Cited by 187T-cell and B-cell Immunologyvaccines and immunoinformatics approachesArtificial Immune Systems Applications

A bioinformatic framework for immune repertoire diversity profiling enables detection of immunological status

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Greiff, Victor, Bhat, Pooja, Cook, Skylar C., Menzel, Ulrike, Kang, Wenjing, Reddy, Sai T.·2015·Genome Medicine

Abstract

BACKGROUND: Lymphocyte receptor repertoires are continually shaped throughout the lifetime of an individual in response to environmental and pathogenic exposure. Thus, they may serve as a fingerprint of an individual's ongoing immunological status (e.g., healthy, infected, vaccinated), with far-reaching implications for immunodiagnostics applications. The advent of high-throughput immune repertoire sequencing now enables the interrogation of immune repertoire diversity in an unprecedented and quantitative manner. However, steadily increasing sequencing depth has revealed that immune repertoires vary greatly among individuals in their composition; correspondingly, it has been reported that there are few shared sequences indicative of immunological status ('public clones'). Disconcertingly, this means that the wealth of information gained from repertoire sequencing remains largely unused for determining the current status of immune responses, thereby hampering the implementation of immune-repertoire-based diagnostics. METHODS: Here, we introduce a bioinformatics repertoire-profiling framework that possesses the advantage of capturing the diversity and distribution of entire immune repertoires, as opposed to singular public clones. The framework relies on Hill-based diversity profiles composed of a continuum of single diversity indices, which enable the quantification of the extent of immunological information contained in immune repertoires. RESULTS: We coupled diversity profiles with unsupervised (hierarchical clustering) and supervised (support vector machine and feature selection) machine learning approaches in order to correlate patients' immunological statuses with their B- and T-cell repertoire data. We could predict with high accuracy (greater than or equal to 80 %) a wide range of immunological statuses such as healthy, transplantation recipient, and lymphoid cancer, suggesting as a proof of principle that diversity profiling can recover a large amount of immunodiagnostic fingerprints from immune repertoire data. Our framework is highly scalable as it easily allowed for the analysis of 1000 simulated immune repertoires; this exceeds the size of published immune repertoire datasets by one to two orders of magnitude. CONCLUSIONS: Our framework offers the possibility to advance immune-repertoire-based fingerprinting, which may in the future enable a systems immunogenomics approach for vaccine profiling and the accurate and early detection of disease and infection.

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  • Statistical classifiers can identify immune profiles of patients with chronic lymphocytic leukemia, multiple sclerosis or influenza from NGS data alone.

    “It was demonstrated that statistical classifiers can identify immune profiles of patients with chronic lymphocytic leukemia [220], multiple sclerosis [221] or influenza [222] from NGS data alone.”

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  1. [47]Evert S Baroni M zipfR: Word frequency distributions in R Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics, Posters and Demonstrations Sessions 2007 Prague, Czech Republic Association for Computational Linguistics 29 32

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Authors
Greiff, V., Bhat, P., Cook, S. C., Menzel, U., Kang, W., & Reddy, S. T.
Affiliations
ETH Zurich (CH)
Corresponding author
Reddy, Sai T.
Venue
Genome Medicine
Published
2015-05-28
Volume
7
Issue
1
Pages
49-49
ISSN
1756-994X (ISSN-L)
OpenAlex
W1483854882
Cited by
181
References
89
Citations by year
2026: 14 · 2025: 14 · 2024: 25 · 2023: 11 · 2022: 23 · 2021: 15 · 2020: 21 · 2019: 15 · 2018: 18 · 2017: 13 · 2016: 8 · 2015: 3
FWCI
7.07
Type
journal article
Language
en
Open access
Locations
  • Genome Medicine (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Repository for Publications and Research Data (ETH Zurich) (submittedVersion, cc-by)
  • ETH Zürich Research Collection (cc-by)
Funders
  • National Science Foundation
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
  • Eidgenössische Technische Hochschule Zürich
  • SystemsX.ch
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › vaccines and immunoinformatics approaches
  • Physical Sciences › Engineering › Biomedical Engineering › Artificial Immune Systems Applications
Keywords
immune repertoire diversity, immune status, immunodiagnosis, B cell receptor repertoire, T cell receptor repertoire, disease detection

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