Tag Archive for Molecular Pathways

How Do Cancer Drugs Block Pathways?

Share

by Richard Saltus   

Cells are like young children – they need a lot of guidance on how to behave. Your body’s cells are constantly getting that help – in the form of hormones, growth factors, and other chemicals telling them when to rest, grow, duplicate their DNA, divide, or even self-destruct.

These commands are relayed from the cell’s surface to its nucleus by molecular pathways, also called signaling pathways, which are a series of interacting proteins that relay cellular messages, much as cell phone towers relay phone calls. When the commands reach the cell nucleus, they activate or turn off genes to determine how the cell responds.

Read more