Effect of age and sex on bone markers inChlorocebus aethiopsraised in captivity

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The objective was to evaluate the procollagen type I N-propeptide (PINP), osteocalcin (OC), β-crosslaps (β-CTX), and parathyroid hormone (PTH) in relation to age and sex of Chlorocebus aethiops in captivity.


Seventy-three monkeys were divided into four age groups: AG1 (juvenile); AG2 (young adult); AG3 (adult); and AG4 (senile). An electrochemiluminescence immunoassay with an Elecsys 2010 analyzer was used to determine the serum markers of bone.

Results and conclusions

Sex did not influence the results of the markers. However, the variables PINP, OC, and β-CTX were negatively correlated with age (r = −0.643; r = −0.711; r = −0.488; P < 0.001, respectively), and PTH was correlated positively with age (r = 0.418, P < 0.001). The data obtained can be used as biomarkers of bone metabolism reference intervals in healthy C. aethiops in captivity.

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