Abstract
Immunoreactive insulin (IRI) concentrations were measured in plasma and cerebrospinal fluid (CSF) of four-month old genetically obese Zucker rats, their heterozygote lean littermates, and age-matched normalweight Wistar rats. Basal plasma IRI was 201 ± 35 uU/ml (X ± SEM) in the obese animals and was significantly elevated compared to both lean Zucker rats (18 ± 2.4 μg/ml, P<0.001) and Wistar rats (12 ± 2.4 μg/ml, P<0.001). The mean CSF IRI concentration of fasted obese Zucker rats was 1.59 ± 0.19 μg/ml; this was significantly higher than the CSF IRI level of either fasted Zucker lean rats (0.31 ± 0.08 μg/ml, P<0.001) or Wistar rats.
Original language | English (US) |
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Pages (from-to) | 2299-2301 |
Number of pages | 3 |
Journal | Endocrinology |
Volume | 113 |
Issue number | 6 |
DOIs | |
State | Published - Dec 1983 |
Externally published | Yes |
ASJC Scopus subject areas
- Endocrinology