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Cytochalasin C

CAS# 22144-76-9

Cytochalasin C

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Chemical structure

Cytochalasin C

3D structure

Chemical Properties of Cytochalasin C

Cas No. 22144-76-9 SDF Download SDF
PubChem ID 2926 Appearance Powder
Formula C30H37NO6 M.Wt 507.6
Type of Compound Alkaloids Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name (16-benzyl-5,12-dihydroxy-5,7,13,14-tetramethyl-6,18-dioxo-17-azatricyclo[9.7.0.01,15]octadeca-3,9,13-trien-2-yl) acetate
SMILES CC1CC=CC2C(C(=C(C3C2(C(C=CC(C1=O)(C)O)OC(=O)C)C(=O)NC3CC4=CC=CC=C4)C)C)O
Standard InChIKey NAIODHJWOHMDJX-UHFFFAOYSA-N
Standard InChI InChI=1S/C30H37NO6/c1-17-10-9-13-22-26(33)19(3)18(2)25-23(16-21-11-7-6-8-12-21)31-28(35)30(22,25)24(37-20(4)32)14-15-29(5,36)27(17)34/h6-9,11-15,17,22-26,33,36H,10,16H2,1-5H3,(H,31,35)
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.
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.
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.

Source of Cytochalasin C

The seed culture of solid wheat.

Biological Activity of Cytochalasin C

DescriptionCytochalasin C inhibits phytomitogen-induced human lymphocyte proliferation. Cytochalasin C can activate both NAD(P)H oxidase and selective degranulation of neutrophils incubated in salt-restricted media and that differential inhibition of these two processes by monovalent cations and/or anions is produced at some step(s) subsequent to cytochalasin interaction with the cell.

Cytochalasin C Dilution Calculator

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Cytochalasin C Molarity Calculator

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Preparing Stock Solutions of Cytochalasin C

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.9701 mL 9.8503 mL 19.7006 mL 39.4011 mL 49.2514 mL
5 mM 0.394 mL 1.9701 mL 3.9401 mL 7.8802 mL 9.8503 mL
10 mM 0.197 mL 0.985 mL 1.9701 mL 3.9401 mL 4.9251 mL
50 mM 0.0394 mL 0.197 mL 0.394 mL 0.788 mL 0.985 mL
100 mM 0.0197 mL 0.0985 mL 0.197 mL 0.394 mL 0.4925 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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References on Cytochalasin C

Identification and dereplication of endophytic Colletotrichum strains by MALDI TOF mass spectrometry and molecular networking.[Pubmed:33188275]

Sci Rep. 2020 Nov 13;10(1):19788.

The chemical diversity of biologically active fungal strains from 42 Colletotrichum, isolated from leaves of the tropical palm species Astrocaryum sciophilum collected in pristine forests of French Guiana, was investigated. The collection was first classified based on protein fingerprints acquired by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) correlated with cytotoxicity. Liquid chromatography coupled to high-resolution tandem mass spectrometry (LC-HRMS/MS) data from ethyl acetate extracts were acquired and processed to generate a massive molecular network (MN) using the MetGem software. From five Colletotrichum strains producing cytotoxic specialized metabolites, we predicted the occurrence of peptide and cytochalasin analogues in four of them by MN, including a similar ion clusters in the MN algorithm provided by MetGem software. Chemoinformatics predictions were fully confirmed after isolation of three pentacyclopeptides (cyclo(Phe-Leu-Leu-Leu-Val), cyclo(Phe-Leu-Leu-Leu-Leu) and cyclo(Phe-Leu-Leu-Leu-Ile)) and two cytochalasins (Cytochalasin C and cytochalasin D) exhibiting cytotoxicity at the micromolar concentration. Finally, the chemical study of the last active cytotoxic strain BSNB-0583 led to the isolation of four colletamides bearing an identical decadienamide chain.

