Thymic selection The most distinctive property of the mature T cells is that they recognize only foreign antigen combined with self-MHC molecules.

TLS Online TPP Program

#Id: 9682

#Unit 4. Cell Communication and Cell Signaling

PTEN can remove phosphate groups attached to serine,

threonine, and tyrosine residues in proteins, its ability to

remove the 3-phosphate from PI(3,4,5)P3 is its major function in cells.

TLS Online TPP Program

#Id: 9683

#Unit 4. Cell Communication and Cell Signaling

Loss of the PTEN protein contributes to the uncontrolled growth of cells.

TLS Online TPP Program

#Id: 9684

#Unit 4. Cell Communication and Cell Signaling

Insulin receptor leads to the activation of PKB

TLS Online TPP Program

#Id: 9685

#Unit 4. Cell Communication and Cell Signaling

Main action of the PKB signaling pathway

An increase in uptake of glucose from the blood within minutes.

TLS Online TPP Program

#Id: 9686

#Unit 4. Cell Communication and Cell Signaling

Fat and muscle cells express large amounts of the insulin-responsive glucose transporter GLUT4

TLS Online TPP Program

#Id: 9687

#Unit 4. Cell Communication and Cell Signaling

In resting cells, the majority of the GLUT4 protein is

localized to specialized GLUT4 storage vesicles (GSVs)