1
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Deng J, Yuan S, Pan W, Li Q, Chen Z. Nanotherapy to Reshape the Tumor Microenvironment: A New Strategy for Prostate Cancer Treatment. ACS OMEGA 2024; 9:26878-26899. [PMID: 38947792 PMCID: PMC11209918 DOI: 10.1021/acsomega.4c03055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/28/2024] [Accepted: 05/30/2024] [Indexed: 07/02/2024]
Abstract
Prostate cancer (PCa) is the second most common cancer in males worldwide. Androgen deprivation therapy (ADT) is the primary treatment method used for PCa. Although more effective androgen synthesis and antiandrogen inhibitors have been developed for clinical practice, hormone resistance increases the incidence of ADT-insensitive prostate cancer and poor prognoses. The tumor microenvironment (TME) has become a research hotspot with efforts to identify treatment targets based on the characteristics of the TME to improve prognosis. Herein, we introduce the basic characteristics of the PCa TME and the side effects of traditional prostate cancer treatments. We further highlight the emergence of novel nanotherapy strategies, their therapeutic mechanisms, and their effects on the PCa microenvironment. With further research, clinical applications of nanotherapy for PCa are expected in the near future. Collectively, this Review provides a valuable resource regarding the various nanotherapy types, demonstrating their broad clinical prospects to improve the quality of life in patients with PCa.
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Affiliation(s)
- Juan Deng
- The
Third Affiliated Hospital of Wenzhou Medical university, Wenzhou, 325200, China
- The
First Clinical College of Guangdong Medical University, Zhanjiang, 524023, China
| | - Shaofei Yuan
- The
Third Affiliated Hospital of Wenzhou Medical university, Wenzhou, 325200, China
| | - Wenjie Pan
- The
Third Affiliated Hospital of Wenzhou Medical university, Wenzhou, 325200, China
| | - Qimeng Li
- The
Third Affiliated Hospital of Wenzhou Medical university, Wenzhou, 325200, China
| | - Zhonglin Chen
- The
Third Affiliated Hospital of Wenzhou Medical university, Wenzhou, 325200, China
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2
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Jelača S, Jovanovic I, Bovan D, Pavlovic S, Gajovic N, Dunđerović D, Dajić-Stevanović Z, Acović A, Mijatović S, Maksimović-Ivanić D. Antimelanoma Effects of Alchemilla vulgaris: A Comprehensive In Vitro and In Vivo Study. Diseases 2024; 12:125. [PMID: 38920557 PMCID: PMC11202689 DOI: 10.3390/diseases12060125] [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: 05/01/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 06/27/2024] Open
Abstract
Due to the rich ethnobotanical and growing evidence-based medicine records, the Alchemillae herba, i.e., the upper parts of the Lady's mantle (Alchemilla vulgaris L.), was used for the assessment of antimelanoma activity. The ethanolic extract of A. vulgaris strongly suppressed the viability of B16F1, B16F10, 518A2, and Fem-X cell lines. In contrast to the in vitro study, where the B16F1 cells were more sensitive to the treatment than the more aggressive counterpart B16F10, the results obtained in vivo using the corresponding syngeneic murine model were quite the opposite. The higher sensitivity of B16F10 tumors in vivo may be attributed to a more complex response to the extract compared to one triggered in vitro. In addition, the strong immunosuppressive microenvironment in the B16F1 model is impaired by the treatment, as evidenced by enhanced antigen-presenting potential of dendritic cells, influx and activity of CD4+ T and CD8+ T lymphocytes, decreased presence of T regulatory lymphocytes, and attenuation of anti-inflammatory cytokine production. All these effects are supported by the absence of systemic toxicity. A. vulgaris extract treatment results in a sustained and enhanced ability to reduce melanoma growth, followed by the restoration of innate and adopted antitumor immunity without affecting the overall physiology of the host.
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Affiliation(s)
- Sanja Jelača
- Department of Immunology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11108 Belgrade, Serbia; (S.J.); (D.B.)
| | - Ivan Jovanovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia; (I.J.); (S.P.); (N.G.)
| | - Dijana Bovan
- Department of Immunology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11108 Belgrade, Serbia; (S.J.); (D.B.)
| | - Sladjana Pavlovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia; (I.J.); (S.P.); (N.G.)
| | - Nevena Gajovic
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia; (I.J.); (S.P.); (N.G.)
| | - Duško Dunđerović
- Institute of Pathology, School of Medicine, University of Belgrade, Dr Subotića 8, 11000 Belgrade, Serbia;
| | - Zora Dajić-Stevanović
- Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Belgrade, Serbia;
| | - Aleksandar Acović
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia;
| | - Sanja Mijatović
- Department of Immunology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11108 Belgrade, Serbia; (S.J.); (D.B.)
| | - Danijela Maksimović-Ivanić
- Department of Immunology, Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11108 Belgrade, Serbia; (S.J.); (D.B.)
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3
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Shirley CA, Chhabra G, Amiri D, Chang H, Ahmad N. Immune escape and metastasis mechanisms in melanoma: breaking down the dichotomy. Front Immunol 2024; 15:1336023. [PMID: 38426087 PMCID: PMC10902921 DOI: 10.3389/fimmu.2024.1336023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/24/2024] [Indexed: 03/02/2024] Open
Abstract
Melanoma is one of the most lethal neoplasms of the skin. Despite the revolutionary introduction of immune checkpoint inhibitors, metastatic spread, and recurrence remain critical problems in resistant cases. Melanoma employs a multitude of mechanisms to subvert the immune system and successfully metastasize to distant organs. Concerningly, recent research also shows that tumor cells can disseminate early during melanoma progression and enter dormant states, eventually leading to metastases at a future time. Immune escape and metastasis have previously been viewed as separate phenomena; however, accumulating evidence is breaking down this dichotomy. Recent research into the progressive mechanisms of melanoma provides evidence that dedifferentiation similar to classical epithelial to mesenchymal transition (EMT), genes involved in neural crest stem cell maintenance, and hypoxia/acidosis, are important factors simultaneously involved in immune escape and metastasis. The likeness between EMT and early dissemination, and differences, also become apparent in these contexts. Detailed knowledge of the mechanisms behind "dual drivers" simultaneously promoting metastatically inclined and immunosuppressive environments can yield novel strategies effective in disabling multiple facets of melanoma progression. Furthermore, understanding progression through these drivers may provide insight towards novel treatments capable of preventing recurrence arising from dormant dissemination or improving immunotherapy outcomes.
