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相关概念视频

Multiple Allele Traits01:49

Multiple Allele Traits

The Concept of Multiple Allelism
Disorders of Erythrocytes01:27

Disorders of Erythrocytes

Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Translation01:31

Translation

Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Translation01:31

Translation

Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
Alternative RNA Splicing02:18

Alternative RNA Splicing

Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
There are five types of alternative RNA splicing that vary in the ways the pre-mRNA segments are removed or retained in the mature mRNA. The first...

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相关实验视频

Updated: Jun 6, 2026

Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry
08:23

Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry

Published on: November 5, 2019

状细胞疾病是一种状细胞疾病.

David C Rees1, Thomas N Williams, Mark T Gladwin

  • 1Department of Paediatric Haematology, King's College Hospital NHS Foundation Trust, King's College London, London, UK. david.rees@kcl.ac.uk

Lancet (London, England)
|December 7, 2010
PubMed
概括
此摘要是机器生成的。

状细胞疾病 (SCD) 由于红细胞状,导致严重的健康问题. 有效的治疗方法有限,特别是在非洲,强调了针对性治疗的必要性.

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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
05:23

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

相关实验视频

Last Updated: Jun 6, 2026

Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry
08:23

Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry

Published on: November 5, 2019

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
05:23

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

科学领域:

  • 遗传学和血液学
  • 儿科神经学 儿科神经学
  • 全球健康 全球健康

背景情况:

  • 状细胞疾病 (SCD) 是全球普遍存在的严重单一性疾病.
  • 病理生理学涉及血红蛋白聚合,导致红细胞刚性和血管封闭.
  • 慢性贫血,血液溶解和血管病是SCD并发症的确立贡献者.

研究的目的:

  • 审查状细胞疾病的病理生理学和临床管理.
  • 突出SCD治疗的挑战,特别是儿童的脑血管疾病和认知障碍.
  • 讨论地理位置,特别是非洲对SCD严重程度和结果的影响.

主要方法:

  • 关于状细胞疾病病理生理学,临床表现和当前管理策略的文献综述.
  • 分析特定并发症的作用,如脑血管疾病和认知障碍.
  • 检查影响疾病严重程度的因素,包括非洲人口中的传染病.

主要成果:

  • 血红蛋白聚合是SCD病理生理学的核心.
  • 脑血管疾病和认知障碍是儿科SCD的重要关注点.
  • 在非洲,SCD的临床过程更为严重,受传染病的影响.

结论:

  • 目前对SCD的临床治疗是基本的,基于证据的治疗方法有限.
  • 进一步的研究对于开发针对性治疗SCD病理生理学和并发症至关重要.
  • 了解和解决非洲SCD严重程度的增加对于全球健康公平至关重要.