Terrecyclic Acid
(Synonyms: 环酸A) 目录号 : GC41342
A sesquiterpene
Cas No.:83058-94-0
Sample solution is provided at 25 µL, 10mM.
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Quality Control & SDS
- View current batch:
- Purity: >95.00%
- COA (Certificate Of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Terrecyclic acid is a sesquiterpene originally isolated from A. terreus with antibiotic and anticancer activity. It is active against S. aureus, B. subtilis, and M. roseus (MICs = 25, 50, and 25 μg/ml, respectively). Terrecyclic acid induces a heat shock response, increases levels of reactive oxygen species (ROS), and inhibits NF-κB activity and cell growth in 3T3-Y9-B12 cells. In vivo, terrecyclic acid (0.1, 1, and 10 mg/ml) reduces the number of ascitic fluid tumor cells in a mouse model of P388 murine leukemia.
| Cas No. | 83058-94-0 | SDF | |
| 别名 | 环酸A | ||
| Canonical SMILES | O=C1C([C@]23[C@H](C(O)=O)CC[C@](C(C)(C)C3)([H])[C@@]2([H])C1)=C | ||
| 分子式 | C15H20O3 | 分子量 | 248.3 |
| 溶解度 | Soluble in DMSO | 储存条件 | Store at -20°C |
| General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。 储备液的保存方式和期限：-80°C 储存时，请在 6 个月内使用，-20°C 储存时，请在 1 个月内使用。 为了提高溶解度，请将管子加热至37℃，然后在超声波浴中震荡一段时间。 |
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| Shipping Condition | 评估样品解决方案：配备蓝冰进行发货。所有其他可用尺寸：配备RT，或根据请求配备蓝冰。 | ||
| 制备储备液 | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 4.0274 mL | 20.1369 mL | 40.2739 mL |
| 5 mM | 0.8055 mL | 4.0274 mL | 8.0548 mL |
| 10 mM | 0.4027 mL | 2.0137 mL | 4.0274 mL |
| 第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量） | ||||||||||
| 给药剂量 | mg/kg |  |
动物平均体重 | g | |
每只动物给药体积 | ul | |
动物数量 | 只 |
| 第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系GLPBIO为您提供正确的澄清溶液配方） | ||||||||||
| % DMSO % % Tween 80 % saline | ||||||||||
| 计算重置 | ||||||||||
计算结果:
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于 μL DMSO溶液（母液浓度 mg/mL，
体内配方配制方法：取 μL DMSO母液，加入 μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入 μL saline，混匀澄清。
1. 首先保证母液是澄清的；
2.
一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
3. 以上所有助溶剂都可在 GlpBio 网站选购。
Terrecyclic Acid A, a new antibiotic from Aspergillus terreus. III. 13C NMR spectrum of Terrecyclic Acid A
J Antibiot (Tokyo) 1984 May;37(5):475-8.PMID:6735922DOI:10.7164/antibiotics.37.475.
Assignment of the fifteen carbons of Terrecyclic Acid A, C15H20O3, a new sesquiterpene antibiotic, in the 13C NMR spectrum was performed by 13C-[1H] selective proton decoupling experiments, comparison with spectra of its derivatives and chemical shifts.
Studies on the biosynthesis of Terrecyclic Acid A, an antitumor antibiotic from Aspergillus terreus
J Antibiot (Tokyo) 1984 Nov;37(11):1376-81.PMID:6511664DOI:10.7164/antibiotics.37.1376.
The biosynthesis of Terrecyclic Acid A was investigated using 13C-labeled acetates and mevalonate. 13C NMR spectral analysis of isolated labeled Terrecyclic Acid demonstrated that the structure is assembled via an isoprene pathway.
Molecular structure of terrecyclodiol: a derivative of the antifungal metabolite Terrecyclic Acid A from Aspergillus terreus
J Nat Prod 1996 Jan;59(1):59-61.PMID:8984154DOI:10.1021/np960008f.
