在彩虹鱼中,有组织的鼻关联淋巴组织的本体发生
Benjamin J Garcia1, Narmin Musayeva1, Alexis Reyes1
1Center for Evolutionary and Theoretical Immunology, Department of Biology, University of New Mexico, Albuquerque, NM, 87131, USA.
Developmental and comparative immunology
|December 6, 2024
概括
彩虹鱼通过免疫细胞的连续播种,从CD8α+ T细胞开始,开发有组织的鼻关联淋巴组织 (O-NALT). 这种1400度天的结构化O-NALT形成可能表明年轻鱼类的粘膜疫苗接种的最早有效时间.
科学领域:
- 免疫学 免疫学 免疫学
- 发育生物学 发展生物学
- 水产养殖是水产养殖的一种方式.
背景情况:
- 了解远端粘膜关联淋巴组织 (MALT) 发育对于年轻鱼类有效的粘膜疫苗接种策略至关重要.
- 有组织的鼻关联淋巴组织 (O-NALT) 是鱼类免疫系统的关键组成部分,但其发育时间表尚未完全理解.
研究的目的:
- 在彩虹鱼中阐明了有组织的鼻关联淋巴组织 (O-NALT) 形成的发育序列.
- 为了确定O-NALT本体发生的基础的细胞和分子事件.
- 根据O-NALT开发,确定有效的粘膜疫苗接种的最早时间点.
主要方法:
- 对彩虹鱼鼻腔组织的组织学和免疫光分析,跨越了发育范围 (3401860度天).
- 在O-NALT开发过程中识别免疫细胞群 (CD8α+,IgM+,cd4-2b+).
- 全身基因表达分析 (igmh,cd4-2b,cd8a) 与细胞播种相关.
主要成果:
- O-NALT最初是由CD8α+ T细胞在700度日 (DD) 左右播种的.
- IgM+ B 细胞和 cd4-2b+ 细胞以 1000 DD 的速度殖民 O-NALT.
- 在1400DD观察到完全形成的O-NALT结构,基因表达模式反映了淋巴细胞播种序列.
结论:
- 在彩虹鱼中O-NALT的形成遵循由CD8α+ T细胞启动的特定殖民序列.
- 完整的O-NALT结构在1400DD表明这是诱导长期持续的最早的发育阶段,通过粘膜疫苗接种诱导特定的免疫反应.
相关概念视频
Lymphoid Cells and Tissues
3.4K
Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
3.4K
Primary Lymphoid Organs
9.6K
Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
9.6K
Development of the Lymphatic System
2.9K
The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
2.9K


