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Osteonectin / SPARC

secreted protein, acidic, cysteine-rich (osteonectin)

SPARC (secreted protein acidic and rich in cysteine)/Osteonectin is a matricellular glycoprotein that modulates cellular interactions with the ECM and is expressed in tissues undergoing remodeling. It functions as a de-adhesive protein, as a modulator of growth factor activity, and as a cell-cycle inhibitor. It induces changes in endothelial cell shape via F-actin, coincident with the appearance of intercellular gaps, that provide a paracellular pathway for extravasation of macromolecules. Tumor growth is enhanced in mice lacking SPARC due to changes in the ECM that create a more permissive environment for tumor progression.

Gene Name: secreted protein, acidic, cysteine-rich (osteonectin)
Synonyms: SPARC, Basement-membrane protein 40, BM-40, Cysteine-rich protein, ON, Osteonectin
Target Sequences: NM_003118 NP_003109.1 P09486

Publications (3)

1
Collagen-Hydroxyapatite Scaffolds Induce Human Adipose Derived Stem Cells Osteogenic Differentiation In Vitro. Calabrese G, Giuffrida R, Fabbi C, Figallo E, Lo Furno D, Gulino R, Colarossi C, Fullone F, Giuffrida R, Parenti R, Memeo L, Forte S. PloS one. 2016 11:e0151181. (WB, ELISA, IHC-Fr; Bovine, Human) [Full Text Article] [PubMed:26982592] [PMC:PMC4794180]
2
Overexpression of SPARC correlates with poor prognosis in patients with cervical carcinoma and regulates cancer cell epithelial-mesenchymal transition. Shi D, Jiang K, Fu Y, Fang R, Liu XI, Chen J. Oncology letters. 2016 May;11:3251-3258. [Full Text Article] [PubMed:27123099] [PMC:PMC4841103]
3
Calcitonin gene-related peptide stimulates proliferation and osteogenic differentiation of osteoporotic rat-derived bone mesenchymal stem cells. Liang W, Zhuo X, Tang Z, Wei X, Li B. Molecular and cellular biochemistry. Apr;402:101-10. [Full Text Article] [PubMed:25563479] Related Antibodies: LS-C25800.

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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).