The first family with adult osteogenesis imperfecta caused by a novel homozygous mutation in CREB3L1

SETIJOWATI, EVA DIAH (2019) The first family with adult osteogenesis imperfecta caused by a novel homozygous mutation in CREB3L1. John Wiley & Sons Inc.-United States. (Unpublished)

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Abstract

Abstract Background: Osteogenesis imperfecta (OI) is a clinically heterogeneous disease characterized by extreme skeletal fragility. It is caused by mutations in genes frequently affecting collagen biosynthesis. Mutations in CREB3L1 encoding the ER stress transducer OASIS are very rare and are only reported in pediatric patients. We report a large family with a novel CREB3L1 mutation, with severe adult clinical presentation. Methods: Clinical examination was performed on the family members. Next generation sequencing was performed for the causative genes for OI. The mutation was confirmed in other family members with Sanger sequencing. Results: A novel homozygous mutation in CREB3L1 was identified in the three affected patients. The parents and siblings who carry the mutation in heterozygous state were clinically unaffected. The three affected siblings, who were reported to have been born healthy, presented very severe progressive skeletal malformations and joint contractures but absence of common OI characteristics including blue sclerae, deafness, and dentinogenesis imperfecta. Resorption of a part of the humerus presumably associated with fracture nonunion and pseudarthrosis. Conclusion: We report a novel homozygous CREB3L1 mutation in a large Indonesian family; the homozygous affected members have survived to adulthood and they present a more severe phenotype than previously reported, expanding the clinical spectrum of OI for this gene. K E Y W O R D S CREB3L1, hereditary, osteogenesis imperfecta, osteoporosis, skeletal dysplasia

Item Type:	Other
Subjects:	R Medicine > R Medicine (General)
Divisions:	Faculty of Medicine > Medicine Study Program
Depositing User:	Sulimin BP3
Date Deposited:	05 Sep 2023 05:21
Last Modified:	05 Sep 2023 05:21
URI:	http://erepository.uwks.ac.id/id/eprint/15310

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