Xerostomia Therapy Due to Ionized Radiation Using Preconditioned Bone Marrow-Derived Mesenchymal Stem Cells

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9 Citations (Scopus)

Abstract

Objectives The aim of this study was to describe the process of regeneration of damaged salivary glands due to ionizing radiations by bone marrow mesenchymal stem cells (BM-MSCs) transplantation that have been given hypoxic preconditioning with 1% O 2 concentration. Materials and Methods Stem cell culture was performed under normoxic (O 2: 21%) and hypoxic conditions by incubating the cells for 48 hours in a low oxygen tension chamber consisting of 95% N 2, 5% CO 2, and 1% O 2. Thirty male Wistar rats were divided into four groups: two groups of control and two groups of treatment. A single dose of 15 Gy radiation was provided to the ventral region of the neck in all treatment groups, damaging the salivary glands. BM-MSCs transplantation was performed in the treatment groups for normoxia and hypoxia 24-hour postradiation. Statistical Analysis Statistical analysis was done using normality test, followed by MANOVA test (p < 0.05). Results There was a significant difference in the expression of binding SDF1-CXCR4, Bcl-2 (p < 0.05) and also the activity of the enzyme α-amylase in all groups of hypoxia. Conclusion BM-MSCs transplantation with hypoxic precondition increases the expression of binding SDF1-CXCR4, Bcl-2 that contributes to cell migration, cell survival, and cell differentiation.

Original languageEnglish
Pages (from-to)238-242
Number of pages5
JournalEuropean Journal of Dentistry
Volume13
Issue number2
DOIs
Publication statusPublished - 2019

Keywords

  • Bcl-2
  • SDF1-CXCR4
  • bone marrow mesenchymal stem cells
  • hypoxic precondition
  • salivary gland defect
  • α-amylase

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