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Cell Journal، جلد ۱۰، شماره ۳، صفحات ۲۰۵-۲۱۲
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عنوان انگلیسی In Vivo Bone Formation By Canine Mesenchymal Stem Cells Loaded Onto HA/TCP Scaffolds: Qualitative And Quantitative Analysis
چکیده انگلیسی مقاله Objective: Biphasic ceramics of hydroxyapatite and three calcium phosphate (HA/
TCP) are increasingly being used as a bone substitute in regenerative surgery. To 
increase the bone forming capacities, HA/TCP Scaffolds could be enriched with osteogenic factor like mesenchymal stem cells (MSCs) which is the subject of present study.
Materials and Methods: Passaged-3 culture-expanded MSCs of canines bone marrow were suspended in a diluted collagen gel and loaded onto commercially-available 
HA/TCP ceramics. The cell-loaded scaffolds were then autologously implanted along 
with the control cell-free scaffolds in masseter muscles of the four mongrel dogs. Eight 
weeks later, the parts of their muscles including the implants were prepared for a 
light microscopy. To quantify the amount of bone formation, the slides of both studied 
groups were photographed and the percent area of the newly formed bone was calculated using Image-Pro Plust software.
Results: According to our observations, the implants were appeared to be encapsulated by fibrous tissue within the muscle. No cartilage tissues were observed in 
implantation site. Histological observation indicated that ectopic bone was formed in 
both MSCs-loaded scaffolds as well as the control cell-free implants. The percentage 
of newly formed bone for cell loaded HA/TCP scaffolds was %29.12±6.01 compared 
to %23.55±4.99 of the cell-free implants (p<0.05). Furthermore, lamellar mature bone 
was only observed in cells/scaffold groups.
Conclusion: Taken together, it seems that MSCs enhance bone formation capacity of 
HA/TCP. The formed bone following MSCs/scaffold composite implantation appeared 
to be histologically lymature lamellar bone. 
کلیدواژه‌های انگلیسی مقاله Canine Mesenchymal Stem Cells, HA/TCP Biphasic Ceramic, In Vivo Ectopic Bone Formation
نویسندگان مقاله Mohamadreza Baghaban Eslaminejad |
Stem Cells Department, Cell Sciences Research Center, Royan Institute, ACECR, Tehran, Iran

Mohammad Jafarian |
Oral and Maxillofacial Surgery Department, Taleghani University Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Arash Khojasteh |
Oral and Maxillofacial Surgery Department, Taleghani University Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Fatemeh Mashhadi Abbas |
Oral and Maxillofacial Surgery Department, Taleghani University Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Mohammad Mehdi Dehghan |
Clinical Science Department, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran

Rahele Hassanizadeh |
Iranian Center for Dental Research, Shahid Beheshti University of Medical Sciences, Tehran, Iran

نشانی اینترنتی https://www.celljournal.org/article_248196_c417066f4f05bd6f277b995b236ce54c.pdf
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