2024
Both enantiomers of β-aminoisobutyric acid BAIBA regulate Fgf23 via MRGPRD receptor by activating distinct signaling pathways in osteocytes
Sakamoto E, Kitase Y, Fitt A, Zhu Z, Awad K, Brotto M, White K, Welc S, Bergwitz C, Bonewald L. Both enantiomers of β-aminoisobutyric acid BAIBA regulate Fgf23 via MRGPRD receptor by activating distinct signaling pathways in osteocytes. Cell Reports 2024, 43: 114397. PMID: 38935499, PMCID: PMC11350516, DOI: 10.1016/j.celrep.2024.114397.Peer-Reviewed Original ResearchActivate distinct signaling pathwaysSignaling pathwayFibroblast growth factor 23Urinary phosphate excretionReceptor type DInduce FGF23Urine phosphateElevated FGF23Phosphate excretionFGF23L-BAIBAExercise-induced increasePhosphate homeostasisSclerostinPhosphate metabolismReceptorsD-enantiomerBonePathway
2020
Chapter 20 Phosphorus homeostasis and related disorders
Carpenter T, Bergwitz C, Insogna K. Chapter 20 Phosphorus homeostasis and related disorders. 2020, 469-507. DOI: 10.1016/b978-0-12-814841-9.00020-8.ChaptersEndocrine fibroblast growth factorsSupply of phosphateComplex regulatory systemMolecular regulationRegulatory signalsFibroblast growth factorIntricate mechanismsPhosphate transferRegulatory systemNovel targetBone biologyMammalian boneCritical roleDistinct classesGrowth factorSkeletal mineralizationCentral rolePhosphate metabolismPrincipal mediatorEndocrine organClasses of transportersPhosphorus homeostasisBiologyTransportersLocal milieu