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Rocha-Vieira TC, Lacerda-Abreu MA, Carvalho-Kelly LF, Santos-Araújo S, Gondim KC, Meyer-Fernandes JR. Comparative characterisation of an ecto-5'-nucleotidase (CD73) in non-tumoral MCF10-A breast cells and triple-negative MDA-MB-231 breast cancer cells. Cell Biol Int 2024. [PMID: 38894528 DOI: 10.1002/cbin.12202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024]
Abstract
Ecto-5'-nucleotidase (CD73) hydrolyses 5'AMP to adenosine and inorganic phosphate. Breast cancer cells (MDA-MB-231) express high CD73 levels, and this enzyme has been found to play a tumour-promoting role in breast cancer. However, no studies have sought to investigate whether CD73 has differential affinity or substrate preferences between noncancerous and cancerous breast cells. In the present study, we aimed to biochemically characterise ecto-5'-nucleotidase in breast cancer cell lines and assess whether its catalytic function and tumour progression are correlated in breast cancer cells. The results showed that compared to nontumoral breast MCF-10A cells, triple-negative breast cancer MDA-MB-231 cells had a higher ecto-5'-nucleotidase expression level and enzymatic activity. Although ecto-5'-nucleotidase activity in the MDA-MB-231 cell line showed no selectivity among monophosphorylated substrates, 5'AMP was preferred by the MCF-10A cell line. Compared to the MCF-10A cell line, the MDA-MB-231 cell line has better hydrolytic ability, lower substrate affinity, and high inhibitory potential after treatment with a specific CD73 inhibitor α,β‑methylene ADP (APCP). Therefore, we demonstrated that a specific inhibitor of the ecto-5-nucleotidase significantly reduced the migratory and invasive capacity of MDA-MB-231 cells, suggesting that ecto-5-nucleotidase activity might play an important role in metastatic progression.
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Affiliation(s)
- Thais Cristino Rocha-Vieira
- Centro de Ciências da Saúde, Instituto de Bioquímica Médica Leopoldo De Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marco Antonio Lacerda-Abreu
- Centro de Ciências da Saúde, Instituto de Bioquímica Médica Leopoldo De Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiz Fernando Carvalho-Kelly
- Centro de Ciências da Saúde, Instituto de Bioquímica Médica Leopoldo De Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Samara Santos-Araújo
- Centro de Ciências da Saúde, Instituto de Bioquímica Médica Leopoldo De Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Katia C Gondim
- Centro de Ciências da Saúde, Instituto de Bioquímica Médica Leopoldo De Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular-INCT-EM/CNPq, Rio de Janeiro, Rio de Janeiro, Brazil
| | - José Roberto Meyer-Fernandes
- Centro de Ciências da Saúde, Instituto de Bioquímica Médica Leopoldo De Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagem-INCT-BEB/CNPq, Rio de Janeiro, Rio de Janeiro, Brazil
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2
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Lacerda-Abreu MA, Meyer-Fernandes JR. Elevated extracellular inorganic phosphate inhibits ecto-phosphatase activity in breast cancer cells: Regulation by hydrogen peroxide. Cell Biol Int 2024; 48:162-173. [PMID: 37818706 DOI: 10.1002/cbin.12095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 09/18/2023] [Accepted: 09/30/2023] [Indexed: 10/12/2023]
Abstract
For cells to obtain inorganic phosphate, ectoenzymes in the plasma membrane, which contain a catalytic site facing the extracellular environment, hydrolyze phosphorylated molecules. In this study, we show that increased Pi levels in the extracellular environment promote a decrease in ecto-phosphatase activity, which is associated with Pi-induced oxidative stress. High levels of Pi inhibit ecto-phosphatase because Pi generates H2 O2 . Ecto-phosphatase activity is inhibited by H2 O2 , and this inhibition is selective for phospho-tyrosine hydrolysis. Additionally, it is shown that the mechanism of inhibition of ecto-phosphatase activity involves lipid peroxidation. In addition, the inhibition of ecto-phosphatase activity by H2 O2 is irreversible. These findings have new implications for understanding ecto-phosphatase regulation in the tumor microenvironment. H2 O2 stimulated by high Pi inhibits ecto-phosphatase activity to prevent excessive accumulation of extracellular Pi, functioning as a regulatory mechanism of Pi variations in the tumor microenvironment.
