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Duchnowska R, Jarząb M, Żebracka-Gala J, Matkowski R, Kowalczyk A, Radecka B, Kowalska M, Pfeifer A, Foszczyńska-Kłoda M, Musolino A, Czartoryska-Arłukowicz B, Litwiniuk M, Surus-Hyla A, Szabłowska-Siwik S, Karczmarek-Borowska B, Dębska-Szmich S, Głodek-Sutek B, Sosińska-Mielcarek K, Chmielowska E, Kalinka-Warzocha E, Olszewski WP, Patera J, Żawrocki A, Pliszka A, Tyszkiewicz T, Rusinek D, Oczko-Wojciechowska M, Jassem J, Biernat W. Brain Metastasis Prediction by Transcriptomic Profiling in Triple-Negative Breast Cancer. Clin Breast Cancer 2016; 17:e65-e75. [PMID: 27692773 DOI: 10.1016/j.clbc.2016.08.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/14/2016] [Accepted: 08/25/2016] [Indexed: 12/14/2022]
Abstract
BACKGROUND Triple-negative breast cancer (TNBC) lacks expression of steroid hormone receptors (estrogen receptor α and progesterone) and epidermal growth factor receptor type 2. This phenotype shows high metastatic potential, with particular predilection to lungs and brain. Determination of TNBC transcriptomic profiles associated with high risk of brain metastasis (BM) might identify patients requiring alternative, more aggressive, or specific preventive and therapeutic approaches. PATIENTS AND METHODS Using a cDNA-mediated annealing, selection, extension, and ligation assay, we investigated expression of 29,369 gene transcripts in primary TNBC tumor samples from 119 patients-71 in discovery cohort A and 48 in independent cohort B-that included best discriminating genes. Expression of mRNA was correlated with the occurrence of symptomatic BM. RESULTS In cohort A, the difference at the noncorrected P < .005 was found for 64 transcripts (P = .23 for global test), but none showed significant difference at a preset level of false-discovery rate of < 10%. Of the 30 transcripts with the largest differences between patients with and without BM in cohort A, none was significantly associated with BM in cohort B. CONCLUSION Analysis based on the primary tumor gene transcripts alone is unlikely to predict BM development in advanced TNBC. Despite its negative findings, the study adds to the knowledge on the biology of TNBC and paves the way for future projects using more advanced molecular assays.
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Affiliation(s)
- Renata Duchnowska
- Department of Oncology, Military Institute of Medicine, Warsaw, Poland.
| | - Michał Jarząb
- 3rd Department of Radiotherapy and Chemotherapy, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | - Jadwiga Żebracka-Gala
- Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | - Rafał Matkowski
- Department of Oncology, Wroclaw Medical University, Wrocław, Poland
| | - Anna Kowalczyk
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland
| | | | - Małgorzata Kowalska
- Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | - Aleksandra Pfeifer
- Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | | | | | | | - Maria Litwiniuk
- Department of Oncology, Greater Poland Cancer Center, Poznań, Poland
| | - Anna Surus-Hyla
- Department of Oncology, Warmia and Masuria Oncology Center, Olsztyn, Poland
| | | | | | | | | | | | | | | | - Wojciech P Olszewski
- Department of Pathology and Laboratory Diagnostic, Oncology Center-Institute, Warsaw, Poland
| | - Janusz Patera
- Department of Pathology, Military Institute of Medicine, Warsaw, Poland
| | - Anton Żawrocki
- Department of Pathology, Medical University of Gdańsk, Gdańsk, Poland
| | - Agnieszka Pliszka
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland
| | - Tomasz Tyszkiewicz
- Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | - Dagmara Rusinek
- Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | - Małgorzata Oczko-Wojciechowska
- Laboratory of Molecular Diagnostics and Functional Genomics, Department of Nuclear Medicine and Endocrine Oncology, Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch, Poland
| | - Jacek Jassem
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland
| | - Wojciech Biernat
- Department of Pathology, Medical University of Gdańsk, Gdańsk, Poland
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The brain metastatic niche. J Mol Med (Berl) 2016; 93:1213-20. [PMID: 26489608 DOI: 10.1007/s00109-015-1357-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 10/12/2015] [Accepted: 10/14/2015] [Indexed: 12/13/2022]
Abstract
Metastasizing cancer cells that arrest in brain microvessels have to face an organ microenvironment that is alien, and exclusive. In order to survive and thrive in this foreign soil, the malignant cells need to successfully master a sequence of steps that includes close interactions with pre-existing brain microvessels, and other nonmalignant cell types. Unfortunately, a relevant number of circulating cancer cells is capable of doing so: brain metastasis is a frequent and devastating complication of solid tumors, becoming ever more important in times where the systemic tumor disease is better controlled and life of cancer patients is prolonged. Thus, it is very important to understand which environmental cues are necessary for effective brain colonization. This review gives an overview of the niches we know, including those who govern cancer cell dormancy, survival, and proliferation in the brain. Colonization of pre-existing niches related to stemness and resistance is a hallmark of successful brain metastasis. A deeper understanding of those host factors can help to identify the most vulnerable steps of the metastatic cascade, which might be most amenable to therapeutic interventions.
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53
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Toft DJ, Fuller M, Schipma M, Chen F, Cryns VL, Layden BT. αB-crystallin and HspB2 deficiency is protective from diet-induced glucose intolerance. GENOMICS DATA 2016; 9:10-7. [PMID: 27330996 PMCID: PMC4909821 DOI: 10.1016/j.gdata.2016.03.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 03/15/2016] [Accepted: 03/16/2016] [Indexed: 12/29/2022]
Abstract
Emerging evidence suggests molecular chaperones have a role in the pathogenesis of obesity and diabetes. As αB-crystallin and HspB2 are molecular chaperones and data suggests their expression is elevated in the skeletal muscle of diabetic and obese animals, we sought to determine if αB-crystallin and HspB2 collectively play a functional role in the metabolic phenotype of diet-induced obesity. Using αB-crystallin/HspB2 knockout and littermate wild-type controls, it was observed that mice on the high fat diet gained more weight as compared to the normal chow group and genotype did not impact this weight gain. To test if the genotype and/or diet influenced glucose homeostasis, intraperitoneal glucose challenge was performed. While similar on normal chow diet, wild-type mice on the high fat diet exhibited higher glucose levels during the glucose challenge compared to the αB-crystallin/HspB2 knockout mice. Although wild-type mice had higher glucose levels, insulin levels were similar for both genotypes. Insulin tolerance testing revealed that αB-crystallin/HspB2 knockout mice were more sensitive to insulin, leading to lower glucose levels over time, which is indicative of a difference in insulin sensitivity between the genotypes on a high fat diet. Transcriptome analyses of skeletal muscle in αB-crystallin/HspB2 knockout and wild-type mice on a normal or high fat diet revealed reductions in cytokine pathway genes in αB-crystallin/HspB2 knockout mice, which may contribute to their improved insulin sensitivity. Collectively, these data reveal that αB-crystallin/HspB2 plays a role in development of insulin resistance during a high fat diet challenge.
