Cyr61, also known as IGFBP-10 and CCN1, is a 50 kDa secreted matrix- and cell-associated glycoprotein that regulates the growth and adhesion of vascular endothelial cells, fibroblasts, and monocytes. Cyr61 interacts with cells that express integrins alpha V beta 3, alpha V beta 5, alpha M beta 2, and alpha 6 beta 1. Cyr61 is cleaved by plasmin within its VWF domain which generates an N-terminal fragment that is not associated with the matrix but retains the ability to induce endothelial cell migration. Cyr61 induces VEGF upregulation, angiogenesis, and tumorigenesis. Between amino acids 176-281, mouse Cyr61 shares 87% and 97% amino acid sequence identity with human and rat Cyr61, respectively.
Mouse Cyr61/CCN1 Antibody (466305)
R&D Systems | Catalog # MAB4864
Scientific images may be resized, cropped, or adjusted for brightness or contrast for presentation purposes. These updates are limited to presentation and do not affect the underlying scientific interpretation of the data. Where available, additional source data may be provided upon request.
Key Product Details
Species Reactivity
Validated:
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Asp176-Gly281
Accession # P18406
Specificity
Clonality
Host
Isotype
Scientific Data Images for Mouse Cyr61/CCN1 Antibody (466305)
Cyr61/CCN1 in Mouse Trigeminal Ganglia.
Cyr61/CCN1 was detected in perfusion fixed frozen sections of mouse trigeminal ganglia using 25 µg/mL Rat Anti-Mouse Cyr61/CCN1 Monoclonal Antibody (Catalog # MAB4864) overnight at 4 °C. Tissue was stained with the Anti-Rat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS017) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.Detection of Cyr61/CCN1 by Immunocytochemistry/ Immunofluorescence
CYR61 promotes vascular maturation with or without loading in vitro.a Experimental setup highlighting the components of the 3D vascular network-on-a-chip system. The devices were loaded longitudinally (as indicated by the arrows), ensuring that all cells in the vascular compartment (green) experienced uniform, unidirectional compression with consistent strain. Created in BioRender. Boerckel, J. (2025) biorender.com/n15u686. b Representative images. Quantifications of (c) vessel length, (d) vascular area, (e) number of vessel junctions, and (f) number of vessel endpoints as measure for vascular connectivity (n = 3). Absolute values are given for the whole chip area. Mean ± SEM and individual data points. Two-way ANOVA was used to determine the statistical significance; p-values from multiple comparisons are indicated with *p < 0.05; **p< 0.01; ***p < 0.001. Scale bars indicate 500 µm. Image collected and cropped by CiteAb from the following open publication (https://www.nature.com/articles/s41536-025-00398-y), licensed under a CC-BY license. Not internally tested by R&D Systems.Detection of Cyr61/CCN1 by Immunohistochemistry
Spatial expression of YAP, CCN1/CYR61, EMCN, and OSX in the fractured bone at 14 dpf.a Exemplary Movat’s pentachrome staining 14 dpf; black box indicates ROI as magnified in b–d. b Magnification of fracture gap and adjacent bone marrow areas (ROI from (a); black box indicates ROI for (g). c, d Overview stainings. e, f Quantifications (n = 6). One-way repeated measures ANOVA was used to determine the statistical significance; p-values are indicated with *p < 0.05; ***p < 0.001. g Magnifications from endochondral part of fracture gap. Scale bars indicate 1 mm (a) and 500 µm (b–d) and 100 µm (g). Image collected and cropped by CiteAb from the following open publication (https://www.nature.com/articles/s41536-025-00398-y), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for Mouse Cyr61/CCN1 Antibody (466305)
Immunohistochemistry
Sample: Perfusion fixed frozen sections of mouse trigeminal ganglia
Reviewed Applications
Read 2 reviews rated 4.5 using MAB4864 in the following applications:
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: Cyr61/CCN1
Long Name
Alternate Names
Gene Symbol
UniProt
Additional Cyr61/CCN1 Products
Product Documents for Mouse Cyr61/CCN1 Antibody (466305)
Certificate of Analysis
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Product Specific Notices for Mouse Cyr61/CCN1 Antibody (466305)
For research use only
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Citations for Mouse Cyr61/CCN1 Antibody (466305)
Customer Reviews for Mouse Cyr61/CCN1 Antibody (466305) (2)
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Application: ImmunoprecipitationSample Tested: C3H10T1/2 mouse embryonic fibroblast cell lineSpecies: MouseVerified Customer | Posted 05/20/2019
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Application: Immunocytochemistry/ImmunofluorescenceSample Tested: NIH-3T3 mouse embryonic fibroblast cell lineSpecies: MouseVerified Customer | Posted 07/15/2018
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Antigen Retrieval Protocol (PIER)
- Antigen Retrieval for Frozen Sections Protocol
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- Chromogenic IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Chromogenic Immunohistochemistry Staining of Frozen Tissue
- ClariTSA™ Fluorophore Kits
- Detection & Visualization of Antibody Binding
- Fluorescent IHC Staining of Frozen Tissue Protocol
- Graphic Protocol for Heat-induced Epitope Retrieval
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Graphic Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- IHC Sample Preparation (Frozen sections vs Paraffin)
- Immunofluorescent IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Immunohistochemistry Frozen Troubleshooting
- Immunohistochemistry Paraffin Troubleshooting
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Protocol for Heat-Induced Epitope Retrieval (HIER)
- Protocol for Making a 4% Formaldehyde Solution in PBS
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Preparation & Fixation of Cells on Coverslips
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections - Graphic
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections - Graphic
- Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Immunohistochemistry
- View all Protocols, Troubleshooting, Illustrated assays and Webinars