Cytotoxic cytochalasans from fungus Xylaria longipes.[Pubmed:31351910]

Fitoterapia. 2019 Sep;137:104278.

Five new cytochalasans (1-5) were isolated from the rice fermentation of fungus Xylaria longipes, along with seven known compounds cytochalasin P (6), cytochalasin D (7), zygosporin D (8), 7-O-acetylcytochalasin D (9), Cytochalasin C (10), 6,7-dihydro-7-oxo-Cytochalasin C (11), and 6,7-dihydro-7-oxo-deacetylCytochalasin C (12). Their structures and absolute configurations were determined by extensive experimental spectroscopic methods as well as ECD calculation and GIAO (13)C NMR calculation. The cytotoxicity of obtained compounds (1-12) was evaluated against human cancer cell lines HL-60, A549, SMMC-7721, MCF-7, and SW480. Compounds 6-8, 11, and 12 showed cytotoxicity with IC50 value ranging from 4.17-37.18muM.

Mapping the Fungal Battlefield: Using in situ Chemistry and Deletion Mutants to Monitor Interspecific Chemical Interactions Between Fungi.[Pubmed:30837981]

Front Microbiol. 2019 Feb 19;10:285.

Fungi grow in competitive environments, and to cope, they have evolved strategies, such as the ability to produce a wide range of secondary metabolites. This begs two related questions. First, how do secondary metabolites influence fungal ecology and interspecific interactions? Second, can these interspecific interactions provide a way to "see" how fungi respond, chemically, within a competitive environment? To evaluate these, and to gain insight into the secondary metabolic arsenal fungi possess, we co-cultured Aspergillus fischeri, a genetically tractable fungus that produces a suite of mycotoxins, with Xylaria cubensis, a fungus that produces the fungistatic compound and FDA-approved drug, griseofulvin. To monitor and characterize fungal chemistry in situ, we used the droplet-liquid microjunction-surface sampling probe (droplet probe). The droplet probe makes a microextraction at defined locations on the surface of the co-culture, followed by analysis of the secondary metabolite profile via liquid chromatography-mass spectrometry. Using this, we mapped and compared the spatial profiles of secondary metabolites from both fungi in monoculture versus co-culture. X. cubensis predominantly biosynthesized griseofulvin and dechlorogriseofulvin in monoculture. In contrast, under co-culture conditions a deadlock was formed between the two fungi, and X. cubensis biosynthesized the same two secondary metabolites, along with dechloro-5'-hydroxygriseofulvin and 5'-hydroxygriseofulvin, all of which have fungistatic properties, as well as mycotoxins like cytochalasin D and Cytochalasin C. In contrast, in co-culture, A. fischeri increased the production of the mycotoxins fumitremorgin B and verruculogen, but otherwise remained unchanged relative to its monoculture. To evaluate that secondary metabolites play an important role in defense and territory establishment, we co-cultured A. fischeri lacking the master regulator of secondary metabolism laeA with X. cubensis. We found that the reduced secondary metabolite biosynthesis of the DeltalaeA strain of A. fischeri eliminated the organism's ability to compete in co-culture and led to its displacement by X. cubensis. These results demonstrate the potential of in situ chemical analysis and deletion mutant approaches for shedding light on the ecological roles of secondary metabolites and how they influence fungal ecological strategies; co-culturing may also stimulate the biosynthesis of secondary metabolites that are not produced in monoculture in the laboratory.

Antiplasmodial and Cytotoxic Cytochalasins from an Endophytic Fungus, Nemania sp. UM10M, Isolated from a Diseased Torreya taxifolia Leaf.[Pubmed:30795572]

Molecules. 2019 Feb 21;24(4). pii: molecules24040777.