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Affiliation(s)
- Daniel J Toft
- Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Miles Fuller
- Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Matthew Schipma
- Next Generation Sequencing Core, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Feng Chen
- Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Vincent L Cryns
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Brian T Layden
- Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States; Jesse Brown Veterans Affairs Medical Center, Chicago, IL, United States
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Fontanella C, De Carlo E, Cinausero M, Pelizzari G, Venuti I, Puglisi F. Central nervous system involvement in breast cancer patients: Is the therapeutic landscape changing too slowly? Cancer Treat Rev 2016; 46:80-8. [PMID: 27218867 DOI: 10.1016/j.ctrv.2016.03.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 03/22/2016] [Accepted: 03/24/2016] [Indexed: 12/24/2022]
Abstract
Central nervous system (CNS) involvement from breast cancer (BC) has been historically considered a relatively rare event. However, the development of new therapeutic strategies with a better control of extra-cranial disease and a longer overall survival (OS) has determined an increased incidence of brain metastases. Patients with HER2-positive or triple negative BC have higher occurrence of CNS involvement than patients with luminal-like disease. Moreover, after development of brain metastases, the prognosis is highly influenced by biological subtype. In patients with multiple brain metastases who experience important neurological symptoms, palliative treatment, with or without whole brain radiation therapy (WBRT), needs to be considered the first step of a multidisciplinary therapeutic approach. Patients with a good performance status and 1-3 brain lesions should be considered for radical surgery; patients technically inoperable with 4-5 metastases smaller than 3cm may undergo stereotactic radiosurgery. The role of systemic therapy in the management of patients with brain metastases is controversial. Preliminary data suggest that systemic therapy after WBRT may improve survival in BC patients with brain lesions. In patients with HER2-positive disease, several retrospective or post hoc analyses showed a longer brain progression-free survival with trastuzumab in combination with or followed by other anti-HER2 drugs (such as pertuzumab, lapatinib, and T-DM1). Until now, no new strategies or drugs are available for triple-negative and luminal-like BC.
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Affiliation(s)
- Caterina Fontanella
- Department of Medical and Biological Science, University of Udine, Udine, Italy; Department of Oncology, University Hospital of Udine, Italy
| | - Elisa De Carlo
- Department of Medical and Biological Science, University of Udine, Udine, Italy; Department of Oncology, University Hospital of Udine, Italy
| | - Marika Cinausero
- Department of Medical and Biological Science, University of Udine, Udine, Italy; Department of Oncology, University Hospital of Udine, Italy
| | - Giacomo Pelizzari
- Department of Medical and Biological Science, University of Udine, Udine, Italy; Department of Oncology, University Hospital of Udine, Italy
| | - Ilaria Venuti
- Department of Medical and Biological Science, University of Udine, Udine, Italy
| | - Fabio Puglisi
- Department of Medical and Biological Science, University of Udine, Udine, Italy; Department of Oncology, University Hospital of Udine, Italy.
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Karginova O, Siegel MB, Van Swearingen AED, Deal AM, Adamo B, Sambade MJ, Bazyar S, Nikolaishvili-Feinberg N, Bash R, O'Neal S, Sandison K, Parker JS, Santos C, Darr D, Zamboni W, Lee YZ, Miller CR, Anders CK. Efficacy of Carboplatin Alone and in Combination with ABT888 in Intracranial Murine Models of BRCA-Mutated and BRCA-Wild-Type Triple-Negative Breast Cancer. Mol Cancer Ther 2016; 14:920-30. [PMID: 25824335 DOI: 10.1158/1535-7163.mct-14-0474] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Patients with breast cancer brain metastases have extremely limited survival and no approved systemic therapeutics. Triple-negative breast cancer (TNBC) commonly metastasizes to the brain and predicts poor prognosis. TNBC frequently harbors BRCA mutations translating to platinum sensitivity potentially augmented by additional suppression of DNA repair mechanisms through PARP inhibition. We evaluated brain penetrance and efficacy of carboplatin ± the PARP inhibitor ABT888, and investigated gene-expression changes in murine intracranial TNBC models stratified by BRCA and molecular subtype status. Athymic mice were inoculated intracerebrally with BRCA-mutant: SUM149 (basal), MDA-MB-436 (claudin-low); or BRCA-wild-type (wt): MDA-MB-468 (basal), MDA-MB-231BR (claudin-low). TNBC cells were treated with PBS control [intraperitoneal (IP), weekly], carboplatin (50 mg/kg/wk, IP), ABT888 (25 mg/kg/d, oral gavage), or their combination. DNA damage (γ-H2AX), apoptosis (cleaved caspase-3, cC3), and gene expression were measured in intracranial tumors. Carboplatin ± ABT888 significantly improved survival in BRCA-mutant intracranial models compared with control, but did not improve survival in BRCA-wt intracranial models. Carboplatin + ABT888 revealed a modest survival advantage versus carboplatin in BRCA-mutant models. ABT888 yielded a marginal survival benefit in the MDA-MB-436, but not in the SUM149 model. BRCA-mutant SUM149 expression of γ-H2AX and cC3 proteins was elevated in all treatment groups compared with control, whereas BRCA-wt MDA-MB-468 cC3 expression did not increase with treatment. Carboplatin treatment induced common gene-expression changes in BRCA-mutant models. Carboplatin ± ABT888 penetrates the brain and improves survival in BRCA-mutant intracranial TNBC models with corresponding DNA damage and gene-expression changes. Combination therapy represents a potential promising treatment strategy for patients with TNBC brain metastases warranting further clinical investigation.
