Human Crossveinless-2/CV-2 Antibody Summary
Val34-Arg685
Accession # Q8N8U9
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Crossveinless‑2/CV‑2 in HUVEC Human Cells. Crossveinless-2/CV-2 was detected in immersion fixed HUVEC human umbilical vein endothelial cells using Human Crossveinless-2/CV-2 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1956) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Sheep IgG Secondary Antibody (red; Catalog # NL010) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Reconstitution Calculator
Preparation and 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.
Background: Crossveinless-2/CV-2
Crossveinless-2 (CV-2), also known as bone morphogenetic protein-binding endothelial cell precursor-derived regulator (BMPER), is a secreted chordin-like protein that modulates the BMP signaling pathway (1‑3). Human CV-2 is synthesized as a 685 amino acid (aa) residue precursor protein with a putative 39 aa signal peptide, five tandem chordin-like cysteine-rich (CR) domains, a partial von Willebrand factor type D domain (vWD), and a carboxyl trypsin inhibitor-like cysteine-rich domain (TIL) (1, 4). Secreted CV-2 is reported to be proteolytically cleaved to generate two fragments that are disulfide-linked (1, 2). The GDPH sequence is conserved in CV-2 from other species. It is also found in multiple proteins that undergo a similar type of cleavage (5). Human CV-2 message is detected in many tissues, with the highest expression detected in adult brain and adult and fetal lung (1). It is also expressed in flk-1+ endothelial cell precursors and in primary chondrocytes (2). During embryonic development, CV-2 is expressed in regions of high BMP signaling, such as the posterior primitive streak and the ventral tail bud (4). Human CV-2 shares 92% and 34% aa sequence identity with the mouse and Drosophila homologs, respectively (1, 4). Results from biochemical experiments using recombinant CV-2 show that CV-2 directly interacts with BMP-2, -4, and -6 to antagonize BMP signaling, which can regulate a wide range of differentiation processes (1, 2). In contrast, genetic data from Drosophila suggest that CV-2 potentiates BMP-signaling (6). It is possible that like TSG, CV-2 can positively and negatively modulate BMP signal transduction depending on the cell context (7).
- Binnerts, M.E. et al. (2004) Biochem Biophys Res Commun. 315:272.
- Moser, M. et al. (2003) Mol Cell Biol. 23:5664.
- Garcia-Abreu, J. et al. (2002) Gene, 287: 39.
- Coffinier, C. et al. (2002) Mech Dev. 119:S179.
- Lidell, M.E. et al. (2003) J. Biol. Chem. 278:13944.
- Conley, C.A. et al. (2000) Development 127:3947.
- Kamimura, M. et al. (2004) Developmental Dynamics 230:434.
Product Datasheets
Citation for Human Crossveinless-2/CV-2 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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BMP activity controlled by BMPER regulates the proinflammatory phenotype of endothelium.
Authors: Helbing T, Rothweiler R, Ketterer E, Goetz L, Heinke J, Grundmann S, Duerschmied D, Patterson C, Bode C, Moser M
Blood, 2011-09-07;118(18):5040-9.
Species: Human
Sample Types: Cell Lysates
Applications: Western Blot
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