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Shi JY, Che X, Wen R, Hou SJ, Xi YJ, Feng YQ, Wang LX, Liu SJ, Lv WH, Zhang YF. Ferroptosis biomarkers predict tumor mutation burden's impact on prognosis in HER2-positive breast cancer. World J Clin Oncol 2024; 15:391-410. [PMID: 38576597 PMCID: PMC10989258 DOI: 10.5306/wjco.v15.i3.391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/14/2024] [Accepted: 02/03/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Ferroptosis has recently been associated with multiple degenerative diseases. Ferroptosis induction in cancer cells is a feasible method for treating neoplastic diseases. However, the association of iron proliferation-related genes with prognosis in HER2+ breast cancer (BC) patients is unclear. AIM To identify and evaluate fresh ferroptosis-related biomarkers for HER2+ BC. METHODS First, we obtained the mRNA expression profiles and clinical information of HER2+ BC patients from the TCGA and METABRIC public databases. A four-gene prediction model comprising PROM2, SLC7A11, FANCD2, and FH was subsequently developed in the TCGA cohort and confirmed in the METABRIC cohort. Patients were stratified into high-risk and low-risk groups based on their median risk score, an independent predictor of overall survival (OS). Based on these findings, immune infiltration, mutations, and medication sensitivity were analyzed in various risk groupings. Additionally, we assessed patient prognosis by combining the tumor mutation burden (TMB) with risk score. Finally, we evaluated the expression of critical genes by analyzing single-cell RNA sequencing (scRNA-seq) data from malignant vs normal epithelial cells. RESULTS We found that the higher the risk score was, the worse the prognosis was (P < 0.05). We also found that the immune cell infiltration, mutation, and drug sensitivity were different between the different risk groups. The high-risk subgroup was associated with lower immune scores and high TMB. Moreover, we found that the combination of the TMB and risk score could stratify patients into three groups with distinct prognoses. HRisk-HTMB patients had the worst prognosis, whereas LRisk-LTMB patients had the best prognosis (P < 0.0001). Analysis of the scRNA-seq data showed that PROM2, SLC7A11, and FANCD2 were significantly differentially expressed, whereas FH was not, suggesting that these genes are expressed mainly in cancer epithelial cells (P < 0.01). CONCLUSION Our model helps guide the prognosis of HER2+ breast cancer patients, and its combination with the TMB can aid in more accurate assessment of patient prognosis and provide new ideas for further diagnosis and treatment.
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Affiliation(s)
- Jin-Yu Shi
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Xin Che
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- Department of Colorectal Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Rui Wen
- College of Pharmacy, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Si-Jia Hou
- Department of Neurology, The First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Yu-Jia Xi
- Department of Urology, The Second Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Yi-Qian Feng
- Department of Breast Surgery, The First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Ling-Xiao Wang
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- Department of Colorectal Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Shi-Jia Liu
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Wen-Hao Lv
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
| | - Ya-Fen Zhang
- Department of Breast Surgery, The Fifth Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi Province, China
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2
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Fan H, Li J, Manuel AM, Zhao Z. Enzalutamide-induced signatures revealed by epigenetic plasticity using single-cell multi-omics sequencing in prostate cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 31:648-661. [PMID: 36910711 PMCID: PMC9995291 DOI: 10.1016/j.omtn.2023.02.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 02/15/2023] [Indexed: 02/19/2023]
Abstract
Prostate cancer is morphologically and molecularly heterogeneous, which poses obstacles for early diagnosis and treatment. Advancements in understanding the heterogeneity of prostate cancer will help navigate through these challenges and ultimately benefit patients. In this study, we integrated single-cell sequencing for transposase-accessible chromatin and whole transcriptome in prostate cancer cell lines, aiming to decode the epigenetic plasticity upon enzalutamide (ENZ) treatment. By comparing the cell populations representing early-treatment response or resistance to the initial tumor cells, we identified seven signature gene sets; they present consistent trends of chromatin closing co-occurred with down-regulated genes during early response and chromatin opening with up-regulated genes upon maintaining drug resistance. In the molecular signatures, we found genes ZNF337, MAPK15, and ESRRG are favorable in progression-free prognosis during early response, while genes CCDC150, CCDC18, and POC1A marked poor prognosis underpinning the pre-existing drug resistance in The Cancer Genome Atlas prostate adenocarcinoma cohort. Ultimately, drug-target analyses nominated combinatory drug candidates to either enhance early-treatment response or potentially overcome ENZ resistance. Together, our integrative, single-cell multi-omics approach in pre-clinical models is effective in identifying informative signatures from complex molecular events, illustrating diverse drug responses in prostate cancer, and invoking novel combinatory drug strategies to inform clinical decision making.
