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Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
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In silico discovery of novel transcription factors regulated by mTOR-pathway activities

Agnieszka Jablonska1, Natalia Polouliakh2

  • 1Faculty of Biotechnology and Food Sciences, Lodz University of Technology Lodz, Poland.

Frontiers in Cell and Developmental Biology
|November 4, 2014
PubMed

Insights

Researchers identified key transcription factors regulating the mammalian target of rapamycine (mTOR) pathway, crucial for cell growth and aging. These findings offer insights into the complex control mechanisms governing this vital biological pathway.

Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Genetics

Background:

  • The mammalian target of rapamycine (mTOR) pathway is a central regulator of cellular processes, including growth, metabolism, and aging.
  • Understanding the intricate control mechanisms of the mTOR pathway is critical for deciphering fundamental biological processes and disease development.

Purpose of the Study:

  • To identify transcription factors that regulate key activities within the mTOR pathway.
  • To classify these transcription factors based on their specificity to cellular processes or the entire pathway.

Main Methods:

  • Utilized a motif-discovery workbench comprising nine distinct computational tools.
  • Analyzed transcription factor involvement in five core mTOR pathway activities: Insulin, MAPK, VEGF, Hypoxia, and the mTOR core itself.

Main Results:

  • Identified a set of transcription factors implicated in the regulation of the mTOR pathway.
  • Classified identified transcription factors into 'process-specific' and 'pathway-ubiquitous' categories.
  • Highlighted the specific regulatory and regulated roles of these factors within the mTOR pathway.

Conclusions:

  • The study successfully identified and classified transcription factors governing the mTOR pathway.
  • These findings provide a foundational understanding of mTOR pathway regulation.
  • The results are expected to advance future research into the control mechanisms of the mTOR pathway.
Keywords:
bioinformatic tools and databasescell signalingmTOR pathwayorthologous genestranscription factors

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