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Isolation, Characterization and Comparative Differentiation of Human Dental Pulp Stem Cells Derived from Permanent Teeth by Using Two Different Methods
14:52

Isolation, Characterization and Comparative Differentiation of Human Dental Pulp Stem Cells Derived from Permanent Teeth by Using Two Different Methods

Published on: November 24, 2012

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CKIP-1 suppresses odontoblastic differentiation of dental pulp stem cells via BMP2 pathway and can interact with NRP1

Yihua Song1, Chenfei Wang1, Zhifeng Gu2

  • 1a Department of Stomatology , Affiliated Hospital of Nantong University, Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University , Nantong , Jiangsu , China.

Connective Tissue Research
|June 2, 2018
PubMed
Abstract

Insights

Casein kinase 2 interacting protein-1 (CKIP-1) inhibits odontoblastic differentiation in human dental pulp stem cells (DPSCs). Inhibiting CKIP-1 promotes differentiation via BMP2-Smad1/5 signaling, suggesting therapeutic potential for dental caries.

Area of Science:

  • Biomedical Science
  • Stem Cell Biology
  • Regenerative Dentistry

Background:

  • Casein kinase 2 interacting protein-1 (CKIP-1) is an intracellular regulator involved in bone formation and cell differentiation.
  • Odontoblastic differentiation is crucial for dentin regeneration and maintaining dental health.

Purpose of the Study:

  • To investigate the role of CKIP-1 in the odontoblastic differentiation of human dental pulp stem cells (DPSCs).
  • To elucidate the mechanism by which CKIP-1 regulates BMP2-Smad1/5 signaling during this process.

Main Methods:

  • DPSCs were treated with CKIP-1 siRNA or a full-length plasmid.
  • Cells were cultured in odontoblastic differentiation medium with or without noggin.
  • Techniques included western blot, RT-PCR, ALP staining, alizarin red S staining, and immunoprecipitation.

Main Results:

  • CKIP-1 expression decreased during odontoblastic differentiation.
  • CKIP-1 inhibition upregulated odontoblastic differentiation via BMP2-Smad1/5 signaling.
  • CKIP-1 overexpression inhibited differentiation and interacted with Neuropilin-1 (NRP1).

Conclusions:

  • CKIP-1 negatively regulates odontoblastic differentiation in DPSCs.
  • Inhibiting CKIP-1 may offer a novel therapeutic strategy for dental caries treatment.
Keywords:
BMP2-Smad1/5 signalingNeuropilin-1 (NRP1)casein kinase 2 interacting protein-1 (CKIP-1)dental pulp stem cells (DPSCs)odontoblastic differentiation (OD)

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