Submit a Review & Earn an Amazon Gift Card
You can now submit reviews for your favorite Tocris products. Your review will help other researchers decide on the best products for their research. Why not submit a review today?!
Submit ReviewCiliobrevin A
Description: Hedgehog (Hh) pathway antagonist, inhibits ciliogenesis; also inhibits dynein
Alternative Names: HPI-4
Chemical Name: 2,4-Dichloro-α-(3,4-4-oxo-2(1H)-quinazolinylidene)-β-oxobenzenepropanenitrile
Purity: ≥98% (HPLC)
Biological Activity for Ciliobrevin A
Ciliobrevin A is a Hedgehog (Hh) pathway antagonist; blocks Sonic hedgehog (Shh)-induced Hh pathway activation (IC50 = 7 μM) downstream of Smo. Perturbs primary cilia formation; inhibits cytoplasmic AAA+ ATPase dynein-dependent microtubule gliding and ATPase activity.
Technical Data for Ciliobrevin A
| M. Wt | 358.18 |
| Formula | C17H9Cl2N3O2 |
| Storage | Store at +4°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 302803-72-1 |
| PubChem ID | 6883982 |
| InChI Key | SESYPWCSIZUIAS-FOWTUZBSSA-N |
| Smiles | O=C(C1=CC=CC=C1N2)N/C2=C(C(C3=C(Cl)C=C(Cl)C=C3)=O)\C#N |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for Ciliobrevin A
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 35.82 | 100 |
Preparing Stock Solutions for Ciliobrevin A
The following data is based on the product molecular weight 358.18. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 2.79 mL | 13.96 mL | 27.92 mL |
| 5 mM | 0.56 mL | 2.79 mL | 5.58 mL |
| 10 mM | 0.28 mL | 1.4 mL | 2.79 mL |
| 50 mM | 0.06 mL | 0.28 mL | 0.56 mL |
Molarity Calculator
Molarity Calculator
Calculate the mass, volume, or concentration required for a solution.
Reconstitution Calculator
Reconstitution Calculator
Dilution Calculator
Dilution Calculator
Calculate the dilution required to prepare a stock solution.
Product Datasheets for Ciliobrevin A
References for Ciliobrevin A
References are publications that support the biological activity of the product.
Hyman et al (2009) Small-molecule inhibitors reveal multiple strategies for Hedgehog pathway blockade. Proc.Natl.Acad.Sci.U.S.A. 106 14132 PMID: 19666565
Firestone et al (2012) Small-molecule inhibitors of the AAA+ ATPase motor cytoplasmic dynein. Nature 484 7392 PMID: 22425997
If you know of a relevant reference for Ciliobrevin A, please let us know.
View Related Products by Target
View Related Products by Product Action
Keywords: Ciliobrevin A, Ciliobrevin A supplier, CiliobrevinA, supplier, hedgehog, Hh, pathway, antagonists, blocks, inhibits, inhibitors, Smo, smoothened, patched, ciliogenesis, cilia, microtubules, dynein, cytoplasmic, AAA+, ATPase, HPI-4, Hedgehog, Signaling, Stem, Cell, Other, ATPases, 4529, Tocris Bioscience
7 Citations for Ciliobrevin A
Citations are publications that use Tocris products. Selected citations for Ciliobrevin A include:
Poon et al (2019) Evolutionary modification of AGS protein contributes to formation of micromeres in sea urchins. Nat Commun 10 3779 PMID: 31439829
Shin et al (2015) Autophagy Regulates Formation of Primary Cilia in Mefloquine-Treated Cells. Biomol Ther (Seoul) 23 327 PMID: 26157548
Xiao et al (2018) Receptor-mediated endocytosis generates nanomechanical force reflective of ligand identity and cellular property. J Cell Physiol 233 5908-5919 PMID: 29243828
Conzemius et al (2016) ICAM-1 Binding Rhinoviruses A89 and B14 Uncoat in Different Endosomal Compartments. J Virol 90 7934 PMID: 27334586
Dong-Hyung et al (2019) Primary cilia mediate mitochondrial stress responses to promote dopamine neuron survival in a Parkinson's disease model. Cell Death Dis 10 952 PMID: 31844040
Charles E et al (2019) Measles Virus Forms Inclusion Bodies with Properties of Liquid Organelles. J Virol 93 PMID: 31375591
Hasan B et al (2020) HDAC6 mediates an aggresome-like mechanism for NLRP3 and pyrin inflammasome activation. Science 369 PMID: 32943500
Do you know of a great paper that uses Ciliobrevin A from Tocris? Please let us know.
Reviews for Ciliobrevin A
Average Rating: 4 (Based on 1 Review.)
Have you used Ciliobrevin A?
Submit a review and receive an Amazon gift card.
$50/€35/£30/$50CAN/¥300 Yuan/¥5000 Yen for first to review with an image
$25/€18/£15/$25CAN/¥75 Yuan/¥2500 Yen for a review with an image
$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image
Filter by:
Effectively inhibits Hh signaling.
By
Kishor Pant on 02/10/2023
Assay Type: In Vitro
Species: Human
Cell Line/Tissue: HepG2, and Huh,
This effectively inhibits Hh signaling. At 1 uM concentrations, we had satisfactory results with this compound.
Tested different concentrations and times for each cell for cilia imaging.
Literature in this Area
Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* your copy today!
*Please note that Tocris will only send literature to established scientific business / institute addresses.
Stem Cell Research Product Guide
This product guide provides a background to the use of small molecules in stem cell research and lists over 200 products for use in:
- Self-renewal and Maintenance
- Differentiation
- Reprogramming
- Organoid Generation
- GMP and Ancillary Material Grade Products
Stem Cells Scientific Review
Written by Kirsty E. Clarke, Victoria B. Christie, Andy Whiting and Stefan A. Przyborski, this review provides an overview of the use of small molecules in the control of stem cell growth and differentiation. Key signaling pathways are highlighted, and the regulation of ES cell self-renewal and somatic cell reprogramming is discussed. Compounds available from Tocris are listed.
Stem Cell Workflow Poster
Stem cells have potential as a source of cells and tissues for research and treatment of disease. This poster summarizes some key protocols demonstrating the use of small molecules across the stem cell workflow, from reprogramming, through self-renewal, storage and differentiation to verification. Advantages of using small molecules are also highlighted.
Stem Cells Poster
Written by Rebecca Quelch and Stefan Przyborski from Durham University (UK), this poster describes the isolation of pluripotent stem cells, their maintenance in culture, differentiation, and the generation and potential uses of organoids.