Syndecan-4 is a type I integral membrane heparan sulfate proteoglycan （HSPG）， which was originally isolated from cloned rat microvascular endothelial cells as an antithrombin-binding molecule， and is now known to be a member of the syndecan family. Syndecan-4 binds to basic fibroblast growth factor （bFGF）， midkine， and tissue factor pathway inhibitor via its heparan sulfate chains， and is thought to be involved in various biologic functions such as signaling of bFGF， anticoagulation， and focal adhesion formation. A previous study demonstrated that syndecan-4 is expressed in various tissues， and its level of expression in the kidney is stronger than those of other syndecan family members. Thus， syndecan-4 is thought to play certain roles in maintaining renal function. Moreover， it has been reported that proteoglycans， especially sulfated proteoglycans， are involved in organogenesis of the kidney.
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来源宿主
大肠杆菌中重组表达
溶解建议
Sterile Filtered White lyophilized （freeze-dried） powder. The SDC4 （1 mg/ml） was lyophilized after extensive dialyses against 20mM PBS pH-7.4. It is recommended to reconstitute the lyophilized SDC4 in sterile 18MΩ-cm H2O not less than 100 ug/ml， which can then be further diluted to other aqueous solutions.
保存建议
Lyophilized SDC4 although stable at room temperature for 3 weeks， should be stored desiccated below -18℃. Upon reconstitution SDC4 should be stored at 4℃ between 2-7 days and for future use below -18℃. For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）. Please prevent freeze-thaw cycles.
