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Association of DPP-4 activity with BMD, body composition, and incident hip fracture: the Cardiovascular Health Study.


ABSTRACT: There was no association of plasma DPP-4 activity levels with bone mineral density (BMD), body composition, or incident hip fractures in a cohort of elderly community-dwelling adults.Dipeptidyl peptidase IV (DPP-4) inactivates several key hormones including those that stimulate postprandial insulin secretion, and DPP-4 inhibitors (gliptins) are approved to treat diabetes. While DPP-4 is known to modulate osteogenesis, the relationship between DPP-4 activity and skeletal health is uncertain. The purpose of the present study was to examine possible associations between DPP-4 activity in elderly subjects enrolled in the Cardiovascular Health Study (CHS) and BMD, body composition measurements, and incident hip fractures.All 1536 male and female CHS participants who had evaluable DXA scans and plasma for DPP-4 activity were included in the analyses. The association between (1) BMD of the total hip, femoral neck, lumbar spine, and total body; (2) body composition measurements (% lean, % fat, and total body mass); and (3) incident hip fractures and plasma levels of DPP-4 activity were determined.Mean plasma levels of DPP-4 activity were significantly higher in blacks (227 ± 78) compared with whites (216 ± 89) (p = 0.04). However, there was no significant association of DPP-4 activity with age or gender (p ? 0.14 for both). In multivariable adjusted models, there was no association of plasma DPP-4 activity with BMD overall (p ? 0.55 for all) or in gender stratified analyses (p ? 0.23). There was also no association of DPP-4 levels and incident hip fractures overall (p ? 0.24) or in gender stratified analyses (p ? 0.39).Plasma DPP-4 activity, within the endogenous physiological range, was significantly associated with race, but not with BMD, body composition, or incident hip fractures in elderly community-dwelling subjects.

SUBMITTER: Carbone LD 

PROVIDER: S-EPMC5653373 | biostudies-other | 2017 May

REPOSITORIES: biostudies-other

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Association of DPP-4 activity with BMD, body composition, and incident hip fracture: the Cardiovascular Health Study.

Carbone L D LD   Bůžková P P   Fink H A HA   Robbins J A JA   Bethel M M   Isales C M CM   Hill W D WD  

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA 20170202 5


There was no association of plasma DPP-4 activity levels with bone mineral density (BMD), body composition, or incident hip fractures in a cohort of elderly community-dwelling adults.<h4>Introduction</h4>Dipeptidyl peptidase IV (DPP-4) inactivates several key hormones including those that stimulate postprandial insulin secretion, and DPP-4 inhibitors (gliptins) are approved to treat diabetes. While DPP-4 is known to modulate osteogenesis, the relationship between DPP-4 activity and skeletal heal  ...[more]

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