DimethylacrylshikoninCAS# 23444-70-4 |
- Beta,beta-Dimethylacrylalkannin
Catalog No.:BCN2767
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- Isoarnebin I
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Quality Control & MSDS
3D structure
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| Cas No. | 23444-70-4 | SDF | Download SDF |
| PubChem ID | 32465 | Appearance | Powder |
| Formula | C21H22O6 | M.Wt | 370.39 |
| Type of Compound | Quinones | Storage | Desiccate at -20°C |
| Synonyms | 5162-01-6;Arnebin 1;Dmask;Beta, beta-dimethylacrylshikonin | ||
| Solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. | ||
| Chemical Name | [1-(5,8-dihydroxy-1,4-dioxonaphthalen-2-yl)-4-methylpent-3-enyl] 3-methylbut-2-enoate | ||
| SMILES | CC(=CCC(C1=CC(=O)C2=C(C=CC(=C2C1=O)O)O)OC(=O)C=C(C)C)C | ||
| Standard InChIKey | BATBOVZTQBLKIL-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C21H22O6/c1-11(2)5-8-17(27-18(25)9-12(3)4)13-10-16(24)19-14(22)6-7-15(23)20(19)21(13)26/h5-7,9-10,17,22-23H,8H2,1-4H3 | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | Dimethylacrylshikonin is a promising agent for developing an improved strategy for radiotherapy against tumors, it inhibits the proliferation of MCF-7 cells in vitro by inducing apoptosis through the downregulation of Bcl-2, upregulation of Bax and partial inactivation of the NF-κB pathway. Dimethylacrylshikonin inhibits agonist-induced relaxation at lower concentrations and induces vasocontraction at higher concentrations. |
| Targets | ROS | ERK | NF-kB | Bcl-2/Bax | Caspase | PARP | MEK | p38MAPK | Calcium Channel |
| In vitro | β,β-Dimethylacrylshikonin sensitizes human colon cancer cells to ionizing radiation through the upregulation of reactive oxygen species.[Pubmed: 24932238]Oncol Lett. 2014 Jun;7(6):1812-1818.Shikonin, a naphthoquinone derivative, has been shown to possess antitumor activity. Inhibitory effects of β,β-dimethylacrylshikonin on hepatocellular carcinoma in vitro and in vivo.[Pubmed: 22109831]Phytother Res. 2012 May;26(5):764-71.Dimethylacrylshikonin is one of the most abundant naphthoquinones in the root extracts of Lithospermum erythrorhizon Sieb. et Zucc. (Boraginaceae), which have been reported to have antitumor effects. Impairment of vascular function of rat thoracic aorta in an endothelium-dependent manner by shikonin/alkannin and derivatives isolated from roots of Macrotomia euchroma.[Pubmed: 14765288 ]Planta Med. 2004 Jan;70(1):23-8.
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| In vivo | β,β-Dimethylacrylshikonin exerts antitumor activity via Notch-1 signaling pathway in vitro and in vivo.[Pubmed: 22634048]Biochem Pharmacol. 2012 Aug 15;84(4):507-12.Dimethylacrylshikonin (DA) is a major component of Radix Lithospermum erythrorhizon and has various biological activities.We have investigated the inhibitory effect of Dimethylacrylshikonin on the growth of hepatocellular carcinoma in vitro and in vivo. Notch signaling plays a critical role in maintaining the balance between cell proliferation, differentiation and apoptosis. Hence, perturbed Notch signaling may contribute to tumorigenesis. |
| Kinase Assay | β,β-Dimethylacrylshikonin induces mitochondria dependent apoptosis through ERK pathway in human gastric cancer SGC-7901 cells.[Pubmed: 22848597 ]PLoS One. 2012;7(7):e41773.Dimethylacrylshikonin, one of the active components in the root extracts of Lithospermum erythrorhizon, posses antitumor activity. |
| Cell Research | β, β-Dimethylacrylshikonin induces mitochondria-dependent apoptosis of human lung adenocarcinoma cells in vitro via p38 pathway activation.[Pubmed: 25434989]Acta Pharmacol Sin. 2015 Jan;36(1):131-8. Dimethylacrylshikonin (DMAS) is an anticancer compound extracted from the roots of Lithospermum erythrorhizon. In the present study, we investigated the effects of Dimethylacrylshikonin on human lung adenocarcinoma cells in vitro and explored the mechanisms of its anti-cancer action. |
Dimethylacrylshikonin Dilution Calculator
Dimethylacrylshikonin Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 2.6999 mL | 13.4993 mL | 26.9986 mL | 53.9971 mL | 67.4964 mL |
| 5 mM | 0.54 mL | 2.6999 mL | 5.3997 mL | 10.7994 mL | 13.4993 mL |
| 10 mM | 0.27 mL | 1.3499 mL | 2.6999 mL | 5.3997 mL | 6.7496 mL |
| 50 mM | 0.054 mL | 0.27 mL | 0.54 mL | 1.0799 mL | 1.3499 mL |
| 100 mM | 0.027 mL | 0.135 mL | 0.27 mL | 0.54 mL | 0.675 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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Inhibitory effects of beta,beta-dimethylacrylshikonin on hepatocellular carcinoma in vitro and in vivo.[Pubmed:22109831]
Phytother Res. 2012 May;26(5):764-71.
