Type
Recombinant
Description
TGF-βfamilymembersarekeymodulatorsofcellproliferation,differentiation,matrixsynthesis andapoptosis.Asimpliedbytheirname,BMPsinitiate,promote andregulatethedevelopment,growthandremodelingofboneandcartilage.Inadditiontothisrole,BMPsarealsoinvolvedinprenataldevelopmentandpostnatalgrowth,remodelingandmaintenanceofavarietyofothertissuesandorgans.BMP-7,alsoknownasosteogenicprotein-1 orOP-1,isapotentboneinducingagent,whichinthepresenceofappropriateosteoconductivecarrier(e.g.collagenspongeorsynthetichydroxyapatite)canbeusedinthetreatmentofbonedefects.A bone-graftsubstitute,calledOP-1™implant,madeofrecombinanthumanBMP-7 associatedwithbovinebone-derivedcollagen,hasrecentlybeenapprovedbytheFDAasadevicefortreatingcritical-sizebonefractures.ThepotentialuseofBMP-7 indentalreconstructivesurgeriesiscurrentlyunderinvestigation.RecombinanthumanBMP-7 isa28.8 kDahomodimericglycoproteinconsistingoftwo117 aminoacidsubunits,whichcorrespondtoaminoacidresidues315 to431 ofthefull-lengthBMP-7 precursor.
AminoAcidSequence
MANVAENSSSDQRQACKKHELYVSFRDLGWQDWIIAPEGYAAYYCEGECAFPLNSYMNATNHAIVQTLVHFINPETVPKPCCAPTQLNAISVLYFDDSSNVILKKYRNMVVRACGCH
Source
ChineseHamsterOvaryCells(CHO)
Purity
98%
BIOLOGicalActivity
DeterminedbyitsABIlitytoinducealkalinephosphataseproductionbyATDC-5 cells.TheexpectedED50forthiseffectis0.02–0.04 μg/ml.
Endotoxin
Endotoxinlevelis<0.1 ng/μgofprotein(<1EU/μg).
Reconstitution
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1–1.0 mg/ml.Donotvortex.Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%BSA)andstoreinworkingaliquotsat –20°Cto –80°C.
Storage/Expiration
–20°C