Expression patterns and therapeutic implications of CDK4 across multiple carcinomas: a molecular docking and MD

Hina Qayoom1, Umar Mehraj1, Shazia Sofi1

  • 1Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, J&K, 190006, India.

Insights

This study identifies novel CDK4 inhibitors with reduced toxicity compared to palbociclib, offering potential new cancer therapies. These compounds show promise for treating various cancers where CDK4 is overexpressed.

Area of Science:

  • Oncology
  • Pharmacology
  • Computational Biology

Background:

  • Cyclin-dependent kinases (CDKs) are crucial for cell cycle regulation.
  • CDK4 overexpression is implicated in numerous cancers, leading to FDA approval of palbociclib for breast cancer.
  • Palbociclib treatment is associated with significant toxicities like anemia and neutropenia.

Purpose of the Study:

  • To screen novel CDK4 inhibitors with improved safety and efficacy profiles compared to palbociclib.
  • To investigate the therapeutic potential of these inhibitors in various CDK4-overexpressing carcinomas.
  • To analyze CDK4 expression patterns and prognostic significance across multiple cancer types.

Main Methods:

  • In silico screening using Lipinski's rule and ADMET analysis.
  • Virtual screening via molecular docking and molecular dynamics (MD) simulation.
  • Analysis of CDK4 expression and prognostic value using UALCAN, cBioportal, and KM-Plotter databases.

Main Results:

  • Identification of two novel CDK4 inhibitors demonstrating favorable pharmacokinetic properties and binding affinity.
  • Virtual screening and MD simulations confirmed the potential efficacy and stability of the selected compounds.
  • CDK4 expression analysis revealed its significant role and prognostic implications in various carcinomas.

Conclusions:

  • The novel CDK4 inhibitors show promise as safer and potentially more effective therapeutic agents than palbociclib.
  • These findings support further preclinical and clinical development of these compounds for cancer treatment.
  • Targeting CDK4 remains a viable strategy for multiple cancer types, with potential for improved patient outcomes.

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