beta,beta-Dimethylacrylshikonin is one of the most abundant naphthoquinones in the root extracts of Lithospermum erythrorhizon Sieb. et Zucc. (Boraginaceae), which have been reported to have antitumor effects. This study evaluated the antiproliferative activity of beta,beta-Dimethylacrylshikonin on human hepatocellular carcinoma (HCC) cells both in vitro and in vivo. In vitro, the MTT assay showed that beta,beta-Dimethylacrylshikonin inhibited the proliferation of SMMC-7721 cells in both dose- and time-dependent manners with its 50% inhibitory concentration (IC(50) ) at 48 h being 15.01 +/- 0.76 microg/mL. Terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end-labeling (TUNEL) and Hoechst staining detected the characteristics of cell apoptosis in beta,beta-Dimethylacrylshikonin-treated cells and the apoptotic rates of treated groups were increased in a dose-dependent manner. Flow cytometric analysis revealed that beta,beta-Dimethylacrylshikonin could block the cell cycle arrest at G2 phase. Furthermore, beta,beta-Dimethylacrylshikonin down-regulated the mRNA and protein expression of Bcl-2 but up-regulated that of Bax. The cleaved caspase-3 protein was also detected in treated cells. The experiment in vivo showed that beta,beta-Dimethylacrylshikonin significantly suppressed the growth of H(22) transplantable hepatoma, and induced the activation of caspase-3 determined by immunohistochemistry. The results indicate that beta,beta-Dimethylacrylshikonin has significant antitumor effects on hepatocellular carcinoma both in vitro and in vivo.
beta,beta-Dimethylacrylshikonin induces mitochondria dependent apoptosis through ERK pathway in human gastric cancer SGC-7901 cells.[Pubmed:22848597]
PLoS One. 2012;7(7):e41773.
beta,beta-Dimethylacrylshikonin, one of the active components in the root extracts of Lithospermum erythrorhizon, posses antitumor activity. In this study, we discussed the molecular mechanisms of beta,beta-Dimethylacrylshikonin in the apoptosis of SGC-7901 cells. beta,beta-Dimethylacrylshikonin reduced the cell viability of SGC-7901 cells in a dose- and time-dependent manner and induced cell apoptosis. beta,beta-Dimethylacrylshikonin treatment in SGC-7901 cells down-regulated the expression of XIAP, cIAP-2, and Bcl-2 and up-regulated the expression of Bak and Bax and caused the loss of mitochondrial membrane potential and release of cytochrome c. Additionally, beta,beta-Dimethylacrylshikonin treatment led to activation of caspases-9, 8 and 3, and cleavage of poly (ADP-ribose) polymerase (PARP), which was abolished by pretreatment with the pan-caspase inhibitor Z-VAD-FMK. beta,beta-Dimethylacrylshikonin induced phosphorylation of extracellular signal-regulated kinase (ERK) in SGC-7901 cells. U0126, a specific MEK inhibitor, blocked the ERK activation by beta,beta-Dimethylacrylshikonin and abrogated beta,beta-Dimethylacrylshikonin -induced apoptosis. Our results demonstrated that beta,beta-Dimethylacrylshikonin inhibited growth of gastric cancer SGC-7901 cells by inducing ERK signaling pathway, and provided a clue for preclinical and clinical evaluation of beta,beta-Dimethylacrylshikonin for gastric cancer therapy.
beta,beta-Dimethylacrylshikonin sensitizes human colon cancer cells to ionizing radiation through the upregulation of reactive oxygen species.[Pubmed:24932238]
Oncol Lett. 2014 Jun;7(6):1812-1818.
Shikonin, a naphthoquinone derivative, has been shown to possess antitumor activity. In the present study, the effects of shikonin and its analog, beta,beta-Dimethylacrylshikonin, were investigated as radiosensitizers on the human colon cancer cell line, HCT-116. Shikonin and, to a greater extent, its analog-induced apoptosis of HCT-116 cells further synergistically potentiated the induction of apoptosis when combined with ionizing radiation (IR) treatment. Shikonins also stimulated an increase in reactive oxygen species (ROS) production and IR-induced DNA damage. Pre-treatment with the ROS scavenger, N-acetylcysteine, suppressed the enhancement of IR-induced DNA damage and apoptosis stimulated by shikonins, indicating that shikonins exert their radiosensitizing effects through ROS upregulation. The radiosensitizing effect of shikonins was also examined in vivo using the xenograft mouse model. Consistent with the in vitro results, injection of beta,beta-Dimethylacrylshikonin combined with IR treatment significantly suppressed tumor growth of the HCT-116 xenograft. Taken together, the results show that beta,beta-Dimethylacrylshikonin is a promising agent for developing an improved strategy for radiotherapy against tumors.