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Affiliation(s)
- Olga Karginova
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Department of Medicine, The University of Chicago, Chicago, Illinois
| | - Marni B Siegel
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Department of Genetics, University of North Carolina, Chapel Hill, North Carolina
| | - Amanda E D Van Swearingen
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Allison M Deal
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Biostatistics Core Facility, Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina
| | - Barbara Adamo
- Medical Oncology Department, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Maria J Sambade
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Soha Bazyar
- Department of Radiology, University of North Carolina, Chapel Hill, North Carolina. Department of Biomedical Engineering, University of North Carolina, Chapel Hill, North Carolina
| | - Nana Nikolaishvili-Feinberg
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Ryan Bash
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina
| | - Sara O'Neal
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Katie Sandison
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Joel S Parker
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Department of Genetics, University of North Carolina, Chapel Hill, North Carolina
| | - Charlene Santos
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - David Darr
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - William Zamboni
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina. Translational Oncology and Nanoparticle Drug Development Initiative (TOND2I) Laboratory, University of North Carolina, Chapel Hill, North Carolina. Carolina Center of Cancer Nanotechnology Excellence, Chapel Hill, North Carolina. UNC Institute of Pharmacogenomics and Individualized Therapy, Chapel Hill, North Carolina
| | - Yueh Z Lee
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Department of Radiology, University of North Carolina, Chapel Hill, North Carolina. Biomedical Research Imaging Center, University of North Carolina, Chapel Hill, North Carolina
| | - C Ryan Miller
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina. Neurology and Neurosciences Center, University of North Carolina, Chapel Hill, North Carolina
| | - Carey K Anders
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Department of Medicine, University of North Carolina, Chapel Hill, North Carolina.
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Abstract
αB-crystallin is a widely expressed member of the small heat shock protein family that protects cells from stress by its dual function as a molecular chaperone to preserve proteostasis and as a cell death antagonist that negatively regulates components of the conserved apoptotic cell death machinery. Deregulated expression of αB-crystallin occurs in a broad array of solid tumors and has been linked to tumor progression and poor clinical outcomes. This review will focus on new insights into the molecular mechanisms by which oncogenes, oxidative stress, matrix detachment and other tumor microenvironmental stressors deregulate αB-crystallin expression. We will also review accumulating evidence pointing to an essential role for αB-crystallin in the multi-step metastatic cascade whereby tumor cells colonize distant organs by circumventing a multitude of barriers to cell migration and survival. Finally, we will evaluate emerging strategies to therapeutically target αB-crystallin and/or interacting proteins to selectively activate apoptosis and/or derail the metastatic cascade in an effort to improve outcomes for patients with metastatic disease.
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Wrobel JK, Toborek M. Blood-brain Barrier Remodeling during Brain Metastasis Formation. Mol Med 2016; 22:32-40. [PMID: 26837070 DOI: 10.2119/molmed.2015.00207] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 01/13/2016] [Indexed: 12/22/2022] Open
Abstract
Our understanding of the process of metastatic progression has improved markedly over the past decades, yet metastasis remains the most enigmatic component of cancer pathogenesis. This lack of knowledge has serious health-related implications, since metastasis is responsible for 90% of all cancer-related mortalities. The brain is considered a sanctuary site for metastatic tumor growth, where the blood-brain barrier (BBB) and other components of the brain microenvironment, provide protection to the tumor cells from immune surveillance, chemotherapeutics and other potentially harmful substances. The interactions between tumor cells and the brain microenvironment, principally brain vascular endothelium, are the critical determinants in their progression toward metastasis, dormancy, or clearance. This review discusses current knowledge of the biology of metastatic progression, with a particular focus on the tumor cell migration and colonization in the brain.
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Affiliation(s)
- Jagoda K Wrobel
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, Florida, United States of America
| | - Michal Toborek
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, Florida, United States of America.,Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
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Guestini F, McNamara KM, Ishida T, Sasano H. Triple negative breast cancer chemosensitivity and chemoresistance: current advances in biomarkers indentification. Expert Opin Ther Targets 2015; 20:705-20. [PMID: 26607563 DOI: 10.1517/14728222.2016.1125469] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Triple negative breast cancer (TNBC) is a heterogeneous clinicopathological entity constituting approximately 15 - 20% of all breast cancer (BC) patients. It shows high recurrence rate and poor prognosis. At this juncture, because of the lack of specific targeted therapies available and the development in patients of resistance to some therapeutic agents, clinical and translational settings have gained importance over the past decades. AREAS COVERED The development of novel, safe and effective alternatives for the treatment of TNBC are in high demand. Therefore, this review aims to summarize the state of the art of TNBC, its current therapies and potential therapeutic targets. In particular, focus is put on recent advances regarding the identification of emerging biomarkers as prognostic and/or predictive markers, including surrogate markers for molecular tumor subtyping and identifying potential responders to new therapies. EXPERT OPINION Effective development of informative markers could constitute an important armamentarium tool for identifying appropriate therapies to challenge the aggressiveness of TNBC.
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Affiliation(s)
- Fouzia Guestini
- a Department of Anatomic Pathology , Tohoku University School of Medicine , Aoba-ku, Sendai , Japan
| | - Keely May McNamara
- a Department of Anatomic Pathology , Tohoku University School of Medicine , Aoba-ku, Sendai , Japan
| | - Takanori Ishida
- b Department of Surgical Oncology , Tohoku University Graduate School of Medicine , Aoba-ku , Sendai , Japan
| | - Hironobu Sasano
- a Department of Anatomic Pathology , Tohoku University School of Medicine , Aoba-ku, Sendai , Japan
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Voduc KD, Nielsen TO, Perou CM, Harrell JC, Fan C, Kennecke H, Minn AJ, Cryns VL, Cheang MCU. αB-crystallin Expression in Breast Cancer is Associated with Brain Metastasis. NPJ Breast Cancer 2015; 1:15014. [PMID: 27656679 PMCID: PMC5027912 DOI: 10.1038/npjbcancer.2015.14] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 07/17/2015] [Accepted: 09/07/2015] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND/OBJECTIVES The molecular chaperone αB-crystallin is expressed in estrogen receptor, progesterone receptor and human epidermal growth factor receptor-2 "triple-negative" breast carcinomas and promotes brain and lung metastasis. We examined αB-crystallin expression in primary breast carcinomas with metastatic data to evaluate its association with prognosis and site-specific metastases. METHODS αB-crystallin gene (CRYAB) expression was examined using publically available global-gene expression data (n=855 breast tumors) with first site of distant metastasis information ("855Met"). αB-crystallin protein expression was determined by immunohistochemistry using the clinically annotated tissue microarray (n=3987 breast tumors) from British Columbia Cancer Agency (BCCA). Kaplan-Meier and multivariable Cox regression analyses were used to evaluate the prognostic value of αB-crystallin. Multivariable logistic regression analysis was used to evaluate risks of αB-crystallin and other markers for site of metastasis. RESULTS In the 855Met dataset, αB-crystallin gene (CRYAB) expression was an independent predictor of brain as the first distant site of relapse (HR = 1.2, (95% CI 1.0-1.4), P = 0.021). In the BCCA series, αB-crystallin protein expression was an independent prognostic marker of poor breast cancer specific survival (HR = 1.3, (95% CI 1.1-1.6), P = 0.014). Among patients with metastases, αB-crystallin was the strongest independent predictor of brain metastasis (OR = 2.99 (95% CI 1.83-4.89), P < 0.0001) and the only independent predictor of brain as the first site of distant metastasis (OR = 3.15 (95% CI1.43-6.95), P = 0.005). αB-crystallin was also associated with worse survival (3.0 versus 4.7 months, P = 0.007). CONCLUSIONS αB-crystallin is a promising biomarker to identify breast cancer patients at high risk for early relapse in the brain, independent of ER and HER2 status.
