Carboxymethylated chitosan effects on proliferation of Schwann cells and expression of nuclear factor kappa B / 中国组织工程研究
Chinese Journal of Tissue Engineering Research
;
(53): 389-394, 2014.
Article
in Chinese
| WPRIM
| ID: wpr-443687
ABSTRACT
BACKGROUND:
Carboxymethylated chitosan is shown to promote some kinds of cells proliferation, but its effects on proliferation of Schwann cells need further studies.OBJECTIVE:
To investigate the effects of carboxymethylated chitosan on proliferation of Schwann cells and expression of nuclear factor-κB in cultured Schwann cells.METHODS:
Schwann cells from Sprague-Dawley rats at logarithmic growth phase were seeded in 96-wel plates, and cultured respectively with PBS, 0, 10, 50, 100, 200, 500, 1 000 mg/L carboxymethyl chitosan for 24 hours. cellproliferation was detected using the cellcounting kit-8 assay. After trypsin digestion, Schwann cells from Sprague-Dawley rats at logarithmic growth phase were used to prepare cellsuspensions, which were seeded in 6-wel cellculture plates and cultured respectively with 50, 100 and 200 mg/L carboxymethyl chitosan and PBS for 24 hours. Then, 5-bromo-2-deoxyuridine, real-time PCR and western blot assay were performed. RESULTS ANDCONCLUSION:
cellcounting kit-8 and 5-bromo-2-deoxyuridine detection results showed that carboxymethyl chitosan at 50-1000 mg/L, especial y at 200-500 mg/L, could promote Schwann cellproliferation. Real-time PCR and western blot results showed 50-200 mg/L carboxymethyl chitosan could promote nuclear factorκB mRNA and protein expression in Schwann cells in a dose-dependent manner, suggesting carboxymethyl chitosan can promote Schwann cellproliferation and expression of nuclear factor-κB in Schwann cells cultured in vitro.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Chinese Journal of Tissue Engineering Research
Year:
2014
Type:
Article
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