prostacyclin

简明释义

英[ˌprɒstəˈsaɪklɪn]美[ˌprɑːstəˈsaɪklɪn]

n. 环前列腺素

英英释义

单词用法

同义词

反义词

例句

1.Aims: to evaluate the role of increased portal pressure and portosystemic shunting in elevated level of prostacyclin (PGI2) in portal hypertension.

探讨门脉压力升高和门体分流在前列环素(PGI_2)升高中的作用。

2.Aims: to evaluate the role of increased portal pressure and portosystemic shunting in elevated level of prostacyclin (PGI2) in portal hypertension.

探讨门脉压力升高和门体分流在前列环素(PGI_2)升高中的作用。

3.This invention relates to novel prostacyclin derivatives, their acceptable acid addition salts, solvates, hydrates and polymorphs thereof.

本发明涉及新型的前列环素衍生物及其可接受的酸加成盐、溶剂化 物、水合物及多晶型物。

4.There are very little data on the use of prostacyclin and prostacyclin analogs in ES.

关于前列环素和前列环素类似物在ES中应用的资料尚很欠缺。

5.The role of prostacyclin in preventing blood clot formation is crucial for patients with cardiovascular diseases.

在预防血栓形成方面，前列腺素I2的作用对心血管疾病患者至关重要。

6.Researchers are studying the effects of prostacyclin on pulmonary hypertension.

研究人员正在研究前列腺素I2对肺动脉高压的影响。

7.Administration of prostacyclin can improve exercise capacity in patients with severe pulmonary arterial hypertension.

给药前列腺素I2可以改善重度肺动脉高压患者的运动能力。

8.In clinical trials, prostacyclin showed significant benefits in reducing symptoms of Raynaud's phenomenon.

在临床试验中，前列腺素I2显示出显著减轻雷诺现象症状的好处。

9.The synthetic form of prostacyclin is often used in the treatment of critical limb ischemia.

合成形式的前列腺素I2常用于治疗肢体缺血危象。

作文

In the realm of cardiovascular health, the role of various substances in our body cannot be underestimated. One such substance is prostacyclin, which plays a crucial role in maintaining vascular homeostasis. Prostacyclin is a type of prostaglandin, a group of lipids that are derived from fatty acids and have diverse hormone-like effects in animals. Specifically, prostacyclin is synthesized in the endothelial cells lining our blood vessels and serves multiple functions that are vital for our health. One of the primary roles of prostacyclin is its ability to act as a vasodilator. This means that it helps to widen blood vessels, allowing for increased blood flow. When blood vessels are dilated, the pressure within them decreases, which can be beneficial in preventing conditions such as hypertension. Moreover, by promoting blood flow, prostacyclin ensures that tissues receive adequate oxygen and nutrients, which is essential for their proper functioning. In addition to its vasodilatory effects, prostacyclin also plays a significant role in inhibiting platelet aggregation. Platelets are small cell fragments in our blood that are essential for clotting; however, excessive platelet aggregation can lead to thrombosis, a condition where blood clots form inappropriately and can obstruct blood flow. By inhibiting this aggregation, prostacyclin helps to maintain a balance in the blood coagulation process, reducing the risk of heart attacks and strokes. The importance of prostacyclin extends beyond these two functions. It also has anti-inflammatory properties, which contribute to cardiovascular health. Inflammation is a natural response of the body to injury or infection, but chronic inflammation can lead to various diseases, including cardiovascular diseases. By exerting its anti-inflammatory effects, prostacyclin may help to mitigate the risk of developing such conditions. Research has shown that levels of prostacyclin can be affected by various factors, including diet, exercise, and certain medical conditions. For instance, a diet rich in omega-3 fatty acids has been associated with increased production of prostacyclin, while smoking and obesity can lead to decreased levels. This highlights the importance of lifestyle choices in regulating the production of this vital substance. In clinical settings, synthetic analogs of prostacyclin are sometimes used to treat specific conditions, such as pulmonary arterial hypertension. These medications mimic the effects of natural prostacyclin, helping to improve blood flow and reduce the workload on the heart. The development of such treatments underscores the therapeutic potential of understanding and harnessing the benefits of prostacyclin. In conclusion, prostacyclin is an essential molecule that contributes significantly to cardiovascular health through its vasodilatory, anti-platelet, and anti-inflammatory effects. Understanding its functions and the factors that influence its levels can empower individuals to make informed lifestyle choices that promote better heart health. As research continues to explore the complexities of prostacyclin, it is clear that this substance is not just a biochemical curiosity but a vital component of our overall health and well-being.

前列腺素I2在心血管健康领域中，身体内各种物质的作用不可小觑。其中一种物质是前列腺素I2，它在维持血管稳态方面发挥着重要作用。前列腺素I2是一种前列腺素，这是一类源自脂肪酸的脂质，具有多种类似激素的作用。具体而言，前列腺素I2在我们血管内衬的内皮细胞中合成，承担着多种对健康至关重要的功能。 前列腺素I2的主要作用之一是作为血管扩张剂。这意味着它有助于扩张血管，从而增加血流量。当血管扩张时，血管内的压力降低，这有助于预防高血压等疾病。此外，通过促进血流，前列腺素I2确保组织获得足够的氧气和营养，这对其正常功能至关重要。 除了扩张血管的作用外，前列腺素I2还在抑制血小板聚集方面发挥着重要作用。血小板是我们血液中的小细胞碎片，对凝血至关重要；然而，过度的血小板聚集可能导致血栓形成，即不适当地形成血块并阻碍血流。通过抑制这种聚集，前列腺素I2帮助维持血液凝固过程中的平衡，降低心脏病发作和中风的风险。 前列腺素I2的重要性不仅限于这两种功能。它还具有抗炎特性，这有助于促进心血管健康。炎症是身体对伤害或感染的自然反应，但慢性炎症可能导致各种疾病，包括心血管疾病。通过发挥抗炎作用，前列腺素I2可能有助于降低发生这些疾病的风险。 研究表明，前列腺素I2的水平可以受到多种因素的影响，包括饮食、运动和某些医学条件。例如，富含Omega-3脂肪酸的饮食与前列腺素I2的产生增加相关，而吸烟和肥胖则可能导致其水平降低。这突显了生活方式选择在调节这种重要物质的生产中的重要性。 在临床环境中，合成的前列腺素I2类似物有时用于治疗特定疾病，例如肺动脉高压。这些药物模拟天然前列腺素I2的作用，有助于改善血流并减轻心脏的负担。这些治疗方法的发展强调了理解和利用前列腺素I2益处的治疗潜力。 总之，前列腺素I2是一种重要的分子，通过其扩张血管、抑制血小板和抗炎作用，对心血管健康产生显著影响。了解其功能及影响其水平的因素，可以使个人做出明智的生活方式选择，以促进更好的心脏健康。随着研究继续探索前列腺素I2的复杂性，显然这种物质不仅仅是生化好奇心，而是我们整体健康和福祉的关键组成部分。