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AN-7 Sale

目录号 : GC42805

A potent antioxidant lipoic acid analog

AN-7 Chemical Structure

Cas No.:691410-93-2

规格 价格 库存 购买数量
1mg
¥428.00
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5mg
¥1,388.00
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10mg
¥2,570.00
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产品描述

α-Lipoic acid is a cyclic disulfide antioxidant that interconverts with its reduced dithiol form. It is an essential cofactor for decarboxylation reactions of the citric acid cycle and acts as a general antioxidant. AN-7 is a more lipophilic analog of α-lipoic acid with enhanced potency and 1.5-fold increased maximal capacity to stimulate glucose transport into myocytes. This identifies the analogs of lipoic acid as potential new treatments for diabetes.

Chemical Properties

Cas No. 691410-93-2 SDF
Canonical SMILES O=C(CCCCC1SSCC1)NCCCNC(=O)CCCCC1SSCC1
分子式 C19H34N2O2S4 分子量 450.7
溶解度 DMF: 10 mg/ml,DMSO: 20 mg/ml,DMSO:PBS (pH 7.2)(1:4): .15 mg/ml,Ethanol: 2 mg/ml 储存条件 Store at -20°C
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1 mM 2.2188 mL 11.0939 mL 22.1877 mL
5 mM 0.4438 mL 2.2188 mL 4.4375 mL
10 mM 0.2219 mL 1.1094 mL 2.2188 mL
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Research Update

Cardioprotection by AN-7, a prodrug of the histone deacetylase inhibitor butyric acid: Selective activity in hypoxic cardiomyocytes and cardiofibroblasts

Eur J Pharmacol 2020 Sep 5;882:173255.PMID:32553737DOI:10.1016/j.ejphar.2020.173255.

The anticancer prodrug butyroyloxymethyl diethylphosphate (AN-7), upon metabolic hydrolysis, releases the histone deacetylase inhibitor butyric acid and imparts histone hyperacetylation. We have shown previously that AN-7 increases doxorubicin-induced cancer cell death and reduces doxorubicin toxicity and hypoxic damage to the heart and cardiomyocytes. The cardiofibroblasts remain unprotected against both insults. Herein we examined the selective effect of AN-7 on hypoxic cardiomyocytes and cardiofibroblasts and investigated mechanisms underlying the cell specific response. Hypoxic cardiomyocytes and cardiofibroblasts or H2O2-treated H9c2 cardiomyoblasts, were treated with AN-7 and cell damage and death were evaluated as well as cell signaling pathways and the expression levels of heme oxygenase-1 (HO-1). AN-7 diminished hypoxia-induced mitochondrial damage and cell death in hypoxic cardiomyocytes and reduced hydrogen peroxide damage in H9c2 cells while increasing cell injury and death in hypoxic cardiofibroblasts. In the cell line, AN-7 induced Akt and ERK survival pathway activation in a kinase-specific manner including phosphorylation of the respective downstream targets, GSK-3β and BAD. Hypoxic cardiomyocytes responded to AN-7 treatment by enhanced phosphorylation of Akt, ERK, GSK-3β and BAD and a significant 6-fold elevation in HO-1 levels. In hypoxic cardiofibroblasts, AN-7 did not activate Akt and ERK beyond the effect of hypoxia alone and induced a limited (~1.5-fold) increase in HO-1. The cell specific differences in kinase activation and in heme oxygenase-1 upregulation may explain, at least in part, the disparate outcome of AN-7 treatment in hypoxic cardiomyocytes and hypoxic cardiofibroblasts.

AN-7, a butyric acid prodrug, sensitizes cutaneous T-cell lymphoma cell lines to doxorubicin via inhibition of DNA double strand breaks repair

Invest New Drugs 2018 Feb;36(1):1-9.PMID:28884410DOI:10.1007/s10637-017-0500-x.

We previously found that the novel histone deacetylase inhibitor (HDACI) butyroyloxymethyl diethylphosphate (AN-7) had greater selectivity against cutaneous T-cell lymphoma (CTCL) than SAHA. AN-7 synergizes with doxorubicin (Dox), an anthracycline antibiotic that induces DNA breaks. This study aimed to elucidate the mechanism underlying the effect of AN-7 on Dox-induced double-strand DNA breaks (DSBs) in CTCL, MyLa and Hut78 cell lines. The following markers/assays were employed: comet assay; western blot of γH2AX and p-KAP1; immunofluorescence of γH2AX nuclear foci; Western blot of repair protein; quantification of DSBs-repair through homologous recombination. DSB induction by Dox was evidenced by an increase in DSB markers, and DSBs-repair, by their subsequent decrease. The addition of AN-7 slightly increased Dox induction of DSBs in MyLa cells with no effect in Hut78 cells. AN-7 inhibited the repair of Dox-induced DSBs, with a more robust effect in Hut78. Treatment with AN-7 followed by Dox reduced the expression of DSB-repair proteins, with direct interference of AN-7 with the homologous recombination repair. AN-7 sensitizes CTCL cell lines to Dox, and when combined with Dox, sustains unrepaired DSBs by suppressing repair protein expression. Our data provide a mechanistic rationale for combining AN-7 with Dox or other DSB inducers as a therapeutic modality in CTCL.

