2020
Catalysis‐Independent ENPP1 Protein Signaling Regulates Mammalian Bone Mass
Zimmerman K, Liu X, von Kroge S, Stabach P, Lester ER, Chu EY, Srivastava S, Somerman MJ, Tommasini SM, Busse B, Schinke T, Carpenter TO, Oheim R, Braddock DT. Catalysis‐Independent ENPP1 Protein Signaling Regulates Mammalian Bone Mass. Journal Of Bone And Mineral Research 2020, 37: 1733-1749. PMID: 35773783, PMCID: PMC9709593, DOI: 10.1002/jbmr.4640.Peer-Reviewed Original ResearchConceptsHeterotopic mineralizationBone massFibroblast growth factor 23Growth factor 23Low bone massSoft tissue calcificationEarly-onset osteoporosisFrizzled-related protein 1Soluble Wnt inhibitorsTrabecular bone microarchitectureENPP1 deficiencyΒ-catenin signalingFactor 23Plasma FGF23Vascular calcificationArterial calcificationNuclear β-cateninPlasma PPiBone microarchitectureMurine modelTissue calcificationPlasma PiWnt inhibitorsCalcificationMice
2019
Human Heterozygous ENPP1 Deficiency Is Associated With Early Onset Osteoporosis, a Phenotype Recapitulated in a Mouse Model of Enpp1 Deficiency
Oheim R, Zimmerman K, Maulding ND, Stürznickel J, von Kroge S, Kavanagh D, Stabach PR, Kornak U, Tommasini SM, Horowitz MC, Amling M, Thompson D, Schinke T, Busse B, Carpenter TO, Braddock DT. Human Heterozygous ENPP1 Deficiency Is Associated With Early Onset Osteoporosis, a Phenotype Recapitulated in a Mouse Model of Enpp1 Deficiency. Journal Of Bone And Mineral Research 2019, 35: 528-539. PMID: 31805212, PMCID: PMC7184798, DOI: 10.1002/jbmr.3911.Peer-Reviewed Original ResearchConceptsAutosomal recessive hypophosphatemic rickets type 2ENPP1 deficiencyEarly-onset osteoporosisGene-dose effectOnset osteoporosisAsj/Bone mineral density scansBone mineralization disturbancesRenal phosphate wastingCortical boneDose effectMild osteomalaciaMineralization disturbancesFGF23 levelsMild elevationPlasma FGF23Arterial calcificationBone massPhosphate wastingSkeletal manifestationsBone fragilityThoracic spineWild-type family membersType 2Adult men