chemoattractant

简明释义

英[ˌkiːmoʊəˈtræktənt]美[ˌkiːmoʊəˈtræktənt]

n. [细胞] 化学引诱物

英英释义

单词用法

同义词

反义词

例句

1.Geranylgeranyl pyrophosphate is utilised as a chemoattractant for migrating germ cells which have traversed the midgut epithelia.

香叶基香叶基焦磷酸作为生殖细胞已走过的肠上皮细胞迁移的趋化利用。

2.Objective To investigate the expression of monocyte chemoattractant protein 1 (MCP-1) and RANTES and their significance in the pathogenesis of chronic allograft nephropathy.

目的探讨慢性移植肾肾病大鼠模型肾组织中单核细胞趋化因子1（MCP 1）和RANTES的表达及意义。

3.Objective to observe the preventing function of recombinant human MCP-1 (Monocyte Chemoattractant Protein-1) on the plantation of human osteosarcoma cells and to study the dose.

目的观察重组人单核细胞趋化因子- 1 (MCP- 1)对骨肉瘤细胞种植的预防作用，并探索其作用剂量。

4.Objective To investigate the role of monocyte chemoattractant protein 1(MCP 1) in viral myocarditis (VMC) induced by coxsackievirus Group B Type 3 (CVB3).

目的研究单核细胞趋化蛋白-1（MCP- 1）在B3型柯萨奇病毒（CVB3）诱导病毒性心肌炎（VMC）发病中的作用。

5.Objectives To investigate the clinical value of monocyte chemoattractant protein-4(MCP-4), macro-phage-derived chemokine(MDC)and interleukin-4(IL-4)in serum of infants with acute bronchiolitis.

目的研究毛细支气管炎患儿外周血中单核细胞趋化蛋白4（MCP-4）、巨噬细胞衍生趋化因子（MDC）和白介素4（IL-4）水平的变化，探讨其临床意义。

6.Objective To investigate the relationship between insulin resistance and monocyte chemoattractant protein-1 (MCP-1) in patients with coronary heart disease and metabolic syndrome (MS).

目的研究冠心病合并代谢综合征患者胰岛素抵抗与单核细胞趋化蛋白- 1 (MCP - 1)表达的关系。

7.Objective To investigate the expression of osteopontin (OPN) and monocyte chemoattractant protein 1(MCP-1)and the effect of simvastatin on them in diet-hypercholesterolemia rats.

目的观察高脂血症肾损害大鼠肾组织中骨调素（OPN）和单核细胞趋化蛋白1 （MCP-1）表达变化及辛伐他汀对其表达的影响。

8.In wound healing, various chemoattractants are released to recruit necessary cells to the damaged area.

在伤口愈合过程中，会释放多种趋化因子以招募必要的细胞到受损区域。

9.The immune cells migrate towards the site of infection due to the presence of a specific chemoattractant.

免疫细胞因特定的趋化因子而向感染部位迁移。

10.Researchers discovered that the bacteria release a chemoattractant to attract more cells for colonization.

研究人员发现细菌释放一种趋化因子以吸引更多细胞进行定殖。

11.Certain hormones act as chemoattractants in the reproductive system, guiding sperm to the egg.

某些激素在生殖系统中充当趋化因子，引导精子到达卵子。

12.The study focused on how chemoattractants influence the behavior of stem cells.