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Affiliation(s)
- Carl A Shirley
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Gagan Chhabra
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Deeba Amiri
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Hao Chang
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
- William S. Middleton Memorial Veterans Hospital, Madison, WI, United States
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
- William S. Middleton Memorial Veterans Hospital, Madison, WI, United States
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4
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Ju W, Cai HH, Zheng W, Li DM, Zhang W, Yang XH, Yan ZX. Cross‑talk between lymphangiogenesis and malignant melanoma cells: New opinions on tumour drainage and immunization (Review). Oncol Lett 2024; 27:81. [PMID: 38249813 PMCID: PMC10797314 DOI: 10.3892/ol.2024.14215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024] Open
Abstract
Malignant melanoma (MM) is a highly aggressive tumour that can easily metastasize through the lymphatic system at the early stages. Lymph node (LN) involvement and lymphatic vessel (LV) density (LVD) represent a harbinger of an adverse prognosis, indicating a strong link between the state of the lymphatic system and the advancement of MM. Permeable capillary lymphatic vessels are the optimal conduits for melanoma cell (MMC) invasion, and lymphatic endothelial cells (LECs) can also release a variety of chemokines that actively attract MMCs expressing chemokine ligands through a gradient orientation. Moreover, due to the lower oxidative stress environment in the lymph compared with the blood circulation, MMCs are more likely to survive and colonize. The number of LVs surrounding MM is associated with tumour-infiltrating lymphocytes (TILs), which is crucial for the effectiveness of immunotherapy. On the other hand, MMCs can release various endothelial growth factors such as VEGF-C/D-VEGFR3 to mediate LN education and promote lymphangiogenesis. Tumour-derived extracellular vesicles are also used to promote lymphangiogenesis and create a microenvironment that is more conducive to tumour progression. MM is surrounded by a large number of lymphocytes. However, both LECs and MMCs are highly plastic, playing multiple roles in evading immune surveillance. They achieve this by expressing inhibitory ligands or reducing antigen recognition. In recent years, tertiary lymphoid structures have been shown to be associated with response to anti-immune checkpoint therapy, which is often a positive prognostic feature in MM. The present review discusses the interaction between lymphangiogenesis and MM metastasis, and it was concluded that the relationship between LVD and TILs and patient prognosis is analogous to a dynamically tilted scale.
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Affiliation(s)
- Wei Ju
- Department of Burns and Plastic Surgery, The Fourth People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Hong-Hua Cai
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Wei Zheng
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - De-Ming Li
- Department of Burns and Plastic Surgery, The Fourth People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
| | - Wei Zhang
- Department of Burns and Plastic Surgery, The Fourth People's Hospital of Taizhou, Taizhou, Jiangsu 225300, P.R. China
| | - Xi-Hu Yang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
| | - Zhi-Xin Yan
- Department of Burns and Plastic Surgery, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu 212000, P.R. China
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5
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Stanger BZ, Wahl GM. Cancer as a Disease of Development Gone Awry. ANNUAL REVIEW OF PATHOLOGY 2024; 19:397-421. [PMID: 37832945 DOI: 10.1146/annurev-pathmechdis-031621-025610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
In the 160 years since Rudolf Virchow first postulated that neoplasia arises by the same law that regulates embryonic development, scientists have come to recognize the striking overlap between the molecular and cellular programs used by cancers and embryos. Advances in cancer biology and molecular techniques have further highlighted the similarities between carcinogenesis and embryogenesis, where cellular growth, differentiation, motility, and intercellular cross talk are mediated by common drivers and regulatory networks. This review highlights the many connections linking cancer biology and developmental biology to provide a deeper understanding of how a tissue's developmental history may both enable and constrain cancer cell evolution.
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Affiliation(s)
- Ben Z Stanger
- Division of Gastroenterology, Department of Medicine, Abramson Family Cancer Research Institute, and Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA;
| | - Geoffrey M Wahl
- Gene Expression Laboratory, The Salk Institute for Biological Studies, La Jolla, California, USA;
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6
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Ghorani E, Swanton C, Quezada SA. Cancer cell-intrinsic mechanisms driving acquired immune tolerance. Immunity 2023; 56:2270-2295. [PMID: 37820584 DOI: 10.1016/j.immuni.2023.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 10/13/2023]
Abstract
Immune evasion is a hallmark of cancer, enabling tumors to survive contact with the host immune system and evade the cycle of immune recognition and destruction. Here, we review the current understanding of the cancer cell-intrinsic factors driving immune evasion. We focus on T cells as key effectors of anti-cancer immunity and argue that cancer cells evade immune destruction by gaining control over pathways that usually serve to maintain physiological tolerance to self. Using this framework, we place recent mechanistic advances in the understanding of cancer immune evasion into broad categories of control over T cell localization, antigen recognition, and acquisition of optimal effector function. We discuss the redundancy in the pathways involved and identify knowledge gaps that must be overcome to better target immune evasion, including the need for better, routinely available tools that incorporate the growing understanding of evasion mechanisms to stratify patients for therapy and trials.
