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Okada S, Muraoka D, Yasui K, Tawara I, Kawamura A, Okamoto S, Mineno J, Seo N, Shiku H, Eguchi S, Ikeda H. T cell receptor gene-modified allogeneic T cells with siRNA for endogenous T cell receptor induce efficient tumor regression without graft-versus-host disease. Cancer Sci 2023; 114:4172-4183. [PMID: 37675556 PMCID: PMC10637063 DOI: 10.1111/cas.15954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/04/2023] [Accepted: 08/23/2023] [Indexed: 09/08/2023] Open
Abstract
Adoptive immunotherapy using genetically engineered patient-derived lymphocytes to express tumor-reactive receptors is a promising treatment for malignancy. However, utilization of autologous T cells in this therapy limits the quality of gene-engineered T cells, thereby inhibiting the timely infusion of the cells into patients. In this study, we evaluated the anti-tumor efficacy and the potential to induce graft-versus-host disease (GVHD) in T cell receptor (TCR) gene-engineered allogeneic T cells that downregulate the endogenous TCR and HLA class I molecules with the aim of developing an "off-the-shelf" cell product with expanded application of genetically engineered T cells. We transduced human lymphocytes with a high-affinity TCR specific to the cancer/testis antigen NY-ESO-1 using a novel retrovirus vector with siRNAs specific to the endogenous TCR (siTCR vector). These T cells showed reduced expression of endogenous TCR and minimized reactivity to allogeneic cells in vitro. In non-obese diabetic/SCID/γcnull mice, TCR gene-transduced T cells induced tumor regression without development of GVHD. A lentivirus-based CRISPR/Cas9 system targeting β-2 microglobulin in TCR gene-modified T cells silenced the HLA class I expression and prevented allogeneic CD8+ T cell stimulation without disrupting their anti-tumor capacity. This report is the first demonstration that siTCR technology is effective in preventing GVHD. Adoptive cell therapy with allogeneic T cells engineered with siTCR vector may be useful in developing an "off-the-shelf" therapy for patients with malignancy.
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Affiliation(s)
- Satomi Okada
- Department of OncologyNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
- Department of SurgeryNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
| | - Daisuke Muraoka
- Department of OncologyNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
- Division of Translational OncoimmunologyAichi Cancer Center Research InstituteNagoyaJapan
| | - Kiyoshi Yasui
- Department of OncologyNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
| | - Isao Tawara
- Department of Hematology and OncologyMie University Graduate School of MedicineMieJapan
| | | | | | | | - Naohiro Seo
- Department of Personalized Cancer ImmunotherapyMie University Graduate School of MedicineMieJapan
- Department of Bioengineering, School of EngineeringThe University of TokyoTokyoJapan
| | - Hiroshi Shiku
- Department of Personalized Cancer ImmunotherapyMie University Graduate School of MedicineMieJapan
| | - Susumu Eguchi
- Department of SurgeryNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
| | - Hiroaki Ikeda
- Department of OncologyNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
- Leading Medical Research Core UnitNagasaki University Graduate School of Biomedical SciencesNagasakiJapan
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2
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Zhou H, Ma Y, Liu F, Li B, Qiao D, Ren P, Wang M. Current advances in cancer vaccines targeting NY-ESO-1 for solid cancer treatment. Front Immunol 2023; 14:1255799. [PMID: 37731507 PMCID: PMC10508181 DOI: 10.3389/fimmu.2023.1255799] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 08/22/2023] [Indexed: 09/22/2023] Open
Abstract
New York-esophageal cancer 1 (NY-ESO-1) belongs to the cancer testis antigen (CTA) family, and has been identified as one of the most immunogenic tumor-associated antigens (TAAs) among the family members. Given its ability to trigger spontaneous humoral and cellular immune response and restricted expression, NY-ESO-1 has emerged as one of the most promising targets for cancer immunotherapy. Cancer vaccines, an important element of cancer immunotherapy, function by presenting an exogenous source of TAA proteins, peptides, and antigenic epitopes to CD4+ T cells via major histocompatibility complex class II (MHC-II) and to CD8+ T cells via major histocompatibility complex class I (MHC-I). These mechanisms further enhance the immune response against TAAs mediated by cytotoxic T lymphocytes (CTLs) and helper T cells. NY-ESO-1-based cancer vaccines have a history of nearly two decades, starting from the first clinical trial conducted in 2003. The current cancer vaccines targeting NY-ESO-1 have various types, including Dendritic cells (DC)-based vaccines, peptide vaccines, protein vaccines, viral vaccines, bacterial vaccines, therapeutic whole-tumor cell vaccines, DNA vaccines and mRNA vaccines, which exhibit their respective benefits and obstacles in the development and application. Here, we summarized the current advances in cancer vaccines targeting NY-ESO-1 for solid cancer treatment, aiming to provide perspectives for future research.
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Affiliation(s)
- Hong Zhou
- Center for Energy Metabolism and Reproduction, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Department of Research and Development, Shenzhen Innovation Immunotechnology Co., Ltd, Shenzhen, China
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Yipeng Ma
- Department of Research and Development, Shenzhen Innovation Immunotechnology Co., Ltd, Shenzhen, China
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Fenglan Liu
- Department of Research and Development, Shenzhen Innovation Immunotechnology Co., Ltd, Shenzhen, China
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Bin Li
- Department of Research and Development, Shenzhen Innovation Immunotechnology Co., Ltd, Shenzhen, China
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Dongjuan Qiao
- Department of Research and Development, Shenzhen Innovation Immunotechnology Co., Ltd, Shenzhen, China
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Peigen Ren
- Center for Energy Metabolism and Reproduction, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Mingjun Wang
- Department of Research and Development, Shenzhen Innovation Immunotechnology Co., Ltd, Shenzhen, China
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
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3
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Li X, Jiang S, Jiang T, Sun X, Guan Y, Fan S, Cheng Y. LEM Domain Containing 1 Acts as a Novel Oncogene and Therapeutic Target for Triple-Negative Breast Cancer. Cancers (Basel) 2023; 15:cancers15112924. [PMID: 37296887 DOI: 10.3390/cancers15112924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Breast cancer is the most common deadly malignancy in women worldwide. In particular, triple-negative breast cancer (TNBC) exhibits the worst prognosis among four subtypes of breast cancer due to limited treatment options. Exploring novel therapeutic targets holds promise for developing effective treatments for TNBC. Here, we demonstrated for the first time that LEMD1 (LEM domain containing 1) is highly expressed in TNBC and contributes to reduced survival in TNBC patients, through analysis of both bioinformatic databases and collected patient samples. Furthermore, LEMD1 silencing not only inhibited the proliferation and migration of TNBC cells in vitro, but also abolished tumor formation of TNBC cells in vivo. Knockdown of LEMD1 enhanced the sensitivity of TNBC cells to paclitaxel. Mechanistically, LEMD1 promoted the progress of TNBC by activating the ERK signaling pathway. In summary, our study revealed that LEMD1 may act as a novel oncogene in TNBC, and targeting LEMD1 may be exploited as a promising therapeutic approach to enhance the efficacy of chemotherapy against TNBC.
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Affiliation(s)
- Xiangling Li
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Hunan Provincial Engineering Research Centre of Translational Medicine and Innovative Drug, Changsha 410011, China
| | - Shilong Jiang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Ting Jiang
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Xinyuan Sun
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yidi Guan
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Songqing Fan
- Department of Pathology, The Second Xiangya Hospital, Central South University, Changsha 410011, China
| | - Yan Cheng
- Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha 410011, China
- Hunan Provincial Engineering Research Centre of Translational Medicine and Innovative Drug, Changsha 410011, China
- Key Laboratory of Diabetes Immunology, Central South University, Ministry of Education, Changsha 410011, China
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Seong G, D’Angelo SP. New therapeutics for soft tissue sarcomas: Overview of current immunotherapy and future directions of soft tissue sarcomas. Front Oncol 2023; 13:1150765. [PMID: 37007160 PMCID: PMC10052453 DOI: 10.3389/fonc.2023.1150765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 02/27/2023] [Indexed: 03/16/2023] Open
Abstract
Soft tissue sarcoma is a rare and aggressive disease with a 40 to 50% metastasis rate. The limited efficacy of traditional approaches with surgery, radiation, and chemotherapy has prompted research in novel immunotherapy for soft tissue sarcoma. Immune checkpoint inhibitors such as anti-CTLA-4 and PD-1 therapies in STS have demonstrated histologic-specific responses. Some combinations of immunotherapy with chemotherapy, TKI, and radiation were effective. STS is considered a ‘cold’, non-inflamed tumor. Adoptive cell therapies are actively investigated in STS to enhance immune response. Genetically modified T-cell receptor therapy targeting cancer testis antigens such as NY-ESO-1 and MAGE-A4 demonstrated durable responses, especially in synovial sarcoma. Two early HER2-CAR T-cell trials have achieved stable disease in some patients. In the future, CAR-T cell therapies will find more specific targets in STS with a reliable response. Early recognition of T-cell induced cytokine release syndrome is crucial, which can be alleviated by immunosuppression such as steroids. Further understanding of the immune subtypes and biomarkers will promote the advancement of soft tissue sarcoma treatment.
