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Heterozygous variant in WNT1 gene in two brothers with early onset osteoporosis.


ABSTRACT: Osteoporosis is a multifactorial disorder characterized by low bone mass and strength, leading to increased risk of fracture. The WNT pathway plays a critical role in bone remodeling by enhancing osteoblastic differentiation, which promotes bone formation, and inhibiting osteoclastic differentiation, decreasing bone resorption. Therefore, genetic alterations of this pathway will lead to impaired bone homeostasis and could contribute to varying response to treatment. We present the case of two brothers with early osteoporosis who were found to have a heterozygous variant of unknown significance in the WNT1 gene, c.1060_1061delCAinsG (p.H354Afs*39). This finding demonstrates that frameshift variants in WNT1 may also act in a dominant fashion leading to decreased bone mass.

SUBMITTER: Turin CG 

PROVIDER: S-EPMC8379666 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Heterozygous variant in <i>WNT1</i> gene in two brothers with early onset osteoporosis.

Turin Christie G CG   Joeng Kyu Sang KS   Kallish Staci S   Raper Anna A   Asher Stephanie S   Campeau Philippe M PM   Khan Amna N AN   Al Mukaddam Mona M  

Bone reports 20210818


Osteoporosis is a multifactorial disorder characterized by low bone mass and strength, leading to increased risk of fracture. The WNT pathway plays a critical role in bone remodeling by enhancing osteoblastic differentiation, which promotes bone formation, and inhibiting osteoclastic differentiation, decreasing bone resorption. Therefore, genetic alterations of this pathway will lead to impaired bone homeostasis and could contribute to varying response to treatment. We present the case of two br  ...[more]

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