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Frank MH, Wilson BJ, Gold JS, Frank NY. Clinical Implications of Colorectal Cancer Stem Cells in the Age of Single-Cell Omics and Targeted Therapies. Gastroenterology 2021; 160:1947-1960. [PMID: 33617889 PMCID: PMC8215897 DOI: 10.1053/j.gastro.2020.12.080] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 11/30/2020] [Accepted: 12/10/2020] [Indexed: 02/07/2023]
Abstract
The cancer stem cell (CSC) concept emerged from the recognition of inherent tumor heterogeneity and suggests that within a given tumor, in analogy to normal tissues, there exists a cellular hierarchy composed of a minority of more primitive cells with enhanced longevity (ie, CSCs) that give rise to shorter-lived, more differentiated cells (ie, cancer bulk populations), which on their own are not capable of tumor perpetuation. CSCs can be responsible for cancer therapeutic resistance to conventional, targeted, and immunotherapeutic treatment modalities, and for cancer progression through CSC-intrinsic molecular mechanisms. The existence of CSCs in colorectal cancer (CRC) was first established through demonstration of enhanced clonogenicity and tumor-forming capacity of this cell subset in human-to-mouse tumor xenotransplantation experiments and subsequently confirmed through lineage-tracing studies in mice. Surface markers for CRC CSC identification and their prospective isolation are now established. Therefore, the application of single-cell omics technologies to CSC characterization, including whole-genome sequencing, RNA sequencing, and epigenetic analyses, opens unprecedented opportunities to discover novel targetable molecular pathways and hence to develop novel strategies for CRC eradication. We review recent advances in this field and discuss the potential implications of next-generation CSC analyses for currently approved and experimental targeted CRC therapies.
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Affiliation(s)
- Markus H. Frank
- Transplant Research Program, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts;,Department of Dermatology, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts;,Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts;,School of Medical and Health Sciences, Edith Cowan University, Perth, Western Australia, Australia
| | - Brian J. Wilson
- Transplant Research Program, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts;,Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts
| | - Jason S. Gold
- Department of Surgery, Veterans Affairs Boston Healthcare System, Boston, Massachusetts;,Department of Surgery, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Natasha Y. Frank
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts;,Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, Massachusetts;,Division of Genetics, Brigham & Women’s Hospital, Harvard Medical School, Boston, Massachusetts
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2
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Karas Zella MA, Sebastião APM, Collaço LM, Ogata DC, Cecchetti G, Bartolomei IJP, Waaga-Gasser AM, Ribas CAPM. Prognostic significance of CD133 and ABCB5 expression in papillary thyroid carcinoma. Eur J Histochem 2020; 64. [PMID: 33207860 PMCID: PMC7674992 DOI: 10.4081/ejh.2020.3143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 11/03/2020] [Indexed: 01/06/2023] Open
Abstract
Expression of CD133 and ABCB5 is associated with tumor aggressiveness, but evidence in papillary thyroid cancer (PTC) is lacking. We correlated CD133 and ABCB5 expression with pathological characteristics and factors of worse prognosis in PTC. Samples of 119 PTCs and 40 controls (goiters) were distributed in 8 tissue microarray blocks and evaluated with immunohistochemistry using anti-CD133 and anti-ABCB5 antibodies. The expression of each marker alone and combined was analyzed against pathological characteristics and factors of worse prognosis in PTC. Expression of CD133 alone (19 tumors, 16.0%) was more frequent in patients with versus without lymph node metastases (P=0.024). Expression of ABCB5 alone (n=95, 83.3%) was associated with larger tumor size (P=0.045). CD133-ABCB5 coexpression was not associated with pathological characteristics or factors of worse prognosis in PTC.
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Affiliation(s)
| | | | | | - Daniel Cury Ogata
- Department of Pathology, Universidade do Vale do Itajai, Santa Catarina.
