期刊
AGEING RESEARCH REVIEWS
卷 89, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.arr.2023.101957
关键词
Neurodegenerative disorders; Genetics; Neurodegeneration with brain iron; accumulation; Neuroaxonal dystrophy; Parkinsonism
PLA2G6-associated neurodegeneration (PLAN) is a continuum of clinically and genetically heterogeneous neurodegenerative disorders with overlapping features. It is caused by variants in the PLA2G6 gene, which encodes an enzyme involved in membrane homeostasis, signal transduction, mitochondrial dysfunction, and α-synuclein aggregation. This review discusses the structure and function of the PLA2G6 gene, various PLAN disease phenotypes, and future research strategies.
PLA2G6-associated neurodegeneration (PLAN) represents a continuum of clinically and genetically heterogeneous neurodegenerative disorders with overlapping features. Usually, it encompasses three autosomal recessive diseases, including infantile neuroaxonal dystrophy or neurodegeneration with brain iron accumulation (NBIA) 2A, atypical neuronal dystrophy with childhood-onset or NBIA2B, and adult-onset dystonia-parkinsonism form named PARK14, and possibly a certain subtype of hereditary spastic paraplegia. PLAN is caused by variants in the phospholipase A2 group VI gene (PLA2G6), which encodes an enzyme involved in membrane homeostasis, signal transduction, mitochondrial dysfunction, and & alpha;-synuclein aggregation. In this review, we discuss PLA2G6 gene structure and protein, functional findings, genetic deficiency models, various PLAN disease phenotypes, and study strategies in the future. Our primary aim is to provide an overview of genotype-phenotype correlations of PLAN subtypes and speculate on the role of PLA2G6 in potential mechanisms underlying these conditions.
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