101
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Qayoom H, Wani NA, Alshehri B, Mir MA. An insight into the cancer stem cell survival pathways involved in chemoresistance in triple-negative breast cancer. Future Oncol 2021; 17:4185-4206. [PMID: 34342489 DOI: 10.2217/fon-2021-0172] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is the most complex, aggressive and fatal subtype of breast cancer. Owing to the lack of targeted therapy and heterogenic nature of TNBC, chemotherapy remains the sole treatment option for TNBC, with taxanes and anthracyclines representing the general chemotherapeutic regimen in TNBC therapy. But unfortunately, patients develop resistance to the existing chemotherapeutic regimen, resulting in approximately 90% treatment failure. Breast cancer stem cells (BCSCs) are one of the major causes for the development of chemoresistance in TNBC patients. After surviving the chemotherapy damage, the presence of BCSCs results in relapse and recurrence of TNBC. Several pathways are known to regulate BCSCs' survival, such as the Wnt/β-catenin, Hedgehog, JAK/STAT and HIPPO pathways. Therefore it is imperative to target these pathways in the context of eliminating chemoresistance. In this review we will discuss the novel strategies and various preclinical and clinical studies to give an insight into overcoming TNBC chemoresistance. We present a detailed account of recent studies carried out that open an exciting perspective in relation to the mechanisms of chemoresistance.
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Affiliation(s)
- Hina Qayoom
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar 190006, J&K, India
| | - Nissar A Wani
- Department of Biotechnology, School of Life Sciences, Central University of Kashmir Nunar Ganderbal 191201, J&K, India
| | - Bader Alshehri
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, KSA
| | - Manzoor A Mir
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar 190006, J&K, India
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102
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Jokar N, Velikyan I, Ahmadzadehfar H, Rekabpour SJ, Jafari E, Ting HH, Biersack HJ, Assadi M. Theranostic Approach in Breast Cancer: A Treasured Tailor for Future Oncology. Clin Nucl Med 2021; 46:e410-e420. [PMID: 34152118 DOI: 10.1097/rlu.0000000000003678] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Breast cancer is the most frequent invasive malignancy and the second major cause of cancer death in female subjects mostly due to the considerable diagnostic delay and failure of therapeutic strategies. Thus, early diagnosis and possibility to monitor response to the treatment are of utmost importance. Identification of valid biomarkers, in particular new molecular therapeutic targets, that would allow screening, early patient identification, prediction of disease aggressiveness, and monitoring response to the therapeutic regimen has been in the focus of breast cancer research during recent decades. One of the intensively developing fields is nuclear medicine combining molecular diagnostic imaging and subsequent (radio)therapy in the light of theranostics. This review aimed to survey the current status of preclinical and clinical research using theranostic approach in breast cancer patients with potential to translate into conventional treatment strategies alone or in combination with other common treatments, especially in aggressive and resistant types of breast cancer. In addition, we present 5 patients with breast cancer who were refractory or relapsed after conventional therapy while presumably responded to the molecular radiotherapy with 177Lu-trastuzumab (Herceptin), 177Lu-DOTATATE, and 177Lu-FAPI-46.
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Affiliation(s)
- Narges Jokar
- From the The Persian Gulf Nuclear Medicine Research Center, Department of Molecular Imaging and Radionuclide Therapy, Bushehr Medical University Hospital, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Irina Velikyan
- Section of Nuclear Medicine and PET, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | | | | | - Esmail Jafari
- From the The Persian Gulf Nuclear Medicine Research Center, Department of Molecular Imaging and Radionuclide Therapy, Bushehr Medical University Hospital, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Hong Hoi Ting
- Nanomab Technology Limited, Shanghai, People's Republic of China
| | | | - Majid Assadi
- From the The Persian Gulf Nuclear Medicine Research Center, Department of Molecular Imaging and Radionuclide Therapy, Bushehr Medical University Hospital, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
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103
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Saini G, Bhattarai S, Gogineni K, Aneja R. Quadruple-Negative Breast Cancer: An Uneven Playing Field. JCO Glob Oncol 2021; 6:233-237. [PMID: 32073910 PMCID: PMC7051792 DOI: 10.1200/jgo.19.00366] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
| | | | - Keerthi Gogineni
- Department of Hematology and Medical Oncology, Emory University School of Medicine; Atlanta, GA
| | - Ritu Aneja
- Department of Biology, Georgia State University, Atlanta, GA
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104
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Turkistani S, Sugita BM, Fadda P, Marchi R, Afsari A, Naab T, Apprey V, Copeland RL, Campbell MC, Cavalli LR, Kanaan Y. A panel of miRNAs as prognostic markers for African-American patients with triple negative breast cancer. BMC Cancer 2021; 21:861. [PMID: 34315420 PMCID: PMC8317413 DOI: 10.1186/s12885-021-08573-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/29/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND To investigate the global expression profile of miRNAs, their impact on cellular signaling pathways, and their association with poor prognostic parameters in African-American (AA) patients with triple negative breast cancer (TNBC). METHODS Twenty-five samples of AA TNBC patients were profiled for global miRNA expression and stratified considering three clinical-pathological parameters: tumor size, lymph node (LN), and recurrence (REC) status. Differential miRNA expression analysis was performed for each parameter, and their discriminatory power was determined by Receiver Operating Characteristic (ROC) curve analysis. KMplotter was assessed to determine the association of the miRNAs with survival, and functional enrichment analysis to determine the main affected pathways and miRNA/mRNA target interactions. RESULTS A panel of eight, 23 and 27 miRNAs were associated with tumor size, LN, and REC status, respectively. Combined ROC analysis of two (miR-2117, and miR-378c), seven (let-7f-5p, miR-1255b-5p, miR-1268b, miR-200c-3p, miR-520d, miR-527, and miR-518a-5p), and three (miR-1200, miR-1249-3p, and miR-1271-3p) miRNAs showed a robust discriminatory power based on tumor size (AUC = 0.917), LN (AUC = 0.945) and REC (AUC = 0.981) status, respectively. Enrichment pathway analysis revealed their involvement in proteoglycans and glycan and cancer-associated pathways. Eight miRNAs with deregulated expressions in patients with large tumor size, positive LN metastasis, and recurrence were significantly associated with lower survival rates. Finally, the construction of miRNA/mRNA networks based in experimentally validated mRNA targets, revealed nodes of critical cancer genes, such as AKT1, BCL2, CDKN1A, EZR and PTEN. CONCLUSIONS Altogether, our data indicate that miRNA deregulated expression is a relevant biological factor that can be associated with the poor prognosis in TNBC of AA patients, by conferring to their TNBC cells aggressive phenotypes that are reflected in the clinical characteristics evaluated in this study.
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Affiliation(s)
- Safaa Turkistani
- Department of Microbiology, Howard University Cancer Center, Howard University, Washington DC, USA
| | - Bruna M Sugita
- Research Institute Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Paolo Fadda
- Genomics Shared Resource, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Rafael Marchi
- Research Institute Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Ali Afsari
- Department of Pathology, Howard University Hospital, Washington DC, USA
| | - Tammey Naab
- Department of Pathology, Howard University Hospital, Washington DC, USA
| | - Victor Apprey
- Department of Community and Family Medicine, Howard University, Washington DC, USA
| | - Robert L Copeland
- Department of Pharmacology, College of Medicine and Cancer Center, Howard University, Washington DC, USA
| | | | - Luciane R Cavalli
- Research Institute Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil.
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington DC, USA.
| | - Yasmine Kanaan
- Department of Microbiology, Howard University Cancer Center, Howard University, Washington DC, USA
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105
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Effect of carboplatin dose capping on survival in recurrent breast, ovary and head and neck cancers: a single institutional retrospective study. Cancer Chemother Pharmacol 2021; 88:731-740. [PMID: 34297199 DOI: 10.1007/s00280-021-04323-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 07/06/2021] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Carboplatin based regimens are an integral part of chemotherapy regimens for recurrent head and neck cancers (rHNC), triple negative breast cancers (rTNBC) and ovarian cancers (rOC). Dose reduction/capping of carboplatin remains a controversial aspect of such regimens in patients with moderate creatinine clearance (50 ml/min to 125 ml/min), especially in resource limited setting. The authors, therefore, looked into the magnitude of difference in outcome this makes in the above mentioned subsites. METHODS This single institutional retrospective study was performed with a total of 120 patients divided equally into Group A (patients receiving capped dose) and Group B (patients receiving uncapped dose). Further matching was performed with respect to age, sex, body surface area, weight, and primary malignancy subsite and baseline creatinine clearance. Patients in Group A had received 450 mg (for AUC 6 regimens) and 150 mg (for AUC 2 regimens) of carboplatin while patients in Group B received the actual calculated dose of carboplatin determined by the Calvert formula. Median progression free survival (mPFS) and median overall survival (mOS) were the co-primary outcome measures. RESULTS At a median follow-up of 24 months, compared to Group A, Group B had a higher mPFS and mOS by 4 months (p < .001) and 5.5 months (p < .001), respectively. Statistically significant difference in outcome favouring Group B extends to all primary tumour subsites, with mPFS difference being 3.1 months (rHNC), 5.1 months (rTNBC) and 4.5 months (rOC) and mOS difference being 4.2 months (rHNC), 3 months (rTNBC) and 5.6 months (rOC). It was also found that capping had a statistically significant detriment in distal failure (p = .042) compared to locoregional failure (p = .842). A higher proportion of hematotoxicity was found in Group B, however, it was not statistically significant and well manageable. CONCLUSIONS Blatant dose capping of carboplatin should be avoided probably with more caution in patients with distant disease recurrence compared to their counterparts with locoregional failure.
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106
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Ghosh A, Upadhyay P, Sarker S, Das S, Bhattacharjee M, Bhattacharya S, Ahir M, Guria S, Gupta P, Chattopadhyay S, Ghosh S, Adhikari S, Adhikary A. Delivery of novel coumarin-dihydropyrimidinone conjugates through mixed polymeric nanoparticles to potentiate therapeutic efficacy against triple-negative breast cancer. Biomater Sci 2021; 9:5665-5690. [PMID: 34259681 DOI: 10.1039/d1bm00424g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
To date, most of the accessible therapeutic options are virtually non-responsive towards triple-negative breast cancer (TNBC) due to its highly aggressive and metastatic nature. Interestingly, chemotherapy reacts soundly in many TNBC cases compared to other types of breast cancer. However, the side effects of many chemotherapeutic agents are still under cross-examination, and thus prohibit their extensive uses. In this present study, we have developed a series of coumarin-dihydropyrimidinone conjugates (CDHPs) and subsequently their poly(lactic-co-glycolic acid) (PLGA)-PEG4000 mixed copolymer nanoparticles as excellent chemotherapeutic nanomedicine to control TNBC. Among all the synthesized CDHPs, CDHP-4 (prepared by the combination of EDCO with 3,4-difluorobenzaldehyde) showed excellent therapeutic effect on a wide variety of cancer cell lines, including TNBC. Besides, it can control the metastasis and stemness property of TNBC. Furthermore, the nano-encapsulation of CDHP-4 in a mixed polymer nanoparticle system (CDHP-4@PP-NPs) and simultaneous delivery showed much improved therapeutic efficacy at a much lower dose, and almost negligible side effects in normal healthy cells or organs. The effectiveness of the present therapeutic agent was observed both in intravenous and oral mode of administration in in vivo experiments. Moreover, on elucidating the molecular mechanism, we found that CDHP-4@PP-NPs could exhibit apoptotic, anti-migratory, as well as anti-stemness activity against TNBC cell lines through the downregulation of miR-138. We validated our findings in MDA-MB-231 xenograft chick embryos, as well as in 4T1-induced mammary tumor-bearing BALB/c mice models, and studied the bio-distribution of CDHP-4@PP-NPs on the basis of the photoluminescence property of nanoparticles. Our recent study, hence for the first time, unravels the synthesis of CDHP-4@PP-NPs and the molecular mechanism behind the anti-migration, anti-stemness and anti-tumor efficacy of the nanoparticles against the TNBC cells through the miR-138/p65/TUSC2 axis.
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Affiliation(s)
- Avijit Ghosh
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Priyanka Upadhyay
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Sushmita Sarker
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Shaswati Das
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Mousumi Bhattacharjee
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Saurav Bhattacharya
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Manisha Ahir
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
| | - Subhajit Guria
- Department of Chemistry, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata-700009, West Bengal, India
| | - Payal Gupta
- Department of Physiology, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata-700009, West Bengal, India
| | - Sreya Chattopadhyay
- Department of Physiology, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata-700009, West Bengal, India
| | - Swatilekha Ghosh
- Amity Institute of Biotechnology, Amity University, Rajarhat, New Town, Kolkata-700156, West Bengal, India
| | - Susanta Adhikari
- Department of Chemistry, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata-700009, West Bengal, India
| | - Arghya Adhikary
- Center for Research in Nanoscience and Nanotechnology, Technology Campus, University of Calcutta, JD-2, Sector-III, Salt Lake, Kolkata-700106, West Bengal, India.
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107
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Cytoprotective Effect of Vitamin D on Doxorubicin-Induced Cardiac Toxicity in Triple Negative Breast Cancer. Int J Mol Sci 2021; 22:ijms22147439. [PMID: 34299059 PMCID: PMC8305038 DOI: 10.3390/ijms22147439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 12/22/2022] Open
Abstract
Background: Doxorubicin (Dox) is a first-line treatment for triple negative breast cancer (TNBC), but its use may be limited by its cardiotoxicity mediated by the production of reactive oxygen species. We evaluated whether vitamin D may prevent Dox-induced cardiotoxicity in a mouse TNBC model. Methods: Female Balb/c mice received rodent chow with vitamin D3 (1500 IU/kg; vehicle) or chow supplemented with additional vitamin D3 (total, 11,500 IU/kg). the mice were inoculated with TNBC tumors and treated with intraperitoneal Dox (6 or 10 mg/kg). Cardiac function was evaluated with transthoracic echocardiography. The cardiac tissue was evaluated with immunohistochemistry and immunoblot for levels of 4-hydroxynonenal, NAD(P)H quinone oxidoreductase (NQO1), C-MYC, and dynamin-related protein 1 (DRP1) phosphorylation. Results: At 15 to 18 days, the mean ejection fraction, stroke volume, and fractional shortening were similar between the mice treated with vitamin D + Dox (10 mg/kg) vs. vehicle but significantly greater in mice treated with vitamin D + Dox (10 mg/kg) vs. Dox (10 mg/kg). Dox (10 mg/kg) increased the cardiac tissue levels of 4-hydroxynonenal, NQO1, C-MYC, and DRP1 phosphorylation at serine 616, but these increases were not observed with vitamin D + Dox (10 mg/kg). A decreased tumor volume was observed with Dox (10 mg/kg) and vitamin D + Dox (10 mg/kg). Conclusions: Vitamin D supplementation decreased Dox-induced cardiotoxicity by decreasing the reactive oxygen species and mitochondrial damage, and did not decrease the anticancer efficacy of Dox against TNBC.
