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Array-comparative genomic hybridization as a novel high-throughput approach in ...

Neves, AR; Abrantes, AM; Ribeiro, IP; Marques, IA; Marques, V; Tavares da Silva, E; Carreira, IM; Figueiredo, A; Botelho, MF


Early detection and personalized treatment in oral cancer: the impact of omics ...

Ribeiro, IP; Barroso, L; Marques, F; Melo, JB; Carreira, IM

BACKGROUND: Oral cancer is one of the most common malignant lesions of the head and neck. This cancer is an aggressive and lethal disease with no significant improvements in the overall survival in the last decades. Moreover, the incidence of oral HPV-positive tumors is rising, especially in young people. This oral neoplasm develops through numerous molecular imbalances that affect key genes and signaling pathw...


Newborn Urinary Metabolic Signatures of Prematurity and Other Disorders: A Case...

Diaz, SO; Pinto, JJ; Barros, AS; Morais, E; Duarte, D; Negrão, F; Pita, C; Almeida, MC; Carreira, IM; Spraul, M; Gil, AM

This work assesses the urinary metabolite signature of prematurity in newborns by nuclear magnetic resonance (NMR) spectroscopy, while establishing the role of possible confounders and signature specificity, through comparison to other disorders. Gender and delivery mode are shown to impact importantly on newborn urine composition, their analysis pointing out at specific metabolite variations requiring consider...


NMR metabolomics of human lung tumours reveals distinct metabolic signatures fo...

Rocha, CM; Barros, AS; Goodfellow, BJ; Carreira, IM; Gomes, AA; Sousa, V; Bernardo, J; Carvalho, L; Gil, AM; Duarte, IF

Lung tumour subtyping, particularly the distinction between adenocarcinoma (AdC) and squamous cell carcinoma (SqCC), is a critical diagnostic requirement. In this work, the metabolic signatures of lung carcinomas were investigated through (1)H NMR metabolomics, with a view to provide additional criteria for improved diagnosis and treatment planning. High Resolution Magic Angle Spinning Nuclear Magnetic Resonanc...


Copy number variants prioritization after array-CGH analysis - a cohort of 1000...

Carreira, IM; Ferreira, SI; Matoso, E; Pires, LM; Ferrão, J; Jardim, A; Mascarenhas, A; Pinto, M; Lavoura, N; Pais, C; Paiva, P; Simões, L; Caramelo, F

Array-based comparative genomic hybridization has been assumed to be the first genetic test offered to detect genomic imbalances in patients with unexplained intellectual disability with or without dysmorphisms, multiple congenital anomalies, learning difficulties and autism spectrum disorders. Our study contributes to the genotype/phenotype correlation with the delineation of laboratory criteria which help to ...


Interstitial 287 kb deletion of 4p16.3 including FGFRL1 gene associated with la...

Matoso, E; Ramos, F; Ferrão, J; Pires, LM; Mascarenhas, A; Melo, JB; Carreira, IM

We report a male patient with developmental delay carrying an interstitial 4p16.3 deletion of 287 kb, disclosed by oligo array-CGH and inherited from his father with a similar but milder phenotype. This deletion is distal to the Wolf-Hirschhorn syndrome critical regions, but includes the FGFRL1 gene proposed to be a plausible candidate for part of the craniofacial characteristics of Wolf-Hirschhorn syndrome pat...


Inv21p12q22del21q22 and intellectual disability

Oliveira, R; Dória, S; Madureira, C; Lima, V; Almeida, C; Pinho, MJ; Ramalho, C; Matoso, E; Barros, A; Carreira, IM; Moura, CP

Chromosomal rearrangements are common in humans. Pericentric inversions are among the most frequent aberrations (1-2%). Most inversions are balanced and do not cause problems in carriers unless one of the breakpoints disrupts important functional genes, has near submicroscopic copy number variants or hosts "cryptic" complex chromosomal rearrangements. Pericentric inversions can lead to imbalance in offspring. L...


Molecular cytogenetic characterisation of a mosaic add(12)(p13.3) with an inv d...

Carreira, IM; Melo, JB; Rodrigues, C; Backx, L; Vermeesch, J; Weise, A; Kosyakova, N; Oliveira, G; Matoso, E

BACKGROUND: Inverted duplications (inv dup) of a terminal chromosome region are a particular subset of rearrangements that often results in partial tetrasomy or partial trisomy when accompanied by a deleted chromosome. Associated mosaicism could be the consequence of a post-zygotic event or could result from the correction of a trisomic conception. Tetrasomies of distal segments of the chromosome 3q are rare ge...


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