A strain of Aspergillus terreus, which was isolated from organic mulch and inhibited the growth of the plant pathogen Phytophthora cinnamomi, produces an antifungal metabolite when grown in liquid culture. This metabolite was isolated by bioassay-guided fractionation and identified as Terrecyclic Acid A (1). X-ray diffraction studies and spectroscopic details of the derived terrecyclodiol (2) are described.
The anticancer activity of the fungal metabolite Terrecyclic Acid A is associated with modulation of multiple cellular stress response pathways
Mol Cancer Ther 2005 Oct;4(10):1569-76.PMID:16227407DOI:10.1158/1535-7163.MCT-05-0050.
Tumors are dependent on cellular stress responses, in particular the heat shock response, for survival in their hypoxic, acidotic, and nutrient-deprived microenvironments. Using cell-based reporter assays, we have identified Terrecyclic Acid A (TCA) from Aspergillus terreus, a fungus inhabiting the rhizosphere of Opuntia versicolor of the Sonoran desert, as a small-molecule inducer of the heat shock response that shows anticancer activity. Further characterization suggested that TCA also affects oxidative and inflammatory cellular stress response pathways. The presence of an alpha-methylene ketone moiety suggested that TCA may form adducts with sulfhydryl groups of proteins. Reaction with labile intracellular cysteines was supported by our finding that the glutathione precursor N-acetyl-cysteine protected tumor cells from the cytotoxic effects of TCA whereas the glutathione-depleting agent buthionine sulfoximine enhanced its activity. Related sesquiterpenes have been shown to increase levels of reactive oxygen species (ROS) and to inhibit nuclear factor kappaB (NF-kappaB) transcriptional activity. To assess whether TCA could have similar activities, we used a ROS-sensitive dye and flow cytometry to show that TCA does indeed increase ROS levels in 3LL cells. When tested in cells carrying NF-kappaB reporter constructs, TCA also exhibited concentration-dependent inhibition of cytokine-induced NF-kappaB transcriptional activity. These findings suggest that TCA modulates multiple stress pathways-the oxidative, heat shock, and inflammatory responses-in tumor cells that promote their survival. Small-molecule natural products such as TCA may serve as useful probes for understanding the relationships between these pathways, potentially providing leads for the design of novel and effective anticancer drugs.
Cytotoxic constituents of Aspergillus terreus from the rhizosphere of Opuntia versicolor of the Sonoran Desert
J Nat Prod 2003 Dec;66(12):1567-73.PMID:14695798DOI:10.1021/np030266u.
A novel cyclopentenedione, asterredione (1), two new Terrecyclic Acid A derivatives, (+)-5(6)-dihydro-6-methoxyterrecyclic acid A (2) and (+)-5(6)-dihydro-6-hydroxyterrecyclic acid A (3), and five known compounds, (+)-terrecyclic acid A (4), (-)-quadrone (5), betulinan A (6), asterriquinone D (7), and asterriquinone C-1 (8), were isolated from Aspergillus terreus occurring in the rhizosphere of Opuntia versicolor, using bioassay-guided fractionation. Acid-catalyzed reaction of 2 under mild conditions afforded 4, whereas under harsh conditions 2 yielded 5 and (-)-isoquadrone (9). Catalytic hydrogenation and methylation of 4 afforded 5(6)-dihydro-terrecyclic acid A (10) and (+)-terrecyclic acid A methyl ester (11), respectively. The structures of 1-11 were elucidated by spectroscopic methods. All compounds were evaluated for cytotoxicity in a panel of three sentinel cancer cell lines, NCI-H460 (non-small cell lung cancer), MCF-7 (breast cancer), and SF-268 (CNS glioma), and were found to be moderately active. Cell cycle analysis of 2, 4, and 5 using the NCI-H460 cell line indicated that 4 is capable of disrupting the cell cycle through an apparent arrest to progression at the G(1) and G(2)/M phases in this p53 competent cell line. A pathway for the biosynthetic origin of asterredione (1) from asterriquinone D (7) is proposed.