Abstract
Objective:
The aim of our study was to determine, how severe calorie restriction in anorexia nervosa (AN) may influence regulatory T (Treg) cells and their cellular networks, that is, their main inducers (dendritic cells (DC) and monocytes) and their target cells, CD4+ lymphocytes.
Design:
We measured the prevalence of Tregs, myeloid and plasmocytoid DC. The prevalence of tumor necrosis factor-α (TNF-α) and interleukin (IL)-12-positive monocytes, IL-2, IL-4 and interferon (IFN)-γ positive CD4+ cells was determined by intracellular staining after activation.
Setting and subjects:
In total, 21 AN patients and 19 healthy age-matched controls (body mass index values, median (range): 14.9 (11.1–17.4) vs 23.2 (19.5–27.4) kg/m2) have been recruited.
Results:
Prevalence of Tregs, DCs, TNF-α and IL-12-positive monocytes, IL-4 and IFN-γ-producing CD4+ cells were similar in AN and controls. The prevalence of IL-2-positive CD4+ cells was somewhat lower in AN (% value, median (range): 12.05 (7.50–16.70) vs 14.40 (12.00–22.00), P<0.05). None of these parameters correlated with the patients' clinical characteristics.
Conclusions:
Our results suggest that the antigen presenting cell – regulatory T cell – CD4+ lymphocyte axis is not affected by calorie and nutritional deficiency.
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Acknowledgements
This study was supported by grants OTKA T046086, NKFP 1A/002/2004 and GVOP 3.1.1-2004/300. BV and AT are recipients of Bolyai Stipend.
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Pászthy, B., Švec, P., Vásárhelyi, B. et al. Investigation of regulatory T cells in anorexia nervosa. Eur J Clin Nutr 61, 1245–1249 (2007). https://doi.org/10.1038/sj.ejcn.1602651
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DOI: https://doi.org/10.1038/sj.ejcn.1602651
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