Serum symmetric dimethylarginine shows a relatively consistent long-term concentration in healthy dogs with a significant effect of increased body fat percentage

Symmetric dimethylarginine (SDMA) is a promising renal marker that correlates well with the glomerular filtration rate and could allow earlier detection of impaired renal function. The main objectives of this study were to assess the long-term variability of SDMA in healthy dogs and examine the infl...

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Veröffentlicht in:PloS one 2021-02, Vol.16 (2), p.e0247049-e0247049
Hauptverfasser: Hillaert, Amber, Liu, Daisy J X, Daminet, Sylvie, Broeckx, Bart J G, Stock, Emmelie, Paepe, Dominique, Hesta, Myriam, Vanderperren, Katrien
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container_title PloS one
container_volume 16
creator Hillaert, Amber
Liu, Daisy J X
Daminet, Sylvie
Broeckx, Bart J G
Stock, Emmelie
Paepe, Dominique
Hesta, Myriam
Vanderperren, Katrien
description Symmetric dimethylarginine (SDMA) is a promising renal marker that correlates well with the glomerular filtration rate and could allow earlier detection of impaired renal function. The main objectives of this study were to assess the long-term variability of SDMA in healthy dogs and examine the influence of an increased body fat percentage on the level of SDMA. Sixteen lean Beagles were randomly assigned to the control group or weight-change group in age- and gender-matched pairs. The energy intake of the control group (n = 8) was strictly regulated to maintain an ideal body weight for 83 weeks, while the weight-change group (n = 8) was fed to induce weight gain (week 0-47), to maintain stable excessive body weight (week 47-56) and to lose weight (week 56-83), consecutively. At 8 specified time points, the body condition score, body composition, glomerular filtration rate, serum concentration of SDMA and creatinine were analyzed. In the control group, the within-subject coefficient of variation, between-subject coefficient of variation, reference change value (type I error = 5%) and index of individuality were 0.16, 0.22, 0.43 and 0.73, respectively. The control group and weight-change group did not differ significantly in SDMA concentration. SDMA showed a significant negative association (coefficient = -0.07) with body fat percentage (p
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The main objectives of this study were to assess the long-term variability of SDMA in healthy dogs and examine the influence of an increased body fat percentage on the level of SDMA. Sixteen lean Beagles were randomly assigned to the control group or weight-change group in age- and gender-matched pairs. The energy intake of the control group (n = 8) was strictly regulated to maintain an ideal body weight for 83 weeks, while the weight-change group (n = 8) was fed to induce weight gain (week 0-47), to maintain stable excessive body weight (week 47-56) and to lose weight (week 56-83), consecutively. At 8 specified time points, the body condition score, body composition, glomerular filtration rate, serum concentration of SDMA and creatinine were analyzed. In the control group, the within-subject coefficient of variation, between-subject coefficient of variation, reference change value (type I error = 5%) and index of individuality were 0.16, 0.22, 0.43 and 0.73, respectively. 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The main objectives of this study were to assess the long-term variability of SDMA in healthy dogs and examine the influence of an increased body fat percentage on the level of SDMA. Sixteen lean Beagles were randomly assigned to the control group or weight-change group in age- and gender-matched pairs. The energy intake of the control group (n = 8) was strictly regulated to maintain an ideal body weight for 83 weeks, while the weight-change group (n = 8) was fed to induce weight gain (week 0-47), to maintain stable excessive body weight (week 47-56) and to lose weight (week 56-83), consecutively. At 8 specified time points, the body condition score, body composition, glomerular filtration rate, serum concentration of SDMA and creatinine were analyzed. In the control group, the within-subject coefficient of variation, between-subject coefficient of variation, reference change value (type I error = 5%) and index of individuality were 0.16, 0.22, 0.43 and 0.73, respectively. The control group and weight-change group did not differ significantly in SDMA concentration. SDMA showed a significant negative association (coefficient = -0.07) with body fat percentage (p&lt;0.01) in the weight-change group and a significant positive association (coefficient = 7.79) with serum creatinine (p&lt;0.01) in the entire study population. In conclusion, SDMA concentration has high long-term stability in healthy adult dogs. For the evaluation of SDMA concentrations, subject-specific reference values are preferred over a population-based reference value seen their higher sensitivity. Moreover, an increased body fat percentage does seem to affect the serum SDMA concentration of otherwise healthy dogs, but its clinical relevance has to be clarified in further research.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>33596230</pmid><doi>10.1371/journal.pone.0247049</doi><tpages>e0247049</tpages><orcidid>https://orcid.org/0000-0003-3262-8495</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adipose tissues
Animals
Biological markers
Biology and Life Sciences
Body composition
Body fat
Body weight
Chronic illnesses
Diseases
Dogs
Domestic animals
Editing
Funding
Genetics
Glomerular filtration rate
Health aspects
Kidney diseases
Measurement
Medical imaging
Medicine
Medicine and Health Sciences
Methodology
Nutrition
Nutrition research
Obesity
Orthopedics
Renal function
Reviews
Veterinary medicine
title Serum symmetric dimethylarginine shows a relatively consistent long-term concentration in healthy dogs with a significant effect of increased body fat percentage
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