Bioassay-guided fractionation of an EtOAc extract of the broth of the endophytic fungus Nemania sp. UM10M (Xylariaceae) isolated from a diseased Torreya taxifolia leaf afforded three known cytochalasins, 19,20-epoxycytochalasins C (1) and D (2), and 18-deoxy-19,20-epoxy-Cytochalasin C (3). All three compounds showed potent in vitro antiplasmodial activity and phytotoxicity with no cytotoxicity to Vero cells. These compounds exhibited moderate to weak cytotoxicity to some of the cell lines of a panel of solid tumor (SK-MEL, KB, BT-549, and SK-OV-3) and kidney epithelial cells (LLC-PK11). Evaluation of in vivo antimalarial activity of 19,20-epoxyCytochalasin C (1) in a mouse model at 100 mg/kg dose showed that this compound had weak suppressive antiplasmodial activity and was toxic to animals.

Effects of cytochalasin congeners, microtubule-directed agents, and doxorubicin alone or in combination against human ovarian carcinoma cell lines in vitro.[Pubmed:26357852]

BMC Cancer. 2015 Sep 10;15:632.

BACKGROUND: Although the actin cytoskeleton is vital for carcinogenesis and subsequent pathology, no microfilament-directed agent has been approved for cancer chemotherapy. One of the most studied classes of microfilament-directed agents has been the cytochalasins, mycotoxins known to disrupt the formation of actin polymers. In the present study, we sought to determine the effects of Cytochalasin Congeners toward human drug sensitive and multidrug resistant cell lines. METHODS: SKOV3 human ovarian carcinoma and several multidrug resistant derivatives were tested for sensitivity against a panel of nine Cytochalasin Congeners, as well as three clinically approved chemotherapeutic agents (doxorubicin, paclitaxel, and vinblastine). In addition, verapamil, a calcium ion channel blocker known to reverse P-glycoprotein (P-gp) mediated drug resistance, was used in combination with multiple Cytochalasin Congeners to determine whether drug sensitivity could be increased. RESULTS: While multidrug resistant SKVLB1 had increased drug tolerance (was more resistant) to most Cytochalasin Congeners in comparison to drug sensitive SKOV3, the level of resistance was 10 to 1000-fold less for the cytochalasins than for any of the clinically approved agents. While cytochalasins did not appear to alter the expression of ATP binding cassette (ABC) transporters, several cytochalasins appeared to inhibit the activity of ABC transporter-mediated efflux of rhodamine 123 (Rh123), suggesting that these congeners do have affinity for drug efflux pumps. Cytochalasins also appeared to significantly decrease the F/G-actin ratio in both drug sensitive and drug resistant cells, indicative of marked microfilament inhibition. The cytotoxicity of most Cytochalasin Congeners could be increased with the addition of verapamil, and the drug sensitivity of resistant SKVLB1 to the clinically approved antineoplastic agents could be increased with the addition of cytochalasins. As assessed by isobolographic analysis and Chou-Talalay statistics, cytochalasin B and 21,22-dihydrocytochalasin B (DiHCB) demonstrated notable synergy with doxorubicin and paclitaxel, warranting further investigation in a tumor-bearing mammalian model. CONCLUSION: Cytochalasins appear to inhibit the activity of P-gp and potentially other ABC transporters, and may have novel activity against multidrug resistant neoplastic cells that overexpress drug efflux proteins.

Tolerated doses in zebrafish of cytochalasins and jasplakinolide for comparison with tolerated doses in mice in the evaluation of pre-clinical activity of microfilament-directed agents in tumor model systems in vivo.[Pubmed:25398795]

In Vivo. 2014 Nov-Dec;28(6):1021-31.

