目的:探索豚鼠内耳Hensen细胞(Hensen cells ,HC)中透明物质的性质及分布。方法10只豚鼠分离制备好耳蜗单离 Hensen细胞后,采用中性脂滴的特异分子探针Bodipy 493/503、苏丹Ⅲ、油红O染色及锇酸再固定四种染色方法对内耳组织进行染色,观察耳蜗不同区域 Hensen细胞中脂滴的分布情况。结果豚鼠耳蜗不同区域Hensen细胞内均存在高透亮物质,从顶回至底回其体积逐渐变小,数量逐渐增加,至底回逐渐消失;该物质经Bodipy 493/503分子探针特异标记为绿色,被苏丹Ⅲ染色为橘红色,被油红 O染色为宝石红,被锇酸后固定后呈黑色颗粒,证实为脂滴。结论四种染色方法对内耳组织的染色结果均提示内耳 Hensen细胞中透明物质为脂类物质。
Objective To study the distribution and properly of the transparent globules within Hensen cells (HC) of guinea -pig Corti organ .Methods The cochlear epithelial cells were isolated from 10 guinea pigs .The cells of cochlea were marked by Bodipy493/503 ,sudan III ,oil red O ,and osmium tetroxide .Results The transpar‐ent globules within the HCs of the guinea -pigs were green staining by Bodipy493/503 ,jacinth staining by Sudan III ,ruby red by oil red O .And they were black globules stripe as post -fixed in 1% osmium tetroxide .Conclusion The results indicate that the transparent globules within guinea -pigs HCs'lipid droplets by four methods .