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The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells
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| Zeitschriftentitel: | Cancers |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | Cancers, 11, 2019, 11, S. 1720 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
MDPI AG
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| Schlagwörter: |
| author_facet |
Salvati, Annamaria Gigantino, Valerio Nassa, Giovanni Giurato, Giorgio Alexandrova, Elena Rizzo, Francesca Tarallo, Roberta Weisz, Alessandro Salvati, Annamaria Gigantino, Valerio Nassa, Giovanni Giurato, Giorgio Alexandrova, Elena Rizzo, Francesca Tarallo, Roberta Weisz, Alessandro |
|---|---|
| author |
Salvati, Annamaria Gigantino, Valerio Nassa, Giovanni Giurato, Giorgio Alexandrova, Elena Rizzo, Francesca Tarallo, Roberta Weisz, Alessandro |
| spellingShingle |
Salvati, Annamaria Gigantino, Valerio Nassa, Giovanni Giurato, Giorgio Alexandrova, Elena Rizzo, Francesca Tarallo, Roberta Weisz, Alessandro Cancers The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells Cancer Research Oncology |
| author_sort |
salvati, annamaria |
| spelling |
Salvati, Annamaria Gigantino, Valerio Nassa, Giovanni Giurato, Giorgio Alexandrova, Elena Rizzo, Francesca Tarallo, Roberta Weisz, Alessandro 2072-6694 MDPI AG Cancer Research Oncology http://dx.doi.org/10.3390/cancers11111720 <jats:p>Although a large fraction of high-grade serous epithelial ovarian cancers (OCs) expresses Estrogen Receptor alpha (ERα), anti-estrogen-based therapies are still not widely used against these tumors due to a lack of sufficient evidence. The histone methyltransferase Disruptor of telomeric silencing-1-like (DOT1L), which is a modulator of ERα transcriptional activity in breast cancer, controls chromatin functions involved in tumor initiation and progression and has been proposed as a prognostic OC biomarker. As molecular and clinico-pathological data from TCGA suggest a correlation between ERα and DOT1L expression and OC prognosis, the presence and significance of ERα/DOT1L association was investigated in chemotherapy-sensitive and chemotherapy-resistant ER+ OC cells. RNA sequencing before and after inhibition of these factors showed that their activity is implicated in OC cell proliferation and that they functionally cooperate with each other to control the transcription of genes involved in key cancer cell features, such as the cell cycle, epithelial-mesenchymal transition (EMT), drug metabolism, and cell-to-cell signaling, as well as expression of the ERα gene itself. Together with evidence from loss-of-function genetic screens showing that ERα and DOT1L behave as core fitness factors in OC cells, these results suggest that combined inhibition of their activity might be effective against ERα-expressing, chemotherapy-resistant ovarian tumors.</jats:p> The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells Cancers |
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10.3390/cancers11111720 |
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MDPI AG, 2019 |
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| title |
The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_unstemmed |
The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_full |
The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_fullStr |
The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_full_unstemmed |
The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_short |
The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_sort |
the histone methyltransferase dot1l is a functional component of estrogen receptor alpha signaling in ovarian cancer cells |
| topic |
Cancer Research Oncology |
| url |
http://dx.doi.org/10.3390/cancers11111720 |
| publishDate |
2019 |
| physical |
1720 |
| description |
<jats:p>Although a large fraction of high-grade serous epithelial ovarian cancers (OCs) expresses Estrogen Receptor alpha (ERα), anti-estrogen-based therapies are still not widely used against these tumors due to a lack of sufficient evidence. The histone methyltransferase Disruptor of telomeric silencing-1-like (DOT1L), which is a modulator of ERα transcriptional activity in breast cancer, controls chromatin functions involved in tumor initiation and progression and has been proposed as a prognostic OC biomarker. As molecular and clinico-pathological data from TCGA suggest a correlation between ERα and DOT1L expression and OC prognosis, the presence and significance of ERα/DOT1L association was investigated in chemotherapy-sensitive and chemotherapy-resistant ER+ OC cells. RNA sequencing before and after inhibition of these factors showed that their activity is implicated in OC cell proliferation and that they functionally cooperate with each other to control the transcription of genes involved in key cancer cell features, such as the cell cycle, epithelial-mesenchymal transition (EMT), drug metabolism, and cell-to-cell signaling, as well as expression of the ERα gene itself. Together with evidence from loss-of-function genetic screens showing that ERα and DOT1L behave as core fitness factors in OC cells, these results suggest that combined inhibition of their activity might be effective against ERα-expressing, chemotherapy-resistant ovarian tumors.</jats:p> |