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Affiliation(s)
- Huihui Fan
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.,Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Jinze Li
- Environmental and Occupational Health Sciences, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Astrid M Manuel
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.,Human Genetics Center, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.,MD Anderson Cancer Center, University of Texas Health Graduate School of Biomedical Sciences, Houston, TX 77030, USA
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3
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Sritharan S, Guha S, Hazarika S, Sivalingam N. Meta analysis of bioactive compounds, miRNA, siRNA and cell death regulators as sensitizers to doxorubicin induced chemoresistance. Apoptosis 2022; 27:622-646. [PMID: 35716277 DOI: 10.1007/s10495-022-01742-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2022] [Indexed: 11/02/2022]
Abstract
Cancer has presented to be the most challenging disease, contributing to one in six mortalities worldwide. The current treatment regimen involves multiple rounds of chemotherapy administration, alone or in combination. The treatment has adverse effects including cardiomyopathy, hepatotoxicity, and nephrotoxicity. In addition, the development of resistance to chemo has been attributed to cancer relapse and low patient overall survivability. Multiple drug resistance development may be through numerous factors such as up-regulation of drug transporters, drug inactivation, alteration of drug targets and drug degradation. Doxorubicin is a widely used first line chemotherapeutic drug for a myriad of cancers. It has multiple intracellular targets, DNA intercalation, adduct formation, topoisomerase inhibition, iron chelation, reactive oxygen species generation and promotes immune mediated clearance of the tumor. Agents that can sensitize the resistant cancer cells to the chemotherapeutic drug are currently the focus to improve the clinical efficiency of cancer therapy. This review summarizes the recent 10-year research on the use of natural phytochemicals, inhibitors of apoptosis and autophagy, miRNAs, siRNAs and nanoformulations being investigated for doxorubicin chemosensitization.
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Affiliation(s)
- Sruthi Sritharan
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India
| | - Sampurna Guha
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India
| | - Snoopy Hazarika
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India
| | - Nageswaran Sivalingam
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, Chengalpattu District, Chennai, Tamil Nadu, 603203, India.
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Chaisit S, Jianmongkol S. Rhinacanthin-C enhances chemosensitivity of breast cancer cells via the downregulation of P-glycoprotein through inhibition of Akt/NF-kappa B signaling pathway. JOURNAL OF HERBMED PHARMACOLOGY 2021. [DOI: 10.34172/jhp.2022.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: High expression of P-glycoprotein (P-gp) has been linked to multidrug resistance (MDR) and chemotherapeutic failure. Previously, we demonstrated that rhinacanthin-C, a naphthoquinone from Rhinacanthus nasutus, was able to enhance the cytotoxicity of doxorubicin against breast cancer MCF-7 cells via direct P-gp inhibition. In this study, we looked at its effect on P-gp downregulation and the mechanism involved in the resistance of MCF-7 cells to doxorubicin. Methods: Doxorubicin-resistant MCF-7 (MCF-7/DOX) cells were exposed to rhinacanthin-C for 24-48 hours prior to the assessment of their chemosensitivity via MTT assay, P-gp activity via calcein-AM uptake assay, P-gp expression, and signaling via qRT-PCR and western blot analyses. Results: Pretreatment with 1 µM of rhinacanthin-C for 48 hours significantly enhanced cytotoxicity of doxorubicin, as well as camptothecin and etoposide, to MCF-7/DOX cells. In the rhinacanthin-C-treated cells, reduction of MDR1 mRNA and P-gp levels and increased intracellular calcein were observed. Moreover, phosphorylation of Akt, NF-ᴋB and IκB-α, along with YB-1 expression, significantly decreased after 24-hour treatment with rhinacanthin-C. In contrast, the naphthoquinone had no effect on expression levels of ERK1/2 and phosphorylated ERK1/2 under similar conditions. Conclusion: Rhinacanthin-C, at a non-cytotoxic concentration (1 µM), could downregulate P-gp expression in MCF-7/DOX cells via the inhibition of the Akt/NF-ᴋB signaling pathway and YB-1 expression. Long-term exposure to this natural naphthoquinone may increase the chemosensitivity of cancer cells with MDR phenotype.
