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Fetuin-A mediates the difference in adipose tissue insulin resistance between young adult pakistani and norwegian patients with type 2 diabetes.
In: BMC Endocrine Disorders, Jg. 22 (2022-08-17), Heft 1, S. 1-10
Online
academicJournal
Zugriff:
Background: South-Asian immigrants to Western countries have a high prevalence of type 2 diabetes mellitus (T2DM) and increased adipose tissue insulin resistance (AT-IR), as compared to their Western counterparts. Fetuin-A is a hepatokine known to influence AT-IR. Aim: Can plasma fetuin-A concentrations explain an ethnic difference in adipose tissue insulin resistance? Methods: We performed a two-step euglycemic-hyperinsulinaemic clamp and measured plasma concentrations of fetuin-A and non-esterified fatty acids (NEFA), in 18 Pakistani and 21 Norwegians with T2DM (age 29–45y) in Norway. AT-IR was calculated as NEFA-suppression during the clamp. The adipokines/cytokines leptin, adiponectin, visfatin, PTX3, IL-1β, INF-γ, and IL-4 were measured in fasting plasma. Liver fat was estimated by CT-scans. Results: Despite a lower BMI, Pakistani patients displayed higher AT-IR than Norwegians. NEFA-suppression during clamp was lower in Pakistani than Norwegians (mean=-20.6%, 95%CI=[-40.8, -0.01] and p = 0.046). Plasma fetuin-A concentration was higher in Pakistani than Norwegians (43.4 ng/mL[12.7,74.0], p = 0.007) and correlated negatively to %NEFA-suppression during clamp (rho=-0.39, p = 0.039). Plasma fetuin-A concentration explained 22% of the ethnic difference in NEFA-suppression during the clamp. Pakistani patients exhibited higher plasma leptin and lower PTX3 levels than Norwegian, and plasma visfatin correlated positively to plasma fetuin-A levels in the Pakistani patients. We observed no correlation between plasma fetuin-A and liver fat, but fetuin-A correlated negatively with plasma IL-1β, INF-γ, and IL-4 concentrations. Plasma IL-4 concentration was lower in Pakistani than in Norwegian patients. Conclusion: Fetuin-A may contribute to explain the discrepancy in T2DM prevalence between Pakistani and Norwegians patients by influencing AT-IR. [ABSTRACT FROM AUTHOR]
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Fetuin-A mediates the difference in adipose tissue insulin resistance between young adult pakistani and norwegian patients with type 2 diabetes.
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Autor/in / Beteiligte Person: | Lee-Ødegård, Sindre ; Ueland, Thor ; Thorsby, Per M. ; Aukrust, Pål ; Michelsen, Annika E. ; Halvorsen, Bente ; Drevon, Christian A. ; Birkeland, Kåre I. |
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Zeitschrift: | BMC Endocrine Disorders, Jg. 22 (2022-08-17), Heft 1, S. 1-10 |
Veröffentlichung: | 2022 |
Medientyp: | academicJournal |
ISSN: | 1472-6823 (print) |
DOI: | 10.1186/s12902-022-01127-y |
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