opsonin

简明释义

英[ˈɒpsənɪn]美[ˈɑːpsənɪn]

n. （细胞）[免疫] 调理素，噬菌素

英英释义

单词用法

同义词

反义词

例句

1.The experimental results suggested that CL depends on the concentration of luminol, the dilution of serum opsonin, the number of neutrophils and the environmental temperature.

实验结果证实：CL反应取决于所用鲁米诺溶液的浓度、调理血清的种类、中性白细胞的数量及反应温度等。

2.The experimental results suggested that CL depends on the concentration of luminol, the dilution of serum opsonin, the number of neutrophils and the environmental temperature.

实验结果证实：CL反应取决于所用鲁米诺溶液的浓度、调理血清的种类、中性白细胞的数量及反应温度等。

3.The Study of Producing and Basic Application of Biological Degradated Mud Opsonin;

本文对联合调理技术在生化污泥调理中的应用进行了综述。

4.The presence of opsonin enhances the ability of phagocytes to engulf pathogens.

存在opsonin可以增强吞噬细胞吞噬病原体的能力。

5.In immunology, opsonin plays a crucial role in marking foreign particles for destruction.

在免疫学中，opsonin在标记外来颗粒以便于销毁方面发挥着至关重要的作用。

6.Certain antibodies act as opsonins by coating bacteria and making them more recognizable to immune cells.

某些抗体通过包裹细菌并使其更易被免疫细胞识别，作为opsonin起作用。

7.The study showed that the concentration of opsonins in the bloodstream can affect infection outcomes.

研究表明，血液中opsonin的浓度可以影响感染的结果。

8.Therapeutic strategies often aim to increase opsonin levels to boost immune response.

治疗策略通常旨在提高opsonin水平以增强免疫反应。

作文

The immune system is a complex network that protects our body from harmful pathogens. One of the key components of this system is the role of antibodies, which can enhance the ability of phagocytes to clear pathogens through a process known as opsonization. Opsonization involves the coating of pathogens with molecules that promote their recognition and ingestion by immune cells. Among these molecules, a specific type called opsonin plays a crucial role. The term opsonin refers to any substance that binds to the surface of an antigen and enhances its uptake and destruction by phagocytic cells. This process is vital for the efficient elimination of bacteria and other foreign invaders in the body. When a pathogen enters the body, it often has structures on its surface that are not recognized by the immune system. This lack of recognition can allow the pathogen to evade detection and continue to proliferate. However, when opsonins bind to these pathogens, they effectively label them for destruction. There are several types of opsonins, including antibodies and complement proteins. Antibodies, produced by B cells, specifically target antigens on pathogens, while complement proteins are part of the innate immune response that can also mark pathogens for phagocytosis. The interaction between opsonins and phagocytes is a fascinating aspect of immunology. Phagocytes, such as macrophages and neutrophils, have receptors on their surfaces that recognize opsonins. When a phagocyte encounters a pathogen coated with opsonins, it can bind to these markers and initiate the process of engulfing the pathogen. This process not only leads to the destruction of the pathogen but also helps to activate the adaptive immune response, creating a more robust defense against future infections. In clinical settings, understanding the function of opsonins has significant implications. For instance, patients with compromised immune systems may struggle with infections due to a lack of effective opsonins. Therapies that enhance the opsonization of pathogens could be beneficial for these individuals. Additionally, vaccines can work by promoting the production of specific antibodies that serve as opsonins, thereby improving the body’s ability to fight off infections. Moreover, the study of opsonins extends beyond basic immunology into areas such as cancer therapy. Some researchers are exploring ways to use opsonins to help the immune system recognize and attack cancer cells. By coating tumor cells with specific opsonins, it may be possible to enhance their visibility to phagocytes, leading to improved clearance of malignant cells. In conclusion, opsonins are essential players in the immune system, facilitating the recognition and elimination of pathogens. Their role in enhancing phagocytosis underscores the intricate interplay between different components of the immune response. As we continue to unravel the complexities of the immune system, the significance of opsonins in both health and disease will undoubtedly remain a focal point of research. Understanding how to manipulate opsonins could lead to novel therapeutic strategies that harness the power of the immune system to combat infections and diseases like cancer.

免疫系统是一个复杂的网络，保护我们的身体免受有害病原体的侵害。这个系统的一个关键组成部分是抗体的作用，它们可以通过一种称为吞噬作用的过程增强吞噬细胞清除病原体的能力。吞噬作用涉及用分子覆盖病原体，这些分子促进其被免疫细胞识别和摄取。在这些分子中，一种特定类型称为opsonin，在其中扮演着至关重要的角色。术语opsonin指的是任何与抗原表面结合并增强其被吞噬细胞摄取和破坏的物质。这个过程对于有效消灭体内细菌和其他外来入侵者至关重要。 当病原体进入体内时，通常会在其表面具有免疫系统无法识别的结构。这种缺乏识别可能使病原体逃避检测，并继续繁殖。然而，当opsonins与这些病原体结合时，它们有效地标记了它们以便于破坏。有几种类型的opsonins，包括抗体和补体蛋白。抗体由B细胞产生，专门针对病原体的抗原，而补体蛋白则是先天免疫反应的一部分，也可以标记病原体以供吞噬。 opsonins与吞噬细胞之间的相互作用是免疫学的一个迷人方面。吞噬细胞，例如巨噬细胞和中性粒细胞，在其表面上具有识别opsonins的受体。当吞噬细胞遇到涂有opsonins的病原体时，它可以与这些标记结合，并启动吞噬病原体的过程。这个过程不仅导致病原体的破坏，还帮助激活适应性免疫反应，从而为未来的感染建立更强大的防御。 在临床环境中，理解opsonins的功能具有重要意义。例如，免疫系统受损的患者可能由于缺乏有效的opsonins而难以抵抗感染。增强病原体的吞噬作用的疗法可能对这些个体有益。此外，疫苗可以通过促进特定抗体的产生来发挥作用，这些抗体作为opsonins，从而改善身体抵抗感染的能力。 此外，opsonins的研究超越了基础免疫学，扩展到癌症治疗等领域。一些研究人员正在探索使用opsonins来帮助免疫系统识别和攻击癌细胞的方法。通过用特定的opsonins覆盖肿瘤细胞，可能能够增强它们对吞噬细胞的可见性，从而改善恶性细胞的清除。 总之，opsonins是免疫系统中的重要参与者，促进病原体的识别和消除。它们在增强吞噬作用中的作用突显了免疫反应不同组成部分之间的复杂相互作用。随着我们继续揭示免疫系统的复杂性，opsonins在健康和疾病中的重要性无疑将继续成为研究的重点。理解如何操纵opsonins可能会导致新颖的治疗策略，这些策略利用免疫系统的力量来对抗感染和癌症等疾病。