Cryptotanshinone, a compound of Salvia miltiorrhiza inhibits pre-adipocytes differentiation by regulation of adipogenesis-related genes expression via STAT3 signaling
- Authors
- Rahman, Naimur; Jeon, Miso; Song, Ho-Yeon; Kim, Yong-Sik
- Issue Date
- 15-Jan-2016
- Publisher
- Elsevier BV
- Keywords
- Crypiolanshinoi; Adipogenesis; C/EBP beta; PPAR gamma; STAT3
- Citation
- Phytomedicine, v.23, no.1, pp 58 - 67
- Pages
- 10
- Journal Title
- Phytomedicine
- Volume
- 23
- Number
- 1
- Start Page
- 58
- End Page
- 67
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/9416
- DOI
- 10.1016/j.phymed.2015.12.004
- ISSN
- 0944-7113
- Abstract
- Background: Cryptotanshinone (CT), a major tanshinone found in Salvia rrtitliorrhiza Bunge (Lcniacecie), has various pharmacological effects such as antitumor, anti-inflammatory, and antioxidant properties. Despite its well-documented benefits in a wide range of diseases, the effect of CT on adipocyte differentiation has not been well characterized. Purpose: The present study was designed to determine the in vitro anti-adipogenic effect and underlying molecular mechanisms of CT using 3T3-L1 murine pre-adipocytes. Methods: We measured the levels of intracellular triglyceride accumulation and mRNA and protein expression of key adipogenic transcription factors and their target genes. Results: Treatment with CT drastically reduced lipid accumulation in a dose-and time-dependent manner. Molecular assays showed that CT effectively suppressed the expression of C/EBP beta, C/EBP alpha, and PPAR gamma and of theft target adipocyte-specific genes aP2, adiponectin, and GUIT4 but activated the expression of anti-adipogenic genes such as GATA2, CH0P10, and TNT-alpha. CT treatment also inhibited the phosphorylation of STAT3 in the early phase of adipogenesis. A small-interfering-RNA-mediated knockdown of STAT3 potentiated the anti-adipogenic effect of CT. Conclusion: Taken together, the results suggest that CT may be a good anti-adipogenic candidate because it regulates STAT3 during early adipogenesis. (C) 2015 Elsevier GmbH. All rights reserved.
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