该研究集中于趋化因子如何影响干细胞的行为。

作文

In the complex world of cellular communication, one term stands out as a crucial player in guiding cells toward their targets: chemoattractant. A chemoattractant is a chemical substance that attracts cells, particularly immune cells, to a specific location in the body. This process is vital for various physiological functions, including immune response, tissue repair, and development. Understanding how chemoattractants work can provide insights into many biological processes and potential therapeutic applications.The role of chemoattractants is particularly evident during an immune response. When tissues are damaged or infected, they release signaling molecules that act as chemoattractants. These molecules signal immune cells, such as neutrophils and macrophages, to migrate to the site of injury or infection. This migration is essential for the body to effectively combat pathogens and initiate healing processes. For instance, during a bacterial infection, bacteria can release specific chemoattractants that draw immune cells to the infection site, ensuring a swift and effective immune response.Moreover, chemoattractants play a significant role in wound healing. When skin is injured, various cells, including platelets and inflammatory cells, release chemoattractants to recruit additional immune cells and promote tissue regeneration. This orchestrated movement of cells is crucial for repairing damaged tissues and restoring normal function. Without adequate chemoattractant signaling, the healing process can be delayed, leading to chronic wounds or infections.Interestingly, chemoattractants are not limited to immune responses. They also play a role in developmental processes. For example, during embryogenesis, cells use chemoattractants to guide their migration to specific locations, ensuring proper formation of organs and tissues. This is particularly important in the development of the nervous system, where neurons must navigate through complex environments to establish connections with their target cells.In addition to their natural roles, chemoattractants have garnered attention in the field of cancer research. Tumors can exploit chemoattractants to attract blood vessels, a process known as angiogenesis. By releasing specific chemoattractants, tumors can stimulate the growth of new blood vessels, providing them with the necessary nutrients and oxygen to grow and spread. Understanding this mechanism has led to the development of targeted therapies aimed at inhibiting chemoattractant signaling pathways, potentially slowing down tumor growth and metastasis.In conclusion, the concept of chemoattractant is fundamental to our understanding of various biological processes. From guiding immune cells to sites of infection to playing crucial roles in development and cancer progression, chemoattractants are key players in the intricate dance of cellular communication. As research continues to unveil the complexities of chemoattractant signaling, it opens up new avenues for therapeutic interventions in a range of diseases, highlighting the importance of this fascinating area of study.

在细胞通信的复杂世界中，有一个术语作为引导细胞朝向目标的重要角色而脱颖而出：趋化因子。趋化因子是一种化学物质，能吸引细胞，特别是免疫细胞，向身体特定位置移动。这一过程对各种生理功能至关重要，包括免疫反应、组织修复和发育。理解趋化因子的工作原理可以为许多生物过程和潜在的治疗应用提供见解。趋化因子的作用在免疫反应期间尤为明显。当组织受损或感染时，它们会释放信号分子，这些分子作为趋化因子。这些分子会信号免疫细胞，如中性粒细胞和巨噬细胞，向伤害或感染的部位迁移。这种迁移对身体有效对抗病原体和启动愈合过程至关重要。例如，在细菌感染期间，细菌可以释放特定的趋化因子，将免疫细胞吸引到感染部位，从而确保迅速而有效的免疫反应。此外，趋化因子在伤口愈合中也发挥着重要作用。当皮肤受伤时，各种细胞，包括血小板和炎症细胞，会释放趋化因子以招募额外的免疫细胞并促进组织再生。这种细胞的协调移动对于修复受损组织和恢复正常功能至关重要。如果没有足够的趋化因子信号，愈合过程可能会延迟，导致慢性伤口或感染。有趣的是，趋化因子并不仅限于免疫反应。它们在发育过程中也发挥作用。例如，在胚胎发育过程中，细胞利用趋化因子引导其迁移到特定位置，以确保器官和组织的正确形成。这在神经系统的发育中尤为重要，在这个过程中，神经元必须通过复杂的环境导航，与目标细胞建立连接。除了它们的自然角色，趋化因子在癌症研究领域也引起了关注。肿瘤可以利用趋化因子吸引血管，这一过程称为血管生成。通过释放特定的趋化因子，肿瘤可以刺激新血管的生长，为它们提供必要的营养和氧气，以便生长和扩散。理解这一机制促使了针对抑制趋化因子信号通路的靶向治疗的发展，可能减缓肿瘤的生长和转移。总之，趋化因子的概念是我们理解各种生物过程的基础。从引导免疫细胞到感染现场，到在发育和癌症进展中发挥关键作用，趋化因子都是细胞通信复杂舞蹈中的关键角色。随着研究继续揭示趋化因子信号的复杂性，它为一系列疾病的治疗干预开辟了新的途径，突显了这一迷人研究领域的重要性。