BACKGROUND/AIM: Chemotherapeutic approaches involving microtubule-directed agents such as the vinca alkaloids and taxanes are used extensively and effectively in clinical cancer therapy. There is abundant evidence of critical cytoskeletal differences involving microfilaments between normal and neoplastic cells, and a variety of natural products and semi-synthetic derivatives are available to exploit these differences in vitro. In spite of the availability of such potential anti-neoplastic agents, there has yet to be an effective microfilament-directed agent approved for clinical use. Cytochalasins are mycogenic toxins derived from a variety of fungal sources that have shown promising in vitro efficacy in disrupting microfilaments and producing remarkable cell enlargement and multi-nucleation in cancer cells without producing enlargement and multi-nucleation in normal blood cells. Jasplakinolide is a sponge toxin that stabilizes and rigidifies microfilaments. Insufficient in vivo data has been acquired to determine whether any of the microfilament-directed agents have valuable preferential anticancer activity in pre-clinical tumor model systems. This is partly because the limited availability of these agents precludes their initial use in large-scale mammalian pre-clinical studies. Therefore, the present study sought to determine the tolerated in vivo doses of cytochalasins and jasplakinolide in zebrafish (Danio rerio), a well-studied fish cancer model that is 1.5% the size of mice. We also determined the tolerated levels of a variety of clinically active anti-neoplastic agents in zebrafish for comparison with tolerated murine doses as a means to allow comparison of toxicities in zebrafish expressed as muM concentrations with toxicities in mice expressed in mg/kg. MATERIALS AND METHODS: Tolerated doses in zebrafish with various cytochalasins or jasplakinolide were determined by adding the solubilized test agent to water in which the fish were maintained for 24 h, then restored to their normal tanks and monitored for a total of 96 h. RESULTS: Cytochalasin D at 0.2 muM gave an approximate LD50 in zebrafish, while cytochalasin B was fully-tolerated at 5 muM, and gave an LD50 of 10 muM. 21,22-dihydrocytochalasin B was fully-tolerated at 10 muM. Cytochalasin C was tolerated fully at 1 muM, ten-fold higher than the level for cytochalasin D that was tolerated. Jasplakinolide at 0.5 muM did not exhibit any apparent acute toxicity or affect fish behavior for four days, but delayed toxicity was evident at days 4 and 6 when the fish died. Further, the addition of 5 muM glutathione (GSH) at the time of treatment substantially decreased the toxicity of 10 muM cytochalasin B, a level of cytochalasin B that not otherwise tolerated in vivo. Such observations were likely due to GSH-mediated alkylation of C-20 in cytochalasin B, thereby reducing the rate of oxidation to the highly toxic congener, cytochalasin A, and reacting with any cytochalazin A formed. The protective effects of GSH are further supported by its ability to react with alpha, beta-unsaturated ketone moieties, as is found in cytochalasin A. GSH at 0.8 uM was able to reduce the toxicity of 0.8 muM cytochalasin D, but it took 20 muM GSH to fully protect against the toxicity of 0.8 muM cytochalasin D. CONCLUSION: Pre-clinical evaluation of rare natural products such as microfilamented-directed agents for efficacy in vivo in tumor-bearing zebrafish is a feasible prospect. Dose-limiting toxicities in zebrafish expressed as muM concentrations in water can be used to estimate in vivo toxicities in mice expressed as mg/kg.

[Secondary metabolites of mangrove endophytic fungus BL321 in the South China Sea].[Pubmed:21049610]

Zhong Yao Cai. 2010 Jun;33(6):901-3.

OBJECTIVE: To study the secondary metabolites of mangrove endophytic fungus BL321. METHODS: The compounds were isolated by chromatographic technique. The structures were identified by comprehensive physico-chemical properties and spectral methods. RESULTS: Five compounds were isolated and identified as 3,4a-dimethyl-2-oxo-2,4,4a,5,6,7-hexahydronaphtho[2,3-b]furan-5-carboxylic acid(1), Cytochalasin C(2), cytochalasin D(3), 19,20-epoxyCytochalasin C(4), ergosterol(5). CONCLUSION: Compound 1 is isolated from nature for the first time. Further more, several kinds of strong bioactive compounds were islolate from this fungus indicate that it may develop to be medical source microorganism.

