ArticleBrain and behavior2019
Nystagmus-related FRMD7 gene influences the maturation and complexities of neuronal processes in human neurons.
Article in Brain and behavior, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 25 citations in OpenAlex.
- [Differential diagnosis of infantile nystagmus].Die Ophthalmologie · 2026Review
- Surgical outcomes of a congenital nystagmus family with a missense mutation in the FRMD7 gene.Heliyon · 2024Article
- Truncated FRMD7 proteins in congenital Nystagmus: novel frameshift mutations and proteasomal pathway implications.BMC medical genomics · 2024Article
- Foveal Hypoplasia inInternational journal of molecular sciences · 2023Article
- Prospective study of pediatric patients presenting with idiopathic infantile nystagmus-Management and molecular diagnostics.Frontiers in genetics · 2022Article
- Nystagmus-related FRMD7 gene influences the maturation and complexities of neuronal processes in human neurons.Brain and behavior · 2019Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsIdiopathic congenital nystagmus (ICN) is an oculomotor disorder caused by the defects in the ocular motor control regions of the brain. Mutations in FRMD7, a member of the FERM family of proteins, associated with cytoskeletal dynamics, are the most frequent causes of X-linked ICN. Previous studies illustrated that FRMD7 is involved in the elongation of neurites during neuronal development; however, almost all the studies were performed on mice cell models. The complexity in the human neuronal network might suggest a unique vulnerability of human neurons to FRMD7 mutations.
methodsHerein, we successfully established human neuronal cell models with FRMD7 mutations, from fibroblasts-reprogrammed neurons (iNs). In these neurons, the complexity of the neuronal processes was measured by the induced ratio, total neurite length, the number of terminals, and the number of maturation neurons.
resultsThe complexity of the neuronal processes was greatly reduced during various reprogramming stages in the presence of FRMD7 mutations. Consistently, the expression of the three main Rho GTPases was significantly increased by FRMD7 mutations. Interestingly, a slightly diverse phenotype is observed in different derived neurons.
conclusionWe established ideal human neuron models and confirmed that the mutation in FRMD7 influences the maturation and complexities of neuronal processes, which might be involved with the Rho GTPase signaling.
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