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Affiliation(s)
- Gyuhee Seong
- Department of Medicine, SUNY Downstate Health Sciences University, Brooklyn, NY, United States
| | - Sandra P. D’Angelo
- Department of Medicine, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, NY, United States
- *Correspondence: Sandra P. D’Angelo,
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Moreno Tellez C, Leyfman Y, D'Angelo SP, Wilky BA, Dufresne A. Immunotherapy in Sarcoma: Where Do Things Stand? Surg Oncol Clin N Am 2022; 31:381-397. [PMID: 35715140 DOI: 10.1016/j.soc.2022.03.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Early experiences with modern immunotherapy have been disappointing in trials of unselected sarcoma subtypes. However, remarkable efficacy has been observed with immune checkpoint inhibitors (ICIs) in a subset of patients, with the most promising outcomes to date in alveolar soft part sarcoma, cutaneous angiosarcoma, undifferentiated pleomorphic sarcoma (UPS), and dedifferentiated liposarcoma (dLPS). Adoptive cellular therapies targeting cancer testis antigens have shown promising activity, but only synovial sarcoma (SS) and myxoid/round cell liposarcomas reliably express these targets. The majority of sarcomas are immunologically "cold" with sparse immune infiltration, which may explain the poor response to immunotherapy. Current immunotherapy trials for sarcomas explore combination therapies with checkpoint inhibitors to overcome immune evasion and novel targets in adoptive cellular therapies. The role of tertiary lymphoid structures, PD-L1 expression, tumor mutational burden, microsatellite instability, and tumor lymphocytes as biomarkers for response are areas of active investigation. In this review, we highlight prior and ongoing clinical efforts to improve outcomes with immunotherapy and discuss the current state of understanding for biomarkers to select patients most likely to benefit from this approach.
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Affiliation(s)
- Cristiam Moreno Tellez
- Department of Medicine, University of Colorado School of Medicine, 12801 E 17th Avenue, Mailstop 8117, Aurora, CO 80045, USA
| | - Yan Leyfman
- Department of Hematology Oncology, Icahn School of Medicine at Mount Sinai, 1468 Madison Avenue, New York, NY 10029, USA
| | - Sandra P D'Angelo
- Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, 300 East 66th Street, New York, NY 10065, USA
| | - Breelyn A Wilky
- Department of Medicine, University of Colorado School of Medicine, 12801 E 17th Avenue, Mailstop 8117, Aurora, CO 80045, USA.
| | - Armelle Dufresne
- Department of Medical Oncology, Centre Leon Berard, 28 rue Laennec, Lyon 69008, France
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Hindi N, Haas RL. Management of Synovial Sarcoma and Myxoid Liposarcoma. Surg Oncol Clin N Am 2022; 31:547-558. [PMID: 35715149 DOI: 10.1016/j.soc.2022.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Synovial sarcoma and myxoid liposarcoma are translocation-related sarcomas, with a high risk of developing distant metastasis, which often affect young patients and which are sensitive to chemo and radiotherapy. Surgery is the mainstay of therapy in localized disease. In these entities, perioperative radiotherapy is frequently administered, and chemotherapy is evaluated in patients with high-risk limb/trunk wall tumors in which an advantage in overall survival has been shown in the latest clinical trials. In the advanced setting, new strategies, such as cellular therapy are being developed in these histologic types, with promising, although still preliminary, results.
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Affiliation(s)
- Nadia Hindi
- Department of Oncology, Fundación Jimenez Diaz University Hospital and Hospital General de Villalba, Madrid, Spain; Health Research Institute Fundación Jimenez Diaz, Universidad Autonoma de Madrid (IIS-FJD, UAM), Madrid, Spain.
| | - Rick L Haas
- Department of Radiotherapy at the Netherlands Cancer Institute, Amsterdam, the Netherlands; Department of Radiotherapy at the Leiden University Medical Center, Leiden, the Netherlands
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Wang C, Fan Y, Wei J, Xu Q, Ru G, Zhao M. Angiofibroma of Soft Tissue: A Clinicopathological Study of Eight Cases With Emphasis on the Diagnostic Utility of Fluorescence In Situ Hybridization Detection for NCOA2 Rearrangement. Front Oncol 2022; 12:900411. [PMID: 35832542 PMCID: PMC9271777 DOI: 10.3389/fonc.2022.900411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 05/25/2022] [Indexed: 11/29/2022] Open
Abstract
Background Angiofibroma of soft tissue (AFST) is a rare mesenchymal neoplasm of fibroblastic differentiation. Due to its diverse morphology and the lack of specific immunohistochemistry (IHC) markers, AFST could elicit a broad range of differential diagnosis. Several studies have disclosed in AFST recurrent gene fusions involving NCOA2, mainly AHRR–NCOA2 fusion, providing a useful approach to diagnosing this lesion. We report eight additional cases of this rare entity with emphasis on the diagnostic utility of fluorescence in situ hybridization (FISH) detection for NCOA2 rearrangement. Methods Clinicopathological data for eight AFSTs were retrieved. IHC was performed, and FISH was used to detect rearrangements involving NCOA2, DDIT3, and FUS loci. Results There were five female and three male patients, ranging in age from 29 to 69 years (median: 55 years). The patients presented mostly with a slow-growing mass in the extremities, with or without intermittent pain. All tumors were located in the lower extremities with three (27.5%) involving or adjacent to the knee joints. Tumor size ranged from 1.5 to 3.8 cm (median: 3.0 cm). Morphologically, the tumors consisted of a proliferation of uniform, bland spindle cells set in alternating myxoid and collagenous stroma with a prominent vascular network composed of countless small, branching, thin-walled blood vessels. Foci of “chicken wire”-like capillaries and medium- to large-sized blood vessels with prominent staghorn morphology were evident in two and four cases, respectively. In addition, sheets of small round cells and foci of cystic changes were observed in one each case. Degenerative nuclear atypia was identified in three cases, while mitosis and tumor necrosis were absent. By IHC, the stromal cells were variably positive for epithelial membrane antigen, desmin, and CD68. By FISH analysis, seven out of eight cases (87.5%) showed NCOA2 rearrangement, and the remaining one had increased gene copy numbers of intact NCOA2; rearrangements involving FUS (0/4) and DDIT3 (0/3) were not identified in the cases analyzed. All tumors were surgically removed, and none had recurrence at follow-up from 5 to 73 months. Conclusions FISH analysis for NCOA2 rearrangement represents a practical method for confirming the diagnosis of AFST on the basis of appropriate histomorphological backgrounds.
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Affiliation(s)
- Canming Wang
- Department of Pathology, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Basic Medicine and Cancer, Chinese Academy of Sciences, Hangzhou, China
| | - Yuqian Fan
- Cancer Center, Department of Pathology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, China
| | - Jianguo Wei
- Department of Pathology, Shaoxing People’s Hospital, Shaoxing, China
| | - Qiujie Xu
- Department of Pathology, Tongxiang Second People’s Hospital, Jiaxing, China
| | - Guoqing Ru
- Cancer Center, Department of Pathology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, China
| | - Ming Zhao
- Cancer Center, Department of Pathology, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital of Hangzhou Medical College, Hangzhou, China
- *Correspondence: Ming Zhao,
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8
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HDAC Inhibition for Optimized Cellular Immunotherapy of NY-ESO-1-Positive Soft Tissue Sarcoma. Biomedicines 2022; 10:biomedicines10020373. [PMID: 35203582 PMCID: PMC8962361 DOI: 10.3390/biomedicines10020373] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/01/2022] [Accepted: 02/01/2022] [Indexed: 12/10/2022] Open
Abstract
Adoptive cell therapy with NY-ESO-1-specific T cells is a promising option for the treatment of soft tissue sarcoma (STS) but achieves only transient tumor control in the majority of cases. A strategy to optimize this cell therapeutic approach might be the modulation of the expression of the cancer-testis antigen NY-ESO-1 using histone deacetylase inhibitors (HDACis). In this study, the ex vivo effect of combining NY-ESO-1-specific T cells with the clinically approved pan HDACis panobinostat or vorionstat was investigated. Our data demonstrated that STS cells were sensitive to HDACis. Administration of HDACi prior to NY-ESO-1-specific T cells exerted enhanced lysis against the NY-ESO-1+ STS cell line SW982. This correlated with an increase in the NY-ESO-1 and HLA-ABC expression of SW982 cells, as well as increased CD25 expression on NY-ESO-1-specific T cells. Furthermore, the immune reactivity of NY-ESO-1-specific CD8+ T cells in terms of cytokine release was enhanced by HDACis. In summary, pretreatment with HDACis represents a potential means of enhancing the cytotoxic efficacy of NY-ESO-1-specific T cells against NY-ESO-1-positive STS.
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Abdelaziz MM, Tayel HY, Abdel-Bary A, Badawy OM. Expression of CTAG1B clone EPR13780 versus DDIT3 gene rearrangement distinguishes myxoid liposarcoma from its mimics with detection of novel DDIT3 gene copy number variations. J Histotechnol 2021; 45:56-65. [PMID: 34845972 DOI: 10.1080/01478885.2021.2004294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Myxoid liposarcoma (MLPS) has different patterns that are often difficult to distinguish from other soft tissue lesions. MLPS is characterized by a reciprocal translocation involving the DNA Damage Inducible Transcript 3 gene (DDIT3) that can be detected using fluorescent in situ hybridization (FISH). Recently, the marker for cancer testis antigen 1b (CTAG1B) was found to be expressed in MLPS. The aim of the present study was to assess the potential use immunohistochemistry (IHC) for CTAG1B expression and DDIT3 rearrangement to diagnose MLPS and distinguish it from similar lesions. Out of 29 cases including MLPS and its mimics, CTAG1B was expressed in 92.86% of cases of MLPS and 20% of its mimics. DDIT3 rearrangement was 100% sensitive and 92.86% specific in distinguishing MLPS from its mimics. The DDIT3 rearrangement was found to be more sensitive but less specific than cytoplasmic expression of CTAG1B marker. DDIT3 polysomy and amplification were detected in some cases. Therefore, both CTAG1B expression and FISH for DDIT3 gene can be used to distinguish MLPS from similar tumors. The use of both immunohistochemistry for CTAG1B in addition to DDIT3 gene rearrangement detection by FISH was more specific than using either of them alone. However, the DDIT3 gene rearrangement alone was the most sensitive test for distinguishing MLPS from its mimics.
