B16F10 cells. The selected eight Scutellaria baicalensis Georgi extracts identified the skin safety through a primary dermal irritation test. Conclusion: We expect clinical trials for whitening efficacy based on inhibitory effect of melanin synthesis and human skin safety for Scutellaria baicalensis Georgi extracts. (Korean J Dermatol 2012;50(11):959∼968)