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関連する概念動画

Chromatin Structure and RNA Splicing02:41

Chromatin Structure and RNA Splicing

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Inheritance of Chromatin Structures03:17

Inheritance of Chromatin Structures

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Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying...
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Chromatin Position Affects Gene Expression02:35

Chromatin Position Affects Gene Expression

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Chromatin is the massive complex of DNA and proteins packaged inside the nucleus. The complexity of chromatin folding and how it is packaged inside the nucleus greatly influences  access to genetic information. Generally, the nucleus' periphery is considered transcriptionally repressive, while the cell's interior is considered a transcriptionally active area. 
Topologically Associated Domains (TADs)
The 3-dimensional positioning of chromatin in the nucleus influences the...
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Chromatin Packaging02:21

Chromatin Packaging

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Each human somatic cell contains 6 billion base-pairs of DNA. Each base-pair is 0.34 nm long, which means that each diploid cell contains a staggering 2 meters of DNA. How is such a long DNA strand packed inside a nucleus measuring only 10 - 20 microns in diameter? 
The chromatin
In combination with specialized DNA binding protein called Histones, the DNA double helix forms a compact DNA: protein complex called chromatin. The chromatin itself is further compacted into higher-order...
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Chromatin Packaging01:32

Chromatin Packaging

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Each human somatic cell contains 6 billion base pairs of DNA. Each base pair is 0.34 nm long, meaning each diploid cell contains a staggering 2 meters of DNA. This long DNA strand is packed inside a nucleus measuring only 10-20 microns in diameter with the help of specialized DNA-binding proteins called histones. Together they form a compact DNA-protein complex called chromatin. The chromatin is further compacted into higher-order structures. The highest level of compaction is achieved during...
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Spreading of Chromatin Modifications02:25

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The histone proteins in the nucleosomes are post-translationally modified (PTM) to increase or decrease access to DNA. The commonly observed PTMs are methylation, acetylation, phosphorylation, and ubiquitination of lysine amino acids in the histone H3 tail region. These histone modifications have specific meaning for the cell. Hence, they are called "histone code". The protein complex involved in histone modification is termed as "reader-writer" complex.
Writers
The writer...
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Updated: Feb 13, 2026

Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches
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DeepRCI:マルチオミックスのデータによるディープラーニングによるRNA-クロマチン相互作用の予測

Yuanpeng Xiong1,2, Xuan He3, Dan Zhao3

  • 1Department of Computer Science and Technology Tsinghua University Beijing 100084 China.

Quantitative biology (Beijing, China)
|February 12, 2026
PubMed
まとめ

私たちは,RNAとクロマチンの相互作用を特定するための計算ツールであるDeepRCIを開発しました. DeepRCIはこれらの相互作用を正確に予測し,遺伝子調節と細胞機能の洞察を提供します.

キーワード:
RNA-クロマチンRNA-クロマチンとはディープラーニングとは,ディープラーニングです.マルチオミックスのデータ

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科学分野:

  • ゲノミクスゲノミクスとは
  • エピジェネティクス エピジェネティクス
  • コンピュータ生物学 コンピュータ生物学

背景:

  • 染色素関連RNA (caRNA) は,真核生物における重要な表遺伝子調節体であり,転写や分化などのプロセスに不可欠である.
  • RNA-クロマチン相互作用を研究するための実験方法は,しばしば費用がかかり,時間がかかります.
  • 既存の計算ツールでは,クロマチンと相互作用する多様なRNAタイプを検出することが限られています.

研究 の 目的:

  • RNAとクロマチンの相互作用を特定するための新しいコンピューティングフレームワークであるDeepRCIを導入する.
  • これらの相互作用と遺伝子規制コードを分析するための高度に解釈可能なツールを提供すること.

主な方法:

  • DeepRCIは,variformer.という名前のディープラーニングコンポーネントを使用しています.
  • このフレームワークは,RNAとDNAレベルでゲノム特性を分析するために,マルチオミックスのデータを統合しています.

主要な成果:

  • DeepRCIは,既存の方法と比較して,RNA-クロマチンの相互作用を検出する際の卓越した精度を実証しています.
  • 抽出された配列の特徴は,既知の遺伝子調節成分と一致し,生物学的洞察を提供します.
  • 予測は,RNA-クロマチンの相互作用と遺伝子発現のような細胞機能の間のつながりを明らかにします.

結論:

  • DeepRCIは,RNAとクロマチンの相互作用を特徴付けるのに有効なツールです.
  • このフレームワークは,これらの相互作用によって支配される複雑な遺伝子規制コードを解読するのに役立ちます.