4.7 Review

Parathyroid Hormone 1 Receptor Signaling in Dental Mesenchymal Stem Cells: Basic and Clinical Implications

Journal

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2021.654715

Keywords

parathyroid hormone; parathyroid hormone-related peptide; regeneration; tooth development; periodontal ligament

Funding

  1. NSFC [81800928, 81801003]
  2. Sichuan Science and Technology Program [2019YJ0054]
  3. State Key Laboratory of Oral Diseases Open Funding [SKLOD202114]
  4. West China School/Hospital of Stomatology Sichuan University [RCDWJS2021-1]
  5. Young Elite Scientist Sponsorship Program by CAST [2018QNRC001]
  6. China Postdoctoral Science Foundation [2018T110982, 2018M631090]

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This article reviews the effects of PTH, PTHrP, and PTH1R signaling on MSCs in the orofacial region, as well as the potential therapeutic applications for dental and bone regeneration.
Parathyroid hormone (PTH) and parathyroid hormone-related protein (PTHrP) are two peptides that regulate mineral ion homeostasis, skeletal development, and bone turnover by activating parathyroid hormone 1 receptor (PTH1R). PTH1R signaling is of profound clinical interest for its potential to stimulate bone formation and regeneration. Recent pre-clinical animal studies and clinical trials have investigated the effects of PTH and PTHrP analogs in the orofacial region. Dental mesenchymal stem cells (MSCs) are targets of PTH1R signaling and have long been known as major factors in tissue repair and regeneration. Previous studies have begun to reveal important roles for PTH1R signaling in modulating the proliferation and differentiation of MSCs in the orofacial region. A better understanding of the molecular networks and underlying mechanisms for modulating MSCs in dental diseases will pave the way for the therapeutic applications of PTH and PTHrP in the future. Here we review recent studies involving dental MSCs, focusing on relationships with PTH1R. We also summarize recent basic and clinical observations of PTH and PTHrP treatment to help understand their use in MSCs-based dental and bone regeneration.

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