Furthermore,differential RT-PCR analysis demonstrated expression of ubap1wa s down-regulated or absent in 7of 11(64%)meningioma samples and 13of 18(72%)colorectal tumor tissues respectiv ely.

• 进一步采用差异RT-PCR方法发现UBAP1基因在64%25的脑膜瘤和72%25的结直肠癌活检组织中具有明显表达缺失/下调。