末端器官免疫细胞的差异变化和对盐敏感高血压的炎症:增加M2巨细胞的影响
Shobana Navaneethabalakrishnan1, Bethany L Goodlett1, Hannah L Smith1
1Department of Medical Physiology, Texas A&M University College of Medicine, Bryan, TX, U.S.A.
Clinical science (London, England : 1979)
|July 1, 2024
概括
这项研究表明,AVE0991 (AVE) 治疗通过促进M2巨细胞极化和改善器官功能来降低盐敏感高血压 (SSHTN) 模型中的高血压和炎症.
科学领域:
- 免疫学 免疫学 免疫学
- 心血管科学 心血管科学
- 脏生理学 脏生理学
背景情况:
- 盐敏感高血压 (SSHTN) 与M1巨细胞两极分化和炎症有关,导致器官损伤.
- 目前尚不清楚M2巨分化对抗SSHTN诱导的炎症和器官损伤的潜力.
研究的目的:
- 在SSHTN.的小鼠模型中,研究是否通过AVE0991 (AVE) 促进M2巨分化可以缓解高血压,炎症和末端器官损伤.
- 探索AVE对巨分化,免疫细胞种群和SSHTN器官功能的影响.
主要方法:
- 通过使用-L-氨酸甲基化物 (L-NAME) 诱导小鼠产生盐敏感高血压 (SSHTN),然后进行高盐饮食.
- 在高盐饮食阶段,AVE0991 (AVE) 被内注射.
- 评估了血压,炎症标志物,巨细胞两极分化,免疫细胞透和器官功能 (脏和淋巴细胞).
主要成果:
- 在SSHTN小鼠中,AVE治疗显著降低了血压和炎症.
- 艾维促进了M2巨细胞的两极分化,并减少了亲炎性免疫细胞群.
- 脏和淋巴腺组织功能得到改善,脏和淋巴腺淋巴血管生成减少.
结论:
- AVE0991有效地减轻SSHTN诱导的高血压,炎症和末端器官损伤.
- 促进M2巨细胞两极分化和抑制促炎反应是SSHTN的可行的治疗策略.
- 需要进一步的研究来澄清AVE的机制和SSHTN管理的临床潜力.
更多相关视频
相关概念视频
Hypertension and Regulation of Blood Pressure
2.0K
Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
2.0K
Hormonal Regulation
33.1K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
33.1K
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors
606
Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
606
Responses to Salt Stress
13.1K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
13.1K


