| CatalogueNumber | CC117 | 
| BrandFamily | Chemicon® 
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| TradeName |  | 
| Description | ChickenExtracellularChondroitinSulfateProteoglycans | 
| Overview | DESCRIPTION/COMPOSITION:CC117containsamixtureoflarge,extracellularchondroitinsulfateproteoglycansisolatedfromembryonicchickenbrain.Aminoacidsequenceanalysesandimmunologicalstudieshavedemonstratedthatthemajorcomponentsofthismixtureareneurocan,phosphacan,versican,andaggrecan.Followingchondroitinasetreatmenttoremovetheglycosaminoglycanportionoftheseproteoglycans,themajorcomponentsofthispreparationresolvedonSDSgelsare250kDacoreproteinsrepresentingneurocanand400kDacoreproteinsrepresentingaggrecan,phosphacan,andversican. 
 *Quantity:Proteinasdeterminedusingthebicinchoninicacid(BCA)assay.Notethat100μgisameasurementofcorepolypeptides.Componentsofthismixturecontaincorepolypeptideplusattachedglycosaminoglycans
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| BackgroundInformation | Aggrecan,versican,andneurocanaremembersofthefamilyofhyaluronicacid-bindingproteoglycansandthereforeeachcontainshyaluronicacidbindingregions,Ig-likedomains,EGFlikedomains,lectin-likedomains,andcomplementregulatory-likedomains.Phosphacanisdistinct;itcontainsaregionofsimilaritytocarbonicanhydrase,afibronectintypeIIIdomain,andisasplicevariantofthetransmembraneproteinreceptortyrosinephosphataseequivalenttoitsextracellularportion. 
 AlthoughaggrecanwastrADItionallythoughtofasacartilageproteoglycanandneurocanandphosphacanwerethoughtofasneuralproteoglycans,recentstudiesindicatethatallfouroftheseproteoglycanshavebroadyetdistinctivedistributionpatternsinearlyembryos.Thepresenceoftheseproteoglycanshasnotbeencarefullyexaminedinadulttissuebeyondtheexpectedsites.Theseproteoglycansareanti-adhesionmoleculesandarecapableofinhibitingbothcell-ECMandcell-celladhesion.
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