J A Boquett

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The p53 protein is known for performing essential functions in the maintenance of genomic stability in somatic cells and prevention of tumor formation. Studies of the p53 signaling pathway have suggested associations between some polymorphisms and infertility, post-in vitro fertilization implantation failure and recurrent abortions. The TP53 Pro72Arg(More)
The chimeric oncogene BCR/ABL, which is the product of reciprocal translocation between chromosomes 9 and 22, is a known molecular marker of chronic myeloid leukemia (CML), and is related to the major factors involved in leukemogenesis. Some previous studies have also reported the presence of this oncogene in peripheral blood cells of healthy individuals.(More)
The p53 family and its regulatory pathway play an important role as regulators of developmental processes, limiting the propagation of aneuploid cells. Its dysfunction or imbalance can lead to pathological abnormalities in humans. The aim of this study was to evaluate the effect of maternal polymorphisms TP53 c.215G>C (P72R), TP73 4 c.-30G>A and 14(More)
The Brazil Ministry of Health maintains a Registry of Bone Marrow Donors that corresponds to approximately 12% of the Bone Marrow Donors Worldwide registry. This registry contains information on ethnicity (by self-assessment of color) and HLA-A, -B, and -DRB1 type. The self-assessment of color tool has been extensively used for admixed population(More)
OBJECTIVE Recent studies have investigated the role of the p53 gene family in reproductive processes. Each member of the gene family acts through different mechanisms: p53 is involved in genomic stability and regulation of blastocyst implantation; p63 acts as a regulator of the quality and maturation of oocytes; and p73 controls the meiotic spindle.(More)
In a recent study published in The Lancet Haematology, Jules Heuberger and colleagues1 suggested that the use of recombinant human erythropoietin (rHuEPO) did not affect road race performance in a sample of amateur cyclists. This finding was surprising, since it is generally assumed that increased red blood cell mass would benefit endurance sports. Their(More)
Preeclampsia (PE) is one of the most impactful hypertensive diseases during pregnancy, being responsible for almost 25% of maternal deaths in Latin America [1]. Its etiology and pathogenesis involve a combination of maternal-fetal genetic and immunological factors [2]. This disease is often related to predisposing disorders, such as chronic hypertension,(More)
Human leukocyte antigen (HLA) genes are very informative in population genetics studies and their variability has been widely used to reconstruct the history of geographic and/or demographic expansions of human populations. The characterization of HLA diversity at the population level is also fundamental in clinical studies, particularly for bone marrow(More)
Recurrent pregnancy loss (RPL) affects ~3-5% of couples attempting to conceive and in around 50% of cases the aetiology remains unknown. Adequate vascularisation and placental circulation are indispensable for the development of a normal pregnancy. Prostaglandin-endoperoxide synthase 2 (PTGS2), vascular endothelial growth factor (VEGF) and the nitric oxide(More)
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