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Affiliation(s)
- Marwa M Abdelaziz
- Department of Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Hanan Y Tayel
- Department of Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Amany Abdel-Bary
- Department of Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Omnia M Badawy
- Department of Pathology, National Cancer Institute, Cairo University, Cairo, Egypt
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Crosstalk between Macrophages and Myxoid Liposarcoma Cells Increases Spreading and Invasiveness of Tumor Cells. Cancers (Basel) 2021; 13:cancers13133298. [PMID: 34209309 PMCID: PMC8268435 DOI: 10.3390/cancers13133298] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 06/24/2021] [Accepted: 06/26/2021] [Indexed: 12/28/2022] Open
Abstract
Myxoid liposarcoma (MLPS) is the second most common subtype of liposarcoma and has tendency to metastasize to soft tissues. To date, the mechanisms of invasion and metastasis of MLPS remain unclear, and new therapeutic strategies that improve patients' outcomes are expected. In this study, we analyzed by immunohistochemistry the immune cellular components and microvessel density in tumor tissues from patients affected by MLPS. In order to evaluate the effects of primary human MLPS cells on macrophage polarization and, in turn, the ability of macrophages to influence invasiveness of MLPS cells, non-contact and 3D organotypic co-cultures were set up. High grade MLPS tissues were found heavily vascularized, exhibited a CD3, CD4, and CD8 positive T lymphocyte-poor phenotype and were massively infiltrated by CD163 positive M2-like macrophages. Conversely, low grade MLPS tissues were infiltrated by a discrete amount of CD3, CD4, and CD8 positive T lymphocytes and a scarce amount of CD163 positive macrophages. Kaplan-Meier analysis revealed a shorter Progression Free Survival in MLPS patients whose tumor tissues were highly vascularized and heavily infiltrated by CD163 positive macrophages, indicating a clear-cut link between M2-like macrophage abundance and poor prognosis in patients. Moreover, we documented that, in co-culture, soluble factors produced by primary human MLPS cells induce macrophage polarization toward an M2-like phenotype which, in turn, increases MLPS cell capability to spread into extracellular matrix and to cross endothelial monolayers. The identification of M2-like polarization factors secreted by MLPS cells may allow to develop novel targeted therapies counteracting MLPS progression.
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Tay BQ, Wright Q, Ladwa R, Perry C, Leggatt G, Simpson F, Wells JW, Panizza BJ, Frazer IH, Cruz JLG. Evolution of Cancer Vaccines-Challenges, Achievements, and Future Directions. Vaccines (Basel) 2021; 9:vaccines9050535. [PMID: 34065557 PMCID: PMC8160852 DOI: 10.3390/vaccines9050535] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/14/2021] [Accepted: 05/15/2021] [Indexed: 02/06/2023] Open
Abstract
The development of cancer vaccines has been intensively pursued over the past 50 years with modest success. However, recent advancements in the fields of genetics, molecular biology, biochemistry, and immunology have renewed interest in these immunotherapies and allowed the development of promising cancer vaccine candidates. Numerous clinical trials testing the response evoked by tumour antigens, differing in origin and nature, have shed light on the desirable target characteristics capable of inducing strong tumour-specific non-toxic responses with increased potential to bring clinical benefit to patients. Novel delivery methods, ranging from a patient’s autologous dendritic cells to liposome nanoparticles, have exponentially increased the abundance and exposure of the antigenic payloads. Furthermore, growing knowledge of the mechanisms by which tumours evade the immune response has led to new approaches to reverse these roadblocks and to re-invigorate previously suppressed anti-tumour surveillance. The use of new drugs in combination with antigen-based therapies is highly targeted and may represent the future of cancer vaccines. In this review, we address the main antigens and delivery methods used to develop cancer vaccines, their clinical outcomes, and the new directions that the vaccine immunotherapy field is taking.
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Affiliation(s)
- Ban Qi Tay
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
| | - Quentin Wright
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
| | - Rahul Ladwa
- Department of Medical Oncology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia;
- Faculty of Medicine, University of Queensland, Woolloongabba, QLD 4102, Australia; (C.P.); (B.J.P.)
| | - Christopher Perry
- Faculty of Medicine, University of Queensland, Woolloongabba, QLD 4102, Australia; (C.P.); (B.J.P.)
- Department of Otolaryngology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia
| | - Graham Leggatt
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
| | - Fiona Simpson
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
| | - James W. Wells
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
| | - Benedict J. Panizza
- Faculty of Medicine, University of Queensland, Woolloongabba, QLD 4102, Australia; (C.P.); (B.J.P.)
- Department of Otolaryngology, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia
| | - Ian H. Frazer
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
| | - Jazmina L. G. Cruz
- Faculty of Medicine, Diamantina Institute, University of Queensland, Brisbane, QLD 4102, Australia; (B.Q.T.); (Q.W.); (G.L.); (F.S.); (J.W.W.); (I.H.F.)
- Correspondence: ; Tel.: +61-0478912737
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Chamberlain F, Benson C, Thway K, Huang P, Jones RL, Gennatas S. Pharmacotherapy for liposarcoma: current and emerging synthetic treatments. Future Oncol 2021; 17:2659-2670. [PMID: 33880964 DOI: 10.2217/fon-2020-1092] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Liposarcomas are rare tumors arising from adipocytic tissue and accounting for approximately 15-20% of all soft tissue sarcomas. Liposarcoma can be further classified into histopathological subtypes with variable chemosensitivity according to subtype. Decisions regarding management should be made on an individual basis, but surgery for localized disease and systemic chemotherapy remain the mainstay of treatment. Currently, only doxorubicin and trabectedin have robust Phase III data to support their use in the management of advanced liposarcoma. However, in the subgroup analysis of a Phase III trial comparing eribulin with dacarbazine, there was a greater than 7-month improvement in median overall survival in those treated with eribulin. There are also promising results from emerging studies in novel and targeted agents for the treatment of liposarcoma.
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Affiliation(s)
| | | | - Khin Thway
- The Royal Marsden NHS Foundation Trust, London, SW3 6JJ, UK
| | - Paul Huang
- Institute of Cancer Research, London, SW7 3RP, UK
| | - Robin L Jones
- The Royal Marsden NHS Foundation Trust, London, SW3 6JJ, UK.,Institute of Cancer Research, London, SW7 3RP, UK
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13
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Cancer Vaccines: Antigen Selection Strategy. Vaccines (Basel) 2021; 9:vaccines9020085. [PMID: 33503926 PMCID: PMC7911511 DOI: 10.3390/vaccines9020085] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 02/06/2023] Open
Abstract
Unlike traditional cancer therapies, cancer vaccines (CVs) harness a high specificity of the host’s immunity to kill tumor cells. CVs can train and bolster the patient’s immune system to recognize and eliminate malignant cells by enhancing immune cells’ identification of antigens expressed on cancer cells. Various features of antigens like immunogenicity and avidity influence the efficacy of CVs. Therefore, the choice and application of antigens play a critical role in establishing and developing CVs. Tumor-associated antigens (TAAs), a group of proteins expressed at elevated levels in tumor cells but lower levels in healthy normal cells, have been well-studied and developed in CVs. However, immunological tolerance, HLA restriction, and adverse events are major obstacles that threaten TAA-based CVs’ efficacy due to the “self-protein” characteristic of TAAs. As “abnormal proteins” that are completely absent from normal cells, tumor-specific antigens (TSAs) can trigger a robust immune response against tumor cells with high specificity and without going through central tolerance, contributing to cancer vaccine development feasibility. In this review, we focus on the unique features of TAAs and TSAs and their application in vaccines, summarizing their performance in preclinical and clinical trials.
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14
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Albertsmeier M, Altendorf-Hofmann A, Lindner LH, Issels RD, Kampmann E, Dürr HR, Schubert-Fritschle G, Angele MK, Kirchner T, Jungbluth AA, Knösel T. Cancer Testis Antigens and Immunotherapy: Expression of PRAME Is Associated with Prognosis in Soft Tissue Sarcoma. Cancers (Basel) 2020; 12:E3612. [PMID: 33287125 PMCID: PMC7761656 DOI: 10.3390/cancers12123612] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/26/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022] Open
Abstract
(1) Background: PRAME, NY-ESO-1, and SSX2 are cancer testis antigens (CTAs), which are expressed in testicular germ cells with re-expression in numerous cancer types. Their ability to elicit humoral and cellular immune responses have rendered them promising targets for cancer immunotherapy, but they have never been studied in a large and well-characterised cohort of soft tissue sarcomas (STS). (2) Methods: On a protein level, we examined PRAME, NY-ESO-1, and SSX2 expression in tumour tissues of 249 high-risk STS using immunohistochemistry. We correlated expression levels with clinicopathological parameters including tumour-infiltrating lymphocyte (TIL) counts, grading, and long-term survival. (3) Results: Expression of PRAME, NY-ESO-1, and SSX2 was observed in 25 (10%), 19 (8%), and 11 (4%) of 249 specimens with distinct patterns for histo-subtypes. Expression of PRAME was associated with shorter patient survival (p = 0.005) and higher grade (G2 vs. G3, p = 0.001), while NY-ESO-1 expression was correlated with more favourable survival (p = 0.037) and lower grade (G2 vs. G3, p = 0.029). Both PRAME and NY-ESO-1 expression were more frequent in STS with low TIL counts. In multivariate analysis, high PRAME and low SSX2 expression levels as well as metastatic disease and non-radical resections were independent predictors of shorter overall survival. (4) Conclusions: CTAs PRAME, NY-ESO-1, and SSX2 show distinct expression patterns in different STS subtypes. These results demonstrate their prognostic relevance and may guide future immunotherapeutic approaches in STS.