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3
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Weng CH, Wu CS, Wu JC, Kung ML, Wu MH, Tai MH. Cisplatin-Induced Giant Cells Formation Is Involved in Chemoresistance of Melanoma Cells. Int J Mol Sci 2020; 21:ijms21217892. [PMID: 33114317 PMCID: PMC7660656 DOI: 10.3390/ijms21217892] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/17/2020] [Accepted: 10/19/2020] [Indexed: 01/03/2023] Open
Abstract
Melanoma is notoriously resistant to current cancer therapy. However, the chemoresistance mechanism of melanoma remains unclear. The present study unveiled that chemotherapy drug cisplatin induced the formation of giant cells, which exhibited enlargement in cell diameter and nucleus in mice and human melanoma cells. Giant cells were positive with melanoma maker S100 and cancer stem cell markers including ABCB5 and CD133 in vitro and in vivo. Moreover, giant cells retained the mitotic ability with expression of proliferation marker Ki-67 and exhibited multiple drug resistance to doxorubicin and actinomycin D. The mitochondria genesis/activities and cellular ATP level were significantly elevated in giant cells, implicating the demand for energy supply. Application of metabolic blockers such as sodium azide or 2-deoxy glucose abolished the cisplatin-induced giant cells formation and expression of cancer stemness markers. The present study unveils a novel chemoresistance mechanism of melanoma cells via size alteration and the anti-neoplastic strategy by targeting giant cells.
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Affiliation(s)
- Chien-Hui Weng
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan;
| | - Chieh-Shan Wu
- Department of Dermatology, Kaohsiung Veterans General Hospital, Kaohsiung 81362, Taiwan;
- Department of Dermatology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jian-Ching Wu
- Biobank and Tissue Bank, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan;
| | - Mei-Lang Kung
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung 81362, Taiwan;
| | - Ming-Hsiu Wu
- Department of Nutrition and Health Science, Fooyin University, Kaohsiung 83102, Taiwan
- Correspondence: (M.-H.W.); (M.-H.T.)
| | - Ming-Hong Tai
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan;
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
- Correspondence: (M.-H.W.); (M.-H.T.)
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4
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Lee CAA, Banerjee P, Wilson BJ, Wu S, Guo Q, Berg G, Karpova S, Mishra A, Lian JW, Tran J, Emmerich M, Murphy GF, Frank MH, Frank NY. Targeting the ABC transporter ABCB5 sensitizes glioblastoma to temozolomide-induced apoptosis through a cell-cycle checkpoint regulation mechanism. J Biol Chem 2020; 295:7774-7788. [PMID: 32317280 PMCID: PMC7261782 DOI: 10.1074/jbc.ra120.013778] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 04/10/2020] [Indexed: 02/01/2023] Open
Abstract
Glioblastoma multiforme (GBM) is a malignant brain tumor with a poor prognosis resulting from tumor resistance to anticancer therapy and a high recurrence rate. Compelling evidence suggests that this is driven by subpopulations of cancer stem cells (CSCs) with tumor-initiating potential. ABC subfamily B member 5 (ABCB5) has been identified as a molecular marker for distinct subsets of chemoresistant tumor-initiating cell populations in diverse human malignancies. In the current study, we examined the potential role of ABCB5 in growth and chemoresistance of GBM. We found that ABCB5 is expressed in primary GBM tumors, in which its expression was significantly correlated with the CSC marker protein CD133 and with overall poor survival. Moreover, ABCB5 was also expressed by CD133-positive CSCs in the established human U-87 MG, LN-18, and LN-229 GBM cell lines. Antibody- or shRNA-mediated functional ABCB5 blockade inhibited proliferation and survival of GBM cells and sensitized them to temozolomide (TMZ)-induced apoptosis in vitro Likewise, in in vivo human GBM xenograft experiments with immunodeficient mice, mAb treatment inhibited growth of mutant TP53, WT PTEN LN-229 tumors, and sensitized LN-229 tumors to TMZ therapy. Mechanistically, we demonstrate that ABCB5 blockade inhibits TMZ-induced G2/M arrest and augments TMZ-mediated cell death. Our results identify ABCB5 as a GBM chemoresistance marker and point to the potential utility of targeting ABCB5 to improve current GBM therapies.
