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Protein Networks02:26

Protein Networks

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
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Protein Networks02:26

Protein Networks

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The Extracellular Matrix01:42

The Extracellular Matrix

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The Extracellular Matrix01:29

The Extracellular Matrix

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Overview
In order to maintain tissue organization, many animal cells are surrounded by structural molecules that make up the extracellular matrix (ECM). Together, the molecules in the ECM maintain the structural integrity of tissue as well as the remarkable specific properties of certain tissues.
Composition of the Extracellular Matrix
The extracellular matrix (ECM) is commonly composed of ground substance, a gel-like fluid, fibrous components, and many structurally and functionally diverse...
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Matrix Proteoglycans and Glycoproteins01:21

Matrix Proteoglycans and Glycoproteins

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Proteoglycans are extensively glycosylated proteins, commonly found in the extracellular matrix, interwoven with collagen fibers. Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers associated with large amounts of proteoglycans. These proteoglycans have long negative charges that attract cations, which in turn attract water molecules. This influx of ions and water molecules swells up the proteoglycan like a water-soaked gel that can...
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Overview of Cell-Matrix Interactions01:24

Overview of Cell-Matrix Interactions

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The extracellular matrix or ECM holds cells together to form a tissue and allows the cells within the tissue to communicate. ECM comprises proteins such as fibronectin, collagen, laminin, etc. The most abundant protein in this space is collagen. Collagen fibers are interwoven with carbohydrate-containing protein molecules called proteoglycans. ECM allows cell migration and provides a structural scaffold at cell adhesion that anchors the cell when the extracellular matrix proteins interact with...
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異なった教育的な細胞外タンパク質マイクロネット.

Nilofar Faruqui1, Angelo Bella, Jascindra Ravi

  • 1National Physical Laboratory , Hampton Road, Teddington TW11 0LW, U.K.

Journal of the American Chemical Society
|May 15, 2014
PubMed
まとめ
この要約は機械生成です。

研究者は,高度な生体材料の自己組み立てを使用して,新しいタンパク質マイクロネットを開発しました. この合成細胞外マトリックスは,本来の組織を模倣し,哺乳類の細胞成長を促し,細菌のコロニー化を抑制します.

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JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
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A Rapid, Scalable Method for the Isolation, Functional Study, and Analysis of Cell-derived Extracellular Matrix
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科学分野:

  • バイオマテリアル科学 バイオマテリアル科学
  • 合成生物学 合成生物学とは
  • 組織工学とは,組織工学のことです.

背景:

  • バイオ分子自己組み立ては,機能的なバイオマテリアルを構築するための重要な戦略です.
  • 特定の機能と長さのスケールのために自己アセンブリを合成的に複製することは,依然として課題です.
  • ネイティブ・エクストラセルラー・マトリックス (ECM) は,細胞に複雑な構造的,機能的なシグナルを提供します.

研究 の 目的:

  • 機能的なバイオミメティック細胞外マトリックスを作成するための合成自己組み立てトポロジーを開発する.
  • 細胞粘着に対する異なる反応を持つタンパク質マイクロネットを設計する.
  • 特定の生物学的機能のための建築的,化学的性質の制御を達成するために.

主な方法:

  • タンパク質マイクロネットを作成するために,新しい自己組み立てトポロジーを利用しました.
  • 合成されたマイクロネットの形態学と化学的性質を調査した.
  • 細胞の結合,増殖,バクテリアの植民地化抵抗など,生物学的性能を評価した.

主要な成果:

  • ネイティブECMアーキテクチャをミリメートル以下スケールで真似したタンパク質マイクロネットを成功裏に構築しました.
  • マイクロネットで哺乳類の細胞の結合と増殖の強化が実証されています.
  • コントロールと比較してバクテリアのコロニー化に対する耐性が向上した.
  • マイクロネットの形態的,化学的性質と相関する生物学的性能.

結論:

  • 開発された自己組み立てトポロジーは,微分細胞外マトリックスを作成することを可能にします.
  • タンパク質マイクロネットは,生物学的機能に合わせたバイオマテリアルを設計するための汎用性のあるプラットフォームを提供します.
  • このアプローチは,細胞結合と微生物の相互作用を制御できる合成バイオマテリアルを設計するためのモデルを提供します.