spermine

简明释义

英[ˈspɜːmiːn]美[ˈspɜːrmɪn]

n. [生化] 精胺，精素

英英释义

单词用法

同义词

反义词

例句

1.Abstract: Polyamines (putrescine, spermidine, spermine) are growth factors in both prokaryote and eukaryote.

摘要多胺(腐胺、精胺、亚精胺等)是原核生物和真核生物的生长因子。

2.The LR models indicated that the absolute concentrations of citrate, myo-inositol, and spermine were highly predictive of prostate cancer and inversely related to the risk of prostate cancer.

Logistic回归模型显示柠檬酸盐、肌醇和精胺的绝对浓度高度预测了前列腺癌，与前列腺癌风险呈反比。

3.Spermine, spermidine, putrescine and tyramine seem to be essential constituents of beer because they were found in all or in almost all samples.

精胺，精胺，腐胺和酪胺似乎是必不可少的成分，因为它们的啤酒被发现在所有或几乎所有的样本。

4.Spermine content was related to the biomass of corresponding parts, indicating that there is a close relationship between spermine and growth in the plant.

在所有处理中，精胺含量与其相应部位的生物量积累有一定的相关性，表明精胺与生长之间可能存在着密切联系。

5.The LR models indicated that the absolute concentrations of citrate, myo-inositol, and spermine were highly predictive of prostate cancer and inversely related to the risk of prostate cancer.

Logistic回归模型显示柠檬酸盐、肌醇和精胺的绝对浓度高度预测了前列腺癌，与前列腺癌风险呈反比。

6.The severer the condition of cerebral infarction, the higher the putrescine level and the lower the spermidine and spermine levels.

脑梗死急性期腐胺水平随病情加重显著升高，精脒、精胺水平随病情加重而下降。

7.Abstract : Polyamines(putrescine, spermidine, spermine) are growth factors in both prokaryote and eukaryote.

摘要 ：多胺（腐胺、精胺、亚精胺等）是原核生物和真核生物的生长因子。

8.Spermine could induce the fusion of human ghost membrane.

精胺能诱导血影膜的融合。

9.Spermine was added extracellularly to the bath before anoxia and spermine, spermidine or putrescine was added extracellularly after reoxygenation.

分别在缺氧前给予精胺，缺氧-复氧后给予精胺、精脒、腐胺。

10.Modification of cadmium (Cd) toxicity in ramie by exogenous spermine (Spm) with different concentrations and adding modes were researched under hydroponic conditions.

采用水培实验法，研究了不同浓度和不同施加方式下外源精胺对苎麻镉污染毒害的缓解效应。

11.In their experiments, scientists used spermine to stabilize the DNA structure.

在他们的实验中，科学家使用了spermine 来稳定DNA结构。

12.The antioxidant properties of spermine may protect cells from oxidative stress.

由于其抗氧化特性，spermine 可能保护细胞免受氧化应激的影响。

13.The research team discovered that spermine can enhance cell growth in certain types of tissues.

研究团队发现，spermine 可以促进某些类型组织的细胞生长。

14.It was found that spermine plays a role in cellular signaling pathways.

研究发现，spermine 在细胞信号传导通路中起着重要作用。

15.The presence of spermine in the cell culture media improved the overall yield of the protein.