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Affiliation(s)
- Catherine A A Lee
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - Pallavi Banerjee
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, Massachusetts 02132
| | - Brian J Wilson
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts 02138
| | - Siyuan Wu
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - Qin Guo
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, Massachusetts 02132
| | - Gretchen Berg
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, Massachusetts 02132
| | - Svetlana Karpova
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, Massachusetts 02132
| | - Ananda Mishra
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - John W Lian
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - Johnathan Tran
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - Max Emmerich
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - George F Murphy
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts 02138
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
| | - Markus H Frank
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts 02138
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- School of Medical and Health Sciences, Edith Cowan University, Perth, Western Australia 6027, Australia
| | - Natasha Y Frank
- Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02115
- Department of Medicine, Veterans Affairs Boston Healthcare System, Boston, Massachusetts 02132
- Harvard Stem Cell Institute, Harvard University, Cambridge, Massachusetts 02138
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Cold atmospheric plasma and silymarin nanoemulsion synergistically inhibits human melanoma tumorigenesis via targeting HGF/c-MET downstream pathway. Cell Commun Signal 2019; 17:52. [PMID: 31126298 PMCID: PMC6534917 DOI: 10.1186/s12964-019-0360-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 05/01/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Recent studies claimed the important role of cold atmospheric plasma (CAP) with nanotechnology in cancer treatments. In this study, silymarin nanoemulsion (SN) was used along with air CAP as therapeutic agent to counter human melanoma. METHODS In this study, we examined the combined treatment of CAP and SN on G-361 human melanoma cells by evaluating cellular toxicity levels, reactive oxygen and nitrogen species (RONS) levels, DNA damage, melanoma-specific markers, apoptosis, caspases and poly ADP-ribose polymerase-1 (PARP-1) levels using flow cytometer. Dual-treatment effects on the epithelial-mesenchymal transition (EMT), Hepatocyte growth factor (HGF/c-MET) pathway, sphere formation and the reversal of EMT were also assessed using western blotting and microscopy respectively. SN and plasma-activated medium (PAM) were applied on tumor growth and body weight and melanoma-specific markers and the mesenchymal markers in the tumor xenograft nude mice model were checked. RESULTS Co-treatment of SN and air CAP increased the cellular toxicity in a time-dependent manner and shows maximum toxicity at 200 nM in 24 h. Intracellular RONS showed significant generation of ROS (< 3 times) and RNS (< 2.5 times) in dual-treated samples compared to control. DNA damage studies were assessed by estimating the level of γ-H2AX (1.8 times), PD-1 (> 2 times) and DNMT and showed damage in G-361 cells. Increase in Caspase 8,9,3/7 (> 1.5 times), PARP level (2.5 times) and apoptotic genes level were also observed in dual treated group and hence blocking HGF/c-MET pathway. Decrease in EMT markers (E-cadherin, YKL-40, N-cadherin, SNAI1) were seen with simultaneously decline in melanoma cells (BRAF, NAMPT) and stem cells (CD133, ABCB5) markers. In vivo results showed significant reduction in SN with PAM with reduction in tumor weight and size. CONCLUSIONS The use of air CAP using μ-DBD and the SN can minimize the malignancy effects of melanoma cells by describing HGF/c-MET molecular mechanism of acting on G-361 human melanoma cells and in mice xenografts, possibly leading to suitable targets for innovative anti-melanoma approaches in the future.
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6
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Singh AK, Sharma N, Ghosh M, Park YH, Jeong DK. Emerging importance of dietary phytochemicals in fight against cancer: Role in targeting cancer stem cells. Crit Rev Food Sci Nutr 2017; 57:3449-3463. [DOI: 10.1080/10408398.2015.1129310] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Amit Kumar Singh
- Laboratory of Animal Genetic Engineering and Stem Cell Biology, Department of Animal Biotechnology, Faculty of Biotechnology, Jeju National University, Jeju, Republic of Korea
| | - Neelesh Sharma
- Division of Veterinary Medicine, Faculty of Veterinary Science and Animal Husbandry, Sher-e-Kashmir University of Agricultural Sciences and Technology, R. S. Pura, Jammu, India
| | - Mrinmoy Ghosh
- Laboratory of Animal Genetic Engineering and Stem Cell Biology, Department of Animal Biotechnology, Faculty of Biotechnology, Jeju National University, Jeju, Republic of Korea
| | | | - Dong Kee Jeong
- Laboratory of Animal Genetic Engineering and Stem Cell Biology, Department of Animal Biotechnology, Faculty of Biotechnology, Jeju National University, Jeju, Republic of Korea
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Abstract
The link between inflammation, immunity and cancer is well established. In the last decade, there has been considerable excitement over cancer stem cells, believed to be a subset of tumour cells responsible for their initiation, propagation and resistance to conventional chemoradiotherapy. In this review, we discuss the characterization of cancer stem cells and describe their modulation by inflammation with a focus on melanoma.