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| author | Salvati, Annamaria, Gigantino, Valerio, Nassa, Giovanni, Giurato, Giorgio, Alexandrova, Elena, Rizzo, Francesca, Tarallo, Roberta, Weisz, Alessandro |
| author_facet | Salvati, Annamaria, Gigantino, Valerio, Nassa, Giovanni, Giurato, Giorgio, Alexandrova, Elena, Rizzo, Francesca, Tarallo, Roberta, Weisz, Alessandro, Salvati, Annamaria, Gigantino, Valerio, Nassa, Giovanni, Giurato, Giorgio, Alexandrova, Elena, Rizzo, Francesca, Tarallo, Roberta, Weisz, Alessandro |
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| description | <jats:p>Although a large fraction of high-grade serous epithelial ovarian cancers (OCs) expresses Estrogen Receptor alpha (ERα), anti-estrogen-based therapies are still not widely used against these tumors due to a lack of sufficient evidence. The histone methyltransferase Disruptor of telomeric silencing-1-like (DOT1L), which is a modulator of ERα transcriptional activity in breast cancer, controls chromatin functions involved in tumor initiation and progression and has been proposed as a prognostic OC biomarker. As molecular and clinico-pathological data from TCGA suggest a correlation between ERα and DOT1L expression and OC prognosis, the presence and significance of ERα/DOT1L association was investigated in chemotherapy-sensitive and chemotherapy-resistant ER+ OC cells. RNA sequencing before and after inhibition of these factors showed that their activity is implicated in OC cell proliferation and that they functionally cooperate with each other to control the transcription of genes involved in key cancer cell features, such as the cell cycle, epithelial-mesenchymal transition (EMT), drug metabolism, and cell-to-cell signaling, as well as expression of the ERα gene itself. Together with evidence from loss-of-function genetic screens showing that ERα and DOT1L behave as core fitness factors in OC cells, these results suggest that combined inhibition of their activity might be effective against ERα-expressing, chemotherapy-resistant ovarian tumors.</jats:p> |
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| spelling | Salvati, Annamaria Gigantino, Valerio Nassa, Giovanni Giurato, Giorgio Alexandrova, Elena Rizzo, Francesca Tarallo, Roberta Weisz, Alessandro 2072-6694 MDPI AG Cancer Research Oncology http://dx.doi.org/10.3390/cancers11111720 <jats:p>Although a large fraction of high-grade serous epithelial ovarian cancers (OCs) expresses Estrogen Receptor alpha (ERα), anti-estrogen-based therapies are still not widely used against these tumors due to a lack of sufficient evidence. The histone methyltransferase Disruptor of telomeric silencing-1-like (DOT1L), which is a modulator of ERα transcriptional activity in breast cancer, controls chromatin functions involved in tumor initiation and progression and has been proposed as a prognostic OC biomarker. As molecular and clinico-pathological data from TCGA suggest a correlation between ERα and DOT1L expression and OC prognosis, the presence and significance of ERα/DOT1L association was investigated in chemotherapy-sensitive and chemotherapy-resistant ER+ OC cells. RNA sequencing before and after inhibition of these factors showed that their activity is implicated in OC cell proliferation and that they functionally cooperate with each other to control the transcription of genes involved in key cancer cell features, such as the cell cycle, epithelial-mesenchymal transition (EMT), drug metabolism, and cell-to-cell signaling, as well as expression of the ERα gene itself. Together with evidence from loss-of-function genetic screens showing that ERα and DOT1L behave as core fitness factors in OC cells, these results suggest that combined inhibition of their activity might be effective against ERα-expressing, chemotherapy-resistant ovarian tumors.</jats:p> The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells Cancers |
| spellingShingle | Salvati, Annamaria, Gigantino, Valerio, Nassa, Giovanni, Giurato, Giorgio, Alexandrova, Elena, Rizzo, Francesca, Tarallo, Roberta, Weisz, Alessandro, Cancers, The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells, Cancer Research, Oncology |
| title | The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_full | The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_fullStr | The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_full_unstemmed | The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_short | The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| title_sort | the histone methyltransferase dot1l is a functional component of estrogen receptor alpha signaling in ovarian cancer cells |
| title_unstemmed | The Histone Methyltransferase DOT1L Is a Functional Component of Estrogen Receptor Alpha Signaling in Ovarian Cancer Cells |
| topic | Cancer Research, Oncology |
| url | http://dx.doi.org/10.3390/cancers11111720 |