dipeptidase

简明释义

英[daɪˈpeptɪdeɪs]美[daɪˈpeptɪˌdeɪs]

n. [生化] 二肽酶

英英释义

单词用法

同义词

反义词

例句

1.Proteins in food are broken down into smaller peptide chains by digestive enzymes such as pepsin and dipeptidase.

食物中的蛋白质被消化酶分解成小肽链，如胃蛋白酶和二肽酶。

2.Proteins in food are broken down into smaller peptide chains by digestive enzymes such as pepsin and dipeptidase.

食物中的蛋白质被消化酶分解成小肽链，如胃蛋白酶和二肽酶。

3.The enzyme dipeptidase plays a crucial role in protein digestion.

酶二肽酶在蛋白质消化中起着至关重要的作用。

4.Researchers are studying the activity of dipeptidase to understand its impact on nutrient absorption.

研究人员正在研究二肽酶的活性，以了解其对营养吸收的影响。

5.A deficiency in dipeptidase can lead to malabsorption of proteins.

缺乏二肽酶可能导致蛋白质的吸收不良。

6.Inhibiting dipeptidase could be a potential strategy for treating certain metabolic disorders.

抑制二肽酶可能是治疗某些代谢疾病的一种潜在策略。

7.The presence of dipeptidase in the intestines is essential for breaking down dipeptides into amino acids.

肠道中存在的二肽酶对将二肽分解为氨基酸至关重要。

作文

Dipeptidases are enzymes that play a crucial role in the digestion of proteins. They are responsible for breaking down dipeptides, which are compounds formed by two amino acids linked together by a peptide bond. The action of these enzymes is vital because proteins, which are made up of long chains of amino acids, need to be broken down into smaller units to be absorbed by the body. Without the function of dipeptidase (二肽酶), our bodies would struggle to utilize the proteins we consume from food sources such as meat, dairy, and legumes. The digestive process begins in the stomach, where proteins are denatured by stomach acid and partially digested by pepsin, an enzyme that breaks down protein into smaller polypeptides. Once these polypeptides enter the small intestine, they encounter various enzymes, including dipeptidase (二肽酶), which further break them down into individual amino acids or dipeptides. This step is essential because only free amino acids and some dipeptides can be absorbed through the intestinal wall into the bloodstream. There are several types of dipeptidase (二肽酶), each with specific functions and substrate preferences. For instance, some dipeptidases (二肽酶) specifically target certain dipeptides, while others may have broader activity. The regulation of these enzymes is also important; factors such as diet, health status, and age can influence their levels and activity in the body. A deficiency in dipeptidase (二肽酶) activity could lead to malabsorption issues, resulting in nutritional deficiencies and gastrointestinal discomfort. Moreover, research has shown that dipeptidases (二肽酶) may have implications beyond digestion. Some studies suggest that these enzymes could play a role in immune function and inflammation. For example, certain dipeptides produced during protein digestion may have bioactive properties that influence immune responses. Understanding the full range of functions of dipeptidase (二肽酶) is an area of ongoing research, as scientists explore how these enzymes contribute to overall health and disease prevention. In conclusion, dipeptidase (二肽酶) is a vital enzyme in the digestive system, facilitating the breakdown of dipeptides into absorbable forms. Its importance cannot be overstated, as it aids in protein digestion and absorption, impacting nutrition and health. As we continue to learn more about the roles of various enzymes in our bodies, the study of dipeptidase (二肽酶) will undoubtedly provide valuable insights into improving human health and understanding metabolic processes.

二肽酶是消化蛋白质过程中发挥重要作用的酶。它们负责分解二肽，二肽是由两个氨基酸通过肽键连接而成的化合物。这些酶的作用至关重要，因为构成蛋白质的氨基酸链需要被分解成更小的单位，以便被身体吸收。如果没有二肽酶的功能，我们的身体将难以利用从肉类、乳制品和豆类等食物来源摄入的蛋白质。 消化过程始于胃，在这里，蛋白质被胃酸变性，并被一种名为胃蛋白酶的酶部分消化，胃蛋白酶将蛋白质分解成较小的多肽。当这些多肽进入小肠时，它们会遇到各种酶，包括二肽酶，这进一步将它们分解为单个氨基酸或二肽。这一步骤至关重要，因为只有游离氨基酸和一些二肽才能通过肠壁被吸收到血液中。 有几种类型的二肽酶，每种具有特定的功能和底物偏好。例如，一些二肽酶专门针对某些二肽，而其他可能具有更广泛的活性。这些酶的调节也很重要；饮食、健康状况和年龄等因素都可以影响它们在体内的水平和活性。二肽酶活性的缺乏可能导致吸收不良，导致营养不足和胃肠不适。 此外，研究表明，二肽酶可能在消化之外还有其他影响。一些研究表明，这些酶可能在免疫功能和炎症中发挥作用。例如，在蛋白质消化过程中产生的某些二肽可能具有影响免疫反应的生物活性特性。了解二肽酶的全部功能范围是一个正在进行的研究领域，科学家们正在探索这些酶如何有助于整体健康和疾病预防。 总之，二肽酶是消化系统中的一种重要酶，促进二肽分解为可吸收形式。它的重要性不容小觑，因为它有助于蛋白质的消化和吸收，影响营养和健康。随着我们继续了解各种酶在体内的作用，对二肽酶的研究无疑将为改善人类健康和理解代谢过程提供宝贵的见解。