Sakimoto Tohru, Shoji Jun, Inada Noriko, Saito Keiko, Iwasaki Yutaka, Sawa Mitsuru
Department of Ophthalmology, Nihon University School of Medicine, Tokyo, Japan.
Jpn J Ophthalmol. 2002 Jul-Aug;46(4):364-69. doi: 10.1016/s0021-5155(02)00503-8.
To investigate conjunctiva-associated lymphoid tissue (CALT) in the mouse conjunctiva by histological methods.
The presumed follicular tissue in the conjunctiva of normal mice, age ranging from 4 to 6 weeks, was histologically investigated by the hematoxylin-eosin staining method. Next, we treated the mice with topical instillation of a combined solution of ovalbumin and cholera toxin B to investigate the morphological changes of conjunctival follicles to antigen challenge. The treated mice underwent sequential clinical examinations, and the conjunctival follicular tissue was examined by an immunohistochemical method using anti-CD4 antibody, anti-CD8 antibody, and anti-S-100 antibody.
Follicular tissue was present on the mouse nictitating membrane. Both size and number of follicular tissue areas increased with topical ovalbumin treatment. Immunohistochemical study revealed CD4, CD8, and S-100 positive cells in the follicular tissue. The epithelial layer, corresponding to follicular tissue, demonstrated intra-epithelial pocket and the presence of CD4-positive cells in the intra-epithelial pocket.
Follicular tissue at the nictitating membrane is CALT in the mouse.
通过组织学方法研究小鼠结膜中的结膜相关淋巴组织(CALT)。
采用苏木精-伊红染色法对4至6周龄正常小鼠结膜中的假定滤泡组织进行组织学研究。接下来,我们通过局部滴注卵清蛋白和霍乱毒素B的混合溶液处理小鼠,以研究结膜滤泡对抗原刺激的形态学变化。对处理后的小鼠进行连续的临床检查,并使用抗CD4抗体、抗CD8抗体和抗S-100抗体通过免疫组织化学方法检查结膜滤泡组织。
在小鼠瞬膜上存在滤泡组织。局部给予卵清蛋白处理后,滤泡组织区域的大小和数量均增加。免疫组织化学研究显示滤泡组织中有CD4、CD8和S-100阳性细胞。与滤泡组织相对应的上皮层显示上皮内陷窝,且上皮内陷窝中有CD4阳性细胞。
瞬膜处的滤泡组织是小鼠的CALT。