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Affiliation(s)
- K David Voduc
- Department of Radiation Oncology, University of British Columbia, Vancouver, BC, Canada
| | - Torsten O Nielsen
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Charles M Perou
- Department of Genetics, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - J Chuck Harrell
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, USA
| | - Cheng Fan
- Department of Genetics, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Hagen Kennecke
- Division of Medical Oncology, British Columbia Cancer Agency, University of British Columbia, Vancouver, BC, Canada
| | - Andy J Minn
- Department of Radiation Oncology, Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Vincent L Cryns
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Maggie C U Cheang
- Division of Clinical Studies, Clinical Trials and Statistics Unit (ICR-CTSU), Institute of Cancer Research, London, UK
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Kim MS, Lee HW, Jun SY, Lee EH. Expression of alpha B crystallin and BCL2 in patients with infiltrating ductal carcinoma. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2015; 8:8842-8856. [PMID: 26464626 PMCID: PMC4583858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/07/2015] [Accepted: 07/21/2015] [Indexed: 06/05/2023]
Abstract
Alpha B crystallin was characterized as a negative prognostic factor in breast cancer. BCL2 has an antiapoptotic role and sustains cell survival in vitro, ironically BCL2 expression has been associated with a good prognosis of breast cancer patients. To investigate the significance of alpha B crystallin and BCL2 expression in breast cancer and the relationship between these proteins, we performed immunohistochemical staining for both proteins in human breast cancer tissues. In the present study, overexpression of alpha B crystallin was observed more frequently in triple negative cancer (9/20, 45%) than in luminal type cancer (8/53, 15.1%, P=0.02161). BCL2 tended to be more highly expressed in luminal type cancer than in HER2 and triple negative cancer types (luminal: 36/53, 68%, HER2: 2/9, 22%, triple negative: 7/20 35%, P=0.008652). In multivariate analysis using ANCOVA, alpha B crystallin was related to short overall survival (P=0.017173). These findings suggest that alpha B crystallin is an independent prognostic factor of infiltrating ductal carcinoma. BCL2 was not associated with survival in multivariate analysis using ANCOVA. Thus, in our study BCL2 was not an independent prognostic indicator.
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Affiliation(s)
- Mee-Seon Kim
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of MedicineChangwon, South Korea
| | - Hyoun Wook Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of MedicineChangwon, South Korea
| | - Si-Youl Jun
- Department of Surgery, Samsung Changwon Hospital, Sungkyunkwan University School of MedicineChangwon, South Korea
| | - Eun Hee Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of MedicineChangwon, South Korea
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Chien ST, Yang TF, Yang MC, Hsu CM, Hong YR, Lee TM. Differential roles of Bcl2L12 and its short variant in breast cancer lymph node metastasis. Oncol Rep 2015; 34:961-71. [PMID: 26082034 DOI: 10.3892/or.2015.4071] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 05/25/2015] [Indexed: 11/05/2022] Open
Abstract
Bcl2L12 plays a role in post-mitochondrial apoptosis through multiple mechanisms involving p53, αB-crystallin, caspase-3 and -7 in glioblastoma. Bcl2L12 is reported to be a good prognostic marker in breast cancer and correlated with ER and Bcl2 expression status. However, the mechanisms by which Bcl2L12 regulates apoptosis in breast cancer (BCa) remain unknown. Recent studies have shown that Bcl2L12 expression is a useful biomarker in other types of cancer. Thus, we examined whether Bcl2L12 and Bcl2L12A mRNA were associated with breast cancer progression or a specific subtype. In total, 106 paraffin-embedded, different stage breast cancer specimens were prepared and quantified for Bcl2L12 and Bcl2L12A expression by PCR. The correlation between Bcl2L12 and Bcl2L12A mRNA levels and clinicopathological characteristics was statistically analyzed. The results showed that Bcl2L12 and Bcl2L12A mRNA expression was not significantly different across the different stage, grade and TNM classification groups (P>0.005). Using linear regression, Bcl2L12 mRNA was associated with Bcl2L12A mRNA, grade 3 tumor and the triple-negative breast cancer (TNBC) subtype. In non-TNBC specimens, Bcl2L12 mRNA was only correlated with Bcl2L12A mRNA. Bcl2L12A mRNA was positively associated with Bcl2L12 mRNA and the number of lymph node metastases, but negatively correlated with staging in the non-TNBC group. Specifically, Bcl2L12, but not Bcl2L12A, mRNA was significantly higher in TNBC and grade 3 tumors, respectively. In non-TNBC, Bcl2L12A mRNA was significantly highly expressed in tumors with ≥ 12 metastatic lymph nodes. Bcl2L12 and its variant mRNA were highly expressed in carcinoma in situ (CIS) samples. In addition, they were estimated to be correlated with the total sample and non-TNBC, but not the TNBC group. In summary, a high Bcl2L12 mRNA expression was associated with the high-grade BCa and TNBC subtype. In addition, the interplay between Bcl2L12 and its variant may be associated with high lymph node metastasis in non-TNBC tumors.
