2024
Novel treatment for PXE: Recombinant ENPP1 enzyme therapy
Jacobs I, Obiri-Yeboah D, Stabach P, Braddock D, Li Q. Novel treatment for PXE: Recombinant ENPP1 enzyme therapy. Molecular Therapy 2024 PMID: 39342427, DOI: 10.1016/j.ymthe.2024.09.028.Peer-Reviewed Original ResearchAbcc6<sup>-/-</sup> micePseudoxanthoma elasticumAbcc6<sup>-/-</sup> mouse model of pseudoxanthoma elasticumPPi levelsMouse model of pseudoxanthoma elasticumModel of pseudoxanthoma elasticumEnzyme therapyEctopic calcificationPlasma PPi levelsMuzzle skinDose-dependent elevationHepatic efflux transportersPrevent ectopic calcificationPlasma PPiABCC6 geneATP secretionTherapeutic optionsDose-dependentlyEfflux transportersInactivating mutationsENPP1 activitySubcutaneous injectionWeeks of ageNovel treatmentCalcification disorders
2023
Genetics of Diffuse Idiopathic Skeletal Hyperostosis and Ossification of the Spinal Ligaments
Kato H, Braddock D, Ito N. Genetics of Diffuse Idiopathic Skeletal Hyperostosis and Ossification of the Spinal Ligaments. Current Osteoporosis Reports 2023, 21: 552-566. PMID: 37530996, PMCID: PMC10543536, DOI: 10.1007/s11914-023-00814-6.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsDiffuse idiopathic skeletal hyperostosisAutosomal recessive hypophosphatemic rickets type 2Idiopathic skeletal hyperostosisSkeletal hyperostosisOPLL patientsGenetic factorsPathogenic variantsFibroblast growth factor 23Growth factor 23Posterior longitudinal ligamentSpinal ligament ossificationRecent FindingsRecent studiesStrong genetic factorImportant new biomarkerDisease courseFactor 23Longitudinal ligamentClinical evaluationPlasma biomarkersClinical trialsLigament ossificationPlasma PPiCalcification disordersPatientsEctopic calcification
2020
Improving the Pharmacodynamics and In Vivo Activity of ENPP1‐Fc Through Protein and Glycosylation Engineering
Stabach PR, Zimmerman K, Adame A, Kavanagh D, Saeui CT, Agatemor C, Gray S, Cao W, De La Cruz EM, Yarema KJ, Braddock DT. Improving the Pharmacodynamics and In Vivo Activity of ENPP1‐Fc Through Protein and Glycosylation Engineering. Clinical And Translational Science 2020, 14: 362-372. PMID: 33064927, PMCID: PMC7877847, DOI: 10.1111/cts.12887.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArea Under CurveDisease Models, AnimalEnzyme Replacement TherapyGlycosylationHalf-LifeHistocompatibility Antigens Class IHumansMaleMice, TransgenicPhosphoric Diester HydrolasesProtein EngineeringProtein Structure, TertiaryPyrophosphatasesReceptors, FcRecombinant Fusion ProteinsVascular CalcificationConceptsProtein engineeringO-BuN-glycansGlycosylation engineeringCellular recyclingENPP1-deficient miceTerminal sialylationBiomanufacturing platformProtein therapeuticsCalcification disordersSialylationCellsVivo activityFc neonatal receptorTherapeuticsArterial calcificationProteinMurine modelManNAcEnzyme replacementNeonatal receptorEfficacious levelsGeneral strategyThree-prong strategyDrug potency