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Related Concept Videos

General Transcription Factors01:30

General Transcription Factors

7.5K
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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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.
Translation Produces the Building Blocks of Life
Proteins are...
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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...
83.6K
Transcription Factors02:16

Transcription Factors

26.5K
26.5K
Disorders of Hemostasis01:24

Disorders of Hemostasis

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Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
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Related Experiment Video

Updated: Mar 17, 2026

Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets
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Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets

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Transcription factor defects causing platelet disorders.

Martina E Daly1

  • 1Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK.

Blood Reviews
|July 25, 2016
PubMed
Summary

Inherited platelet disorders can stem from defects in key transcription factors regulating blood cell production. Identifying these genetic defects offers insights into platelet formation and associated health risks.

Keywords:
ETV6FLI1GATA-1GFI1bPlatelet disordersRUNX1Transcription factor defects

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Area of Science:

  • Hematology
  • Molecular Biology
  • Genetics

Background:

  • Inherited platelet function disorders are increasingly linked to transcription factor gene defects.
  • Germline mutations in RUNX1, GATA-1, FLI1, GFI1b, and ETV6 impact megakaryopoiesis and platelet production.
  • These defects cause quantitative/qualitative platelet abnormalities and bleeding symptoms.

Purpose of the Study:

  • To characterize transcription factor defects in inherited platelet disorders.
  • To understand the roles of these transcription factors in platelet formation and function.
  • To identify genes regulated by these factors in platelet disorders.

Main Methods:

  • Analysis of germline mutations in transcription factor genes (RUNX1, GATA-1, FLI1, GFI1b, ETV6).
  • Assessment of platelet quantitative and qualitative abnormalities.
  • Evaluation of associated clinical manifestations including bleeding, hematologic malignancies, erythropoiesis, and immune dysfunction.
  • Investigation of MYH10 expression as a marker for FLI1 and RUNX1 defects.

Main Results:

  • Germline mutations in RUNX1, GATA-1, FLI1, GFI1b, and ETV6 are associated with platelet abnormalities and bleeding.
  • Specific mutations correlate with increased risk of hematologic malignancies, abnormal erythropoiesis, and immune dysfunction.
  • Persistent MYH10 expression serves as a marker for FLI1 and RUNX1 defects.

Conclusions:

  • Transcription factor defects are a significant cause of inherited platelet function disorders.
  • These defects have broader implications for hematopoiesis, malignancy risk, and immune function.
  • Further characterization of these defects and their downstream targets will elucidate platelet development and function.