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108
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Ye J, Li R, Yang Y, Dong W, Wang Y, Wang H, Sun T, Li L, Shen Q, Qin C, Xu X, Liao H, Jin Y, Xia X, Liu Y. Comparative colloidal stability, antitumor efficacy, and immunosuppressive effect of commercial paclitaxel nanoformulations. J Nanobiotechnology 2021; 19:199. [PMID: 34225762 PMCID: PMC8256566 DOI: 10.1186/s12951-021-00946-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 06/24/2021] [Indexed: 12/20/2022] Open
Abstract
Background Standard chemotherapy with taxanes, such as paclitaxel (PTX), remains the mainstay of systemic treatment of triple-negative breast cancer. Nanotechnology-based formulations have gradually replaced PTX injection and are widely used in China. However, no studies have compared the colloidal stability, antitumor efficacy, and safety of commercial PTX nanoformulations. Additionally, the desire to evaluate preclinical antitumor efficacy in human-derived tumor cells led to the widespread application of immunodeficient mouse models that likely contributed to the neglect of nanomedicines-immune system interactions. The present study investigated the colloidal stability, antitumor efficacy and safety, and nanomedicines-host immune system interactions of PTX nanoformulations. A further comparative analysis was performed to evaluate the clinical potential. Results Compared with liposome, PTX emulsion and PTX nanoparticle exhibited favorable colloidal stability. PTX emulsion was superior in inducing apoptosis and had a more pronounced inhibitory effect on 4T1-tumor spheroids compared with PTX liposome and PTX nanoparticle. Although PTX emulsion exhibited superior in vitro antitumor effect, no significant differences in the in vivo antitumor efficacy were found among the three types of PTX nanoformulations in an immunocompetent orthotopic 4T1 murine triple-negative breast cancer model. All PTX nanoformulations at maximum tolerated dose (MTD) induced lymphopenia and immunosuppression, as evidenced by the reduction of T cell subpopulations and inhibition of the dendritic cells maturation. Conclusions The MTD PTX nanomedicines-induced lymphopenia and immunosuppression may weaken the lymphocyte-mediated antitumor cellular immune response and partly account for the lack of differences in the in vivo antitumor outcomes of PTX nanoformulations. Understanding of what impacts PTX nanomedicines has on the immune system may be critical to improve the design and conduct of translational research of PTX nanomedicines in monotherapy or combination therapy with immunotherapy. Graphic abstract ![]()
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Affiliation(s)
- Jun Ye
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Renjie Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Yanfang Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Wujun Dong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Yujie Wang
- Beijing Wehand-Bio Pharmaceutical Co. Ltd., Beijing, 102600, People's Republic of China
| | - Hongliang Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Tong Sun
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Lin Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Qiqi Shen
- Beijing Wehand-Bio Pharmaceutical Co. Ltd., Beijing, 102600, People's Republic of China
| | - Caiyun Qin
- Beijing Wehand-Bio Pharmaceutical Co. Ltd., Beijing, 102600, People's Republic of China
| | - Xiaoyan Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Hengfeng Liao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Yiqun Jin
- Beijing Wehand-Bio Pharmaceutical Co. Ltd., Beijing, 102600, People's Republic of China
| | - Xuejun Xia
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China.,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Yuling Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xiannongtan Street, Beijing, 100050, People's Republic of China. .,Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China.
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109
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McGuirk S, Audet-Delage Y, Annis MG, Xue Y, Vernier M, Zhao K, St-Louis C, Minarrieta L, Patten DA, Morin G, Greenwood CM, Giguère V, Huang S, Siegel PM, St-Pierre J. Resistance to different anthracycline chemotherapeutics elicits distinct and actionable primary metabolic dependencies in breast cancer. eLife 2021; 10:65150. [PMID: 34181531 PMCID: PMC8238502 DOI: 10.7554/elife.65150] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 06/12/2021] [Indexed: 12/18/2022] Open
Abstract
Chemotherapy resistance is a critical barrier in cancer treatment. Metabolic adaptations have been shown to fuel therapy resistance; however, little is known regarding the generality of these changes and whether specific therapies elicit unique metabolic alterations. Using a combination of metabolomics, transcriptomics, and functional genomics, we show that two anthracyclines, doxorubicin and epirubicin, elicit distinct primary metabolic vulnerabilities in human breast cancer cells. Doxorubicin-resistant cells rely on glutamine to drive oxidative phosphorylation and de novo glutathione synthesis, while epirubicin-resistant cells display markedly increased bioenergetic capacity and mitochondrial ATP production. The dependence on these distinct metabolic adaptations is revealed by the increased sensitivity of doxorubicin-resistant cells and tumor xenografts to buthionine sulfoximine (BSO), a drug that interferes with glutathione synthesis, compared with epirubicin-resistant counterparts that are more sensitive to the biguanide phenformin. Overall, our work reveals that metabolic adaptations can vary with therapeutics and that these metabolic dependencies can be exploited as a targeted approach to treat chemotherapy-resistant breast cancer.
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Affiliation(s)
- Shawn McGuirk
- Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Canada
| | - Yannick Audet-Delage
- Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Canada.,Ottawa Institute of Systems Biology, Ottawa, Canada
| | - Matthew G Annis
- Goodman Cancer Research Centre, McGill University, Montreal, Canada.,Department of Medicine, Faculty of Medicine, McGill University, Montreal, Canada
| | - Yibo Xue
- Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Canada
| | - Mathieu Vernier
- Goodman Cancer Research Centre, McGill University, Montreal, Canada
| | - Kaiqiong Zhao
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada.,Lady Davis Institute, Jewish General Hospital, Montreal, Canada
| | - Catherine St-Louis
- Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Canada.,Ottawa Institute of Systems Biology, Ottawa, Canada
| | - Lucía Minarrieta
- Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Canada.,Ottawa Institute of Systems Biology, Ottawa, Canada
| | - David A Patten
- Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Canada.,Ottawa Institute of Systems Biology, Ottawa, Canada
| | - Geneviève Morin
- Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Canada
| | - Celia Mt Greenwood
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada.,Lady Davis Institute, Jewish General Hospital, Montreal, Canada.,Department of Human Genetics, McGill University, Montreal, Canada.,Gerald Bronfman Department of Oncology, Montreal, Canada
| | - Vincent Giguère
- Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Canada
| | - Sidong Huang
- Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Canada
| | - Peter M Siegel
- Goodman Cancer Research Centre, McGill University, Montreal, Canada.,Department of Medicine, Faculty of Medicine, McGill University, Montreal, Canada
| | - Julie St-Pierre
- Department of Biochemistry, Faculty of Medicine, McGill University, Montreal, Canada.,Goodman Cancer Research Centre, McGill University, Montreal, Canada.,Department of Biochemistry, Microbiology, and Immunology, University of Ottawa, Ottawa, Canada.,Ottawa Institute of Systems Biology, Ottawa, Canada
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110
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Chakrabarty A, Chakraborty S, Bhattacharya R, Chowdhury G. Senescence-Induced Chemoresistance in Triple Negative Breast Cancer and Evolution-Based Treatment Strategies. Front Oncol 2021; 11:674354. [PMID: 34249714 PMCID: PMC8264500 DOI: 10.3389/fonc.2021.674354] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/01/2021] [Indexed: 01/10/2023] Open
Abstract
Triple negative breast cancer (TNBC) is classically treated with combination chemotherapies. Although, initially responsive to chemotherapies, TNBC patients frequently develop drug-resistant, metastatic disease. Chemotherapy resistance can develop through many mechanisms, including induction of a transient growth-arrested state, known as the therapy-induced senescence (TIS). In this paper, we will focus on chemoresistance in TNBC due to TIS. One of the key characteristics of senescent cells is a complex secretory phenotype, known as the senescence-associated secretory proteome (SASP), which by prompting immune-mediated clearance of senescent cells maintains tissue homeostasis and suppresses tumorigenesis. However, in cancer, particularly with TIS, senescent cells themselves as well as SASP promote cellular reprograming into a stem-like state responsible for the emergence of drug-resistant, aggressive clones. In addition to chemotherapies, outcomes of recently approved immune and DNA damage-response (DDR)-directed therapies are also affected by TIS, implying that this a common strategy used by cancer cells for evading treatment. Although there has been an explosion of scientific research for manipulating TIS for prevention of drug resistance, much of it is still at the pre-clinical stage. From an evolutionary perspective, cancer is driven by natural selection, wherein the fittest tumor cells survive and proliferate while the tumor microenvironment influences tumor cell fitness. As TIS seems to be preferred for increasing the fitness of drug-challenged cancer cells, we will propose a few tactics to control it by using the principles of evolutionary biology. We hope that with appropriate therapeutic intervention, this detrimental cellular fate could be diverted in favor of TNBC patients.
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Kedzierawski P, Macek P, Ciepiela I, Kowalik A, Gozdz S. Evaluation of Complete Pathological Regression after Neoadjuvant Chemotherapy in Triple-Negative Breast Cancer Patients with BRCA1 Founder Mutation Aided Bayesian A/B Testing Approach. Diagnostics (Basel) 2021; 11:diagnostics11071144. [PMID: 34201809 PMCID: PMC8306462 DOI: 10.3390/diagnostics11071144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to evaluate the probability of pathologic complete regression (pCR) by the BRCA1 gene mutation status in patients with triple-negative breast cancer (TNBC) treated with neoadjuvant chemotherapy. The study involved 143 women (mean age 55.4 ± 13.1 years) with TNBC. The BRCA1 mutation was observed in 17% of the subjects. The most commonly used (85.3%) chemotherapy regimen was four cycles of adriamycine and cyclophosphamide followed by 12 cycles of paclitaxel (4AC + 12T). The differences between clinico-pathological factors by BRCA1 status were estimated. Odds ratios and 95% confidence intervals for pCR vs. non-pCR were calculated using logistic regression. The probability distribution of pCR based on BRCA1 status was estimated using beta distributions. The presence of T3-T4 tumours, cancer in stages II and III, lymphovascular invasion, and the use of chemotherapy schedules other than 4AC + 12T significantly decreased the odds of pCR. It was established that there was a 20% chance that pCR in patients with the BRCA1 mutation was 50% or more times as frequent than in patients without the mutation. Thus, the BRCA1 mutation can be a predictive factor for pCR in patients with TNBC.
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Affiliation(s)
- Piotr Kedzierawski
- Department of Oncology, Institute of Health Sciences, Collegium Medicum, Jan Kochanowski University, 25-713 Kielce, Poland; (P.M.); (S.G.)
- Radiotherapy Clinic, Holycross Cancer Centre, 25-734 Kielce, Poland;
- Correspondence:
| | - Pawel Macek
- Department of Oncology, Institute of Health Sciences, Collegium Medicum, Jan Kochanowski University, 25-713 Kielce, Poland; (P.M.); (S.G.)
- Department of Epidemiology and Cancer Control, Holycross Cancer Centre, 25-734 Kielce, Poland
| | - Izabela Ciepiela
- Radiotherapy Clinic, Holycross Cancer Centre, 25-734 Kielce, Poland;
| | - Artur Kowalik
- Division of Medical Biology, Institute of Biology, Jan Kochanowski University, 25-406 Kielce, Poland;
- Department of Molecular Diagnostics, Holycross Cancer Centre, 25-734 Kielce, Poland
| | - Stanislaw Gozdz
- Department of Oncology, Institute of Health Sciences, Collegium Medicum, Jan Kochanowski University, 25-713 Kielce, Poland; (P.M.); (S.G.)
- Clinical Oncology Clinic, Holycross Cancer Centre, 25-734 Kielce, Poland
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112
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Vimentin Promotes the Aggressiveness of Triple Negative Breast Cancer Cells Surviving Chemotherapeutic Treatment. Cells 2021; 10:cells10061504. [PMID: 34203746 PMCID: PMC8232646 DOI: 10.3390/cells10061504] [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: 05/20/2021] [Revised: 06/08/2021] [Accepted: 06/10/2021] [Indexed: 11/24/2022] Open
Abstract
Tremendous data have been accumulated in the effort to understand chemoresistance of triple negative breast cancer (TNBC). However, modifications in cancer cells surviving combined and sequential treatment still remain poorly described. In order to mimic clinical neoadjuvant treatment, we first treated MDA-MB-231 and SUM159-PT TNBC cell lines with epirubicin and cyclophosphamide for 2 days, and then with paclitaxel for another 2 days. After 4 days of recovery, persistent cells surviving the treatment were characterized at both cellular and molecular level. Persistent cells exhibited increased growth and were more invasive in vitro and in zebrafish model. Persistent cells were enriched for vimentinhigh sub-population, vimentin knockdown using siRNA approach decreased the invasive and sphere forming capacities as well as Akt phosphorylation in persistent cells, indicating that vimentin is involved in chemotherapeutic treatment-induced enhancement of TNBC aggressiveness. Interestingly, ectopic vimentin overexpression in native cells increased cell invasion and sphere formation as well as Akt phosphorylation. Furthermore, vimentin overexpression alone rendered the native cells resistant to the drugs, while vimentin knockdown rendered them more sensitive to the drugs. Together, our data suggest that vimentin could be considered as a new targetable player in the ever-elusive status of drug resistance and recurrence of TNBC.
