High-Throughput Screening and Molecular Dynamics Simulation of Natural Products for the Identification of Anticancer

Xin Zhang1, Hui Chen1, Hui Lin1

  • 1Breast Surgery Department, Affiliated Fuzhou First Hospital of Fujian Medical University, Fuzhou 350009, China.

Insights

Researchers identified novel small molecules targeting the MCM7 protein, crucial for DNA replication and cancer cell proliferation. Compounds NPA000111 and NPA014826 show high potency, offering potential new treatments for various cancers.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • Minichromosome maintenance complex component 7 (MCM7) is essential for eukaryotic DNA replication initiation.
  • Overexpression of MCM7 drives cellular proliferation and is implicated in numerous cancers.
  • Targeting MCM7 offers a potential strategy for cancer therapy, but effective small molecules are lacking.

Purpose of the Study:

  • To identify novel small molecular inhibitors targeting the MCM7 protein.
  • To develop potential therapeutic agents against MCM7-driven cancers.

Main Methods:

  • Structure-assisted drug design and high-throughput virtual screening of the NPASS library (29,000 compounds).
  • Molecular docking and molecular dynamics (MD) simulations (50 ns) to assess compound stability and binding.
  • Pharmacological, physiological, and ADMET criteria were applied for compound selection.

Main Results:

  • Four lead compounds (NPA000018, NPA000111, NPA00305, NPA014826) were identified.
  • Compounds NPA000111 and NPA014826 demonstrated high potency against the MCM7 protein.
  • MD simulations confirmed the stability and dynamic behavior of the selected compounds.

Conclusions:

  • Novel compounds targeting MCM7 have been successfully designed and screened.
  • NPA000111 and NPA014826 represent promising candidates for treating MCM7-related cancers.
  • Further experimental validation is recommended to confirm therapeutic efficacy.

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