臨床的に活発な多発性硬化症において,イン・ビトロリンパ球の自発的な変容への傾向が増加する
Lancet (London, England)
|October 6, 1979
まとめ
活性型多発性硬化症 (MS) の患者のリンパ球は,静止状態のMSまたは健康なドナーのリンパ球とは異なり,培養の中で自発的に変異しました. これは,活発なMSにおける異常な免疫調節を示唆し,エプスタイン・バーウイルスと潜在的に関連している.
科学分野:
- 免疫学 免疫学とは
- 神経学 神経学とは
- ウイルス学 ウイルス学 ウイルス学
背景:
- 多発性硬化症 (MS) は慢性神経疾患である.
- MSの病原性における免疫系不調の役割は調査中です.
- インビトロにおける自発的なリンパ球変異は,潜在的免疫異常を示す可能性があります.
研究 の 目的:
- 多発性硬化症 (MS) の患者における自発的なリンパ球変容を調査する.
- 活性型MS,静止型MS,および健康な対照群におけるリンパ球の行動を比較する.
- リンパ球の変容とMSにおけるエプスタイン・バーウイルス (EBV) の潜在的な関連性を調査する.
主な方法:
- MS患者および健康なドナーのリンパ球のインビトロ培養.
- 自発的なリンパ球変容の評価.
- Bリンパ球マーカー (表面/細胞質免疫グロブリン,補完体受容体) に対して変異した細胞の特徴化.
- エプスタイン・バーウイルスの抗原を改変した細胞で検査する.
主要な成果:
- 自発的なリンパ球変容は,活発なMS患者の8/10で発生しました.
- トランスフォーメーションは静止状態のMS (3/18) と健康なドナー (4/20) での頻度は低かった.
- 変形した細胞は一貫してBリンパ球の特徴とEBV抗原を示した.
結論:
- 自発的なリンパ球変容は,活発なMSではかなり一般的です.
- これらの発見は,活発なMSにおける異常な免疫調節の仮説を支持する.
- この結果は,活発なMSで観察される免疫不調におけるEBVの潜在的な役割を示唆しています.
さらに関連する動画
12:58Expression of Exogenous Cytokine in Patient-derived Xenografts via Injection with a Cytokine-transduced Stromal Cell Line
Published on: May 10, 2017
08:22Retroviral Overexpression of CXCR4 on Murine B-1a Cells and Adoptive Transfer for Targeted B-1a Cell Migration to the Bone Marrow and IgM Production
Published on: May 31, 2020
関連する概念動画
Disorders of Leukocytes
Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune system...
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune system...
Cells of the Adaptive Immune Response
The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
B Cell Activation and Differentiation
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...
Immunodeficiency Diseases
Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
There are three main causes of immunodeficiency disorders...