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Biomarker analyses in the phase III ASCENT study of sacituzumab govitecan versus chemotherapy in patients with metastatic triple-negative breast cancer. Ann Oncol 2021; 32:1148-1156. [PMID: 34116144 DOI: 10.1016/j.annonc.2021.06.002] [Citation(s) in RCA: 133] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/20/2021] [Accepted: 06/02/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND The pivotal phase III ASCENT trial demonstrated improved survival outcomes associated with sacituzumab govitecan (SG), an anti-trophoblast cell-surface antigen 2 (anti-Trop-2) antibody-drug conjugate linked with the topoisomerase-inhibitor SN-38, over single-agent chemotherapy treatment of physician's choice (TPC) in previously treated metastatic triple-negative breast cancer (mTNBC). This prespecified, exploratory biomarker analysis from the ASCENT trial evaluates the association between tumor Trop-2 expression and germline BRCA1/2 mutation status with clinical outcomes. PATIENTS AND METHODS Patients with mTNBC refractory to or progressing after two or more prior chemotherapies, with one or more in the metastatic setting, were randomized to receive SG (10 mg/kg intravenously days 1 and 8, every 21 days) or TPC (capecitabine, eribulin, vinorelbine, or gemcitabine) until disease progression/unacceptable toxicity. Biopsy or surgical specimens were collected at study entry to determine Trop-2 expression level using a validated immunohistochemistry assay and histochemical scoring. Germline BRCA1/2 mutation status was collected at baseline. RESULTS Of 468 assessable patients, 290 had Trop-2 expression data [64% (n = 151 SG) versus 60% (n = 139 TPC)] and 292 had known BRCA1/2 mutation status [63% (n = 149 SG) versus 61% (n = 143 TPC)]. Median progression-free survival in SG- versus TPC-treated patients was 6.9, 5.6, and 2.7 months versus 2.5, 2.2, and 1.6 months for high, medium, and low Trop-2 expression, respectively. Median overall survival (14.2, 14.9, and 9.3 months versus 6.9, 6.9, and 7.6 months) and objective response rates (44%, 38%, and 22% versus 1%, 11%, and 6%) were numerically higher with SG versus TPC in patients with high, medium, and low Trop-2 expression, respectively. Efficacy outcomes were numerically higher with SG versus TPC in patients with and without germline BRCA1/2 mutations. CONCLUSIONS SG benefits patients with previously treated mTNBC expressing high/medium Trop-2 compared with standard-of-care chemotherapy and regardless of germline BRCA1/2 mutation status. The small number of patients with low Trop-2 expression precludes definitive conclusions on the benefit of SG in this subgroup.
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Cumova A, Vymetalkova V, Opattova A, Bouskova V, Pardini B, Kopeckova K, Kozevnikovova R, Lickova K, Ambrus M, Vodickova L, Naccarati A, Soucek P, Vodicka P. Genetic variations in 3´UTRs of SMUG1 and NEIL2 genes modulate breast cancer risk, survival and therapy response. Mutagenesis 2021; 36:269-279. [PMID: 34097065 DOI: 10.1093/mutage/geab017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 06/06/2021] [Indexed: 12/12/2022] Open
Abstract
Breast cancer (BC) is the most frequent malignancy in women accounting for approximately 2 million new cases worldwide annually. Several genetic, epigenetic and environmental factors are known to be involved in BC development and progression, including alterations in post-transcriptional gene regulation mediated by microRNAs (miRNAs). Single nucleotide polymorphisms (SNPs) located in miRNA binding sites (miRSNPs) in 3'-untranslated (UTR) regions of target genes may affect miRNA-binding affinity and consequently modulate gene expression. We have previously reported a significant association of miRSNPs in the SMUG1 and NEIL2 genes with overall survival in colorectal cancer patients. SMUG1 and NEIL2 are DNA glycosylases involved in base excision DNA repair (BER). Assuming that certain genetic traits are common for solid tumours, we have investigated wherever variations in SMUG1 and NEIL2 genes display an association with BC risk, prognosis, and therapy response in a group of 673 BC patients and 675 healthy female controls. Patients with TC genotype of NEIL2 rs6997097 and receiving only hormonal therapy displayed markedly shorter overall survival (OS) (HR=4.15, 95% CI=1.7-10.16, P= 0.002) and disease-free survival (DFS) (HR=2.56, 95% CI=1.5-5.7, P= 0.02). Our results suggest that regulation of base excision repair glycosylases operated by miRNAs may modulate the prognosis of hormonally treated BC.
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Affiliation(s)
- Andrea Cumova
- Department of the Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic.,Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Veronika Vymetalkova
- Department of the Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic.,Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic.,Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Alena Opattova
- Department of the Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic.,Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic.,Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Veronika Bouskova
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Barbara Pardini
- IIGM Italian Institute for Genomic Medicine, Candiolo, Italy.,Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Italy
| | - Katerina Kopeckova
- Department of Oncology, Second Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic
| | | | - Katerina Lickova
- Radiotherapy and Oncology Department, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic
| | - Miloslav Ambrus
- Radiotherapy and Oncology Department, Third Faculty of Medicine, Charles University and University Hospital Kralovske Vinohrady, Prague, Czech Republic
| | - Ludmila Vodickova
- Department of the Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic.,Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic.,Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
| | - Alessio Naccarati
- Department of the Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic.,IIGM Italian Institute for Genomic Medicine, Candiolo, Italy.,Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Italy
| | - Pavel Soucek
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic.,Toxicogenomics Unit, National Institute of Public Health, Prague, Czech Republic
| | - Pavel Vodicka
- Department of the Molecular Biology of Cancer, Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic.,Institute of Biology and Medical Genetics, First Faculty of Medicine, Charles University, Prague, Czech Republic.,Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Pilsen, Czech Republic
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115
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Binienda A, Ziolkowska S, Pluciennik E. The Anticancer Properties of Silibinin: Its Molecular Mechanism and Therapeutic Effect in Breast Cancer. Anticancer Agents Med Chem 2021; 20:1787-1796. [PMID: 31858905 DOI: 10.2174/1871520620666191220142741] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/29/2019] [Accepted: 11/12/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Silibinin (SB), the main component of Silymarin (SM), is a natural substance obtained from the seeds of the milk thistle. SM contains up to 70% of SB as two isoforms: A and B. It has an antioxidant and anti-inflammatory effect on hepatocytes and is known to inhibit cell proliferation, induce apoptosis, and curb angiogenesis. SB has demonstrated activity against many cancers, such as skin, liver, lung, bladder, and breast carcinomas. METHODS This review presents current knowledge of the use of SM in breast cancer, this being one of the most common types of cancer in women. It describes selected molecular mechanisms of the action of SM; for example, although SB influences both Estrogen Receptors (ER), α and β, it has opposite effects on the two. Its action on ERα influences the PI3K/AKT/mTOR and RAS/ERK signaling pathways, while by up-regulating ERβ, it increases the numbers of apoptotic cells. In addition, ERα is involved in SB-induced autophagy, while ERβ is not. Interestingly, SB also inhibits metastasis by suppressing TGF-β2 expression, thus suppressing Epithelial to Mesenchymal Transition (EMT). It also influences migration and invasive potential via the Jak2/STAT3 pathway. RESULTS SB may be a promising enhancement of BC treatment: when combined with chemotherapeutic drugs such as carboplatin, cisplatin, and doxorubicin, the combination exerts a synergistic effect against cancer cells. This may be of value when treating aggressive types of mammary carcinoma. CONCLUSION Summarizing, SB inhibits proliferation, induces apoptosis, and restrains metastasis via several mechanisms. It is possible to combine SB with different anticancer drugs, an approach that represents a promising therapeutic strategy for patients suffering from BC.
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Affiliation(s)
- Agata Binienda
- Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, Lodz, Poland
| | - Sylwia Ziolkowska
- Faculty of Biomedical Sciences and Postgraduate Education, Medical University of Lodz, Lodz, Poland
| | - Elzbieta Pluciennik
- Department of Molecular Carcinogenesis, Medical University of Lodz, Lodz, Poland
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116
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Tiron CE, Patrașcanu E, Postu PA, Vacarean Trandafir IC, Tiron A, Grigoras I. Sevoflurane Modulates AKT Isoforms in Triple Negative Breast Cancer Cells. An Experimental Study. Curr Issues Mol Biol 2021; 43:264-275. [PMID: 34199634 PMCID: PMC8929147 DOI: 10.3390/cimb43010022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 12/12/2022] Open
Abstract
(1) Background: Triple negative breast cancer (TNBC) is a highly aggressive tumor, associated with high rates of early distant recurrence and short survival times, and treatment may require surgery, and thus anesthesia. The effects of anesthetic drugs on cancer progression are under scrutiny, but published data are controversial, and the involved mechanisms unclear. Anesthetic agents have been shown to modulate several molecular cascades, including PI3K/AKT/mTOR. AKT isoforms are frequently amplified in various malignant tumors and associated with malignant cell survival, proliferation and invasion. Their activation is often observed in human cancers and is associated with decreased survival rate. Certain anesthetics are known to affect hypoxia cell signaling mechanisms by upregulating hypoxia-inducible factors (HIFs). (2) Methods: MCF-10A and MDA-MB 231 cells were cultivated and CellTiter-Blue® Cell Viability assay, 2D and 3D matrigel assay, immunofluorescence assays and gene expressions assay were performed after exposure to different sevoflurane concentrations. (3) Results: Sevoflurane exposure of TNBC cells results in morphological and behavioral changes. Sevoflurane differently influences the AKT isoforms expression in a time-dependent manner, with an important early AKT3 upregulation. The most significant effects occur at 72 h after 2 mM sevoflurane treatment and consist in increased viability, proliferation and aggressiveness and increased vimentin and HIF expression. (4) Conclusions: Sevoflurane exposure during surgery may contribute to cancer recurrence via AKT3 induced epithelial–mesenchymal transition (EMT) and by all three AKT isoforms enhanced cancer cell survival and proliferation.
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Affiliation(s)
- Crina E. Tiron
- TRANSCEND Research Center, Regional Institute of Oncology, 700483 Iasi, Romania; (C.E.T.); (P.A.P.); (I.C.V.T.)
| | - Emilia Patrașcanu
- Department of Anaesthesia and Intensive Care, School of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (E.P.); (I.G.)
- Department of Anesthesia and Intensive Care, Regional Institute of Oncology, 700483 Iasi, Romania
| | - Paula A. Postu
- TRANSCEND Research Center, Regional Institute of Oncology, 700483 Iasi, Romania; (C.E.T.); (P.A.P.); (I.C.V.T.)
| | - Irina C. Vacarean Trandafir
- TRANSCEND Research Center, Regional Institute of Oncology, 700483 Iasi, Romania; (C.E.T.); (P.A.P.); (I.C.V.T.)
| | - Adrian Tiron
- TRANSCEND Research Center, Regional Institute of Oncology, 700483 Iasi, Romania; (C.E.T.); (P.A.P.); (I.C.V.T.)
- Correspondence:
| | - Ioana Grigoras
- Department of Anaesthesia and Intensive Care, School of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (E.P.); (I.G.)
- Department of Anesthesia and Intensive Care, Regional Institute of Oncology, 700483 Iasi, Romania
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117
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Petrović N, Nakashidze I, Nedeljković M. Breast Cancer Response to Therapy: Can microRNAs Lead the Way? J Mammary Gland Biol Neoplasia 2021; 26:157-178. [PMID: 33479880 DOI: 10.1007/s10911-021-09478-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 01/17/2021] [Indexed: 12/23/2022] Open
Abstract
Breast cancer (BC) is a leading cause of death among women with malignant diseases. The selection of adequate therapies for highly invasive and metastatic BCs still represents a major challenge. Novel combinatorial therapeutic approaches are urgently required to enhance the efficiency of BC treatment. Recently, microRNAs (miRNAs) emerged as key regulators of the complex mechanisms that govern BC therapeutic resistance and susceptibility. In the present review we aim to critically examine how miRNAs influence BC response to therapies, or how to use miRNAs as a basis for new therapeutic approaches. We summarized recent findings in this rapidly evolving field, emphasizing the challenges still ahead for the successful implementation of miRNAs into BC treatment while providing insights for future BC management.The goal of this review was to propose miRNAs, that might simultaneously improve the efficacy of all four therapies that are the backbone of current BC management (radio-, chemo-, targeted, and hormone therapy). Among the described miRNAs, miR-21 and miR-16 emerged as the most promising, closely followed by miR-205, miR-451, miR-182, and miRNAs from the let-7 family. miR-21 inhibition might be the best choice for future improvement of invasive BC treatment.New therapeutic strategies of miRNA-based agents alongside current standard treatment modalities could greatly benefit BC patients. This review represents a guideline on how to navigate this elaborate puzzle.
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Affiliation(s)
- Nina Petrović
- Laboratory for Radiobiology and Molecular Genetics, Department of Health and Environment, "VINČA" Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12-14, 11001, Belgrade, Serbia.
- Department for Experimental Oncology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000, Belgrade, Serbia.
| | - Irina Nakashidze
- Department of Biology, Natural Science and Health Care, Batumi Shota Rustaveli State University, Ninoshvili str. 35, 6010, Batumi, Georgia
| | - Milica Nedeljković
- Department for Experimental Oncology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000, Belgrade, Serbia
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118
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Gangliosides as Signaling Regulators in Cancer. Int J Mol Sci 2021; 22:ijms22105076. [PMID: 34064863 PMCID: PMC8150402 DOI: 10.3390/ijms22105076] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 05/07/2021] [Accepted: 05/07/2021] [Indexed: 02/06/2023] Open
Abstract
At the plasma membrane, gangliosides, a group of glycosphingolipids, are expressed along with glycosphingolipids, phospholipids, and cholesterol in so-called lipid rafts that interact with signaling receptors and related molecules. Most cancers present abnormalities in the intracellular signal transduction system involved in tumor growth, invasion, and metastasis. To date, the roles of gangliosides as regulators of signal transduction have been reported in several cancer types. Gangliosides can be expressed by the exogenous ganglioside addition, with their endogenous expression regulated at the enzymatic level by targeting specific glycosyltransferases. Accordingly, the relationship between changes in the composition of cell surface gangliosides and signal transduction has been investigated by controlling ganglioside expression. In cancer cells, several types of signaling molecules are positively or negatively regulated by ganglioside expression levels, promoting malignant properties. Moreover, antibodies against gangliosides have been shown to possess cytotoxic effects on ganglioside-expressing cancer cells. In the present review, we highlight the involvement of gangliosides in the regulation of cancer cell signaling, and we explore possible therapies targeting ganglioside-expressing cancer.