[Morphological and functional changes of tissue receptors of an organ plexus under the effect of blockers of cytoskeleton assembly].[Pubmed:12629804]

Morfologiia. 2000;118(4):41-5.

Colchicine and cytochalasine C exert modifying action on tissue receptors of urinary bladder of the frog. Under the effect of cytochalasine the period of vital staining of receptors were changed. Latent period of decoloration grew 37-56% longer while the period of staining accumulation grows 18% shorter. The forming of granules was also altered 2 types of terminal plaques were distinguished according to this sign in the course of treatment with colchicine and 3 types in the experiment with cytochalasine. Modifying action of cytochalasine was greater. Cytochalasin Caused mass appearance of round intensely stained plaque the appearance of which was obviously connected with microtubules destruction. Mean area of terminals profile field also increased. Spontaneous impulse activity of receptors was significantly suppressed. Specificity of responses to colchicine and cytochalasine was probably conditioned by their effect on different elements of cytoskeleton.

Cytoskeleton regulates expression of genes for transforming growth factor-beta 1 and extracellular matrix proteins in dermal fibroblasts.[Pubmed:9258340]

J Cell Physiol. 1997 Aug;172(2):192-9.

Cytoskeleton not only controls cell morphology but also regulates cell growth, migration, differentiation, and gene expression, events which are fundamental to embryogenesis, carcinogenesis, and wound healing. We have recently reported that reorganization of cytoskeleton induces expression of mRNA for transforming growth factor-beta 1 (TGF-beta 1), collagenase, and tissue inhibitor of metalloproteinase-I (TIMP-I) in dermal fibroblasts. In this report we have examined the role of gene transcription in this induction. As judged by nuclear run-on assay, trypsin, EGTA (ethylene glycol-bis (beta-aminoethyl ether) N, N, N', N', tetra-acetic acid), or Cytochalasin C (Chs) increased the rate of transcription of the TGF-beta 1 gene by 2.0, 2.7, and 1.6 fold, respectively, and of the collagenase gene by 5.3, 6.2, and 3.3 fold. The rate of transcription of the TIMP-I gene was increased by trypsin (4.3 fold) or EGTA (3.8 fold) but unaffected by Chs. Cytochalasin induced an increase in the rate of transcription of procollagen I (alpha 1), procollagen I (alpha 2), and fibronectin genes by 1.4, 1.5, and 1.9 fold respectively, while trypsinization or EGTA treatment had no or little effects on these gene. Since transcription of the TGF-beta 1 gene is believed to be largely governed by the activating protein 1 (AP1) complex, we also examined the expression of mRNA for c-fos and c-jun protoon-coproteins. Trypsinization induced rapid (within 30 min) and transient expression of c-fos mRNA. A 2.4 fold increase in c-jun mRNA was apparent after 4 hr and persisted for at least 24 hr. Actinomycin D (Act D) suppressed the induction of TGF-beta 1 mRNA by Chs but had less effect on the TGF-beta 1 mRNA in trypsinized cells which had been replated for 4 hr, suggesting that the half life of TGF-beta 1 mRNA is reduced in cells with a disassembled cytoskeleton. Simultaneous treatment with Chs and cycloheximide (Cxm) resulted in a superinduction of TGF-beta 1 mRNA by 88 +/- 23% (n = 4, P < 0.05), which was abrogated by preexposure to Act D. In contrast, the induction of collagenase mRNA by Chs was totally blocked by Cxm, indicating that the Cxm-mediated superinduction is selective and that protein synthesis is required for induction of this mRNA. Our results suggest that the activities of genes for proteins involved in the structure (Type I collagen and fibronectin), turnover (collagenase and TIMP-1) and regulation (TGF-beta 1) of extracellular matrix (ECM), are all governed at least in part by the status of the cytoskeleton. Since the cytoskeleton is reorganized during cell division, migration, and differentiation, these results may have implications for the regulation of ECM during such processes as embryogenesis, carcinogenesis, and wound healing.

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