HSM6AP

HSM6AP predicts N6-methyladenosine (m^6A) methylation sites in Homo sapiens using machine-learning methods to prioritize genomic positions for studies of RNA modification.


Key Features:

  • Multiple Weights and Feature Stitching: Applies sample weighting during training and stitches features to improve generalization from limited datasets.
  • Max-Relevance-Max-Distance (MRMD) Feature Selection: Uses Max-Relevance-Max-Distance (MRMD) to select informative and nonredundant features for m^6A site recognition.
  • Feature Matrix Fusion: Fuses single features into a comprehensive feature matrix to capture interactions and dependencies across sequence and genomic coordinate-derived features.
  • Extreme Gradient Boosting (XGBoost): Trains predictive models using Extreme Gradient Boosting (XGBoost), an ensemble tree-based algorithm, with parameter adjustments to enhance performance.

Scientific Applications:

  • m^6A Site Identification: Identifies putative N6-methyladenosine (m^6A) sites in Homo sapiens transcripts and genomic coordinates.
  • RNA Processing and Regulation Studies: Enables study of the impacts of m^6A on RNA transcription, metabolism, splicing, and stability.
  • Disease Association and Biomarker Discovery: Supports analyses linking m^6A modifications to diseases such as cancer and obesity and facilitates research on pathogenesis, diagnostics, and drug development.

Methodology:

Computational methods use sequence and genomic coordinate data, apply sample weighting, perform feature extraction with stitching and Max-Relevance-Max-Distance (MRMD) selection to build a fused feature matrix, and train models using Extreme Gradient Boosting (XGBoost) with parameter adjustments and evaluation on independent datasets.

Topics

Details

Programming Languages:
Python
Added:
3/19/2021
Last Updated:
11/24/2024

Operations

Publications

Li J, He S, Guo F, Zou Q. HSM6AP: a high-precision predictor for the Homo<i>sapiens</i>N6-methyladenosine (m^6 A) based on multiple weights and feature stitching. RNA Biology. 2021;18(11):1882-1892. doi:10.1080/15476286.2021.1875180. PMID:33446014. PMCID:PMC8583144.

PMID: 33446014
PMCID: PMC8583144
Funding: - National Natural Science Foundation of China: 61771331 - the National Key R&D Program of China: 2018YFC0910405

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