晚发威尔逊病患者的临床和遗传特征
Wenming Yang1, Yue Yang1, Han Wang1
1Department of Neurology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China.
NPJ genomic medicine
|December 24, 2024
概括
晚期发病的威尔逊病 (WD) 在诊断方面存在挑战. 特定的ATP7B变体,如V1106I和T935M,透率低,可能导致成人错过诊断.
科学领域:
- 遗传学 是一个遗传学.
- 神经学 神经学
- 内部医学 内部医学
背景情况:
- 威尔逊病 (WD) 是一种遗传性疾病,通常在年轻人中被诊断出来.
- 晚期发病的WD形式不太了解,这给诊断带来了挑战.
研究的目的:
- 调查晚发威尔逊病 (WD) 的遗传特征和变异性透率.
- 用gnomAD数据识别与晚期呈现相关的ATP7B变体并分析它们的透率.
主要方法:
- 对105名患有WD发病年龄≥35岁的患者进行了回顾性队列研究.
- 99名晚期发病的WD指数患者与1237名早期发病患者的比较.
- 使用基因组聚合数据库 (gnomAD) 分析ATP7B变异透率.
主要成果:
- 在晚期发病的WD患者中发现了62种ATP7B变体.
- 变种A874V,V1106I,R919G和T935M与晚期疾病呈现相关.
- 在gnomAD中,V1106I和T935M的透率显著低,对于特定的变体组合,缺乏同卵性或复合异卵性患者.
结论:
- 由于非典型或缺席症状,可能会忽略结合晚发性WD变体的患者.
- 了解这些变异的遗传基础和透率对于改善成人WD诊断至关重要.
相关概念视频
Lysosomal Hydrolases
3.7K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
3.7K
Pleiotropy
37.6K
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
37.6K
Genome-wide Association Studies-GWAS
12.0K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
12.0K
Incomplete Dominance
20.2K
Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
20.2K
Pedigree Analysis
81.9K
Overview
81.9K