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119
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Long non-coding RNA LINC01559 serves as a competing endogenous RNA accelerating triple-negative breast cancer progression. Biomed J 2021; 45:512-521. [PMID: 35715331 PMCID: PMC9421927 DOI: 10.1016/j.bj.2021.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 04/27/2021] [Accepted: 05/11/2021] [Indexed: 12/24/2022] Open
Abstract
Background Long non-coding RNA (lncRNA) is an endogenous RNA over 200 nt in length involved in gene regulation. LINC01559 is a novel lncRNA that has been identified as a fundamental player in human cancer. However, its role in triple-negative breast cancer (TNBC) remains unknown. Here, we explored the expression, function and clinical implication of LINC01559 in TNBC. Methods RNA expression was detected by qRT-PCR analysis. Cell Counting Kit-8 (CCK-8), 5-Ethynyl-2′-deoxyuridine (EdU), wound healing and Transwell assays were used to test cell viability, DNA synthesis rate, migration and invasion, respectively. The competing endogenous RNA (ceRNA) axis involved in LINC01559 was determined by RNA pull-down and luciferase reporter assays. The xenograft model was used to verify the function of LINC01559 in vivo. Results LINC01559 was significantly increased in TNBC tissues as compared to matched normal tissues, which was due to high levels of H3K4Me3 and H3K27Ac in the promoter region. Knockdown of LINC01559 inhibited TNBC cell proliferation, migration and invasion in vitro, and also retarded tumor growth and reduced lung metastasis in vivo. Mechanistically, LINC01559 served as a ceRNA that sponged miR-370-3p, miR-485-5p and miR-940, resulting in increasing the expression of a cohort of oncogenes, thus accelerating TNBC progression. Conclusions Our data provide a comprehensive analysis of LINC01559 in TNBC, we found that LINC01559 functioned as a carcinogenic ceRNA via sponging miRNAs. Targeting of LINC01559 may be a potential treatment for TNBC patients.
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Arundhathi JRD, Mathur SR, Gogia A, Deo SVS, Mohapatra P, Prasad CP. Metabolic changes in triple negative breast cancer-focus on aerobic glycolysis. Mol Biol Rep 2021; 48:4733-4745. [PMID: 34047880 DOI: 10.1007/s11033-021-06414-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/16/2021] [Indexed: 02/06/2023]
Abstract
Among breast cancer subtypes, the triple negative breast cancer (TNBC) has the worst prognosis. In absence of any permitted targeted therapy, standard chemotherapy is the mainstay for TNBC treatment. Hence, there is a crucial need to identify potential druggable targets in TNBCs for its effective treatment. In recent times, metabolic reprogramming has emerged as cancer cells hallmark, wherein cancer cells display discrete metabolic phenotypes to fuel cell progression and metastasis. Altered glycolysis is one such phenotype, in which even in oxygen abundance majority of cancer cells harvest considerable amount of energy through elevated glycolytic-flux. In the present review, we attempt to summarize the role of key glycolytic enzymes i.e. HK, Hexokinase; PFK, Phosphofructokinase; PKM2, Pyruvate kinase isozyme type 2; and LDH, Lactate dehydrogenase in TNBCs, and possible therapeutic options presently available.
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Affiliation(s)
- J R Dev Arundhathi
- Department of Medical Oncology, Dr BRA IRCH, AIIMS, New Delhi, 110029, India
| | - Sandeep R Mathur
- Department of Pathology, Dr BRA IRCH, AIIMS, New Delhi, 110029, India
| | - Ajay Gogia
- Department of Medical Oncology, Dr BRA IRCH, AIIMS, New Delhi, 110029, India
| | - S V S Deo
- Department of Surgical Oncology, Dr BRA IRCH, AIIMS, New Delhi, 110029, India
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Adrada BE, Candelaria R, Moulder S, Thompson A, Wei P, Whitman GJ, Valero V, Litton JK, Santiago L, Scoggins ME, Moseley TW, White JB, Ravenberg EE, Yang WT, Rauch GM. Early ultrasound evaluation identifies excellent responders to neoadjuvant systemic therapy among patients with triple-negative breast cancer. Cancer 2021; 127:2880-2887. [PMID: 33878210 DOI: 10.1002/cncr.33604] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/06/2021] [Accepted: 03/18/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND Heterogeneity exists in the response of triple-negative breast cancer (TNBC) to standard anthracycline (AC)/taxane-based neoadjuvant systemic therapy (NAST), with 40% to 50% of patients having a pathologic complete response (pCR) to therapy. Early assessment of the imaging response during NAST may identify a subset of TNBCs that are likely to have a pCR upon completion of treatment. The authors aimed to evaluate the performance of early ultrasound (US) after 2 cycles of neoadjuvant NAST in identifying excellent responders to NAST among patients with TNBC. METHODS Two hundred fifteen patients with TNBC were enrolled in the ongoing ARTEMIS (A Robust TNBC Evaluation Framework to Improve Survival) clinical trial. The patients were divided into a discovery cohort (n = 107) and a validation cohort (n = 108). A receiver operating characteristic analysis with 95% confidence intervals (CIs) and a multivariate logistic regression analysis were performed to model the probability of a pCR on the basis of the tumor volume reduction (TVR) percentage by US from the baseline to after 2 cycles of AC. RESULTS Overall, 39.3% of the patients (42 of 107) achieved a pCR. A positive predictive value (PPV) analysis identified a cutoff point of 80% TVR after 2 cycles; the pCR rate was 77% (17 of 22) in patients with a TVR ≥ 80%, and the area under the curve (AUC) was 0.84 (95% CI, 0.77-0.92; P < .0001). In the validation cohort, the pCR rate was 44%. The PPV for pCR with a TVR ≥ 80% after 2 cycles was 76% (95% CI, 55%-91%), and the AUC was 0.79 (95% CI, 0.70-0.87; P < .0001). CONCLUSIONS The TVR percentage by US evaluation after 2 cycles of NAST may be a cost-effective early imaging biomarker for a pCR to AC/taxane-based NAST.
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Affiliation(s)
- Beatriz E Adrada
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Rosalind Candelaria
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Stacy Moulder
- Department of Breast Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Alastair Thompson
- Department of Breast Surgery, University of Baylor College of Medicine, Houston, Texas.,Lester and Sue Smith Breast Cancer, University of Baylor College of Medicine, Houston, Texas
| | - Peng Wei
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Gary J Whitman
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Vicente Valero
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jennifer K Litton
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Lumarie Santiago
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Marion E Scoggins
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Tanya W Moseley
- Department of Breast Imaging and Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jason B White
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Elizabeth E Ravenberg
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Wei T Yang
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Gaiane M Rauch
- Department of Breast Imaging, The University of Texas MD Anderson Cancer Center, Houston, Texas
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122
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Cressey P, Amrahli M, So PW, Gedroyc W, Wright M, Thanou M. Image-guided thermosensitive liposomes for focused ultrasound enhanced co-delivery of carboplatin and SN-38 against triple negative breast cancer in mice. Biomaterials 2021; 271:120758. [PMID: 33774525 DOI: 10.1016/j.biomaterials.2021.120758] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/23/2021] [Accepted: 03/11/2021] [Indexed: 12/20/2022]
Abstract
Triggerable nanocarriers have the potential to significantly improve the therapeutic index of existing anticancer agents. They allow for highly localised delivery and release of therapeutic cargos, reducing off-target toxicity and increasing anti-tumour activity. Liposomes may be engineered to respond to an externally applied stimulus such as focused ultrasound (FUS). Here, we report the first co-delivery of SN-38 (irinotecan's super-active metabolite) and carboplatin, using an MRI-visible thermosensitive liposome (iTSL). MR contrast enhancement was achieved by the incorporation of a gadolinium lipid conjugate in the liposome bilayer along with a dye-labelled lipid for near infrared fluorescence bioimaging. The resulting iTSL were successfully loaded with SN-38 in the lipid bilayer and carboplatin in the aqueous core - allowing co-delivery of both. The iTSL demonstrated both thermosensitivity and MR-imageability. In addition, they showed effective local targeted co-delivery of carboplatin and SN-38 after triggered release with brief FUS treatments. A single dosage induced significant improvement of anti-tumour activity (over either the free drugs or the iTSL without FUS-activation) in triple negative breast cancer xenografts tumours in mice.
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Affiliation(s)
- Paul Cressey
- School of Cancer & Pharmaceutical Sciences, King's College London, UK
| | - Maral Amrahli
- School of Cancer & Pharmaceutical Sciences, King's College London, UK
| | - Po-Wah So
- Institute of Psychiatry, Psychology & Neuroscience, King's College London, UK
| | - Wladyslaw Gedroyc
- Radiology Department, Imperial College Healthcare NHS Trust, London, UK
| | - Michael Wright
- School of Cancer & Pharmaceutical Sciences, King's College London, UK
| | - Maya Thanou
- School of Cancer & Pharmaceutical Sciences, King's College London, UK.
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Roessner A, Lohmann C, Jechorek D. Translational cell biology of highly malignant osteosarcoma. Pathol Int 2021; 71:291-303. [PMID: 33631032 DOI: 10.1111/pin.13080] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 01/31/2021] [Indexed: 12/19/2022]
Abstract
Highly malignant osteosarcoma (HMO) is the most frequent malignant bone tumor preferentially occurring in adolescents and children with a second more flat peak in patients over the age of 60. The younger patients benefit from combined neoadjuvant chemotherapy with 65-70% 5-year survival rate. In patients with metastatic HMO the 5-year survival rate is consistently poor with approximately 30%. In the last several years strategies for target therapies have been developed by using next generation sequencing (NGS) for defining targetable molecular factors. However, it has so far been challenging to establish an effective target therapy for so-called 'orphan tumors' without recognizable driver mutations, including HMO. The molecular genetic studies using NGS have shown that HMOs are genomically unstable tumors with highly complex chaotic karyotypes. Before the background of this genetic complexity more investigations should be performed in the future for defining targetable biological factors. As the prognosis could not be improved for 40 years one may expect improvements for patients only by gaining a deeper understanding of the cell and molecular biology of HMO. The cell of origin of HMO is being clarified now. The majority of studies indicate that an osteoblastic progenitor cell is probably the cell of origin of HMO and not an undifferentiated mesenchymal stem cell. This means that the established histopathological definition of HMO through verification of osteoid production by the osteoblastic cells is well justified and will probably be the cornerstone for a precise differential diagnosis of HMO also in the years to come.
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Affiliation(s)
- Albert Roessner
- Department of Pathology, Otto-von-Guericke University, Magdeburg, Germany
| | - Christoph Lohmann
- Department of Orthopedics, Otto-von-Guericke University, Magdeburg, Germany
| | - Doerthe Jechorek
- Department of Pathology, Otto-von-Guericke University, Magdeburg, Germany
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124
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Role of ABCB1 in mediating chemoresistance of triple-negative breast cancers. Biosci Rep 2021; 41:227788. [PMID: 33543229 PMCID: PMC7909869 DOI: 10.1042/bsr20204092] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/14/2021] [Accepted: 02/04/2021] [Indexed: 12/31/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is a group of breast cancers which neither express hormonal receptors nor human epidermal growth factor receptor. Hence, there is a lack of currently known targeted therapies and the only available line of systemic treatment option is chemotherapy or more recently immune therapy. However, in patients with relapsed disease after adjuvant or neoadjuvant therapy, resistance to chemotherapeutic agents has often developed, which results in poor treatment response. Multidrug resistance (MDR) has emerged as an important mechanism by which TNBCs mediate drug resistance and occurs primarily due to overexpression of ATP-binding cassette (ABC) transporter proteins such as P-glycoprotein (Pgp). Pgp overexpression had been linked to poor outcome, reduced survival rates and chemoresistance in patients. The aim of this mini-review is to provide a topical overview of the recent studies and to generate further interest in this critical research area, with the aim to develop an effective and safe approach for overcoming Pgp-mediated chemoresistance in TNBC.
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125
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Grandal B, Mangiardi-Veltin M, Laas E, Laé M, Meseure D, Bataillon G, El-Alam E, Darrigues L, Dumas E, Daoud E, Vincent-Salomon A, Talagrand LS, Pierga JY, Reyal F, Hamy AS. PD-L1 Expression after Neoadjuvant Chemotherapy in Triple-Negative Breast Cancers Is Associated with Aggressive Residual Disease, Suggesting a Potential for Immunotherapy. Cancers (Basel) 2021; 13:cancers13040746. [PMID: 33670162 PMCID: PMC7916886 DOI: 10.3390/cancers13040746] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/25/2021] [Accepted: 02/07/2021] [Indexed: 12/31/2022] Open
Abstract
The consequences of neoadjuvant chemotherapy (NAC) for PD-L1 activity in triple-negative breast cancers (TNBC) are not well-understood. This is an important issue as PD-LI might act as a biomarker for immune checkpoint inhibitors' (ICI) efficacy, at a time where ICI are undergoing rapid development and could be beneficial in patients who do not achieve a pathological complete response. We used immunohistochemistry to assess PD-L1 expression in surgical specimens (E1L3N clone, cutoff for positivity: ≥1%) on both tumor (PD-L1-TC) and immune cells (PD-L1-IC) from a cohort of T1-T3NxM0 TNBCs treated with NAC. PD-L1-TC was detected in 17 cases (19.1%) and PD-L1-IC in 14 cases (15.7%). None of the baseline characteristics of the tumor or the patient were associated with PD-L1 positivity, except for pre-NAC stromal TIL levels, which were higher in post-NAC PD-L1-TC-positive than in negative tumors. PD-L1-TC were significantly associated with a higher residual cancer burden (p = 0.035) and aggressive post-NAC tumor characteristics, whereas PD-L1-IC were not. PD-L1 expression was not associated with relapse-free survival (RFS) (PD-L1-TC, p = 0.25, and PD-L1-IC, p = 0.95) or overall survival (OS) (PD-L1-TC, p = 0.48, and PD-L1-IC, p = 0.58), but high Ki67 levels after NAC were strongly associated with a poor prognosis (RFS, p = 0.0014, and OS, p = 0.001). A small subset of TNBC patients displaying PD-L1 expression in the context of an extensive post-NAC tumor burden could benefit from ICI treatment after standard NAC.
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Affiliation(s)
- Beatriz Grandal
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, University Paris, 75005 Paris, France; (B.G.); (E.L.); (E.D.); (E.D.); (A.-S.H.)