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Affiliation(s)
- Ehsan Ghorani
- Cancer Immunology and Immunotherapy Unit, Department of Surgery and Cancer, Imperial College London, London, UK; Department of Medical Oncology, Imperial College London Hospitals, London, UK.
| | - Charles Swanton
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK; Department of Oncology, University College London Hospitals, London, UK
| | - Sergio A Quezada
- Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Cancer Immunology Unit, Research Department of Hematology, University College London Cancer Institute, London, UK.
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7
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Chen X, Lu Q, Zhou H, Liu J, Nadorp B, Lasry A, Sun Z, Lai B, Rona G, Zhang J, Cammer M, Wang K, Al-Santli W, Ciantra Z, Guo Q, You J, Sengupta D, Boukhris A, Zhang H, Liu C, Cresswell P, Dahia PLM, Pagano M, Aifantis I, Wang J. A membrane-associated MHC-I inhibitory axis for cancer immune evasion. Cell 2023; 186:3903-3920.e21. [PMID: 37557169 PMCID: PMC10961051 DOI: 10.1016/j.cell.2023.07.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 05/30/2023] [Accepted: 07/11/2023] [Indexed: 08/11/2023]
Abstract
Immune-checkpoint blockade has revolutionized cancer treatment, but some cancers, such as acute myeloid leukemia (AML), do not respond or develop resistance. A potential mode of resistance is immune evasion of T cell immunity involving aberrant major histocompatibility complex class I (MHC-I) antigen presentation (AP). To map such mechanisms of resistance, we identified key MHC-I regulators using specific peptide-MHC-I-guided CRISPR-Cas9 screens in AML. The top-ranked negative regulators were surface protein sushi domain containing 6 (SUSD6), transmembrane protein 127 (TMEM127), and the E3 ubiquitin ligase WWP2. SUSD6 is abundantly expressed in AML and multiple solid cancers, and its ablation enhanced MHC-I AP and reduced tumor growth in a CD8+ T cell-dependent manner. Mechanistically, SUSD6 forms a trimolecular complex with TMEM127 and MHC-I, which recruits WWP2 for MHC-I ubiquitination and lysosomal degradation. Together with the SUSD6/TMEM127/WWP2 gene signature, which negatively correlates with cancer survival, our findings define a membrane-associated MHC-I inhibitory axis as a potential therapeutic target for both leukemia and solid cancers.
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Affiliation(s)
- Xufeng Chen
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Qiao Lu
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Hua Zhou
- Applied Bioinformatics Laboratories, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Jia Liu
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Bettina Nadorp
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Audrey Lasry
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Zhengxi Sun
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Baoling Lai
- Department of Neuroscience and Physiology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Gergely Rona
- The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA; Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA; Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Jiangyan Zhang
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Michael Cammer
- Microscopy Core, Division of Advanced Research Technologies, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Kun Wang
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Wafa Al-Santli
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Zoe Ciantra
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Qianjin Guo
- Department of Medicine, Division of Hematology and Medical Oncology, Mays Cancer Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Jia You
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | - Debrup Sengupta
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Ahmad Boukhris
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA
| | | | - Cheng Liu
- Eureka Therapeutics Inc., Emeryville, CA 94608, USA
| | - Peter Cresswell
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06519, USA
| | - Patricia L M Dahia
- Department of Medicine, Division of Hematology and Medical Oncology, Mays Cancer Center, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Michele Pagano
- The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA; Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA; Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Iannis Aifantis
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA.
| | - Jun Wang
- Department of Pathology, New York University Grossman School of Medicine, New York, NY 10016, USA; The Laura and Isaac Perlmutter Cancer Center, New York University Langone Health, New York, NY 10016, USA.
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Thomas JA, Gireesh Moly AG, Xavier H, Suboj P, Ladha A, Gupta G, Singh SK, Palit P, Babykutty S. Enhancement of immune surveillance in breast cancer by targeting hypoxic tumor endothelium: Can it be an immunological switch point? Front Oncol 2023; 13:1063051. [PMID: 37056346 PMCID: PMC10088512 DOI: 10.3389/fonc.2023.1063051] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 02/17/2023] [Indexed: 03/30/2023] Open
Abstract
Breast cancer ranks second among the causes of cancer-related deaths in women. In spite of the recent advances achieved in the diagnosis and treatment of breast cancer, further study is required to overcome the risk of cancer resistance to treatment and thereby improve the prognosis of individuals with advanced-stage breast cancer. The existence of a hypoxic microenvironment is a well-known event in the development of mutagenesis and rapid proliferation of cancer cells. Tumor cells, purposefully cause local hypoxia in order to induce angiogenesis and growth factors that promote tumor growth and metastatic characteristics, while healthy tissue surrounding the tumor suffers damage or mutate. It has been found that these settings with low oxygen levels cause immunosuppression and a lack of immune surveillance by reducing the activation and recruitment of tumor infiltrating leukocytes (TILs). The immune system is further suppressed by hypoxic tumor endothelium through a variety of ways, which creates an immunosuppressive milieu in the tumor microenvironment. Non responsiveness of tumor endothelium to inflammatory signals or endothelial anergy exclude effector T cells from the tumor milieu. Expression of endothelial specific antigens and immunoinhibitory molecules like Programmed death ligand 1,2 (PDL-1, 2) and T cell immunoglobulin and mucin-domain containing-3 (TIM-3) by tumor endothelium adds fuel to the fire by inhibiting T lymphocytes while promoting regulatory T cells. The hypoxic microenvironment in turn recruits Myeloid Derived Suppressor Cells (MDSCs), Tumor Associated Macrophages (TAMs) and T regulatory cells (Treg). The structure and function of newly generated blood vessels within tumors, on the other hand, are aberrant, lacking the specific organization of normal tissue vasculature. Vascular normalisation may work for a variety of tumour types and show to be an advantageous complement to immunotherapy for improving tumour access. By enhancing immune response in the hypoxic tumor microenvironment, via immune-herbal therapeutic and immune-nutraceuticals based approaches that leverage immunological evasion of tumor, will be briefly reviewed in this article. Whether these tactics may be the game changer for emerging immunological switch point to attenuate the breast cancer growth and prevent metastatic cell division, is the key concern of the current study.
