Samenvatting
De toegenomen incidentie van type 2 diabetes is deels toe te schrijven aan de huidige obesogene leefomgeving. Er bestaan echter grote individuele verschillen in de ontwikkeling van type 2 diabetes. De persoonlijkheid van een individu is in hoge mate bepalend voor de manier waarop een individu omgaat met zijn omgeving. Dit betekent dat de persoonlijkheid van een individu mogelijk ook een bepalende factor zou kunnen zijn bij de ontwikkeling van type 2 diabetes. Wij hebben dit onderzocht in een diermodel met passieve en proactieve ratten. Passieve ratten bleken een grote aanleg hebben voor het ontwikkelen van insulineresistentie terwijl proactieve ratten, zelfs in een obesogene omgeving, gekenmerkt worden door een hoge insulinegevoeligheid. Ook bij de behandeling van type 2 diabetes werden er verschillen gevonden tussen passieve en proactieve ratten. Dit gold zowel voor farmacologische behandeling met een selectieve glucocorticoïd receptor antagonist als voor life style interventie programma’s, met name op het gebied van fysieke activiteit. De studies bevestigen dat de persoonlijkheid van een individu een belangrijke factor is bij de ontwikkeling en behandeling van type 2 diabetes, met name door de interacties van het individu met zijn leefomgeving. We stellen dat de behandeling van type 2 diabetes sterk zou kunnen verbeteren door rekening te houden met de interactie tussen de leefomgeving van de patiënt, zijn of haar persoonlijkheid en uiteraard de bijbehorende fysiologische kenmerken.
Summary
The increased incidence of type 2 diabetes is for a large part caused by changes in the modern obesogenic environment. There are, however, large individual differences in the development and treatment of type 2 diabetes. Since the personality of the individual is a determining factor for the way this individual interacts with its environment, we hypothesized that the personality may play pivotal role in the development of type 2 diabetes. We investigated this in rats selected for a proactive or passive personality. Passive individuals had a higher susceptibility to develop insulin resistance, while proactive individuals are characterized by a high insulin sensitivity, even in a obesogenic environment. Our studies also revealed a large difference in the response to several treatments. First, treatment with a glucocorticoid antagonist improved insulin profiles in the passive rat, while it did not in the proactive rats. Secondly, running, either spontaneously or forced, resulted in improved insulin sensitivity in both personalities, but when the animals were exposed to a high fat diet, passive rats would increase their spontaneous running levels, whereas proactive rats kept their activity levels stable. We conclude that the interactions between the environment and the personality may play a crucial role in the development or prevention of metabolic diseases such as type 2 diabetes. We feel that that treatment of type 2 diabetes could improve considerably by when the interaction between the environment of the patient, his or her personality and the associated physiological characteristics are taken into account.
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1 Department of Neuroendocrinology, Center for Behavioral Neurosciences, University of Groningen, The Netherlands
2 Department of Research and Development, AstraZeneca, Göteborg, Sweden
Correspondentie:
Prof Dr Anton JW Scheurink Department of Neuroendocrinology University of Groningen PO Box 11103 9700 CC Groningen The Netherlands
a.j.w.scheurink@rug.nl
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Boersma, G., Benthem, B., van Dijk, G. et al. Persoonlijkheid: een belangrijke factor bij de ontwikkeling, behandeling en de preventie van type 2 diabetes.. NED. TIJDSCHR. DIABET. 9, 46–51 (2011). https://doi.org/10.1007/s12467-011-0015-6
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DOI: https://doi.org/10.1007/s12467-011-0015-6