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
| | - Manon Mangiardi-Veltin
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
| | - Enora Laas
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, University Paris, 75005 Paris, France; (B.G.); (E.L.); (E.D.); (E.D.); (A.-S.H.)
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
| | - Marick Laé
- Department of Pathology, Henri Becquerel Cancer Center, INSERM U1245, UniRouen Normandy University, 76038 Rouen, France;
- Department of Pathology, Institut Curie, University Paris, 75005 Paris, France; (D.M.); (G.B.); (E.E.-A.); (A.V.-S.)
| | - Didier Meseure
- Department of Pathology, Institut Curie, University Paris, 75005 Paris, France; (D.M.); (G.B.); (E.E.-A.); (A.V.-S.)
| | - Guillaume Bataillon
- Department of Pathology, Institut Curie, University Paris, 75005 Paris, France; (D.M.); (G.B.); (E.E.-A.); (A.V.-S.)
| | - Elsy El-Alam
- Department of Pathology, Institut Curie, University Paris, 75005 Paris, France; (D.M.); (G.B.); (E.E.-A.); (A.V.-S.)
| | - Lauren Darrigues
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
| | - Elise Dumas
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, University Paris, 75005 Paris, France; (B.G.); (E.L.); (E.D.); (E.D.); (A.-S.H.)
| | - Eric Daoud
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, University Paris, 75005 Paris, France; (B.G.); (E.L.); (E.D.); (E.D.); (A.-S.H.)
| | - Anne Vincent-Salomon
- Department of Pathology, Institut Curie, University Paris, 75005 Paris, France; (D.M.); (G.B.); (E.E.-A.); (A.V.-S.)
| | - Laure-Sophie Talagrand
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
| | - Jean-Yves Pierga
- Department of Medical Oncology, Institut Curie, University Paris, 75005 Paris, France;
| | - Fabien Reyal
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, University Paris, 75005 Paris, France; (B.G.); (E.L.); (E.D.); (E.D.); (A.-S.H.)
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
- Correspondence: ; Tel.: +33-144324660 or +33-615271980
| | - Anne-Sophie Hamy
- Residual Tumor & Response to Treatment Laboratory, RT2Lab, Translational Research Department, INSERM, U932 Immunity and Cancer, University Paris, 75005 Paris, France; (B.G.); (E.L.); (E.D.); (E.D.); (A.-S.H.)
- Department of Surgical Oncology, Institut Curie, University Paris, 75005 Paris, France; (M.M.-V.); (L.D.); (L.-S.T.)
- Department of Pathology, Henri Becquerel Cancer Center, INSERM U1245, UniRouen Normandy University, 76038 Rouen, France;
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126
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Pandurangi RS, Tomasetti M, Verapazham ST, Paulmurugan R, Ma C, Rajput S, Anjanappa M, Nakshatri H. A Priori Activation of Apoptosis Pathways of Tumor (AAAPT) technology: Development of targeted apoptosis initiators for cancer treatment. PLoS One 2021; 16:e0225869. [PMID: 33556062 PMCID: PMC7870153 DOI: 10.1371/journal.pone.0225869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 12/18/2020] [Indexed: 11/24/2022] Open
Abstract
Cancer cells develop tactics to circumvent the interventions by desensitizing themselves to interventions. Amongst many, the principle routes of desensitization include a) activation of survival pathways (e.g. NF-kB, PARP) and b) downregulation of cell death pathways (e.g. CD95/CD95L). As a result, it requires high therapeutic dose to achieve tumor regression which, in turn damages normal cells through the collateral effects. Methods are needed to sensitize the low and non-responsive resistant tumor cells including cancer stem cells (CSCs) in order to evoke a better response from the current treatments. Current treatments including chemotherapy can induce cell death only in bulk cancer cells sparing CSCs and cancer resistant cells (CRCs) which are shown to be responsible for high recurrence of disease and low patient survival. Here, we report several novel tumor targeted sensitizers derived from the natural Vitamin E analogue (AMP-001-003). The drug design is based on a novel concept "A priori activation of apoptosis pathways of tumor technology (AAAPT) which is designed to activate specific cell death pathways and inhibit survival pathways simultaneously and selectively in cancer cells sparing normal cells. Our results indicate that AMP-001-003 sensitize various types of cancer cells including MDA-MB-231 (triple negative breast cancer), PC3 (prostate cancer) and A543 (lung cancer) cells resulting in reducing the IC-50 of doxorubicin in vitro when used as a combination. At higher doses, AMP-001 acts as an anti-tumor agent on its own. The synergy between AMP-001 and doxorubicin could pave a new pathway to use AAAPT leading molecules as neoadjuvant to chemotherapy to achieve better efficacy and reduced off-target toxicity compared to the current treatments.
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Affiliation(s)
- Raghu S. Pandurangi
- Sci-Engi-Medco Solutions Inc., St Charles, Missouri, United States of America
| | - Marco Tomasetti
- Department of Clinical and Molecular Sciences, Section of Experimental and Occupational Medicine, Polytechnic University of Marche, Ancona, Italy
| | - Sekar T. Verapazham
- Molecular Imaging Program at Stanford (MIPS), Canary Center for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, California, United States of America
| | - Ramasamy Paulmurugan
- Molecular Imaging Program at Stanford (MIPS), Canary Center for Cancer Early Detection, Department of Radiology, Stanford University School of Medicine, Palo Alto, California, United States of America
| | - Cynthia Ma
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Sandeep Rajput
- Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Manjushree Anjanappa
- Department Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
| | - Harikrishna Nakshatri
- Department Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, United States of America
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127
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Abstract
Breast cancer is the most common malignancy in women. Basic and translational breast cancer research relies heavily on experimental animal models. Ideally, such models for breast cancer should have commonality with human breast cancer in terms of tumor etiology, biological behavior, pathology, and response to therapeutics. This review introduces current progress in different breast cancer experimental animal models and analyzes their characteristics, advantages, disadvantages, and potential applications. Finally, we propose future research directions for breast cancer animal models.
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Affiliation(s)
- Li Zeng
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China.,Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan 650204, China
| | - Wei Li
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China.,Kunming College of Life Science, University of the Chinese Academy of Sciences, Kunming, Yunnan 650204, China
| | - Ce-Shi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China.,KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan 650223, China. E-mail:
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128
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Xie N, Xu Y, Zhong Y, Li J, Yao H, Qin T. Clinicopathological Characteristics and Treatment Strategies of Triple-Negative Breast Cancer Patients With a Survival Longer than 5 Years. Front Oncol 2021; 10:617593. [PMID: 33598434 PMCID: PMC7882729 DOI: 10.3389/fonc.2020.617593] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 12/17/2020] [Indexed: 12/27/2022] Open
Abstract
Purpose Triple-negative breast cancer (TNBC) is characterized by high malignancy and a poor prognosis. Patients with TNBC who survive longer than 5 years represent a unique portion of the population. This study aimed to analyze the clinicopathological features, explore prognostic factors, and evaluate treatment options for these patients. Methods A total of 24,943 TNBC patients were enrolled from the national Surveillance, Epidemiology, and End Results (SEER) database between January 2010 and December 2016. The patients were divided into three groups: group 1, survival time <3 years; group 2, 3–5 years; and group 3, survival time ≥5 years. The overall survival (OS) and breast cancer cause-specific survival (BCSS) were primarily assessed in this study. A propensity score analysis was used to avoid bias caused by the data selection criteria. We used a Cox hazard ratio analysis to determine prognostic factors, which were selected as nomogram parameters to develop a model for predicting patient survival. Results Patients who survived longer than 5 years were more likely to be younger than 55 years, Caucasian, and exhibit a lower AJCC stage, N stage, distant metastasis, lymph node (LN) involvement, and tumor size than those with a shorter survival time (p < 0.05). The multivariable Cox regression analysis showed that age, race, tumor size, LN status, and chemotherapy were independent prognostic factors. Subgroup analyses for patients with tumors ≤20 mm displayed a superior OS and BCSS for breast-conserving surgery (BCS) not treated with a mastectomy. BCS provided at least an equivalent prognosis to a mastectomy in patients with tumors larger than 20 mm. A nomogram with a C-index of 0.776 (95% confidence interval: 0.767–0.785) was developed to predict the 3- and 5-year survival probability for the patients with TNBC. Conclusion A localized surgical approach may represent a superior choice for TNBC patients with a survival time longer than 5 years. Our study indicated that age, race, tumor size, LN status, and chemotherapy were independent prognostic factors. A prognostic nomogram directly quantified patient risk and was better able to predict long-term survival in TNBC patients.
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Affiliation(s)
- Ning Xie
- Department of Medical Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ying Xu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ying Zhong
- Department of Medical Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Junwei Li
- Department of Medical Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Herui Yao
- Department of Medical Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.,Breast Tumor Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Tao Qin
- Department of Medical Oncology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
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129
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Bonnet J, Rigal L, Mondesert O, Morin R, Corsaut G, Vigneau M, Ducommun B, Lobjois V. Mitotic arrest affects clustering of tumor cells. Cell Div 2021; 16:2. [PMID: 33514388 PMCID: PMC7847029 DOI: 10.1186/s13008-021-00070-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 01/12/2021] [Indexed: 12/11/2022] Open
Abstract
Background Cancer cell aggregation is a key process involved in the formation of tumor cell clusters. It has recently been shown that clusters of circulating tumor cells (CTCs) have an increased metastatic potential compared to isolated circulating tumor cells. Several widely used chemotherapeutic agents that target the cytoskeleton microtubules and cause cell cycle arrest at mitosis have been reported to modulate CTC number or the size of CTC clusters. Results In this study, we investigated in vitro the impact of mitotic arrest on the ability of breast tumor cells to form clusters. By using live imaging and quantitative image analysis, we found that MCF-7 cancer cell aggregation is compromised upon incubation with paclitaxel or vinorelbine, two chemotherapeutic drugs that target microtubules. In line with these results, we observed that MCF-7 breast cancer cells experimentally synchronized and blocked in metaphase aggregated poorly and formed loose clusters. To monitor clustering at the single-cell scale, we next developed and validated an in vitro assay based on live video-microscopy and custom-designed micro-devices. The study of cluster formation from MCF-7 cells that express the fluorescent marker LifeAct-mCherry using this new assay allowed showing that substrate anchorage-independent clustering of MCF-7 cells was associated with the formation of actin-dependent highly dynamic cell protrusions. Metaphase-synchronized and blocked cells did not display such protrusions, and formed very loose clusters that failed to compact. Conclusions Altogether, our results suggest that mitotic arrest induced by microtubule-targeting anticancer drugs prevents cancer cell clustering and therefore, could reduce the metastatic potential of circulating tumor cells.
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Affiliation(s)
- Julia Bonnet
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France
| | - Lise Rigal
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France
| | - Odile Mondesert
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France
| | | | - Gaëlle Corsaut
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France
| | - Mathieu Vigneau
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France
| | - Bernard Ducommun
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France.,CHU de Toulouse, Toulouse, France
| | - Valérie Lobjois
- Université de Toulouse, ITAV, CNRS, ITAV-USR3505, 1 Place Pierre Potier, Toulouse Cedex 1, 31106, France.
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130
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Kwon Y. Possible Beneficial Effects of N-Acetylcysteine for Treatment of Triple-Negative Breast Cancer. Antioxidants (Basel) 2021; 10:169. [PMID: 33498875 PMCID: PMC7911701 DOI: 10.3390/antiox10020169] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 01/21/2021] [Accepted: 01/21/2021] [Indexed: 12/24/2022] Open
Abstract
N-acetylcysteine (NAC) is a widely used antioxidant with therapeutic potential. However, the cancer-promoting effect of NAC observed in some preclinical studies has raised concerns regarding its clinical use. Reactive oxygen species (ROS) can mediate signaling that results in both cancer-promoting and cancer-suppressing effects. The beneficial effect of NAC may depend on whether the type of cancer relies on ROS signaling for its survival and metastasis. Triple-negative breast cancer (TNBC) has aggressive phenotypes and is currently treated with standard chemotherapy as the main systemic treatment option. Particularly, basal-like TNBC cells characterized by inactivated BRCA1 and mutated TP53 produce high ROS levels and rely on ROS signaling for their survival and malignant progression. In addition, the high ROS levels in TNBC cells can mediate the interplay between cancer cells and the tissue microenvironment (TME) to trigger the recruitment and conversion of stromal cells and induce hypoxic responses, thus leading to the creation of cancer-supportive TMEs and increased cancer aggressiveness. However, NAC treatment effectively reduces the ROS production and ROS-mediated signaling that contribute to cell survival, metastasis, and drug resistance in TNBC cells. Therefore, the inclusion of NAC in standard chemotherapy could probably provide additional benefits for TNBC patients.
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Affiliation(s)
- Youngjoo Kwon
- Department of Food Science and Engineering, Ewha Womans University, Seoul 03760, Korea
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131
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Liu J, Wang S, Wang C, Kong X, Sun P. Prognostic value of using glucosylceramide synthase and cytochrome P450 family 1 subfamily A1 expression levels for patients with triple-negative breast cancer following neoadjuvant chemotherapy. Exp Ther Med 2021; 21:247. [PMID: 33603855 DOI: 10.3892/etm.2021.9678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 11/06/2020] [Indexed: 12/11/2022] Open
Abstract
Neoadjuvant chemotherapy (NACT) has been considered to be the preferred treatment option for early operable triple-negative breast cancer (TNBC). However, resistance to drugs remains to be the barrier to the efficacy of NACT. Glucosylceramide synthase (GCS) and cytochrome P450 family 1 subfamily A1 (CYP1A1) have been previously associated with drug resistance in breast cancer. The present study aimed to explore whether the expression levels of GCS and/or CYP1A1 are associated with the prognosis of TNBC after NACT. Immunohistochemistry was used to detect and measure GCS and CYP1A1 expression. Associations between GCS or CYP1A1 expression and the clinicopathological characteristics, pathological complete response (pCR), clinical complete response (cCR) and disease-free survival (DFS) were analyzed. GCS expression was found to be associated with tumor size (P=0.021) and TNM staging (P=0.042), whilst CYP1A1 expression was associated with lymph node metastasis (P = 0.026) and TNM staging (P=0.034). The expression levels of GCS (P=0.024) and CYP1A1 (P=0.027) were upregulated after NACT. GCS and CYP1A1 expression were positively correlated (P=0.003; r=0.327). No difference was observed between the GCS+ (P=0.188) or CYP1A1+ group (P=0.073) and the GCS- or CYP1A1- group in terms of pCR. However, compared with that in the GCS+CYP1A1+ group, the pCR was markedly increased in the GCS-CYP1A1- group (P=0.031). The cCR was lower in the GCS+ (P=0.021) and CYP1A1+ groups (P=0.016) compared with in the GCS- or CYP1A1- group. The DFS rate (57.9 vs. 65.4%; P=0.049) was lower in the GCS+CYP1A1+ group compared with that in the GCS-CYP1A1- group. However, there was no statistical significance after P-value was adjusted for multiple comparisons using Bonferroni correction. In conclusion, co-expression of GCS and CYP1A1 was associated with pCR and DFS in TNBC, which may serve a role in the prediction of the prognosis of patients with TNBC following treatment with NACT.
