Low bone mass in Noonan syndrome children correlates with decreased muscle mass and low IGF-1 levels

Copyright © 2021 Elsevier Inc. All rights reserved..

Although musculoskeletal abnormalities have long been described in patients with Noonan syndrome (NS), only a few studies have investigated the bone status of these patients. The aim of this retrospective observational study was to describe the bone health of children with NS. Thirty-five patients with a genetically confirmed diagnosis of NS were enrolled. We analyzed the axial skeleton (lumbar spine) using dual energy X-ray absorptiometry and the appendicular skeleton (hand) with the BoneXpert system. Bone metabolism markers, including mineral homeostasis parameters, serum 25-hydroxy vitamin D (25-OHD) levels and markers of bone formation and resorption were also reported. Compared to the general population, axial and appendicular bone mass was significantly decreased in children with NS (p < 0.0001). Serum 25-OHD levels were low in about half of the patients and were negatively correlated with age (r = -0.52; p < 0.0001). Patients with NS exhibited reduced bone formation marker levels and increased bone resorption marker levels (p < 0.0001). No gender difference or genotype-phenotype correlations were found for the different bone parameters. Muscle mass and, to a lesser extent, serum insulin-like growth factor 1 (IGF-1) levels were independent predictors of whole-body bone mineral content (p < 0.0001 for both parameters; adjusted R2 = 0.97). In conclusion, bone mass is reduced in children with NS and correlates with decreased muscle mass and low serum IGF-1 levels. These data justify addressing all potential threats to bone health including sufficient calcium and vitamin D intake, regular physical exercise, and hormone replacement therapy.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:153

Enthalten in:

Bone - 153(2021) vom: 01. Dez., Seite 116170

Sprache:

Englisch

Beteiligte Personen:

Delagrange, Marine [VerfasserIn]
Rousseau, Vanessa [VerfasserIn]
Cessans, Catie [VerfasserIn]
Pienkowski, Catherine [VerfasserIn]
Oliver, Isabelle [VerfasserIn]
Jouret, Béatrice [VerfasserIn]
Cartault, Audrey [VerfasserIn]
Diene, Gwenaelle [VerfasserIn]
Tauber, Maithé [VerfasserIn]
Salles, Jean-Pierre [VerfasserIn]
Yart, Armelle [VerfasserIn]
Edouard, Thomas [VerfasserIn]

Links:

Volltext

Themen:

67763-96-6
Bone mass
Insulin-Like Growth Factor I
Insulin-like growth factor 1
Journal Article
Muscle mass
Noonan syndrome
RAS/ERK signaling pathway
RASopathies
Research Support, Non-U.S. Gov't

Anmerkungen:

Date Completed 25.10.2021

Date Revised 31.05.2022

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1016/j.bone.2021.116170

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM330346997