Hevin expression by astrocytes is developmentally regulated in the cortex.(A) Representative Western blots showing the developmental timeline for hevin expression in mouse cortex and hippocampus (tubulin was used as a ...read more
Hevin expression by astrocytes is developmentally regulated in the cortex.(A) Representative Western blots showing the developmental timeline for hevin expression in mouse cortex and hippocampus (tubulin was used as a ...read more
Hevin expression by astrocytes is developmentally regulated in the cortex.(A) Representative Western blots showing the developmental timeline for hevin expression in mouse cortex and hippocampus (tubulin was used as a ...read more
Detects mouse SPARC-like 1 in direct ELISAs and Western blots. In direct ELISAs, approximately 5% cross‑reactivity with recombinant human SPARC-like 1 is observed and less than 1% cross-reactivity with recombinant mouse SPARC is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
SPARCL1
Purity Statement
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
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.
Buffer
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.
Preservative
No Preservative
Concentration
LYOPH
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for SPARC-like 1/SPARCL1 Antibody
Hevin
High endothelial venule protein
MAST 9
MAST9
PIG33
proliferation-inducing protein 33
SC1
SPARC like 1
SPARCL1
SPARC-like 1 (hevin)
SPARC-like 1 (mast9, hevin)
SPARC-like 1
SPARC-like protein 1
Background
SPARCL1 (Secreted Protein, Acidic and Rich in Cysteines-like 1), also known as hevin, SC1 or MAST9, is a member of the SPARC family of extracellular glycoproteins (1, 2). SPARCL1 is an anti-adhesive protein that is widely expressed in tissues such as brain, heart, lung, muscle and kidney, but not liver (3, 4). Mouse SPARCL1 contains a 16 amino acid (aa) signal sequence and a 634 aa mature region that contains four domains: a 403 aa N-terminal acidic region, a 23 aa follistatin-like domain, a 55 aa kazal-like segment and a 148 aa calcium binding domain that contains two EF hand motifs (3, 4). Mouse mature SPARCL1 shares 89%, 67%, 63%, 61%, 60%, and 58% aa identity with rat, human, equine, canine, porcine, and bovine SPARCL1, respectively. The follistatin-like, kazal-like and calcium-binding domains of SPARCL1 show 61% aa identity with corresponding regions of SPARC. SPARCL1 is predicted at 75 kDa, but migrates at ~130 kDa, which has been explained either by disulfide-linked homodimerization or by glycosylation and high acidity (3 - 5). Some truncated forms have been reported. In mouse, a 55 kDa C‑terminal fragment is the only form in kidney and represent a portion of SPARCL1 in other tissues (6). In humans, a 25 kDa form is increased in liver tumors that are encapsulated, while the full-length form is downregulated in many epithelial cell-derived tumors (7, 8). SPARCL1 inhibits adhesion and spreading on a variety of substrates (5, 9). It is thought to cause antiadhesive signaling that terminates neuronal migration, consistent with production by glial and neuronal cells during development or in response to trauma (10). In tonsillar high endothelial venules (HEV), SPARCL1 may induce endothelial cell dissociation, promoting extravasation (3). SPARCL1 binds collagen; in mice, deletion causes dermal collagen fibrils that are smaller in diameter and deficient in decorin (6, 11).
Framson, P.E. and E.H. Sage (2004) J. Cell. Biochem. 92:679.
Sullivan, M.M. and E.H. Sage (2004) Int. J. Biochem. Cell Biol. 36:991.
Girard, J.P. and T.A. Springer (1995) Immunity 2:113.
Bendik, I. et al. (1998) Cancer Res. 58:626.
Brekken, R.A. et al. (2004) J. Histochem. Cytochem. 52:735.
Hambrock, H.O. et al. (2003) J. Biol. Chem. 278:11351.
Lau, C.P. et al. (2006) J. Pathol. 210:469.
Isler, S.G. et al. (2001) Int. J. Oncol. 18:521.
Girard, J.P. and T.A. Springer (1996) J. Biol. Chem. 271:4511.
Gongidi, V. et al. (2004) Neuron 41:57.
Sullivan, M.M. et al. (2006) J. Biol. Chem. 281:27621.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
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