miRNA meets plasma cells "How tiny RNAs control antibody responses"
Julia Meinzinger1, Hans-Martin Jäck1, Katharina Pracht1
1Division of Molecular Immunology, Internal Medicine III, Nikolaus-Fiebiger-Center of MolecularMedicine, University Hospital Erlangen, Erlangen, Germany.
Clinical Immunology (Orlando, Fla.)
|July 25, 2017
Summary
MicroRNAs are crucial for germinal center B cell development and plasma cell differentiation. This review highlights their role in B cell biology and associated plasma cell disorders.
Area of Science:
- Immunology
- Molecular Biology
- Genetics
Background:
- Germinal center B cells are essential for adaptive immunity and antibody production.
- Plasma cells are terminally differentiated B cells responsible for secreting antibodies.
- MicroRNAs (miRNAs) are small non-coding RNAs regulating gene expression post-transcriptionally.
Purpose of the Study:
- To review the critical roles of microRNAs in germinal center B cell generation.
- To discuss microRNA involvement in B cell differentiation into antibody-secreting plasma cells.
- To briefly elucidate the function of microRNAs in plasma cell disorders.
Main Methods:
- Literature review of existing research on microRNAs and B cell development.
- Analysis of studies detailing microRNA regulation in germinal center reactions.
- Examination of data linking microRNAs to plasma cell differentiation and pathology.
Main Results:
- MicroRNAs are indispensable regulators of germinal center B cell formation and maturation.
- Specific microRNAs orchestrate key events in the differentiation pathway towards antibody-secreting plasma cells.
- Dysregulation of microRNAs is implicated in the pathogenesis of certain plasma cell disorders.
Conclusions:
- MicroRNAs play a fundamental role in normal B cell immunity and antibody production.
- Understanding microRNA function offers insights into B cell development and plasma cell disorders.
- Targeting microRNAs may present novel therapeutic strategies for plasma cell-related diseases.
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