Bioinformatics Methods for Transcriptome Analysis on Teratogenesis Testing

Thayne Woycinck Kowalski1,2,3,4,5,6, Giovanna Câmara Giudicelli1,5, Julia do Amaral Gomes1,4

  • 1Post-Graduation Program in Genetics and Molecular Biology, Genetics Department, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.

Insights

This study presents a bioinformatics pipeline to analyze teratogenesis testing data from gene expression studies. The tool simplifies complex transcriptome analysis for researchers, aiding in the interpretation of potential teratogen impacts.

Area of Science:

  • Developmental toxicology
  • Bioinformatics
  • Genomics

Background:

  • Teratogenesis testing faces challenges with current in vitro and in vivo models.
  • Human embryonic cell-based test systems combined with omics strategies, like transcriptomics, offer solutions.
  • Analyzing gene expression data from microarray and RNA-seq requires significant computational and bioinformatics expertise.

Purpose of the Study:

  • To present a bioinformatics pipeline for processing microarray and RNA-seq data.
  • To assist researchers in interpreting transcriptome results, including differential gene expression and enrichment analysis.
  • To address specific challenges in teratogenesis research, such as time-course analysis.

Main Methods:

  • Development of a computational pipeline for transcriptomic data processing.
  • Integration of microarray and RNA-seq data analysis.
  • Inclusion of statistical interpretation and visualization methods.
  • Discussion of programming codes and user-friendly tools for accessibility.

Main Results:

  • The pipeline facilitates the interpretation of key transcriptome analysis outputs.
  • It provides methods to overcome common difficulties in transcriptomic data processing.
  • Demonstrates application in teratogenesis studies, including time-course analysis.

Conclusions:

  • The presented pipeline democratizes transcriptome analysis for teratogenesis research.
  • It empowers researchers across various fields to interpret gene expression data effectively.
  • The tool aids in understanding the impact of potential teratogens on embryonic development.