RESUMO
In order to investigate the expression and the relationship of ubiquitin associated protein 1 (ubap1) gene and tumor-suppressor gene p16 in acute leukemia, 68 cases of acute leukemia and 22 control cases were selected in this experiment, FQ-PCR technique was used to detect the mRNA expression level of ubap1 gene and p16 gene in their bone marrow cells. The results showed that as compared with the control group, the ubap1 gene in acute leukemia group highly expressed (p<0.01), while the p16 gene lowly expressed (p<0.01). But grouping of patients according to FAB revealed that as compared with the control group, the ubap1 gene expression displayed statistical difference only in M4 and M5 of adult AML (p<0.05), while the p16 gene expression in all groups of adult AML showed significant difference (p<0.05) except M1 and M2. In addition to this, the ubap1 gene and p16 gene mRNA expression in AL was not relate with chromosome abnormality (p>0.05). A negative correlation (r=-0.827, p<0.01) was found between the ubap1 gene and p16 gene mRNA expressions in the control group. It is concluded that the upregulation of ubap1 gene expression mainly and the downregulation of p16 gene expression mainly may simultaneously participate in the pathogenesis of acute leukemia. High expression of ubap1 gene influences the M4 and M5 subtypes in AML. This discovery provides important theoretical basis for the further investigation of pathogenesis and targeting therapy of AL.