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Insulin resistance ...
Insulin resistance is associated with enhanced brain glucose uptake during euglycemic hyperinsulinemia : A large-scale PET cohort
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- Rebelos, Eleni (author)
- University of Turku, Turku, Finland
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- Bucci, Marco (author)
- University of Turku, Turku, Finland
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- Karjalainen, Tomi (author)
- University of Turku, Turku, Finland
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- Oikonen, Vesa (author)
- University of Turku, Turku, Finland
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- Bertoldo, Alessandra (author)
- University of Padova, Padua, Italy
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- Hannukainen, Jarna C. (author)
- University of Turku, Turku, Finland
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- Virtanen, Kirsi A. (author)
- University of Turku, Turku, Finland; University of Eastern Finland, Kuopio, Finland
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- Latva-Rasku, Aino (author)
- University of Turku, Turku, Finland
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- Hirvonen, Jussi (author)
- Turku University Hospital, Turku, Finland; University of Turku, Turku, Finland
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- Heinonen, Ilkka, 1982- (author)
- Högskolan i Halmstad,Rydberglaboratoriet för tillämpad naturvetenskap (RLAS),University of Turku, Turku, Finland
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- Parkkola, Riitta (author)
- Turku University Hospital, Turku, Finland; University of Turku, Turku, Finland
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- Laakso, Markku (author)
- University of Eastern Finland, Kuopio, Finland
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- Ferrannini, Ele (author)
- CNR, Pisa, Italy
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- Iozzo, Patricia (author)
- University of Turku, Turku, Finland; CNR, Pisa, Italy
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- Nummenmaa, Lauri (author)
- University of Turku, Turku, Finland
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- Nuutila, Pirjo (author)
- University of Turku, Turku, Finland; Turku University Hospital, Turku, Finland
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(creator_code:org_t)
- 2021-01-14
- 2021
- English.
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In: Diabetes Care. - Arlington : American Diabetes Association Inc.. - 0149-5992 .- 1935-5548. ; 44:3, s. 788-794
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https://doi.org/10.2...
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https://diabetesjour...
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Abstract
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- OBJECTIVE Whereas insulin resistance is expressed as reduced glucose uptake in peripheral tissues, the relationship between insulin resistance and brain glucose metabolism remains controversial. Our aim was to examine the association of insulin resistance and brain glucose uptake (BGU) during a euglycemic hyperinsulinemic clamp in a large sample of study participants across a wide range of age and insulin sensitivity. RESEARCH DESIGN AND METHODS [18F]-fluorodeoxyglucose positron emission tomography (PET) data from 194 participants scanned under clamp conditions were compiled from a single-center cohort. BGU was quantified by the fractional uptake rate. We examined the association of age, sex,Mvalue from the clamp, steady-state insulin and free fatty acid levels, C-reactive protein levels, HbA1c, and presence of type 2 diabetes with BGU using Bayesian hierarchical modeling. RESULTS Insulin sensitivity, indexed by theMvalue, was associated negatively with BGU in all brain regions, confirming that in insulin-resistant participants BGU was enhanced during euglycemic hyperinsulinemia. In addition, the presence of type 2 diabetes was associated with additional increase in BGU. On the contrary, age was negatively related to BGU. Steady-state insulin levels, C-reactive protein and free fatty acid levels, sex, and HbA1c were not associated with BGU. CONCLUSIONS In this large cohort of participants of either sex across a wide range of age and insulin sensitivity, insulin sensitivity was the best predictor of BGU. © 2021 by the American Diabetes Association.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
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- art (subject category)
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- By the author/editor
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Rebelos, Eleni
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Bucci, Marco
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Karjalainen, Tom ...
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Oikonen, Vesa
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Bertoldo, Alessa ...
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Hannukainen, Jar ...
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Virtanen, Kirsi ...
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Latva-Rasku, Ain ...
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Hirvonen, Jussi
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Heinonen, Ilkka, ...
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Parkkola, Riitta
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Laakso, Markku
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Ferrannini, Ele
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Iozzo, Patricia
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Nummenmaa, Lauri
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Nuutila, Pirjo
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Endocrinology an ...
- Articles in the publication
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Diabetes Care
- By the university
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Halmstad University