The Radiological and Histological Phenotype of Skeletal Abnormalities in Fetal ARCN1-Related Syndrome

Charlotte A. Houck, Marije Koopmans, Peter G.J. Nikkels*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Mutations in ARCN1 give rise to a syndromic disorder with rhizomelic short stature with microretrognathia and developmental delay. ARCN1 encodes the delta subunit of the coat protein I complex, which is required for intracellular trafficking of collagen 1 and which may also be involved in the endoplasmic reticulum (ER) stress response. In this paper we describe for the first time the skeletal histological abnormalities in an 18-week-old fetus with an ARCN1 mutation, and we suggest that the skeletal phenotype in ARCN1-related syndrome has more resemblance with ER stress than with a defect in collagen 1 metabolism.

Original languageEnglish
Pages (from-to)176-180
Number of pages5
JournalPediatric and Developmental Pathology
Volume27
Issue number2
Early online date3 Dec 2023
DOIs
Publication statusPublished - 1 Mar 2024

Keywords

  • autopsy
  • congenital anomaly
  • fetal
  • skeletal dysplasia

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