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Affiliation(s)
- Markus Albertsmeier
- Department of General, Visceral and Transplantation Surgery, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany;
| | - Annelore Altendorf-Hofmann
- Department of General, Visceral and Vascular Surgery, Friedrich-Schiller Universität Jena, Am Klinikum 1, 07743 Jena, Germany;
| | - Lars H. Lindner
- Department of Internal Medicine III, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany; (L.H.L.); (R.D.I.); (E.K.)
| | - Rolf D. Issels
- Department of Internal Medicine III, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany; (L.H.L.); (R.D.I.); (E.K.)
| | - Eric Kampmann
- Department of Internal Medicine III, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany; (L.H.L.); (R.D.I.); (E.K.)
| | - Hans-Roland Dürr
- Musculoskeletal Oncology, Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany;
| | - Gabriele Schubert-Fritschle
- Munich Cancer Registry (MCR) of the Munich Tumour Centre (TZM), Institute for Medical Information Processing, Biometry, and Epidemiology (IBE), University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany;
| | - Martin K. Angele
- Department of General, Visceral and Transplantation Surgery, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, Marchioninistr. 15, 81377 Munich, Germany;
| | - Thomas Kirchner
- Institute of Pathology, Ludwig-Maximilians-Universität (LMU) Munich, Thalkirchner Str. 36, 80337 Munich, Germany;
| | - Achim A. Jungbluth
- Department of Pathology, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY 1275, USA;
| | - Thomas Knösel
- Institute of Pathology, Ludwig-Maximilians-Universität (LMU) Munich, Thalkirchner Str. 36, 80337 Munich, Germany;
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15
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Atherton MJ, Lenz JA, Mason NJ. Sarcomas-A barren immunological wasteland or field of opportunity for immunotherapy? Vet Comp Oncol 2020; 18:447-470. [PMID: 32246517 DOI: 10.1111/vco.12595] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/13/2020] [Accepted: 03/24/2020] [Indexed: 12/11/2022]
Abstract
Key advances in our understanding of immunobiology and the immunosuppressive mechanisms of the tumour microenvironment have led to significant breakthroughs in manipulating the immune system to successfully treat cancer. Remarkable therapeutic responses have occurred with tumours that carry a high mutational burden. In these cases, pre-existing tumour-specific T cells can be rejuvenated via checkpoint inhibition to eliminate tumours. Furthermore, durable remissions have been achieved in haematological malignancies following adoptive transfer of T cells that specifically target cell surface proteins where expression is restricted to the malignancy's cell of origin. Soft tissue sarcomas and bone sarcomas have a paucity of non-synonymous somatic mutations and do not commonly express known, targetable, tumour-specific antigens. Historically, soft tissue sarcomas have been considered immunologically 'cold' and as such, unlikely candidates for immune therapy. Here, we review the immune landscape of canine and feline sarcomas and the immunotherapeutic strategies that have been employed in veterinary clinical trials to improve patient outcome. We also provide insight into immunotherapeutic approaches being used to treat human sarcomas. Together, current data indicates that, rather than a barren immunological wasteland, sarcomas represent a field of opportunities for immunotherapies. Furthermore, we and others would suggest that strategic combinations of immunotherapeutic approaches may hold promise for more effective treatments for high grade soft tissue sarcomas and bone sarcomas.
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Affiliation(s)
- Matthew J Atherton
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jennifer A Lenz
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Nicola J Mason
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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16
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Raza A, Merhi M, Inchakalody VP, Krishnankutty R, Relecom A, Uddin S, Dermime S. Unleashing the immune response to NY-ESO-1 cancer testis antigen as a potential target for cancer immunotherapy. J Transl Med 2020; 18:140. [PMID: 32220256 PMCID: PMC7102435 DOI: 10.1186/s12967-020-02306-y] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 03/16/2020] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Cancer Immunotherapy has recently emerged as a promising and effective modality to treat different malignancies. Antigenic profiling of cancer tissues and determination of any pre-existing immune responses to cancer antigens may help predict responses to immune intervention in cancer. NY-ESO-1, a cancer testis antigen is the most immunogenic antigen to date. The promise of NY-ESO-1 as a candidate for specific immune recognition of cancer comes from its restricted expression in normal adult tissue but frequent occurrence in multiple tumors including melanoma and carcinomas of lung, esophageal, liver, gastric, prostrate, ovarian, and bladder. MAIN BODY This review summarizes current knowledge of NY-ESO-1 as efficient biomarker and target of immunotherapy. It also addresses limitations and challenges preventing a robust immune response to NY-ESO-1 expressing cancers, and describes pre-clinical and clinical observations relevant to NY-ESO-1 immunity, holding potential therapeutic relevance for cancer treatment. CONCLUSION NY-ESO-1 induces strong immune responses in cancer patients but has limited objective clinical responses to NY-ESO-1 expressing tumors due to effect of competitive negative signaling from immune-checkpoints and immune-suppressive tumor microenvironment. We propose that combination therapy to increase the efficacy of NY-ESO-1 specific immunotherapeutic interventions should be explored to unleash the immune response against NY-ESO-1 expressing tumors.
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Affiliation(s)
- Afsheen Raza
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar.,Translational Cancer Research Facility and Clinical Trial Unit, Interim Translational Research Institute, Hamad Medical Corporation, Doha, Qatar
| | - Maysaloun Merhi
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar.,Translational Cancer Research Facility and Clinical Trial Unit, Interim Translational Research Institute, Hamad Medical Corporation, Doha, Qatar
| | - Varghese Philipose Inchakalody
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar.,Translational Cancer Research Facility and Clinical Trial Unit, Interim Translational Research Institute, Hamad Medical Corporation, Doha, Qatar
| | | | - Allan Relecom
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar
| | - Shahab Uddin
- Translational Research Institute, Hamad Medical Corporation, Doha, Qatar
| | - Said Dermime
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, Qatar. .,Translational Cancer Research Facility and Clinical Trial Unit, Interim Translational Research Institute, Hamad Medical Corporation, Doha, Qatar. .,Hamad Medical Corporation, iTRI, Hamad Medical City (Building 320, Office 3-6-5), Po Box 3050, Doha, Qatar.
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17
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Thanindratarn P, Dean DC, Nelson SD, Hornicek FJ, Duan Z. Chimeric antigen receptor T (CAR-T) cell immunotherapy for sarcomas: From mechanisms to potential clinical applications. Cancer Treat Rev 2020; 82:101934. [DOI: 10.1016/j.ctrv.2019.101934] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 11/13/2019] [Accepted: 11/19/2019] [Indexed: 02/07/2023]
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18
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Yang L, Chen S, Luo P, Yan W, Wang C. Liposarcoma: Advances in Cellular and Molecular Genetics Alterations and Corresponding Clinical Treatment. J Cancer 2020; 11:100-107. [PMID: 31892977 PMCID: PMC6930414 DOI: 10.7150/jca.36380] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 09/12/2019] [Indexed: 12/12/2022] Open
Abstract
Liposarcoma is a malignant tumor of mesenchymal origin with significant tissue diversity. It is composed of adipocytes with different degrees of differentiation and different degrees of heteromorphosis. It is not sensitive to traditional radiotherapy and chemotherapy and has a poor prognosis. In recent years, with the rapid development of basic immunology, molecular genetics and tumor molecular biology, the histological classification of liposarcoma has become increasingly clear. More and more new methods and technologies, such as gene expression profile analysis, the whole genome sequencing, miRNA expression profile analysis and RNA sequencing, have been successfully applied to liposarcoma, bringing about a deeper understanding of gene expression changes and molecular pathogenic mechanisms in the occurrence and development of liposarcoma. This study reviews the present research status and progress of cellular and molecular alterations of liposarcoma and corresponding clinical treatment progress.
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Affiliation(s)
- Lingge Yang
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Shiqi Chen
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Peng Luo
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wangjun Yan
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Chunmeng Wang
- Department of Musculoskeletal Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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19
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Wei R, Dean DC, Thanindratarn P, Hornicek FJ, Guo W, Duan Z. Cancer testis antigens in sarcoma: Expression, function and immunotherapeutic application. Cancer Lett 2019; 479:54-60. [PMID: 31634526 DOI: 10.1016/j.canlet.2019.10.024] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/23/2019] [Accepted: 10/15/2019] [Indexed: 02/06/2023]
Abstract
Sarcomas are a group of heterogeneous malignancies of mesenchymal origin. Patient outcomes remain especially grim for those with recurrent or metastatic disease, and current therapeutic strategies have not significantly improved outcomes over the past few decades. This has led to a number of studies assessing novel therapies. Cancer testis antigens (CTAs) are tumor-associated antigens with physiologic expression in the testis and various malignancies, including sarcomas. Genes encoding CTAs include MAGE, NY-ESO-1, PRAME, TRAG-3/CSAGE, and SSX. The importance and function of CTAs in tumorigenesis have gained recognition in recent years. They are also proving as robust diagnostic and prognostic biomarkers. Therapeutically, antigens derived from CTAs are highly recognizable by T lymphocytes and therefore capable of generating a potent antitumor immune response. CTAs are, therefore, promising targets for novel immunotherapies. Here we review the emerging works on expression, function, and immunotherapeutic application of CTAs in sarcoma therapy.
