- Catalog number
- A02453-1
- Size / count
- 100 µg/Vial
- Dry ice
- No
- Hazardous
- No
- Discontinued
- No
- Background
- Canstatin, a cleavage product corresponding to the collagen alpha 2 (IV) NC1 domain, possesses both anti-angiogenic and anti-tumor cell activity. It inhibits proliferation and migration of endothelial cells, reduces mitochondrial membrane potential, and induces apoptosis. Specifically induces Fas-dependent apoptosis and activates procaspase-8 and -9 activity. Ligand for alphavbeta3 and alphavbeta5 integrins.
- Synonyms
- Probable ATP-dependent RNA helicase DDX4; DEAD box protein 4; Vasa homolog; DDX4; VASA
- Gene Name
- COL4A2
- Gene ID
- 1284
- UniProt
- P08572
- Host
- Rabbit
- Reactivity
- Human
- Cross Reactivity
- No cross-reactivity with other proteins.
- Immunogen
- E.coli-derived human COL4A2 recombinant protein (Position: H1666-L1712) .
- Clonality
- Polyclonal
- Tissue Specificity
- Expressed only in ovary and testis. Expressed in migratory primordial germ cells in the region of the gonadal ridge in both sexes.
- Applications
- IHC, ELISA
- Field of Research
- Signal Transduction, Cell Biology, Cell Cycle, Stem Cells, Cell Differentiation, Cytoskeleton/ECM, Extracellular Matrix, Structures, ECM Proteins, Mesenchymal Stem Cells
- Purification
- Immunogen affinity purified.
- Concentration
- Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
- Form
- Lyophilized
- Reconstitution
- Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.
- Function
- ATP-dependent RNA helicase required during spermatogenesis (PubMed:10920202, PubMed:21034600) . Required to repress transposable elements and preventing their mobilization, which is essential for the germline integrity (By similarity) . Acts via the piRNA metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons (By similarity) . Involved in the secondary piRNAs metabolic process, the production of piRNAs in fetal male germ cells through a ping-pong amplification cycle (By similarity) . Required for PIWIL2 slicing-triggered piRNA biogenesis: helicase activity enables utilization of one of the slice cleavage fragments generated by PIWIL2 and processing these pre-piRNAs into piRNAs (By similarity) .
- References & Citations
- 1. Hwang-Bo J, Hyun Yoo K, Park JH, Jeong HS, Chung IS.:Recombinant canstatin inhibits angiopoietin-1-induced angiogenesis and lymphangiogenesis. Int J Cancer. 2011 Aug 5. 2. Hwang-Bo J, Yoo KH, Jeong HS, Chung IS.Recombinant canstatin inhibits tumor growth in an orthotopic AT-84 oral squamous cell carcinoma model. Biotechnol Lett. 2010 Feb;32 (2) :189-94. Epub 2009 Oct 17.
- Storage Conditions
- At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.
- Calculated Molecular Weight
- 38779 MW
- Observed Molecular Weight
- 72 kDa
- Gene Name Synonym
- DEAD-box helicase 4
- Subcellular Location
- Secreted, extracellular space, extracellular matrix.
- Protein Name
- BAG family molecular chaperone regulator 1
- Isotype
- Rabbit IgG
- Contents
- Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.