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Low frequency of CD4+CD25+ Treg in SLE patients: a heritable trait associated w...
Barreto, M.; Ferreira, R.; Lourenço, L.; Moraes-Fontes, M.; Santos, E.; Alves, M.; Carvalho, C.; Martins, B.; Andreia, R.; Viana, J.; Vasconcelos, C.Abstract BACKGROUND: CD4+CD25+ regulatory T cells play an essential role in maintaining immune homeostasis and preventing autoimmunity. Therefore, defects in Treg development, maintenance or function have been associated with several human autoimmune diseases including Systemic Lupus Erythematosus (SLE), a systemic autoimmune disease characterized by loss of tolerance to nuclear components and significantly mor...
Low frequency of CD4+CD25+ Treg in SLE patients: a heritable trait associated w...
Barreto, M.; Ferreira, R.C.; Lourenço, L.; Moraes-Fontes, M.F.; Santos, E.; Alves, M.; Carvalho, C.; Martins, B.; Andreia, R.; Viana, J.F.CD4+CD25+ regulatory T cells play an essential role in maintaining immune homeostasis and preventing autoimmunity. Therefore, defects in Treg development, maintenance or function have been associated with several human autoimmune diseases including Systemic Lupus Erythematosus (SLE), a systemic autoimmune disease characterized by loss of tolerance to nuclear components and significantly more frequent in females...
Linkage disequilibrium and diversity for three genomic regions in Azoreans and ...
Branco, C.C.; Pacheco, P.R.; Cabrol, E.; Cabral, R.; Vicente, A.M.; Mota-Vieira, L.Studies on linkage disequilibrium (LD) across the genome and populations have been used in recent years with the main objective of improving gene mapping of complex traits. Here, we characterize the patterns of genetic diversity of HLA loci and evaluate LD (D') extent in three genomic regions: Xq13.3, NRY and HLA. In addition, we examine the distribution of DXS1225-DXS8082 haplotype diversity in Azoreans and ma...
Low frequency of CD4(+) CD25(+) Treg in SLE patients: a heritable trait associa...
Barreto, M.; Ferreira, RC.; Lourenço, L.; Moraes-Fontes, MF.; Santos, E.; Alves, M.; Carvalho, C.; Martins, B.; Andreia, R.; Viana, JF.; Vasconcelos, C.Background: CD4(+)CD25(+) regulatory T cells play an essential role in maintaining immune homeostasis and preventing autoimmunity. Therefore, defects in Treg development, maintenance or function have been associated with several human autoimmune diseases including Systemic Lupus Erythematosus (SLE), a systemic autoimmune disease characterized by loss of tolerance to nuclear components and significantly more fre...
Epidemiology of autism spectrum disorder in Portugal: prevalence, clinical char...
Oliveira, G.; Ataíde, A.; Marques, C.; Miguel, T.S.; Coutinho, A.M.; Mota-Vieira, L.; Gonçalves, E.; Lopes, N.M.; Rodrigues, V.; Carmona da Mota, H.The objective of this study was to estimate the prevalence of autistic spectrum disorder (ASD) and identify its clinical characterization, and medical conditions in a paediatric population in Portugal. A school survey was conducted in elementary schools, targeting 332,808 school-aged children in the mainland and 10,910 in the Azores islands. Referred children were directly assessed using the Diagnostic and Stat...
MECP2 coding sequence and 3'UTR variation in 172 unrelated autistic patients
Coutinho, A.M.; Oliveira, G.; Katz, C.; Feng, J.; Yan, J.; Yang, C.; Marques, C.; Ataíde, A.; Miguel, T.S.; Borges, L.; Almeida, J.; Correia, C.Mutations in the coding sequence of the methyl-CpG-binding protein 2 gene (MECP2), which cause Rett syndrome (RTT), have been found in male and female autistic subjects without, however, a causal relation having unequivocally been established. In this study, the MECP2 gene was scanned in a Portuguese autistic population, hypothesizing that the phenotypic spectrum of mutations extends beyond the traditional diag...
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