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Leukocyte Telomere Length in Children with Congenital Adrenal Hyperplasia.

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dc.contributor.authorRaftopoulou, Christina
dc.contributor.authorAbawi, Ozair
dc.contributor.authorSommer, Grit
dc.contributor.authorBinou, Maria
dc.contributor.authorPaltoglou, George
dc.contributor.authorFlück Pandey, Christa Emma
dc.contributor.authorvan den Akker, Erica L T
dc.contributor.authorCharmandari, E
dc.date.accessioned2024-10-11T17:19:14Z
dc.date.available2024-10-11T17:19:14Z
dc.date.issued2023-01-17
dc.description.abstractCONTEXT Exposure to chronic stress and hypercortisolism is associated with decreased leukocyte telomere length (LTL), a marker for biological aging and cardiovascular disease. Children with congenital adrenal hyperplasia (CAH) are treated with glucocorticoids. OBJECTIVE To investigate LTL in children with CAH. DESIGN Prospective observational cohort study. Patients were followed-up at two visits (mean 4.1 ± 0.7 months apart). SETTING Four academic Pediatric Endocrinology Outpatient Clinics. PATIENTS Children aged 0-18 years with genetically confirmed CAH. MAIN OUTCOME MEASURES At each visit, LTL was determined by quantitative real-time PCR. All subjects underwent detailed clinical and endocrinologic evaluation and were classified as undertreated, optimally treated or overtreated, accordingly. The influence of clinical factors on LTL was investigated using linear mixed models adjusted for age, sex, and BMI-z. RESULTS We studied 76 patients, of whom 31 (41%) were girls, 63 (83%) had classic CAH, 67 (88%) received hydrocortisone and 8 (11%) prednisolone. Median age at first visit was 12.0 years (IQR 6.3-15.1), and median BMI-z was 0.51 (IQR -0.12-1.43). LTL was shorter in patients with classic compared to non-classic CAH (-0.29, P = 0.012), in overtreated than in optimally treated patients (-0.07, P = 0.002), and patients receiving prednisolone compared with hydrocortisone (-0.34, P < 0.001). LTL was not associated with undertreatment or daily HC-equivalent dose (P > 0.05). CONCLUSIONS LTL is shorter in patients with classic than non-classic CAH, as well as those who are overtreated with hydrocortisone or treated with long-acting glucocorticoids. These findings may be attributed to chronic exposure to supraphysiologic glucocorticoid concentrations, and indicate that LTL may be used as a biomarker for monitoring glucocorticoid treatment.
dc.description.numberOfPages10
dc.description.sponsorshipDepartment for BioMedical Research, Forschungsgruppe Endokrinologie / Diabetologie / Metabolik (Pädiatrie)
dc.description.sponsorshipUniversitätsklinik für Kinderheilkunde
dc.identifier.doi10.48350/173431
dc.identifier.pmid36181470
dc.identifier.publisherDOI10.1210/clinem/dgac560
dc.identifier.urihttps://boris-portal.unibe.ch/handle/20.500.12422/87828
dc.language.isoen
dc.publisherOxford University Press
dc.relation.ispartofThe journal of clinical endocrinology and metabolism
dc.relation.issn1945-7197
dc.relation.organizationDCD5A442BADAE17DE0405C82790C4DE2
dc.relation.organizationDCD5A442C248E17DE0405C82790C4DE2
dc.relation.organizationDCD5A442C266E17DE0405C82790C4DE2
dc.subject21-hydroxylase Congenital adrenal hyperplasia LTL adolescents glucocorticoid telomeres
dc.subject.ddc600 - Technology::610 - Medicine & health
dc.titleLeukocyte Telomere Length in Children with Congenital Adrenal Hyperplasia.
dc.typearticle
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oaire.citation.endPage452
oaire.citation.issue2
oaire.citation.startPage443
oaire.citation.volume108
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oairecerif.author.affiliationDepartment for BioMedical Research, Forschungsgruppe Endokrinologie / Diabetologie / Metabolik (Pädiatrie)
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oairecerif.author.affiliationUniversitätsklinik für Kinderheilkunde
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oairecerif.author.affiliation2Universitätsklinik für Kinderheilkunde
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oairecerif.author.affiliation2Department for BioMedical Research, Forschungsgruppe Endokrinologie / Diabetologie / Metabolik (Pädiatrie)
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unibe.date.embargoChanged2023-10-02 22:25:04
unibe.date.licenseChanged2022-10-03 12:07:47
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unibe.eprints.legacyId173431
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