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Kleffel S, Lee N, Lezcano C, Wilson BJ, Sobolewski K, Saab KR, Mueller H, Zhan Q, Posch C, Elco CP, DoRosario A, Garcia SS, Thakuria M, Wang YE, Wang LC, Murphy GF, Frank MH, Schatton T. ABCB5-Targeted Chemoresistance Reversal Inhibits Merkel Cell Carcinoma Growth. J Invest Dermatol 2016; 136:838-846. [PMID: 26827764 DOI: 10.1016/j.jid.2015.12.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 12/09/2015] [Accepted: 12/28/2015] [Indexed: 10/22/2022]
Abstract
Merkel cell carcinoma (MCC) is a highly aggressive neuroendocrine skin cancer with profound but poorly understood resistance to chemotherapy, which poses a significant barrier to clinical MCC treatment. Here we show that ATP-binding cassette member B5 (ABCB5) confers resistance to standard-of-care MCC chemotherapeutic agents and provide proof-of-principle that ABCB5 blockade can inhibit human MCC tumor growth through sensitization to drug-induced cell cytotoxicity. ABCB5 expression was detected in both established MCC lines and clinical MCC specimens at levels significantly higher than those in normal skin. Carboplatin- and etoposide-resistant MCC cell lines exhibited increased expression of ABCB5, along with enhanced ABCB1 and ABCC3 transcript expression. ABCB5-expressing MCC cells in heterogeneous cancers preferentially survived treatment with carboplatin and etoposide in vitro and in human MCC xenograft-bearing mice in vivo. Moreover, patients with MCC also exhibited enhanced ABCB5 positivity after carboplatin- and etoposide-based chemotherapy, pointing to clinical significance of this chemoresistance mechanism. Importantly, ABCB5 blockade reversed MCC drug resistance and impaired tumor growth in xenotransplantation models in vivo. Our results establish ABCB5 as a chemoresistance mechanism in MCC and suggest utility of this molecular target for improved MCC therapy.
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Affiliation(s)
- Sonja Kleffel
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Nayoung Lee
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Cecilia Lezcano
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Brian J Wilson
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Kristine Sobolewski
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Karim R Saab
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Hansgeorg Mueller
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Qian Zhan
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Christian Posch
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Christopher P Elco
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Andrew DoRosario
- Dana Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Sarah S Garcia
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Dana Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Manisha Thakuria
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Dana Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Yaoyu E Wang
- Center for Cancer Computational Biology, Dana Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Linda C Wang
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Dana Farber/Brigham and Women's Cancer Center, Harvard Medical School, Boston, Massachusetts, USA
| | - George F Murphy
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Markus H Frank
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA; School of Medical Sciences, Edith Cowan University, Joondalup, WA, Australia.
| | - Tobias Schatton
- Harvard Skin Disease Research Center, Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA; Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
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Shen H, Shi S, Zhang Z, Gong T, Sun X. Coating Solid Lipid Nanoparticles with Hyaluronic Acid Enhances Antitumor Activity against Melanoma Stem-like Cells. Theranostics 2015; 5:755-71. [PMID: 25897340 PMCID: PMC4402499 DOI: 10.7150/thno.10804] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 02/17/2015] [Indexed: 01/05/2023] Open
Abstract
Successful anticancer chemotherapy requires targeting tumors efficiently and further potential to eliminate cancer stem cell (CSC) subpopulations. Since CD44 is present on many types of CSCs, and it binds specially to hyaluronic acid (HA), we tested whether coating solid lipid nanoparticles with hyaluronan (HA-SLNs)would allow targeted delivery of paclitaxel (PTX) to CD44-overexpressing B16F10 melanoma cells. First, we developed a model system based on melanoma stem-like cells for experiments in vitro and in mouse xenografts, and we showed that cells expressing high levels of CD44 (CD44+) displayed a strong CSC phenotype while cells expressing low levels of CD44 (CD44-) did not. This phenotype included sphere and colony formation, higher proportion of side population cells, expression of CSC-related markers (ALDH, CD133, Oct-4) and tumorigenicity in vivo. Next we showed that administering PTX-loaded HA-SLNs led to efficient intracellular delivery of PTX and induced substantial apoptosis in CD44+ cells in vitro. In the B16F10-CD44+ lung metastasis model, PTX-loaded HA-SLNs targeted the tumor-bearing lung tissues well and subsequently exhibited significant antitumor effects with a relative low dose of PTX, which provided significant survival benefit without evidence of adverse events. These findings suggest that the HA-SLNs targeting system shows promise for enhancing cancer therapy.
