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Cis-regulatory Sequences02:02

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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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Global regulatory systems in bacteria enable rapid and coordinated responses to environmental changes by integrating sensory inputs with gene expression, ensuring efficient adaptation to fluctuating conditions. Key global regulatory mechanisms include regulons, two-component systems, sigma factors, and secondary messengers.Regulons and Global RegulatorsA regulon is a collection of genes and operons controlled by a common global regulator. These regulators enable bacteria to prioritize resource...
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Plant tissues are collections of similar cells performing related functions. Different plant tissues will have their own specialized roles and can be combined with other tissues to form organs such as flowers, fruit, stem, and leaves. Two major types of plant tissue include meristematic and permanent tissue.
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Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
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Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
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Generation of Human Chimeric Antigen Receptor Regulatory T Cells
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組織を規制するT細胞

Markus Feuerer1,2, Daniel H D Gray3,4, Lucille C Rankin3,4

  • 11Research Division Immunology, Leibniz Institute for Immunotherapy, Regensburg, Germany;

Annual review of immunology
|February 12, 2026
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まとめ
この要約は機械生成です。

組織内定の調節性T細胞 (Tregs) は,様々な臓器で重要な機能を果たし,組織修復とホメオスタシスを支援します. 彼らのレジデンス・プログラムを理解することは,新しい治療法の可能性を秘めています.

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科学分野:

  • 免疫学 免疫学とは
  • 細胞生物学 細胞生物学
  • 組織ホメオスタシス

背景:

  • FOXP3+ 調節性T細胞 (Tregs) は,全身免疫反応を制御することが知られている.
  • Tregsのサブセットは,非リンパ性組織に存在し,免疫抑制を超えて明確な機能を発揮します.
  • これらの組織内定のTregsは,ホメオスタシス,修復,再生を含む組織生理学を維持する上で重要な役割を果たします.

研究 の 目的:

  • 複数の臓器における組織在住のTregsの形態と機能に関する現在の知識を調査する.
  • 分子特性と細胞運動を合成し,組織在留の共有プログラムを特定する.
  • 臨床的翻訳の可能性をレビューし,治療応用のための知識のギャップを特定する.

主な方法:

  • 組織在住のTregsに関する既存の研究の文献レビューと合成.
  • 異なる組織における分子特性と細胞運動の分析.
  • ホメオスタシスと疾患状態におけるTregの行動の検討.

主要な成果:

  • 組織に居住するTregsは,脂肪,筋肉,心臓,脳,皮膚,肺,腸などの臓器で多様な有益な役割を果たします.
  • 保存された分子プログラムは,さまざまな組織と種にわたってTreg組織の居住を駆動します.
  • 組織に定着するTregsのダイナミックな細胞の流れは,ホメオスタシスと病気の両方で観察されます.

結論:

  • 組織在住のTregsは,臓器生理学において重要な役割を果たす明確な機能的サブセットを表しています.
  • コアレジデンスモジュールは,特定の組織マイクロ環境へのTregの適応を統制する.
  • この集団に関するさらなる研究は,新しい治療戦略の開発に有望である.