4beta-Hydroxywithanolide E

4beta-Hydroxywithanolide E
Product Name 4beta-Hydroxywithanolide E
CAS No.: 54334-04-2
Catalog No.: CFN89289
Molecular Formula: C28H38O8
Molecular Weight: 502.60 g/mol
Purity: >=98%
Type of Compound: Steroids
Physical Desc.: Powder
Targets: p21 | HSP (e.g. HSP90) | COX | NF-kB | PARP
Source: The aerial parts of Physalis peruviana.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:
4beta-Hydroxywithanolide E(4bHWE) can inhibit the growth of colon cancer monolayer and spheroid cultures, it assert its anti-tumor activity in carcinogenic progression and develop into a dietary chemopreventive agent, it affects alternative splicing by modulating splicing factors and histone modifications.4bHWE is a useful natural anti-inflammatory compound to attenuate progression of diabetes and obesity, it decreases inflammatory responses by inhibiting the NF-κB signaling in diabetic mouse adipose tissue, it also can improve impaired glucose tolerance.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Sci Rep. 2017 Aug 4;7(1):7290.
    4β-Hydroxywithanolide E Modulates Alternative Splicing of Apoptotic Genes in Human Hepatocellular Carcinoma Huh-7 Cells.[Pubmed: 28779122 ]
    Alternative splicing is a mechanism for increasing protein diversity from a limited number of genes. Studies have demonstrated that aberrant regulation in the alternative splicing of apoptotic gene transcripts may contribute to the development of cancer.
    METHODS AND RESULTS:
    In this study, we isolated 4beta-Hydroxywithanolide E (4bHWE) from the traditional herb Physalis peruviana and investigated its biological effect in cancer cells. The results demonstrated that 4bHWE modulates the alternative splicing of various apoptotic genes, including HIPK3, SMAC/DIABLO, and SURVIVIN. We also discovered that the levels of SRSF1 phospho-isoform were decreased and the levels of H3K36me3 were increased in 4bHWE treatment. Knockdown experiments revealed that the splicing site selection of SMAC/DIABLO could be mediated by changes in the level of H3K36me3 in 4bHWE-treated cells. Furthermore, we extended our study to apoptosis-associated molecules, and detected increased levels of poly ADP-ribose polymerase cleavage and the active form of CASPASE-3 in 4bHWE-induced apoptosis. In vivo experiments indicated that the treatment of tumor-bearing mice with 4bHWE resulted in a marked decrease in tumor size.
    CONCLUSIONS:
    This study is the first to demonstrate that 4bHWE affects alternative splicing by modulating splicing factors and histone modifications, and provides a novel view of the antitumor mechanism of 4bHWE.
    Food Chem Toxicol. 2014 Mar;65:205-12.
    Non-homologous end joining pathway is the major route of protection against 4β-hydroxywithanolide E-induced DNA damage in MCF-7 cells.[Pubmed: 24373828]
    4beta-Hydroxywithanolide E is a bioactive withanolide extracted from Physalis peruviana.
    METHODS AND RESULTS:
    4beta-Hydroxywithanolide E caused reactive oxygen species production and cell apoptosis in human breast cancer MCF-7 cells. We further found that 4beta-Hydroxywithanolide E induced DNA damage and regulated the DNA damage signaling in MCF-7 cells. The DNA damage sensors and repair proteins act promptly to remove DNA lesions by 4beta-Hydroxywithanolide E. The ataxia-telangiectasia mutated protein (ATM)-dependent DNA damage signaling pathway is involved in 4beta-Hydroxywithanolide E-induced apoptosis of MCF-7 cells. Non-homologous end joining pathway, but not homologous recombination, is the major route of protection of MCF-7 cells against 4beta-Hydroxywithanolide E-induced DNA damage. 4beta-Hydroxywithanolide E had no significant impact on the base excision repair pathway.
    CONCLUSIONS:
    In this study, we examined the 4beta-Hydroxywithanolide E-induced DNA damage as a research tool in project investigating the DNA repair signaling in breast cancer cells. We also suggest that 4beta-Hydroxywithanolide E assert its anti-tumor activity in carcinogenic progression and develop into a dietary chemopreventive agent.
