thymidine

简明释义

英['θaɪmədɪn]美[θaɪmədɪn]

n. 胸苷

英英释义

单词用法

同义词

反义词

例句

1.Thymidine kinase gene is found in herpes simplex virus.

胸苷激酶基因被发现在单纯疱疹病毒。

2.When cells are cultured with labeling medium that contains BrdU, this pyrimidine analog is incorporated in place of thymidine into the newly synthesized DNA of proliferating cells.

使用含有BrdU的培养基培养细胞，这种嘧啶类似物能够在新dna和成时取代胸腺嘧啶。

3.Objective: To study the efficacy of combined capecitabine with thalidomide in treatment of advanced colorectal cancer and expression of thymidine phosphorylase in colorectal cancer tissue.

目的：探讨卡培他滨联合沙利度胺治疗晚期结直肠癌的近期疗效及癌组织胸苷磷酸化酶的表达。

4.Thymidine Phosphorylase (TP) is a kind of peptide growth factor which has a close relation with tumor angiogenesis.

胸苷磷酸化酶是一种血管生长因子，与肿瘤血管生长密切相关。

5.The reaction mechanism of enzymatic synthesis of thymidine was reviewed, and 6 examples of application were given.

综述了酶法合成胸苷的反应机理，并列举了6个应用实例。

6.Objective To study the expression of thymidine kinase (TK) and proliferating cell nuclear antigen (PCNA) in hydatidiform mole and assess their prognostic value.

目的探讨葡萄胎中胸腺嘧啶核苷激酶(TK)和增殖细胞核抗原(pcna)的表达水平及其对葡萄胎预后的影响。

7.During the S phase of the cell cycle, cells require a sufficient amount of thymidine.

在细胞周期的S期，细胞需要足够的胸苷。

8.In molecular biology, researchers often use thymidine to study DNA synthesis.

在分子生物学中，研究人员常常使用胸苷来研究DNA合成。

9.Scientists can label thymidine with radioactive isotopes for tracking purposes.

科学家可以用放射性同位素标记胸苷以便追踪。

10.The enzyme thymidine kinase phosphorylates thymidine to activate it for DNA synthesis.

酶胸苷激酶磷酸化胸苷以激活其用于DNA合成。

11.The incorporation of thymidine into the DNA strand is crucial for cell replication.

将胸苷纳入DNA链对于细胞复制至关重要。

作文

Thymidine is a nucleoside that plays a crucial role in the synthesis of DNA. It is composed of a thymine base attached to a deoxyribose sugar molecule. In the realm of molecular biology, understanding the function and significance of thymidine (胸苷) is essential for comprehending how genetic information is stored and transmitted in living organisms. Thymidine (胸苷) is one of the four nucleosides that form the building blocks of DNA, alongside adenine, cytosine, and guanine. Each of these nucleosides pairs with its complementary base, allowing for the double-helix structure of DNA to maintain its stability and integrity.The importance of thymidine (胸苷) extends beyond its structural role. In cellular processes, it is involved in DNA replication and repair. During the S phase of the cell cycle, thymidine (胸苷) is incorporated into newly synthesized DNA strands, ensuring that genetic information is accurately copied and passed on to daughter cells. This process is critical for growth, development, and tissue repair in multicellular organisms.Moreover, thymidine (胸苷) has been studied extensively in the context of cancer research. Since cancer cells often exhibit rapid proliferation, they require an increased supply of nucleotides, including thymidine (胸苷). Researchers have explored the potential of targeting thymidine (胸苷) metabolism as a therapeutic strategy. For instance, certain chemotherapeutic agents aim to inhibit enzymes involved in thymidine (胸苷) synthesis, thereby limiting the availability of this vital nucleoside to cancer cells and slowing their growth.In addition to its biological functions, thymidine (胸苷) is also significant in laboratory settings. It is often used in various assays and experiments, particularly those related to DNA synthesis and cellular proliferation. For example, researchers may use labeled forms of thymidine (胸苷) to trace DNA replication in living cells, providing insights into the dynamics of cell division and the effects of different treatments on cellular behavior.The study of thymidine (胸苷) also intersects with the field of genetics. Mutations or alterations in thymidine (胸苷) metabolism can lead to genetic disorders or contribute to the development of diseases. Understanding these pathways can help scientists develop better diagnostic tools and treatments for various conditions.In conclusion, thymidine (胸苷) is a fundamental component of DNA that is crucial for genetic stability, cellular proliferation, and overall organismal health. Its roles in DNA synthesis, cancer research, and laboratory applications highlight its significance in both basic and applied sciences. As we continue to explore the complexities of molecular biology, the understanding of thymidine (胸苷) will undoubtedly remain a key area of interest for researchers and healthcare professionals alike.