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Histone Variants at the Centromere02:30

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Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3...
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Detection of Rare Genomic Variants from Pooled Sequencing Using SPLINTER
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Molecular systems, human noncoding sequence variants, and blood pressure.

Qiongzi Qiu1, Mingyu Liang1

  • 1Department of Physiology and Molecular Systems Medicine Initiative, University of Arizona College of Medicine, Tucson, Arizona, United States.

Physiological Reviews
|January 30, 2026
PubMed
Summary
This summary is machine-generated.

Millions of non-coding variants in the human genome influence traits and diseases. Functional studies reveal how these variants affect gene expression and complex conditions like blood pressure.

Keywords:
blood pressureepigeneticsgeneticshypertension

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Area of Science:

  • Genomics
  • Human Genetics
  • Molecular Biology

Background:

  • The human genome contains millions of non-coding sequence variants.
  • Genome-wide association studies (GWAS) link these variants to traits and diseases.
  • Understanding the functional impact of non-coding variants is crucial.

Purpose of the Study:

  • To investigate the role of non-coding sequence variants in human physiology and disease.
  • To identify effector genes and regulatory mechanisms influenced by non-coding variants.
  • To explore the impact of non-coding variants on blood pressure regulation.

Main Methods:

  • Integrative approaches including expression quantitative trait locus (eQTL) mapping.
  • Epigenomic profiling and precise genome editing in relevant cell types.
  • Comparative genomics studies using animal models for orthologous regions.

Main Results:

  • Identified novel genes and pathways involved in blood pressure regulation.
  • Elucidated specific mechanisms by which non-coding variants alter gene expression and affect blood pressure.
  • Demonstrated significant phenotypic effects of non-coding variants in animal models.

Conclusions:

  • Non-coding variants play a substantial role in human traits and diseases, including blood pressure.
  • Functional studies are essential for deciphering the regulatory mechanisms underlying genetic associations.
  • Advances in functional genomics will provide critical insights into human biology and disease systems.