peptidase

简明释义

英[ˈpeptɪdeɪs]美[ˈpeptɪˌdeɪs]

n. [生化] 肽酶

英英释义

单词用法

同义词

反义词

例句

1.Aspartic peptidase made little contribution on the formation of NH3-N and AA-N. degradation of protein into peptides was attributed to aspartic-and cysteine peptidases.

天冬氨酸蛋白酶在氨态氮和游离氨基酸的形成过程中，贡献率最小；在将蛋白水解成肽氮的过程中，天冬氨酸蛋白酶和半胱氨酸蛋白酶起到了主要作用。

2.Tripeptidyl peptidase II is also the largest protein-degrading enzyme, or protease, in eukaryotic cells.

三肽基肽酶ii同时也是真核细胞中最大的蛋白降解酶或者叫蛋白酶。

3.In this review, we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.

本文以海兔等软体动物为素材，综述近年来采用质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能的进展。

4.In this review, we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.

本文以海兔等软体动物为素材，综述近年来采用质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能的进展。

5.Dipeptidyl peptidase-4(DPP-4) is a new target of curing the type 2 diabetes. The potent and selective inhibitors have become one of the foci in developing new anti-diabetes agents.

二肽基肽酶-4（DPP-4）是治疗2型糖尿病的新靶点，强效和选择性DPP-4抑制剂已成为糖尿病治疗新药的开发热点。

6.The signal conduction is closely related to the nerve peptidase that catalyzes the metabolism of peptide.

信号传导与催化多肽的神经多肽酶有着密切的联系。

7.The importance of the three endopeptidases contributing to the formation of AA-N was metallo-, cysteine, and serine peptidase in turn.

金属蛋白酶、半胱氨酸蛋白酶在游离氨基酸的形成过程中起主要作用，丝氨酸蛋白酶次之；

8.Tripeptidyl peptidase II is found in all eukaryotic cells, which are cells that a have membrane-bound nucleus.

三肽基肽酶II存在于所有的有核膜的真核细胞中。

9.In the digestive system, peptidase helps convert dietary proteins into amino acids.

在消化系统中，peptidase帮助将膳食蛋白质转化为氨基酸。

10.The peptidase family includes various types that function in different biological processes.

peptidase家族包括多种类型，在不同的生物过程中发挥作用。

11.Certain diseases can result from deficiencies in specific peptidase enzymes.

某些疾病可能是由于特定peptidase酶的缺乏而导致的。

12.Researchers are studying how peptidase activity affects muscle growth.

研究人员正在研究peptidase活性如何影响肌肉生长。

13.The enzyme peptidase is crucial for breaking down proteins into smaller peptides.

酶peptidase对于将蛋白质分解成更小的肽是至关重要的。

作文

Peptidases are a crucial class of enzymes that play an essential role in various biological processes. These enzymes, also known as proteases or proteinases, are responsible for breaking down proteins into smaller peptides and amino acids. This process is vital for numerous physiological functions, including digestion, cell signaling, and the regulation of metabolic pathways. Understanding the function of peptidase (肽酶) is important for both biochemistry and medicine, as they are involved in many diseases and disorders. The human digestive system relies heavily on peptidase (肽酶) to break down dietary proteins. When we consume protein-rich foods, our body needs to convert these large molecules into smaller, absorbable units. This is where peptidase (肽酶) comes into play. They cleave the peptide bonds between amino acids, resulting in shorter peptide chains and free amino acids that can be easily absorbed by the intestinal lining. Without the action of peptidase (肽酶), our bodies would struggle to utilize the proteins we consume, leading to malnutrition and other health issues.In addition to their role in digestion, peptidases (肽酶) are also involved in cellular processes. For instance, they participate in the activation and deactivation of various proteins through a process known as proteolytic cleavage. This mechanism is vital for regulating enzyme activity, hormone function, and immune responses. For example, certain peptidases (肽酶) are responsible for converting inactive precursors of hormones into their active forms, ensuring that these signaling molecules can exert their effects at the right time and place within the body.Furthermore, peptidases (肽酶) have significant implications in medical research and drug development. Many diseases, including cancer, neurodegenerative disorders, and infections, are associated with abnormal peptidase (肽酶) activity. For instance, some cancer cells produce excess proteases that enable them to invade surrounding tissues and metastasize. By studying the specific peptidases (肽酶) involved in these processes, researchers can develop targeted therapies that inhibit their activity, potentially slowing down disease progression.Moreover, the therapeutic potential of peptidases (肽酶) extends to the development of enzyme replacement therapies. In certain genetic disorders, individuals may lack specific peptidases (肽酶) necessary for metabolizing particular substrates. By administering the missing enzyme, it is possible to alleviate symptoms and improve the quality of life for affected individuals. In conclusion, peptidases (肽酶) are indispensable enzymes that facilitate the breakdown of proteins and peptides, playing a critical role in digestion, cellular regulation, and disease management. As research continues to uncover the complexities of peptidase (肽酶) function, we can anticipate new therapeutic strategies that harness their power for better health outcomes. Understanding the significance of peptidases (肽酶) not only enriches our knowledge of biochemistry but also opens doors to innovative treatments that could transform the landscape of modern medicine.

肽酶是一类关键的酶，在各种生物过程中发挥着重要作用。这些酶，也被称为蛋白酶或蛋白酶酶，负责将蛋白质分解成较小的肽和氨基酸。这一过程对于许多生理功能至关重要，包括消化、细胞信号传导和代谢途径的调节。理解peptidase（肽酶）的功能对生物化学和医学都很重要，因为它们与许多疾病和障碍有关。人类消化系统在很大程度上依赖于peptidase（肽酶）来分解饮食中的蛋白质。当我们摄入富含蛋白质的食物时，我们的身体需要将这些大分子转化为较小的可吸收单位。这就是peptidase（肽酶）发挥作用的地方。它们切割氨基酸之间的肽键，产生较短的肽链和可以被肠道吸收的游离氨基酸。如果没有peptidase（肽酶）的作用，我们的身体将难以利用所摄入的蛋白质，导致营养不良和其他健康问题。除了在消化中的作用外，peptidases（肽酶）还参与细胞过程。例如，它们通过称为蛋白水解切割的过程参与各种蛋白质的激活和失活。这一机制对于调节酶活性、激素功能和免疫反应至关重要。例如，某些peptidases（肽酶）负责将激素的非活跃前体转化为其活跃形式，确保这些信号分子能够在体内的正确时间和地点发挥作用。此外，peptidases（肽酶）在医学研究和药物开发中具有重要意义。许多疾病，包括癌症、神经退行性疾病和感染，都与异常的peptidase（肽酶）活性有关。例如，一些癌细胞产生过量的蛋白酶，使它们能够侵入周围组织并转移。通过研究这些过程中涉及的特定peptidases（肽酶），研究人员可以开发针对性的疗法，以抑制其活性，从而可能减缓疾病进展。此外，peptidases（肽酶）的治疗潜力还延伸到酶替代疗法的开发。在某些遗传疾病中，个体可能缺乏特定的peptidases（肽酶），这些酶对于代谢特定底物是必需的。通过施用缺失的酶，可以减轻症状并改善受影响个体的生活质量。总之，peptidases（肽酶）是不可或缺的酶，促进蛋白质和肽的分解，在消化、细胞调节和疾病管理中发挥着关键作用。随着研究不断揭示peptidase（肽酶）功能的复杂性，我们可以期待新的治疗策略，利用它们的力量来提高健康结果。理解peptidases（肽酶）的重要性不仅丰富了我们对生物化学的知识，还为创新治疗方案开辟了道路，这些方案可能改变现代医学的格局。