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Wilson BJ, Saab KR, Ma J, Schatton T, Pütz P, Zhan Q, Murphy GF, Gasser M, Waaga-Gasser AM, Frank NY, Frank MH. ABCB5 maintains melanoma-initiating cells through a proinflammatory cytokine signaling circuit. Cancer Res 2014; 74:4196-207. [PMID: 24934811 DOI: 10.1158/0008-5472.can-14-0582] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The drug efflux transporter ABCB5 identifies cancer stem-like cells (CSC) in diverse human malignancies, where its expression is associated with clinical disease progression and tumor recurrence. ABCB5 confers therapeutic resistance, but other functions in tumorigenesis independent of drug efflux have not been described that might help explain why it is so broadly overexpressed in human cancer. Here we show that in melanoma-initiating cells, ABCB5 controls IL1β secretion, which serves to maintain slow cycling, chemoresistant cells through an IL1β/IL8/CXCR1 cytokine signaling circuit. This CSC maintenance circuit involved reciprocal paracrine interactions with ABCB5-negative cancer cell populations. ABCB5 blockade induced cellular differentiation, reversed resistance to multiple chemotherapeutic agents, and impaired tumor growth in vivo. Together, our results defined a novel function for ABCB5 in CSC maintenance and tumor growth.
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Affiliation(s)
- Brian J Wilson
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts. Department of Medicine, VA Boston Healthcare System, Boston, Massachusetts
| | - Karim R Saab
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jie Ma
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Tobias Schatton
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Pablo Pütz
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Qian Zhan
- Program in Dermatopathology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - George F Murphy
- Program in Dermatopathology, Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Martin Gasser
- Department of Surgery, University of Würzburg, Würzburg, Germany
| | | | - Natasha Y Frank
- Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts. Department of Medicine, VA Boston Healthcare System, Boston, Massachusetts. Division of Genetics, Brigham and Women's Hospital, Boston, Massachusetts
| | - Markus H Frank
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Transplant Research Program, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts.
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11
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Saeed M, Khalid H, Sugimoto Y, Efferth T. The lignan, (-)-sesamin reveals cytotoxicity toward cancer cells: pharmacogenomic determination of genes associated with sensitivity or resistance. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2014; 21:689-696. [PMID: 24556122 DOI: 10.1016/j.phymed.2014.01.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2013] [Revised: 11/29/2013] [Accepted: 01/11/2014] [Indexed: 06/03/2023]
Abstract
(-)-Sesamin is a lignan present in sesam oil and a number of medicinal plants. It exerts various pharmacological effects, such as prevention of hyperlipidemia, hypertension, and carcinogenesis. Moreover, (-)-sesamin has chemopreventive and anticancer activity in vitro and in vivo. Multidrug resistance (MDR) of tumors leads to fatal treatment outcome in many patients and novel drugs able to kill multidrug-resistant cells are urgently needed. P-glycoprotein (MDR1/ABCB1) is the best known ATP-binding cassette (ABC) drug transporter mediating MDR. ABCB5 is a close relative to ABCB1, which also mediates MDR. We found that the mRNA expressions of ABCB1 and ABCB5 were not related to the 50% inhibition concentrations (IC50) for (-)-sesamin in a panel of 55 cell lines of the National Cancer Institute, USA. Furthermore, (-)-sesamin inhibited ABCB1- or ABCB5-overexpressing cells with similar efficacy than their drug-sensitive parental counterparts. In addition to ABC transporter-mediated MDR, we attempted to identify other molecular determinants of (-)-sesamin resistance. For this reason, we performed COMPARE and hierarchical cluster analyses of the transcriptome-wide microarray-based mRNA expression of the NCI cell panel. Twenty-three genes were identified, whose mRNA expression correlated with the IC50 values for (-)-sesamin. These genes code for proteins of different biological functions, i.e. ribosomal proteins, components of the mitochondrial respiratory chain, proteins involved in RNA metabolism, protein biosynthesis, or glucose and fatty acid metabolism. Subjecting this set of genes to cluster analysis showed that the cell lines were assembled in the resulting dendrogram according to their responsiveness to (-)-sesamin. In conclusion, (-)-sesamin is not involved in MDR mediated by ABCB1 or ABCB5 and may be valuable to bypass chemoresistance of refractory tumors. The microarray expression profile, which predicted sensitivity or resistance of tumor cells to (-)-sesamin consisted of genes, which do not belong to the classical resistance mechanisms to established anticancer drugs.
