Molecular genetics & genomic medicine · 2021
A novel NSDHL variant in CHILD syndrome with gastrointestinal manifestations and localized skin involvement.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Tan Ene-Choo, Chia Shi Yun, Rafi'ee Khadijah, Lee Shan Xian, Kwek Andrew Boon Eu, Tan Sze Hwa, Ng Victor Weng Leong, Wei Heming, Koo Stephanie, Koh Ai Ling, Koh Mark Jean-Aan
Аннотация
BACKGROUND: CHILD syndrome is an X-linked dominant disorder associated with pathogenic mutations in the NSDHL gene. The condition is predominantly found in females as it is lethal in males. Most cases present at birth with extensive unilateral ichthyosiform erythroderma involving the trunk and limbs. Milder and less extensive presentations have been reported, leading to misdiagnosis especially during early childhood.
METHODS AND RESULTS: We report an adult female of Malay ancestry who presented with minimal skin and limb involvement. She was only diagnosed in adulthood when she presented with gastrointestinal symptoms and worsening of skin manifestations. The clinical diagnosis was suspected after a combination of clinical, pathological and immunohistochemistry correlation, and molecularly confirmed with the discovery of a frameshift variant in NSDHL. The novel variant was inherited from her mother who had some linear hypopigmented patches over the medial aspects of both her arms and right forearm.
CONCLUSION: We uncovered a novel frameshift variant associated with presentations that cast a new light on the clinical features of CHILD syndrome.
METHODS AND RESULTS: We report an adult female of Malay ancestry who presented with minimal skin and limb involvement. She was only diagnosed in adulthood when she presented with gastrointestinal symptoms and worsening of skin manifestations. The clinical diagnosis was suspected after a combination of clinical, pathological and immunohistochemistry correlation, and molecularly confirmed with the discovery of a frameshift variant in NSDHL. The novel variant was inherited from her mother who had some linear hypopigmented patches over the medial aspects of both her arms and right forearm.
CONCLUSION: We uncovered a novel frameshift variant associated with presentations that cast a new light on the clinical features of CHILD syndrome.