编码RNA表达特征和转录因子分析与H.pylori相关的慢性缩性胃炎
Xinguo Wang1, Juan Dong1, Hao Sheng1
1Affiliated Hospital of Traditional Chinese Medicine of Xinjiang Medical University, Urumqi, Xinjiang Uygur Autonomous Region, China.
杆菌感染通过改变基因表达驱动了缩性胃炎 (CAG) 的进展. 像APOA1和CYP3A4这样的特定基因可能表明患胃癌 (GC) 的风险.
科学领域:
- 胃肠病学 胃肠病学
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 性胃炎 (CAG) 是胃癌 (GC) 的前体.
- 杆菌 (HP) 感染是CAG和随后的GC的主要原因.
- 了解HP诱导炎症的分子机制对于GC预防至关重要.
研究的目的:
- 研究HP感染诱导CAG慢性炎症的分子途径.
- 在CAG患者中鉴定HP感染改变的关键基因和生物过程.
- 探索潜在的生物标志物来预测CAG向GC的进展.
主要方法:
- 该研究包括28名CAG患者 (9名HP感染者,19名HP未感染者).
- 使用内镜,组织病理学和高通量mRNA测序.
- 使用定量实时PCR (qRT-PCR) 验证的差异表达基因 (DEG).
主要成果:
- 在CAG患者中,HP感染显著改变了基因表达特征.
- 确定了157个DEG,其中38个是上调监管和119个是下调监管.
- 关键的改变途径包括免疫反应,脂质代谢和化学致癌. 值得注意的是,在HP感染患者中,APOA1和CYP3A4显著上调,而FOXP3,CCR7和CCL19则下调.
结论:
- APOA1,CYP3A4,FOXP3,CCR7和CCL19的表达水平是潜在的生物标志物.
- 这些基因可以预测CAG向GC的进展.
- 它们可以作为不良GC预后的指标.
更多相关视频
05:23Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
03:47Retinal and Choroidal Thickness Changes in Populations with Helicobacter pylori Infection by Swept-Source Optical Coherence Tomography
Published on: November 1, 2024
相关概念视频
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
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.
Pathophysiology of Peptic Ulcer Disease: Injurious Factors
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds...
Ribosome Profiling
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Gastritis-II: Pathophysiology
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...
