enterokinase

简明释义

英[ˌentərəʊˈkaɪneɪz]美[ˌentərəˈkaɪneɪs]

n. [生化] 肠激酶

英英释义

单词用法

同义词

反义词

例句

1.Objective: To clone and express the gene of human enterokinase light chain which would be used in the cleavage and purification of fusion proteins.

研究目的：克隆表达人肠激酶轻链编码基因，以期应用于融合蛋白的切割与纯化。

2.Objective: To clone and express the gene of human enterokinase light chain which would be used in the cleavage and purification of fusion proteins.

研究目的：克隆表达人肠激酶轻链编码基因，以期应用于融合蛋白的切割与纯化。

3.The optional high cell-density fermentation conditions, purification methods and biological activity of the recombinant enterokinase in E.

对重组肠激酶在大肠杆菌中的高密度发酵表达条件、纯化方法及其生物活性测定进行了研究。

4.Enterokinase ACTS on trypsinogen.

肠致活酶作用于蛋白酶原。

5.The enzyme enterokinase plays a crucial role in the activation of digestive enzymes in the small intestine.

酶肠激酶在小肠消化酶的激活中起着至关重要的作用。

6.Without enterokinase, trypsinogen cannot be converted into its active form, trypsin.

没有肠激酶，胰蛋白酶原无法转化为其活性形式胰蛋白酶。

7.Research has shown that enterokinase is essential for protein digestion.

研究表明，肠激酶对蛋白质消化是必不可少的。

8.In patients with pancreatic insufficiency, enterokinase activity may be compromised.

在胰腺功能不全的患者中，肠激酶的活性可能会受到影响。

9.The presence of enterokinase can be measured in laboratory tests to assess digestive function.

可以通过实验室测试测量肠激酶的存在，以评估消化功能。

作文

The human digestive system is a complex and fascinating network that plays a crucial role in our overall health. One of the key components in this intricate process is an enzyme known as enterokinase. This enzyme is primarily found in the small intestine and is essential for the activation of other digestive enzymes, particularly trypsin. Understanding the function of enterokinase is vital for appreciating how our bodies break down food and absorb nutrients. Enterokinase, also referred to as enteropeptidase, is produced by the cells lining the duodenum, which is the first section of the small intestine. When food enters the duodenum from the stomach, it comes into contact with enterokinase, which catalyzes the conversion of trypsinogen, an inactive precursor, into trypsin, an active enzyme that plays a significant role in protein digestion. Without the action of enterokinase, trypsin would remain inactive, leading to impaired digestion and nutrient absorption. The importance of enterokinase extends beyond just activating trypsin. Once trypsin is activated, it can then activate other proteolytic enzymes, creating a cascade effect that enhances protein digestion. This process is crucial because proteins are broken down into smaller peptides and amino acids, which are necessary for various bodily functions, including tissue repair, hormone production, and immune response. Moreover, the activity of enterokinase is tightly regulated within the body. If there is an overproduction of this enzyme, it can lead to excessive activation of trypsin and other enzymes, potentially resulting in digestive disorders or damage to the intestinal lining. Conversely, insufficient levels of enterokinase can result in malabsorption issues, where the body fails to adequately digest and utilize nutrients from food. This delicate balance highlights the importance of enterokinase in maintaining digestive health. In addition to its role in digestion, research has shown that enterokinase may have implications in other areas of health. For instance, studies are exploring its potential involvement in certain diseases, such as pancreatitis and cancer. Understanding how enterokinase functions and its impact on the digestive system could lead to new therapeutic approaches for these conditions. In conclusion, enterokinase is a vital enzyme in the human digestive system, responsible for the activation of trypsin and other digestive enzymes. Its proper functioning is essential for effective protein digestion and nutrient absorption. As we continue to explore the complexities of our digestive system, the significance of enterokinase becomes increasingly clear. By understanding and studying this enzyme, we can gain insights into not only our digestive health but also the broader implications for overall well-being. Therefore, recognizing the role of enterokinase is crucial for anyone interested in nutrition, health, and the science of digestion.

人类的消化系统是一个复杂而迷人的网络，在我们的整体健康中发挥着至关重要的作用。这个复杂过程中的一个关键组成部分是被称为肠激酶的酶。这种酶主要存在于小肠中，对于激活其他消化酶，特别是胰蛋白酶是必不可少的。理解肠激酶的功能对于欣赏我们身体如何分解食物和吸收营养至关重要。 肠激酶，也称为肠肽酶，是由小肠的绒毛细胞产生的。当食物从胃进入十二指肠时，它与肠激酶接触，后者催化将胰蛋白酶原（无活性前体）转化为胰蛋白酶（活性酶），该酶在蛋白质消化中发挥着重要作用。如果没有肠激酶的作用，胰蛋白酶将保持不活跃，从而导致消化和营养吸收受损。 肠激酶的重要性不仅在于激活胰蛋白酶。一旦胰蛋白酶被激活，它可以进一步激活其他蛋白水解酶，形成增强蛋白质消化的级联效应。这个过程至关重要，因为蛋白质被分解成更小的肽和氨基酸，这些都是各种身体功能所必需的，包括组织修复、激素产生和免疫反应。 此外，肠激酶的活性在体内受到严格调控。如果这种酶过度产生，可能导致胰蛋白酶和其他酶的过度激活，从而可能导致消化紊乱或肠道内膜损伤。相反，肠激酶水平不足可能导致营养吸收问题，即身体未能充分消化和利用食物中的营养物质。这种微妙的平衡突显了肠激酶在维持消化健康中的重要性。 除了在消化中的作用，研究表明肠激酶可能在其他健康领域具有影响。例如，研究正在探索其在某些疾病中的潜在作用，如胰腺炎和癌症。理解肠激酶的功能及其对消化系统的影响可能会导致这些疾病的新治疗方法。 总之，肠激酶是人类消化系统中一种重要的酶，负责激活胰蛋白酶和其他消化酶。它的正常功能对有效的蛋白质消化和营养吸收至关重要。随着我们继续探索消化系统的复杂性，肠激酶的重要性变得愈加明确。通过理解和研究这种酶，我们可以获得关于消化健康以及整体健康的更深入见解。因此，认识到肠激酶的作用对于任何对营养、健康和消化科学感兴趣的人来说都是至关重要的。