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相关概念视频

Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
Amyloid deposits were observed as early as 1639 in the liver and the spleen.   In 1854, Rudolph Virchow performed iodine staining, normally used to...
Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
Amyloid deposits were observed as early as 1639 in the liver and the spleen.   In 1854, Rudolph Virchow performed iodine staining, normally used to...

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相关实验视频

Updated: Jun 27, 2026

Use of Two Dimensional Semi-denaturing Detergent Agarose Gel Electrophoresis to Confirm Size Heterogeneity of Amyloid or Amyloid-like Fibers
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Use of Two Dimensional Semi-denaturing Detergent Agarose Gel Electrophoresis to Confirm Size Heterogeneity of Amyloid or Amyloid-like Fibers

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轻链 (AL) 氨基粉症伪装成硬质皮肤病:一个诊断挑战

Kriti Dhamija1, Rahim A Jiwani2, Arjun Lakshaman2

  • 1Medicine Institute, Allegheny Health Network, Pittsburgh, PA 15212, USA.

Journal of hematology
|June 12, 2025
PubMed
概括
此摘要是机器生成的。

由于非特异性症状,诊断粉样蛋白轻链 (AL) 粉样蛋白症可能具有挑战性. 包括无血清轻链在内的全面测试对于及时诊断和有效管理这种全身性疾病至关重要.

关键词:
氨基粉症是什么?刚果红色染色是刚果红色的染色.免费的光链,可以轻松连接.燃烧着的多发性骨髓瘤

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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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相关实验视频

Last Updated: Jun 27, 2026

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科学领域:

  • 内部医学 内部医学
  • 心脏病学 心脏病学
  • 类风湿病学 类风湿病学

背景情况:

  • 系统性amyloidosis呈现出多样化,非特异性的症状,经常模仿其他条件.
  • 这种诊断挑战可能导致识别和治疗延迟.

研究的目的:

  • 为了突出系统性粉样化症的诊断挑战.
  • 强调全面评估在诊断粉样蛋白轻链 (AL) 粉样蛋白症时的重要性.

主要方法:

  • 一个中年女性初步诊断错误的案例介绍.
  • 对诊断工作的审查,包括蛋白质电泳和无血清轻链测试.
  • 心脏活检证实了粉样蛋白轻链 (AL) 的存在.

主要成果:

  • 患者的皮肤变厚,疲劳,关节炎和巨的症状最初被误认为是系统性硬化症.
  • 由于最初的实验室检测不完整,AL粉样粉症的诊断延迟了两年.
  • 综合评估,包括无血清轻链检测,导致了正确的诊断.

结论:

  • 在患有无法解释的全身症状的患者中,应考虑使用amyloidosis.
  • 彻底的诊断方法,包括特定的生物标志物,如无血清光链,对于准确和及时诊断AL粉样性粉症至关重要.
  • 及时诊断可以通过启动适当的治疗来改善患者的治疗结果.