在性别确认治疗期间免疫系统的适应
Tadepally Lakshmikanth1, Camila Consiglio1,2, Fabian Sardh3,4
1Department of Women's and Children's Health, Karolinska Institutet, Solna, Sweden.
Nature
|September 4, 2024
概括
通过抑制I型干扰素和促进瘤亡因子通路, 丸激素显著改变了跨性别男性的免疫反应. 这些发现揭示了性激素的动态免疫调节,并影响了对性免疫差异的理解.
科学领域:
- 免疫学
- 内分泌学
- 遗传学
背景情况:
- 感染性,炎症性和自身免疫性疾病在男女之间表现不同.
- 女性对疫苗的反应更强烈,副作用的发生率更高,长期COVID的风险更高.
- 免疫性差异源于遗传,荷尔蒙和行为因素,它们的相互作用尚未完全阐明.
研究的目的:
- 调查性别确认治疗对跨性别男性的免疫后果.
- 了解如何调节免疫细胞功能和细胞因子的产生.
- 探索不同性别免疫反应的含义.
主要方法:
- 对23名接受丸激素治疗的跨性别男性进行了纵向系统级分析.
- 使用流细胞计和细胞因子测定来评估免疫细胞功能和细胞因子概况.
- 分析了公共数据集以证实 cisgender 群体的发现.
主要成果:
- 发现可以调节I型干扰素与瘤亡因子 (TNF) 之间的相互作用.
- 在血细胞树突细胞和单细胞中观察到I型干扰素反应的功能衰减.
- 激素增强了单细胞TNF,互白素-6和互白素-15的产生,激活了NF-κB通路,并增强了自然杀手细胞的干扰素-γ反应.
结论:
- 能动态调节人体免疫反应,影响I型干扰素和TNF信号通路.
- 跨性别男性的研究结果提供了关于性激素对免疫力的洞察力,这与激素治疗和 cisgender 群体相关.
- 这项研究强调性激素在塑造免疫细胞功能和炎症反应中的关键作用.
相关概念视频
Cell-mediated Immune Responses
67.9K
Overview
67.9K
Testosterone: Functions and Regulation
580
The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
580
Signs of Puberty
286
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
286
Special Features of Adaptive Immunity
779
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
779
What is the Immune System?
110.9K
Overview
110.9K
B Cell Activation and Differentiation
1.7K
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
1.7K


