Signal binding to membrane receptor tyrosine kinases (RTKs) activates an enzyme called a kinase. Learn how kinases initiate a signaling cascade that relays information to the nucleus.

The nuclear factor (NF)-κB, inhibitor of NF-κB (IκB) and IκB kinase (IKK) pathway is activated in response to various stimuli in many cell types. NF-κB is activated by many mechanisms ...

This paper shows that targeting the downstream effects that ketamine causes in the brain can enhance the drug’s longevity, ...

Androgen deficiency is an important cause of erectile dysfunction (ED), and miRNAs are small-molecule RNAs with multiple biological functions. However, whether androgen deficiency affects erectile ...