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相关概念视频

Cells of the Adaptive Immune Response01:23

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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...
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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.
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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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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.
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形状多样化的固定细胞材料用于多重标免疫调节.

Ana Rita Sousa1, Ana F Cunha1, Ana Santos-Coquillat1

  • 1Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, 3810-193, Portugal.

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|May 13, 2024
PubMed
概括
此摘要是机器生成的。

研究人员开发了固定的3D细胞材料,以增强细胞疗法. 这些免疫调节物质在体外和体内减少炎症,为活体治疗细胞提供了稳定的替代方案.

关键词:
细胞材料是细胞材料.固定细胞丰富的材料.免疫调节 免疫调节 免疫调节免疫抑制是一种免疫抑制.形状适应性 - 形状适应性

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科学领域:

  • 生物材料科学 生物材料科学
  • 细胞治疗工程 细胞治疗工程
  • 免疫调节是一种免疫调节.

背景情况:

  • 目前的细胞疗法使用活细胞,冒着迁移和表型变化的风险.
  • 单细胞的使用导致了快速的体内清除.
  • 三维细胞材料为持续的治疗效果和结构结构提供了潜力.

研究的目的:

  • 开发具有免疫调节性质的多变形状,固定细胞基材料.
  • 为了稳定细胞结构用于治疗应用.
  • 研究这些材料的抗炎作用在体外和体内.

主要方法:

  • 生体细胞聚合物 (球体,纤维) 的制造,其次是固定.
  • 评估3D结构的结构完整性,强度和灵活性.
  • 在体外评估对人类巨细胞 (NF-κB通路) 的抗炎作用.
  • 在小鼠皮肤伤口上的体内研究.
  • 对T淋巴细胞增殖和调控性群体变化的分析.

主要成果:

  • 成功制造了具有结构完整性的固定3D细胞材料.
  • 材料在体外证明了对巨细胞的抗炎作用,与表面积相关.
  • 在小鼠皮肤伤口上的体内研究证实了炎症的减少.
  • 与物质接触减少了激活的T淋巴细胞增殖,并促进了调节性T细胞群.

结论:

  • 细胞结构的固定是表型稳定的一种多功能方法.
  • 这种方法可以创建具有治疗潜力的免疫调节材料.
  • 固定的3D细胞材料为活细胞疗法提供了一个有希望的替代方案,减轻迁移和不可预测的表型的风险.