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Affiliation(s)
- Mohamed Saeed
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany
| | - Hassan Khalid
- The Medicinal and Aromatic Plants Research Institute (MAPRI), National Centre for Research, Khartoum, Sudan
| | - Yoshikazu Sugimoto
- Division of Chemotherapy, Faculty of Pharmacy, Keio University, Tokyo, Japan
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Germany.
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12
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Zhao Y, Alakhova DY, Kabanov AV. Can nanomedicines kill cancer stem cells? Adv Drug Deliv Rev 2013; 65:1763-83. [PMID: 24120657 DOI: 10.1016/j.addr.2013.09.016] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 09/30/2013] [Accepted: 09/30/2013] [Indexed: 12/12/2022]
Abstract
Most tumors are heterogeneous and many cancers contain small population of highly tumorigenic and intrinsically drug resistant cancer stem cells (CSCs). Like normal stem cell, CSCs have the ability to self-renew and differentiate to other tumor cell types. They are believed to be a source for drug resistance, tumor recurrence and metastasis. CSCs often overexpress drug efflux transporters, spend most of their time in non-dividing G0 cell cycle state, and therefore, can escape the conventional chemotherapies. Thus, targeting CSCs is essential for developing novel therapies to prevent cancer relapse and emerging of drug resistance. Nanocarrier-based therapeutic agents (nanomedicines) have been used to achieve longer circulation times, better stability and bioavailability over current therapeutics. Recently, some groups have successfully applied nanomedicines to target CSCs to eliminate the tumor and prevent its recurrence. These approaches include 1) delivery of therapeutic agents (small molecules, siRNA, antibodies) that affect embryonic signaling pathways implicated in self-renewal and differentiation in CSCs, 2) inhibiting drug efflux transporters in an attempt to sensitize CSCs to therapy, 3) targeting metabolism in CSCs through nanoformulated chemicals and field-responsive magnetic nanoparticles and carbon nanotubes, and 4) disruption of multiple pathways in drug resistant cells using combination of chemotherapeutic drugs with amphiphilic Pluronic block copolymers. Despite clear progress of these studies the challenges of targeting CSCs by nanomedicines still exist and leave plenty of room for improvement and development. This review summarizes biological processes that are related to CSCs, overviews the current state of anti-CSCs therapies, and discusses state-of-the-art nanomedicine approaches developed to kill CSCs.
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Zhou W, Wang G, Guo S. Regulation of angiogenesis via Notch signaling in breast cancer and cancer stem cells. Biochim Biophys Acta Rev Cancer 2013; 1836:304-20. [PMID: 24183943 DOI: 10.1016/j.bbcan.2013.10.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Revised: 10/14/2013] [Accepted: 10/18/2013] [Indexed: 02/07/2023]
Abstract
Breast cancer angiogenesis is elicited and regulated by a number of factors including the Notch signaling. Notch receptors and ligands are expressed in breast cancer cells as well as in the stromal compartment and have been implicated in carcinogenesis. Signals exchanged between neighboring cells through the Notch pathway can amplify and consolidate molecular differences, which eventually dictate cell fates. Notch signaling and its crosstalk with many signaling pathways play an important role in breast cancer cell growth, migration, invasion, metastasis and angiogenesis, as well as cancer stem cell (CSC) self-renewal. Therefore, significant attention has been paid in recent years toward the development of clinically useful antagonists of Notch signaling. Better understanding of the structure, function and regulation of Notch intracellular signaling pathways, as well as its complex crosstalk with other oncogenic signals in breast cancer cells will be essential to ensure rational design and application of new combinatory therapeutic strategies. Novel opportunities have emerged from the discovery of Notch crosstalk with inflammatory and angiogenic cytokines and their links to CSCs. Combinatory treatments with drugs designed to prevent Notch oncogenic signal crosstalk may be advantageous over λ secretase inhibitors (GSIs) alone. In this review, we focus on the more recent advancements in our knowledge of aberrant Notch signaling contributing to breast cancer angiogenesis, as well as its crosstalk with other factors contributing to angiogenesis and CSCs.
