在自身免疫性胃炎中对转质形成的新见解
Tatiana S Driva1, Stratigoula Sakellariou1, Irene Theochari1
11st Department of Pathology, General Hospital of Athens "Laiko", Medical School, National and Kapodistrian University of Athens, Athens, Greece.
Histopathology
|December 15, 2025
概括
自身免疫性胃炎 (AIG) 会导致胃中的代谢.
科学领域:
- 胃肠道学和病理学
- 细胞生物学和分子病理学
背景情况:
- 自身免疫性胃炎 (AIG) 的特征是氧化粘膜的慢性炎症.
- 在AIG中发生的转化性变化,包括甲状腺样转化和肠道转化 (IM),需要进一步调查它们的起源和临床意义.
研究的目的:
- 在H.pylori阴性自身免疫性胃炎 (AIG) 中表征甲状腺状转化症和肠道转化症 (IM).
- 评估AIG中这些代塑性变化的起源和预后意义.
主要方法:
- 147个H.pylori阴性AIG胃活检的回顾性分析.
- 针对MUC5AC,MUC6,TFF2和CDX2进行了免疫组织化学染色,这些染色是在选定的情况下进行的.
主要成果:
- 在AIG氧化性粘膜中,甲状腺类型的转化成形 (98.6%) 和肠道转化成形 (IM) (81.6%) 是普遍存在的.
- 代塑性腺体表现出表达MUC6和MUC5AC的独特亚型,有肠道转基因分化的证据.
- 观察到双类型的胃粘膜细胞共同表达MUC5AC-CDX2和MUC6-CDX2,这表明它们具有可塑性.
结论:
- 在AIG中,氧化性粘膜转化症涉及不同的转化性亚型和肠道转化分化.
- 在AIG中,自身免疫性转移性背景似乎不会促进肠类腺癌的发展.
相关概念视频
Gastritis-I: Introduction and Types
2.1K
Gastritis, defined by the inflammation or irritation of the stomach lining or gastric mucosa, manifests in several distinct forms: acute, chronic, reactive, and a specific subtype known as autoimmune metaplastic atrophic gastritis.
Acute gastritis presents as a sudden inflammation triggered by various stressors to the stomach lining, such as exposure to corrosive agents, local irritants like aspirin and other NSAIDs, alcohol consumption, radiation therapy, physical trauma, severe burns, sepsis,...
Acute gastritis presents as a sudden inflammation triggered by various stressors to the stomach lining, such as exposure to corrosive agents, local irritants like aspirin and other NSAIDs, alcohol consumption, radiation therapy, physical trauma, severe burns, sepsis,...
2.1K
Gastritis-II: Pathophysiology
1.1K
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.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
1.1K
Gastritis III: Clinical Manifestations and Management
1.1K
The clinical manifestations of gastritis can vary depending on the cause and type of gastritis, but some common symptoms may include the following.
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
1.1K
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
507
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
507