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Affiliation(s)
- Suwichak Chaisit
- Inter-Department Program of Pharmacology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand
| | - Suree Jianmongkol
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Science, Chulalongkorn University, Bangkok 10330, Thailand
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5
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Dittmer J. Nuclear Mechanisms Involved in Endocrine Resistance. Front Oncol 2021; 11:736597. [PMID: 34604071 PMCID: PMC8480308 DOI: 10.3389/fonc.2021.736597] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/26/2021] [Indexed: 12/27/2022] Open
Abstract
Endocrine therapy is a standard treatment offered to patients with ERα (estrogen receptor α)-positive breast cancer. In endocrine therapy, ERα is either directly targeted by anti-estrogens or indirectly by aromatase inhibitors which cause estrogen deficiency. Resistance to these drugs (endocrine resistance) compromises the efficiency of this treatment and requires additional measures. Endocrine resistance is often caused by deregulation of the PI3K/AKT/mTOR pathway and/or cyclin-dependent kinase 4 and 6 activities allowing inhibitors of these factors to be used clinically to counteract endocrine resistance. The nuclear mechanisms involved in endocrine resistance are beginning to emerge. Exploring these mechanisms may reveal additional druggable targets, which could help to further improve patients' outcome in an endocrine resistance setting. This review intends to summarize our current knowledge on the nuclear mechanisms linked to endocrine resistance.
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Affiliation(s)
- Jürgen Dittmer
- Clinic for Gynecology, Martin Luther University Halle-Wittenberg, Halle, Germany
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6
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(-)-Kusunokinin inhibits breast cancer in N-nitrosomethylurea-induced mammary tumor rats. Eur J Pharmacol 2020; 882:173311. [PMID: 32619673 DOI: 10.1016/j.ejphar.2020.173311] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/17/2020] [Accepted: 06/23/2020] [Indexed: 01/10/2023]
Abstract
Natural and synthetic (-)-kusunokinin inhibited breast cancer, colon cancer and cholangiocarcinoma cells at the G2/M phase and induced apoptosis. However, there is no report on the action and adverse effects of (-)-kusunokinin in animal models. In this study, we investigated the cytotoxic effect of (-)-kusunokinin from Piper nigrum on cancer cells. NMU-induced rat mammary tumors, an ER positive breast cancer model, were treated with (-)-kusunokinin. Proteins of interest related to cell cycle, angiogenesis, migration and signaling proteins were detected in tumor tissues. Results showed that (-)-kusunokinin exhibited strong cytotoxicity against breast, colon and lung cancer cells and caused low toxicity against normal fibroblast cells. For in vivo study, 7.0 mg/kg and 14.0 mg/kg of (-)-kusunokinin reduced tumor growth without side effects on body weight, internal organs and bone marrow. Combination of (-)-kusunokinin with a low effective dose of doxorubicin significantly inhibited tumor growth and provoked cell death in cancer tissues. Mechanistically, 14.0 mg/kg of (-)-kusunokinin decreased cell proliferation (c-Src, PI3K, Akt, p-Erk1/2 and c-Myc), cell cycle (E2f-1, cyclin B1 and CDK1), and metastasis (E-cadherin, MMP-2 and MMP-9) proteins in tumor tissues, which supports its anticancer effect. We further confirmed the antimigration effect of (-)-kusunokinin; the results show that this compound inhibited breast cancer cell (MCF-7) migration in a dose-dependent manner. In conclusion, the results suggest that 14 mg/kg of (-)-kusunokinin inhibited tumors through the reduction of signaling proteins and their downstream molecules. Therefore, (-)-kusunokinin becomes an intriguing candidate for cancer treatment as it provides a strong potency in cancer inhibition.