The Therapeutic Potential of AN-7, a Novel Histone Deacetylase Inhibitor, for Treatment of Mycosis Fungoides/Sezary Syndrome Alone or with Doxorubicin

PLoS One 2016 Jan 11;11(1):e0146115.PMID:26752418DOI:10.1371/journal.pone.0146115.

The 2 histone deacetylase inhibitors (HDACIs) approved for the treatment of cutaneous T-cell lymphoma (CTCL) including mycosis fungoides/sezary syndrome (MF/SS), suberoylanilide hydroxamic acid (SAHA) and romidepsin, are associated with low rates of overall response and high rates of adverse effects. Data regarding combination treatments with HDACIs is sparse. Butyroyloxymethyl diethylphosphate (AN-7) is a novel HDACI, which was found to have selective anticancer activity in several cell lines and animal models. The aim of this study was to compare the anticancer effects of AN-7 and SAHA, either alone or combined with doxorubicin, on MF/SS cell lines and peripheral blood lymphocytes (PBL) from patients with Sezary syndrome (SPBL). MyLa cells, Hut78 cells, SPBL, and PBL from healthy normal individuals (NPBL) were exposed to the test drugs, and the findings were analyzed by a viability assay, an apoptosis assay, and Western blot. AN-7 was more selectively toxic to MyLa cells, Hut78 cells, and SPBL (relative to NPBL) than SAHA and also acted more rapidly. Both drugs induced apoptosis in MF/SS cell lines, SAHA had a greater effect on MyLa cell line, while AN-7 induced greater apoptosis in SPBL; both caused an accumulation of acetylated histone H3, but AN-7 was associated with earlier kinetics; and both caused a downregulation of the HDAC1 protein in MF/SS cell lines. AN-7 acted synergistically with doxorubicin in both MF/SS cell lines and SPBL, and antagonistically with doxorubicin in NPBL. By contrast, SAHA acted antagonistically with doxorubicin on MF/SS cell lines, SPBL, and NPBL, leaving <50% viable cells. In conclusion, AN-7 holds promise as a therapeutic agent in MF/SS and has several advantages over SAHA. Our data provide a rationale for combining AN-7, but not SAHA, with doxorubicin to induce the cell death in MF/SS.

Mode of interaction between butyroyloxymethyl-diethyl phosphate (AN-7) and doxorubicin in MCF-7 and resistant MCF-7/Dx cell lines

J Cancer Res Clin Oncol 2006 Oct;132(10):673-83.PMID:16826403DOI:10.1007/s00432-006-0116-6.

Purpose: To investigate the anticancer activity and mode of action of butyroyloxymethyl-diethyl phosphate (AN-7), a prodrug of butyric acid and formaldehyde, as a single agent and in combination with doxorubicin in human carcinoma MCF-7 and the multidrug resistant MCF-7 Dx cell lines. Methods: The anti-cancer activity of AN-7 as a single agent or in combination with doxorubicin was measured by the Hoechst cell viability and colony forming assays as well as by FACS analyses of cells stained with propidium iodide and annexin V-FITC. Modulations of protein expression and acetylation were measured by Western blot analyses. The number of doxorubicin-DNA adducts formed was evaluated using (14)C-labeled doxorubicin. Results: The AN-7 and homologous prodrugs exhibited similar growth inhibition effects against drug resistant and sensitive cells, and elicited their anticancer effect partially by inhibition of HDAC. The AN-7 transiently augmented histone acetylation and increase of p21 expression. Synergy between AN-7 and doxorubicin was demonstrated in the sensitive and the resistant cell lines by viability and colony formation assays and was further confirmed by FACS analysis showing an increase in cell mortality. The number of doxorubicin-DNA adducts in total genomic DNA isolated from cells treated with (14)C-labeled doxorubicin and AN-7 increased substantially compared to treatment with doxorubicin only. Treatment with AN-7 or doxorubicin increased p53 acetylation that was further potentiated by their combination. Conclusion: The AN-7 combined with doxorubicin overcame drug resistance; at least in part by the intracellularly releasable formaldehyde that augmented formation of doxorubicin-DNA adducts and butyric acid that induced histone and p53 acetylation. Since the use of doxorubicin is limited by toxicity, the combination could offer an effective treatment modality with lower toxicity for breast cancer.

The anticancer prodrugs of butyric acid AN-7 and AN-9, possess antiangiogenic properties

Cancer Lett 2007 Oct 18;256(1):39-48.PMID:17611019DOI:10.1016/j.canlet.2007.05.011.

The antiangiogenic and antineoplastic activities of the butyric acid prodrugs AN-7 and AN-9 were demonstrated in vitro with HUVEC by inhibition of proliferation and vascular tubes formation, enhanced apoptosis, and inhibition of 22Rv-1 cells migration. In the sc implanted human prostate tumors (22Rv-1) in nude mice, AN-7 significantly inhibited Ki-67, HIF-1alpha, HER-2/neu, bFGF and increased PTEN level. AN-7 and AN-9 reduced hemoglobin accumulation in matrigel plugs implanted sc in Balb-c mice. Herein, we show that the anticancer activity of AN-7 and AN-9 can be attributed in part to their antiangiogenic activities suggesting potential therapeutic benefits for prostate cancer patients.