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How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges
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MiRAGDB: A Knowledgebase of RAG Regulators.

Sagar Sanjiv Desai1,2, Saurabh Whadgar1, Sathees C Raghavan3

  • 1Department of Biotechnology and Bioinformatics, Institute of Bioinformatics and Applied Biotechnology, Bangalore, India.

Frontiers in Immunology
|April 11, 2022
PubMed
Summary

This study identifies microRNAs (miRNAs) regulating RAG1 and RAG2 gene expression, crucial for immune system development and implicated in cancers like leukemia and lymphoma. The findings aid understanding of gene regulation in normal development and disease.

Keywords:
CLLRAG1RAG2T-ALLdatabasemiRNAregulationtranscriptome

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Area of Science:

  • Immunology
  • Molecular Biology
  • Bioinformatics

Background:

  • Recombination-activating genes (RAG1 and RAG2) are essential for V(D)J recombination, generating immune receptor diversity.
  • RAG expression is critical during lymphocyte development but aberrant expression is linked to genomic instability in cancers.
  • MicroRNAs (miRNAs) are key post-transcriptional regulators of gene expression, including genes involved in immune processes.

Purpose of the Study:

  • To identify and catalog miRNA-mediated regulation of RAG1 and RAG2 during normal immune cell development.
  • To investigate miRNA regulation of RAG genes in the context of blood cancers.
  • To develop a comprehensive database (miRAGDB) for exploring RAG-miRNA interactions.

Main Methods:

  • Next-generation sequencing (NGS) data analysis of miRNA and mRNA expression profiles.
  • Analysis of samples from normal B-cell and T-cell developmental stages.
  • Analysis of blood cancer patient samples.

Main Results:

  • Cataloged 1,173 human and 749 mouse miRNAs targeting RAG1.
  • Organized miRNA and mRNA expression data for RAG regulators and interacting partners.
  • Developed miRAGDB, a publicly accessible database for visualizing RAG regulator expression.

Conclusions:

  • miRNAs play a significant role in the post-transcriptional regulation of RAG genes during normal development and in cancer.
  • The miRAGDB database provides a valuable resource for researchers studying RAG gene regulation and its implications in immunity and disease.
  • Understanding these regulatory networks can inform therapeutic strategies for lymphoid malignancies.