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Affiliation(s)
- Jiannan Liu
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Shuhua Wang
- Department of Medical Record Information, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Congcong Wang
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Xiangshuo Kong
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
| | - Ping Sun
- Department of Oncology, Yantai Yuhuangding Hospital, Yantai, Shandong 264000, P.R. China
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Ridwan SM, Hainfeld JF, Ross V, Stanishevskiy Y, Smilowitz HM. Novel Iodine nanoparticles target vascular mimicry in intracerebral triple negative human MDA-MB-231 breast tumors. Sci Rep 2021; 11:1203. [PMID: 33441981 PMCID: PMC7806637 DOI: 10.1038/s41598-020-80862-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 12/23/2020] [Indexed: 02/08/2023] Open
Abstract
Triple negative breast cancer (TNBC), ~ 10-20% of diagnosed breast cancers, metastasizes to brain, lungs, liver. Iodine nanoparticle (INP) radioenhancers specifically localize to human TNBC MDA-MB-231 tumors growing in mouse brains after iv injection, significantly extending survival of mice after radiation therapy (RT). A prominent rim of INP contrast (MicroCT) previously seen in subcutaneous tumors but not intracerebral gliomas, provide calculated X-ray dose-enhancements up to > eightfold. Here, MDA-MB-231-cells, INPs, CD31 were examined by fluorescence confocal microscopy. Most INP staining co-localized with CD31 in the tumor center and periphery. Greatest INP/CD31 staining was in the tumor periphery, the region of increased MicroCT contrast. Tumor cells are seen to line irregularly-shaped spaces (ISS) with INP, CD31 staining very close to or on the tumor cell surface and PAS stain on their boundary and may represent a unique form of CD31-expressing vascular mimicry in intracerebral 231-tumors. INP/CD31 co-staining is also seen around ISS formed around tumor cells migrating on CD31+ blood-vessels. The significant radiation dose enhancement to the prolific collagen I containing, INP-binding ISS found throughout the tumor but concentrated in the tumor rim, may contribute significantly to the life extensions observed after INP-RT; VM could represent a new drug/NP, particularly INP, tumor-homing target.
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Affiliation(s)
- Sharif M Ridwan
- Department of Cell Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT, 06030, USA
| | | | - Vanessa Ross
- Department of Cell Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT, 06030, USA
| | | | - Henry M Smilowitz
- Department of Cell Biology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT, 06030, USA.
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Noguchi S, Takagi A, Tanaka T, Takahashi Y, Pan X, Kibayashi Y, Mizokami R, Nishimura T, Tomi M. Fluorouracil uptake in triple-negative breast cancer cells: Negligible contribution of equilibrative nucleoside transporters 1 and 2. Biopharm Drug Dispos 2021; 42:85-93. [PMID: 33426680 DOI: 10.1002/bdd.2261] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 12/15/2020] [Accepted: 12/20/2020] [Indexed: 01/07/2023]
Abstract
Equilibrative nucleoside transporters (ENTs) 1 and 2 reportedly accept fluorouracil as a substrate. Here, we evaluated ENT1/2 expression at the messenger RNA (mRNA), protein, and functional levels in a panel of four triple-negative breast cancer (TNBC) cell lines, BT-549, Hs578T, MDA-MB-231, and MDA-MB-435, and we examined the relationship of the observed profiles to fluorouracil sensitivity. Nitrobenzylthioinosine (NBMPR) at 0.1 μM inhibits only ENT1, while dipyridamole at 10 μM or NBMPR at 100 μM inhibits both ENT1 and ENT2. We found that the uptake of [3 H]uridine, a typical substrate of ENT1 and ENT2, was decreased to approximately 40% by 0.1 μM NBMPR. At 100 μM, NBMPR almost completely blocked the saturable uptake of [3 H]uridine, but this does not imply a functional role of ENT2, because 10 μM dipyridamole showed similar inhibition to 0.1 μM NBMPR. Expression of ENT1 mRNA was almost 1 order of magnitude higher than that of ENT2 in all TNBC cell lines. Liquid chromatography-tandem mass spectrometry(LC-MS/MS) LC-MS/MS-based targeted protein quantification showed that ENT1 protein levels were in the range of 9.3-30 fmol/μg protein in plasma membrane fraction of TNBC cell lines, whereas ENT2 protein was below the detection limit. [3 H]Fluorouracil uptake was insensitive to 0.1 μM NBMPR and 10 μM dipyridamole, suggesting a negligible contribution of ENT1 and ENT2 to fluorouracil uptake. The levels of ENT1 mRNA, ENT1 protein, ENT2 mRNA, and ENT1-mediated [3 H]uridine uptake in the four TNBC cell lines showed no correlation with fluorouracil sensitivity. These results indicate that neither ENT1 nor ENT2 contributes significantly to the fluorouracil sensitivity of TNBC cell lines.
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Affiliation(s)
- Saki Noguchi
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Akinori Takagi
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan.,Laboratory of Applied Therapeutics, Showa Pharmaceutical University, Tokyo, Japan
| | - Takahiro Tanaka
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Yu Takahashi
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Xiaole Pan
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Yuka Kibayashi
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Ryo Mizokami
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Tomohiro Nishimura
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Masatoshi Tomi
- Division of Pharmaceutics, Faculty of Pharmacy, Keio University, Tokyo, Japan
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The Shuganhuazheng Formula in Triple-Negative Breast Cancer: A Study Based on Network Pharmacology and In Vivo Experiments. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2020:8173147. [PMID: 33414839 PMCID: PMC7752265 DOI: 10.1155/2020/8173147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/18/2020] [Accepted: 11/26/2020] [Indexed: 02/06/2023]
Abstract
Breast cancer is the most common cancer in women. Among breast cancer subtypes, triple-negative breast cancer (TNBC) has the highest degree of malignancy and the worst prognosis. The Shuganhuazheng formula (SGHZF) is a traditional Chinese herbal formula for the treatment of TNBC, but the mechanism of SGHZF in the treatment of TNBC remains unclear. In this study, the therapeutic effect and mechanism of SGHZF against TNBC were preliminarily determined based on in vivo experimental verification and network pharmacology. In terms of therapeutic effects, the antitumour effect was verified by measuring and calculating tumour volume, and the expression of proto-oncogene c-Myc was verified by PCR. In terms of the mechanism, potential therapeutic targets were identified by overlapping the SGHZF-related and TNBC-related targets. After comprehensively analysing the results of the protein-protein interaction (PPI), gene ontology (GO) function, and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses, Akt and HIF-1α were selected for verification by using immunohistochemical and Western blot analyses. The results of the study indicated that SGHZF can inhibit breast tumour growth in mice and that the mechanism may be related to the inhibition of Akt and HIF-1α expression.
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Nedeljković M, Tanić N, Prvanović M, Milovanović Z, Tanić N. Friend or foe: ABCG2, ABCC1 and ABCB1 expression in triple-negative breast cancer. Breast Cancer 2021; 28:727-736. [PMID: 33420675 DOI: 10.1007/s12282-020-01210-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 12/24/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND ATP-binding cassette (ABC) transporters are responsible for the efflux of a wide variety of anti-cancer agents and have been implicated in the chemoresistance of various solid tumors. Chemoresistance is a major cause of therapeutic failure, especially in the highly aggressive triple-negative breast cancer (TNBC) in which, unlike estrogen receptor-expressing (ER+) BC, both endocrine and targeted treatments are ineffectual. We aimed to investigate the level and frequency of expression of the three most important ABC transporter, ABCG2, ABCC1, and ABCB1, according to breast cancer subtype. METHODS We evaluated ABCG2, ABCC1, and ABCB1 protein expressions in 124 primary breast tumors (78 samples were classified as TNBC, while 46 were classified as ER+) by immunohistochemistry and correlated it to clinicopathological characteristics and outcome. RESULTS All three transporters had significantly higher expression and were more frequently expressed in TNBC compared to ER+ tumors (p < 0.0001). ABCG2 and ABCC1 had a very high level of expression in TNBC that was significantly greater compared to ABCB1 (p < 0.0001). ABCB1 expression was associated with TNBC metastatic spread (p = 0.03). In contrast, TNBC patients with high ABCG2 expression level had significantly longer disease-free interval (p = 0.03) and overall survival (p = 0.007). CONCLUSION ABCG2, ABCC1, and ABCB1 expression in breast cancer is subtype-specific and associated with triple-negative tumors. The expression of ABCB1 may be useful as a marker of metastatic spread. Moreover, unexpectedly, our results showed a beneficial effect of ABCG2 expression on TNBC clinical behavior. These findings could have implications for the implementation of future TNBC treatment strategies.
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Affiliation(s)
- Milica Nedeljković
- Department of Experimental Oncology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000, Belgrade, Serbia.
| | - Nasta Tanić
- Department of Radiobiology and Molecular Genetics, Institute of Nuclear Sciences "Vinča", National Institute of Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12-14, 11351, Belgrade, Serbia
| | - Mirjana Prvanović
- Institute of Pathology, Faculty of Medicine, University of Belgrade, Doktora Subotića 1, 11000, Belgrade, Serbia
| | - Zorka Milovanović
- Department for Pathology and Cytology, Institute for Oncology and Radiology of Serbia, Pasterova 14, 11000, Belgrade, Serbia
| | - Nikola Tanić
- Department of Neurobiology, Institute for Biological Research "Siniša Stanković"-National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11000, Belgrade, Serbia
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136
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Si Y, Xu Y, Guan J, Chen K, Kim S, Yang ES, Zhou L, Liu XM. Anti-EGFR antibody-drug conjugate for triple-negative breast cancer therapy. Eng Life Sci 2021; 21:37-44. [PMID: 33531889 PMCID: PMC7837297 DOI: 10.1002/elsc.202000027] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 12/13/2022] Open
Abstract
Triple-negative breast cancers (TNBCs) are highly aggressive, metastatic and recurrent. Cytotoxic chemotherapies with limited clinical benefits and severe side effects are the standard therapeutic strategies, but, to date, there is no efficacious targeted therapy. Literature and our data showed that epidermal growth factor receptor (EGFR) is overexpressed on TNBC cell surface and is a promising oncological target. The objective of this study was to develop an antibody-drug conjugate (ADC) to target EGFR+ TNBC and deliver high-potency drug. First, we constructed an ADC by conjugating anti-EGFR monoclonal antibody with mertansine which inhibits microtubule assembly via linker Sulfo-SMCC. Second, we confirmed the TNBC-targeting specificity of anti-EGFR ADC by evaluating its surface binding and internalization in MDA-MB-468 cells and targeting to TNBC xenograft in subcutaneous mouse mode. The live-cell and live-animal imaging with confocal laser scanning microscopy and In Vivo Imaging System (IVIS) confirmed the TNBC-targeting. Finally, both in vitro toxicity assay and in vivo anti-cancer efficacy study in TNBC xenograft models showed that the constructed ADC significantly inhibited TNBC growth, and the pharmacokinetics study indicated its high circulation stability. This study indicated that the anti-EGFR ADC has a great potential to against TNBC.
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Affiliation(s)
- Yingnan Si
- Department of Biomedical EngineeringUniversity of Alabama at Birmingham (UAB)BirminghamALUSA
| | - Yuanxin Xu
- Department of Biomedical EngineeringUniversity of Alabama at Birmingham (UAB)BirminghamALUSA
| | | | - Kai Chen
- Department of MedicineUABBirminghamALUSA
| | - Seulhee Kim
- Department of Biomedical EngineeringUniversity of Alabama at Birmingham (UAB)BirminghamALUSA
| | - Eddy S. Yang
- Department of Radiation OncologyO'Neal Comprehensive Cancer Center at UABBirminghamALUSA
| | | | - Xiaoguang Margaret Liu
- Department of Biomedical EngineeringUniversity of Alabama at Birmingham (UAB)BirminghamALUSA
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137
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Zhou M, Guo X, Wang M, Qin R. The patterns of antisense long non-coding RNAs regulating corresponding sense genes in human cancers. J Cancer 2021; 12:1499-1506. [PMID: 33531995 PMCID: PMC7847652 DOI: 10.7150/jca.49067] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 12/10/2020] [Indexed: 12/12/2022] Open
Abstract
For decades researches of genomic transcription of all kinds of species have demonstrated that the important role of Long non-coding RNAs (LncRNAs) in whole process of life entity has been more and more attached. Owing to constant developing of advanced technology, especially the emerge of next generation sequencing, researchers could explore further in the depth and breadth of LncRNAs. Given that the unique RNA loci location with its corresponding sense gene, antisense long noncoding RNAs (AS-lncRNAs), which are one of the main categories of LncRNAs classification, would have existed an identified close connection between them in a natural physiological state. This review characterizes the patterns of regulation between AS-lncRNAs and corresponding sense genes during the process of cancer progression in human, with emphases on the regular modulation ways of the potential molecular mechanism of AS-lncRNAs and the summary of underlying treatment targets in human cancers.