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Affiliation(s)
- Shang-Tao Chien
- Department of Pathology, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan, R.O.C
| | - Tzu-Feng Yang
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C
| | - Ming-Chang Yang
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C
| | - Ching-Mei Hsu
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C
| | - Yi-Ren Hong
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan, R.O.C
| | - Tai-Min Lee
- Department of Pathology, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan, R.O.C
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Nagaraj RH, Nahomi RB, Mueller NH, Raghavan CT, Ammar DA, Petrash JM. Therapeutic potential of α-crystallin. Biochim Biophys Acta Gen Subj 2015; 1860:252-7. [PMID: 25840354 DOI: 10.1016/j.bbagen.2015.03.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 03/26/2015] [Indexed: 01/18/2023]
Abstract
BACKGROUND The findings that α-crystallins are multi-functional proteins with diverse biological functions have generated considerable interest in understanding their role in health and disease. Recent studies have shown that chaperone peptides of α-crystallin could be delivered into cultured cells and in experimental animals with beneficial effects against protein aggregation, oxidation, inflammation and apoptosis. SCOPE OF REVIEW In this review, we will summarize the latest developments on the therapeutic potential of α-crystallins and their functional peptides. MAJOR CONCLUSIONS α-Crystallins and their functional peptides have shown significant favorable effects against several diseases. Their targeted delivery to tissues would be of great therapeutic benefit. However, α-crystallins can also function as disease-causing proteins. These seemingly contradictory functions must be carefully considered prior to their therapeutic use. GENERAL SIGNIFICANCE αA and αB-Crystallin are members of the small heat shock protein family. These proteins exhibit molecular chaperone and anti-apoptotic activities. The core crystallin domain within these proteins is largely responsible for these prosperities. Recent studies have identified peptides within the crystallin domain of both α- and αB-crystallins with remarkable chaperone and anti-apoptotic activities. Administration of α-crystallin or their functional peptides has shown substantial inhibition of pathologies in several diseases. However, α-crystallins have been shown to promote disease-causing pathways. These two sides of the proteins are discussed in this review. This article is part of a Special Issue entitled Crystallin Biochemistry in Health and Disease.
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Affiliation(s)
- Ram H Nagaraj
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, CO 80045, USA.
| | - Rooban B Nahomi
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Niklaus H Mueller
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Cibin T Raghavan
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - David A Ammar
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - J Mark Petrash
- Department of Ophthalmology, University of Colorado School of Medicine, Aurora, CO 80045, USA
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Chen Y, Palczewski K. Systems Pharmacology Links GPCRs with Retinal Degenerative Disorders. Annu Rev Pharmacol Toxicol 2015; 56:273-98. [PMID: 25839098 DOI: 10.1146/annurev-pharmtox-010715-103033] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In most biological systems, second messengers and their key regulatory and effector proteins form links between multiple cellular signaling pathways. Such signaling nodes can integrate the deleterious effects of genetic aberrations, environmental stressors, or both in complex diseases, leading to cell death by various mechanisms. Here we present a systems (network) pharmacology approach that, together with transcriptomics analyses, was used to identify different G protein-coupled receptors that experimentally protected against cellular stress and death caused by linked signaling mechanisms. We describe the application of this concept to degenerative and diabetic retinopathies in appropriate mouse models as an example. Systems pharmacology also provides an attractive framework for devising strategies to combat complex diseases by using (repurposing) US Food and Drug Administration-approved pharmacological agents.
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Affiliation(s)
- Yu Chen
- Yueyang Hospital and.,Clinical Research Institute of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Krzysztof Palczewski
- Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106;
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Kanojia D, Morshed RA, Zhang L, Miska JM, Qiao J, Kim JW, Pytel P, Balyasnikova IV, Lesniak MS, Ahmed AU. βIII-Tubulin Regulates Breast Cancer Metastases to the Brain. Mol Cancer Ther 2015; 14:1152-61. [PMID: 25724666 DOI: 10.1158/1535-7163.mct-14-0950] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 02/18/2015] [Indexed: 01/11/2023]
Abstract
Brain metastases occur in about 10% to 30% of breast cancer patients, which culminates in a poor prognosis. It is, therefore, critical to understand the molecular mechanisms underlying brain metastatic processes to identify relevant targets. We hypothesized that breast cancer cells must express brain-associated markers that would enable their invasion and survival in the brain microenvironment. We assessed a panel of brain-predominant markers and found an elevation of several neuronal markers (βIII-tubulin, Nestin, and AchE) in brain metastatic breast cancer cells. Among these neuronal predominant markers, in silico analysis revealed overexpression of βIII-tubulin (TUBB3) in breast cancer brain metastases (BCBM) and its expression was significantly associated with distant metastases. TUBB3 knockdown studies were conducted in breast cancer models (MDA-Br, GLIM2, and MDA-MB-468), which revealed significant reduction in their invasive capabilities. MDA-Br cells with suppressed TUBB3 also demonstrated loss of key signaling molecules such as β3 integrin, pFAK, and pSrc in vitro. Furthermore, TUBB3 knockdown in a brain metastatic breast cancer cell line compromised its metastatic ability in vivo, and significantly improved survival in a brain metastasis model. These results implicate a critical role of TUBB3 in conferring brain metastatic potential to breast cancer cells.
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Affiliation(s)
- Deepak Kanojia
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
| | - Ramin A Morshed
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
| | - Lingjiao Zhang
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
| | - Jason M Miska
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
| | - Jian Qiao
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
| | - Julius W Kim
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
| | - Peter Pytel
- Department of Pathology, University of Chicago Medical Center, Chicago, Illinois
| | | | - Maciej S Lesniak
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois.
| | - Atique U Ahmed
- The Brain Tumor Center, The University of Chicago, Chicago, Illinois
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Strekalova E, Malin D, Good DM, Cryns VL. Methionine Deprivation Induces a Targetable Vulnerability in Triple-Negative Breast Cancer Cells by Enhancing TRAIL Receptor-2 Expression. Clin Cancer Res 2015; 21:2780-91. [PMID: 25724522 DOI: 10.1158/1078-0432.ccr-14-2792] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 02/11/2015] [Indexed: 01/01/2023]
Abstract
PURPOSE Many neoplasms are vulnerable to methionine deficiency by mechanisms that are poorly understood. Because gene profiling studies have revealed that methionine depletion increases TNF-related apoptosis-inducing ligand receptor-2 (TRAIL-R2) mRNA, we postulated that methionine stress sensitizes breast cancer cells to proapoptotic TRAIL-R2 agonists. EXPERIMENTAL DESIGN Human triple (ER/PR/HER2)-negative breast carcinoma cell lines were cultured in control or methionine-free media. The effects of methionine depletion on TRAIL receptor expression and sensitivity to chemotherapy or a humanized agonistic TRAIL-R2 monoclonal antibody (lexatumumab) were determined. The melanoma-associated antigen MAGED2 was silenced to delineate its functional role in sensitizing TNBC cells to methionine stress. An orthotopic TNBC model was utilized to evaluate the effects of dietary methionine deficiency, lexatumumab, or the combination. RESULTS Methionine depletion sensitized TNBC cells to lexatumumab-induced caspase activation and apoptosis by increasing TRAIL-R2 mRNA and cell surface expression. MCF-10A cells transformed by oncogenic H-Ras, but not untransformed cells, and matrix-detached TNBC cells were highly sensitive to the combination of lexatumumab and methionine depletion. Proteomics analyses revealed that MAGED2, which has been reported to reduce TRAIL-R2 expression, was suppressed by methionine stress. Silencing MAGED2 recapitulated features of methionine deprivation, including enhanced mRNA and cell surface expression of TRAIL receptors and increased sensitivity to TRAIL receptor agonists. Dietary methionine deprivation enhanced the antitumor effects of lexatumumab in an orthotopic metastatic TNBC model. CONCLUSIONS Methionine depletion exposes a targetable defect in TNBC cells by increasing TRAIL-R2 expression. Our findings provide the foundation for a clinical trial combining dietary methionine restriction and TRAIL-R2 agonists. Clin Cancer Res; 21(12); 2780-91. ©2015 AACR.
