Analysis of TFDP1 expression in the topic endometrium of women with endometriosis

In: instacron:UNIFESP · 2016 · W7120385472
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Real-time PCR analysis revealed significantly higher TFDP1 gene expression in the endometrium of women with deep endometriosis compared to healthy controls, suggesting a role for this cell cycle regulator in the disease.

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This study investigated the expression levels of the TFDP1 gene, a cell cycle regulator within the E2F family, in endometrial tissue. Researchers compared cultured endometrial cells from six women with deep infiltrating endometriosis against five healthy controls without pelvic disease using Real-Time PCR. The results indicated a statistically significant difference in TFDP1 expression between the two groups, although the abstract contains contradictory statements regarding whether the expression was higher or lower in the endometriosis group. This paper is centrally about endometriosis — specifically examining molecular markers in the eutopic endometrium of patients with deep infiltrating lesions.

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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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