MMP14 is a novel target of PTH signaling in osteocytes that controls resorption by regulating soluble RANKL production

Jesus Delgado-Calle, Benjamin Hancock, Elive F. Likine, Amy Sato, Kevin McAndrews, Carolina Sanudo, Angela Bruzzaniti, Jose A. Riancho, James R. Tonra, Teresita Bellido

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Parathyroid hormone (PTH) affects the skeleton by acting on osteocytes (Ots) inbone through yet unclear mechanisms. We report that matrix metalloproteinase 14 (MMP14) expression/activity are increased in bones from mice with genetic constitutive activation (ca) of the PTH receptor 1 (PTH1R) in Ots (caPTH1ROt) and in bones from mice exposed to elevated PTH levels but not in mice lacking [conditional knockout (cKO)] the PTH1R in Ots (cKOPTH1ROt). Furthermore, PTH upregulates MMP14 in human bone cultures and in Ot-enriched bones from floxed controlmice but not fromcKOPTH1ROt mice.MMP14 activity increases soluble receptor activator of NF-κB ligand production, which in turn, stimulates osteoclast differentiation and resorption. Pharmacologic inhibition of MMP14 activity reduced the high bone remodeling exhibited by caPTH1ROt mice or induced by chronic PTH elevation and decreased bone resorption but allowed full stimulation of bone formation induced by PTHinjections, thereby potentiating bone gain. Thus,MMP14 is a new member of the intricate gene network activated in Ots by PTH1R signaling that can be targeted to adjust the skeletal responses to PTH in favor of bone preservation.

Original languageEnglish (US)
Pages (from-to)2878-2890
Number of pages13
JournalFASEB Journal
Volume32
Issue number5
DOIs
StatePublished - May 1 2018

Fingerprint

Matrix Metalloproteinase 14
Osteocytes
Parathyroid Hormone
Bone
Bone and Bones
Parathyroid Hormone Receptor Type 1
Bone Remodeling
Gene Regulatory Networks
Osteoclasts
Bone Resorption
Osteogenesis
Skeleton
Up-Regulation
Ligands
Genes
Chemical activation

Keywords

  • Antiresorptive
  • Osteoblasts
  • Osteoclasts
  • Osteoporosis

ASJC Scopus subject areas

  • Biotechnology
  • Biochemistry
  • Molecular Biology
  • Genetics

Cite this

MMP14 is a novel target of PTH signaling in osteocytes that controls resorption by regulating soluble RANKL production. / Delgado-Calle, Jesus; Hancock, Benjamin; Likine, Elive F.; Sato, Amy; McAndrews, Kevin; Sanudo, Carolina; Bruzzaniti, Angela; Riancho, Jose A.; Tonra, James R.; Bellido, Teresita.

In: FASEB Journal, Vol. 32, No. 5, 01.05.2018, p. 2878-2890.

Research output: Contribution to journalArticle

Delgado-Calle, Jesus ; Hancock, Benjamin ; Likine, Elive F. ; Sato, Amy ; McAndrews, Kevin ; Sanudo, Carolina ; Bruzzaniti, Angela ; Riancho, Jose A. ; Tonra, James R. ; Bellido, Teresita. / MMP14 is a novel target of PTH signaling in osteocytes that controls resorption by regulating soluble RANKL production. In: FASEB Journal. 2018 ; Vol. 32, No. 5. pp. 2878-2890.
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