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Cis-regulatory Sequences02:02

Cis-regulatory Sequences

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Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
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Cis-regulatory Sequences02:02

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What is Gene Expression?01:42

What is Gene Expression?

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Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
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Cell Specific Gene Expression01:58

Cell Specific Gene Expression

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Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
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Combinatorial Gene Control02:33

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Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
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Quantifying the Activity of cis-Regulatory Elements in the Mouse Retina by Explant Electroporation
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AIによる遺伝子発現制御のためのシス調節エレメント設計

Yan Xia1, Yi-Xin Huo2

  • 1Department of Gastroenterology, Aerospace Center Hospital, College of Life Science, Beijing Institute of Technology, No. 5 South Zhongguancun Street, Haidian District, Beijing 100081, China; Zhongguancun Academy, Beijing 100094, China.

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まとめ
この要約は機械生成です。

人工知能（AI）は、遺伝子発現制御のためのシス調節エレメント（CRE）の設計に革命をもたらしています。AIは有望な可能性を示していますが、高度な合成生物学のためには、データの制限や解釈可能性といった課題に対処する必要があります。

キーワード:
DNA基盤モデル深層学習エンハンサー生成モデルプロモーター調節エレメント

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科学分野:

  • ゲノミクス
  • 合成生物学
  • 計算生物学

背景:

  • シス調節エレメント（CRE）は遺伝子発現に不可欠ですが、従来の設計方法は非効率的です。
  • 深層学習の進歩は、CREの予測を強化し、合成CREの設計を可能にしています。

研究 の 目的:

  • CRE設計と予測におけるAIの影響をレビューすること。
  • AI駆動型CREエンジニアリングにおける現在の課題と将来の方向性について議論すること。

主な方法:

  • 深層学習モデル（特殊な設計モデルやDNA基盤モデルを含む）のレビュー。
  • ハイスループット実験データとのAI統合の分析。
  • マルチモーダルモデリングや強化学習などの新興AI技術の検討。

主要な成果:

  • AIは予測精度を向上させ、プロモーターやエンハンサーなどの合成CREの設計戦略を提供します。
  • AIモデルは、複雑な調節アーキテクチャの生成において進歩を示しています。
  • 現在のAI手法は、データの不足、予測と実験のギャップ、解釈可能性の制限などの課題に直面しています。

結論:

  • AIは、体系的かつターゲットを絞った合成CRE設計のための大きな可能性を秘めています。
  • 将来の方向性には、データの質の向上、モデルの解釈可能性の強化、マルチモーダルおよび強化学習アプローチの探求が含まれます。
  • 現在の制限を克服することが、調節エレメントエンジニアリングにおけるAIの能力を完全に実現するための鍵となります。