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Observational Study
. 2022 Aug 24:13:975511.
doi: 10.3389/fendo.2022.975511. eCollection 2022.

Pubertal timing in children with Silver Russell syndrome compared to those born small for gestational age

Giuseppa Patti  1   2 , Federica Malerba  2 , Maria Grazia Calevo  3 , Maurizio Schiavone  4 , Marco Scaglione  2 , Emilio Casalini  2 , Silvia Russo  5 , Daniela Fava  1   2 , Marta Bassi  2 , Flavia Napoli  1 , Anna Elsa Maria Allegri  1 , Giuseppe D'Annunzio  1 , Roberto Gastaldi  1 , Mohamad Maghnie  1   2 , Natascia Di Iorgi  1   2
Affiliations
Observational Study

Pubertal timing in children with Silver Russell syndrome compared to those born small for gestational age

Giuseppa Patti et al. Front Endocrinol (Lausanne). .

Erratum in

Abstract

Context: Data on pubertal timing in Silver Russell syndrome (SRS) are limited.

Design and methods: Retrospective observational study including twenty-three SRS patients [11p15 loss of methylation, (11p15 LOM, n=10) and maternal uniparental disomy of chromosome 7 (mUPD7, n=13)] and 21 small for gestational age (SGA). Clinical (thelarche in females; testis volume ≥ 4 ml in males; pubarche), BMI SD trend from the age of 5 to 9 years to the time of puberty, biochemical parameters of puberty onset [Luteinizing hormone (LH), 17-β-estradiol, testosterone], and bone age progression were evaluated.

Results: Pubertal onset and pubarche occurred significantly earlier in children with SRS than in SGA (p 0.03 and p 0.001, respectively) and clinical signs of puberty onset occurred earlier in mUPD7 than in 11p15LOM group (p 0.003). Five SRS children experienced central precocious puberty and LH, 17-β-estradiol, testosterone were detected earlier in SRS than in SGA (p 0.01; p 0.0001). Bone age delay in SRS children was followed by rapid advancement; the delta between bone age and chronological age in SRS group became significantly higher than in SGA group at the age of 9-11 years (p 0.007). 11p15LOM patients were underweight at the age of 5 years and showed a progressive normalization of BMI that was significantly higher than in mUPD7 (p 0.04) and SGA groups (p 0.03) at puberty onset.

Conclusion: Timing of puberty is affected in SRS and occurred earlier in mUPD7 compared to 11p15LOM. The impact of early puberty on adult height and metabolic status deserves long-term evaluation.

Keywords: 11p15 LOM; bone age; mUPD7; puberty; silver russell syndrome.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
BMI trend in SRS and in SGA subjects.
See this image and copyright information in PMC

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