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Biological Evaluation of Bone Marrow-Derived Stem Cells onto Different Wettability by RT-PCR  

김은정 (전북대학교 유기신물질공학과)
박종수 (한국화학연구원 나노생체의료고분자)
김문석 (한국화학연구원 나노생체의료고분자)
조선행 (한국화학연구원 나노생체의료고분자)
이종문 (전북대학교 유기신물질공학)
이해방 (한국화학연구원 나노생체의료고분자)
강길선 (전북대학교 유기신물질공학과)
Publication Information
Polymer(Korea) / v.28, no.3, 2004 , pp. 218-224 More about this Journal
Abstract
The adhesion and proliferation of mammalian cells on polymeric biomaterials depend on the surface characteristics such as wettability, chemistry, charge and roughness. In order to recognize the correlation between the adhesion and proliferation of human bone marrow derived stem cells (BMSCs) and surface property, radio frequency generated plasma treatment on low density polyethylene (LDPE) has been carried out. The modified LDPE surfaces were characterized by measuring the static water contact angle. The adhesion and proliferation of cells on LDPE films were characterized by cell counting and reverse transcription-polymerase chain reaction (RT-PCR). The water contact angle of the film surface decreased with plasma treatment time. Proto-oncogenes (c-myc, c-fos) and tumor suppressor gene (p153) showed maximum expression with contact angle of 60 ∼ 70$^{\circ}$ range of LDPE film. By cell counting, we confirmed that the rate of cell proliferation appeared the higher on the film surface of the contact angle of 60∼70$^{\circ}$ We concluded that the surface wettability is an important role for the growth and differentiation of BMSCs.
Keywords
LDPE film; plasma treatment; surface wettability; contact angle; pnto -oncogene; tumor suppressor gene;
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