Molecular Classification
Enzyme
Disease Roles
Cancer

Asparagine Synthetase Overview

Asparagine synthetase (ASNS) is an enzyme that catalyzes the ATP-dependent conversion of aspartate and glutamine into asparagine and glutamate. This reaction is essential for cellular nitrogen metabolism and protein biosynthesis. ASNS overexpression promotes proliferation, chemoresistance, and metastasis in some cancers. Tumors with low ASNS expression are more sensitive to L-asparaginase. Inhibition can be achieved through substrate depletion.

Mechanism of Action

Substrate depletion (Aspartate or Glutamine)

Biological Functions

Nitrogen metabolism
Cell growth
Cell proliferation
Protein biosynthesis

Disease Associations

Cancer

Safety Considerations

  • Chemoresistance
  • Activation of GCN2 kinase pathway
  • Unfolded protein response
  • Amino acid starvation

Interacting Drugs

L-asparaginase

Associated Biomarkers

Biomarker
ASNS expression level