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相关概念视频

Protein Networks02:26

Protein Networks

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,...
Overview of Cell-Matrix Interactions01:24

Overview of Cell-Matrix Interactions

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...
Overview of Cell-Cell Junctions01:14

Overview of Cell-Cell Junctions

The complex three-dimensional arrangement of cells in any multicellular organism is defined and maintained by interactions of cells with each other and the extracellular matrix. Cell-cell junctions are specialized structures where the multi-protein complexes on one cell interact with the multi-protein complexes on another  cell. These cell junctions are classified  into three main types based on their function — occluding, anchoring, and gap junctions.
Occluding or Tight Junctions
Tight...
Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
CAM Families
The Integrin family of proteins is primarily  involved in a...
Overview of Cell-Cell Junctions01:14

Overview of Cell-Cell Junctions

The complex three-dimensional arrangement of cells in any multicellular organism is defined and maintained by interactions of cells with each other and the extracellular matrix. Cell-cell junctions are specialized structures where the multi-protein complexes on one cell interact with the multi-protein complexes on another  cell. These cell junctions are classified  into three main types based on their function — occluding, anchoring, and gap junctions.
Occluding or Tight Junctions
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scSDNE:一种基于图形嵌入的半监督方法,用于推断基于图形嵌入的细胞相互作用.

Chenchen Jia1, Haiyun Wang2, Jianping Zhao1

  • 1College of Mathematics and System Sciences, Xinjiang University, Urumqi, China.

PLoS computational biology
|May 7, 2025
PubMed
概括
此摘要是机器生成的。

我们开发了scSDNE,这是一种深度学习模型,可以通过连接体-受体相互作用推断细胞与细胞之间的通信. 它通过整合基因调节来准确识别通信通路,增强生物洞察力.

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科学领域:

  • 细胞生物学 细胞生物学
  • 生物信息学是一种生物信息学.
  • 基因组学就是基因组学.

背景情况:

  • 细胞与细胞之间的沟通对于多细胞生物来说至关重要,通过连接体-受体 (L-R) 相互作用进行介导.
  • 了解这些相互作用是解读生物过程和细胞功能的关键.
  • 现有的方法需要全面了解这些复杂的相互作用.

研究的目的:

  • 开发一种新的计算模型,以推断由L-R对介导的细胞-细胞相互作用.
  • 提高细胞间通信分析的准确性和生物解释性.
  • 为了更全面地了解生物系统中细胞与细胞的相互作用.

主要方法:

  • 构建了一个手动策划的联体受体相互作用数据库.
  • 开发了一个半监督图形嵌入深度学习模型 (scSDNE).
  • 将相互作用的细胞基因映射到共享的潜伏空间中,并集成基因调节信息.

主要成果:

  • scSDNE可靠地推断出涉及细胞间通信的显著L-R对.
  • 该模型在检测scRNA-seq数据上的细胞相互作用方面表现出高可靠性.
  • 整合基因调节信息提高了推断准确性和解释性.

结论:

  • scSDNE提供了一种强大的工具,可以通过L-R相互作用来分析细胞之间的通信.
  • 该模型为复杂的细胞间通信机制提供了新的见解.
  • 这种方法增强了对多细胞生物的生物过程和细胞功能的理解.