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- Title
Chemical constituents from the deep sea-derived Streptomyces xiamenensis MCCC 1A01570 and their effects on RXRα transcriptional regulation.
- Authors
Lin, Wei-Xiang; Xie, Chun-Lan; Zhou, Mi; Xia, Man-Li; Zhou, Ting-Ting; Chen, Hai-Feng; Yang, Xian-Wen; Yang, Quan
- Abstract
From the deep sea-derived Streptomyces xiamenensis MCCC 1A01570, eight cyclic dipeptides (1–8) and five phenolics (9–13) were obtained. Cyclo-(I-Pro-D-Leu) (4) could moderately promote the gene transcriptional function of nuclear receptor RXRα, while 2, 3, and 13 showed weak reduction in RXRα gene transcriptional activities induced by 9-cis-retinoid acid (RA). These compounds might have beneficial effects against intractable diseases with relation to RXRα, such as cancer and metabolic diseases, due to their potential activities on regulating the transcriptional activation function of RXRα. In addition, 1–6, 8, 10, and 12 (20 μM) showed mild in vitro cytotoxicity against three cancer cell lines of ECA-109, Hela-S3 and PANC-1 with the inhibition rates arranging from 50% to 65%.
- Subjects
STREPTOMYCES; DIPEPTIDES; METABOLIC disorders; CELL lines; CANCER cells; NUCLEAR receptors (Biochemistry)
- Publication
Natural Product Research, 2020, Vol 34, Issue 10, p1461
- ISSN
1478-6419
- Publication type
Academic Journal
- DOI
10.1080/14786419.2018.1508148