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Affiliation(s)
- Elena Strekalova
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Dmitry Malin
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - David M Good
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Vincent L Cryns
- Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin.
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ERK-regulated αB-crystallin induction by matrix detachment inhibits anoikis and promotes lung metastasis in vivo. Oncogene 2015; 34:5626-34. [PMID: 25684139 PMCID: PMC4537846 DOI: 10.1038/onc.2015.12] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Revised: 12/11/2014] [Accepted: 01/02/2015] [Indexed: 01/25/2023]
Abstract
Evasion of extracellular matrix detachment-induced apoptosis ('anoikis') is a defining characteristic of metastatic tumor cells. The ability of metastatic carcinoma cells to survive matrix detachment and escape anoikis enables them to disseminate as viable circulating tumor cells and seed distant organs. Here we report that αB-crystallin, an antiapoptotic molecular chaperone implicated in the pathogenesis of diverse poor-prognosis solid tumors, is induced by matrix detachment and confers anoikis resistance. Specifically, we demonstrate that matrix detachment downregulates extracellular signal-regulated kinase (ERK) activity and increases αB-crystallin protein and messenger RNA (mRNA) levels. Moreover, we show that ERK inhibition in adherent cancer cells mimics matrix detachment by increasing αB-crystallin protein and mRNA levels, whereas constitutive ERK activation suppresses αB-crystallin induction during matrix detachment. These findings indicate that ERK inhibition is both necessary and sufficient for αB-crystallin induction by matrix detachment. To examine the functional consequences of αB-crystallin induction in anoikis, we stably silenced αB-crystallin in two different metastatic carcinoma cell lines. Strikingly, silencing αB-crystallin increased matrix detachment-induced caspase activation and apoptosis but did not affect cell viability of adherent cancer cells. In addition, silencing αB-crystallin in metastatic carcinoma cells reduced the number of viable circulating tumor cells and inhibited lung metastasis in two orthotopic models, but had little or no effect on primary tumor growth. Taken together, our findings point to αB-crystallin as a novel regulator of anoikis resistance that is induced by matrix detachment-mediated suppression of ERK signaling and promotes lung metastasis. Our results also suggest that αB-crystallin represents a promising molecular target for antimetastatic therapies.
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Kodack DP, Askoxylakis V, Ferraro GB, Fukumura D, Jain RK. Emerging strategies for treating brain metastases from breast cancer. Cancer Cell 2015; 27:163-75. [PMID: 25670078 PMCID: PMC4325273 DOI: 10.1016/j.ccell.2015.01.001] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 10/25/2014] [Accepted: 01/06/2015] [Indexed: 12/20/2022]
Abstract
Brain metastasis is an end stage in breast cancer progression. Traditional treatment options have minimal efficacy, and overall survival is on the order of months. The incidence of brain metastatic disease is increasing with the improved management of systemic disease and prolongation of survival. Unfortunately, the targeted therapies that control systemic disease have diminished efficacy against brain lesions. There are reasons to be optimistic, however, as emerging therapies have shown promise in preclinical and early clinical settings. This review discusses recent advances in breast cancer brain metastasis therapy and potential approaches for successful treatment.
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Affiliation(s)
- David P Kodack
- Edwin L. Steele Laboratory, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Vasileios Askoxylakis
- Edwin L. Steele Laboratory, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Gino B Ferraro
- Edwin L. Steele Laboratory, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Dai Fukumura
- Edwin L. Steele Laboratory, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Rakesh K Jain
- Edwin L. Steele Laboratory, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
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68
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Medress Z, Hayden Gephart M. Molecular and Genetic Predictors of Breast-to-Brain Metastasis: Review and Case Presentation. Cureus 2015; 7:e246. [PMID: 26180670 PMCID: PMC4494590 DOI: 10.7759/cureus.246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2015] [Indexed: 01/02/2023] Open
Abstract
Brain metastases are the most common intracranial malignancy, and breast cancer is the second most common cancer to metastasize to the brain. Intracranial disease is a late manifestation of breast cancer with few effective treatment options, affecting 15-50% of breast cancer patients, depending upon molecular subtype. In this review article, we describe the genetic, molecular, and metabolic changes in breast cancer cells that facilitate breast to brain metastasis. We believe that advances in the understanding of breast to brain metastasis pathogenesis will lead to targeted molecular therapies and to improvements in the ability to prospectively identify patients at increased risk for developing intracranial disease.
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69
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Value of oncogenes for the prediction of brain metastases at initial diagnosis: a review of published data. Int J Biol Markers 2014; 29:e291-300. [PMID: 24832179 DOI: 10.5301/jbm.5000089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/22/2014] [Indexed: 11/20/2022]
Abstract
Identifying cancer patients who are at high risk of developing brain metastases at initial diagnosis and applying effective intervention or monitoring strategies is of vital importance. Recent advances in the biology of brain metastases revealed that some oncogenes from primary tumors may be potential markers for identifying cancer patients likely to metastasize to the brain. We here summarize data on the mechanisms of brain metastases supporting the involvement of oncogene changes in the brain metastatic evolution. We also review the available evidence on clinical studies of oncogenes in the prediction of cancer patients with high incidence of brain metastases.
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70
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Halo TL, McMahon KM, Angeloni NL, Xu Y, Wang W, Chinen AB, Malin D, Strekalova E, Cryns VL, Cheng C, Mirkin CA, Thaxton CS. NanoFlares for the detection, isolation, and culture of live tumor cells from human blood. Proc Natl Acad Sci U S A 2014; 111:17104-9. [PMID: 25404304 PMCID: PMC4260589 DOI: 10.1073/pnas.1418637111] [Citation(s) in RCA: 162] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Metastasis portends a poor prognosis for cancer patients. Primary tumor cells disseminate through the bloodstream before the appearance of detectable metastatic lesions. The analysis of cancer cells in blood—so-called circulating tumor cells (CTCs)—may provide unprecedented opportunities for metastatic risk assessment and investigation. NanoFlares are nanoconstructs that enable live-cell detection of intracellular mRNA. NanoFlares, when coupled with flow cytometry, can be used to fluorescently detect genetic markers of CTCs in the context of whole blood. They allow one to detect as few as 100 live cancer cells per mL of blood and subsequently culture those cells. This technique can also be used to detect CTCs in a murine model of metastatic breast cancer. As such, NanoFlares provide, to our knowledge, the first genetic-based approach for detecting, isolating, and characterizing live cancer cells from blood and may provide new opportunities for cancer diagnosis, prognosis, and personalized therapy.
