Combination of ligand and structure based virtual screening approaches for the discovery of potential PARP1...

Area of Science:

• Biochemistry
• Medicinal Chemistry
• Oncology

Background:

• Poly (ADP-ribose) polymerase 1 (PARP1) is a key therapeutic target in oncology, particularly for ovarian and BRCA-mutated breast cancers, due to its upregulation in these malignancies.
• Existing PARP inhibitors (PARPi) face challenges in clinical application, including limited selectivity, weak binding affinity, and adverse side effects, necessitating the search for novel therapeutic agents.

Purpose of the Study:

• To identify novel, drug-like chemical compounds with antineoplastic activity that can serve as alternatives to existing PARP inhibitors (PARPi).
• To explore new chemical scaffolds, binding modes, and interaction patterns for potential PARP1 inhibitors.

Main Methods:

• Employed a combination of ligand-based and structure-based virtual screening approaches.
• Focused on identifying compounds with potential to interact with amino acid residues in the active site of PARP1.

Main Results:

• Successfully identified novel potential PARP1 inhibitors through the applied virtual screening strategies.
• The identified compounds represent promising candidates for further drug development.

Conclusions:

• The study highlights the potential of virtual screening in discovering novel PARP1 inhibitors.
• These findings contribute to the development of new antineoplastic agents for cancer therapy, offering alternatives to current PARPi.