用于调节胃愈合的糖酸纳米颗粒的开发:针对氧化应激和炎症途径的实体比较研究
Mody Albalawi1, Sahar Khateeb1,2
1Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia.
Antioxidants (Basel, Switzerland)
|August 28, 2025
概括
糖酸纳米颗粒 (GLY-NP) 与欧美相比,对胃具有更强的胃保护作用. GLY-NP增强抗氧化防御和调节炎症通路,以获得更好的治疗结果.
科学领域:
- 胃肠病学
- 纳米医学
- 药理学
背景情况:
- 胃 (GU) 是一种普遍的胃肠道疾病,由于当前使用的药物如奥梅普拉 (OMP) 的副作用,治疗选择有限.
- 甘酸 (GLY) 是一种天然化合物,具有胃保护作用,但也与不良影响有关.
- 纳米颗粒配方的GLY可以提高其治疗效果和GU管理的安全性.
研究的目的:
- 通过水热方法合成和表征糖酸纳米粒子 (GLY-NP).
- 在老鼠的乙醇诱导胃模型中比较评估GLY-NP对梅的胃保护功效.
- 阐明GLY-NP在胃粘膜保护中的潜在分子机制.
主要方法:
- 通过水热方法合成GLY-NP,并使用TEM,XRD,FTIR和zeta电位进行了表征.
- 在雄性Wistar大鼠中使用乙醇诱导的胃模型进行体内评估.
- 进行了宏观,病理学,生物化学分析 (抗氧化酶,MDA) 和分子分析 (MAPK,NF-κB,TNF-α,IL-10,JAK2/STAT3,TGF-β1/Smad3,SIRT1/FOXO1/PGC-1α).
主要成果:
- 与OMP相比,GLY-NP显著减轻了胃粘膜损伤.
- GLY-NP显著改善了抗氧化状态并减少了氧化应激标志物,超过了OMP.
- GLY-NP有效调节炎症反应,并有利地调节涉及胃保护的关键信号通路.
结论:
- 在乙醇诱导的胃模型中,GLY-NP与OMP相比表现出更好的胃保护作用.
- GLY-NP的增强疗效归因于氧化应激,炎症和分子信号通路的综合调节.
- 在有效治疗胃方面,GLY-NP是有前途的纳米治疗候选药物.
相关概念视频
01:26Peptic Ulcer Disease IV: Management
145
Medical treatment strategies for peptic ulcers encompass various methods. The primary goal of treatment is to diminish gastric acidity and strengthen mucosal defense mechanisms.
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
145
01:20Drugs for Peptic Ulcer Disease: Prostaglandin Analogs as Mucosal Protective Agents
595
The gastric mucosa produces prostaglandins E2 (PGE2) and prostacyclin (PGI2), crucial in maintaining gastric health. They exert cytoprotective effects, including increasing bicarbonate secretion, releasing protective mucin, reducing gastric acid output, and preventing harmful vasoconstriction. These effects are mediated through various receptors, such as EP1, EP2, EP3, and EP4.
Non-steroidal anti-inflammatory drugs (NSAIDs) can induce peptic ulcers by inhibiting cyclooxygenase, decreasing...
Non-steroidal anti-inflammatory drugs (NSAIDs) can induce peptic ulcers by inhibiting cyclooxygenase, decreasing...
595
01:24Drugs for Peptic Ulcer Disease: Sucralfate as Mucosal Protective Agents
684
In the intricate landscape of the gastric lumen, excessive acid secretion disrupts the natural defense mechanisms, weakening the mucus-bicarbonate barrier. This vulnerability allows pepsin to infiltrate epithelial cells, digesting mucosal proteins and triggering erosion, leading to ulcer formation.
In this scenario, mucosal protective agents like sucralfate play an essential role. Sucralfate, a complex of sulfated sucrose and aluminum hydroxide, demonstrates its usefulness in acidic conditions,...
In this scenario, mucosal protective agents like sucralfate play an essential role. Sucralfate, a complex of sulfated sucrose and aluminum hydroxide, demonstrates its usefulness in acidic conditions,...
684
01:24Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors
523
Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI) tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining.
523
01:13Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors
525
Peptic ulcers, often induced by H. pylori infections or NSAID usage, arise from disruptions in the delicate balance of gastric acid production. Peptic ulcers stem from heightened gastric acid levels due to H. pylori infections or NSAID use. The protective mucus layer diminishes in the presence of these factors, allowing gastric acid to erode the stomach lining and form ulcers.
Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...
Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...
525
01:30Peptic Ulcer Disease I: Introduction
285
Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
285