mucin

简明释义

英[ˈmjuːsɪn]美[ˈmjʊsɪn]

n. [生化] 粘蛋白；粘液素

英英释义

单词用法

同义词

反义词

例句

1.The mechanism of TFF is not clear and two hypotheses were proposed which were co working with mucin or receptor.

三叶因子家族多肽的作用机理仍处于猜测阶段，现有与粘蛋白共同作用和与受体作用两种假说。

2.Alcian blue stain showed abundant mucin deposition in collagen bundles of dermis.

阿新蓝染色在真皮胶原纤维束间有大量黏蛋白沉积。

3.PSGL-1 (P-selectin glycoprotein ligand 1) is a mucin expressed on microvilli of almost all types of leukocytes.

选择素糖蛋白配体1）是一种组成性地表达于几乎所有白细胞微绒毛上的黏蛋白。

4.Authors measured serum Ca, p, Mg, K, Na, Cl, nonprotein nitrogen and mucin of 8 serum in urolithiasis sheep and health sheep separately.

作者取患尿石病和健康绵羊血清各8份，分别测定其钙、磷、镁、钾、钠、氯、非蛋白氮和粘蛋白等成分。

5.Please note that degenerated mesothelial cells can have cytoplasmic Spaces, mimicking mucin vacuoles in adenocarcinoma.

要注意变性的间皮细胞可以有胞浆内空泡，类似腺癌中的粘蛋白空泡。

6.Objective To investigate the effects of mechanical stretching on the expression of mucin(MUC)5AC in airway epithelial cells, and explore its mechanism of signaling pathway.

目的观察机械牵张对人气道黏膜上皮细胞黏蛋白（MUC）表达的影响，并对其信号转导机制进行初步探讨。

7.Significant decrease in the number of tracheal epithelia goblet cells, secretion of mucin were observed in ipratropium bromide and atropine treated rats.

溴化异丙托品和阿托品都显著减少气管上皮杯状细胞数目及粘蛋白的分泌。

8.The primary component of mucus is mucin, which helps to trap pathogens and debris.

粘液的主要成分是粘蛋白，它有助于捕获病原体和杂质。

9.In the digestive system, mucin plays a crucial role in protecting the stomach lining from acid.

在消化系统中，粘蛋白在保护胃壁免受酸侵蚀方面发挥着至关重要的作用。

10.Research shows that mucin can influence the absorption of nutrients in the intestines.

研究表明，粘蛋白可以影响肠道内营养物质的吸收。

11.During a cold, the body produces excess mucin to help eliminate pathogens.

在感冒期间，身体产生过量的粘蛋白以帮助清除病原体。

12.Certain diseases can lead to abnormal production of mucin, causing respiratory issues.

