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1.
Int J Dev Disabil ; 65(1): 49-57, 2017 Aug 13.
Article in English | MEDLINE | ID: mdl-34141323

ABSTRACT

Objective: The evaluation of individual and organizational quality of life through the Guide to Quality-of-Life Indicators and its promotion in English-speaking areas. This guide was initially designed for people living with Autism Spectrum Disorder in specialist autism centers in Spanish and Italian-speaking areas where its effectiveness has been validated. Method: The Delphi technique is applied to the design of a qualitative investigation, with expert validation for the adaptation to English-speaking areas. Results: The results have facilitated the adaptation and validation of the tool, which has 68 indicators grouped into six areas, for its application in both the planning and the evaluation processes of organizations and support services in English-speaking areas. Conclusion: The adaptation of the questionnaire on QoL indicators for people with ASD is a reliable service-provision tool intended to assess integrated programs and to improve them throughout their life-cycles; this aim is approached from the objective perspective and through a subjective evaluation. The Guide will require further updating and review procedures as new needs and contexts emerge.

2.
Autism Res ; 7(1): 162-6, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24249596

ABSTRACT

Autism spectrum disorders (ASD) can be conceptualized as a genetic dysfunction that disrupts development and function of brain circuits mediating social cognition and language. At least some forms of ASD may be associated with high level of excitation in neural circuits, and gamma-aminobutyric acid (GABA) has been implicated in its etiology. Single-nucleotide polymorphisms (SNP) located within the GABA receptor (GABAR) subunit genes GABRA1, GABRG2, GABRB3, and GABRD were screened. A hundred and thirty-six Argentinean ASD patients and 150 controls were studied, and the contribution of the SNPs in the etiology of ASD was evaluated independently and/or through gene-gene interaction using multifactor dimensionality reduction (MDR) method. From the 18 SNP studied, 11 were not present in our Argentinean population (patients and controls) and 1 SNP had minor allele frequency < 0.1%. For the remaining six SNPs, none provided statistical significant association with ASD when considering allelic or genotypic frequencies. Non-significant association with ASD was found for the haplotype analysis. MDR identified evidence for synergy between markers in GABRB3 (chromosome 15) and GABRD (chromosome 1), suggesting potential gene-gene interaction across chromosomes associated with increased risk for autism (testing balanced accuracy: 0.6081 and cross-validation consistency: 10/10, P < 0.001). Considering our Argentinean ASD sample, it can be inferred that GABRB3 would be involved in the etiology of autism through interaction with GABRD. These results support the hypothesis that GABAR subunit genes are involved in autism, most likely via complex gene-gene interactions.


Subject(s)
Child Development Disorders, Pervasive/genetics , Genetic Markers/genetics , Genetics, Population , Protein Subunits/genetics , Receptors, GABA-A/genetics , Child , Epistasis, Genetic/genetics , Gene Frequency , Genetic Predisposition to Disease , Genotype , Haplotypes , Humans , Multifactor Dimensionality Reduction , Polymorphism, Single Nucleotide/genetics , Reference Values
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