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- Title
Leukocyte Counts and T-Cell Frequencies Differ Between Novel Subgroups of Diabetes and Are Associated With Metabolic Parameters and Biomarkers of Inflammation.
- Authors
Ratter-Rieck, Jacqueline M.; Maalmi, Haifa; Trenkamp, Sandra; Zaharia, Oana-Patricia; Rathmann, Wolfgang; Schloot, Nanette C.; Straßburger, Klaus; Szendroedi, Julia; Herder, Christian; Roden, Michael; Al-Hasani, H.; Burkart, V.; Buyken, A.E.; Geerling, G.; Herder, C.; Icks, A.; Jandeleit-Dahm, K.; Kotzka, J.; Kuss, O.; Lammert, E.
- Abstract
Frequencies of circulating immune cells are altered in those with type 1 and type 2 diabetes compared with healthy individuals and are associated with insulin sensitivity, glycemic control, and lipid levels. This study aimed to determine whether specific immune cell types are associated with novel diabetes subgroups. We analyzed automated white blood cell counts (n = 669) and flow cytometric data (n = 201) of participants in the German Diabetes Study with recent-onset (<1 year) diabetes, who were allocated to five subgroups based on data-driven analysis of clinical variables. Leukocyte numbers were highest in severe insulin-resistant diabetes (SIRD) and mild obesity-related diabetes (MOD) and lowest in severe autoimmune diabetes (SAID). CD4+ T-cell frequencies were higher in SIRD versus SAID, MOD, and mild age-related diabetes (MARD), and frequencies of CCR4+ regulatory T cells were higher in SIRD versus SAID and MOD and in MARD versus SAID. Pairwise differences between subgroups were partially explained by differences in clustering variables. Frequencies of CD4+ T cells were positively associated with age, BMI, HOMA2 estimate of β-cell function (HOMA2-B), and HOMA2 estimate of insulin resistance (HOMA2-IR), and frequencies of CCR4+ regulatory T cells with age, HOMA2-B, and HOMA2-IR. In conclusion, different leukocyte profiles exist between novel diabetes subgroups and suggest distinct inflammatory processes in these diabetes subgroups.
- Subjects
TYPE 2 diabetes; REGULATORY T cells; GLYCEMIC control; T cells; LEUKOCYTE count; TYPE 1 diabetes; RESEARCH; INFLAMMATION; KILLER cells; EVALUATION research; COMPARATIVE studies; CELLULAR immunity
- Publication
Diabetes, 2021, Vol 70, Issue 11, p2652
- ISSN
0012-1797
- Publication type
journal article
- DOI
10.2337/db21-0364