血小板衍生物在再生美学中的生物学作用
Lorena Cristina Santos1, Giselle Lobo Lana2, Gabriel Silva Santos2
1Biomedical Science, Hospital das Clínicas de Goiás, Goiânia 74605-020, Brazil.
International journal of molecular sciences
|June 19, 2024
概括
血小板衍生生物制品,如富含血小板的血 (PRP) 和富含血小板的纤维素 (PRF),在美容医学中增强组织再生. 它们促进愈合和原蛋白的生产,用于诸如头发修复和痕治疗等应用.
科学领域:
- 皮肤病学 皮肤病学
- 再生医学是一种再生医学.
- 审美医学是一种美学医学.
背景情况:
- 血小板衍生生物制品越来越多地用于皮肤病学和美容手术.
- 诸如富血小板血 (PRP) 和富血小板纤维素 (PRF) 等产品可以从外围血液中利用生长因子.
- 这些生物产品刺激血管生成和组织修复.
研究的目的:
- 审查血小板衍生生物制品在美容医学中的应用和益处.
- 综合目前关于PRP和PRF在皮肤和美容治疗中的使用证据.
- 突出这些产品在组织再生中的作用及其与其他模式的协同效应.
主要方法:
- 对血小板衍生生物制品现有证据的文献综述.
- 对研究的分析,重点是用于头发修复,痕治疗,纹管理和伤口愈合的应用.
- 检查作用机制,包括生长因子的释放和纤维素矩阵的形成.
主要成果:
- PRP和PRF促进纤维素聚合,为生长因子创造了一个支架.
- 这些生物制品促进细胞增殖,分化,迁移和原/弹性素的产生.
- 应用包括头发修复,痕修复,纹治疗和伤口愈合,通常作为其他疗法的辅助.
结论:
- 血小板衍生生物制品由于其再生性质,在美容医学中提供了显著的好处.
- 在各种皮肤学应用中,PRP和PRF是有效的,增强组织修复和再生.
- 它们作为辅助剂与其他美容治疗的使用可以优化结果.
相关概念视频
01:18Structure and Function of Platelets
1.1K
The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
1.1K
01:22Formation of the Platelet Plug
5.8K
The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
5.8K
01:20Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
517
Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
517
01:16Clot Retraction and Fibrinolysis
5.4K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
5.4K
01:05Introduction to Hemostasis
7.2K
Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
7.2K
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
675
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
675