ACP-MHCNN: an accurate multi-headed deep-convolutional neural network to predict anticancer peptides

Sajid Ahmed1, Rafsanjani Muhammod1, Zahid Hossain Khan1

  • 1Department of Computer Science and Engineering, United International University, Dhaka, Bangladesh.

Scientific Reports
|December 9, 2021
PubMed

Insights

A new deep learning model, ACP-MHCNN, accurately identifies anticancer peptides (ACPs) using sequence, physicochemical, and evolutionary features. This computational approach offers a faster, more specific alternative to traditional cancer therapies.

Area of Science:

  • Computational biology
  • Bioinformatics
  • Cancer research

Background:

  • Chemotherapy for deadly cancers has limitations including low specificity and significant side effects.
  • Anticancer peptides (ACPs) show promise as targeted cancer therapeutics with fewer adverse effects.
  • Experimental identification of ACPs is costly and time-consuming, necessitating efficient computational methods.

Purpose of the Study:

  • To develop a novel computational model for accurate Anticancer Peptide (ACP) identification.
  • To extract and integrate discriminative features from diverse data sources efficiently.
  • To provide a viable, cost-effective alternative to experimental ACP discovery.

Main Methods:

  • Proposed a multi-headed deep convolutional neural network (ACP-MHCNN) model.
  • Extracted sequence, physicochemical, and evolutionary features using numerical peptide representations.
  • Employed cross-validation and independent dataset testing for rigorous evaluation.

Main Results:

  • ACP-MHCNN demonstrated superior performance in ACP identification compared to existing models.
  • Achieved significant improvements in accuracy (6.3%), sensitivity (8.6%), specificity (3.7%), precision (4.0%), and MCC (0.20).
  • The model effectively integrates multi-source peptide information while managing parameter overhead.

Conclusions:

  • ACP-MHCNN offers a highly effective computational tool for identifying anticancer peptides.
  • The model's performance surpasses state-of-the-art methods, paving the way for accelerated ACP drug discovery.
  • Open-source code and an online predictor are available for broader research application.