某些疾病可能导致粘蛋白的异常生成，从而造成呼吸问题。

作文

Mucin is a fascinating and essential glycoprotein that plays a critical role in various biological processes within the human body. This complex molecule is primarily found in mucus, which is secreted by epithelial tissues lining various organs, including the respiratory, gastrointestinal, and reproductive systems. The primary function of mucin (粘蛋白) is to provide lubrication and protection to these surfaces, which is vital for maintaining overall health and preventing infections. One of the most notable characteristics of mucin (粘蛋白) is its ability to form gels. When mucins are secreted, they can absorb water and swell, creating a viscous gel-like substance. This property is particularly important in the respiratory system, where mucin (粘蛋白) traps dust, pathogens, and other particles, preventing them from entering the lungs. Additionally, the gel-like consistency of mucus helps to keep the airways moist, which is crucial for proper respiratory function. In the gastrointestinal tract, mucin (粘蛋白) serves a similar protective role. It forms a barrier that lines the stomach and intestines, safeguarding these organs from the harsh effects of digestive acids and enzymes. Moreover, this barrier is essential for maintaining the integrity of the gut lining, which is vital for nutrient absorption and overall digestive health. The importance of mucin (粘蛋白) extends beyond simple lubrication and protection. Recent studies have shown that mucins also play a role in cell signaling and immune responses. They can interact with various receptors on the surface of cells, influencing processes such as inflammation and tissue repair. This indicates that mucin (粘蛋白) is not merely a passive component but actively participates in maintaining homeostasis within the body. Interestingly, the composition of mucin (粘蛋白) can vary significantly between different tissues and individuals. This variability can be influenced by factors such as diet, environmental conditions, and genetic predispositions. For instance, certain diseases, such as cystic fibrosis, can lead to abnormal production of mucin (粘蛋白), resulting in thick, sticky mucus that obstructs airways and leads to severe respiratory complications. Furthermore, research has revealed that changes in mucin (粘蛋白) expression may be linked to various diseases, including cancer. In some types of tumors, altered mucin production can contribute to tumor progression and metastasis. Understanding the role of mucin (粘蛋白) in these contexts could pave the way for new therapeutic strategies that target mucin-related pathways. In conclusion, mucin (粘蛋白) is an indispensable component of our biological systems, contributing to lubrication, protection, and cellular communication. Its diverse roles highlight the complexity of bodily functions and the intricate balance required for maintaining health. As research continues to unveil the multifaceted nature of mucin (粘蛋白), we gain deeper insights into how this remarkable glycoprotein influences our well-being and opens up potential avenues for medical advancements.

粘蛋白是一种迷人且必不可少的糖蛋白，在人体内的各种生物过程中发挥着关键作用。这种复杂的分子主要存在于粘液中，粘液由衬里各种器官的上皮组织分泌，包括呼吸道、消化道和生殖系统。mucin（粘蛋白）的主要功能是为这些表面提供润滑和保护，这对维持整体健康和防止感染至关重要。 mucin（粘蛋白）最显著的特征之一是其形成凝胶的能力。当粘蛋白被分泌时，它们可以吸收水分并膨胀，形成一种粘稠的胶状物质。这一特性在呼吸系统中尤为重要，其中mucin（粘蛋白）捕获灰尘、病原体和其他颗粒，防止它们进入肺部。此外，粘液的胶状一致性有助于保持气道湿润，这对正常的呼吸功能至关重要。 在胃肠道中，mucin（粘蛋白）也起到类似的保护作用。它形成一层屏障，衬里胃和肠道，保护这些器官免受消化酸和酶的侵害。此外，这层屏障对于维持肠道内膜的完整性至关重要，这对于营养吸收和整体消化健康是必不可少的。 mucin（粘蛋白）的重要性不仅限于简单的润滑和保护。最近的研究表明，粘蛋白还在细胞信号传导和免疫反应中发挥作用。它们可以与细胞表面的各种受体相互作用，影响炎症和组织修复等过程。这表明mucin（粘蛋白）不仅仅是一个被动成分，而是积极参与维持身体内稳态。 有趣的是，mucin（粘蛋白）的组成在不同组织和个体之间可能有显著差异。这种变异可能受到饮食、环境条件和遗传倾向等因素的影响。例如，某些疾病，如囊性纤维化，可能导致异常的mucin（粘蛋白）产生，导致厚重、粘稠的粘液阻塞气道，从而导致严重的呼吸并发症。 此外，研究显示，mucin（粘蛋白）表达的变化可能与多种疾病相关，包括癌症。在某些类型的肿瘤中，粘蛋白的改变产生可能促成肿瘤进展和转移。理解mucin（粘蛋白）在这些背景下的作用可能为针对粘蛋白相关通路的新治疗策略铺平道路。 总之，mucin（粘蛋白）是我们生物系统中不可或缺的组成部分，促进润滑、保护和细胞沟通。它的多样化角色突显了身体功能的复杂性和维持健康所需的精细平衡。随着研究不断揭示mucin（粘蛋白）的多面性，我们对这种非凡糖蛋白如何影响我们的健康有了更深入的了解，并为医学进步开辟了潜在途径。