Recombinant Human Neurocan Protein, CF

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R&D Systems Recombinant Proteins and Enzymes
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Recombinant Human Neurocan Protein, CF Summary

Product Specifications

>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by the ability of the immobilized protein to enhance the adhesion of H4 human neuroglioma cells. When 5 x 104 cells per well are added to recombinant human Neurocan coated plates, cell adhesion is enhanced in a dose dependent manner. The ED50 for this effect is 50‑200 ng/mL.
Chinese Hamster Ovary cell line, CHO-derived human Neurocan protein
Glu23-Cys1321, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Predicted Molecular Mass
141.5 kDa
140-290 kDa, reducing conditions

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Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
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Background: Neurocan

Neurocan, also known as CSPG3 and 1D1, is a secreted chondroitin sulfate proteoglycan that is primarily expressed in the central nervous system (1). Human Neurocan contains one Ig-like V-type domain, two Link domains, two EGF-like domains, one C-type lectin-like domain, and one Sushi domain (2). It is an approximately 300 kDa molecule of which 66 kDa is chondroitin sulfate and 60 kDa is N‑ and O‑linked glycosylation (3). Mature human Neurocan shares 66% aa sequence identity with mature mouse and rat Neurocan. Human Neurocan is predicted to be cleaved following Met635, resulting in N-terminal (Neurocan-130) and
C-terminal (Neurocan-C) fragments whose core glycoproteins are 130 kDa and 150 kDa, respectively (4, 5). The full length molecule is expressed in the developing and juvenile brain, while its cleavage products are found throughout adulthood (3, 4). Neurocan and Neurocan-C are produced by astrocytes and accumulate in the matrix surrounding axonal bundles and neuronal cell bodies; Neurocan-130 is found mainly in the glial cell cytoplasm (6 - 8). Following brain injury, reactive astrocytes deposit increased amounts of Neurocan in the glial scar where it impedes axonal regeneration (6, 9). Neurocan inhibits neuronal adhesion and neurite outgrowth through interactions with a variety of matrix and transmembrane molecules including NCAM-L1, NCAM-1, Syndecan-3, Glypican-1, Tenascin, Contactin-2/TAG1, and HAPLN1 (1, 6, 10 - 15).

  1. Rauch, U. et al. (2001) Cell. Mol. Life Sci. 58:1842.
  2. Prange, C.K. et al. (1998) Gene 221:199.
  3. Rauch, U. et al. (1991) J. Biol. Chem. 266:14785.
  4. Matsui, F. et al. (1994) Neurochem. Int. 25:425.
  5. Rauch, U. et al. (1992) J. Biol. Chem. 267:19536.
  6. Asher, R.A. et al. (2000) J. Neurosci. 20:2427.
  7. Matsui, F. et al. (1998) Brain Res. 790:45.
  8. Abaskharoun, M. et al. (2010) Brain Res. 1327:6.
  9. Shen, L.H. et al. (2008) Glia 56:1747.
  10. Friedlander, D.R. et al. (1994) J. Cell Biol. 125:669.
  11. Sango, K. et al. (2003) Exp. Neurol. 182:1.
  12. Akita, K. et al. (2004) Biochem. J. 383:129.
  13. Grumet, M. et al. (1994) J. Biol. Chem. 269:12142.
  14. Milev, P. et al. (1996) J. Biol. Chem. 271:15716.
  15. Rauch, U. et al. (2004) Matrix Biol. 22:629.
Entrez Gene IDs
1463 (Human); 13004 (Mouse); 58982 (Rat)
Alternate Names
chondroitin sulfate proteoglycan 3 (neurocan); Chondroitin sulfate proteoglycan 3; CSPG3; CSPG3neurocan core protein; FLJ44681; NCAN; NEUR; neurocan proteoglycan; Neurocan

Citations for Recombinant Human Neurocan Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. Discovery of deoxyceramide analogs as highly selective ACER3 inhibitors in live cells
    Authors: N Bielsa, M Casasamper, M Aseeri, J Casas, A Delgado, JL Abad, G Fabriàs
    European Journal of Medicinal Chemistry, 2021;216(0):113296.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Bioassay
  2. Perineuronal Net Protein Neurocan Inhibits NCAM/EphA3 Repellent Signaling in GABAergic Interneurons
    Authors: CS Sullivan, I Gotthard, EV Wyatt, S Bongu, V Mohan, RJ Weinberg, PF Maness
    Sci Rep, 2018;8(1):6143.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  3. Neurocan, an extracellular chondroitin sulfate proteoglycan, stimulates neuroblastoma cells to promote malignant phenotypes
    Authors: Z Su, S Kishida, S Tsubota, K Sakamoto, D Cao, S Kiyonari, M Ohira, T Kamijo, A Narita, Y Xu, Y Takahashi, K Kadomatsu
    Oncotarget, 2017;8(63):106296-106310.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay


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