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Single-cell expression profiling of dopaminergic neurons combined with association analysis identifies pyridoxal kinase as Parkinson's disease gene.

التفاصيل البيبلوغرافية
العنوان: Single-cell expression profiling of dopaminergic neurons combined with association analysis identifies pyridoxal kinase as Parkinson's disease gene.
المؤلفون: Elstner, M., Morris, C.M., Heim, K., Lichtner, P., Bender, A., Mehta, D., Schulte, C., Sharma, M., Hudson, G., Goldwurm, S., Giovanetti, A., Zeviani, M., Burn, D.J., McKeith, I.G., Perry, R.H., Jaros, E., Kruger, R., Wichmann, H.-E., Schreiber, S., Campbell, H., Wilson, J.F., Wright, A.F., Dunlop, M., Pistis, G., Toniolo, D., Chinnery, P.F., Gasser, T., Klopstock, T., Meitinger, T., Prokisch, H., Turnbull, D.M.
المصدر: Ann. Neurol. 66, 792-798 (2009)
بيانات النشر: Wiley-Blackwell
سنة النشر: 2009
المجموعة: PuSH - Publikationsserver des Helmholtz Zentrums München
مصطلحات موضوعية: genomic convergence, sunstantia-nigra, candidate genes, axon guidance, risk, pathway, reveals
الوصف: The etiology of Parkinson disease (PD) is complex and multifactorial, with hereditary and environmental factors contributing. Monogenic forms have provided molecular clues to disease mechanisms but genetic modifiers of idiopathic PD are still to be determined. METHODS: We carried out whole-genome expression profiling of isolated human substantia nigra (SN) neurons from patients with PD vs. controls followed by association analysis of tagging single-nucleotide polymorphisms (SNPs) in differentially regulated genes. Association was investigated in a German PD sample and confirmed in Italian and British cohorts. RESULTS: We identified four differentially expressed genes located in PD candidate pathways, ie, MTND2 (mitochondrial, p = 7.14 x 10(-7)), PDXK (vitamin B6/dopamine metabolism, p = 3.27 x 10(-6)), SRGAP3 (axon guidance, p = 5.65 x 10(-6)), and TRAPPC4 (vesicle transport, p = 5.81 x 10(-6)). We identified a DNA variant (rs2010795) in PDXK associated with an increased risk of PD in the German cohort (p = 0.00032). This association was confirmed in the British (p = 0.028) and Italian (p = 0.0025) cohorts individually and reached a combined value of p = 1.2 x 10(-7) (odds ratio [OR], 1.3; 95% confidence interval [CI], 1.18-1.44). INTERPRETATION: We provide an example of how microgenomic genome-wide expression studies in combination with association analysis can aid to identify genetic modifiers in neurodegenerative disorders. The detection of a genetic variant in PDXK, together with evidence accumulating from clinical studies, emphasize the impact of vitamin B6 status and metabolism on disease risk and therapy in PD.
نوع الوثيقة: article in journal/newspaper
اللغة: German
تدمد: 0364-5134
1531-8249
العلاقة: info:eu-repo/semantics/altIdentifier/pmid/20035503; info:eu-repo/semantics/altIdentifier/wos/undefined; info:eu-repo/semantics/altIdentifier/isbn/0364-5134; info:eu-repo/semantics/altIdentifier/piss; https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=936Test; urn:isbn:0364-5134; urn:issn:0364-5134; urn:issn:1531-8249
DOI: 10.1002/ana.21780
الإتاحة: https://doi.org/10.1002/ana.21780Test
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=936Test
حقوق: info:eu-repo/semantics/closedAccess
رقم الانضمام: edsbas.E92642F
قاعدة البيانات: BASE
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