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Affiliation(s)
- Weiqiang Zhou
- Key Laboratory of Environmental Pollution and Microecology of Liaoning Province, Shenyang Medical College, No. 146 North Huanghe St, Huanggu Dis, Shenyang City, Liaoning Pro 110034, PR China.
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Prominin-1 (CD133) and Metastatic Melanoma: Current Knowledge and Therapeutic Perspectives. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 777:197-211. [PMID: 23161084 DOI: 10.1007/978-1-4614-5894-4_13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Innovative approaches to specifically target the melanoma subpopulation responsible for local invasion and metastatic dissemination are needed. Prominin-1 (CD133) expression has been observed in many melanoma cell lines, as well as in primary and metastatic melanomas from patients. Although its function(s) in melanoma is presently unknown, prominin-1 may represent a molecular target, due to its association with melanoma stem cells and with the metastatic phenotype.
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Abstract
Osteosarcoma is a highly malignant bone tumor of children and young adults. Cytotoxic chemotherapy combined with aggressive surgery only has a 60% survival rate. Historically, chemotherapy has been developed assuming that all cells within a particular cancer are clonal and near identical. Appreciating the now apparent functional heterogeneity of osteosarcoma cells within and between individual tumors will likely be critical in developing much needed novel effective therapies. The foundation for this heterogeneity may lie in the so called "cancer stem cell" or tumorigenic cell of origin. In this brief review, we will examine the evidence for the existence of this cell and its potential importance for future therapies.
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Wilson BJ, Schatton T, Zhan Q, Gasser M, Ma J, Saab KR, Schanche R, Waaga-Gasser AM, Gold JS, Huang Q, Murphy GF, Frank MH, Frank NY. ABCB5 identifies a therapy-refractory tumor cell population in colorectal cancer patients. Cancer Res 2011; 71:5307-16. [PMID: 21652540 DOI: 10.1158/0008-5472.can-11-0221] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Identification and reversal of treatment resistance mechanisms of clinically refractory tumor cells is critical for successful cancer therapy. Here we show that ATP-binding cassette member B5 (ABCB5) identifies therapy-refractory tumor cells in colorectal cancer patients following fluorouracil (5-FU)-based chemoradiation therapy and provide evidence for a functional role of ABCB5 in colorectal cancer 5-FU resistance. Examination of human colon and colorectal cancer specimens revealed ABCB5 to be expressed only on rare cells within healthy intestinal tissue, whereas clinical colorectal cancers exhibited substantially increased levels of ABCB5 expression. Analysis of successive, patient-matched biopsy specimens obtained prior to and following neoadjuvant 5-FU-based chemoradiation therapy in a series of colorectal cancer patients revealed markedly enhanced abundance of ABCB5-positive tumor cells when residual disease was detected. Consistent with this finding, the ABCB5-expressing tumor cell population was also treatment refractory and exhibited resistance to 5-FU-induced apoptosis in a colorectal cancer xenograft model of 5-FU monotherapy. Mechanistically, short hairpin RNA-mediated ABCB5 knockdown significantly inhibited tumorigenic xenograft growth and sensitized colorectal cancer cells to 5-FU-induced cell killing. Our results identify ABCB5 as a novel molecular marker of therapy-refractory tumor cells in colorectal cancer patients and point to a need for consistent eradication of ABCB5-positive resistant tumor cell populations for more effective colorectal cancer therapy.