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Affiliation(s)
- Min Zhou
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xingjun Guo
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Wang
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Renyi Qin
- Department of Biliary-Pancreatic Surgery, Affiliated Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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138
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Mamnoon B, Loganathan J, Confeld MI, De Fonseka N, Feng L, Froberg J, Choi Y, Tuvin DM, Sathish V, Mallik S. Targeted polymeric nanoparticles for drug delivery to hypoxic, triple-negative breast tumors. ACS APPLIED BIO MATERIALS 2020; 4:1450-1460. [PMID: 33954285 DOI: 10.1021/acsabm.0c01336] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
High recurrence and metastasis to vital organs are the major characteristics of triple-negative breast cancer (TNBC). Low vascular oxygen tension promotes resistance to chemo- and radiation therapy. Neuropilin-1 (NRP-1) receptor is highly expressed on TNBC cells. The tumor-penetrating iRGD peptide interacts with the NRP-1 receptor, triggers endocytosis and transcytosis, and facilitates penetration. Herein, we synthesized a hypoxia-responsive diblock PLA-diazobenzene-PEG copolymer and prepared self-assembled hypoxia-responsive polymersomes (Ps) in an aqueous buffer. The iRGD peptide was incorporated into the polymersome structure to make hypoxia-responsive iRGD-conjugated polymersomes (iPs). Doxorubicin (DOX) was encapsulated in the polymersomes to prepare both targeted and non-targeted hypoxia-responsive polymersomes (DOX-iPs and DOX-Ps, respectively). The polymeric nanoparticles released less than 30% of their encapsulated DOX within 12 hours under normoxic conditions (21% oxygen), whereas under hypoxia (2% Oxygen), doxorubicin release remarkably increased to over 95%. The targeted polymersomes significantly decreased TNBC cells' viability in monolayer and spheroid cultures under hypoxia compared to normoxia. Animal studies displayed that targeted polymersomes significantly diminished tumor growth in xenograft nude mice. Overall, the targeted polymersomes exhibited potent anti-tumor activity in monolayer, spheroid, and animal models of TNBC. With further developments, the targeted nanocarriers discussed here might have the translational potential as drug carriers for the treatment of TNBC.
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Affiliation(s)
- Babak Mamnoon
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Jagadish Loganathan
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Matthew I Confeld
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Nimesha De Fonseka
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Li Feng
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Jamie Froberg
- Department of Physics, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Yongki Choi
- Department of Physics, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Daniel M Tuvin
- Sanford Broadway Clinic, Fargo, North Dakota 58102, United States
| | - Venkatachalem Sathish
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
| | - Sanku Mallik
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, North Dakota 58102, United States
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Gene Expression Alterations Associated with Oleuropein-Induced Antiproliferative Effects and S-Phase Cell Cycle Arrest in Triple-Negative Breast Cancer Cells. Nutrients 2020; 12:nu12123755. [PMID: 33297339 PMCID: PMC7762327 DOI: 10.3390/nu12123755] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/18/2020] [Accepted: 12/04/2020] [Indexed: 02/06/2023] Open
Abstract
It is known that the Mediterranean diet is effective in reducing the risk of several chronic diseases, including cancer. A critical component of the Mediterranean diet is olive oil, and the relationship between olive oil consumption and the reduced risk of cancer has been established. Oleuropein (OL) is the most prominent polyphenol component of olive fruits and leaves. This compound has been shown to have potent properties in various types of cancers, including breast cancer. In the present study, the molecular mechanism of OL was examined in two racially different triple-negative breast cancer (TNBC) cell lines-African American (AA, MDA-MB-468) and Caucasian American (CA, MDA-MB-231). The data obtained showed that OL effectively inhibits cell growth in both cell lines, concomitant with S-phase cell cycle arrest-mediated apoptosis. The results also showed that OL-treated MDA-MB-468 cells were two-fold more sensitive to OL antiproliferative effect than MDA-MB-231 cells were. At lower concentrations, OL modified the expression of many apoptosis-involved genes. OL was more effective in MDA-MB-468, compared to MDA-MB-231 cells, in terms of the number and the fold-change of the altered genes. In MDA-MB-468 cells, OL induced a noticeable transcription activation in fourteen genes, including two members of the caspase family: caspase 1 (CASP1) and caspase 14 (CASP14); two members of the TNF receptor superfamily: Fas-associated via death domain (FADD) and TNF receptor superfamily 21 (TNFRSF21); six other proapoptotic genes: growth arrest and DNA damage-inducible 45 alpha (GADD45A), cytochrome c somatic (CYCS), BCL-2 interacting protein 2 (BNIP2), BCL-2 interacting protein 3 (BNIP3), BH3 interacting domain death agonist (BID), and B-cell lymphoma/leukemia 10 (BCL10); and the CASP8 and FADD-like apoptosis regulator (CFLAR) gene. Moreover, in MDA-MB-468 cells, OL induced a significant upregulation in two antiapoptotic genes: bifunctional apoptosis regulator (BFAR) and B-Raf proto-oncogene (BRAF) and a baculoviral inhibitor of apoptosis (IAP) repeat-containing 3 (BIRC3). On the contrary, in MDA-MB-231 cells, OL showed mixed impacts on gene expression. OL significantly upregulated the mRNA expression of four genes: BIRC3, receptor-interacting serine/threonine kinase 2 (RIPK2), TNF receptor superfamily 10A (TNFRSF10A), and caspase 4 (CASP4). Additionally, another four genes were repressed, including caspase 6 (CASP6), pyrin domain (PYD), and caspase recruitment domain (CARD)-containing (PAYCARD), baculoviral IAP repeat-containing 5 (BIRC5), and the most downregulated TNF receptor superfamily member 11B (TNFRSF11B, 16.34-fold). In conclusion, the data obtained indicate that the two cell lines were markedly different in the anticancer effect and mechanisms of oleuropein's ability to alter apoptosis-related gene expressions. The results obtained from this study should also guide the potential utilization of oleuropein as an adjunct therapy for TNBC to increase chemotherapy effectiveness and prevent cancer progression.
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Chabot I, Zhao Q, Su Y. Systematic review of Real-World effectiveness of eribulin for locally advanced or metastatic breast cancer. Curr Med Res Opin 2020; 36:2025-2036. [PMID: 33044090 DOI: 10.1080/03007995.2020.1835853] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Eribulin mesylate (eribulin) is indicated for patients with metastatic breast cancer (MBC) who have previously received at least two chemotherapies in the US and for patients with locally advanced breast cancer (LABC) or MBC who have progressed after at least one chemotherapy in the European Union (EU). In both indications, prior therapy should include an anthracycline and a taxane in adjuvant or metastatic setting. Numerous studies evaluated eribulin in real-world (RW) breast cancer populations to reinforce its consistent effectiveness beyond registration randomized controlled trials (RCTs) that reported median overall survival (OS) of 13.1 and 15.9 months. In this systematic literature review (SLR), we summarize the cumulative evidence on eribulin's RW effectiveness in LABC/MBC. METHODS We searched through Medline/PubMed and Embase databases between 2012 and 2019 for articles reporting RW eribulin use in the second- or third-line or later LABC/MBC setting. Because eribulin showed greatest OS benefits in triple negative breast cancer (TNBC) in RCTs, we also reviewed this tumor subtype. OS and progression-free survival (PFS) were the effectiveness outcomes of interest. RESULTS Overall, 34 journal articles or abstracts met the selection criteria. Median OS ranged between 6.9 and 28.0 months; median PFS varied from 2.3 to 14.7 months. Eight studies reported OS outcomes for TNBC patients, and median OS ranged between 3.0 and 23.0 months. CONCLUSION The SLR showed high variability in OS and to a lesser extent in PFS associated with eribulin use in RW setting. Despite heterogeneity in line of use and patient subtypes, this SLR supports effectiveness of eribulin for LABC/MBC in clinical practice.
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Affiliation(s)
- Isabelle Chabot
- Faculty of Pharmacy, Montreal University, Montreal, Quebec, Canada
- Global Value & Access, Eisai Inc., Woodcliff Lake, NJ, USA
| | - Qi Zhao
- Global Value & Access, Eisai Inc., Woodcliff Lake, NJ, USA
| | - Yun Su
- Formerly of Global Value & Access, Eisai Inc., Woodcliff Lake, NJ, USA
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141
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D H, K PK, P S, A P, S S. Screening of key modulatory genes by Degalactotigonin in Triple Negative Breast Cancer cells – An in silico approach. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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闫 芳, 陈 东, 谢 敬, 曾 维, 李 强. [Escin alleviates chemotherapy-induced peripheral neuropathic pain by inducing autophagy in the spinal cord of rats]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2020; 40:1634-1638. [PMID: 33243746 PMCID: PMC7704370 DOI: 10.12122/j.issn.1673-4254.2020.11.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Indexed: 01/23/2023]
Abstract
OBJECTIVE To investigate the effect of escin in relieving chemotherapy-induced peripheral neuropathic pain in rats and explore and the underlying mechanism. METHODS Eighteen SD rats were randomly divided into 3 groups (n=6), including an escin preconditioning group (treated with 4 mg/kg escin on days 1-7 and then with 2 mg/kg taxol on days 8, 10, 12, and 14), an escin postconditioning group (treated with 2 mg/kg taxol on days 1, 3, 5, and 7 and then with 4 mg/mg escin on days 8-14) and control group (treated with 2 mg/kg taxol on days 1, 3, 5, and 7 and then with saline on days 8-14). Mechanical allodynia and thermal hyperalgesia of the mice were tested on days 4, 7, 10 and 14, and the expression levels of LC3II and p62 in the spinal cord of the rats were detected using Western blotting. RESULTS The rats in both the escin preconditioning group and escin postconditioning group showed obviously increased thresholds of mechanical allodynia and thermal hyperalgesia as compared with those in the control group (P < 0.01). Western blotting showed that the expression level of LC3II was significantly increased while p62 expression was lowered in escin preconditioning group as compared with those in the control group (P < 0.05). The escin postconditioning group also showed significantly higher LC3II expression and lower p62 expression levels than the control group (P < 0.05). CONCLUSIONS Escin can alleviate chemotherapy-induced peripheral neuropathic pain in rats possibly by upregulating the expressions of autophagy-related proteins in the spinal cord.
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Affiliation(s)
- 芳 闫
- />中山大学肿瘤防治中心麻醉科//华南肿瘤学国家重点实验室/肿瘤医学协同创新中心,广东 广州 510060Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - 东泰 陈
- />中山大学肿瘤防治中心麻醉科//华南肿瘤学国家重点实验室/肿瘤医学协同创新中心,广东 广州 510060Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - 敬敦 谢
- />中山大学肿瘤防治中心麻醉科//华南肿瘤学国家重点实验室/肿瘤医学协同创新中心,广东 广州 510060Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - 维安 曾
- />中山大学肿瘤防治中心麻醉科//华南肿瘤学国家重点实验室/肿瘤医学协同创新中心,广东 广州 510060Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
| | - 强 李
- />中山大学肿瘤防治中心麻醉科//华南肿瘤学国家重点实验室/肿瘤医学协同创新中心,广东 广州 510060Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China
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143
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Wang D, Wang Z, Zhang L, Sun S. LncRNA PDCD4-AS1 alleviates triple negative breast cancer by increasing expression of IQGAP2 via miR-10b-5p. Transl Oncol 2020; 14:100958. [PMID: 33248413 PMCID: PMC7704410 DOI: 10.1016/j.tranon.2020.100958] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/23/2020] [Accepted: 11/13/2020] [Indexed: 01/04/2023] Open
Abstract
Down-regulated expressions of PDCD4-AS1 and IQGAP2were observed in TNBC. Over-expressed miR-10b-5p was detected in TNBC. PDCD4-AS1/IQGAP2 inhibits proliferation, migration and invasion of TNBC cells. miR-10b-5p increases proliferation, migration and invasion of TNBC cells. PDCD4-AS1 inhibits TNBC via acting as a ceRNA for miR-10b-5p.
Objective Mounting evidence demonstrates that long non-coding RNA (lncRNA) is dysregulated in breast cancers. This study was designed to detect the influences and regulatory mechanism of lncRNA PDCD4-AS1 in triple-negative breast cancer (TNBC). Methods qRT-PCR and Western blot were utilized to investigate the expression levels of PDCD4-AS1, miR-10b-5p and IQGAP2 in TNBC tissues and cells. Online software and luciferase reporter gene system were employed to testify the interactions among these molecules. Loss and gain of function of PDCD4-AS1, miR-10b-5p or IQGAP2 were performed before MTT and colony formation assay, TUNEL staining in addition to Transwell and scratch assays were applied to measure the cell biological functions. Results In this work, PDCD4-AS1 and IQGAP2 were lowly expressed while miR-10b-5p was strongly expressed in TNBC tissues and cells. PDCD4-AS1 or IQGAP2 overexpression effectively attenuated TNBC cell proliferation, migration and invasion, and increased the apoptosis rate, while this effect was abandoned in response to miR-10b-5p mimics transfection. miR-10b-5p bound to IQGAP2 and acted as a downstream target of PDCD4-AS1. Conclusion Our findings identified lncRNA PDCD4-AS1 as a tumor suppressor in TNBC by regulating IQGAP2 expression via miR-10b-5p, giving a novel insight into the regulatory mechanism of PDCD4-AS1 in the pathogenesis of TNBC.
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Affiliation(s)
- Daoliang Wang
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 of Jiefang Road, No. 99 of Zhangzhidong Road, Wuchang District, Wuhan, Hubei 430060, PR China
| | - Zhuo Wang
- Department of Breast Surgery, the First People's Hospital of Jingzhou City, Jingzhou, Hubei 434000, PR China
| | - Lijun Zhang
- Department of Breast Surgery, the First People's Hospital of Jingzhou City, Jingzhou, Hubei 434000, PR China
| | - Shengrong Sun
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, No. 238 of Jiefang Road, No. 99 of Zhangzhidong Road, Wuchang District, Wuhan, Hubei 430060, PR China.
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144
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Ghosh S, Khanam R, Acharya Chowdhury A. The Evolving Roles of Bacopa monnieri as Potential Anti-Cancer Agent: A Review. Nutr Cancer 2020; 73:2166-2176. [PMID: 33148034 DOI: 10.1080/01635581.2020.1841248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The intermingled interrelationship of Bacopa monnieri and human health dates backs to the ancient times in the history of ayurveda making the plant an enriched source of alternative drug development in a nontoxic manner. In recent years, research on the biological effects of Bacopa monnieri has flourished as promising neuroprotective, memory boosting and more importantly as both chemopreventive and anti-neoplastic agent. Each naturally synthesized chemical constituent identified from Bacopa monnieri leaf extract with different solvents, has significant anti-metastatic, anti-angiogenic and anti-proliferative activity on different type of cancer cells. In this context, a substantial literature survey allows a deep understanding of the involvement of specific bioactive molecules along with the whole plant extract of Bacopa monnieri with their divergent effective molecular pathways. This comprehensive review covers literature up to the year 2020 highlighting all the anticancer efficacy along with signaling pathways activated by secondary metabolites found in bacopa plant.
