Metabolic and immunological phenotype of rare lipomatoses: Dercum's disease and Roch-Leri mesosomatic lipomatosis. - Université de Lille Accéder directement au contenu
Article Dans Une Revue Orphanet Journal of Rare Diseases Année : 2021

Metabolic and immunological phenotype of rare lipomatoses: Dercum's disease and Roch-Leri mesosomatic lipomatosis.

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Context Dercum’s disease (DD) and Roch-Leri mesosomatic lipomatosis (LMS) are rare and poorly characterized diseases. The clinical presentation combines multiple lipomas, painful in DD in contrast with LMS, without lipoatrophy. Objective To identify any specific metabolic and immune phenotype of DD and LMS. Design and patients This monocentric retrospective study included 46 patients: 9 DD, 11 LMS, 18 lean and 8 obese controls. Metabolic and immunohematological characteristics of each group were compared. Results The median age of the patients was similar in the 3 groups (31 years). The number of women, and of basophils, and CD3+, CD4+ and CD8+ T lymphocytes was significantly higher in the DD versus the LMS group, without any difference of the metabolic parameters. Weight, BMI, blood pressure, gamma-GT, leptin, fasting insulin and C-peptide levels, fat mass percentage, and intra/total abdominal fat ratio were significantly higher in each lipomatosis group compared with the lean group. Compared with the lean group, the DD group had significantly higher fasting blood glucose, LDL-cholesterol, platelets, leukocytes, basophils, and a lower NK cell count, whereas the LMS group had a significantly lower rate of CD3, CD4, and CD8 lymphocytes. Compared with the obese controls, basophils remained higher in DD and T lymphocytes subpopulations lower in LMS groups. Conclusion DD and LMS show a common background of obesity and metabolic phenotype, but a distinct immunohematological profile characterized by a higher number of basophils in DD patients, an inflammatory profile that could contribute to pain. T lymphocyte depletion was present in LMS. These findings could offer specific therapeutic opportunities, especially for painful DD.
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hal-04482336 , version 1 (28-02-2024)

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Madleen Lemaitre, Benjamin Chevalier, Arnaud Jannin, Kristell Le Mapihan, Samuel Boury, et al.. Metabolic and immunological phenotype of rare lipomatoses: Dercum's disease and Roch-Leri mesosomatic lipomatosis.. Orphanet Journal of Rare Diseases, 2021, Orphanet Journal of Rare Diseases, 16, pp.290. ⟨10.1186/s13023-021-01920-3⟩. ⟨hal-04482336⟩

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