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Rigshospitalet - en del af Københavns Universitetshospital
Udgivet

Longitudinal Increases in Serum Insulin-like Factor 3 and Testosterone Determined by LC-MS/MS in Pubertal Danish Boys

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Vis graf over relationer

BACKGROUND: Serum concentrations of the peptide hormone insulin-like factor 3 (INSL3) is a candidate marker for improved distinction between constitutional delay of growth and puberty (CDGP) and permanent hypogonadotropic hypogonadism (HH) in boys.

AIM: To assess the possible diagnostic role of LC-MS/MS-based INSL3 measurements as a marker of imminent puberty by comparison with testosterone (T) and luteinizing hormone (LH) levels in serum longitudinally collected from 18 healthy boys throughout puberty.

RESULTS: The first increase in serum LH was detected on average 4 months earlier, as compared with the first observed increases in INSL3 and T. When comparing the 2 testicular hormones only, we found that in 22% (4 of 18) of the boys the first increase in serum INSL3 was observed prior to the first observed increase in T, whereas in 44% (8 of 18) the first increase in T was observed before the first observed increase in INSL3. In the remaining 6 boys, the 2 testicular hormones showed the first increase at the same examination.

CONCLUSION: In some boys with delayed puberty, the first indication of testicular maturation may be detectable by observing serum INSL3. Further studies of LC-MS/MS determination of serum INSL3 in patients with CDGP and HH are warranted.

OriginalsprogEngelsk
TidsskriftThe Journal of clinical endocrinology and metabolism
Vol/bind105
Udgave nummer10
ISSN0021-972X
DOI
StatusUdgivet - 1 okt. 2020

Bibliografisk note

Published by Oxford University Press on behalf of the Endocrine Society 2020.

ID: 60693952