求翻译：委托上海康成生物工程有限公司完成基因芯片工作，采用NimbleGen表达谱芯片对MACC1基因转染前后的胃癌细胞株BGC-823的基因进行研究，该芯片包括29250个基因。是什么意思？

Commissioned Shanghai Kangcheng Sheng Bio-Engineering Co., Ltd. to complete the gene chip, nimblegen gastric cancer cell line BGC-823 gene expression before and after the to spectrum the chip macc1 gene transfection study, the chip includes 29 250 genes.

Shanghai, a bio-engineering limited Gene Chip completed work in a spectrum expression NimbleGen MACC chips to 1 before and after gene transfer of gastric cancer cells infected with strains of BGC - 823 genes, the chips, including 29,250 genes.

Entrusts Shanghai Kang to become the bio-engineering limited company to complete the gene chip work around, uses the NimbleGen expression spectrum chip to dye to the MACC1 gene extension the stomach cancer cell line BGC-823 gene to conduct the research, this chip including 29250 genes.

Shanghai Kang bio-engineering limited company complete gene chips, MACC1 gene transfection with NimbleGen microarray study the genes of gastric cancer cell line BGC-823 before and after, the chip includes 29,250 gene.