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EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

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Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
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空间转录组学通过新兴的细胞生态系统来分层牛皮病的严重程度.

Rochelle L Castillo1,2, Ikjot Sidhu3,4, Igor Dolgalev4,5

  • 1Division of Rheumatology, Department of Medicine, NYU Langone Health, New York, NY 10016, USA.

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牛皮 (PsO) 涉及明显的皮肤炎症特征和免疫细胞变化. 严重的PsO会改变远处的皮肤细胞和代谢组成,影响整体健康.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 皮肤病学 皮肤病学
  • 基因组学就是基因组学.

背景情况:

  • 人类炎症性皮肤疾病具有复杂的细胞和分子特征.
  • 这些疾病的组织背景和系统影响尚未完全理解.
  • 牛皮 (PsO) 作为免疫媒介疾病的模型,具有潜在的皮肤外表现.

研究的目的:

  • 用空间转录学来分析人类牛皮的情况.
  • 了解健康和炎症皮肤之间的免疫微环境的差异.
  • 调查牛皮对组织背景和细胞组成的系统影响.

主要方法:

  • 对25个健康,活跃的病变和未参与的皮肤活检进行空间转录学 (ST) 分析.
  • 与公开的单细胞转录组学数据的整合.
  • 组织尺度地图绘制以确定核心疾病特征.

主要成果:

  • 健康皮肤和炎症皮肤之间的免疫细胞的显著差异.
  • 在活跃的病变中识别炎症的基础上表皮状态和B淋巴细胞.
  • 根据疾病严重程度的病变和非病变样本的分层,与巨细胞,纤维细胞和淋巴细胞中的代谢功能障碍签名有关.

结论:

  • 轻度和重度的牛皮表现出不同的分子特征.
  • 严重的牛皮显著改变了远端,未受影响的皮肤的细胞和代谢状态.
  • 这项研究为皮肤研究提供了宝贵的空间转录学资源.