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Affiliation(s)
- Juvin Ann Thomas
- Centre for Tumor Immunology and Microenvironment, Department of Zoology, Mar Ivanios College, Nalanchira, Thiruvananthapuram, Kerala, India
| | - Athira Gireesh Gireesh Moly
- Centre for Tumor Immunology and Microenvironment, Department of Zoology, Mar Ivanios College, Nalanchira, Thiruvananthapuram, Kerala, India
| | - Hima Xavier
- Centre for Tumor Immunology and Microenvironment, Department of Zoology, Mar Ivanios College, Nalanchira, Thiruvananthapuram, Kerala, India
| | - Priya Suboj
- Department of Botany and Biotechnology, St. Xaviers College, Thumba, Thiruvananthapuram, Kerala, India
| | - Amit Ladha
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, West-Midlands, United Kingdom
| | - Gaurav Gupta
- Department of Immunology, University of Manitoba, Winnipeg, MB, Canada
| | - Santosh Kumar Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Partha Palit
- Drug Discovery Research Laboratory, Assam University, Silchar, Department of Pharmaceutical Sciences, Assam, India
| | - Suboj Babykutty
- Centre for Tumor Immunology and Microenvironment, Department of Zoology, Mar Ivanios College, Nalanchira, Thiruvananthapuram, Kerala, India
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9
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Yu L, Yu M, Chen W, Sun S, Huang W, Wang T, Peng Z, Luo Z, Fang Y, Li Y, Deng Y, Wu M, Tao W. In Situ Separable Nanovaccines with Stealthy Bioadhesive Capability for Durable Cancer Immunotherapy. J Am Chem Soc 2023. [PMID: 36930579 DOI: 10.1021/jacs.2c12986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Because of tumor heterogeneity and the immunosuppressive tumor microenvironment, most cancer vaccines typically do not elicit robust antitumor immunological responses in clinical trials. In this paper, we report findings about a bioadhesive nanoparticle (BNP)-based separable cancer vaccine, FeSHK@B-ovalbumin (OVA), to target multi-epitope antigens and exert effective cancer immunotherapy. After the FeSHK@B-OVA "nanorocket" initiates the "satellite-rocket separation" procedure in the acidic tumor microenvironment, the FeSHK@B "launch vehicle" can amplify intracellular oxidative stress persistently. This procedure allows for bioadhesiveness-mediated prolonged drug retention within the tumor tissue and triggers the immunogenic death of tumor cells that transforms the primary tumors into antigen depots, which acts synergistically with the OVA "satellite" to trigger robust antigen-specific antitumor immunity. The cooperation of these two immunostimulants not only efficiently inhibits the primary tumor growth and provokes durable antigen-specific immune activation in vivo but also activates a long-term and robust immune memory effect to resist tumor rechallenge and metastasis. These results highlight the enormous potential of FeSHK@B-OVA to serve as an excellent therapeutic and prophylactic cancer nanovaccine. By leveraging the antigen depots in situ and the synergistic effect among multi-epitope antigens, such a nanovaccine strategy with stealthy bioadhesion may offer a straightforward and efficient approach to developing various cancer vaccines for different types of tumors.
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Affiliation(s)
- Liu Yu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Mian Yu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Wei Chen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Shengjie Sun
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Wenxin Huang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Tianqi Wang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Zhangwen Peng
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Zewen Luo
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Yixuan Fang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Yongjiang Li
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Yang Deng
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Meiying Wu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, P. R. China
| | - Wei Tao
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
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10
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Chesney J, Lewis KD, Kluger H, Hamid O, Whitman E, Thomas S, Wermke M, Cusnir M, Domingo-Musibay E, Phan GQ, Kirkwood JM, Hassel JC, Orloff M, Larkin J, Weber J, Furness AJS, Khushalani NI, Medina T, Egger ME, Graf Finckenstein F, Jagasia M, Hari P, Sulur G, Shi W, Wu X, Sarnaik A. Efficacy and safety of lifileucel, a one-time autologous tumor-infiltrating lymphocyte (TIL) cell therapy, in patients with advanced melanoma after progression on immune checkpoint inhibitors and targeted therapies: pooled analysis of consecutive cohorts of the C-144-01 study. J Immunother Cancer 2022; 10:jitc-2022-005755. [PMID: 36600653 PMCID: PMC9748991 DOI: 10.1136/jitc-2022-005755] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Patients with advanced melanoma have limited treatment options after progression on immune checkpoint inhibitors (ICI). Lifileucel, a one-time autologous tumor-infiltrating lymphocyte (TIL) cell therapy, demonstrated an investigator-assessed objective response rate (ORR) of 36% in 66 patients who progressed after ICI and targeted therapy. Herein, we report independent review committee (IRC)-assessed outcomes of 153 patients treated with lifileucel in a large multicenter Phase 2 cell therapy trial in melanoma. METHODS Eligible patients had advanced melanoma that progressed after ICI and targeted therapy, where appropriate. Melanoma lesions were resected (resected tumor diameter ≥1.5 cm) and shipped to a central good manufacturing practice facility for 22-day lifileucel manufacturing. Patients received a non-myeloablative lymphodepletion regimen, a single lifileucel infusion, and up to six doses of high-dose interleukin-2. The primary endpoint was IRC-assessed ORR (Response Evaluation Criteria in Solid Tumors V.1.1). RESULTS The Full Analysis Set consisted of 153 patients treated with lifileucel, including longer-term follow-up on the 66 patients previously reported. Patients had received a median of 3.0 lines of prior therapy (81.7% received both anti-programmed cell death protein 1 and anti-cytotoxic lymphocyte-associated protein 4) and had high disease burden at baseline (median target lesion sum of diameters (SOD): 97.8 mm; lactate dehydrogenase (LDH) >upper limit of normal: 54.2%). ORR was 31.4% (95% CI: 24.1% to 39.4%), with 8 complete responses and 40 partial responses. Median duration of response was not reached at a median study follow-up of 27.6 months, with 41.7% of the responses maintained for ≥18 months. Median overall survival and progression-free survival were 13.9 and 4.1 months, respectively. Multivariable analyses adjusted for Eastern Cooperative Oncology Group performance status demonstrated that elevated LDH and target lesion SOD >median were independently correlated with ORR (p=0.008); patients with normal LDH and SOD <median had greater likelihood of response than those with either (OR=2.08) or both (OR=4.42) risk factors. The most common grade 3/4 treatment-emergent adverse events (≥30%) were thrombocytopenia (76.9%), anemia (50.0%), and febrile neutropenia (41.7%). CONCLUSIONS Investigational lifileucel demonstrated clinically meaningful activity in heavily pretreated patients with advanced melanoma and high tumor burden. Durable responses and a favorable safety profile support the potential benefit of one-time lifileucel TIL cell therapy in patients with limited treatment options in ICI-refractory disease.
