Cited by 34T-cell and B-cell ImmunologyArtificial Immune Systems ApplicationsImmune Response and Inflammation

Anergy in self-directed B lymphocytes: A statistical mechanics perspective

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Agliari, Elena, Barra, Adriano, Del Ferraro, Gino, Guerra, Francesco, Tantari, Daniele·2015·Journal of Theoretical Biology

Abstract

Self-directed lymphocytes may evade clonal deletion at ontogenesis but still remain harmless due to a mechanism called clonal anergy. For B-lymphocytes, two major explanations for anergy developed over the last decades: according to Varela theory, anergy stems from a proper orchestration of the whole B-repertoire, such that self-reactive clones, due to intensive feed-back from other clones, display strong inertia when mounting a response. Conversely, according to the model of cognate response, self-reacting cells are not stimulated by helper lymphocytes and the absence of such signaling yields anergy. Through statistical mechanics we show that helpers do not prompt activation of a sub-group of B-cells: remarkably, the latter are just those broadly interacting in the idiotypic network. Hence Varela theory can finally be reabsorbed into the prevailing framework of the cognate response model. Further, we show how the B-repertoire architecture may emerge, where highly connected clones are self-directed as a natural consequence of ontogenetic learning.

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Crossref · 10.1016/j.jtbi.2014.05.006

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  • The basic McCulloch-Pitts design is common to many other living systems, including gene regulatory networks, immune networks, collective intelligence or some aneural systems, such as quorum-sensing decisions in microbial communities.

    “Interestingly, the basic McCulloch–Pitts design is common to many other living systems, including gene regulatory networks [256–259], immune networks [260–262], collective intelligence [263–267] or some aneural systems, such as quorum-sensing decisions in microbial communities, where an explicit equivalence has been defined [268].”

    From Fundamental constraints to the logic of living systems (2024) · cites this paper as [262]

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Authors
Agliari, E., Barra, A., Del Ferraro, G., Guerra, F., & Tantari, D.
Affiliations
Sapienza University of Rome (IT)
Venue
Journal of Theoretical Biology
Publisher
Elsevier BV
Published
2015-06
Volume
375
Pages
21-31
ISSN
0022-5193 (ISSN-L)
OpenAlex
W2037431582
Cited by
34
References
91
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2021: 1 · 2020: 1 · 2019: 4 · 2018: 5 · 2017: 6 · 2016: 6 · 2015: 3 · 2014: 4
FWCI
2.89
Type
journal article
Language
en
Open access
Locations
  • Journal of Theoretical Biology (publishedVersion)
  • PubMed (publishedVersion)
  • KTH Publication Database DiVA (KTH Royal Institute of Technology) (submittedVersion, other-oa)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
  • Florence Research (University of Florence) (submittedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
  • AIRUS (submittedVersion)
  • Scuola Normale Superiore di Pisa (submittedVersion, other-oa)
Funders
  • FIRB (RBFR08EKEV)
  • Netadis Project (290038)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Physical Sciences › Engineering › Biomedical Engineering › Artificial Immune Systems Applications
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
anergy, B cells, clonal deletion, idiotypic network, T helper cells, network connectivity
MeSH terms
Algorithms, Epitopes, B-Lymphocytes, Computer Simulation, Enzyme-Linked Immunosorbent Assay, Humans, Immune System, Immune Tolerance, Models, Biological, Stochastic Processes, T-Lymphocytes, Models, Statistical, Clonal Anergy

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