Effect of chitooligosaccharides on <Emphasis Type="Italic">cyclin D1, bcl-xl</Emphasis> and <Emphasis Type="Italic">bcl-2</Emphasis> mRNA expression in A549 cells using quantitative PCR
[1]Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, China1 [2]Bioengineering Institute, Jinan University, Guangzhou 510632, China