Abstract:
:β-tricalcium phosphate (β-TCP) and platelet-rich plasma (PRP) are commonly used in bone tissue engineering. In the present study, a new composite combining strengthened β-TCP and PRP was prepared and its morphological and mechanical properties were investigated by scanning electron microscopy (SEM) and material testing. The biocompatibility was evaluated by measuring the adhesion rate and cytotoxicity of bone marrow stromal cells (BMSCs). The strengthened β-TCP/PRP composite had an appearance like the fungus Boletus kermesinus with the PRP gel distributed on the surface of the micropores. The maximum load and load intensity were 945.6±86.4 N and 13.1±0.5 MPa, which were significantly higher than those of β-TCP (110.1±14.3 N and 1.6±0.2 MPa; P<0.05). The BMSC adhesion rate on the strengthened β-TCP/PRP composite was >96% after 24 h, with a cell cytotoxicity value of zero. SEM micrographs revealed that following seeding of BMSCs onto the composite in high-glucose Dulbecco's modified Eagle's medium culture for two weeks, the cells grew well and exhibited fusiform, spherical and polygonal morphologies, as well as pseudopodial connections. The strengthened β-TCP/PRP composite has the potential to be used as a scaffold in bone tissue engineering due to its effective biocompatibility and mechanical properties.
journal_name
Exp Ther Medjournal_title
Experimental and therapeutic medicineauthors
Wang C,Zhong D,Zhou X,Yin K,Liao Q,Kong L,Liu Adoi
10.3892/etm.2014.1912subject
Has Abstractpub_date
2014-10-01 00:00:00pages
1081-1086issue
4eissn
1792-0981issn
1792-1015pii
etm-08-04-1081journal_volume
8pub_type
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journal_title:Experimental and therapeutic medicine
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journal_title:Experimental and therapeutic medicine
pub_type: 杂志文章
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