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相关概念视频

Disorders of Erythrocytes01:27

Disorders of Erythrocytes

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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.
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Translation01:31

Translation

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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...
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Translation01:31

Translation

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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.
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Inborn Errors of Metabolism01:20

Inborn Errors of Metabolism

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Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
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Hypoxia01:23

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Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
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There are four primary types of hypoxia, each resulting from a different cause:
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A Precision Medicine Tool for Measurement and Monitoring of Hemoglobin S in Sickle Cell Disease Patients Receiving Transfusion Therapy
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A Precision Medicine Tool for Measurement and Monitoring of Hemoglobin S in Sickle Cell Disease Patients Receiving Transfusion Therapy

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泰拉塞米亚

Ali T Taher1, David J Weatherall2, Maria Domenica Cappellini3

  • 1Department of Internal Medicine, American University of Beirut Medical Centre, Beirut, Lebanon.

Lancet (London, England)
|August 5, 2017
PubMed
概括
此摘要是机器生成的。

遗传性血液疾病如血病和状细胞疾病是常见的遗传性疾病. 研究正在探索针对链不平衡和铁过载等根本原因的新疗法.

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科学领域:

  • 血液学
  • 遗传学
  • 分子生物学

背景情况:

  • 遗传性血红蛋白疾病,包括血病和状细胞疾病,是全球普遍存在的单一性疾病.
  • 这些疾病表现为不平衡的全球蛋白链比率,无效的红色素形成,慢性溶血性贫血和铁过载并发症.
  • 目前的治疗包括输血,铁化和切除术,

研究的目的:

  • 审查遗传性血红蛋白疾病的病理生理学.
  • 讨论目前的管理策略.
  • 突出针对分子和病原因素的新兴治疗方法.

主要方法:

  • 对遗传性血红蛋白疾病的文献综述.
  • 对病理生理机制的分析.
  • 评估当前和新的治疗策略.

主要成果:

  • 遗传性血红蛋白疾病具有复杂的病理生理学,包括全球蛋白链不平衡和铁过载.
  • 传统的治疗方法如输血和化是标准的,
  • 正在探索新的治疗途径来解决潜在的疾病机制.

结论:

  • 了解血红蛋白疾病的分子基础对于开发向疗法至关重要.
  • 新的治疗方法旨在纠正链不平衡,改善红质形成,并管理铁失调.
  • 目前正在进行的研究有望改善血红蛋白遗传性疾病患者的治疗结果.