Related Experiment Videos
TMEM230 in Parkinson's disease in a southern Spanish population
Cristina Tejera-Parrado1, Silvia Jesús1, Adrián López-Ruíz1
1Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, España.
Abstract:
TMEM230 has been associated with autosomal dominant Parkinson's disease (PD). Subsequent studies have remained negative, and none of previous described mutation has been reported anymore. We investigated the implication of this gene in the PD in a population of 703 PD patients and 695 unrelated healthy controls from southern Spain. Thirteen variants were found, twelve of them observed only in controls or in patients and controls, and one (c.190A>G) observed only in one patient. Subsequent analysis of this variant indicates that probably it is not pathogenic. In addition, we found a variation in the 3'-UTR (rs183551373) and related with the miRNA hsa-miR-4299 but it was observed only in healthy controls. Our results suggest that variants in TMEM230 gene are not associated with the development of PD.
Insights
Genetic variants in the TMEM230 gene are not linked to Parkinson's disease (PD). This study found no significant association between TMEM230 mutations and PD development in a Spanish population.
Area of Science:
- Genetics
- Neurology
- Molecular Biology
Background:
- Autosomal dominant Parkinson's disease (PD) has been previously, but inconclusively, linked to the TMEM230 gene.
- Subsequent research has failed to replicate these initial findings, casting doubt on TMEM230's role in PD pathogenesis.
Purpose of the Study:
- To investigate the potential association between TMEM230 gene variants and Parkinson's disease in a southern Spanish cohort.
- To re-evaluate the role of TMEM230 in the etiology of Parkinson's disease.
Main Methods:
- A case-control study was conducted involving 703 Parkinson's disease patients and 695 healthy controls from southern Spain.
- Genetic analysis was performed to identify and characterize variants within the TMEM230 gene.
- Functional implications of identified variants, including potential miRNA interactions, were assessed.
Main Results:
- Thirteen variants in TMEM230 were identified; twelve were found in both patients and controls, or only in controls.
- A single variant (c.190A>G) was found exclusively in one patient, but further analysis suggested it is likely not pathogenic.
- A 3'-UTR variation (rs183551373) potentially interacting with hsa-miR-4299 was observed only in healthy controls.
Conclusions:
- The findings suggest that genetic variations in the TMEM230 gene are not associated with the development of Parkinson's disease in the studied population.
- This study does not support TMEM230 as a causative gene for Parkinson's disease.
- Further research may be needed to explore other genetic factors contributing to PD etiology.