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Relationship between HHV8 infection markers and insulin sensitivity in ketosis-prone diabetes.

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Nguewa JL, Lontchi-Yimagou E, Agbelika F, AitDjoudi M, Boudou P, Choukem S, Sobngwi E, Gautier JF,


Nguewa JL, Lontchi-Yimagou E, Agbelika F, AitDjoudi M, Boudou P, Choukem S, Sobngwi E, Gautier JF, (click to view)

Nguewa JL, Lontchi-Yimagou E, Agbelika F, AitDjoudi M, Boudou P, Choukem S, Sobngwi E, Gautier JF,

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Diabetes & metabolism 2016 6 1() pii 10.1016/j.diabet.2016.05.004

Abstract
BACKGROUND AND OBJECTIVES
Peripheral tissue resistance to insulin action is a characteristic of type 2 diabetes mellitus (T2DM). It has also been reported that some chronic viral infections can contribute to insulin resistance. Human herpesvirus (HHV)-8 infection has been detected in T2DM patients in previous studies. Our study investigated whether the presence of the virus is associated with insulin resistance in patients with ketosis-prone type 2 diabetes (KPD), as reported with other viruses.

RESEARCH DESIGN AND METHODS
A total of 11 insulin-free KPD patients positive (+) and seven patients who were negative (-) for HHV-8 infection were recruited; the latter had KPD that was well controlled (HbA1c=6.2±0.7%). A two-step euglycaemic-hyperinsulinaemic clamp test coupled with deuterated [6,6-2H2]glucose was used to assess insulin sensitivity, non-esterified fatty acid (NEFA) suppression and endogenous glucose production.

RESULTS
In KPD patients, whether HHV-8+ or HHV-8-, there were no differences in NEFA release, endogenous glucose production or insulin sensitivity (M value).

CONCLUSION
Asymptomatic HHV-8 infection does not appear to be associated with decreased insulin sensitivity in diabetic patients. These results should now be confirmed in a larger sample population.

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