Heterozygous mutations in natriuretic peptide receptor-B (NPR2) gene as a cause of short stature

Sophie R. Wang, Christina M. Jacobsen, Heather Carmichael, Aaron B. Edmund, Jerid W Robinson, Robert C. Olney, Timothy C. Miller, Jennifer E. Moon, Veronica Mericq, Lincoln R Potter, Matthew L. Warman, Joel N. Hirschhorn, Andrew Dauber

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34 Citations (Scopus)

Abstract

Based on the observation of reduced stature in relatives of patients with acromesomelic dysplasia, Maroteaux type (AMDM), caused by homozygous or compound heterozygous mutations in natriuretic peptide receptor-B gene (NPR2), it has been suggested that heterozygous mutations in this gene could be responsible for the growth impairment observed in some cases of idiopathic short stature (ISS). We enrolled 192 unrelated patients with short stature and 192 controls of normal height and identified seven heterozygous NPR2 missense or splice site mutations all in the short stature patients, including one de novo splice site variant. Three of the six inherited variants segregated with short stature in the family. Nine additional rare nonsynonymous NPR2 variants were found in three additional cohorts. Functional studies identified eight loss-of-function mutations in short individuals and one gain-of-function mutation in tall individuals. With these data, we were able to rigorously verify that NPR2 functional haploinsufficiency contributes to short stature. We estimate a prevalence of NPR2 haploinsufficiency of between 0 and 1/26 in people with ISS.

Original languageEnglish (US)
Pages (from-to)474-481
Number of pages8
JournalHuman mutation
Volume36
Issue number4
DOIs
StatePublished - Apr 1 2015

Fingerprint

Mutation
Haploinsufficiency
Genes
Observation
atrial natriuretic factor receptor B
Growth

Keywords

  • ISS
  • NPR2
  • Natriuretic peptide receptor-B
  • Short stature

Cite this

Wang, S. R., Jacobsen, C. M., Carmichael, H., Edmund, A. B., Robinson, J. W., Olney, R. C., ... Dauber, A. (2015). Heterozygous mutations in natriuretic peptide receptor-B (NPR2) gene as a cause of short stature. Human mutation, 36(4), 474-481. https://doi.org/10.1002/humu.22773

Heterozygous mutations in natriuretic peptide receptor-B (NPR2) gene as a cause of short stature. / Wang, Sophie R.; Jacobsen, Christina M.; Carmichael, Heather; Edmund, Aaron B.; Robinson, Jerid W; Olney, Robert C.; Miller, Timothy C.; Moon, Jennifer E.; Mericq, Veronica; Potter, Lincoln R; Warman, Matthew L.; Hirschhorn, Joel N.; Dauber, Andrew.

In: Human mutation, Vol. 36, No. 4, 01.04.2015, p. 474-481.

Research output: Contribution to journalArticle

Wang, SR, Jacobsen, CM, Carmichael, H, Edmund, AB, Robinson, JW, Olney, RC, Miller, TC, Moon, JE, Mericq, V, Potter, LR, Warman, ML, Hirschhorn, JN & Dauber, A 2015, 'Heterozygous mutations in natriuretic peptide receptor-B (NPR2) gene as a cause of short stature', Human mutation, vol. 36, no. 4, pp. 474-481. https://doi.org/10.1002/humu.22773
Wang, Sophie R. ; Jacobsen, Christina M. ; Carmichael, Heather ; Edmund, Aaron B. ; Robinson, Jerid W ; Olney, Robert C. ; Miller, Timothy C. ; Moon, Jennifer E. ; Mericq, Veronica ; Potter, Lincoln R ; Warman, Matthew L. ; Hirschhorn, Joel N. ; Dauber, Andrew. / Heterozygous mutations in natriuretic peptide receptor-B (NPR2) gene as a cause of short stature. In: Human mutation. 2015 ; Vol. 36, No. 4. pp. 474-481.
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