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Journals and Conferences
The role of HLA-G in several clinical conditions related to reproduction has been investigated. Important polymorphisms have been found within the 5'URR and 3'UTR regions of the HLA-G promoter. The aim of the present study was to investigate 16 SNPs in the 5'URR and 14-bp insertion/deletion (ins/del) polymorphism located in the 3'UTR region of the HLA-G… (More)
Human leukocyte antigen (HLA)-G expression is restricted, expressed on trophoblast, with a major role in fetus acceptance. In addition to the 46 HLA-G alleles, the presence or absence of a 14 bp polymorphism located in the 3' UTR contributes to gene polymorphism that may influence both HLA-G mRNA stability and HLA-G isoform's splicing and consequently could… (More)
PROBLEM Natural killer (NK) cells are regulated through NK cell receptors such as killer cell immunoglobulin-like receptors (KIRs). KIRs are suspected of being involved in the causes of recurrent miscarriage (RM) as a higher proportion of activated NK cells were observed in women with RM when compared with that in controls. The aim of this study was to… (More)
A high proportion of human recurrent spontaneous abortions (RSA) remain unexplained. The possible association between RSA and different genetic polymorphisms within the human leucocyte antigen system (HLA system, the human major histocompatibility complex) has been investigated with conflicting results since many decades. Here, we describe a case-control… (More)
The new human leukocyte antigen (HLA) class I allele, HLA-A*0355 was identified in a Brazilian family. Our sequence analysis detected a mismatch located in exon 2, codon 86, at position 258 (C-->A) that results in a nonsilent and nonconservative substitution with the replacement of asparagine by lysine. Substitutions located at this oligosaccharide… (More)
Here we report the discovery of a novel HLA-B allele, named B*4212 in a Brazilian volunteer bone marrow donor. The new sequence has nucleotide variation at position 496 (T→G) as compared with B*4201. This variation results in a conservative amino acid substitution from valine to glycine at codon 165 of exon 3.
A novel human leukocyte antigen-B allele named B*18:35 was identified in a Brazilian volunteer bone marrow donor.