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Tytuł pozycji:

Pregnant type 1 diabetes women with rises in C-peptide display higher levels of regulatory T cells: A pilot study.

Tytuł :
Pregnant type 1 diabetes women with rises in C-peptide display higher levels of regulatory T cells: A pilot study.
Autorzy :
Amouyal, C.
Klatzmann, D.
Tibi, E.
Salem, J.-E.
Halbron, M.
Popelier, M.
Jacqueminet, S.
Ciangura, C.
Bourron, O.
Andreelli, F.
Hartemann, A.
Rosenzwajg, M.
Pokaż więcej
Temat :
REGULATORY T cells
TYPE 1 diabetes
CELL physiology
THIRD trimester of pregnancy
PILOT projects
T cell receptors
Źródło :
Diabetes & Metabolism; May2021, Vol. 47 Issue 3, pN.PAG-N.PAG, 1p
Czasopismo naukowe
During pregnancy of type 1 diabetes (T1D) women, a C peptide rise has been described, which mechanism is unclear. In T1D, a defect of regulatory T cells (Tregs) and its major controlling cytokine, interleukin-2 (IL2), is observed. Evolution of clinical, immunological (Treg (CD4+CD25hiCD127-/loFoxp3+ measured by flow cytometry and IL2 measured by luminex xMAP technology) and diabetes parameters (insulin dose per day, HbA1C, glycaemia, C peptide) was evaluated in 13 T1D women during the three trimesters of pregnancy and post-partum (PP, within 6 months) in a monocentric pilot study. Immunological parameters were compared with those of a healthy pregnant cohort (QuTe). An improvement of beta cell function (C peptide rise and/or a decrease of insulin dose-adjusted A1c index that estimate individual exogenous insulin need) was observed in seven women (group 1) whereas the six others (group 2) did not display any positive response to pregnancy. A higher level of Tregs and IL2 was observed in group 1 compared to group 2 during pregnancy and at PP for Tregs level. However, compared to the healthy cohort, T1D women displayed a Treg deficiency This pilot study highlights that higher level of Tregs and IL2 seem to allow improvement of endogenous insulin secretion of T1D women during pregnancy. [ABSTRACT FROM AUTHOR]
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