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Affiliation(s)
- Jason Chesney
- Department of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Karl D Lewis
- Medical Oncology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, USA
| | - Harriet Kluger
- Medical Oncology, Hematology & Oncology, Melanoma and Onco-Dermatology, Genitourinary Oncology, Yale New Haven Health Smilow Cancer Hospital, New Haven, Connecticut, USA
| | - Omid Hamid
- Hematology Oncology, The Angeles Clinic and Research Institute, a Cedars-Sinai Affiliate, Los Angeles, California, USA
| | - Eric Whitman
- Atlantic Health System Cancer Care, Morristown, New Jersey, USA
| | - Sajeve Thomas
- Hematology and Oncology, Orlando Health Cancer Institute, Orlando, Florida, USA
| | - Martin Wermke
- Technische Universität Dresden - NCT/UCC Early Clinical Trial Unit, Dresden, Sachsen, Germany
| | - Mike Cusnir
- Division of Hematology & Oncology, Mount Sinai Medical Center, Miami Beach, Florida, USA
| | - Evidio Domingo-Musibay
- Division of Hematology, Oncology and Transplantation, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Giao Q Phan
- Surgery, Virginia Commonwealth University, Massey Cancer Center, Richmond, Virginia, USA
| | - John M Kirkwood
- Medicine, Dermatology and Translational Science, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jessica C Hassel
- Skin Cancer Center, Universität Heidelberg, Heidelberg, Baden-Württemberg, Germany
| | - Marlana Orloff
- Thomas Jefferson University Sidney Kimmel Cancer Center, Philadelphia, Pennsylvania, USA
| | - James Larkin
- The Royal Marsden NHS Foundation Trust, London, UK
| | - Jeffrey Weber
- Department of Medicine, Laura and Isaac Perlmutter Cancer Center, NYU Langone Health, New York, New York, USA
| | | | - Nikhil I Khushalani
- Department of Cutaneous Oncology, H Lee Moffitt Cancer Center, Tampa, Florida, USA
| | - Theresa Medina
- Medical Oncology, University of Colorado - Anschutz Medical Campus, Aurora, Colorado, USA
| | - Michael E Egger
- Department of Medicine, University of Louisville, Louisville, Kentucky, USA
| | | | - Madan Jagasia
- Iovance Biotherapeutics Inc, San Carlos, California, USA
| | | | - Giri Sulur
- Iovance Biotherapeutics Inc, San Carlos, California, USA
| | - Wen Shi
- Iovance Biotherapeutics Inc, San Carlos, California, USA
| | - Xiao Wu
- Iovance Biotherapeutics Inc, San Carlos, California, USA
| | - Amod Sarnaik
- Department of Cutaneous Oncology, H Lee Moffitt Cancer Center, Tampa, Florida, USA
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11
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Morante M, Pandiella A, Crespo P, Herrero A. Immune Checkpoint Inhibitors and RAS-ERK Pathway-Targeted Drugs as Combined Therapy for the Treatment of Melanoma. Biomolecules 2022; 12:1562. [PMID: 36358912 PMCID: PMC9687808 DOI: 10.3390/biom12111562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/13/2022] [Accepted: 10/20/2022] [Indexed: 08/08/2023] Open
Abstract
Metastatic melanoma is a highly immunogenic tumor with very poor survival rates due to immune system escape-mechanisms. Immune checkpoint inhibitors (ICIs) targeting the cytotoxic T-lymphocyte-associated protein 4 (CTLA4) and the programmed death-1 (PD1) receptors, are being used to impede immune evasion. This immunotherapy entails an increment in the overall survival rates. However, melanoma cells respond with evasive molecular mechanisms. ERK cascade inhibitors are also used in metastatic melanoma treatment, with the RAF activity blockade being the main therapeutic approach for such purpose, and in combination with MEK inhibitors improves many parameters of clinical efficacy. Despite their efficacy in inhibiting ERK signaling, the rewiring of the melanoma cell-signaling results in disease relapse, constituting the reinstatement of ERK activation, which is a common cause of some resistance mechanisms. Recent studies revealed that the combination of RAS-ERK pathway inhibitors and ICI therapy present promising advantages for metastatic melanoma treatment. Here, we present a recompilation of the combined therapies clinically evaluated in patients.
