EC

1.Uridine-cytidine kinase (UCK) (EC 2.7.1.48) is a pyrimidine ribonucleoside kinase that catalyzes the phosphorylation of uridine and cytidine to UMP and CMP.

本论文的第一章中主要是对人类尿苷胞苷激酶（UCK，EC 2.7.1.48）基因进行的一系列研究。

2.Conclusion: The incidence of SCCHN in our EC patients was 11.4%. Periodic otolaryngological examination and pharyngoscopy screening can detect SCCHNs early in patients with primary EC.

食道癌患者中头颈部鳞状细胞癌的发病率11.4%。对原发性食道癌患者进行耳鼻喉科检查和咽镜检查可以检出早头颈部鳞状细胞癌。