    Mol Nutr Food Res. 2016 Jun;60(6):1482-500.
    Induction of cell cycle arrest and apoptosis with downregulation of Hsp90 client proteins and histone modification by 4β-hydroxywithanolide E isolated from Physalis peruviana.[Pubmed: 27006100 ]
    Physalis peruviana (Solanaceae) is used for culinary and medicinal purposes. We currently report withanolides, isolated from P. peruviana, inhibit the growth of colon cancer monolayer and spheroid cultures. A detailed mechanistic evaluation was performed with 4beta-Hydroxywithanolide E (4HWE).
    METHODS AND RESULTS:
    Treatment of HT-29 cells with low concentrations of 4HWE inhibited growth while enhancing levels of p21(Waf1/Cip1) and reducing levels of several cell cycle-related proteins. Apoptosis was induced at higher concentrations. In addition, 4HWE treatment downregulated the levels of Hsp90 client proteins. Nuclear sirtuin 1 (SIRT1) was increased and histone H3 acetylated at lysine 9 was decreased. An additional consequence of SIRT1 elevation in the nucleus may be inhibition of c-Jun activity. The expression of 21 genes was altered, including downregulation of PTGS2, and this correlated with reduced protein levels of cyclooxygenase-2 (COX-2). Overall, efficacious induction of G0/G1 cell cycle arrest at low concentrations, and induction of apoptosis at higher concentrations are interesting 4HWE-mediated phenomena that are accompanied by a complex array of molecular events.
    CONCLUSIONS:
    Considering the worldwide prevalence of colon cancer, and the unique mode of action mediated by 4HWE, it is reasonable to investigate additional mechanistic details and the potential utility of this compound.
    Int J Obes (Lond). 2014 Nov;38(11):1432-9.
    4β-Hydroxywithanolide E isolated from Physalis pruinosa calyx decreases inflammatory responses by inhibiting the NF-κB signaling in diabetic mouse adipose tissue.[Pubmed: 24566854 ]
    Chronic inflammation in adipose tissue together with obesity induces insulin resistance. Inhibitors of chronic inflammation in adipose tissue can be a potent candidate for the treatment of diabetes; however, only a few compounds have been discovered so far. The objective of this study was to find a novel inhibitor that can suppress the inflammatory response in adipose tissue and to elucidate the intracellular signaling mechanisms of the compound.
    METHODS AND RESULTS:
    To find the active compounds, we established an assay system to evaluate the inhibition of induced MCP-1 production in adipocyte/macrophage coculture in a plant extract library. The active compound was isolated by performing high-performance liquid chromatography (HPLC) and was determined as 4beta-Hydroxywithanolide E (4βHWE) by nuclear magnetic resonance (NMR) and mass spectroscopy (MS) spectral analyses. The effect of 4βHWE on inflammation in adipose tissue was assessed with adipocyte culture and db/db mice.During the screening process, Physalis pruinosa calyx extract was found to inhibit production of MCP-1 in coculture strongly. 4βHWE belongs to the withanolide family of compounds, and it has the strongest MCP-1 production inhibitory effect and lowest toxicity than any other withanolides in coculture. Its anti-inflammatory effect was partially dependent on the attenuation of NF-κB signaling in adipocyte. Moreover, in vivo experiments showed that the oral administration of 4βHWE to db/db mice resulted in the inhibition of macrophage invasion and cytokine expression in adipose tissue after 2 weeks of treatment; improved the plasma adiponectin, non-esterified fatty acids and MCP-1 concentrations; and increased glucose tolerance after 3 to 4 weeks of treatment.
    CONCLUSIONS:
    These results suggest that 4βHWE has anti-inflammatory effect via inhibition of NF-κB activation in adipocyte. Moreover, the attenuation of inflammation in adipocyte has an effect on the inhibition of macrophage accumulation in obese adipose tissue. Consequently, 4βHWE improves impaired glucose tolerance. Thus, 4βHWE is a useful natural anti-inflammatory compound to attenuate progression of diabetes and obesity.
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