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Affiliation(s)
- Marta Morante
- Instituto de Biomedicina y Biotecnología de Cantabria (IBBTEC), Consejo Superior de Investigaciones Científicas (CSIC)—Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, 28009 Madrid, Spain
| | - Atanasio Pandiella
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, 28009 Madrid, Spain
- Centro de Investigación del Cáncer, Consejo Superior de Investigaciones Científicas (CSIC)—Universidad de Salamanca and IBSAL, 37007 Salamanca, Spain
| | - Piero Crespo
- Instituto de Biomedicina y Biotecnología de Cantabria (IBBTEC), Consejo Superior de Investigaciones Científicas (CSIC)—Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, 28009 Madrid, Spain
| | - Ana Herrero
- Instituto de Biomedicina y Biotecnología de Cantabria (IBBTEC), Consejo Superior de Investigaciones Científicas (CSIC)—Universidad de Cantabria, 39011 Santander, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, 28009 Madrid, Spain
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12
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Surgical Considerations for Tumor Tissue Procurement to Obtain Tumor-Infiltrating Lymphocytes for Adoptive Cell Therapy. Cancer J 2022; 28:285-293. [PMID: 35880938 PMCID: PMC9335895 DOI: 10.1097/ppo.0000000000000608] [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] [Indexed: 12/19/2022]
Abstract
ABSTRACT Adoptive cell therapy with tumor-infiltrating lymphocytes (TILs), an investigational cellular therapy, has demonstrated antitumor efficacy in patients with advanced solid tumors, including melanoma. Tumor-infiltrating lymphocyte cell therapy involves surgical resection of a patient's tumor, ex vivo TIL expansion under conditions that overcome immunosuppressive responses elicited by the tumor and the tumor microenvironment, administration of a lymphodepleting regimen, and infusion of the final TIL cell therapy product back into the patient followed by interleukin 2 administration to support T-cell activity. The surgeon plays a central role in patient identification and tumor selection-steps that are critical for successful outcomes of TIL cell therapy. Commercialization of TIL cell therapy and its broader access to patients will require education and collaboration among surgeons, oncologists, and cellular therapists. This review highlights the unique role that surgeons will play in the implementation of TIL cell therapy and serves as a contemporary report of best practices for patient selection and tumor resection methods.
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13
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Mercier R, LaPointe P. The role of cellular proteostasis in anti-tumor immunity. J Biol Chem 2022; 298:101930. [PMID: 35421375 PMCID: PMC9108985 DOI: 10.1016/j.jbc.2022.101930] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/21/2022] [Accepted: 03/31/2022] [Indexed: 12/25/2022] Open
Abstract
Immune checkpoint blockade therapy is perhaps the most important development in cancer treatment in recent memory. It is based on decades of investigation into the biology of immune cells and the role of the immune system in controlling cancer growth. While the molecular circuitry that governs the immune system in general - and anti-tumor immunity in particular - is intensely studied, far less attention has been paid to the role of cellular stress in this process. Proteostasis, intimately linked to cell stress responses, refers to the dynamic regulation of the cellular proteome and is maintained through a complex network of systems that govern the synthesis, folding, and degradation of proteins in the cell. Disruption of these systems can result in the loss of protein function, altered protein function, the formation of toxic aggregates, or pathologies associated with cell stress. However, the importance of proteostasis extends beyond its role in maintaining proper protein function; proteostasis governs how tolerant cells may be to mutations in protein coding genes and the overall half-life of proteins. Such gene expression changes may be associated with human diseases including neurodegenerative diseases, metabolic disease, and cancer and manifest at the protein level against the backdrop of the proteostasis network in any given cellular environment. In this review, we focus on the role of proteostasis in regulating immune responses against cancer as well the role of proteostasis in determining immunogenicity of cancer cells.
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Affiliation(s)
- Rebecca Mercier
- Department of Cell Biology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Paul LaPointe
- Department of Cell Biology, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, Canada.
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14
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Insignificant effects of loss of heterozygosity in HLA in the efficacy of immune checkpoint blockade treatment. Genes Genomics 2022; 44:509-515. [PMID: 35107815 PMCID: PMC8921140 DOI: 10.1007/s13258-021-01207-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 11/11/2022]
Abstract
Background It is assumed that loss of heterozygosity and allelic copy loss in HLA gene is associated with poor response rates in immune checkpoint inhibitor treatment. H-owever, the accurate extents or consistency in cancer types have not been explored. Objective The goal of this study is to investigate quantitative relationship between HLA allelic copy loss and response rates to immune checkpoint inhibitors. Also, tumor microenvironment was computationally assessed in the tumors with HLA copy loss to provide potential mechanisms for the relationships. Method A total of 282 whole exome sequencing data from three cohorts of patients who received immune checkpoint blockade immunotherapy were analyzed, including Anti-PDL1 treated in metastatic urothelial cancer (N = 216), anti-PD1 treated metastatic melanoma (N = 26), and anti-CTLA4 treated metastatic melanoma (N = 39). The LOHHLA algorithm was used to calculate allelic copy number loss at each HLA-A, -B, and -C locus, and further determine HLA allelic copy loss status. The HLA copy status and ICB response rates were analyzed for association using Fisher’s exact test. The CIBERSORT-absolute algorithm was then used to analyze the patient's immune environment, which represented loss of heterozygosity, using paired matched RNA sequencing data. Results Unlike the general expectation, HLA allelic copy loss was not significantly associated with the ICB responses. Moreover, the relationship showed a reversed relationship in HLA-A in the urothelial cancer (better ICB response in HLA copy loss). Regardless of the HLA copy status, the proportion of cytotoxic immune cells in the immune environment of patients was correlated with ICB response, which was higher in the loss of heterozygosity group in the urothelial cohort. Conclusion Although the loss of heterozygosity in HLA was generally expected to be an inhibitory factor in the immune treatment response by causing T cell immune evasion, our analysis demonstrates no explicit relationships. Supplementary Information The online version contains supplementary material available at 10.1007/s13258-021-01207-8.