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7
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Menéndez-Menéndez J, Hermida-Prado F, Granda-Díaz R, González A, García-Pedrero JM, Del-Río-Ibisate N, González-González A, Cos S, Alonso-González C, Martínez-Campa C. Deciphering the Molecular Basis of Melatonin Protective Effects on Breast Cells Treated with Doxorubicin: TWIST1 a Transcription Factor Involved in EMT and Metastasis, a Novel Target of Melatonin. Cancers (Basel) 2019; 11:cancers11071011. [PMID: 31331001 PMCID: PMC6679136 DOI: 10.3390/cancers11071011] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 07/13/2019] [Accepted: 07/16/2019] [Indexed: 02/07/2023] Open
Abstract
Melatonin mitigates cancer initiation, progression and metastasis through inhibition of both the synthesis of estrogens and the transcriptional activity of the estradiol-ER (Estrogen receptor) complex in the estrogen-dependent breast cancer cell line MCF-7. Moreover, melatonin improves the sensitivity of MCF-7 to chemotherapeutic agents and protects against their side effects. It has been described that melatonin potentiates the anti-proliferative effects of doxorubicin; however, the molecular changes involving gene expression and the activation/inhibition of intracellular signaling pathways remain largely unknown. Here we found that melatonin enhanced the anti-proliferative effect of doxorubicin in MCF-7 but not in MDA-MB-231 cells. Strikingly, doxorubicin treatment induced cell migration and invasion, and melatonin effectively counteracted these effects in MCF-7 but not in estrogen-independent MDA-MB-231 cells. Importantly, we describe for the first time the ability of melatonin to downregulate TWIST1 (Twist-related protein 1) in estrogen-dependent but not in estrogen-independent breast cancer cells. Combined with doxorubicin, melatonin inhibited the activation of p70S6K and modulated the expression of breast cancer, angiogenesis and clock genes. Moreover, melatonin regulates the levels of TWIST1-related microRNAs, such as miR-10a, miR-10b and miR-34a. Since TWIST1 plays a pivotal role in the epithelial to mesenchymal transition, acquisition of metastatic phenotype and angiogenesis, our results suggest that inhibition of TWIST1 by melatonin might be a crucial mechanism of overcoming resistance and improving the oncostatic potential of doxorubicin in estrogen-dependent breast cancer cells.
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Affiliation(s)
- Javier Menéndez-Menéndez
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria and Instituto de Investigación Valdecilla (IDIVAL), 39011 Santander, Spain
| | - Francisco Hermida-Prado
- Department of Otolaryngology, Hospital Universitario Central de Asturias and Instituto de Investigación Sanitaria del Principado de Asturias, 33011 Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, 33011 Oviedo, Spain
| | - Rocío Granda-Díaz
- Department of Otolaryngology, Hospital Universitario Central de Asturias and Instituto de Investigación Sanitaria del Principado de Asturias, 33011 Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, 33011 Oviedo, Spain
| | - Alicia González
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria and Instituto de Investigación Valdecilla (IDIVAL), 39011 Santander, Spain
| | - Juana María García-Pedrero
- Department of Otolaryngology, Hospital Universitario Central de Asturias and Instituto de Investigación Sanitaria del Principado de Asturias, 33011 Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, 33011 Oviedo, Spain
| | - Nagore Del-Río-Ibisate
- Department of Otolaryngology, Hospital Universitario Central de Asturias and Instituto de Investigación Sanitaria del Principado de Asturias, 33011 Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, 33011 Oviedo, Spain
| | - Alicia González-González
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria and Instituto de Investigación Valdecilla (IDIVAL), 39011 Santander, Spain
| | - Samuel Cos
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria and Instituto de Investigación Valdecilla (IDIVAL), 39011 Santander, Spain
| | - Carolina Alonso-González
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria and Instituto de Investigación Valdecilla (IDIVAL), 39011 Santander, Spain.
| | - Carlos Martínez-Campa
- Department of Physiology and Pharmacology, School of Medicine, University of Cantabria and Instituto de Investigación Valdecilla (IDIVAL), 39011 Santander, Spain.
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8
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Combined Targeting of Estrogen Receptor Alpha and XPO1 Prevent Akt Activation, Remodel Metabolic Pathways and Induce Autophagy to Overcome Tamoxifen Resistance. Cancers (Basel) 2019; 11:cancers11040479. [PMID: 30987380 PMCID: PMC6520695 DOI: 10.3390/cancers11040479] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/29/2019] [Accepted: 03/29/2019] [Indexed: 01/21/2023] Open
Abstract
A majority of breast cancer specific deaths in women with ERα (+) tumors occur due to metastases that are resistant to endocrine therapy. There is a critical need for novel therapeutic approaches to resensitize recurrent ERα (+) tumors to endocrine therapies. The objective of this study was to elucidate mechanisms of improved effectiveness of combined targeting of ERα and the nuclear transport protein XPO1 in overcoming endocrine resistance. Selinexor (SEL), an XPO1 antagonist, has been evaluated in multiple late stage clinical trials in patients with relapsed and /or refractory hematological and solid tumor malignancies. Our transcriptomics analysis showed that 4-Hydroxytamoxifen (4-OHT), SEL alone or their combination induced differential Akt signaling- and metabolism-associated gene expression profiles. Western blot analysis in endocrine resistant cell lines and xenograft models validated differential Akt phosphorylation. Using the Seahorse metabolic profiler, we showed that ERα-XPO1 targeting changed the metabolic phenotype of TAM-resistant breast cancer cells from an energetic to a quiescent profile. This finding demonstrated that combined targeting of XPO1 and ERα rewired the metabolic pathways and shut down both glycolytic and mitochondrial pathways that would eventually lead to autophagy. Remodeling metabolic pathways to regenerate new vulnerabilities in endocrine resistant breast tumors is novel, and given the need for better strategies to improve therapy response in relapsed ERα (+) tumors, our findings show great promise for uncovering the role that ERα-XPO1 crosstalk plays in reducing cancer recurrences.
