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You are here:Home » Molecular Biology » MB-Angiopoietin » ANGPTL7, aa1-346, Recombinant Human (Angiopoietin-related Protein 7, Angiopoietin-like Protein 7, Angiopoietin-like Factor, Cornea-derived Transcript 6 Protein, CDT6, UNQ313/PRO35)

ANGPTL7, aa1-346, Recombinant Human (Angiopoietin-related Protein 7, Angiopoietin-like
Protein 7, Angiopoietin-like Factor, Cornea-derived Transcript 6 Protein, CDT6,
UNQ313/PRO35)

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Specifications

Angiopoietin-like 7 (ANGPTL7), is a secreted glycoprotein that is structurally related to the angiopoietins. Members of this protein family contain an N-terminal coiled coil domain and a C-terminal fibrinogen-like domain (1-3). ANGPTL7 shares 89% aa sequence identity with mouse and rat ANGPTL7. It is secreted as a 45-50kD monomer that forms disulfide-linked homotrimers and tetramers via the coiled coil domain (4, 5). ANGPTL7 is expressed in the corneal stroma, trabecular meshwork, and sclera and is elevated in glaucoma aqueous humor (3, 5). Its production is up-regulated in trabecular meshwork cells by glucocorticoids and TGF-B and in cartilage by TNF-a (5-7). Overexpression of ANGPTL7 in trabecular meshwork cells inhibits the production of collagen and proteoglycans (8). When overexpressed in tumor cells it promotes collagen and proteoglycan deposition but inhibits tumor xenograft progression and tumor angiogenesis (4). Recently, ANGPTL proteins, including ANGPTL-2, -3, -4, -5 and -7, are identified as growth factors in combination with SCF, Thrombopoietin, IGF-II and FGF acidic that enhance the expansion and engraftment of human and mouse hematopoietic stem cells (9).
Catalog #A2293-52L
SourceRecombinant corresponding to aa1-346 from human Angiopoietin-like Protein 7/ANGPTL7, fused with 10-His tag at C-terminal, expressed in CHO cells.
Molecular Weight~38.6kD
Endotoxin Level 1EU/1ug (LAL)
Biological ActivityMeasured by its ability to promote the expansion of E16 rat liver mononuclear cells in vitro, in the presence of recombinant mouse SCF, recombinant mouse Thrombopoietin, and recombinant mouse Flt-3 Ligand. The ED50 for this effect is typically 50-200ng/mL in the presence of a cross-linking antibody, mouse polyHistidine monoclonal antibody.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~38.6kD
SourceCHO
Purity~95% (SDS-PAGE)
ConcentrationNot determined
FormSupplied as a lyophilized powder in PBS, sodium chloride. Reconstitute with PBS to 100ug/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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