Abstract
This study investigated the effects of age, sex and breed on serum cystatin C (Cys-C) and creatinine in small breed dogs. This retrospective study included 250 dogs weighing less than 15 kg without azotemia. Serum Cys-C and creatinine concentrations were analyzed, along with their correlation with age, and the difference between sexes or dog breeds. Serum Cys-C concentration correlated with age (P < 0.001), and did not differ between sexes or dog breeds. By contrast, serum creatinine concentration did not correlate with age. Serum creatinine concentration was higher in males than females (P < 0.05), and was lower in Miniature Dachshunds and Chihuahuas, and was higher in Shiba Inus compared to the general study population (P < 0.001). Serum Cys-C concentration correlates with age, and might be more sensitive to aging-associated subclinical renal dysfunction than serum creatinine concentration in dogs. Unlike serum creatinine concentration, serum Cys-C concentration is not affected by sex or dog breed.
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The datasets analyzed in the present study are available from the corresponding author on reasonable request.
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References
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Study conception was carried out by Naoki Iwasa, Satoshi Takashima, Yui Kobatake and Naohito Nishii. Data acquisition was done by Naoki Iwasa, Tatsuo Iwasa, Kazuko Iwasa, Rie Kumazawa, Saki Nomura, Sara Asami and Mamu Shimizu. Data were analyzed by Satoshi Takashima, Yui Kobatake and Naohito Nishii. First draft was written by Naoki Iwasa. Satoshi Takashima, Tatsuo Iwasa, Kazuko Iwasa, Rie Kumazawa, Saki Nomura, Sara Asami, Mamu Shimizu, Yui Kobatake and Naohito Nishii contributed to improve the manuscript. All authors read and approved the final version of the manuscript.
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This work is a retrospective observational study. All dog owners were given the opportunity to opt out from the present study, and this was communicated via the bulletin board in our animal hospital.
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Iwasa, N., Takashima, S., Iwasa, T. et al. Effect of age, sex, and breed on serum cystatin C and creatinine concentrations in dogs. Vet Res Commun 46, 183–188 (2022). https://doi.org/10.1007/s11259-021-09844-w
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DOI: https://doi.org/10.1007/s11259-021-09844-w