Neurología

Avanza la biopsia líquida en el estudio del ADN

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AvancesEl estudio del ADN circulante, por medio de una muestra de sangre, abre nuevas perspectivas en el diagnóstico oncológico, aunque se exploran sus aplicaciones en el infarto del miocardio, el ictus y otras afecciones. Un editorial habla sobre su introducción en el laboratorio clínico: Jiménez W. Biopsia líquida: un reto para el laboratorio de diagnóstico clínico. Avances en Medicina de Laboratorio, 2020; DOI: https://doi.org/10.1515/almed-2020-0036.

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Polimorfismos, mutaciones y variantes: canales iónicos, sueño, mortinatos, anencefalia, infarto cardiaco, cáncer

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- Chromosome 1q21.2 and additional loci influence risk of spontaneous coronary artery dissection and myocardial infarction
– Pan-cancer study detects genetic risk variants and shared genetic basis in two large cohorts
– Predicting functional effects of missense variants in voltage-gated sodium and calcium channels
– Forward genetics identifies a novel sleep mutant with sleep state inertia and REM sleep deficits
– Causal Genetic Variants in Stillbirth
– A loss-of-function NUAK2 mutation in humans causes anencephaly due to impaired Hippo-YAP signaling

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Nuevas asociaciones, polimorfismos y mutaciones: cáncer de próstata, esquizofrenia…

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- Comprehensive genomic analysis of dietary habits in UK Biobank identifies hundreds of genetic associations
– 8q24 genetic variation and comprehensive haplotypes altering familial risk of prostate cancer
– Genome-wide Association Analysis in Humans Links Nucleotide Metabolism to Leukocyte Telomere Length
– Fine‐mapping of ZDHHC2 identifies risk variants for schizophrenia in the Han Chinese population

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Nuevas asociaciones, mutaciones, polimorfismos: insuficiencia cardiaca, autismo, alcoholismo, …

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- Genome-wide association and Mendelian randomisation analysis provide insights into the pathogenesis of heart failure
– The Medical Genome Reference Bank contains whole genome and phenotype data of 2570 healthy elderly
– Association of Genetic Risks With Autism Spectrum Disorder and Early Neurodevelopmental Delays Among Children Without Intellectual Disability
– Copy Number Variation and Clinical Outcomes in Patients With Germline PTEN Mutations
– Functional validity, role, and implications of heavy alcohol consumption genetic loci

- Insights into the aetiology of snoring from observational and genetic investigations in the UK Biobank

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Identifican proteínas relacionadas con estabilidad cognitiva

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2019 04 15 proteome cognitionUn estudio de asociación proteómica ha identificado al menos 38 proteínas que no se relacionan con trastornos neurológicos y se asocian con la trayectoria cognitiva de adultos mayores. Los detalles son divulgados en Wingo AP, Dammer EB, Breen MS, Logsdon BA, Duong DM, Troncosco JC, et al. Large-scale proteomic analysis of human brain identifies proteins associated with cognitive trajectory in advanced age. Nature Communications 2019;10:1619.

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Genómica redefine estructuras y funciones cerebrales

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2018 12 18 - integrative2Las tecnologías ómicas revelan nuevas relaciones en el neurodesarrollo y las enfermedades neuropsiquiátricas, según Li M, Santpere G, Kawasawa YI, Evgrafov OV, Gulden FO, Pochareddy S, et al. Integrative functional genomic analysis of human brain development and neuropsychiatric risks. Science, 2018;362(6420):eaat7615.

También, en la identificación de genes implicados en esas enfermedades, de acuedo con Wang D, Liu S, Warrell J, Won H, Shi X, Navarro FCP, et al. Comprehensive functional genomic resource and integrative model for the human brain. Science, 2018;362(6420):eaat8464.

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Nuevas asociaciones: color rojo del cabello, cáncer de mama, epilepsia

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- Genome-wide study of hair colour in UK Biobank explains most of the SNP heritability. Nature Communications 2018;9:5271.

- Polygenic Risk Scores for Prediction of Breast Cancer and Breast Cancer Subtypes. Am J Human Genetics 2018;(18)30405-1.

- Genome-wide mega-analysis identifies 16 loci and highlights diverse biological mechanisms in the common epilepsies. Nature Communications 2018;9:5269 (2018)

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Vinculan genes de ELA con demencia frontotemporal

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2018 06 23 - ELA FTDLas evidencias que relacionan las variantes de genes para la esclerosis lateral amiotrófica, recientemente identificados (TBK1, CHCHD10, TUBA4A, CCNF, MATR3, NEK1, C21orf2, ANXA11, TIA1), con la demencia frontotemporal, y las oportunidades para nuevas terapias, son los temas de la revisión Nguyen HP, Van Broeckhoven C, van der Zee J. ALS Genes in the Genomic Era and their Implications for FTD. Trends in Genetics June 2018;34(6):404–423.

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Nuevas variantes, asociaciones y mutaciones

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- Genome-wide association study of classical Hodgkin lymphoma identifies key regulators of disease susceptibility
– Linkage, whole genome sequence, and biological data implicate variants in RAB10 in Alzheimer’s disease resilience
– Large-Scale Cognitive GWAS Meta-Analysis Reveals Tissue-Specific Neural Expression and Potential Nootropic Drug Targets
– Pan-cancer analysis of homozygous deletions in primary tumours uncovers rare tumour suppressors
– A large multi-ethnic genome-wide association study identifies novel genetic loci for intraocular pressure

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