Neurogenética

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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Bioinformática reclama atención en formación e investigación

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2017 12 13 AITres artículos abordan la importancia de la bioinformática desde perspectivas diversas: su inclusión en las especialidades médicas, los cambios que reclama desde la academia y la financiación, así como su aplicación en la identificación de nuevas dianas en la esclerosis lateral amiotrófica:
– La bioinformática en las especialidades biomédicas: ¿por qué y para qué?
– Computational biologists: moving to the driver’s seat
– Artificial intelligence in neurodegenerative disease research: use of IBM Watson to identify additional RNA-binding proteins altered in amyotrophic lateral sclerosis

Filed under Algoritmos, Bases de datos, Bioinformática, Neurogenética, Polimorfismos by on . Comment. #

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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Realizan disección ómica del cerebro

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2017 12 13 brainDos metodologías de secuenciación fueron aplicadas a más de 60 000 células de tres regiones del sistema nervioso central y mostraron la expresión diferenciada de factores de transcripción, otros elementos reguladores y variantes de riesgo en diversos tipos celulares del cerebro humano. Lea el reporte completo en Lake BB, Chen S, Sos BC, Fan J, Kaeser GE, Yung YC, et al. Integrative single-cell analysis of transcriptional and epigenetic states in the human adult brain. Nature Biotechnology 2017; doi:10.1038/nbt.4038.

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Otros ejemplos de medicina genómica en varias especialidades

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– Exploring the feasibility of delivering standardized genomic care using ophthalmology as an example
– The Exome Clinic and the role of medical genetics expertise in the interpretation of exome sequencing results
– Functional precision cancer medicine—moving beyond pure genomics
– A clinical utility study of exome sequencing versus conventional genetic testing in pediatric neurology

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Nuevas variantes, mutaciones y asociaciones

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– Identification of 153 new loci associated with heel bone mineral density and functional involvement of GPC6 in osteoporosis
– Human venous valve disease caused by mutations in FOXC2 and GJC2
– A biallelic mutation in IL6ST encoding the GP130 co-receptor causes immunodeficiency and craniosynostosis
– The first genome-wide association study identifying new susceptibility loci for obstetric antiphospholipid syndrome
– Genetic Associations with Gestational Duration and Spontaneous Preterm Birth
– A Novel p.Glu298Lys Mutation in the ACMSD Gene in Sporadic Parkinson’s Disease
– Autosomal recessive agammaglobulinemia due to defect in µ heavy chain caused by a novel mutation in the IGHM gene
– Identifying genetic variants that affect viability in large cohorts
– A functional genomics predictive network model identifies regulators of inflammatory bowel disease

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Nuevas variantes, mutaciones y asociaciones

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– Rare coding variants in PLCG2, ABI3, and TREM2 implicate microglial-mediated innate immunity in Alzheimer’s disease
– Genome-wide association meta-analysis of 78,308 individuals identifies new loci and genes influencing human intelligence
– Fifteen new risk loci for coronary artery disease highlight arterial-wall-specific mechanisms
– Large-scale association analysis identifies new lung cancer susceptibility loci and heterogeneity in genetic susceptibility across histological subtypes
– Large-scale GWAS identifies multiple loci for hand grip strength providing biological insights into muscular fitness
– Severe viral respiratory infections in children with IFIH1 loss-of-function mutations
– Transancestral mapping and genetic load in systemic lupus erythematosus
– Rates, distribution and implications of postzygotic mosaic mutations in autism spectrum disorder

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Nuevos estudios de asociación genómica

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– Genome-wide association study implicates immune activation of multiple integrin genes in inflammatory bowel disease
– Exploring the genetic architecture of inflammatory bowel disease by whole-genome sequencing identifies association at ADCY7
– Genome-wide analysis of blood gene expression in migraine implicates immune-inflammatory pathways
– A missense variant in NCF1 is associated with susceptibility to multiple autoimmune diseases
– GLRB allelic variation associated with agoraphobic cognitions, increased startle response and fear network activation: a potential neurogenetic pathway to panic disorder
– Systematic Evaluation of Pleiotropy Identifies 6 Further Loci Associated With Coronary Artery Disease
– 11,670 whole-genome sequences representative of the Han Chinese population from the CONVERGE project
– Commentary: Genome-wide association study identifies 74 loci associated with educational attainment

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Caracterizan mutaciones en trastornos del desarrollo

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2017 02 24 neurodevelop disordersUn extenso estudio en familias de sujetos con trastornos del desarrollo ha identificado 94 genes muy afectados por mutaciones de novo. La frecuencia de estas enfermedades ha sido estimada en 1 por cada 213 a 448 nacimientos, de acuerdo con Deciphering Developmental Disorders Study. Prevalence and architecture of de novo mutations in developmental disorders. Nature 2017; doi:10.1038/nature21062.

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