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白藜芦醇(Resveratrol)

抗氧化剂;COX-1抑制剂

产品号 #(选择产品)

产品号 #72862_C

抗氧化剂;COX-1抑制剂

总览

白藜芦醇是一种强效的酚类抗氧化剂,存在于葡萄和红酒中,同时具有抗增殖和抗炎活性(Rotondo et al.)。白藜芦醇也是环氧合酶-1 (COX-1)的选择性抑制剂,ED₅₀值为15 μM(Jang)。

维持和自我更新
·抑制猪前脂肪细胞向脂肪细胞的分化(Bai et al.)。
·促进人间充质干细胞的自我更新(Peltz et al.)。

分化
·诱导人骨髓来源的间充质干细胞培养的成骨分化(Boissy et al.; Dai et al.; Peltz et al.)。
·在小鼠间充质干细胞和大鼠骨髓原代细胞中,诱导成骨细胞分化并抑制脂肪细胞形成(Bäckesjö et al.)。

细胞类型
间充质干/祖细胞,成骨细胞
 
种属
人,小鼠,非人灵长类,其它细胞系,大鼠
 
应用
分化,培养
 
研究领域
干细胞生物学
 
CAS 编号
501-36-0
 
化学式
C₁₄H₁₂O₃
 
纯度
≥98%
 
靶点
COX-1
 

产品说明书及文档

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Document Type
Product Name
Catalog #
Lot #
Language
Product Name
Resveratrol
Catalog #
72864, 72862
Lot #
All
Language
English
Document Type
Safety Data Sheet
Product Name
Resveratrol
Catalog #
72864, 72862
Lot #
All
Language
English

应用领域

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相关材料与文献

技术资料 (2)

文献 (7)

Resveratrol exerts dosage and duration dependent effect on human mesenchymal stem cell development. Peltz L et al. PloS one 2012 JAN

Abstract

Studies in the past have illuminated the potential benefit of resveratrol as an anticancer (pro-apoptosis) and life-extending (pro-survival) compound. However, these two different effects were observed at different concentration ranges. Studies of resveratrol in a wide range of concentrations on the same cell type are lacking, which is necessary to comprehend its diverse and sometimes contradictory cellular effects. In this study, we examined the effects of resveratrol on cell self-renewal and differentiation of human mesenchymal stem cells (hMSCs), a type of adult stem cells that reside in a number of tissues, at concentrations ranging from 0.1 to 10 µM after both short- and long-term exposure. Our results reveal that at 0.1 µM, resveratrol promotes cell self-renewal by inhibiting cellular senescence, whereas at 5 µM or above, resveratrol inhibits cell self-renewal by increasing senescence rate, cell doubling time and S-phase cell cycle arrest. At 1 µM, its effect on cell self-renewal is minimal but after long-term exposure it exerts an inhibitory effect, accompanied with increased senescence rate. At all concentrations, resveratrol promotes osteogenic differentiation in a dosage dependent manner, which is offset by its inhibitory effect on cell self-renewal at high concentrations. On the contrary, resveratrol suppresses adipogenic differentiation during short-term exposure but promotes this process after long-term exposure. Our study implicates that resveratrol is the most beneficial to stem cell development at 0.1 µM and caution should be taken in applying resveratrol as an anticancer therapeutic agent or nutraceutical supplement due to its dosage dependent effect on hMSCs.
Activation of Sirt1 decreases adipocyte formation during osteoblast differentiation of mesenchymal stem cells. Bä et al. Cells, tissues, organs 2009 JAN

Abstract

Mesenchymal stem cells (MSC) can differentiate into osteoblasts, adipocytes, chondrocytes and myoblasts. It has been suggested that a reciprocal relationship exists between the differentiation of MSC into osteoblasts and adipocytes. Peroxisome proliferator-activated receptor gamma2 (PPARgamma2) is a key element for the differentiation into adipocytes. Activation of the nuclear protein deacetylase Sirt1 has recently been shown to decrease adipocyte development from preadipocytes via inhibition of PPARgamma2. In vitro, MSC differentiate to osteoblasts when exposed to bone-inducing medium. However, adipocytes are also developed. In the present study we have targeted Sirt1 to control adipocyte development during differentiation of MSC into osteoblasts. The finding that resveratrol and isonicotinamide markedly inhibited adipocyte and promoted osteoblast differentiation demonstrates an interesting alternative to PPARgamma antagonists. These results are important for the evolving field of cell-based tissue engineering, but may also be relevant in the search for new treatments of osteoporosis.
Modulation of Sirt1 by resveratrol and nicotinamide alters proliferation and differentiation of pig preadipocytes. Bai L et al. Molecular and cellular biochemistry 2008 JAN

Abstract

Sirt1, a NAD(+)-dependent histone deacetylase, may regulate senescence, metabolism, and apoptosis. In this study, primary pig preadipocytes were cultured in DMEM/F12 medium containing 10% fetal bovine serum (FBS) with or without reagents affecting Sirt1 activity. The adipocyte differentiation process was visualized by light microscopy after Oil red O staining. Proliferation and differentiation of preadipocytes was measured using methylthiazolyldiphenyl-tetrazolium bromide (MTT) and Oil red O extraction. Expression of Sirt1, FoxO1, and adipocyte specific genes was detected with semi-quantitive RT-PCR. The results showed that Sirt1 mRNA was widely expressed in various pig tissues from different developmental stages. Sirt1 mRNA was expressed throughout the entire differentiation process of pig preadipocytes. Resveratrol significantly increased Sirt1 mRNA expression, but decreased the expression of FoxO1 and adipocyte marker gene PPARgamma2. Resveratrol significantly inhibited pig preadipocyte proliferation and differentiation. Nicotinamide decreased the expression of Sirt1 mRNA, but increased the expression of FoxO1 and adipocyte specific genes. Nicotinamide greatly stimulated the proliferation and differentiation of pig preadipocytes. In conclusion, these results indicate that Sirt1 may modulate the proliferation and differentiation of pig preadipocytes. Sirt1 may down-regulate pig preadipocytes proliferation and differentiation through repression of adipocyte genes or FoxO1.

更多信息

更多信息
种属 Human, Mouse, Non-Human Primate, Other, Rat
Cas Number 501-36-0
Chemical Formula C₁₄H₁₂O₃
纯度 ≥ 98%
Target COX-1
质量保证:

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