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9
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Kulkoyluoglu-Cotul E, Arca A, Madak-Erdogan Z. Crosstalk between Estrogen Signaling and Breast Cancer Metabolism. Trends Endocrinol Metab 2019; 30:25-38. [PMID: 30471920 DOI: 10.1016/j.tem.2018.10.006] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/23/2018] [Accepted: 10/26/2018] [Indexed: 02/06/2023]
Abstract
Estrogens and estrogen receptors (ERs) regulate metabolism in both normal physiology and in disease. The metabolic characteristics of intrinsic breast cancer subtypes change based on their ER expression. Crosstalk between estrogen signaling elements and several key metabolic regulators alters metabolism in breast cancer cells, and enables tumors to rewire their metabolism to adapt to poor perfusion, transient nutrient deprivation, and increased acidity. This leads to the selection of drug-resistant and metastatic clones. In this review we discuss studies revealing the role of estrogen signaling elements in drug resistance development and metabolic adaptation during breast cancer progression.
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Affiliation(s)
- Eylem Kulkoyluoglu-Cotul
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, Urbana, IL, USA. https://twitter.com/@eylemkul
| | - Alexandra Arca
- School of Kinesiology and Community Health, University of Illinois, Urbana-Champaign, Urbana, IL, USA
| | - Zeynep Madak-Erdogan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, Urbana, IL, USA; Division of Nutritional Sciences, University of Illinois, Urbana-Champaign, Urbana, IL, USA; Cancer Center at Illinois, University of Illinois, Urbana-Champaign, Urbana, IL, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA; Carl R. Woese Institute for Genomic Biology, University of Illinois, Urbana-Champaign, Urbana, IL, USA; National Center for Supercomputing Applications, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
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10
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Leung EY, Askarian-Amiri ME, Singleton DC, Ferraro-Peyret C, Joseph WR, Finlay GJ, Broom RJ, Kakadia PM, Bohlander SK, Marshall E, Baguley BC. Derivation of Breast Cancer Cell Lines Under Physiological (5%) Oxygen Concentrations. Front Oncol 2018; 8:425. [PMID: 30370249 PMCID: PMC6194255 DOI: 10.3389/fonc.2018.00425] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 09/11/2018] [Indexed: 11/13/2022] Open
Abstract
Background: Most human breast cancer cell lines currently in use were developed and are cultured under ambient (21%) oxygen conditions. While this is convenient in practical terms, higher ambient oxygen could increase oxygen radical production, potentially modulating signaling pathways. We have derived and grown a series of four human breast cancer cell lines under 5% oxygen, and have compared their properties to those of established breast cancer lines growing under ambient oxygen. Methods: Cell lines were characterized in terms of appearance, cellular DNA content, mutation spectrum, hormone receptor status, pathway utilization and drug sensitivity. Results: Three of the four lines (NZBR1, NZBR2, and NZBR4) were triple negative (ER-, PR-, HER2-), with NZBR1 also over-expressing EGFR. NZBR3 was HER2+ and ER+ and also over-expressed EGFR. Cell lines grown in 5% oxygen showed increased expression of the hypoxia-inducible factor 1 (HIF-1) target gene carbonic anhydrase 9 (CA9) and decreased levels of ROS. As determined by protein phosphorylation, NZBR1 showed low AKT pathway utilization while NZBR2 and NZBR4 showed low p70S6K and rpS6 pathway utilization. The lines were characterized for sensitivity to 7-hydroxytamoxifen, doxorubicin, paclitaxel, the PI3K inhibitor BEZ235 and the HER inhibitors lapatinib, afatinib, dacomitinib, and ARRY-380. In some cases they were compared to established breast cancer lines. Of particular note was the high sensitivity of NZBR3 to HER inhibitors. The spectrum of mutations in the NZBR lines was generally similar to that found in commonly used breast cancer cell lines but TP53 mutations were absent and mutations in EVI2B, LRP1B, and PMS2, which have not been reported in other breast cancer lines, were detected. The results suggest that the properties of cell lines developed under low oxygen conditions (5% O2) are similar to those of commonly used breast cancer cell lines. Although reduced ROS production and increased HIF-1 activity under 5% oxygen can potentially influence experimental outcomes, no difference in sensitivity to estrogen or doxorubicin was observed between cell lines cultured in 5 vs. 21% oxygen.