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Affiliation(s)
- Sudeepa Ghosh
- Department of Biotechnology, JIS University, Kolkata, West Bengal, India
| | - Rahmat Khanam
- Department of Biotechnology, JIS University, Kolkata, West Bengal, India
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145
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Liang X, Li Z, Zhang L, Wang D, Tian J. Application of Contrast-Enhanced Ultrasound in the Differential Diagnosis of Different Molecular Subtypes of Breast Cancer. ULTRASONIC IMAGING 2020; 42:261-270. [PMID: 33019918 DOI: 10.1177/0161734620959780] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
To explore the value of contrast-enhanced ultrasound (CEUS) in the differential diagnosis of molecular subtypes of breast cancer. Sixty-two cases of breast cancer were divided into luminal epithelium A or B subtype (luminal A/B), Her-2 over-expression subtype and triple negative subtype (TN). CEUS and routine ultrasonography were performed for all patients before surgery. (1) The luminal epithelium subtype contrast enhancement pattern was more likely to present with radial edge (76.92%, p < 0.05) and low perfusion (69.23%, p < 0.05). The maximum intensity (IMAX) was lower in the luminal epithelium subtype (p < 0.05). (2) The Her-2 over-expression subtype contrast enhancement pattern was more likely to present with centripetal enhancement (93.75%, p < 0.05) and perfusion defect (75.0%, p < 0.05), and the time to peak (TTP) was shorter (80.0%, p < 0.05). (3) The contrast enhancement pattern of the triple negative subtype was shown to have a clear boundary. Compared to the other two subtypes, the triple negative subtype did not have significantly different perfusion parameters (p > 0.05). (4) Our study showed that the areas under the ROC curve for radial edge, low perfusion and IMAX for the luminal epithelium subtype breast lesions were 76.5%, 75.6%, and 82.1%, respectively. Additionally, the areas under the ROC curve for centripetal enhancement, perfusion defect and TTP for the Her-2 over-expression subtype breast lesions were 68.6%, 92.4%, and 97.8%, respectively. The sensitivity, specificity, and diagnostic accuracy of clear boundaries in detecting triple negative subtype breast lesions were 90.5%, 80.0%, and 91.9%, respectively.
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Affiliation(s)
- Xingyu Liang
- Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ziyao Li
- Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lei Zhang
- Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Dongmo Wang
- Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiawei Tian
- Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin, China
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146
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Ghosh S, Lalani R, Maiti K, Banerjee S, Patel V, Bhowmick S, Misra A. Optimization and efficacy study of synergistic vincristine coloaded liposomal doxorubicin against breast and lung cancer. Nanomedicine (Lond) 2020; 15:2585-2607. [DOI: 10.2217/nnm-2020-0169] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Aim: To improve the efficacy of poly-ethylene glycol (PEG)ylated liposomes coloaded with doxorubicin and vincristine against triple-negative breast cancer (TNBC) and non-small-cell lung cancer (NSCLC). Methods: The combinatorial index of the drugs was established using the Chou-Talalay method in MDA-MB-231 and A549 cell lines. The most effective ratio was co-encapsulated in factorial design optimized nanoliposomes which were characterized for similarity to clinical standard and evaluated in vitro and in vivo for therapeutic efficacy. Results & conclusion: The formulation exhibited more than 95% co-encapsulation, a size of 95.74 ± 2.65 nm and zeta potential of -9.17 ± 1.19 mV while having no significant differences in physicochemical and biochemical characteristics as compared with the clinical standard. Efficacy evaluation studies showed significantly improved cytotoxicity and tumor regression compared with liposomal doxorubicin indicating improvement in efficacy against TNBC and NSCLC.
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Affiliation(s)
- Saikat Ghosh
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat - 390001, India
- Formulation Research & Development Department, Sun Pharmaceutical Industries Ltd, Vadodara, Gujarat-390012, India
| | - Rohan Lalani
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat - 390001, India
| | - Kuntal Maiti
- Formulation Research & Development Department, Sun Pharmaceutical Industries Ltd, Vadodara, Gujarat-390012, India
| | - Shubhadeep Banerjee
- Formulation Research & Development Department, Sun Pharmaceutical Industries Ltd, Vadodara, Gujarat-390012, India
| | - Vivek Patel
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat - 390001, India
| | - Subhas Bhowmick
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat - 390001, India
- Formulation Research & Development Department, Sun Pharmaceutical Industries Ltd, Vadodara, Gujarat-390012, India
| | - Ambikanandan Misra
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat - 390001, India
- Pharmaceutical Research, Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS University, VL Mehta Road, Vile Parle (W), Mumbai, Maharashtra - 400 056, Maharashtra India
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147
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Local Disease-Free Survival Rate (LSR) Application to Personalize Radiation Therapy Treatments in Breast Cancer Models. J Pers Med 2020; 10:jpm10040177. [PMID: 33080870 PMCID: PMC7712665 DOI: 10.3390/jpm10040177] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/15/2020] [Accepted: 10/15/2020] [Indexed: 12/29/2022] Open
Abstract
Cancer heterogeneity represents the main issue for defining an effective treatment in clinical practice, and the scientific community is progressively moving towards the development of more personalized therapeutic regimens. Radiotherapy (RT) remains a fundamental therapeutic treatment used for many neoplastic diseases, including breast cancer (BC), where high variability at the clinical and molecular level is known. The aim of this work is to apply the generalized linear quadratic (LQ) model to customize the radiant treatment plan for BC, by extracting some characteristic parameters of intrinsic radiosensitivity that are not generic, but may be exclusive for each cell type. We tested the validity of the generalized LQ model and analyzed the local disease-free survival rate (LSR) for breast RT treatment by using four BC cell cultures (both primary and immortalized), irradiated with clinical X-ray beams. BC cells were chosen on the basis of their receptor profiles, in order to simulate a differential response to RT between triple negative breast and luminal adenocarcinomas. The MCF10A breast epithelial cell line was utilized as a healthy control. We show that an RT plan setup based only on α and β values could be limiting and misleading. Indeed, two other parameters, the doubling time and the clonogens number, are important to finely predict the tumor response to treatment. Our findings could be tested at a preclinical level to confirm their application as a variant of the classical LQ model, to create a more personalized approach for RT planning.
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148
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Bioguided Fractionation of Local Plants against Matrix Metalloproteinase9 and Its Cytotoxicity against Breast Cancer Cell Models: In Silico and In Vitro Study. Molecules 2020; 25:molecules25204691. [PMID: 33066411 PMCID: PMC7587335 DOI: 10.3390/molecules25204691] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/11/2020] [Accepted: 10/12/2020] [Indexed: 02/06/2023] Open
Abstract
Matrix metalloproteinase9 (MMP9) is known to be highly expressed during metastatic cancer where most known potential inhibitors failed in the clinical trials. This study aims to select local plants in our state, as anti-breast cancer agent with hemopexin-like domain of MMP9 (PEX9) as the selective protein target. In silico screening for PEX9 inhibitors was performed from our in house-natural compound database to identify the plants. The selected plants were extracted using methanol and then a step-by-step in vitro screening against MMP9 was performed from its crude extract, partitions until fractions using FRET-based assay. The partitions were obtained by performing liquid–liquid extraction on the methanol extract using n-hexane, ethylacetate, n-butanol, and water representing nonpolar to polar solvents. The fractions were made from the selected partition, which demonstrated the best inhibition percentage toward MMP9, using column chromatography. Of the 200 compounds screened, 20 compounds that scored the binding affinity −11.2 to −8.1 kcal/mol toward PEX9 were selected as top hits. The binding of these hits were thoroughly investigated and linked to the plants which they were reported to be isolated from. Six of the eight crude extracts demonstrated inhibition toward MMP9 with the IC50 24 to 823 µg/mL. The partitions (1 mg/mL) of Ageratum conyzoides aerial parts and Ixora coccinea leaves showed inhibition 94% and 96%, whereas their fractions showed IC50 43 and 116 µg/mL, respectively toward MMP9. Using MTT assay, the crude extract of Ageratum exhibited IC50 22 and 229 µg/mL against 4T1 and T47D cell proliferations, respectively with a high safety index concluding its potential anti-breast cancer from herbal.
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149
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Shah JV, Gonda A, Pemmaraju R, Subash A, Bobadilla Mendez C, Berger M, Zhao X, He S, Riman RE, Tan MC, Pierce MC, Moghe PV, Ganapathy V. Shortwave Infrared-Emitting Theranostics for Breast Cancer Therapy Response Monitoring. Front Mol Biosci 2020; 7:569415. [PMID: 33134314 PMCID: PMC7575924 DOI: 10.3389/fmolb.2020.569415] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 09/14/2020] [Indexed: 12/21/2022] Open
Abstract
Therapeutic drug monitoring (TDM) in cancer, while imperative, has been challenging due to inter-patient variability in drug pharmacokinetics. Additionally, most pharmacokinetic monitoring is done by assessments of the drugs in plasma, which is not an accurate gauge for drug concentrations in target tumor tissue. There exists a critical need for therapy monitoring tools that can provide real-time feedback on drug efficacy at target site to enable alteration in treatment regimens early during cancer therapy. Here, we report on theranostic optical imaging probes based on shortwave infrared (SWIR)-emitting rare earth-doped nanoparticles encapsulated with human serum albumin (abbreviated as ReANCs) that have demonstrated superior surveillance capability for detecting micro-lesions at depths of 1 cm in a mouse model of breast cancer metastasis. Most notably, ReANCs previously deployed for detection of multi-organ metastases resolved bone lesions earlier than contrast-enhanced magnetic resonance imaging (MRI). We engineered tumor-targeted ReANCs carrying a therapeutic payload as a potential theranostic for evaluating drug efficacy at the tumor site. In vitro results demonstrated efficacy of ReANCs carrying doxorubicin (Dox), providing sustained release of Dox while maintaining cytotoxic effects comparable to free Dox. Significantly, in a murine model of breast cancer lung metastasis, we demonstrated the ability for therapy monitoring based on measurements of SWIR fluorescence from tumor-targeted ReANCs. These findings correlated with a reduction in lung metastatic burden as quantified via MRI-based volumetric analysis over the course of four weeks. Future studies will address the potential of this novel class of theranostics as a preclinical pharmacological screening tool.
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Affiliation(s)
- Jay V Shah
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Amber Gonda
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Rahul Pemmaraju
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Aishwarya Subash
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | | | - Marissa Berger
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Xinyu Zhao
- Engineering Product Development, Singapore University of Technology and Design, Tampines, Singapore
| | - Shuqing He
- Engineering Product Development, Singapore University of Technology and Design, Tampines, Singapore
| | - Richard E Riman
- Department of Materials Science and Engineering, Rutgers University, Piscataway, NJ, United States
| | - Mei Chee Tan
- Engineering Product Development, Singapore University of Technology and Design, Tampines, Singapore
| | - Mark C Pierce
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Prabhas V Moghe
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States.,Department of Chemical & Biochemical Engineering, Rutgers University, Piscataway, NJ, United States
| | - Vidya Ganapathy
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, United States
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150
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Doheny D, Sirkisoon S, Carpenter RL, Aguayo NR, Regua AT, Anguelov M, Manore SG, Arrigo A, Jalboush SA, Wong GL, Yu Y, Wagner CJ, Chan M, Ruiz J, Thomas A, Strowd R, Lin J, Lo HW. Combined inhibition of JAK2-STAT3 and SMO-GLI1/tGLI1 pathways suppresses breast cancer stem cells, tumor growth, and metastasis. Oncogene 2020; 39:6589-6605. [PMID: 32929154 PMCID: PMC7572897 DOI: 10.1038/s41388-020-01454-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 08/19/2020] [Accepted: 09/02/2020] [Indexed: 01/01/2023]
Abstract
Triple-negative breast cancer (TNBC) and HER2-positive breast cancer are particularly aggressive and associated with unfavorable prognosis. TNBC lacks effective treatments. HER2-positive tumors have treatment options but often acquire resistance to HER2-targeted therapy after initial response. To address these challenges, we determined whether novel combinations of JAK2-STAT3 and SMO-GLI1/tGLI1 inhibitors synergistically target TNBC and HER2 breast cancer since these two pathways are concurrently activated in both tumor types and enriched in metastatic tumors. Herein, we show that novel combinations of JAK2 inhibitors (ruxolitinib and pacritinib) with SMO inhibitors (vismodegib and sonidegib) synergistically inhibited in vitro growth of TNBC and HER2-positive trastuzumab-resistant BT474-TtzmR cells. Synergy was also observed against breast cancer stem cells. To determine if the combination is efficacious in inhibiting metastasis, we treated mice with intracardially inoculated TNBC cells and found the combination to inhibit lung and liver metastases, and prolong host survival without toxicity. The combination inhibited orthotopic growth, VEGF-A expression, and tumor vasculature of both TNBC and HER2-positive trastuzumab-refractory breast cancer. Lung metastasis of orthotopic BT474-TtzmR xenografts was suppressed by the combination. Together, our results indicated that dual targeting of JAK2 and SMO resulted in synergistic suppression of breast cancer growth and metastasis, thereby supporting future clinical testing.
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Affiliation(s)
- Daniel Doheny
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Sherona Sirkisoon
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Richard L Carpenter
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine-Bloomington, JH 308 1001 E. 3rd St., Bloomington, IN, 47405, USA
| | - Noah Reeve Aguayo
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Angelina T Regua
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Marlyn Anguelov
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Sara G Manore
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Austin Arrigo
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Sara Abu Jalboush
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Grace L Wong
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Yang Yu
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Calvin J Wagner
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Michael Chan
- Wake Forest Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- Department of Radiation Oncology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Jimmy Ruiz
- Wake Forest Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- Department of Hematology and Oncology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Alexandra Thomas
- Wake Forest Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- Department of Hematology and Oncology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Roy Strowd
- Wake Forest Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- Department of Neurology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Jiayuh Lin
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Hui-Wen Lo
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC, USA.
- Wake Forest Comprehensive Cancer Center, Wake Forest University School of Medicine, Winston-Salem, NC, USA.
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