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P-Glycoprotein Inhibitory Activity of Indonesian Medicinal Plants in Human Breast Cancer Cells
Hyang Rim Kim,Soo Yeon Chung,Yeon-Hee Jeong,Eun Jung Go,한아름,Na Hyung Kim,Min KyungSung,Gina Song,Jung Ok Jang,남주원,Hwa Jeong Lee,서은경 한국생약학회 2004 Natural Product Sciences Vol.10 No.6
In order to examine their effects on the P-glycoprotein (P-gp) activity in human breast cancer cels,Calotropis gigantea, Curcuma aeruginosa, Merremia mammosa, Sindora sumatrana, and Zingiber casumunar,showed the most potent P-gp inhibitory activity. When each of these extracts was treated together with theanticancer agent, daunomycin, they increased the cytotoxic activity of daunomycin up to IC50 values of les than6.62 M, which is a value with a positive control, verapamil. Also, other 15 plant extracts exhibited significant P-50 values betwen 6.62 and 13.20 M. These prospective samples wil be subjectedto further laboratory phytochemical investigation to find active principles.Keywords . . . . . . .
Cytotoxic Constituents from the Whole Plant of Corydalis pallida
Kim Hyang Rim,Min Hye-Young,Jeong Yeon Hee,Lee Sang Kook,Lee Nam Sook,Seo Eun-Kyoung The Pharmaceutical Society of Korea 2005 Archives of Pharmacal Research Vol.28 No.11
Here we report the cytotoxic activity of three known compounds isolated for the first time from Corydalis pallida (Papaveraceae). An isoquinoline alkaloid, berberine, exhibited cytototoxic activity against two human cancer cell lines, HT-1080 (human fibrosarcoma) and SNU-638 (human stomach adenocarcinoma), with $IC_{50}$ values of 3.2 and 3.4 $\mu$g/mL, respectively. Ntrans-feruloyltyramine and N-trans-feruloylmethoxytyramine were also isolated from this plant but were inactive.
감자 주요 품종의 괴경 부위, 저장기간별 글리코알칼로이드(glycoalkaloid) 함량
김율호(Yul-Ho Kim),김금희(Guem Hee Kim),지혜림(Hye Rim Ji),이유영(Yu-Young Lee),박향미(Hyang-Mi Park),권오근(Oh-Keun Kwon),김수정(Su Jeong Kim),손황배(Whang-Bae Sohn),진용익(Yong-Ik Jin),홍수영(Su-Young Hong),남정환(Jeong-Hwan Nam),권 한국육종학회 2014 한국육종학회지 Vol.46 No.3
Potato glycoalkaloids (PGAs) are potentially toxic to humans at high levels, and current safety regulations have recommended that PGAs content in tubers of potato cultivars should not exceed 20 mg/100gFW. Accordingly, it is important to determine the PGAs composition and level on potato cultivars for food safety and the breeding for new cultivars with low levels of PGAs. The main aim of this study was to evaluate α-chaconine, α-solanine, and total PGAs content in the peel and cortex portions in four recent cultivars (‘Haryoung’, ‘Goun’, ‘Hongyoung’ and ‘Jayoung’), released by Highland Agriculture Research Center, together with ‘Superior’ and ‘Atlantic’. The total PGAs ranged from 16.5 to 47.7 mg/100gFW. The α-solanine/α-chaconine ratio was 1:3.2 (‘Jayoung’), 1:3.5 (‘Hongyoung’) and 1:2 (‘Superior’), whereas α-solanine was not detected in ‘Goun’, ‘Atlantic’ and ‘Hongyoung’ under the analytical condition of this experiment. 75-94% of total PGAs was existed in the peel part of all cultivars. We selected two cultivars (‘Atlantic’ and ‘Goun’) showing lower PGAs content in the cortex part. During storage at 4°C, total PGAs content fluctuated widely in early stage of storage and stabilized gradually over time in ‘Hongyoung’, ‘Superior’ and ‘Jayoung’. Thus, through the selection of cultivars and storage conditions, these results will provide consumers and breeders with fundamental information about the content of PGAs in Korea major cultivars.
Middle East Respiratory Syndrome in 3 Persons, South Korea, 2015
Yang, Jeong-Sun,Park, SungHan,Kim, You-Jin,Kang, Hae Ji,Kim, Hak,Han, Young Woo,Lee, Han Saem,Kim, Dae-Won,Kim, A-Reum,Heo, Deok Rim,Kim, Joo Ae,Kim, Su Jin,Nam, Jeong-Gu,Jung, Hee-Dong,Cheong, Hyang- U.S. Department of Health and Human Services * Cen 2015 Emerging Infectious Diseases Vol.21 No.11
<P>In May 2015, Middle East respiratory syndrome coronavirus infection was laboratory confirmed in South Korea. Patients were a man who had visited the Middle East, his wife, and a man who shared a hospital room with the index patient. Rapid laboratory confirmation will facilitate subsequent prevention and control for imported cases.</P>