Search Results - "Ok Pyo Zee"

Agrimonia eupatoria protects against chronic ethanol-induced liver injury in rats by Yoon, Seong-Jin, Koh, Eun-Ji, Kim, Chang-Soo, Zee, Ok-Pyo, Kwak, Jong-Hwan, Jeong, Won-Jin, Kim, Jee-Hyun, Lee, Sun-Mee

“…► We examined the effects of Agrimonia eupatoria (AE) in ethanol-induced liver injury. ► AE reduced the ethanol-induced oxidative stress. ► AE suppressed…”
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Direct analysis for the distribution of toxic glycoalkaloids in potato tuber tissue using matrix-assisted laser desorption/ionization mass spectrometric imaging by Ha, Miyoung, Kwak, Jong Hwan, Kim, Yangsun, Zee, Ok Pyo

“…► For the first time, MALDI-MSI method was developed for detection and spatial distribution of glycoalkaloids. ► The uniform matrix coating method was…”
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Development of a Matrix-prespotted Plate for Enhancing the Reproducibility of Serum Glycan Analysis by MALDI-TOF-MS by Miyoung Ha, Youngha In, Hyesun Maeng, Ok Pyo Zee, Jongsik Lee, Yangsun Kim

“…Matrix Assisted Laser Desorption/Ionization-Time-of-Flight mass spectrometry (MALDI-TOF-MS) is the mostwidely used MS technique for glycan analysis. However,…”
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Regulation Effect of 2′,4′,7-Trihydroxyisoflavone on the Expression of Matrix Metalloproteinase-1, 2 in Ultraviolet-B Irradiated Primary Cultured Old Aged Human Skin Fibroblasts by Moon, Hyung In, Kwak, Jong Hwan, Zee, Ok Pyo, Chung, Jin Ho

“…Long term and repeated exposure of UV light on the skin often induces chronic skin diseases such as skin cancer as well as photoaging, and the mechanisms of…”
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A Glycosidic Isoflavonoid from Viola hondoensis W. BECKER et H. BOISSIEU (Violaceae), and Its Effect on the Expression of Matrix Metalloproteinase-1 Caused by Ultraviolet Irradiation in Cultured Human Skin Fibroblasts by Moon, Hyung In, Lee, Joongku, Zee, Ok Pyo, Chung, Jin Ho

“…Isolation of the ethyl acetate soluble fraction from aerial parts of Viola hondoensis W. BECKER et H. BOISSIEU yielded one major isoflavonoid glycoside,…”
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Isoflavonoid from Viola hondoensis, Regulates the Expression of Matrix Metalloproteinase-1 in Human Skin Fibroblasts by Moon, Hyung-In, Lee, Joongku, Kwak, Jong Hwan, Zee, Ok-Pyo, Chung, Jin Ho

“…Long term and repeated exposure of ultraviolet (UV) light, a harmful environmental stress, on the skin often induces chronic skin diseases such as skin cancer…”
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Cytotoxic phenolic compounds from Chionanthus retusus by Kwak, Jong Hwan, Kang, Min Woo, Roh, Jong Hwa, Choi, Sang Un, Zee, Ok Pyo

“…Cytotoxicity-guided fractionation and purification of MeOH extract from Chionanthus retusus Lindl. et Paxton resulted in the isolation of compounds. Fourteen…”
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effect of flavonol glycoside on the expressions of matrix metalloproteinase-1 in ultraviolet-irradiated cultured human skin fibroblasts. [Retraction: 2008 Apr. 17, v. 117, no. 1, p. 180.] by Moon, H.I, Lee, J, Zee, O.P, Chung, J.H

“…Long-term and repeated exposure of ultraviolet (UV) light, a harmful environmental stress, on the skin often induces chronic skin diseases, such as skin cancer…”
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Evaluation of oriental medicinal herbs for estrogenic and antiproliferative activities by Kang, Se Chan, Lee, Chang Min, Choi, Han, Lee, Jae Hyun, Oh, Joa Sub, Kwak, Jong Hwan, Zee, Ok Pyo

“…Herb extracts commercially used in Asia were screened for their estrogenic activity with a recombinant yeast system with both a human estrogen receptor (ER)…”
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Sorphinol C, a New Free-Radical Seavenger from Sorangium cellulosum by Xue Mei Li, Tae Kyung Yu, Jong Hwan Kwak, Byoung Yil Son, Young Wan Seo, Ok Pyo Zee

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A New Cyanogenic Glycoside from Sorbaria sorbifolia var. stellipila by KIM, Dae Keun, ZEE, Ok Pyo