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MESH Headings
- Base Sequence
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Breast Neoplasms/blood
- Breast Neoplasms/genetics
- Breast Neoplasms/metabolism
- Cadherins/genetics
- Cadherins/metabolism
- Carbocyanines/chemistry
- Carbocyanines/metabolism
- Cell Line, Tumor
- DNA, Antisense/chemistry
- DNA, Antisense/genetics
- DNA, Antisense/metabolism
- Female
- Fibronectins/genetics
- Fibronectins/metabolism
- Gold/chemistry
- Green Fluorescent Proteins/genetics
- Green Fluorescent Proteins/metabolism
- Humans
- Luminescent Proteins/genetics
- Luminescent Proteins/metabolism
- Metal Nanoparticles/chemistry
- Microscopy, Fluorescence
- Nanotechnology/methods
- Neoplastic Cells, Circulating/chemistry
- Neoplastic Cells, Circulating/metabolism
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Transplantation, Heterologous
- Vimentin/genetics
- Vimentin/metabolism
- Red Fluorescent Protein
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Affiliation(s)
- Tiffany L Halo
- Department of Chemistry, International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208-3113
| | - Kaylin M McMahon
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611; Simpson Querrey Institute for BioNanotechnology in Medicine, Northwestern University, Chicago, IL, 60611; Walter S. and Lucienne Driskill Graduate Training Program in Life Sciences, Northwestern University, Chicago, IL 60611
| | - Nicholas L Angeloni
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611; Simpson Querrey Institute for BioNanotechnology in Medicine, Northwestern University, Chicago, IL, 60611; Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611
| | - Yilin Xu
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611; Department of Medicine, Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611
| | - Wei Wang
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611; Department of Medicine, Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611
| | - Alyssa B Chinen
- Department of Chemistry, International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208-3113
| | - Dmitry Malin
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53705; and
| | - Elena Strekalova
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53705; and
| | - Vincent L Cryns
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Wisconsin Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, WI, 53705; and
| | - Chonghui Cheng
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611; Department of Medicine, Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611
| | - Chad A Mirkin
- Department of Chemistry, International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208-3113; Department of Materials Science and Engineering, and
| | - C Shad Thaxton
- International Institute for Nanotechnology, Northwestern University, Evanston, IL 60208-3113; Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL 60611; Simpson Querrey Institute for BioNanotechnology in Medicine, Northwestern University, Chicago, IL, 60611; Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611;
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71
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Arslan C, Dizdar O, Altundag K. Chemotherapy and biological treatment options in breast cancer patients with brain metastasis: an update. Expert Opin Pharmacother 2014; 15:1643-58. [PMID: 25032884 DOI: 10.1517/14656566.2014.929664] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
INTRODUCTION Breast cancer (BC) is the second most common cause of CNS metastasis. Ten to 20% of all, and 38% of human epidermal growth factor-2(+), metastatic BC patients experience brain metastasis (BM). Prolonged survival with better control of systemic disease and limited penetration of drugs to CNS increased the probability of CNS metastasis as a sanctuary site of relapse. Treatment of CNS disease has become an important component of overall disease control and quality of life. AREAS COVERED Current standard therapy for BM is whole-brain radiotherapy, surgery, stereotactic body radiation therapy for selected cases, corticosteroids and systemic chemotherapy. Little progress has been made in chemotherapy for the treatment of BM in patients with BC. Nevertheless, new treatment choices have emerged. In this review, we aimed to update current and future treatment options in systemic treatment for BM of BC. EXPERT OPINION Cornerstone local treatment options for BM of BC are radiotherapy and surgery in selected cases. Efficacy of cytotoxic chemotherapeutics is limited. Among targeted therapies, lapatinib has activity in systemic treatment of BM particularly when used in combination with capecitabine. Novel agents are currently investigated.
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Affiliation(s)
- Cagatay Arslan
- Izmir University Medical Park Hospital, Department of Medical Oncology , Izmir , Turkey
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72
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Abstract
Brain metastases are less common than bone or visceral metastases in patients with breast cancer. The overall prognosis of breast cancer patients with brain metastases remains poor, and these metastases are less responsive to systemic therapies. Brain metastasis is associated with a reduced quality of life due to progressive neurologic impairments. Recently, a trend of increased incidence of brain metastases in breast cancer has been noted. Reasons for this increased incidence include the more frequent use of sensitive detection methods such as contrast-enhanced magnetic resonance imaging and increased awareness of brain metastasis among patients and clinicians. Adjuvant and systemic therapy with drugs that have a low blood-brain barrier penetrance can lead to an increased risk of brain metastases in breast cancer patients. Molecular subtype is a predictive factor for overall survival after developing brain metastases. Patients who do not have a poor prognosis based on previously identified prognostic factors should be treated with radiation therapy to control symptoms. Whole-brain radiation therapy, stereotactic irradiation and surgery are tools for the local treatment of brain metastases. Novel molecular target therapy, including HER2-targeted therapy, has demonstrated an antitumor effect on brain metastases. In this review, we provide a practical algorithm for the treatment of breast cancer brain metastases. This review provides an overview of the incidence, risk factors, diagnosis, prognostic factors and current and potential future management strategies of breast cancer brain metastases.