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Affiliation(s)
- Brian J Wilson
- Transplantation Research Center, Children's Hospital, Boston, MA, USA
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Frank NY, Schatton T, Kim S, Zhan Q, Wilson BJ, Ma J, Saab KR, Osherov V, Widlund HR, Gasser M, Waaga-Gasser AM, Kupper TS, Murphy GF, Frank MH. VEGFR-1 expressed by malignant melanoma-initiating cells is required for tumor growth. Cancer Res 2011; 71:1474-85. [PMID: 21212411 DOI: 10.1158/0008-5472.can-10-1660] [Citation(s) in RCA: 124] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Melanoma growth is driven by malignant melanoma-initiating cells (MMIC) identified by expression of the ATP-binding cassette (ABC) member ABCB5. ABCB5(+) melanoma subpopulations have been shown to overexpress the vasculogenic differentiation markers CD144 (VE-cadherin) and TIE1 and are associated with CD31(-) vasculogenic mimicry (VM), an established biomarker associated with increased patient mortality. Here we identify a critical role for VEGFR-1 signaling in ABCB5(+) MMIC-dependent VM and tumor growth. Global gene expression analyses, validated by mRNA and protein determinations, revealed preferential expression of VEGFR-1 on ABCB5(+) tumor cells purified from clinical melanomas and established melanoma lines. In vitro, VEGF induced the expression of CD144 in ABCB5(+) subpopulations that constitutively expressed VEGFR-1 but not in ABCB5(-) bulk populations that were predominantly VEGFR-1(-). In vivo, melanoma-specific shRNA-mediated knockdown of VEGFR-1 blocked the development of ABCB5(+) VM morphology and inhibited ABCB5(+) VM-associated production of the secreted melanoma mitogen laminin. Moreover, melanoma-specific VEGFR-1 knockdown markedly inhibited tumor growth (by > 90%). Our results show that VEGFR-1 function in MMIC regulates VM and associated laminin production and show that this function represents one mechanism through which MMICs promote tumor growth.
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Affiliation(s)
- Natasha Y Frank
- Division of Genetics, Brigham and Women's Hospital, Boston, Massachusetts, USA
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Ma J, Lin JY, Alloo A, Wilson BJ, Schatton T, Zhan Q, Murphy GF, Waaga-Gasser AM, Gasser M, Stephen Hodi F, Frank NY, Frank MH. Isolation of tumorigenic circulating melanoma cells. Biochem Biophys Res Commun 2010; 402:711-7. [PMID: 20977885 DOI: 10.1016/j.bbrc.2010.10.091] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Accepted: 10/19/2010] [Indexed: 12/19/2022]
Abstract
Circulating tumor cells (CTC) have been identified in several human malignancies, including malignant melanoma. However, whether melanoma CTC are tumorigenic and cause metastatic progression is currently unknown. Here, we isolate for the first time viable tumorigenic melanoma CTC and demonstrate that this cell population is capable of metastasis formation in human-to-mouse xenotransplantation experiments. The presence of CTC among peripheral blood mononuclear cells (PBMC) of murine recipients of subcutaneous (s.c.) human melanoma xenografts could be detected based on mRNA expression for human GAPDH and/or ATP-binding cassette subfamily B member 5 (ABCB5), a marker of malignant melanoma-initiating cells previously shown to be associated with metastatic disease progression in human patients. ABCB5 expression could also be detected in PBMC preparations from human stage IV melanoma patients but not healthy controls. The detection of melanoma CTC in human-to-mouse s.c. tumor xenotransplantation models correlated significantly with pulmonary metastasis formation. Moreover, prospectively isolated CTC from murine recipients of s.c. melanoma xenografts were capable of primary tumor initiation and caused metastasis formation upon xenotransplantation to secondary murine NOD-scid IL2Rγ(null) recipients. Our results provide initial evidence that melanoma CTC are tumorigenic and demonstrate that CTC are capable of causing metastatic tumor progression. These findings suggest a need for CTC eradication to inhibit metastatic progression and provide a rationale for assessment of therapeutic responses of this tumorigenic cell population to promising emerging melanoma treatment modalities.
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Affiliation(s)
- Jie Ma
- Transplantation Research Center, Children's Hospital Boston, Harvard Medical School, Boston, MA 02115, USA
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