adult haemoglobin

简明释义

成人血红蛋白

英英释义

例句

1.A mutation in the gene responsible for adult haemoglobin can lead to conditions such as sickle cell disease.

负责产生成人血红蛋白的基因突变可能导致镰状细胞病等疾病。

2.Research on adult haemoglobin is crucial for developing treatments for blood disorders.

对成人血红蛋白的研究对开发血液疾病的治疗至关重要。

3.The presence of adult haemoglobin indicates that the individual has transitioned from fetal to adult blood composition.

存在成人血红蛋白表明个体已经从胎儿血液成分过渡到成人血液成分。

4.Doctors often measure adult haemoglobin levels to diagnose anemia in patients.

医生通常测量成人血红蛋白水平以诊断患者的贫血。

5.In healthy adults, adult haemoglobin makes up about 95-98% of total hemoglobin.

在健康成年人中，成人血红蛋白约占总血红蛋白的95-98%。

作文

Hemoglobin is a vital protein found in red blood cells, responsible for transporting oxygen from the lungs to the rest of the body. In humans, there are different types of hemoglobin that correspond to various stages of development. One of the most important forms of hemoglobin is known as adult haemoglobin, which is predominant in healthy adults. Understanding adult haemoglobin is crucial not only for comprehending human physiology but also for addressing various medical conditions related to blood and oxygen transport.The structure of adult haemoglobin differs from that of fetal hemoglobin, which is present in newborns and provides a higher affinity for oxygen. This difference is essential because it allows infants to efficiently extract oxygen from the mother’s bloodstream during pregnancy. As a child grows and develops, their body gradually transitions to producing adult haemoglobin, which has a different structure, consisting of two alpha and two beta chains. This structural change is significant as it reflects the body's adaptation to independent respiration outside the womb.The importance of adult haemoglobin extends beyond its structural characteristics; it plays a critical role in maintaining proper physiological functions. For instance, it facilitates the release of oxygen to tissues that require it for metabolism and energy production. Additionally, adult haemoglobin helps in the transport of carbon dioxide, a waste product of metabolism, back to the lungs where it can be exhaled. This dual function is vital for maintaining the body’s acid-base balance and ensuring that all cells receive the oxygen they need to function effectively.However, abnormalities in adult haemoglobin can lead to serious health issues. Conditions such as sickle cell disease and thalassemia are examples of genetic disorders that affect the production and function of hemoglobin. In sickle cell disease, for example, the presence of mutated hemoglobin causes red blood cells to become rigid and take on a sickle shape, leading to blockages in blood vessels and reduced oxygen delivery to tissues. Understanding the molecular basis of these disorders is essential for developing effective treatments and therapies.Moreover, advancements in medical research have opened new avenues for understanding and manipulating adult haemoglobin. Scientists are exploring ways to use modified hemoglobin for therapeutic purposes, such as creating blood substitutes that could alleviate shortages in blood banks. These innovations highlight the ongoing relevance of adult haemoglobin in both basic science and clinical applications.In conclusion, adult haemoglobin is a fundamental component of human biology, integral to oxygen transport and overall metabolic health. Its unique properties and functions make it a subject of great interest in both medicine and research. By studying adult haemoglobin, we can gain insights into various diseases and develop strategies for improving health outcomes. As our understanding of this protein continues to evolve, it promises to enhance our ability to address the challenges posed by blood-related disorders and improve the quality of life for many individuals worldwide.

血红蛋白是红细胞中一种重要的蛋白质，负责将氧气从肺部运输到身体的其他部分。在人类中，血红蛋白有不同类型，对应于不同的发展阶段。其中一种最重要的血红蛋白形式被称为成人血红蛋白，它在健康成年人中占主导地位。理解成人血红蛋白不仅对理解人类生理学至关重要，而且对于解决与血液和氧气运输相关的各种医学问题也至关重要。成人血红蛋白的结构与新生儿的胎儿血红蛋白不同，后者在新生儿体内存在，并且具有更高的氧气亲和力。这种差异是必不可少的，因为它使婴儿能够在怀孕期间有效地从母亲的血液中提取氧气。随着孩子的成长和发育，他们的身体逐渐过渡到产生成人血红蛋白，这种血红蛋白的结构不同，由两个α链和两个β链组成。这一结构变化是重要的，因为它反映了身体在子宫外独立呼吸时的适应。成人血红蛋白的重要性不仅在于其结构特征；它在维持正常生理功能方面发挥着关键作用。例如，它促进氧气释放到需要代谢和能量生产的组织中。此外，成人血红蛋白还帮助运输二氧化碳，这是代谢的废物产品，返回肺部以便排出。这一双重功能对于维持身体的酸碱平衡以及确保所有细胞获得所需氧气以有效运作至关重要。然而，成人血红蛋白的异常可能导致严重的健康问题。像镰状细胞病和地中海贫血等疾病是影响血红蛋白的生成和功能的遗传疾病的例子。在镰状细胞病中，例如，突变血红蛋白的存在导致红细胞变得僵硬并呈现镰刀形状，导致血管阻塞和组织氧气供应减少。理解这些疾病的分子基础对于开发有效的治疗和疗法至关重要。此外，医学研究的进展为理解和操控成人血红蛋白开辟了新的途径。科学家们正在探索利用改良血红蛋白进行治疗的方式，例如创造可以缓解血库短缺的血液替代品。这些创新突显了成人血红蛋白在基础科学和临床应用中的持续相关性。总之，成人血红蛋白是人类生物学的基本组成部分，对于氧气运输和整体代谢健康至关重要。其独特的特性和功能使其成为医学和研究领域的重大兴趣对象。通过研究成人血红蛋白，我们可以深入了解各种疾病并制定改善健康结果的策略。随着我们对这种蛋白质理解的不断发展，它有望增强我们应对血液相关疾病带来的挑战的能力，并改善全球许多人的生活质量。