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Affiliation(s)
- Naoki Niikura
- Department of Target Therapy Oncology, Kyoto University Graduate School of Medicine, Kyoto Departments of Breast and Endocrine Surgery, Tokai University School of Medicine, Kanagawa
| | - Shigehira Saji
- Department of Target Therapy Oncology, Kyoto University Graduate School of Medicine, Kyoto Department of Medical Oncology, Fukushima Medical University, Fukushima
| | - Yutaka Tokuda
- Departments of Breast and Endocrine Surgery, Tokai University School of Medicine, Kanagawa
| | - Hiroji Iwata
- Department of Breast Oncology, Aichi Cancer Center Hospital, Nagoya, Japan
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73
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Shi C, He Z, Hou N, Ni Y, Xiong L, Chen P. Alpha B-crystallin correlates with poor survival in colorectal cancer. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2014; 7:6056-6063. [PMID: 25337251 PMCID: PMC4203222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/27/2014] [Accepted: 08/23/2014] [Indexed: 06/04/2023]
Abstract
Alpha B-crystallin (CRYAB) is primarily found as major structural proteins of the ocular lens and is a principal member of the small heat shock protein (HSP) family. So far, CRYAB has been suggested to play critical roles in the development of several kinds of human cancers. However, the association between CRYAB expression and clinicopathological characteristics of colorectal cancer (CRC) has not been elucidated yet. In the present study, one-step quantitative PCR reverse transcription-polymerase chain reaction (qPCR) analysis of 18 samples of CRC and immunohistochemistry (IHC) analysis with 100 cases of CRC sample in tissue microarrays (TMA) were employed to evaluate the expression of CRYAB in CRC. The results suggested that CRYAB expression in the mRNA and protein levels was significantly higher in CRC tissues than in corresponding non-cancerous tissues (P < 0.05 and P = 0.014, respectively). The expression of CRYAB protein in CRC was significantly associated with distant metastasis (P = 0.040) and overall survival (P = 0.003). Kaplan-Meier method and multivariate survival analysis indicated that high expression of CRYAB (P = 0.040) and distant metastasis (P = 0.005) showed significant correlations with poor prognosis of CRC patients. The data imply that CRYAB expression is correlated with substantial clinical characteristics of CRC, and it may be identified as an unfavorable prognostic factor for CRC.
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Affiliation(s)
- Chuanbing Shi
- Department of Pathology and Pathophysiology, School of Medicine, Southeast UniversityNanjing 210009, China
| | - Zhenyu He
- Department of General Surgery, The Second Affiliated Hospital of Nanjing Medical UniversityNanjing 210000, China
| | - Ning Hou
- Department of Pathology, Jiangsu Cancer HospitalNanjing 210000, China
| | - Yijiang Ni
- Department of Traumatic Surgery, Changzhou No. 2 People’s Hospital Affiliated with Nanjing Medical UniversityChangzhou 213000, China
| | - Lin Xiong
- Department of Pathology, The Second Affiliated Hospital of Nanjing Medical UniversityNanjing 210000, China
| | - Pingsheng Chen
- Department of Pathology and Pathophysiology, School of Medicine, Southeast UniversityNanjing 210009, China
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Elevated expression of CRYAB predicts unfavorable prognosis in non-small cell lung cancer. Med Oncol 2014; 31:142. [PMID: 25048725 DOI: 10.1007/s12032-014-0142-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 07/15/2014] [Indexed: 11/27/2022]
Abstract
Alpha B-crystallin (CRYAB) is one of the principal members of the small heat-shock protein family, and several studies described the CRYAB expression in human cancers. However, the association between CRYAB expression and the clinical features of non-small cell lung cancer (NSCLC) is rarely elucidated. In this present study, one-step quantitative reverse transcription-polymerase chain reaction with 12 fresh-frozen NSCLC samples and Western blotting as well as immunohistochemistry (IHC) analyses in 101 NSCLC cases were conducted to investigate the relationship between CRYAB expression and the clinicopathological attributes of NSCLC. The results showed that CRYAB mRNA and protein expression levels were significantly higher in NSCLC than in matched non-cancerous tissues (p < 0.05). The IHC data indicated that the CRYAB protein expression in NSCLC was significantly correlated with TNM stage (p = 0.043), and overall survival (p = 0.029). Kaplan-Meier method and Cox multifactor analysis suggested that higher CRYAB protein level (p = 0.032) and TNM stage (p = 0.048) were statistically associated with the poor survival of patients with NSCLC. The data suggested that CRYAB may be identified as a novel prognostic marker and targeting CRYAB may provide a promising strategy for NSCLC treatment.
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Yilmaz M, Karatas OF, Yuceturk B, Dag H, Yener M, Ozen M. Alpha-B-crystallin expression in human laryngeal squamous cell carcinoma tissues. Head Neck 2014; 37:1344-8. [PMID: 24817638 DOI: 10.1002/hed.23746] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 02/26/2014] [Accepted: 05/07/2014] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Laryngeal squamous cell carcinoma (SCC), being an aggressive malignancy, is one of the most commonly diagnosed malignant types of head and neck SCC worldwide. The recent studies suggested that αB-crystallin might play an important role in tumorigenesis. The purpose of this study was to investigate the αB-crystallin expression level in metastatic and nonmetastatic laryngeal SCC tissues and to determine its prognostic significance. METHODS Alpha-B-crystallin expression status in metastatic, nonmetastatic laryngeal SCC, and normal tissue samples was investigated by quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS We demonstrated that the expression of αB-crystallin was significantly upregulated in laryngeal SCC tumor tissue samples in comparison with the corresponding normal tissues (p < .001), although no significant association has been found between αB-crystallin expression and either the metastatic potential or the T classification of the specimens. CONCLUSION Although expression of αB-crystallin is not statistically correlated with neck metastases, we demonstrated that αB-crystallin is significantly overexpressed in laryngeal cancer.
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Affiliation(s)
- Mehmet Yilmaz
- Department of Otorhinolaryngology, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey
| | - Omer Faruk Karatas
- Department of Medical Genetics, Istanbul University Cerrahpasa Medical School, Istanbul, Turkey.,Molecular Biology and Genetics Department, Erzurum Technical University, Erzurum, Turkey
| | - Betul Yuceturk
- Department of Medical Genetics, Istanbul University Cerrahpasa Medical School, Istanbul, Turkey
| | - Huseyin Dag
- Department of Otorhinolaryngology, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey
| | - Murat Yener
- Department of Otorhinolaryngology, Cerrahpasa Medical School, Istanbul University, Istanbul, Turkey
| | - Mustafa Ozen
- Department of Medical Genetics, Istanbul University Cerrahpasa Medical School, Istanbul, Turkey.,Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas.,Biruni University, Istanbul, Turkey
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Van Swearingen AE, Siegel MB, Anders CK. Breast cancer brain metastases: evidence for neuronal-like adaptation in a 'breast-to-brain' transition? Breast Cancer Res 2014; 16:304. [PMID: 25679873 PMCID: PMC4052941 DOI: 10.1186/bcr3651] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Brain metastases remain a significant challenge in the treatment of breast cancer patients due to the unique environment posed by the central nervous system. A better understanding of the biology of breast cancer cells that have metastasized to the brain is required to develop improved therapies. A recent Proceedings of the National Academy of Sciences article demonstrates that breast cancer cells in the brain microenvironment express γ-aminobutyric acid (GABA)-related genes, enabling them to utilize GABA as an oncometabolite, thus gaining a proliferative advantage. In this viewpoint, we highlight these findings and their potential impact on the treatment of breast cancer brain metastases.
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