“…A new cyanogenic glycoside, sutherlandin-5-trans-p-coumarate was isolated along with a known cardiospermin-5-(4-hydroxy) benzoate from the aerial parts of…”
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Development of a Matrix-prespotted Plate for Enhancing the Reproducibility of Serum Glycan Analysis by MALDI-TOF-MS by Ha, Mi-Young, In, Young-Ha, Maeng, Hye-Sun, Zee, Ok-Pyo, Lee, Jong-Sik, Kim, Yang-Sun

“…Matrix Assisted Laser Desorption/Ionization-Time-of-Flight mass spectrometry (MALDI-TOF-MS) is the most widely used MS technique for glycan analysis. However,…”
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A concise synthesis of (−)-cytoxazone and (−)-4- epi-cytoxazone using chlorosulfonyl isocyanate by Kim, In Su, Kim, Ji Duck, Ryu, Chae Baek, Zee, Ok Pyo, Jung, Young Hoon

“…A concise synthesis of (−)-cytoxazone and its stereoisomer (−)-4- epi-cytoxazone, novel cytokine modulators, has been accomplished each in six steps from…”
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Anti-proliferative effects of estrogen receptor-modulating compounds isolated from Rheum palmatum by Kang, Se Chan, Lee, Chang Min, Choung, Eui Su, Bak, Jong Phil, Bae, Jong Jin, Yoo, Hyun Sook, Kwak, Jong Hwan, Zee, Ok Pyo

“…The Rheum palmatum L., a traditional medicine in Korea, was screened for their estrogenic activity in a recombinant yeast system with a human estrogen receptor…”
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Anti-oxidative Activities of 3'-Hydroxygenkwanin from the Flower Buds of Daphne genkwa in Caenorhabditis elegans by Sung Hoon Park, Xun Cui, Dal Rae Ahn, Eun Byeol Lee, Dong Seok Cha, Hoon Jeon, Ok Pyo Zee, Youn Chul Kim, Dae Keun Kim

“…In the course of screening for antioxidant compounds from natural plants in Korea by measuring the radical scavenging effect, a methanol extract of the flower…”
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Deprotection of benzyl and p-methoxybenzyl ethers by chlorosulfonyl isocyanate–sodium hydroxide by Kim, Ji Duck, Han, Gyoonhee, Zee, Ok Pyo, Jung, Young Hoon

“…CSI–NaOH procedure provided a new and mild methodology for the deprotection of benzyl and p-methoxybenzyl ethers without affecting the other functional groups…”
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Synthesis of psoralen derivatives and their blocking effect of hKv1.5 channel by Eun, Jae Soon, Kim, Kwang Sik, Kim, Han Na, Park, Seon Ah, Ma, Tian-Ze, Lee, Kyung A, Kim, Dae Keun, Kim, Hyung Kyo, Kim, In Su, Jung, Young Hoon, Zee, Ok Pyo, Yoo, Dong Jin, Kwak, Yong Geun

“…Previously, we found that a furocoumarin derivative, psoralen (7H-furo[3,2-g][1]benzopyran-7-one), blocked a human Kv1.5 potassium channel (hKv1.5) and has a…”
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Soraphinol C, a new free-radical scavenger from Sorangium cellulosum by Li, Xuemei (Sungkyunkwan University, Suwon, Republic of Korea), Yu, T.K. (Korea Maritime University, Busan, Republic of Korea), Kwak, J.H. (Sungkyunkwan University, Suwon, Republic of Korea), Son, B.Y. (Korea Maritime University, Busan, Republic of Korea), Seo, Y.W. (Korea Maritime University, Busan, Republic of Korea), Zee, O.P. (Sungkyunkwan University, Suwon, Republic of Korea), Ahn, J.W. (Korea Maritime University, Busan, Republic of Korea), E-mail: jwahn@hhu.ac.kr

“…A new compound named soraphinol C (1) was isolated from myxobacteria Sorangium cellulosum KM1001 a soil isolate, together with a structurally related known…”
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Triterpenoid saponin from Viola hondoensis W. Becker et H Boss. and their effect on MMP-1 and type I procollagen expression by Moon, Hyung-In, Chung, Jin Ho, Lee, Joong-Ku, Zee, Ok-Pyo

“…Bioassay-guided fractionation has led to the isolation of triterpenoid saponins such as Acutoside A (3-omicron-[omicron-beta-D-glucopyranosyl-(1 -->…”
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Triterpenoid from Tiarella polyphylla, regulation of type 1 procollagen and MMP-1 in ultraviolet irradiation of cultured old age human dermal fibroblasts by Moon, Hyung-In, Lee, Joongku, Zee, Ok Pyo, Chung, Jin Ho

“…Although many studies have been performed to elucidate the molecular consequences of ultraviolet irradiation, little is known about the effect of natural…”
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