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Affiliation(s)
- Euphemia Y Leung
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand.,Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Marjan E Askarian-Amiri
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand.,Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Dean C Singleton
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
| | - Carole Ferraro-Peyret
- Univ Lyon, Claude Bernard University, Cancer Research Center of Lyon, INSERM 1052, CNRS5286, Faculty of Pharmacy, Lyon, France.,Hospices Civils de Lyon, Molecular Biology of Tumors, GHE Hospital, Bron, France
| | - Wayne R Joseph
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
| | - Graeme J Finlay
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand.,Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Reuben J Broom
- Auckland City Hospital-Oncology, Grafton, Auckland, New Zealand
| | - Purvi M Kakadia
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Stefan K Bohlander
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | - Elaine Marshall
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
| | - Bruce C Baguley
- Auckland Cancer Society Research Centre, University of Auckland, Auckland, New Zealand
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11
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Grassilli S, Brugnoli F, Lattanzio R, Marchisio M, Perracchio L, Piantelli M, Bavelloni A, Capitani S, Bertagnolo V. Vav1 downmodulates Akt in different breast cancer subtypes: a new promising chance to improve breast cancer outcome. Mol Oncol 2018; 12:1012-1025. [PMID: 29658179 PMCID: PMC6026867 DOI: 10.1002/1878-0261.12203] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/22/2018] [Accepted: 04/02/2018] [Indexed: 11/07/2022] Open
Abstract
Targeting different members of the Akt pathways is a promising therapeutic chance in solid tumors including breast cancer. The variable expression levels of Akt isoforms with opposite effects on tumor growth and metastasis, however, make it difficult to select the inhibitors to be used for specific breast tumor subtypes. Using in vitro and in vivo models, we demonstrated here that Vav1, ectopically expressed in invasive breast tumors derived cells, downmodulates Akt acting at expression and/or activation levels depending on tumor subtype. The decreased p‐Akt1 (Ser473) levels are a common effect of Vav1 upmodulation, suggesting that, in breast tumor‐derived cells and independently of their phenotype, Vav1 interferes with signaling pathways ended to specifically recruit Akt1. Only in ER‐negative cell lines, the silencing of Vav1 induced the expression but not the activation of Akt2. A retrospective analysis of early invasive breast tumors allowed to establish the prognostic significance of the p‐Akt/Vav1 relationship. In particular, low Vav1 levels negatively influence the follow‐up of patients with low p‐Akt in their primary tumors and subjected to adjuvant chemotherapy. As the use of specific or pan Akt inhibitors may not be sufficient or may even be detrimental, increasing the levels of Vav1 could be a new approach to improve breast cancer outcomes. This might be particularly relevant for tumors with a triple‐negative phenotype, for which target‐based therapies are not currently available.
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Affiliation(s)
- Silvia Grassilli
- Section of Anatomy and Histology, Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Italy
| | - Federica Brugnoli
- Section of Anatomy and Histology, Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Italy
| | - Rossano Lattanzio
- Department of Medical, Oral and Biotechnological Sciences, University 'G. d'Annunzio', Chieti, Italy.,Center on Aging Sciences and Translational Medicine (CeSI-MeT), University 'G. d'Annunzio', Chieti, Italy
| | - Marco Marchisio
- Center on Aging Sciences and Translational Medicine (CeSI-MeT), University 'G. d'Annunzio', Chieti, Italy.,Department of Medicine and Aging Sciences, University 'G. d'Annunzio', Chieti, Italy
| | | | | | - Alberto Bavelloni
- Laboratory of Musculoskeletal Cell Biology, Rizzoli Orthopedic Institute, Bologna, Italy
| | - Silvano Capitani
- Section of Anatomy and Histology, Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Italy.,LTTA Centre, University of Ferrara, Italy
| | - Valeria Bertagnolo
- Section of Anatomy and Histology, Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Italy
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