Cited by 100Nicotinic Acetylcholine Receptors StudyT-cell and B-cell ImmunologyVagus Nerve Stimulation Research

The role of nicotinic receptors in B-lymphocyte development and activation

Skok, M.V., Grailhe, R., Agenes, F., Changeux, J.-P.·2007·Life Sciences

Abstract

We studied the binding of [(3)H]-epibatidine and [(125)I-]alpha-bungarotoxin, as well as subunit-specific antibodies with purified B lymphocytes of C57Bl/6J mice and found that these cells contained 12,200+/-3200 of alpha4(alpha5)beta2 and 3130+/-750 of alpha7(alpha5beta4) nicotinic acetylcholine receptors per cell. According to flow cytometry data, the highest expression of alpha4(alpha5)beta2 receptors was observed in immature newly generated B lymphocytes of the bone marrow, while the number of alpha7(alpha5beta4) receptors grew up along with the B cell maturation in the spleen. By using alpha4, beta2 or alpha7 knockout and chimera mice, it was shown that both receptor subtypes supported the survival of B cell precursors and increased the size of B-lymphocyte population in the bone marrow. In contrast, propagation of mature B lymphocytes in the spleen was controlled by alpha7-containing subtype only. Moreover, mature B lymphocytes became sensitive to nicotine only in the absence of beta2-containing receptors. Knockout mice had less serum IgG, IgG-producing cells and natural IgG antibodies than their wild-type counterparts, while the absence of beta2-containing receptors resulted in increased B-lymphocyte activation and antibody immune response. The data obtained indicate that nicotinic receptors are involved in regulating B-lymphocyte development and activation, possibly, by affecting expression and/or signaling of CD40, the two subtypes playing different roles.

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Crossref · 10.1016/j.lfs.2007.02.005

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Authors
Skok, M. V., Grailhe, R., Agenes, F., & Changeux, J.-P.
Affiliations
  • Palladin Institute of Biochemistry (UA)
  • Institut Pasteur Korea (KR)
  • Institut Pasteur (FR)
Corresponding author
Skok, M.V.
Venue
Life Sciences
Publisher
Elsevier BV
Published
2007-05
Volume
80
Issue
24-25
Pages
2334-2336
ISSN
0024-3205 (ISSN-L)
OpenAlex
W2049866461
Cited by
100
References
17
Citations by year
2026: 2 · 2025: 7 · 2024: 2 · 2023: 3 · 2022: 6 · 2021: 8 · 2020: 4 · 2019: 6 · 2018: 4 · 2017: 6 · 2016: 9 · 2015: 3 · 2014: 4 · 2013: 3 · 2012: 6
FWCI
2.92
Type
journal article
Language
en
Open access
closed
Locations
  • Life Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Neuroscience › Neurology › Vagus Nerve Stimulation Research
Keywords
nicotinic acetylcholine receptors, B cell development, B cell activation, alpha7 nicotinic acetylcholine receptor, nicotine, knockout mice, chimeric mice, B cell precursors, B cell maturation, antibody response, CD40 signaling, epibatidine binding, alpha-bungarotoxin binding
MeSH terms
Animals, Antibodies, B-Lymphocytes, Binding, Competitive, Lymphocyte Activation, Receptors, Nicotinic, Protein Subunits, Mice

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