Cited by 52Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismCardiovascular Disease and Adiposity

Weight-dependent changes of immune system in adipose tissue: Importance of leptin

Caspar-Bauguil, S., Cousin, B., André, M., Nibbelink, M., Galinier, A., Periquet, B., Casteilla, L., Pénicaud, L.·2006·Experimental Cell Research

Abstract

Ancestral lymphoid cells reside in adipose tissues, and their numbers are highly altered in obesity. Leptin, production of which is correlated to fat mass, is strongly involved in the relationships between adipose tissues and immune system. We investigated in epididymal (EPI) and inguinal (ING) fat pads to determine whether 1) lymphocyte phenotypes were correlated to the tissue weight and 2) leptin was involved in such relationships. Immunohistological analyses revealed a tight relationship between the T and NK lymphocytes of the stromal vascular fraction and adipocytes. We identified a significant negative and positive correlation between EPI weight and the percentage of NK and total T cells respectively by cytofluorometric analyses. The NK and ancestral gammadelta T cell contents were directly dependent of leptin since they increased significantly in high-fat (HF) diet mice but not in leptin-deficient (ob/ob) mice as compared to control. By contrast, the alphabeta T cell content seemed independent of leptin because their percentages increased significantly with the EPI weight whatever the type of mice (control, HF, ob/ob). The present study suggests that adipose tissues present, according to their localization, different immunological mechanisms that might be involved in the regulation of adipose cells functions and proliferations.

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Crossref · 10.1016/j.yexcr.2006.03.023

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Authors
Caspar-Bauguil, S., Cousin, B., André, M., Nibbelink, M., Galinier, A., Periquet, B., Casteilla, L., & Pénicaud, L.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Pénicaud, L.
Venue
Experimental Cell Research
Publisher
Elsevier BV
Published
2006-07
Volume
312
Issue
12
Pages
2195-2202
ISSN
0014-4827 (ISSN-L)
OpenAlex
W2094434774
Cited by
52
References
36
Citations by year
2023: 1 · 2022: 2 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 2 · 2014: 4 · 2013: 4 · 2012: 5
FWCI
3.66
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Cell Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Disease and Adiposity
Keywords
adipose tissue, leptin, obesity, natural killer cells, T cells, γδ T cells, alpha beta T cells, stromal vascular fraction, epididymal adipose tissue, inguinal fat, high-fat diet, ob/ob mice, adipose tissue weight
MeSH terms
Adipose Tissue, Animals, Epididymis, Flow Cytometry, Immunohistochemistry, Killer Cells, Natural, Lymphocytes, Male, Mice, Inbred C57BL, T-Lymphocytes, T-Lymphocyte Subsets, CD3 Complex, Mice, Knockout, Leptin, Integrin alpha2, Adiposity, Mice, Receptors, Leptin

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