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Updated: Jun 12, 2026

T and B Cell Receptor Immune Repertoire Analysis using Next-generation Sequencing

T and B Cell Receptor Immune Repertoire Analysis using Next-generation Sequencing

Published on: January 12, 2021

B cell repertoire and ageing.

Deborah K Dunn-Walters¹, Alexander A Ademokun

¹Department of Immunobiology, King's College London School of Medicine, Guy's Campus, London SE1 9RT, UK. Deborah.dunn-walters@kcl.ac.uk

Current Opinion in Immunology

|June 12, 2010

Summary

This summary is machine-generated.

A diverse B cell repertoire is crucial for immunity, aiding antibody production and immune regulation. Age-related diversity loss in B cells is linked to poor health, but subset-specific changes remain unclear.

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Area of Science:

Immunology
Cell Biology

Background:

A diverse B cell repertoire is vital for mounting effective immune responses against various pathogens.
B cells function not only in antibody production but also as regulators of the immune system, including antigen presentation and activation.
Emerging evidence suggests certain B cell subpopulations possess immune-suppressive functions.

Purpose of the Study:

To investigate the impact of aging on B cell repertoire diversity.
To explore whether diminished B cell diversity with age affects all subsets uniformly or specific subpopulations.
To understand the functional implications of age-associated changes in B cell diversity on immune health.

Main Methods:

Analysis of B cell repertoire diversity across different age groups.
Subpopulation analysis to differentiate diversity changes in distinct B cell subsets.
Correlation studies between B cell diversity and markers of immune health.

Main Results:

B cell repertoire diversity significantly decreases with advancing age.
This age-related decline in diversity is associated with compromised immune function and increased susceptibility to illness.
Preliminary data suggest that specific B cell subsets may experience more pronounced diversity loss than others.

Conclusions:

Reduced B cell diversity is a hallmark of aging and is linked to poorer health outcomes.
Further research is needed to elucidate the specific repertoire changes within different B cell subsets.
Understanding these subset-specific alterations is critical for developing targeted immunotherapies for age-related diseases.