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Affiliation(s)
- Ran Wei
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine at UCLA, 615 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA; Musculoskeletal Tumor Center, Peking University People's Hospital, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China.
| | - Dylan C Dean
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine at UCLA, 615 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA.
| | - Pichaya Thanindratarn
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine at UCLA, 615 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA.
| | - Francis J Hornicek
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine at UCLA, 615 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA.
| | - Wei Guo
- Musculoskeletal Tumor Center, Peking University People's Hospital, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China.
| | - Zhenfeng Duan
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine at UCLA, 615 Charles E. Young Dr. South, Los Angeles, CA, 90095, USA.
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20
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Abstract
Adipocytic neoplasms include a diversity of both benign tumors (lipomas) and malignancies (liposarcomas), and each tumor type is characterized by its own unique molecular alterations driving tumorigenesis. Work over the past 30 years has established the diagnostic utility of several of these characteristic molecular alterations (e.g. MDM2 amplification in well- and dedifferentiated liposarcoma, FUS/EWSR1-DDIT3 gene fusions in myxoid liposarcoma, RB1 loss in spindle cell/pleomorphic lipoma). More recent studies have focused on additional molecular alterations which may have therapeutic or prognostic impact. This review will summarize several of the important molecular findings in adipocytic tumors that have been described over the past 10 years.
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Affiliation(s)
- Elizabeth G Demicco
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.
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21
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Abstract
Sarcomas are rare tumors derived from mesenchymal connective tissues in the body. Because there are well over 50 histologic sarcoma subtypes, including malignant and non-malignant pathologies, clinical courses and therapeutic management are widely divergent. In general, therapeutic options across all soft tissue sarcomas are limited in number and are often generalized across multiple sarcoma histologies. The recent emergence of molecularly targeted therapies and immune-based agents presents a future of refined systemic treatment practices that are rationally tailored to the tumor by histologic subtype and biologic mechanisms.
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22
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Thomas R, Al-Khadairi G, Roelands J, Hendrickx W, Dermime S, Bedognetti D, Decock J. NY-ESO-1 Based Immunotherapy of Cancer: Current Perspectives. Front Immunol 2018; 9:947. [PMID: 29770138 PMCID: PMC5941317 DOI: 10.3389/fimmu.2018.00947] [Citation(s) in RCA: 246] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 04/16/2018] [Indexed: 12/12/2022] Open
Abstract
NY-ESO-1 or New York esophageal squamous cell carcinoma 1 is a well-known cancer-testis antigen (CTAs) with re-expression in numerous cancer types. Its ability to elicit spontaneous humoral and cellular immune responses, together with its restricted expression pattern, have rendered it a good candidate target for cancer immunotherapy. In this review, we provide background information on NY-ESO-1 expression and function in normal and cancerous tissues. Furthermore, NY-ESO-1-specific immune responses have been observed in various cancer types; however, their utility as biomarkers are not well determined. Finally, we describe the immune-based therapeutic options targeting NY-ESO-1 that are currently in clinical trial. We will highlight the recent advancements made in NY-ESO-1 cancer vaccines, adoptive T cell therapy, and combinatorial treatment with checkpoint inhibitors and will discuss the current trends for future NY-ESO-1 based immunotherapy. Cancer treatment has been revolutionized over the last few decades with immunotherapy emerging at the forefront. Immune-based interventions have shown promising results, providing a new treatment avenue for durable clinical responses in various cancer types. The majority of successful immunotherapy studies have been reported in liquid cancers, whereas these approaches have met many challenges in solid cancers. Effective immunotherapy in solid cancers is hampered by the complex, dynamic tumor microenvironment that modulates the extent and phenotype of the antitumor immune response. Furthermore, many solid tumor-associated antigens are not private but can be found in normal somatic tissues, resulting in minor to detrimental off-target toxicities. Therefore, there is an ongoing effort to identify tumor-specific antigens to target using various immune-based modalities. CTAs are considered good candidate targets for immunotherapy as they are characterized by a restricted expression in normal somatic tissues concomitant with a re-expression in solid epithelial cancers. Moreover, several CTAs have been found to induce a spontaneous immune response, NY-ESO-1 being the most immunogenic among the family members. Hence, this review will focus on NY-ESO-1 and discuss the past and current NY-ESO-1 targeted immunotherapeutic strategies.
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Affiliation(s)
- Remy Thomas
- Cancer Research Center, Qatar Biomedical Research Institute, Qatar Foundation, Hamad Bin Khalifa University, Doha, Qatar
| | - Ghaneya Al-Khadairi
- Cancer Research Center, Qatar Biomedical Research Institute, Qatar Foundation, Hamad Bin Khalifa University, Doha, Qatar
| | - Jessica Roelands
- Immunology, Inflammation, and Metabolism Department, Tumor Biology, Immunology, and Therapy Section, Division of Translational Medicine, Sidra Medicine, Doha, Qatar.,Department of Surgery, Leiden University Medical Center, Leiden, Netherlands
| | - Wouter Hendrickx
- Immunology, Inflammation, and Metabolism Department, Tumor Biology, Immunology, and Therapy Section, Division of Translational Medicine, Sidra Medicine, Doha, Qatar
| | - Said Dermime
- Translational Cancer Research Facility, National Center for Cancer Care and Research, Doha, Qatar
| | - Davide Bedognetti
- Immunology, Inflammation, and Metabolism Department, Tumor Biology, Immunology, and Therapy Section, Division of Translational Medicine, Sidra Medicine, Doha, Qatar
| | - Julie Decock
- Cancer Research Center, Qatar Biomedical Research Institute, Qatar Foundation, Hamad Bin Khalifa University, Doha, Qatar
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23
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Tavakoli Koudehi A, Mahjoubi B, Mirzaei R, Shabani S, Mahjoubi F. AKAP4, SPAG9 and NY-ESO-1 in Iranian Colorectal Cancer Patients as Probable Diagnostic and Prognostic Biomarkers. Asian Pac J Cancer Prev 2018; 19:463-469. [PMID: 29480665 PMCID: PMC5980935 DOI: 10.22034/apjcp.2018.19.2.463] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Background and objectives: Colorectal cancer (CRC) is the most common gastrointestinal cancer and the second leading cause of cancer death in women in the world. Cancer-Testis Antigens (CTAs) are a group of tumor-associated proteins which typically are expressed in normal reproductive cells of men, but their expression in normal somatic cells is silenced. CTAs, due to their limited expression pattern, are considered as promising targets for cancer diagnosis and immuno-therapy. Methods: Expression of AKAP4, SPAG9 and CTAG1B genes from the CTAs family was studied in both tumor and normal tissues of 62 Iranian CRC patients by RT-PCR with the aim of finding biomarkers for early detection and anticipated progression. Statistical analysis was performed SPSS software V22.0 to assess the significance of any associations. Results: Elevated expression of SPAG9 and AKAP4 genes was observed in approximately 66% and 44% of tumours, respectively, as compared to adjacent non-cancerous tissues. While a significant association was found between AKAP4 gene expression and metastasis (P-value: 0.045), expression of the CTAG1B (NY-ESO-1) gene was not observed in our cases. Conclusion: AKAP4 and SPAG9 genes may find use as diagnostic biomarkers for CRC and AKAP4 may play an important role in progression to metastasis.
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Affiliation(s)
- Ameneh Tavakoli Koudehi
- Department of Clinical Genetics, National Institute of Genetic Engineering and Biotechnology (NIGEB),Tehran,Iran.
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24
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Oda Y, Yamamoto H, Kohashi K, Yamada Y, Iura K, Ishii T, Maekawa A, Bekki H. Soft tissue sarcomas: From a morphological to a molecular biological approach. Pathol Int 2017; 67:435-446. [DOI: 10.1111/pin.12565] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 07/05/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Yoshinao Oda
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Hidetaka Yamamoto
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Kenichi Kohashi
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Yuichi Yamada
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Kunio Iura
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Takeaki Ishii
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Akira Maekawa
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Hirofumi Bekki
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
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25
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Giavina-Bianchi MH, Giavina-Bianchi Junior PF, Festa Neto C. Melanoma: tumor microenvironment and new treatments. An Bras Dermatol 2017; 92:156-166. [PMID: 28538872 PMCID: PMC5429098 DOI: 10.1590/abd1806-4841.20176183] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 08/28/2016] [Indexed: 01/22/2023] Open
Abstract
In the recent past years, many discoveries in the tumor microenvironment have led to changes in the management of melanoma and it is rising up hopes, specially, to those in advanced stages. FDA approved seven new drugs from 2011 to 2014. They are: Vemurafenib, Dabrafenib and Trametinib, kinases inhibitors used for patients that have BRAFV600E mutation; Ipilimumab (anti-CTLA4), Pembrolizumab (anti-PD-1) and Nivolumab (anti-PD-1), monoclonal antibodies that stimulate the immune system; and Peginterferon alfa-2b, an anti-proliferative cytokine used as adjuvant therapy. In this article, we will review the molecular bases for these new metastatic melanoma therapeutic agents cited above and also analyze new molecular discoveries in melanoma study, as Cancer-Testis antigens (CT). They are capable of induce humoral and cellular immune responses in cancer patients and because of this immunogenicity and their restrict expression in normal tissues, they are considered an ideal candidate for vaccine development against cancer. Among CT antigens, NY-ESO-1 is the best characterized in terms of expression patterns and immunogenicity. It is expressed in 20-40% of all melanomas, more in metastatic lesions than in primary ones, and it is very heterogeneous inter and intratumoral. Breslow index is associate with NY-ESO-1 expression in primary cutaneous melanomas, but its relation to patient survival remains controversial.