在细胞培养基中添加spermine 提高了蛋白质的整体产量。

作文

Spermine is a polyamine that plays a crucial role in cellular processes. It is a naturally occurring compound found in various living organisms, including plants, animals, and microorganisms. The significance of spermine lies in its involvement in cell growth, differentiation, and stabilization of DNA structures. In recent years, research has highlighted the potential therapeutic applications of spermine, particularly in cancer treatment and regenerative medicine. The discovery of spermine dates back to the early 20th century when it was first isolated from human semen, hence its name. Since then, scientists have explored its biochemical properties and functions. One of the key characteristics of spermine is its ability to interact with nucleic acids, which are essential for genetic material. This interaction helps to stabilize the structure of DNA and RNA, making spermine vital for maintaining the integrity of genetic information during cell division and replication.Moreover, spermine is known to protect cells from oxidative stress. Oxidative stress occurs when there is an imbalance between free radicals and antioxidants in the body, leading to cellular damage. By scavenging free radicals, spermine can help mitigate the harmful effects of oxidative stress, promoting cell survival and longevity. This property has sparked interest in its potential use as a dietary supplement or therapeutic agent to enhance health and prevent age-related diseases.In addition to its protective roles, spermine is also involved in regulating cellular signaling pathways. It has been shown to influence various biological processes, including cell proliferation, apoptosis (programmed cell death), and immune responses. These regulatory functions make spermine a target for drug development, particularly for conditions such as cancer, where abnormal cell growth occurs. Researchers are investigating ways to manipulate spermine levels in cells to either promote or inhibit cell growth, depending on the therapeutic goal.Furthermore, the relationship between spermine and aging has gained attention in recent studies. As organisms age, the levels of polyamines, including spermine, tend to decline. This decline may contribute to age-related cellular dysfunction and diseases. Some studies suggest that restoring spermine levels could improve cellular function and resilience, potentially leading to healthier aging. However, more research is needed to fully understand the implications of spermine in aging and longevity.In conclusion, spermine is a multifaceted compound with significant biological roles. Its involvement in DNA stabilization, oxidative stress protection, and cellular regulation highlights its importance in health and disease. As research continues to uncover the mechanisms behind spermine function, it holds promise for future therapeutic applications. Understanding and harnessing the power of spermine may lead to innovative strategies for improving health outcomes and addressing various medical conditions. The journey of exploring spermine is just beginning, and its potential impact on science and medicine is vast and exciting.

精胺是一种多胺，在细胞过程中发挥着至关重要的作用。它是一种自然存在的化合物，存在于各种生物体中，包括植物、动物和微生物。精胺的重要性在于它参与细胞生长、分化和DNA结构的稳定。近年来，研究突出了精胺的潜在治疗应用，特别是在癌症治疗和再生医学中的应用。精胺的发现可以追溯到20世纪初，当时它首次从人类精液中分离出来，因此得名。从那时起，科学家们开始探索其生化特性和功能。精胺的一个关键特征是它能够与核酸相互作用，核酸是遗传物质的基础。这种相互作用有助于稳定DNA和RNA的结构，使得精胺在细胞分裂和复制过程中对于保持遗传信息的完整性至关重要。此外，精胺还被认为可以保护细胞免受氧化应激的影响。氧化应激发生在自由基和抗氧化剂之间存在不平衡时，导致细胞损伤。通过清除自由基，精胺可以帮助减轻氧化应激的有害影响，促进细胞的存活和寿命。这一特性引发了人们对其作为膳食补充剂或治疗剂的潜在用途的兴趣，以增强健康和预防与年龄相关的疾病。除了其保护作用外，精胺还参与调节细胞信号通路。研究表明，它可以影响多种生物过程，包括细胞增殖、凋亡（程序性细胞死亡）和免疫反应。这些调节功能使得精胺成为药物开发的目标，特别是针对癌症等异常细胞生长的疾病。研究人员正在调查如何操纵细胞中的精胺水平，以根据治疗目标促进或抑制细胞生长。此外，精胺与衰老之间的关系在最近的研究中引起了关注。随着生物体的衰老，多胺（包括精胺）的水平往往会下降。这一下降可能会导致与年龄相关的细胞功能障碍和疾病。一些研究表明，恢复精胺水平可能改善细胞功能和韧性，从而可能导致更健康的衰老。然而，需要更多的研究来充分理解精胺在衰老和长寿中的影响。总之，精胺是一种具有多重功能的化合物，具有重要的生物学作用。它在DNA稳定、氧化应激保护和细胞调节中的作用凸显了它在健康和疾病中的重要性。随着研究不断揭示精胺功能背后的机制，它在未来治疗应用中的前景令人期待。理解和利用精胺的力量可能会带来改善健康结果和解决各种医疗条件的创新策略。探索精胺的旅程才刚刚开始，其对科学和医学的潜在影响是广泛而令人兴奋的。