Using FITC labeled RNase as a probe the distribution of RNA in gastric mucosa of patients with Chronic atrophic gastritis was obtained by gastroscopy.

• 采用异硫氰酸荧光素 (FITC)标记的核糖核酸酶 (FITC RNase)作为探针 ；结合半薄切片技术 ；观察了慢性萎缩性胃炎与正常胃活检组织中RNA的分布变化 .