The Effects of Acute High-Intensity Interval Exercise and Hyperinsulinemic-Euglycemic Clamp on Osteoglycin Levels in Young and Middle-Aged Men

Carlie Bauer, Alexander Tacey, Andrew Garnham, Cassandra Smith, Mary N. Woessner, Xuzhu Lin, Navabeh Zarekookandeh, David L. Hare, Joshua R. Lewis, Lewan Parker, Itamar Levinger

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Osteoglycin (OGN) is a leucine-rich proteoglycan that has been implicated in the regulation of glucose in animal models. However, its relationship with glucose control in humans is unclear. We examined the effect of high-intensity interval exercise (HIIE) and hyperinsulinemic-euglycemic clamp on circulating levels of OGN as well as whether circulating OGN levels are associated with markers of glycemic control and cardio-metabolic health. Serum was analyzed for OGN (ELISA) levels from 9 middle-aged obese men (58.1 +/- 2.2 years, body mass index [BMI] = 33.1 +/- 1.4 kg.m(-2), mean +/- SEM) and 9 young men (27.8 +/- 1.6 years, BMI = 24.4 +/- 0.08 kg.m(-2)) who previously completed a study involving a euglycemic-hyperinsulinemic clamp at rest and after HIIE (4x4 minutes cycling at approximately 95% peak heart rate (HRpeak), interspersed with 2 minutes of active recovery). Blood pressure, body composition (dual-energy X-ray absorptiometry), and insulin sensitivity (hyperinsulinemic-euglycemic clamp) were assessed. Serum OGN was higher in the young cohort compared with the middle-aged cohort (65.2 +/- 10.1 ng/mL versus 36.5 +/- 4. 5 ng/mL, p

Original languageEnglish
Article numbere10667
Number of pages6
JournalJBMR Plus
Volume6
Issue number11
DOIs
Publication statusPublished - Nov 2022

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