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Войти в исследования Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2024
[Genetic analysis of a case with Adult-onset globoid cell leukodystrophy].
Клинический случайАннотация на английскомСтатьяНазвание и аннотация: Перевод в очереди
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Liang Wenwen, Zhu Zhou, Fang Yongkang
Аннотация
OBJECTIVE: To explore the clinical features and genetic etiology of a patient with Adult-onset globoid cell leukodystrophy/Krabbe disease (KD).
METHODS: A patient who was admitted to the Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology on February 15, 2022 due to exacerbation of right leg weakness for over 4 years was selected as the study subject. Clinical data and results of medical imaging and genetic analysis were analyzed. Candidate variants were verified by family analysis.
RESULTS: The patient, a 36-year-old woman, had spasmodic gait as the primary presentation. Cranial magnetic resonance imaging (MRI) revealed symmetrical abnormalities in the bilateral corticospinal tracts, and the activity of β-galactocerebrosidase (GALC) in her white blood cells was significantly decreased. The patient was found to harbor compound heterozygous variants of the GALC gene, namely c.461C>A (p.Pro154His) and c.1901T>C (p.Leu634Ser). Her mother, sister and nephew were heterozygous carriers of the c.461C>A (p.Pro154His) variant, whilst her father was heterozygous for the c.1901T>C (p.Leu634Ser) variant.
CONCLUSION: The patient was ultimately diagnosed with adult-onset KD, for which the compound heterozygous variants of the GALC gene may be accountable.
METHODS: A patient who was admitted to the Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology on February 15, 2022 due to exacerbation of right leg weakness for over 4 years was selected as the study subject. Clinical data and results of medical imaging and genetic analysis were analyzed. Candidate variants were verified by family analysis.
RESULTS: The patient, a 36-year-old woman, had spasmodic gait as the primary presentation. Cranial magnetic resonance imaging (MRI) revealed symmetrical abnormalities in the bilateral corticospinal tracts, and the activity of β-galactocerebrosidase (GALC) in her white blood cells was significantly decreased. The patient was found to harbor compound heterozygous variants of the GALC gene, namely c.461C>A (p.Pro154His) and c.1901T>C (p.Leu634Ser). Her mother, sister and nephew were heterozygous carriers of the c.461C>A (p.Pro154His) variant, whilst her father was heterozygous for the c.1901T>C (p.Leu634Ser) variant.
CONCLUSION: The patient was ultimately diagnosed with adult-onset KD, for which the compound heterozygous variants of the GALC gene may be accountable.