
Type:Protein
SpeciesReactivity:H
B=Bovine;Ca=Cat;Ch=Chicken;D=Dog;EQ=Equine;GP=GuineaPig;H=Human;M=Mouse;P=Porcine;Pr=Primate;R=Rat;Rb=Rabbit;Y=Yeast;Xe=Xenopus;Ze=Zebrafish;;;;NA-NotApplicable;STP=Step-TactinProteins;AllHGF,alsoknownasscatterfactorandhepatopoietinA,isapleiotropicproteinintheplasminogensubfamilyofS1peptidases.ItisamultidomainmoleculethatincludesanN-terminalPAN/APPLE-likedomain,fourKringledomains,andaserineproteinase-likedomainthathasnodetectableproteaseactivity(1-5)HumanHGFissecretedasaninactive728aminoacid(aa)singlechainpropeptide.ItiscleavedafterthefourthKringledomainbyaserineproteasetoformbioactivedisulfide-linkedHGFwitha60kDaαand30kDaβchain.AlternatesplicinggenerateshumanHGFisoformsthatlacktheproteinase-likedomainanddifferentnumbersoftheKringledomains.HumanHGFshares91%-94%aasequenceidentitywithbovine,canine,feline,mouse,andratHGF.HGFbindsheparan-sulfateproteoglycansandthewidelyexpressedreceptortyrosinekinase,HGFR/c-MET(6,7).HGF-dependentc-METactivationisimplicatedinthedevelopmentofmanyhumancancers(8).HGFregulatesepithelialmorphogenesisbyinducingcellscatteringandbranchingtubulogenesis(9,10).HGFinducestheupregulationofintegrinα2β1inepithelialcellsbyaselectiveincreaseinα2genetranscription(11).ThisintegrinservesasacollagenIreceptor,anditsblockadedisruptsepithelialcellbranchingtubulogenesis(11,12).HGFcanalsoalterepitheliummorphologybytheinductionofnectin-1αectodomainshedding,anadhesionproteincomponentofadherensjunctions(13).Inthethymus,HGFinducestheproliferation,motility,andlossofdifferentiationMarkersofthyrocytesandinhibitsTSH-stimulatediodineuptake(14).HGFpromotesthemotilityofcardiacstemcellsindamagedmyocardium(15).
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HematopoieticCellGrowthFactors | StemCellResearchProteins | StemCellResearchAntibodies |
ILs/CXCLs-RelatedCytokines&Chemokines | AllProteins | ILs,CCRs,CXCs,MIPsandSTATResearchAntibodies |