The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes
Molecular subtype (MS) is one of the most used classifications of breast cancer (BC). Four MSs are widely accepted according to receptor expression of estrogen, progesterone, and HER2. The impact of adipose tissue on BC MS metabolic impairment is still unclear. The present work aims to elucidate the...
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| Format: | Article |
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MDPI AG
2023-08-01
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| Series: | Cells |
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| Online Access: | https://www.mdpi.com/2073-4409/12/17/2123 |
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| author | Carla Luís Bárbara Guerra-Carvalho Patrícia C. Braga Carla Guedes Emília Patrício Marco G. Alves Ruben Fernandes Raquel Soares |
| author_facet | Carla Luís Bárbara Guerra-Carvalho Patrícia C. Braga Carla Guedes Emília Patrício Marco G. Alves Ruben Fernandes Raquel Soares |
| author_sort | Carla Luís |
| collection | DOAJ |
| description | Molecular subtype (MS) is one of the most used classifications of breast cancer (BC). Four MSs are widely accepted according to receptor expression of estrogen, progesterone, and HER2. The impact of adipose tissue on BC MS metabolic impairment is still unclear. The present work aims to elucidate the metabolic alterations in breast cancer cell lines representing different MSs subjected to adipocyte associated factors. Preadipocytes isolated from human subcutaneous adipose tissue were differentiated into mature adipocytes. MS representative cell lines were exposed to mature adipocyte secretome. Extracellular medium was collected for metabolomics and RNA was extracted to evaluate enzymatic expression by RT-PCR. Adipocyte secretome exposure resulted in a decrease in the Warburg effect rate and an increase in cholesterol release. HER2+ cell lines (BT-474 and SK-BR-3) exhibited a similar metabolic pattern, in contrast to luminal A (MCF-7) and triple negative (TN) (MDA-MB-231), both presenting identical metabolisms. Anaplerosis was found in luminal A and TN representative cells, whereas cataplerotic reactions were likely to occur in HER2+ cell lines. Our results indicate that adipocyte secretome affects the central metabolism distinctly in each BC MS representative cell line. |
| first_indexed | 2024-03-10T23:25:29Z |
| format | Article |
| id | doaj.art-24352d2e1f1a42839435e0f40a7bef0f |
| institution | Directory Open Access Journal |
| issn | 2073-4409 |
| language | English |
| last_indexed | 2024-03-10T23:25:29Z |
| publishDate | 2023-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Cells |
| spelling | doaj.art-24352d2e1f1a42839435e0f40a7bef0f2023-11-19T07:57:35ZengMDPI AGCells2073-44092023-08-011217212310.3390/cells12172123The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer SubtypesCarla Luís0Bárbara Guerra-Carvalho1Patrícia C. Braga2Carla Guedes3Emília Patrício4Marco G. Alves5Ruben Fernandes6Raquel Soares7Biochemistry Unit, Biomedicine Department, FMUP—Faculty of Medicine, University of Porto, 4200-450 Porto, PortugalClinical and Experimental Endocrinology, UMIB—Unit for Multidisciplinary Research in Biomedicine, ICBAS—School of Medicine and Biomedical Sciences, University of Porto, 4050-313 Porto, PortugalClinical and Experimental Endocrinology, UMIB—Unit for Multidisciplinary Research in Biomedicine, ICBAS—School of Medicine and Biomedical Sciences, University of Porto, 4050-313 Porto, PortugalT-BIO—Center for Translational Health and Medical Biotechnology Research, 4200-072 Porto, PortugalDepartment of Clinical Pathology, São João Hospital Centre, 4200-319 Porto, PortugalClinical and Experimental Endocrinology, UMIB—Unit for Multidisciplinary Research in Biomedicine, ICBAS—School of Medicine and Biomedical Sciences, University of Porto, 4050-313 Porto, PortugalFCS/HEFP/UFP—Faculty of Health Sciences, Fernando Pessoa University, Fernando Pessoa Teaching Hospital, 4249-004 Porto, PortugalBiochemistry Unit, Biomedicine Department, FMUP—Faculty of Medicine, University of Porto, 4200-450 Porto, PortugalMolecular subtype (MS) is one of the most used classifications of breast cancer (BC). Four MSs are widely accepted according to receptor expression of estrogen, progesterone, and HER2. The impact of adipose tissue on BC MS metabolic impairment is still unclear. The present work aims to elucidate the metabolic alterations in breast cancer cell lines representing different MSs subjected to adipocyte associated factors. Preadipocytes isolated from human subcutaneous adipose tissue were differentiated into mature adipocytes. MS representative cell lines were exposed to mature adipocyte secretome. Extracellular medium was collected for metabolomics and RNA was extracted to evaluate enzymatic expression by RT-PCR. Adipocyte secretome exposure resulted in a decrease in the Warburg effect rate and an increase in cholesterol release. HER2+ cell lines (BT-474 and SK-BR-3) exhibited a similar metabolic pattern, in contrast to luminal A (MCF-7) and triple negative (TN) (MDA-MB-231), both presenting identical metabolisms. Anaplerosis was found in luminal A and TN representative cells, whereas cataplerotic reactions were likely to occur in HER2+ cell lines. Our results indicate that adipocyte secretome affects the central metabolism distinctly in each BC MS representative cell line.https://www.mdpi.com/2073-4409/12/17/2123breast cancerobesitymolecular subtypecancer cell metabolismWarburg effectcell culture |
| spellingShingle | Carla Luís Bárbara Guerra-Carvalho Patrícia C. Braga Carla Guedes Emília Patrício Marco G. Alves Ruben Fernandes Raquel Soares The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes Cells breast cancer obesity molecular subtype cancer cell metabolism Warburg effect cell culture |
| title | The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes |
| title_full | The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes |
| title_fullStr | The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes |
| title_full_unstemmed | The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes |
| title_short | The Influence of Adipocyte Secretome on Selected Metabolic Fingerprints of Breast Cancer Cell Lines Representing the Four Major Breast Cancer Subtypes |
| title_sort | influence of adipocyte secretome on selected metabolic fingerprints of breast cancer cell lines representing the four major breast cancer subtypes |
| topic | breast cancer obesity molecular subtype cancer cell metabolism Warburg effect cell culture |
| url | https://www.mdpi.com/2073-4409/12/17/2123 |
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