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A large nesting colony of Ardeid birds at the Finney-Ramer Wildlife Refuge in Imperial County, California, did not appear to be a focus of West Nile virus (WNV) amplification during the summer of 2004. Blood samples taken during June and July from 155 nestlings of four species of Ardeid birds (cattle egrets, black-crowned night herons, great egrets, and(More)
Non-invasive biological indicators of the absence/presence or progress of the disease that could be used to support diagnosis and to evaluate the effectiveness of treatment are of utmost importance in Duchenne Muscular Dystrophy (DMD). This neuromuscular disorder affects male children, causing weakness and disability, whereas female relatives are at risk of(More)
BACKGROUND Metabolic acidosis is a consequence of chronic renal failure and it may produce bone demineralization, muscle proteolysis, and progression of chronic renal failure. The aim of this study was to evaluate the effects of correction of metabolic acidosis with calcium citrate in an experimental model of renal mass ablation. METHODS Wistar rats were(More)
Carcinomas are widely thought to derive from epithelial cells with malignant progression often associated with an epithelial-mesenchymal transition (EMT). We have characterized tumors generated by spontaneously transformed human mesenchymal cells (TMC) previously obtained in our laboratory. Immunohistopathological analyses identified these tumors as poorly(More)
PURPOSE To explore whether DNA methylation of the mitochondrial transcription factor A (TFAM) promoter is associated with insulin resistance in a sample of adolescents with features of metabolic syndrome. METHODS The data and blood samples were collected from 122 adolescents out of a cross-sectional study of 934 high-school students. The population was(More)
Thyrotropin-releasing hormone (TRH) plays an important role in central cardiovascular regulation. Recently, we described that the TRH precursor gene overexpression induces hypertension in the normal rat. In addition, we published that spontaneously hypertensive rats (SHR) have central extrahypothalamic TRH hyperactivity with increased TRH synthesis and(More)
The aim of this study was to investigate whether mitochondrial DNA (mtDNA) content is associated with insulin resistance (IR) in a sample of adolescents with features of metabolic syndrome. We further studied the link between polymorphisms in three genes involved in mitochondrial biogenesis and the presence of deleted mtDNA and mtDNA content. Data and blood(More)
Thyroid hormones play critical roles in differentiation, growth and metabolism, but their participation in immune system regulation has not been completely elucidated. Modulation of in vivo thyroid status was used to carry out an integrative analysis of the role of the hypothalamus-pituitary-thyroid (HPT) axis in T and B lymphocyte activity. The(More)
We explored peroxisome proliferator-activated receptor-gamma co-activator 1alpha gene (PPARGC1A), peroxisome proliferator-activated receptor-gamma gene (PPARG), and transcription factor A mitochondrial gene (Tfam) promoter DNA methylation in newborns between both extremes of abnormal fetal growth: Small (SGA) and large for gestational age (LGA) in relation(More)
BACKGROUND We previously reported the in vitro spontaneous transformation of human mesenchymal stem cells (MSC) generating a population with tumorigenic potential, that we termed transformed mesenchymal cells (TMC). METHODOLOGY/PRINCIPAL FINDINGS Here we have characterized the molecular changes associated with TMC generation. Using microarrays techniques(More)