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Affiliation(s)
| | | | - Cyro Festa Neto
- Dermatology Department of Universidade de São Paulo Medical
School (FMUSP) – São Paulo (SP), Brazil
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Shurell E, Vergara-Lluri ME, Li Y, Crompton JG, Singh A, Bernthal N, Wu H, Eilber FC, Dry SM. Comprehensive adipocytic and neurogenic tissue microarray analysis of NY-ESO-1 expression - a promising immunotherapy target in malignant peripheral nerve sheath tumor and liposarcoma. Oncotarget 2016; 7:72860-72867. [PMID: 27655679 PMCID: PMC5341949 DOI: 10.18632/oncotarget.12096] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 09/09/2016] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Immunotherapy targeting cancer-testis antigen NY-ESO-1 shows promise for tumors with poor response to chemoradiation. Malignant peripheral nerve sheath tumors (MPNSTs) and liposarcomas (LPS) are chemoresistant and have few effective treatment options. Materials Methods: Using a comprehensive tissue microarray (TMA) of both benign and malignant tumors in primary, recurrent, and metastatic samples, we examined NY-ESO-1 expression in peripheral nerve sheath tumor (PNST) and adipocytic tumors. The PNST TMA included 42 MPNSTs (spontaneous n = 26, NF1-associated n = 16), 35 neurofibromas (spontaneous n = 22, NF-1 associated n = 13), 11 schwannomas, and 18 normal nerves. The LPS TMA included 48 well-differentiated/dedifferentiated (WD/DD) LPS, 13 myxoid/round cell LPS, 3 pleomorphic LPS, 8 lipomas, 1 myelolipoma, and 3 normal adipocytic tissue samples. Stained in triplicate, NY-ESO-1 intensity and density were scored. RESULTS NY-ESO-1 expression was exclusive to malignant tumors. 100% of myxoid/round cell LPS demonstrated NY-ESO-1 expression, while only 6% of WD/DD LPS showed protein expression, one of which was WD LPS. Of MPNST, 4/26 (15%) spontaneous and 2/16 (12%) NF1-associated MPNSTs demonstrated NY-ESO-1 expression. Strong NY-ESO-1 expression was observed in myxoid/round cell and dedifferentiated LPS, and MPNST in primary, neoadjuvant, and metastatic settings. CONCLUSIONS We found higher prevalence of NY-ESO-1 expression in MPNSTs than previously reported, highlighting a subset of MPNST patients who may benefit from immunotherapy. This study expands our understanding of NY-ESO-1 in WD/DD LPS and is the first demonstration of staining in a WD LPS and metastatic/recurrent myxoid/round cell LPS. These results suggest immunotherapy targeting NY-ESO-1 may benefit patients with aggressive tumors resistant to conventional therapy.
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Affiliation(s)
- Elizabeth Shurell
- Division of Surgical Oncology, University of California, Los Angeles, CA 90095, USA
| | - Maria E. Vergara-Lluri
- Department of Pathology and Laboratory Medicine, University of California, Los Angeles, CA 90095, USA
| | - Yunfeng Li
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, CA 90095, USA
| | - Joseph G. Crompton
- Division of Surgical Oncology, University of California, Los Angeles, CA 90095, USA
| | - Arun Singh
- Department of Hematology/Oncology, University of California, Los Angeles, CA 90095, USA
| | - Nicholas Bernthal
- Department of Orthopaedic Surgery, University of California, Los Angeles, CA 90095, USA
| | - Hong Wu
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, CA 90095, USA
| | - Fritz C. Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA 90095, USA
| | - Sarah M. Dry
- Department of Pathology and Laboratory Medicine, University of California, Los Angeles, CA 90095, USA
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Establishment and characterization of a new human myxoid liposarcoma cell line (DL-221) with the FUS-DDIT3 translocation. J Transl Med 2016; 96:885-94. [PMID: 27270875 PMCID: PMC4965313 DOI: 10.1038/labinvest.2016.64] [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: 03/18/2016] [Accepted: 04/18/2016] [Indexed: 12/19/2022] Open
Abstract
Myxoid liposarcoma has the pathognomonic fusion oncogene FUS-DDIT3 encoding a chimeric transcription factor. Metastatic risk is higher with an increased round cell component and has been linked to aberrations involving the IGFR/PI3K/AKT pathway. These molecular insights have yet to translate to targeted therapies, and the lack of experimental models is a major hindrance. We describe the initial in-depth characterization of a new cell line (DL-221) and establishment of a mouse xenograft model. The cell line DL-221 was derived from a metastatic pleural lesion showing myxoid and round cell histology. This newly established cell line was characterized for phenotypic properties and molecular cytogenetic profile, using PCR, COBRA-FISH, and western blot. Next-generation whole-exome sequencing was performed to further characterize the cell line and the parent tumor. NOD-SCID-IL2R gamma knockout mice were xenograft hosts. DL-221 cells grew an adhering monolayer and COBRA-FISH showed an aneuploid karyotype with t(12;16)(q13;p11) and several other rearrangements; RT-PCR demonstrated a FUS-DDIT3 fusion transcript type 1. Both the cell line and the original tumor harbored a TP53 compound heterozygous mutation in exon 4 and 7, and were wild-type for PIK3CA. Moreover, among the 1254 variants called by whole-exome sequencing, there was 77% concordance between the cell line and parent tumor. The recently described hotspot mutation in the TERT promoter region in myxoid liposarcomas was also found at C228T in DL-221. Xenografts suitable for additional preclinical studies were successfully established in mice after subcutaneous injection. The established DL-221 cell line is the only published available myxoid liposarcoma cell line that underwent spontaneous immortalization, without requiring SV40 transformation. The cell line and its xenograft model are unique and helpful tools to study the biology and novel potential-targeted treatment approaches for myxoid liposarcoma.
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Esfandiary A, Ghafouri-Fard S. New York esophageal squamous cell carcinoma-1 and cancer immunotherapy. Immunotherapy 2016; 7:411-39. [PMID: 25917631 DOI: 10.2217/imt.15.3] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
New York esophageal squamous cell carcinoma 1 (NY-ESO-1) is a known cancer testis gene with exceptional immunogenicity and prevalent expression in many cancer types. These characteristics have made it an appropriate vaccine candidate with the potential application against various malignancies. This article reviews recent knowledge about the NY-ESO-1 biology, function, immunogenicity and expression in cancers as well as and the results of clinical trials with this antigen.
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Affiliation(s)
- Ali Esfandiary
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
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29
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Lin G, Doyle LA. An update on the application of newly described immunohistochemical markers in soft tissue pathology. Arch Pathol Lab Med 2015; 139:106-21. [PMID: 25549147 DOI: 10.5858/arpa.2014-0488-ra] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
CONTEXT During the last 5 to 10 years, significant progress has been made in the molecular characterization of soft tissue tumors, predominantly with the identification of recurrent translocations or amplification of certain genes in different tumor types. Alongside this, translational efforts have identified many novel and diagnostically useful immunohistochemical markers for many of these tumor types. OBJECTIVE This article reviews a select group of recently described immunohistochemical markers of particular use in the evaluation of mesenchymal neoplasms; the underlying biology of the protein product, practical utility, and limitations of each marker are discussed in detail. DATA SOURCES Literature review, authors' research data, and personal practice experience serve as sources. CONCLUSIONS There are many diagnostically useful immunohistochemical markers to help confirm the diagnosis of many different soft tissue tumor types, some of which have reduced the need for additional, and more costly, studies, such as fluorescence in situ hybridization. However, no one marker is 100% specific for a given tumor, and knowledge of potential pitfalls and overlap in patterns of staining among other tumor types is crucial to ensure the appropriate application of these markers in clinical practice.
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Affiliation(s)
- George Lin
- From the Department of Laboratory Medicine, Geisinger Medical Center, Danville, Pennsylvania (Dr Lin); and the Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts (Dr Doyle)
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Giavina-Bianchi M, Giavina-Bianchi P, Sotto MN, Muzikansky A, Kalil J, Festa-Neto C, Duncan LM. Increased NY-ESO-1 expression and reduced infiltrating CD3+ T cells in cutaneous melanoma. J Immunol Res 2015; 2015:761378. [PMID: 25954764 PMCID: PMC4411457 DOI: 10.1155/2015/761378] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 03/23/2015] [Accepted: 03/29/2015] [Indexed: 11/30/2022] Open
Abstract
NY-ESO-1 is a cancer-testis antigen aberrantly expressed in melanomas, which may serve as a robust and specific target in immunotherapy. NY-ESO-1 antigen expression, tumor features, and the immune profile of tumor infiltrating lymphocytes were assessed in primary cutaneous melanoma. NY-ESO-1 protein was detected in 20% of invasive melanomas (16/79), rarely in in situ melanoma (1/10) and not in benign nevi (0/20). Marked intratumoral heterogeneity of NY-ESO-1 protein expression was observed. NY-ESO-1 expression was associated with increased primary tumor thickness (P = 0.007) and inversely correlated with superficial spreading melanoma (P < 0.02). NY-ESO-1 expression was also associated with reduced numbers and density of CD3+ tumor infiltrating lymphocytes (P = 0.017). When NY-ESO-1 protein was expressed, CD3+ T cells were less diffusely infiltrating the tumor and were more often arranged in small clusters (P = 0.010) or as isolated cells (P = 0.002) than in large clusters of more than five lymphocytes. No correlation of NY-ESO-1 expression with gender, age, tumor site, ulceration, lymph node sentinel status, or survival was observed. NY-ESO-1 expression in melanoma was associated with tumor progression, including increased tumor thickness, and with reduced tumor infiltrating lymphocytes.