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Affiliation(s)
- Marco A Lacerda-Abreu
- Instituto de Bioquímica Médica Leopoldo De Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - José R Meyer-Fernandes
- Instituto de Bioquímica Médica Leopoldo De Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
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Oliveira MEC, Torres GSV, Franklin RG, Gomes KAL, Nóbrega WFS, Fernandes TP, Santos NA. Cognitive impairments associated with chemotherapy in women with breast cancer: a meta-analysis and meta-regression. Braz J Med Biol Res 2023; 56:e12947. [PMID: 37851791 PMCID: PMC10578133 DOI: 10.1590/1414-431x2023e12947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 08/19/2023] [Indexed: 10/20/2023] Open
Abstract
Chemotherapy is one of the most widely used treatments for breast cancer (BC). However, there is evidence of side effects like cognitive changes related to the chemotherapy treatment. The aim of the study was not only to summarize the existing evidence on the relationship between chemotherapy and cognitive performance in women with BC but also to identify additional consequences and aspects associated with these impairments. We conducted a systematic review with meta-analysis and meta-regression to present updated information on the matter. We retrieved data from the databases PubMed, Web of Science, PsycINFO, CINAHL, and Scopus. Twenty studies comprising over 2,500 women were examined and the results indicated that chemotherapy can compromise cognition in women with BC (-1.10 OR [95%CI: -1.81 to -0.74], P<0.01), with working memory (-0.49 OR [95%CI: -0.85 to -0.13], P=0.03) being the most affected among the domains. Furthermore, additional data indicated that cognitive impairment is most likely amid women with BC having a lower education level (Q=4.85, P=0.02). Our results suggested that chemotherapy affects cognitive functions in women with BC, and certain characteristics can worsen the deterioration. A comprehensive study of women with breast cancer and existing predictors contributes to optimized personal journeys, elevated life prospects, and advanced care that can also aid prognosis and therapeutic approaches.
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Affiliation(s)
- M E C Oliveira
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - G S V Torres
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - R G Franklin
- Departamento de Psicologia, Universidade Federal de Pernambuco, Recife, PE, Brasil
| | - K A L Gomes
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - W F S Nóbrega
- Departamento de Odontologia, Universidade Estadual da Paraíba, Campina Grande, PB, Brasil
| | - T P Fernandes
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - N A Santos
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
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Shanti A, Al Adem K, Stefanini C, Lee S. Hydrogen phosphate selectively induces MDA MB 231 triple negative breast cancer cell death in vitro. Sci Rep 2022; 12:5333. [PMID: 35351930 PMCID: PMC8964734 DOI: 10.1038/s41598-022-09299-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 02/28/2022] [Indexed: 12/03/2022] Open
Abstract
Phosphate ions are the most abundant anions inside the cells, and they are increasingly gaining attention as key modulators of cellular function and gene expression. However, little is known about the effect of inorganic phosphate ions on cancer cells, particularly breast cancer cells. Here, we investigated the toxicity of different phosphate compounds to triple-negative human breast cancer cells, particularly, MDA-MB-231, and compared it to that of human monocytes, THP-1. We found that, unlike dihydrogen phosphate (H2PO4−), hydrogen phosphate (HPO42−) at 20 mM or lower concentrations induced breast cancer cell death more than immune cell death, mainly via apoptosis. We correlate this effect to the fact that phosphate in the form of HPO42− raises pH levels to alkaline levels which are not optimum for transport of phosphate into cancer cells. The results in this study highlight the importance of further exploring hydrogen phosphate (HPO42−) as a potential therapeutic for the treatment of breast cancer.
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Affiliation(s)
- Aya Shanti
- Department of Biomedical Engineering, Healthcare Engineering Innovation Center, Khalifa University of Science and Technology, 127788, Abu Dhabi, United Arab Emirates
| | - Kenana Al Adem
- Department of Biomedical Engineering, Healthcare Engineering Innovation Center, Khalifa University of Science and Technology, 127788, Abu Dhabi, United Arab Emirates
| | - Cesare Stefanini
- Department of Biomedical Engineering, Healthcare Engineering Innovation Center, Khalifa University of Science and Technology, 127788, Abu Dhabi, United Arab Emirates
| | - Sungmun Lee
- Department of Biomedical Engineering, Healthcare Engineering Innovation Center, Khalifa University of Science and Technology, 127788, Abu Dhabi, United Arab Emirates. .,Khalifa University's Center for Biotechnology, Khalifa University of Science and Technology, 127788, Abu Dhabi, United Arab Emirates.
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Lacerda-Abreu MA, Russo-Abrahão T, Meyer-Fernandes JR. Resveratrol is an inhibitor of sodium-dependent inorganic phosphate transport in triple-negative MDA-MB-231 breast cancer cells. Cell Biol Int 2021; 45:1768-1775. [PMID: 33851766 DOI: 10.1002/cbin.11616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 04/03/2021] [Accepted: 04/12/2021] [Indexed: 12/22/2022]
Abstract
Metastasis is a major cause of death in patients with breast cancer. A growing body of evidence has demonstrated the antitumour effects of resveratrol, a non-flavonoid polyphenol. Resveratrol inhibits metastatic processes, such as the migration and invasion of cancer cells. In several cancer types, the importance of inorganic phosphate (Pi) for tumor progression has been demonstrated. The metastatic process in breast cancer is associated with Na+ -dependent Pi transporters. In this study, we demonstrate, for the first time, that resveratrol inhibits the Na+ -dependent Pi transporter. Results from kinetic analysis shows that resveratrol inhibits Na+ -dependent Pi transport non-competitively. Resveratrol also inhibits adhesion/migration in MDA-MB-231 cells, likely related to inhibition of the Na+ -dependent Pi transporter.
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Affiliation(s)
- Marco Antonio Lacerda-Abreu
- Laboratório de Bioquímica Celular, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil.,Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thais Russo-Abrahão
- Laboratório de Bioquímica Celular, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil.,Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - José Roberto Meyer-Fernandes
- Laboratório de Bioquímica Celular, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil.,Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
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