Análise da expressão do TFDP1 no endométrio tópico de \nmulheres com endometriose

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TFDP1 gene expression was significantly higher in the endometrium of women with endometriosis compared to healthy controls.

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The paper studied TFDP1 gene expression in topic endometrium cells from women with deep endometriosis, using real-time PCR on cultured endometrial samples from an endometriosis cell bank (UNIFESP). It compared six endometriosis samples collected from surgical deep endometriosis diagnoses with five control endometrial samples from women without pelvic disease determined by laparoscopy, quantifying results via Ct values and fold change. The authors found significantly different TFDP1 expression, reporting higher TFDP1 expression in endometriosis cells compared with controls (with p<0.05), while explicitly concluding that TFDP1 expression was significantly different in endometriosis versus healthy endometrium. A major limitation is the small sample size (5 controls, 6 cases) and reliance on cultured cells and gene-expression readouts. This paper is centrally about endometriosis — specifically, TFDP1 (E2F-family cell-cycle regulator) expression in the topical endometrium of women with deep endometriosis.

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Abstract

Introduction: one of the researches fields of the ethiopathogenesis of endometriosis aims to identify endometrial disorders as the origin of the disease. Changes in expression of proteins related to cell adhesion, collagenases, and mainly of the cell cycle regulators have been identified. Based on these previous studies we set out to analyze the expression of TFDP1 gene in the endometrium of women with endometriosis. This gene, member of the E2F family encodes several proteins responsible for the control of passage between the G1 and S phase of the cycle, key point of regulation of cell division. Proposition: to evaluate, using Real Time PCR, TFDP1 gene expression in endometrial cells in culture, of women with endometriosis. Methodology: five samples were studied from the endometrium of healthy patients (no pelvic disease determined by means of laparoscopy for tubal ligation) and six patients with diagnosis of deep endometriosis done during surgery. The samples, from the Bank of cells of Endometriosis Unit-UNIFESP, were subjected to PCR-Real Time processing. The results were expressed through the fold and Ct. Results: we observed higher expression of TFDP1 in the cells of women with endometriosis (ct 32,08) when compared with the control group (ct 29,019) (p < 0 .05). And a fold of -2.04674 in the control group compared to the endometriosis (t test 0.01059). Conclusion: We found a significantly higher expression of the TFDP1 gene in the endometrium of women with endometriosis when compared to the same tissue of healthy women.
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Análise da expressão do TFDP1 no endométrio tópico de mulheres com endometriose Data Título da Revista ISSN da Revista Título de Volume Resumo Introduction: one of the researches fields of the ethiopathogenesis of endometriosis aims to identify endometrial disorders as the origin of the disease. Changes in expression of proteins related to cell adhesion, collagenases, and mainly of the cell cycle regulators have been identified. Based on these previous studies we set out to analyze the expression of TFDP1 gene in the endometrium of women with endometriosis. This gene, member of the E2F family encodes several proteins responsible for the control of passage between the G1 and S phase of the cycle, key point of regulation of cell division. Proposition: to evaluate, using Real Time PCR, TFDP1 gene expression in endometrial cells in culture, of women with endometriosis. Methodology: five samples were studied from the endometrium of healthy patients (no pelvic disease determined by means of laparoscopy for tubal ligation) and six patients with diagnosis of deep endometriosis done during surgery. The samples, from the Bank of cells of Endometriosis Unit-UNIFESP, were subjected to PCR-Real Time processing. The results were expressed through the fold and Ct. Results: we observed higher expression of TFDP1 in the cells of women with endometriosis (ct 32,08) when compared with the control group (ct 29,019) (p < 0 .05). And a fold of -2.04674 in the control group compared to the endometriosis (t test 0.01059). Conclusion: We found a significantly higher expression of the TFDP1 gene in the endometrium of women with endometriosis when compared to the same tissue of healthy women. Introdução: Dentre as linhas de estudo que procuram identificar mecanismos relacionados à etiopatogenia da endometriose os que remetem a origem da doença a distúrbios no endométrio tópico vem se destacando. Alterações na expressão de proteínas de adesão, colagenases, e principalmente no ciclo celular já foram identificadas. Frente a isto nos propusemos a analisar a expressão do gene TFDP1 no endométrio de mulheres com endometriose. Este gene, pertencente à família E2F, codifica diversas proteínas responsáveis pelo controle da passagem entre a fase G1 e S do ciclo, ponto fundamental da regulação da divisão celular. Proposição: Avaliar, por meio de PCR Real Time, a expressão do gene TFDP1 em células endometriais, em cultivo, de mulheres com endometriose profunda. Metodologia: Foram estudadas cinco amostras de endométrio de pacientes saudáveis (sem afecção pélvica determinada por meio de laparoscopia para ligadura tubária) e seis de pacientes com diagnóstico de endometriose profunda, feito por meio de laparoscopia recuperadas do banco de células do Setor de Endometriose - UNIFESP. As amostras foram submetidas a processamento para realização da técnica de PCR Real Time. Os resultados foram avaliados por meio de diferença da expressão gênica (fold change) e o threshold cycle (Ct). Resultados: Observamos maior expressão do TFDP1 nas células de mulheres com endometriose (ct = 32,08) quando comparadas com as do grupo controle (ct=29,91) (p<0,05) e fold de -2,046 do grupo controle em relação ao de endometriose (t test 0,010). Conclusão: Observamos expressão, significativamente menor do gene TFDP1 no endométrio de mulheres com endometriose quando comparado ao mesmo tecido de mulheres saudáveis. Introdução: Dentre as linhas de estudo que procuram identificar mecanismos relacionados à etiopatogenia da endometriose os que remetem a origem da doença a distúrbios no endométrio tópico vem se destacando. Alterações na expressão de proteínas de adesão, colagenases, e principalmente no ciclo celular já foram identificadas. Frente a isto nos propusemos a analisar a expressão do gene TFDP1 no endométrio de mulheres com endometriose. Este gene, pertencente à família E2F, codifica diversas proteínas responsáveis pelo controle da passagem entre a fase G1 e S do ciclo, ponto fundamental da regulação da divisão celular. Proposição: Avaliar, por meio de PCR Real Time, a expressão do gene TFDP1 em células endometriais, em cultivo, de mulheres com endometriose profunda. Metodologia: Foram estudadas cinco amostras de endométrio de pacientes saudáveis (sem afecção pélvica determinada por meio de laparoscopia para ligadura tubária) e seis de pacientes com diagnóstico de endometriose profunda, feito por meio de laparoscopia recuperadas do banco de células do Setor de Endometriose - UNIFESP. As amostras foram submetidas a processamento para realização da técnica de PCR Real Time. Os resultados foram avaliados por meio de diferença da expressão gênica (fold change) e o threshold cycle (Ct). Resultados: Observamos maior expressão do TFDP1 nas células de mulheres com endometriose (ct = 32,08) quando comparadas com as do grupo controle (ct=29,91) (p<0,05) e fold de -2,046 do grupo controle em relação ao de endometriose (t test 0,010). Conclusão: Observamos expressão, significativamente menor do gene TFDP1 no endométrio de mulheres com endometriose quando comparado ao mesmo tecido de mulheres saudáveis. Descrição Citação JIBRIM, Rodrigo Lopes Meime. Análise da expressão do TFDP1 no endométrio tópico de mulheres com endometriose. 2016. 50 f. Dissertação (Mestrado em Medicina: Ginecologia) - Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, 2016.

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