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Carcinoid tumors: echocardiographic contribution to the diagnosis.
Amador, Pedro; Mendes, Lígia; Gonçalves, Sara; Santos, José Ferreira; Seixo, Filipe; Parreira, Leonor; Soares, LuísCarcinoid tumors are rare, most commonly originating from the neuroendocrine cells in the gastrointestinal tract. Carcinoid syndrome is characterized by flushing, diarrhea, and bronchospasm. Half of these patients have carcinoid heart disease, affecting the right side of the heart, causing tricuspid and pulmonary regurgitation and stenosis and subsequently right heart failure.73-year-old female was admitted wit...
Expression of the bacterial recA gene impairs genetic recombination and sporula...
Morais Junior, Marcos Antonio de; Santos, Jose Ferreira dos; Henriques, Joao Antonio PegasThe Escherichia coli RecA protein (RecAp) has been demonstrated to induce mutagenesis in yeast cells, although there is still little information on the role of the RecAp in yeast recombination events. We evaluated spontaneous and induced general recombination in vegetative and meiotic cells of the XS2316 strain of the yeast Saccharomyces cerevisiae bearing the recA gene. We found that RecAp decreased reciprocal...
Expression of the bacterial recA gene impairs genetic recombination and sporula...
Morais Junior,Marcos Antonio de; Santos,José Ferreira dos; Henriques,João Antonio PegasThe Escherichia coli RecA protein (RecAp) has been demonstrated to induce mutagenesis in yeast cells, although there is still little information on the role of the RecAp in yeast recombination events. We evaluated spontaneous and induced general recombination in vegetative and meiotic cells of the XS2316 strain of the yeast Saccharomyces cerevisiae bearing the recA gene. We found that RecAp decreased reciprocal...
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