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Related Concept Videos

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,...
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,...
Protein-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Structural Protein Function01:56

Structural Protein Function

Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to form...
Structural Protein Function01:56

Structural Protein Function

Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to form...
The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...

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Related Experiment Videos

Functional modules analysis based on protein-protein network analysis in ankylosing spondylitis.

C Zhang1, L Shen

  • 1Huazhong University of Science and Technology Affiliated Tongji Medical College of Traditional Chinese and Western Medicine Hospital, Wuhan, China.

European Review for Medical and Pharmacological Sciences
|December 5, 2012
PubMed
Summary

This study identifies key genes involved in ankylosing spondylitis (AS) by analyzing gene expression and protein networks. These findings offer insights into AS disease mechanisms and potential therapeutic targets.

Related Experiment Videos

Area of Science:

  • Genetics
  • Immunology
  • Rheumatology

Background:

  • Ankylosing spondylitis (AS) is a chronic inflammatory condition affecting the axial skeleton.
  • AS can lead to bone resorption, formation, and ankylosis.
  • The genetic underpinnings of AS remain incompletely understood.

Purpose of the Study:

  • To identify differentially expressed genes (DEGs) in AS patients compared to healthy controls.
  • To map identified DEGs onto a protein-protein interaction network.
  • To explore the functional roles of these genes in AS pathogenesis.

Main Methods:

  • Differential gene expression analysis was performed on AS samples.
  • A protein-protein interaction network was constructed using identified DEGs.
  • Module identification was conducted using the MCODE algorithm.

Main Results:

  • Several DEGs were identified in AS samples.
  • Six functional modules were detected within the protein-protein interaction network.
  • These modules highlight potential roles in inflammation and bone/cartilage pathology.

Conclusions:

  • The identified DEGs and network modules offer insights into AS pathogenesis.
  • Findings suggest involvement in both inflammatory processes and skeletal effects.
  • This research provides a foundation for future studies on AS.