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15
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DePalo DK, Tarhini A, Zager JS. The treatment of advanced melanoma: a review of systemic and local therapies in combination with immune checkpoint inhibitors in phase 1 and 2 clinical trials. Expert Opin Investig Drugs 2022; 31:95-104. [PMID: 34996314 DOI: 10.1080/13543784.2022.2027366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION While the incidence of melanoma continues to rise, the mortality of the disease appears to have stabilized. This may, in part, be due to the development and application of immune checkpoint inhibitors as standard of care in advanced melanoma. However, many patients do not respond to these therapies alone. Combining immune checkpoint inhibitors with other classes of therapeutics appears to be a promising direction to improve response and survival in advanced melanoma. AREAS COVERED This review article aims to discuss phase 1 and 2 clinical trials examining immune checkpoint inhibitors in combination therapy for the treatment of advanced, unresectable melanoma. In particular, these regimens include various kinase inhibitors, tumor-infiltrating lymphocytes, toll-like receptor agonists, cytokines, and oncolytic viral therapies. The combinations under discussion include both systemic and combination systemic/local therapies. EXPERT OPINION Drug combinations discussed here appear to be promising therapeutic regimens for advanced melanoma. Improved understanding of the mechanisms of primary, adaptive, and acquired resistance to immune checkpoint inhibitors may guide the development of future combination regimens.
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Affiliation(s)
- Danielle K DePalo
- Department of Cutaneous Oncology, Moffitt Cancer Center, Tampa, FL, USA
| | - Ahmad Tarhini
- Department of Cutaneous Oncology, Moffitt Cancer Center, Tampa, FL, USA
| | - Jonathan S Zager
- Department of Cutaneous Oncology, Moffitt Cancer Center, Tampa, FL, USA
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16
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Enhancing adoptive CD8 T cell therapy by systemic delivery of tumor associated antigens. Sci Rep 2021; 11:19794. [PMID: 34611284 PMCID: PMC8492729 DOI: 10.1038/s41598-021-99347-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/12/2021] [Indexed: 12/30/2022] Open
Abstract
Adoptive T-cell transfer (ACT) offers a curative therapeutic option for subsets of melanoma and hematological cancer patients. To increase response rates and broaden the applicability of ACT, it is necessary to improve the post-infusion performance of the transferred T cells. The design of improved treatment strategies includes transfer of cells with a less differentiated phenotype. Such T cell subsets have high proliferative potential but require stimulatory signals in vivo to differentiate into tumor-reactive effector T cells. Thus, combination strategies are needed to support the therapeutic implementation of less differentiated T cells. Here we show that systemic delivery of tumor-associated antigens (TAAs) facilitates in vivo priming and expansion of previously non-activated T cells and enhance the cytotoxicity of activated T cells. To achieve this in vivo priming, we use flexible delivery vehicles of TAAs and a TLR7/8 agonist. Contrasting subcutaneous delivery systems, these vehicles accumulate TAAs in the spleen, thereby achieving close proximity to both cross-presenting dendritic cells and transferred T cells, resulting in robust T-cell expansion and anti-tumor reactivity. This TAA delivery platform offers a strategy to safely potentiate the post-infusion performance of T cells using low doses of antigen and TLR7/8 agonist, and thereby enhance the effect of ACT.
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17
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Hossain SM, Lynch-Sutherland CF, Chatterjee A, Macaulay EC, Eccles MR. Can Immune Suppression and Epigenome Regulation in Placenta Offer Novel Insights into Cancer Immune Evasion and Immunotherapy Resistance? EPIGENOMES 2021; 5:16. [PMID: 34968365 PMCID: PMC8594685 DOI: 10.3390/epigenomes5030016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/18/2021] [Accepted: 07/22/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer is the second leading cause of mortality and morbidity in the developed world. Cancer progression involves genetic and epigenetic alterations, accompanied by aggressive changes, such as increased immune evasion, onset of metastasis, and drug resistance. Similar to cancer, DNA hypomethylation, immune suppression, and invasive cell behaviours are also observed in the human placenta. Mechanisms that lead to the acquisition of invasive behaviour, immune evasion, and drug and immunotherapy resistance are presently under intense investigations to improve patient outcomes. Here, we review current knowledge regarding the similarities between immune suppression and epigenome regulation, including the expression of repetitive elements (REs), endogenous retroviruses (ERVs) and transposable elements (TEs) in cells of the placenta and in cancer, which are associated with changes in immune regulation and invasiveness. We explore whether immune suppression and epigenome regulation in placenta offers novel insights into immunotherapy resistance in cancer, and we also discuss the implications and the knowledge gaps relevant to these findings, which are rapidly being accrued in these quite disparate research fields. Finally, we discuss potential linkages between TE, ERV and RE activation and expression, regarding mechanisms of immune regulation in placenta and cancer. A greater understanding of the role of immune suppression and associated epigenome regulation in placenta could help to elucidate some comparable mechanisms operating in cancer, and identify potential new therapeutic targets for treating cancer.
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Affiliation(s)
- Sultana Mehbuba Hossain
- Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9054, New Zealand; (S.M.H.); (C.F.L.-S.); (A.C.); (E.C.M.)
| | - Chiemi F. Lynch-Sutherland
- Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9054, New Zealand; (S.M.H.); (C.F.L.-S.); (A.C.); (E.C.M.)
| | - Aniruddha Chatterjee
- Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9054, New Zealand; (S.M.H.); (C.F.L.-S.); (A.C.); (E.C.M.)
- Maurice Wilkins Centre for Molecular Biodiscovery, Level 2, 3A Symonds Street, Auckland 1010, New Zealand
| | - Erin C. Macaulay
- Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9054, New Zealand; (S.M.H.); (C.F.L.-S.); (A.C.); (E.C.M.)
| | - Michael R. Eccles
- Department of Pathology, Dunedin School of Medicine, University of Otago, Dunedin 9054, New Zealand; (S.M.H.); (C.F.L.-S.); (A.C.); (E.C.M.)
