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Links from BioSystems

Items: 5

1.

Leukocyte transendothelial migration

Leukocyte migaration from the blood into tissues is vital for immune surveillance and inflammation. During this diapedesis of leukocytes, the leukocytes bind to endothelial cell adhesion molecules (CAM) and then migrate across the vascular endothelium. A leukocyte adherent to CAMs...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
2.

T cell receptor signaling pathway

Activation of T lymphocytes is a key event for an efficient response of the immune system. It requires the involvement of the T-cell receptor (TCR) as well as costimulatory molecules such as CD28. Engagement of these receptors through the interaction with a foreign antigen associated...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
3.

Complement and coagulation cascades

The complement system is a proteolytic cascade in blood plasma and a mediator of innate immunity, a nonspecific defense mechanism against pathogens. There are three pathways of complement activation: the classical pathway, the lectin pathway, and the alternative pathway. All of these...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
4.

Tight junction

Tight junctions (TJs) are essential for establishing a selectively permeable barrier to diffusion through the paracellular space between neighboring cells. TJs are composed of at least three types of transmembrane protein -occludin, claudin and junctional adhesion molecules (JAMs)-...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens
5.

Adherens junction

Cell-cell adherens junctions (AJs), the most common type of intercellular adhesions, are important for maintaining tissue architecture and cell polarity and can limit cell movement and proliferation. At AJs, E-cadherin serves as an essential cell adhesion molecules (CAMs). The cytoplasmic...

Type
:
pathway
Taxonomic scope
:
organism-specific biosystem
Organism
:
Homo sapiens

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