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Affiliation(s)
- Mara Giavina-Bianchi
- Department of Dermatology, University of São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 255, 3° Andar, 05403-900 São Paulo, SP, Brazil
| | - Pedro Giavina-Bianchi
- Division of Clinical Immunology and Allergy, University of São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 255, 8° Andar, 05403-900 São Paulo, SP, Brazil
| | - Mirian Nacagami Sotto
- Department of Dermatology, University of São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 255, 3° Andar, 05403-900 São Paulo, SP, Brazil
| | - Alona Muzikansky
- MGH Biostatistics Center, 50 Staniford Street, Suite 560, Boston, MA 02114, USA
| | - Jorge Kalil
- Division of Clinical Immunology and Allergy, University of São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 255, 8° Andar, 05403-900 São Paulo, SP, Brazil
| | - Cyro Festa-Neto
- Department of Dermatology, University of São Paulo, Avenida Dr. Enéas de Carvalho Aguiar 255, 3° Andar, 05403-900 São Paulo, SP, Brazil
| | - Lyn M. Duncan
- Dermatopathology Unit, Pathology Service, Massachusetts General Hospital, Harvard Medical School, Warren Building 825, 55 Fruit Street, Boston, MA 02114, USA
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NY-ESO-1 (CTAG1B) expression in mesenchymal tumors. Mod Pathol 2015; 28:587-95. [PMID: 25412843 DOI: 10.1038/modpathol.2014.155] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 10/09/2014] [Accepted: 10/15/2014] [Indexed: 12/29/2022]
Abstract
New York esophageal squamous cell carcinoma 1 (NY-ESO-1, CTAG1B) is a cancer-testis antigen and currently a focus of several targeted immunotherapeutic strategies. We performed a large-scale immunohistochemical expression study of NY-ESO-1 using tissue microarrays of mesenchymal tumors from three institutions in an international collaboration. A total of 1132 intermediate and malignant and 175 benign mesenchymal lesions were enrolled in this study. Immunohistochemical staining was performed on tissue microarrays using a monoclonal antibody for NY-ESO-1. Among mesenchymal tumors, myxoid liposarcomas showed the highest positivity for NY-ESO-1 (88%), followed by synovial sarcomas (49%), myxofibrosarcomas (35%), and conventional chondrosarcomas (28%). Positivity of NY-ESO-1 in the remaining mesenchymal tumors was consistently low, and no immunoreactivity was observed in benign mesenchymal lesions. On the basis of these findings, nearly 90% of myxoid liposarcomas, as well as a significant proportion of synovial sarcomas, myxofibrosarcomas, and conventional chondrosarcomas are good candidates for immunotherapy targeting NY-ESO-1.
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Iura K, Kohashi K, Hotokebuchi Y, Ishii T, Maekawa A, Yamada Y, Yamamoto H, Iwamoto Y, Oda Y. Cancer-testis antigens PRAME and NY-ESO-1 correlate with tumour grade and poor prognosis in myxoid liposarcoma. JOURNAL OF PATHOLOGY CLINICAL RESEARCH 2015; 1:144-59. [PMID: 27499900 PMCID: PMC4939879 DOI: 10.1002/cjp2.16] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 01/22/2015] [Indexed: 01/02/2023]
Abstract
Myxoid liposarcoma is the second most common liposarcoma. Although myxoid liposarcoma is relatively chemosensitive and thus a good candidate for chemotherapy, cases with relapsed or metastatic disease still have poor outcome. Here, we performed a gene microarray analysis to compare the gene expression profiles in six clinical myxoid liposarcoma samples and three normal adipose tissue samples, and to identify molecular biomarkers that would be useful as diagnostic markers or treatment targets in myxoid liposarcoma. This showed that the cancer-testis antigen PRAME was up-regulated in myxoid liposarcoma. We then performed immunohistochemical, western blotting and real-time polymerase chain reaction analyses to quantify the expression of PRAME and another cancer-testis antigen, NY-ESO-1, in clinical samples of myxoid liposarcoma (n = 93), dedifferentiated (n = 46), well-differentiated (n = 32) and pleomorphic liposarcomas (n = 14). Immunohistochemically, positivity for PRAME and NY-ESO-1 was observed in 84/93 (90%) and 83/93 (89%) of the myxoid liposarcomas, and in 20/46 (43%) and 3/46 (7%) of the dedifferentiated, 3/32 (9%) and 1/32 (3%) of the well-differentiated and 7/14 (50%) and 3/21 (21%) of the pleomorphic liposarcomas, respectively. High immunohistochemical expression of PRAME and/or NY-ESO-1 was significantly correlated with tumour diameter, the existence of tumour necrosis, a round-cell component of >5%, higher histological grade and advanced clinical stage. High PRAME and NY-ESO-1 expression correlated significantly with poor prognosis in a univariate analysis. The myxoid liposarcomas showed significantly higher protein and mRNA expression levels of PRAME and NY-ESO-1 (CTAG1B) than the other liposarcomas. In conclusion, PRAME and NY-ESO-1 (CTAG1B) were expressed in the vast majority of myxoid liposarcomas, and their high-level expression correlated with tumour grade and poor prognosis. Our results support the potential use of PRAME and NY-ESO-1 as ancillary parameters for differential diagnosis and as prognostic biomarkers, and indicate that the development of immunotherapy against these cancer-testis antigens in myxoid liposarcoma would be warranted.
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Affiliation(s)
- Kunio Iura
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Kenichi Kohashi
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Yuka Hotokebuchi
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Takeaki Ishii
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Akira Maekawa
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Yuichi Yamada
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Hidetaka Yamamoto
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Yukihide Iwamoto
- Department of Orthopaedic Surgery Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology Graduate School of Medical Sciences Kyushu University Maidashi 3-1-1 Higashi-ku Fukuoka Japan
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de Faria PCB, dos Santos LI, Coelho JP, Ribeiro HB, Pimenta MA, Ladeira LO, Gomes DA, Furtado CA, Gazzinelli RT. Oxidized multiwalled carbon nanotubes as antigen delivery system to promote superior CD8(+) T cell response and protection against cancer. NANO LETTERS 2014; 14:5458-70. [PMID: 25115645 DOI: 10.1021/nl502911a] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Properties like high interfacial area with cellular membranes, unique ability to incorporate multiple functionalization, as well as compatibility and transport in biological fluids make carbon nanotubes (CNTs) useful for a variety of therapeutic and drug-delivery applications. Here we used a totally synthetic hybrid supramolecule as an anticancer vaccine formulation. This complex structure comprises CNTs as delivery system for the Cancer Testis Antigen named NY-ESO-1, allied to a synthetic Toll-Like Receptor agonist. The CNT constructs were rapidly internalized into dendritic cells, both in vitro and in vivo, and served as an intracellular antigen depot. This property favored the induction of strong CD4(+) T as well as CD8(+) T cell-mediated immune responses against the NY-ESO-1. Importantly, the vaccination significantly delayed the tumor development and prolonged the mice survival, highlighting the potential application of CNTs as a vaccine delivery system to provide superior immunogenicity and strong protection against cancer.
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Expression of cancer-testis antigens MAGEA1, MAGEA3, ACRBP, PRAME, SSX2, and CTAG2 in myxoid and round cell liposarcoma. Mod Pathol 2014; 27:1238-45. [PMID: 24457462 PMCID: PMC4287229 DOI: 10.1038/modpathol.2013.244] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 11/27/2013] [Accepted: 12/02/2013] [Indexed: 02/08/2023]
Abstract
Myxoid and round-cell liposarcoma is a frequently encountered liposarcoma subtype. The mainstay of treatment remains surgical excision with or without chemoradiation. However, treatment options are limited in the setting of metastatic disease. Cancer-testis antigens are immunogenic antigens with the expression largely restricted to testicular germ cells and various malignancies, making them attractive targets for cancer immunotherapy. Gene expression studies have reported the expression of various cancer-testis antigens in liposarcoma, with mRNA expression of CTAG1B, CTAG2, MAGEA9, and PRAME described specifically in myxoid and round-cell liposarcoma. Herein, we further explore the expression of the cancer-testis antigens MAGEA1, ACRBP, PRAME, and SSX2 in myxoid and round-cell liposarcoma by immunohistochemistry in addition to determining mRNA levels of CTAG2 (LAGE-1), PRAME, and MAGEA3 by quantitative real-time PCR. Samples in formalin-fixed paraffin-embedded blocks (n=37) and frozen tissue (n=8) were obtained for immunohistochemistry and quantitative real-time PCR, respectively. Full sections were stained with antibodies to MAGEA1, ACRBP, PRAME, and SSX2 and staining was assessed for intensity (1-2+) and percent tumor positivity. The gene expression levels of CTAG2, PRAME, and MAGEA3 were measured by quantitative real-time PCR. In total, 37/37 (100%) of the samples showed predominantly strong, homogenous immunoreactivity for PRAME. There was a variable, focal expression of MAGEA1 (11%) and SSX2 (16%) and no expression of ACRBP. Quantitative real-time PCR demonstrated PRAME and CTAG2 transcripts in all eight samples: six tumors with high mRNA levels; two tumors with low mRNA levels. The gene expression of MAGEA3 was not detected in the majority of cases. In conclusion, myxoid and round-cell liposarcomas consistently express PRAME by immunohistochemistry as well as CTAG2 and PRAME by qualitative real-time PCR. This supports the use of cancer-testis antigen-targeted immunotherapy in the treatment of this malignancy.
