Hit identification of SMYD3 enzyme inhibitors using structure-based pharmacophore modeling

Soraya M Alnabulsi1, Nizar A Al-Shar'i1

  • 1Department of Medicinal Chemistry & Pharmacognosy, Faculty of Pharmacy, Jordan University of Science & Technology, PO Box 3030, Irbid 22110, Jordan.

Insights

Researchers identified a novel small molecule inhibitor scaffold for the SMYD3 enzyme, which is overexpressed in various cancers. This discovery offers a potential new therapeutic strategy for Kras-driven cancers, including pancreatic and lung adenocarcinoma.

Area of Science:

  • Oncology
  • Biochemistry
  • Drug Discovery

Background:

  • SMYD3 enzyme is overexpressed in multiple cancer types.
  • SMYD3 facilitates methylation of MAP3K2, promoting Kras-driven cancers like pancreatic and lung adenocarcinoma.

Purpose of the Study:

  • To identify novel small molecule inhibitors targeting the SMYD3 enzyme.
  • To explore therapeutic strategies against SMYD3-driven cancers.

Main Methods:

  • Generated a hybrid 3D structure-based pharmacophore model of SMYD3.
  • Performed virtual screening of the Maybridge database against the pharmacophore model.
  • Utilized CDOCKER docking algorithms for hit validation and selection.
  • Evaluated the inhibitory activity of top-ranked small molecule hits.

Main Results:

  • Identified a novel small molecule inhibitor scaffold for SMYD3.
  • The screening and docking approach successfully pinpointed potential SMYD3 inhibitors.

Conclusions:

  • The identified SMYD3 inhibitor scaffold shows promise for developing new cancer therapeutics.
  • This study provides a foundation for further drug development targeting SMYD3 in oncology.

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