皮肤免疫屏障的时间成熟在地形上是不同的
Anikó Kapitány1, Lilla Soltész2, Vivien Stercel3
1Department of Dermatology, Center of Excellence, Faculty of Medicine, University of Debrecen, 98. Nagyerdei Krt. Debrecen H-4032, Hungary; HUN-REN-DE Allergology Research Group, 98. Nagyerdei Krt. Debrecen H-4032, Hungary.
皮肤的免疫屏障从童年到成年期在不同地区的成熟程度不同. 富含油脂腺的皮肤显示出更多的免疫发育,这可能解释了青少年炎症性皮肤疾病.
科学领域:
- 皮肤病学 皮肤病学
- 免疫学 免疫学 免疫学
- 发展生物学 发展生物学
背景情况:
- 成人的皮肤表现出化学,物理,微生物群和免疫屏障的区域差异.
- 关于不同年龄组的地形免疫差异的数据有限.
- 了解皮肤免疫屏障的成熟对于解决与年龄有关的皮肤疾病至关重要.
研究的目的:
- 调查儿童,青少年和成年期不同皮肤区域 (富含脂质腺[SGR]和缺乏脂质腺[GP]) 免疫屏障的时间成熟.
- 在发育过程中比较SGR和GP皮肤的免疫特征.
- 为了识别可能导致炎症性皮肤疾病的年龄和区域特定的免疫变化.
主要方法:
- 对儿童,青少年和成年人的健康SGR和GP皮肤中的免疫细胞和媒介表达的分析.
- 使用TaqMan低密度阵列进行mRNA分析.
- 采用免疫组织化学和免疫光技术用于细胞和蛋白质检测.
主要成果:
- SGR皮肤显示了Th17相关分子的mRNA水平增加和从童年到成年期的IL-1B显著增加.
- 在SGR皮肤中,T细胞,Treg,树突细胞数量和与Th17相关的蛋白质水平 (IL-17,IL-10,IL-23,CCL20,S100A8,sfTSLP,LCN2) 与年龄相比显著增加.
- 医生皮肤表现出AHR mRNA的降低和Th17相关蛋白质的适度增加.
- 免疫成熟的区域差异,特别是IL-17通路,在青春期出现,在成年期变得显著,有利于SGR皮肤.
结论:
- 无论是SGR还是GP的皮肤区域都经历了类似的免疫屏障成熟过程.
- 在青春期和之后,SGR皮肤表现出更明显的免疫发育,包括免疫细胞透和细胞因子生产的增加.
- 这些特定于年龄和地区的SGR皮肤的免疫变化可能是青少年炎症性皮肤疾病的高发病率的基础,强调了针对性护肤的必要性.
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