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Gunda V, Frederick DT, Bernasconi MJ, Wargo JA, Parangi S. A potential role for immunotherapy in thyroid cancer by enhancing NY-ESO-1 cancer antigen expression. Thyroid 2014; 24:1241-50. [PMID: 24811699 PMCID: PMC4106380 DOI: 10.1089/thy.2013.0680] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND NY-ESO-1 is one of the most immunogenic members of the cancer/testis antigen family and its levels can be increased after exposure to demethylating and deacetylating agents. This cytoplasmic antigen can serve as a potent target for cancer immunotherapy and yet has not been well studied in differentiated thyroid cancer cells. METHODS We studied the baseline expression of NY-ESO-1 messenger RNA and protein before and after exposure to 5-aza-2'-deoxycytidine (DAC) (72 hours) in a panel of thyroid cancer cell lines using quantitative polymerase chain reaction and Western blot. HLA-A2+, NY-ESO-1+ thyroid cell lines were then co-cultured with peripheral blood lymphocytes transduced with NY-ESO-1 specific T-cell receptor (TCR) and assayed for interferon-gamma and Granzyme-B release in the medium. SCID mice injected orthotopically with BCPAP cells were treated with DAC to evaluate for NY-ESO-1 gene expression in vivo. RESULTS None of the thyroid cancer cell lines showed baseline expression of NY-ESO-1. Three cell lines, BCPAP, TPC-1, and 8505c, showed an increase in NY-ESO-1 gene expression with DAC treatment and were found to be HLA-A2 positive. DAC-treated target BCPAP and TPC-1 tumor cells with up-regulated NY-ESO-1 levels were able to mount an appropriate interferon-gamma and Granzyme-B response upon co-culture with the NY-ESO-1-TCR-transduced peripheral blood lymphocytes. In vivo DAC treatment was able to increase NY-ESO-1 expression in an orthotopic mouse model with BCPAP cells. CONCLUSION Our data suggest that many differentiated thyroid cancer cells can be pressed to express immune antigens, which can then be utilized in TCR-based immunotherapeutic interventions.
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Affiliation(s)
- Viswanath Gunda
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Dennie T. Frederick
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Maria J. Bernasconi
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jennifer A. Wargo
- Department of Surgical Oncology and Genomic Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Sareh Parangi
- Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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Linch M, Miah AB, Thway K, Judson IR, Benson C. Systemic treatment of soft-tissue sarcoma-gold standard and novel therapies. Nat Rev Clin Oncol 2014; 11:187-202. [PMID: 24642677 DOI: 10.1038/nrclinonc.2014.26] [Citation(s) in RCA: 159] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Soft-tissue sarcoma (STS) is a rare and heterogeneous group of tumours that comprise approximately 1% of all adult cancers, and encompass over 50 different subtypes. These tumours exhibit a wide range of differing behaviours and underlying molecular pathologies, and can arise anywhere in the body. Surgical resection is critical to the management of locoregional disease. In the locally advanced or metastatic disease settings, systemic therapy has an important role in the multidisciplinary management of sarcoma. Cytotoxic therapy that usually consists of doxorubicin and ifosfamide has been the mainstay of treatment for many years. However recent advances in molecular pathogenesis, the development of novel targeted therapies, changes in clinical trial design and increased international collaboration have led to the development of histology-driven therapy. Furthermore, genomic profiling has highlighted that some STS are driven by translocation, mutation or amplification and others have more complex and chaotic karyotypes. In this Review, we aim to describe the current gold standard treatment for specific STS subtypes as well as outline future promising therapies in the pipeline.
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Affiliation(s)
- Mark Linch
- Sarcoma Unit, Department of Medical Oncology, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK
| | - Aisha B Miah
- Department of Clinical Oncology, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK
| | - Khin Thway
- Department of Histopathology, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK
| | - Ian R Judson
- Sarcoma Unit, Department of Medical Oncology, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK
| | - Charlotte Benson
- Sarcoma Unit, Department of Medical Oncology, Royal Marsden Hospital, Fulham Road, London SW3 6JJ, UK
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Kao CS, Badve SS, Ulbright TM. The utility of immunostaining for NUT, GAGE7 and NY-ESO-1 in the diagnosis of spermatocytic seminoma. Histopathology 2014; 65:35-44. [DOI: 10.1111/his.12365] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Accepted: 01/03/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Chia-Sui Kao
- Department of Pathology and Laboratory Medicine; Indiana University School of Medicine; Indianapolis IN USA
| | - Sunil S Badve
- Department of Pathology and Laboratory Medicine; Indiana University School of Medicine; Indianapolis IN USA
| | - Thomas M Ulbright
- Department of Pathology and Laboratory Medicine; Indiana University School of Medicine; Indianapolis IN USA
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Chen YT. Detection of cancer/testis antigens as a diagnostic tool in routine pathology practice. Oncoimmunology 2014; 3:e28132. [PMID: 25340008 PMCID: PMC4203539 DOI: 10.4161/onci.28132] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 02/06/2014] [Indexed: 11/19/2022] Open
Abstract
Most of the studies on cancer/testis (CT) antigens performed to date have focused on their potential value as targets for immunotherapy. Several recent studies, however, revealed that CT antigens might represent useful tools for diagnostic pathology, in particular for the identification of squamous cell carcinoma and related pre-malignant lesions, as well as specific types of sarcoma.
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Affiliation(s)
- Yao-Tseng Chen
- Department of Pathology and Laboratory Medicine; Weill Cornell Medical College; New York, NY USA
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39
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Induction of antigen-specific immune responses by dendritic cells transduced with a recombinant lentiviral vector encoding MAGE-A3 gene. J Cancer Res Clin Oncol 2013; 140:281-9. [DOI: 10.1007/s00432-013-1552-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Accepted: 11/14/2013] [Indexed: 01/17/2023]
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40
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Hemminger JA, Iwenofu OH. NY-ESO-1 is a sensitive and specific immunohistochemical marker for myxoid and round cell liposarcomas among related mesenchymal myxoid neoplasms. Mod Pathol 2013; 26:1204-10. [PMID: 23599152 DOI: 10.1038/modpathol.2013.65] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Revised: 01/15/2013] [Accepted: 01/16/2013] [Indexed: 11/09/2022]
Abstract
Myxoid and round cell liposarcomas constitute approximately one-third of all liposarcomas, a relatively common group of fat-derived soft tissue sarcomas. The histomorphology is a continuum between highly differentiated myxoid and poorly differentiated round cell components. The gold standard of diagnosis is dependent on histomorphology and/or identification of t(12;16)(q13;p11) translocation by cytogenetics or demonstration of DDIT3 rearrangements by fluorescence in situ hybridization. There are currently no diagnostic immunohistochemical stains available. The broad range of myxoid neoplasms in the differential diagnosis includes a variety of sarcomas. Given the notable differences in disease biology among myxoid neoplasms, which range from benign to aggressive, an accurate diagnosis is imperative for proper treatment and prognostication. Prompted by our recent study showing frequent expression of the cancer testis antigen NY-ESO-1 in myxoid and round cell liposarcomas, we sought to evaluate the utility of NY-ESO-1 as an immunohistochemical marker for myxoid and round cell liposarcoma among mesenchymal myxoid neoplasms within the differential diagnosis. Formalin-fixed, paraffin-embedded blocks were obtained for the following mesenchymal myxoid neoplasms (n=138): myxoid and round cell liposarcoma (n=38); well-differentiated liposarcoma (n=12); lipoma (n=20; 4 with myxoid change); extra-cardiac soft tissue myxoma (n=39); extraskeletal myxoid chondrosarcoma (n=12); myxofibrosarcoma (n=10: 5 low grade, 2 intermediate grade, 3 high grade); and low-grade fibromyxoid sarcoma (n=7). Utilizing standard immunohistochemistry protocols, full sections were stained with NY-ESO-1 (clone E978), and staining was assessed for intensity (1-2+), percentage of tumor positivity, and location. In all, 36/38 (95%) of the myxoid and round cell liposarcomas demonstrated NY-ESO-1 immunoreactivity. The majority of the positive cases (34/36; 94%) showed strong, homogenous staining (>50% tumor positivity), and two cases (6%) showed weak (1+ intensity), patchy staining (20-30% tumor positivity). Immunoreactivity was predominantly cytoplasmic. All the other neoplasms evaluated were negative for NY-ESO-1. NY-ESO-1 appears to be a sensitive and a specific marker for myxoid and round cell liposarcoma among mesenchymal myxoid neoplasms. The assessment of NY-ESO-1 expression by immunohistochemistry in the appropriate setting provides a cheaper, faster, and more accessible confirmatory test.
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Affiliation(s)
- Jessica A Hemminger
- Department of Pathology and Laboratory Medicine, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
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41
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Tseng WW, Somaiah N, Lazar AJ, Lev DC, Pollock RE. Novel systemic therapies in advanced liposarcoma: a review of recent clinical trial results. Cancers (Basel) 2013; 5:529-49. [PMID: 24216990 PMCID: PMC3730323 DOI: 10.3390/cancers5020529] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 04/16/2013] [Accepted: 05/02/2013] [Indexed: 12/23/2022] Open
Abstract
Liposarcoma is one of the most common adult soft tissue sarcomas an consists of three histologic subtypes (well and dedifferentiated, myxoid/round cell, and pleomorphic). Surgery is the mainstay of treatment for localized disease; however for unresectable or metastatic disease, effective treatment options are currently limited. In the past decade, a better understanding of the distinct genetic and molecular aberrations for each of the three histologic subtypes has led to the development of several novel systemic therapies. Data from phase I and early phase II clinical trials have been reported. Despite challenges with conducting clinical trials in liposarcoma, preliminary results for several of these novel, biology-driven therapies are encouraging.
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Affiliation(s)
- William W. Tseng
- Department of Surgical Oncology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA; E-Mail:
| | - Neeta Somaiah
- Department of Sarcoma Medical Oncology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA; E-Mail:
| | - Alexander J. Lazar
- Department of Pathology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA; E-Mail:
| | - Dina C. Lev
- Department of Cancer Biology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA; E-Mail:
| | - Raphael E. Pollock
- Department of Surgical Oncology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA; E-Mail:
- Department of Cancer Biology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +1-713-792-6928; Fax: +1-713-563-4637
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