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Estelle De Groote, Louise Deldicque Institute of Neuroscience, Université catholique de Louvain, Louvain-la-Neuve, BelgiumCorrespondence: Louise DeldicqueInstitute of Neuroscience, Université catholique de Louvain, Place Pierre de Coubertin, 1 Box L08.10.01, Louvain-la-Neuve, 1348, BelgiumTel +32 10 47 44 43Email louise.deldicque@uclouvain.beAbstract:: Impaired metabolism is becoming one of the main causes of mortality and the identification of strategies to cure those diseases is a major public health concern. A number of therapies are being developed to treat type 2 diabetes mellitus (T2DM), but few of them focus on situations prior to diabetes. Obesity, aging and insulin resistance are all risk factors, which fortunately can be reversed to some extent. Non-drug interventions, such as exercise, are interesting strategies to prevent the onset of diabetes, but it remains to determine the optimal dose and conditions. In the search of optimizing the effects of physical exercise to prevent T2DM, hypoxic training has emerged as an interesting and original strategy. Several recent studies have chosen to look at the effects of hypoxic training in people at risk of developing T2DM. Therefore, the purpose of this narrative review is to give an overview of all original articles having tested the effects of a single exercise or exercise training in hypoxia on glucose metabolism and other health-related parameters in people at risk of developing T2DM. Taken together, the data on the effects of hypoxic training on glucose metabolism, insulin sensitivity and the health status of people at risk of T2DM are inconclusive. Some studies show that hypoxic training can improve glucose metabolism and the health status to a greater extent than normoxic training, while others do not corroborate the latter. When an additional benefit of hypoxic vs normoxic training is found, it still remains to determine which signaling pathways and molecular mechanisms are involved.Keywords: hypoxic training, glucose metabolism, insulin resistance, obesity, prediabetes |
