Isoguaiacins, Arylnaphthalene Types Identified as Novel Potent Estrogenic Signaling Molecules from Larrea nitida
- Authors
- Jeong, Si-Yeon; Ahn, Hye-Na; Bae, Gyu-Un; Chang, Minsun; Liu, Xiyuan; Rhee, Hee-Kyung; Lee, Joongku; Chin, Young-Won; Oh, Sei-Ryang; Song, Yun Seon
- Issue Date
- Sep-2015
- Publisher
- 대한화학회
- Keywords
- Larrea nitida; Isoguaiacin; Phytoestrogen; Estrogen receptor
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.36, no.9, pp 2254 - 2259
- Pages
- 6
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 36
- Number
- 9
- Start Page
- 2254
- End Page
- 2259
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/10229
- DOI
- 10.1002/bkcs.10437
- ISSN
- 0253-2964
1229-5949
- Abstract
- In our study on the biological activities of isoguaiacins, we demonstrated lignans with a rigid structure from Larrea nitida as selective estrogen receptor modulators (SERMs). Estrogenic activity-guided isolation of the L. nitida extract led to the identification of four lignans compounds. All four lignans displayed high binding affinity for human estrogen receptor (hER) and as well as transcriptional activities for estrogen response element (ERE). Furthermore, arylnaphthalene type lignans 1 (5,6,7,8-tetrahydro-5-(3,4-dihydroxyphenyl)-6,7-dimethylnaphthalene-2,3-diol) and 2 (5,6,7,8-tetrahydro-5-(4-hydroxy-3-methoxyphenyl)-6,7-dimethylnaphthalene-2,3-diol) showed especially high potencies for ER and ERE with IC50 of 0.045 and 0.85M, respectively. Arylnaphthalene type lignans 1 and 2 and bibenzyl butane type lignans 3 (4-(4-(4-hydroxyphenyl)-2,3-dimethylbutyl) benzene-1,2-diol) increased the proliferation of MCF-7 cells and the ER target gene pS2. Our results indicate that the four active lignans have selective affinities for hER and exhibit SERM properties. For the first time, we have discovered the estrogenic activities of isoguaiacins from L. nitida, which are promising candidates for the treatment of estrogen-related conditions and warrant further preclinical evaluation.
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