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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
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Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
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异性食道炎驱动组织纤维细胞再生计划向病理性功能障碍.

Medet Jumabay1, Edsel M Abud2, Kevin Okamoto1

  • 1Department of Pediatrics, University of California, San Diego, Calif; Division of Allergy Immunology, University of California, San Diego, Calif.

The Journal of allergy and clinical immunology
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PubMed
概括
此摘要是机器生成的。

在性食道炎 (EoE) 中的慢性炎症会产生致病性纤维细胞,阻碍组织修复. 向腺三酸盐处理和CD73可能会恢复纤维细胞功能,并改善2型炎症疾病的愈合.

关键词:
这就是ATPATPATP ATP.CD73 CD73 CD73 CD73 CD73 CD73 CD73 CD73 CD73 CD73 CD73埃索诺菲尔性食道炎是什么?氨酸 (Adenosine) 是一种氨酸.纤维化 纤维化改造 改造 改造 改造 改造 改造

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科学领域:

  • 胃肠病学 胃肠病学
  • 免疫学 免疫学 免疫学
  • 细胞生物学 细胞生物学

背景情况:

  • 病理组织重塑,痕和硬是炎症性,自身免疫性和过敏性疾病的标志.
  • 性食道炎 (EoE) 涉及组织重塑,导致食道障碍和食道狭窄,但潜在的分子机制尚不清楚.
  • 纤维细胞功能障碍与EoE相关的组织重塑有关.

研究的目的:

  • 为了调查慢性EoE炎症诱导具有受损组织再生和运动性的致病性纤维细胞的假设.
  • 为了阐明驱动纤维细胞功能障碍的分子机制,EoE.

主要方法:

  • 单细胞RNA测序以分析EoE和健康纤维细胞的转录特征.
  • 光激活细胞分类 (FACS) 和功能测试,以评估纤维细胞分化,迁移和CD73活性.
  • 在体内和体外实验中诱导和拯救EoE纤维细胞功能障碍.

主要成果:

  • EoE纤维细胞表现出亲炎性和亲刚性转录程序,保留了类似于冠状细胞的分化,但失去了类似于脂肪细胞的能力.
  • EoE纤维细胞显示迁移增加和CD73表达和活性降低,表明异常的细胞外腺三酸盐处理.
  • 在健康的纤维细胞中,EoE纤维细胞功能障碍可以通过降低CD73活性来重现,并通过腺重复逆转.

结论:

  • 慢性EoE炎症驱动病原性纤维细胞表型,其特点是改变了组织再生和运动性.
  • 干扰细胞外腺三酸盐处理和CD73活性是EoE纤维细胞功能障碍的关键机制.
  • 调节腺三酸盐处理和CD73为改善EOE和其他2型炎症疾病中的组织再生提供了潜在的治疗策略.