Dermatopontin, also known as TRAMP (tyrosine rich acidic matrix protein), is a widely expressed noncollagenous protein component of the extracellular matrix (1, 2). Mature human Dermatopontin shares 96%, 92%, and 92% amino acid sequence identity with bovine, mouse, and rat Dermatopontin, respectively. It is a 22 kDa molecule that is tyrosine sulfated but not glycosylated (3, 4). Dermatopontin contains three disulfide bonded loop structures that enclose conserved hexapeptide motifs (5). It accelerates collagen fibril formation in vitro, and Dermatopontin deficient mice exhibit altered collagen matrix deposition and organization (6 - 8). Dermatopontin is downregulated in fibrotic growths such as leiomyoma and scar tissue (9, 10). It binds both TGF-beta and the proteoglycan decorin, interactions that can increase the bioavailability of TGF-beta (11, 12). Dermatopontin promotes bone mineralization under the control of the vitamin D receptor and inhibits BMP-2 effects on osteoblast precursors (13, 14).
Human Dermatopontin Antibody
R&D Systems | Catalog # AF4629
Key Product Details
Species Reactivity
Validated:
Human
Cited:
Human
Applications
Validated:
Western Blot
Cited:
Western Blot
Label
Unconjugated
Antibody Source
Polyclonal Sheep IgG
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Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Dermatopontin
Gln19-Val201
Accession # AAH33736
Gln19-Val201
Accession # AAH33736
Specificity
Detects human Dermatopontin in direct ELISAs and Western blots. In direct ELISAs, approximately 50% cross-reactivity with recombinant mouse Dermatopontin is observed.
Clonality
Polyclonal
Host
Sheep
Isotype
IgG
Scientific Data Images for Human Dermatopontin Antibody
Detection of Human Dermatopontin by Western Blot.
Western blot shows lysates of human heart tissue. PVDF Membrane was probed with 1 µg/mL of Human Dermatopontin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4629) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Dermatopontin at approximately 22 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.Applications for Human Dermatopontin Antibody
Application
Recommended Usage
Western Blot
1 µg/mL
Sample: Human heart tissue
Sample: Human heart tissue
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Sterile PBS to a final concentration of 0.2 mg/mL. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 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: Dermatopontin
References
- Okamoto, O. and S. Fujiwara (2006) Connect. Tissue Res. 47:177.
- Superti-Furga, A. et al. (1993) Genomics 17:463.
- Forbes, E.G. et al. (1994) FEBS Lett. 351:433.
- Cronshaw, A.D. et al. (1993) Matrix 13:255.
- Neame, P.J. et al. (1989) J. Biol. Chem. 264:5474.
- MacBeath, J.R.E. et al. (1993) J. Biol. Chem. 268:19826.
- Takeda, U. et al. (2002) J. Invest. Dermatol. 119:678.
- Cooper, L.J. et al. (2006) Invest. Opthalmol. Vis. Sci. 47:3303.
- Catherino, W.H. et al. (2004) Genes Chromosomes Cancer 40:204.
- Kuroda, K. et al. (1999) J. Invest. Dermatol. 112:706.
- Okamoto, O. et al. (1996) J. Biochem. 119:106.
- Okamoto, O. et al. (1999) Biochem. J. 337:537.
- Pochampally, R.R. et al. (2007) J. Bone Miner. Res. 22:1338.
- Behnam, K. et al. (2006) Connect. Tissue Res. 47:271.
Alternate Names
DPT, Eq1
Gene Symbol
DPT
UniProt
Additional Dermatopontin Products
Product Documents for Human Dermatopontin Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Dermatopontin Antibody
For research use only
Related Research Areas
Citations for Human Dermatopontin Antibody
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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