Gasdermin-B promotes invasion and metastasis in breast cancer cells.
Gasdermin B (GSDMB) belongs to the Gasdermin protein family that comprises four members (GSDMA-D). Gasdermin B expression has been detected in some tumor types such as hepatocarcinomas, gastric and cervix cancers; and its over-expression has been related to tumor progression. At least four splicing...
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2014
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oai:doaj.org-article:c331455953aa4990afc537611bcc72402021-11-18T08:25:56ZGasdermin-B promotes invasion and metastasis in breast cancer cells.1932-620310.1371/journal.pone.0090099https://doaj.org/article/c331455953aa4990afc537611bcc72402014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24675552/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Gasdermin B (GSDMB) belongs to the Gasdermin protein family that comprises four members (GSDMA-D). Gasdermin B expression has been detected in some tumor types such as hepatocarcinomas, gastric and cervix cancers; and its over-expression has been related to tumor progression. At least four splicing isoforms of GSDMB have been identified, which may play differential roles in cancer. However, the implication of GSDMB in carcinogenesis and tumor progression is not well understood. Here, we uncover for the first time the functional implication of GSDMB in breast cancer. Our data shows that high levels of GSDMB expression is correlated with reduced survival and increased metastasis in breast cancer patients included in an expression dataset (>1,000 cases). We demonstrate that GSDMB is upregulated in breast carcinomas compared to normal breast tissue, being the isoform 2 (GSDMB-2) the most differentially expressed. In order to evaluate the functional role of GSDMB in breast cancer two GSDMB isoforms were studied (GSDMB-1 and GSDMB-2). The overexpression of both isoforms in the MCF7 breast carcinoma cell line promotes cell motility and invasion, while its silencing in HCC1954 breast carcinoma cells decreases the migratory and invasive phenotype. Importantly, we demonstrate that both isoforms have a differential role on the activation of Rac-1 and Cdc-42 Rho-GTPases. Moreover, our data support that GSMDB-2 induces a pro-tumorigenic and pro-metastatic behavior in mouse xenograft models as compared to GSDMB-1. Finally, we observed that although both GSDMB isoforms interact in vitro with the chaperone Hsp90, only the GSDMB-2 isoform relies on this chaperone for its stability. Taken together, our results provide for the first time evidences that GSDMB-2 induces invasion, tumor progression and metastasis in MCF7 cells and that GSDMB can be considered as a new potential prognostic marker in breast cancer.Marta Hergueta-RedondoDavid SarrióÁngela Molina-CrespoDiego MegiasAlba MotaAlejandro Rojo-SebastianPablo García-SanzSaleta MoralesSandra AbrilAmparo CanoHéctor PeinadoGema Moreno-BuenoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 3, p e90099 (2014) |
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Medicine R Science Q |
| spellingShingle |
Medicine R Science Q Marta Hergueta-Redondo David Sarrió Ángela Molina-Crespo Diego Megias Alba Mota Alejandro Rojo-Sebastian Pablo García-Sanz Saleta Morales Sandra Abril Amparo Cano Héctor Peinado Gema Moreno-Bueno Gasdermin-B promotes invasion and metastasis in breast cancer cells. |
| description |
Gasdermin B (GSDMB) belongs to the Gasdermin protein family that comprises four members (GSDMA-D). Gasdermin B expression has been detected in some tumor types such as hepatocarcinomas, gastric and cervix cancers; and its over-expression has been related to tumor progression. At least four splicing isoforms of GSDMB have been identified, which may play differential roles in cancer. However, the implication of GSDMB in carcinogenesis and tumor progression is not well understood. Here, we uncover for the first time the functional implication of GSDMB in breast cancer. Our data shows that high levels of GSDMB expression is correlated with reduced survival and increased metastasis in breast cancer patients included in an expression dataset (>1,000 cases). We demonstrate that GSDMB is upregulated in breast carcinomas compared to normal breast tissue, being the isoform 2 (GSDMB-2) the most differentially expressed. In order to evaluate the functional role of GSDMB in breast cancer two GSDMB isoforms were studied (GSDMB-1 and GSDMB-2). The overexpression of both isoforms in the MCF7 breast carcinoma cell line promotes cell motility and invasion, while its silencing in HCC1954 breast carcinoma cells decreases the migratory and invasive phenotype. Importantly, we demonstrate that both isoforms have a differential role on the activation of Rac-1 and Cdc-42 Rho-GTPases. Moreover, our data support that GSMDB-2 induces a pro-tumorigenic and pro-metastatic behavior in mouse xenograft models as compared to GSDMB-1. Finally, we observed that although both GSDMB isoforms interact in vitro with the chaperone Hsp90, only the GSDMB-2 isoform relies on this chaperone for its stability. Taken together, our results provide for the first time evidences that GSDMB-2 induces invasion, tumor progression and metastasis in MCF7 cells and that GSDMB can be considered as a new potential prognostic marker in breast cancer. |
| format |
article |
| author |
Marta Hergueta-Redondo David Sarrió Ángela Molina-Crespo Diego Megias Alba Mota Alejandro Rojo-Sebastian Pablo García-Sanz Saleta Morales Sandra Abril Amparo Cano Héctor Peinado Gema Moreno-Bueno |
| author_facet |
Marta Hergueta-Redondo David Sarrió Ángela Molina-Crespo Diego Megias Alba Mota Alejandro Rojo-Sebastian Pablo García-Sanz Saleta Morales Sandra Abril Amparo Cano Héctor Peinado Gema Moreno-Bueno |
| author_sort |
Marta Hergueta-Redondo |
| title |
Gasdermin-B promotes invasion and metastasis in breast cancer cells. |
| title_short |
Gasdermin-B promotes invasion and metastasis in breast cancer cells. |
| title_full |
Gasdermin-B promotes invasion and metastasis in breast cancer cells. |
| title_fullStr |
Gasdermin-B promotes invasion and metastasis in breast cancer cells. |
| title_full_unstemmed |
Gasdermin-B promotes invasion and metastasis in breast cancer cells. |
| title_sort |
gasdermin-b promotes invasion and metastasis in breast cancer cells. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2014 |
| url |
https://doaj.org/article/c331455953aa4990afc537611bcc7240 |
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