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相关概念视频

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Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
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Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
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相关实验视频

Updated: Sep 12, 2025

Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
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在IgG4相关疾病中CA19-9升高.

Derrick Hy Chong1, Andre Mattman2, Aaron Dou1

  • 1Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.

Annals of clinical biochemistry
|August 8, 2025
PubMed
概括

在IgG4相关疾病 (IgG4-RD) 中,碳水化合物抗原19-9 (CA19-9) 的升高不是由于血清IgG4干扰. 这一发现表明,IgG4-RD中CA19-9的升高与疾病有关,而不是来自胆道阻塞.

关键词:
碳水化合物抗原 19-9-9 的自己免疫性胰腺炎与免疫球蛋白G4相关的疾病.胰腺癌是一种癌症.

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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
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Detection of MicroRNA Expression in the Kidneys of Immunoglobulin A Nephropathic Mice
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相关实验视频

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科学领域:

  • 免疫学 免疫学 免疫学
  • 胃肠病学 胃肠病学
  • 在瘤学瘤学.

背景情况:

  • 免疫球蛋白G4相关疾病 (IgG4-RD) 可以模仿胰腺癌和肝胆癌.
  • 血清碳水化合物抗原19-9 (CA19-9) 是胆道癌症诊断的关键标志物.
  • 在IgG4-RD患者中观察到CA19-9的升高.

研究的目的:

  • 为了调查血清IgG4是否会干扰CA19-9的测量.
  • 为了确定CA19-9水平和IgG4-RD之间的关系.
  • 探索IGG4-RD患者CA19-9升高的潜在原因.

主要方法:

  • 对配对IgG4和CA19-9测量的质量保证分析.
  • 在体外混合研究以评估IgG4干扰与CA19-9测定.
  • 回顾性图表综述,比较IgG4-RD患者的CA19-9.9正常与升高.

主要成果:

  • 在487人中,血清IgG4和CA19-9水平之间没有发现任何关联.
  • 混合研究证实高IgG4对CA19-9测量没有干扰.
  • 在20名IgG4-RD患者中,11名CA19-9升高;在两组之间没有观察到胆红素水平的显著差异.

结论:

  • 血清IgG4不会干扰CA19-9的测量.
  • 在IgG4-RD中CA19-9的升高可能与疾病过程本身有关.
  • 这些发现使IgG4-RD与胆道阻塞在CA19-9升高的情况下有所区别.