Canine Periodontal Stem Cells: Isolation, Differentiation Potential and Electronic Microscopic Characterization


  • Abdolmohammad Kajbafzadeh Department of Urology, Children’s Hospital Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
  • Anna Saffarpour Department of Periodontology, Tehran University of Medical Sciences, International Campus, Iran.
  • Davood Sharifi Department of clinical Sciences, Faculty of Veterinary Medicine, University of Tehran,Tehran, Iran.
  • Hamideh Salari Sedigh Department of clinical Sciences, Faculty of Veterinary Medicine, University of Tehran,Tehran, Iran.
  • Mahdi Ashouri Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Shahed University of Medical Sciences, Tehran, Iran.
  • Parviz Torkzaban Dental Research Center and Dental School, Hamadan University of Medical Sciences, Hamadan, Iran.
  • Seyed Mahdi Nassiri Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
  • Shahram Jamshidi Department of clinical Sciences, Faculty of Veterinary Medicine, University of Tehran,Tehran, Iran.
چکیده مقاله:

Objective- Investigating of the isolation, culture, differentiation potential and electronic microscopic characterization of canine periodontal ligament stem cells (PDLSCs). Design- Experimental in vitro study Animals- Four intact, male, mongrel dogs, 8-10 months-old were selected to collect PDLSCs from their teeth. Procedures- The dogs were anesthetized and the first maxillary and mandibular premolars were extracted for the isolation of periodontal ligament cells (PDLCs). Canine PDLCs were plated and culture expanded through 3 successive subcultures. The resultant cells were then plated at differentiating conditions into bone and adipose cell lineages in order to confirm their mesenchymal stem cell character. Furthermore for the first time we studied PDLSCs ultrastructural morphology by scanning and transmission electron microscopy (SEM and TEM). Results- based to our observations, isolated canine PDLSCs exhibited mesenchymal stem cells (MSCs) characteristics such as fibroblastic appearance, clonogenicity, high proliferation and easily differentiation into osteocyte and adipocyte. This study determined morphologically by electron microscopy a secreted extracellular matrix (ECM) around the PDLSCs and also they contained abundant organelles, such as mitochondria, ribosome, rough endoplasm and collagen fiber as assessed by transmission electron microscopy. Conclusion- Fibroblastic cells from canine PDLCs are capable to be expanded and proliferated in vitro and have differentiation potential into two skeletal lineages; hence they are MSCs that are suitable for cell therapy experimentations.

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عنوان ژورنال

دوره 05  شماره 1-2

صفحات  19- 28

تاریخ انتشار 2010-08-01

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