Impairment of vascular function of rat thoracic aorta in an endothelium-dependent manner by shikonin/alkannin and derivatives isolated from roots of Macrotomia euchroma.[Pubmed:14765288]
Planta Med. 2004 Jan;70(1):23-8.
The effects of a naphthoquinone analogue, shikonin/alkannin (SA) and derivatives (acetylshikonin and beta,beta-Dimethylacrylshikonin), on vascular reactivity were studied with isolated rat aortic rings. At lower concentrations, SA and its derivatives concentration-dependently inhibit the agonist-induced (acetylcholine and histamine) relaxation in PE precontracted aorta in an endothelium-dependent manner with IC (50) values ranging from 0.2 to 1.5 microM. In addition to the effect on agonist-induced vasorelaxation, the Ca (2+) ionophore A23187-induced vasorelaxation was also inhibited or reversed by SA. However, SA had no effect on sodium nitroprusside-induced (guanylate cyclase activator) vasorelaxation. These data suggested that SA and its derivatives might be acting as inhibitors of nitric oxide synthesis in endothelium. At a concentration greater than 10 microM, SA induced contraction of intact but not denuded aorta which could be inhibited by prior treatment with indomethacin, a cyclooxygenase inhibitor. In summary, the results from this study showed that SA and its derivatives inhibited agonist-induced relaxation at lower concentrations and induced vasocontraction at higher concentrations. All the effects seen with SA were endothelium-dependent, however, through different mechanisms. Abbreviations. SA:shikonin/alkannin PE:phenylephrine Ach:acetylcholine SNP:sodium nitroprusside eNOS:endothelial nitric oxide synthase L-NAME: Nw-nitro- L-arginine methyl ester
beta, beta-Dimethylacrylshikonin induces mitochondria-dependent apoptosis of human lung adenocarcinoma cells in vitro via p38 pathway activation.[Pubmed:25434989]
Acta Pharmacol Sin. 2015 Jan;36(1):131-8.
AIM: beta, beta-Dimethylacrylshikonin (DMAS) is an anticancer compound extracted from the roots of Lithospermum erythrorhizon. In the present study, we investigated the effects of DMAS on human lung adenocarcinoma cells in vitro and explored the mechanisms of its anti-cancer action. METHODS: Human lung adenocarcinoma A549 cells were tested. Cell viability was assessed using an MTT assay, and cell apoptosis was evaluated with flow cytometry and DAPI staining. The expression of the related proteins was detected using Western blotting. The mitochondrial membrane potential was measured using a JC-1 kit, and subcellular distribution of cytochrome c was analyzed using immunofluorescence staining. RESULTS: Treatment of A549 cells with DMAS suppressed the cell viability in dose- and time-dependent manners (the IC50 value was 14.22 and 10.61 mumol/L, respectively, at 24 and 48 h). DMAS (7.5, 10, and 15 mumol/L) dose-dependently induced apoptosis, down-regulated cIAP-2 and XIAP expression, and up-regulated Bax and Bak expression in the cells. Furthermore, DMAS resulted in loss of mitochondrial membrane potential and release of cytochrome c in the cells, and activated caspase-9, caspase-8, and caspase-3, and subsequently cleaved PARP, which was abolished by pretreatment with Z-VAD-FMK, a pan-caspase inhibitor. DMAS induced sustained p38 phosphorylation in the cells, while pretreatment with SB203580, a specific p38 inhibitor, blocked DMAS-induced p38 activation and apoptosis. CONCLUSION: DMAS inhibits the growth of human lung adenocarcinoma A549 cells in vitro via activation of p38 signaling pathway.
beta,beta-Dimethylacrylshikonin exerts antitumor activity via Notch-1 signaling pathway in vitro and in vivo.[Pubmed:22634048]
Biochem Pharmacol. 2012 Aug 15;84(4):507-12.
beta,beta-Dimethylacrylshikonin (DA) is a major component of Radix Lithospermum erythrorhizon and has various biological activities. We have investigated the inhibitory effect of DA on the growth of hepatocellular carcinoma in vitro and in vivo. Notch signaling plays a critical role in maintaining the balance between cell proliferation, differentiation and apoptosis. Hence, perturbed Notch signaling may contribute to tumorigenesis. In the present study, we evaluated whether DA could be an effective inhibitor on cell growth in human gastric cancer cell line, and also the molecular mechanisms. Using multiple cellular and molecular approaches such as MTT assay, colony formation assay, DAPI staining, flow cytometry, real-time PCR and Western blot analysis, we found that DA inhibited cell growth in a dose- and time-dependent manner. Biochemical analysis revealed the involvement of cell cycle regulated proteins in DA-mediated of G(0)-G(1) arrest of SGC-7901 cells. Furthermore, DA treatment led to reduced Notch-1 activation, expression of Jagged-1 and its downstream target Hes-1 in vitro and in vivo. Our data demonstrated that DA is a potent inhibitor of progression of gastric cancer cells, which could be due to attenuation of Notch-1. We also suggest that DA could be further developed as a potential therapeutic agent for the treatment of gastric cancer.
