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相关概念视频

General Transcription Factors01:30

General Transcription Factors

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Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
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Master Transcription Regulators02:23

Master Transcription Regulators

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Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
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Transcription Factors02:16

Transcription Factors

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Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
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Lineage Commitment01:21

Lineage Commitment

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Commitment is the  process whereby stem cells:
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Chromatin Structure Regulates pre-mRNA Processing02:41

Chromatin Structure Regulates pre-mRNA Processing

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In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
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Regulation of Hematopoietic Stem Cells01:01

Regulation of Hematopoietic Stem Cells

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All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
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相关实验视频

Updated: Jan 12, 2026

Mouse Fetal Liver Culture System to Dissect Target Gene Functions at the Early and Late Stages of Terminal Erythropoiesis
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特定阶段的TRIM10表达调节了红状腺成熟的过程.

Heesoo Kim1, Wonji Shin2, Dongeun Lee1

  • 1Department of Systems Biology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, South Korea.

EMBO reports
|October 31, 2025
PubMed
概括
此摘要是机器生成的。

三方基因含有蛋白10α (TRIM10α) 对于红细胞的成熟至关重要,有助于血红蛋白的处理和清除. 它的选择性表达阻止了有害的聚合,支持红状腺恒温和疾病洞察力.

关键词:
在C1qq.红色素质的形成Erythropoiesis血红蛋白成熟的时间在 TRIM10 中,

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Identification and Analysis of Mouse Erythroid Progenitors using the CD71/TER119 Flow-cytometric Assay
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Identification and Analysis of Mouse Erythroid Progenitors using the CD71/TER119 Flow-cytometric Assay
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科学领域:

  • 细胞生物学 细胞生物学
  • 血液学 血液学 血液学
  • 分子生物学分子生物学

背景情况:

  • 红状腺细胞在分化过程中经历了显著的重塑.
  • 在红色素形成过程中,乌比奎丁E3链酶受到动态调节,但它们除了催化之外的功能尚未完全理解.

研究的目的:

  • 为了研究含有三方基因的蛋白质10α (TRIM10α) 在红状腺成熟中的作用.
  • 阐明TRIM10α调节红细胞发育和恒温的机制.

主要方法:

  • 鉴定TRIM10α作为一种特定于红细胞的E3结合酶.
  • 对TRIM10α自我关联,局部化和与补体C1q的相互作用进行分析.
  • 研究TRIM10α在血红蛋白成熟,聚合和降解途径 (溶酶体和自) 中的作用.
  • 与替代拼接的TRIM10β异形进行比较分析.

主要成果:

  • TRIM10α自我结合,在红细胞表面结合细胞外C1q,促进巨细胞的识别和细胞封装.
  • 表面C1q与EpoR相互作用,促进 lysosomal 降解和调节红色素信号传递.
  • 细胞质TRIM10α增强了血红蛋白成熟,并在氧化应激下隔离聚合物.
  • 通过p62-介导自的TRIM10α降解可以清除血红蛋白聚合物.
  • 替代拼接的TRIM10β异型,在人体表达不佳,形成有害的聚合物,这表明其进化抑制对红色球体平衡至关重要.

结论:

  • TRIM10α在逐步的红细胞成熟中发挥着多方面的作用,调节细胞表面相互作用,血红蛋白处理和聚合物清除.
  • 异常的TRIM10表达涉及到与红状腺相关的疾病.
  • TRIM10代表了潜在的生物标志物和血液学疾病的治疗标.