Impact of the Type of Continuous Insulin Administration on Metabolism in a Diabetic Rat Model.

Abstract:

:Exogenous insulin is the only treatment available for type 1 diabetic patients and is mostly administered by subcutaneous (SC) injection in a basal and bolus scheme using insulin pens (injection) or pumps (preimplanted SC catheter). Some divergence exists between these two modes of administration, since pumps provide better glycaemic control compared to injections in humans. The aim of this study was to compare the impacts of two modes of insulin administration (single injections of long-acting insulin or pump delivery of rapid-acting insulin) at the same dosage (4 IU/200 g/day) on rat metabolism and tissues. The rat weight and blood glucose levels were measured periodically after treatment. Immunostaining for signs of oxidative stress and for macrophages was performed on the liver and omental tissues. The continuous insulin delivery by pumps restored normoglycaemia, which induced the reduction of both reactive oxygen species and macrophage infiltration into the liver and omentum. Injections controlled the glucose levels for only a short period of time and therefore tissue stress and inflammation were elevated. In conclusion, the insulin administration mode has a crucial impact on rat metabolic parameters, which has to be taken into account when studies are designed.

journal_name

J Diabetes Res

authors

Schaschkow A,Mura C,Dal S,Langlois A,Seyfritz E,Sookhareea C,Bietiger W,Peronet C,Jeandidier N,Pinget M,Sigrist S,Maillard E

doi

10.1155/2016/8310516

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

8310516

eissn

2314-6745

issn

2314-6753

journal_volume

2016

pub_type

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