在人类双胞胎中解开先天和获得的免疫力
Jean-Laurent Casanova1, Laurent Abel2
1St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA; Howard Hughes Medical Institute, New York, NY, USA; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Inserm U1163, Necker Hospital for Sick Children, Paris, France; Paris Descartes University, Imagine Institute, Paris, France; Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, Paris, France.
血细胞计数的遗传性,特别是那些参与适应性免疫的血细胞计数,随着年龄的增长而显著下降. 这一发现挑战了固定的先天免疫的概念,表明获得的因素随着时间的推移变得越来越占主导地位.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 遗传学 是一个
- 血液学 血液学 血液学
背景情况:
- 区分先天免疫和获得免疫是生物学中一个长期存在的挑战.
- 免疫包括各种细胞类型和遗传倾向之间的复杂相互作用.
研究的目的:
- 为了研究血液细胞计数的遗传性如何在一个人的一生中发生变化.
- 为了确定特定的免疫细胞系是否表现出与年龄相关的遗传性变化.
主要方法:
- 分析不同年龄组的血清数据.
- 统计建模以评估各种造血细胞系的遗传性.
主要成果:
- 淋巴细胞子集的遗传性,对于适应性免疫至关重要,随着年龄的增长显著下降.
- 相比之下,来自其他造血系的细胞的遗传性表现出与年龄相关的不那么剧烈的衰退.
结论:
- 对适应性免疫的遗传影响,如淋巴细胞计数所反映,随着时间的推移而减少.
- 随着个体年龄的增长,获得的因素在塑造适应性免疫力方面发挥着越来越重要的作用.
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