- Maurice Wilkins Centre for Molecular Biodiscovery, Level 2, 3A Symonds Street, Auckland 1010, New Zealand
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18
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Sarnaik AA, Hamid O, Khushalani NI, Lewis KD, Medina T, Kluger HM, Thomas SS, Domingo-Musibay E, Pavlick AC, Whitman ED, Martin-Algarra S, Corrie P, Curti BD, Oláh J, Lutzky J, Weber JS, Larkin JMG, Shi W, Takamura T, Jagasia M, Qin H, Wu X, Chartier C, Graf Finckenstein F, Fardis M, Kirkwood JM, Chesney JA. Lifileucel, a Tumor-Infiltrating Lymphocyte Therapy, in Metastatic Melanoma. J Clin Oncol 2021; 39:2656-2666. [PMID: 33979178 PMCID: PMC8376325 DOI: 10.1200/jco.21.00612] [Citation(s) in RCA: 139] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Effective treatment options are limited for patients with advanced (metastatic or unresectable) melanoma who progress after immune checkpoint inhibitors and targeted therapies. Adoptive cell therapy using tumor-infiltrating lymphocytes has demonstrated efficacy in advanced melanoma. Lifileucel is an autologous, centrally manufactured tumor-infiltrating lymphocyte product.
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Affiliation(s)
| | - Omid Hamid
- The Angeles Clinic and Research Institute, A Cedars Sinai Affiliate, Los Angeles, CA
| | | | - Karl D Lewis
- University of Colorado Cancer Center-Anschutz Medical Campus, Aurora, CO
| | - Theresa Medina
- University of Colorado Cancer Center-Anschutz Medical Campus, Aurora, CO
| | - Harriet M Kluger
- Yale University School of Medicine, Smilow Cancer Center, New Haven Hospital, New Haven, CT
| | - Sajeve S Thomas
- University of Florida Health Cancer Center at Orlando Health, Orlando, FL
| | - Evidio Domingo-Musibay
- Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, MN
| | - Anna C Pavlick
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Medical Center, New York, NY
| | | | | | - Pippa Corrie
- Cambridge University Hospitals NHS Foundation Trust-Addenbrooke's Hospital, Cambridge, United Kingdom
| | - Brendan D Curti
- Earle A. Chiles Research Institute at Robert W. Franz Cancer Center, Providence Cancer Institute, Portland, OR
| | - Judit Oláh
- University of Szeged-Albert Szent-Györgyi Health Center, Szeged, Hungary
| | - Jose Lutzky
- Mount Sinai Comprehensive Cancer Center, Miami, FL
| | - Jeffrey S Weber
- Laura and Isaac Perlmutter Cancer Center, NYU Langone Medical Center, New York, NY
| | | | - Wen Shi
- Iovance Biotherapeutics Inc, San Carlos, CA
| | | | | | - Harry Qin
- Iovance Biotherapeutics Inc, San Carlos, CA
| | - Xiao Wu
- Iovance Biotherapeutics Inc, San Carlos, CA
| | | | | | | | - John M Kirkwood
- Hillman Cancer Center, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Jason A Chesney
- James Graham Brown Cancer Center, University of Louisville, Louisville, KY
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Jhunjhunwala S, Hammer C, Delamarre L. Antigen presentation in cancer: insights into tumour immunogenicity and immune evasion. Nat Rev Cancer 2021; 21:298-312. [PMID: 33750922 DOI: 10.1038/s41568-021-00339-z] [Citation(s) in RCA: 575] [Impact Index Per Article: 191.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/01/2021] [Indexed: 01/31/2023]
Abstract
Immune checkpoint blockade, which blocks inhibitory signals of T cell activation, has shown tremendous success in treating cancer, although success still remains limited to a fraction of patients. To date, clinically effective CD8+ T cell responses appear to target predominantly antigens derived from tumour-specific mutations that accumulate in cancer, also called neoantigens. Tumour antigens are displayed on the surface of cells by class I human leukocyte antigens (HLA-I). To elicit an effective antitumour response, antigen presentation has to be successful at two distinct events: first, cancer antigens have to be taken up by dendritic cells (DCs) and cross-presented for CD8+ T cell priming. Second, the antigens have to be directly presented by the tumour for recognition by primed CD8+ T cells and killing. Tumours exploit multiple escape mechanisms to evade immune recognition at both of these steps. Here, we review the tumour-derived factors modulating DC function, and we summarize evidence of immune evasion by means of quantitative modulation or qualitative alteration of the antigen repertoire presented on tumours. These mechanisms include modulation of antigen expression, HLA-I surface levels, alterations in the antigen processing and presentation machinery in tumour cells. Lastly, as complete abrogation of antigen presentation can lead to natural killer (NK) cell-mediated tumour killing, we also discuss how tumours can harbour antigen presentation defects and still evade NK cell recognition.
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20
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Fu Z, Mowday AM, Smaill JB, Hermans IF, Patterson AV. Tumour Hypoxia-Mediated Immunosuppression: Mechanisms and Therapeutic Approaches to Improve Cancer Immunotherapy. Cells 2021; 10:1006. [PMID: 33923305 PMCID: PMC8146304 DOI: 10.3390/cells10051006] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 01/05/2023] Open
Abstract
The magnitude of the host immune response can be regulated by either stimulatory or inhibitory immune checkpoint molecules. Receptor-ligand binding between inhibitory molecules is often exploited by tumours to suppress anti-tumour immune responses. Immune checkpoint inhibitors that block these inhibitory interactions can relieve T-cells from negative regulation, and have yielded remarkable activity in the clinic. Despite this success, clinical data reveal that durable responses are limited to a minority of patients and malignancies, indicating the presence of underlying resistance mechanisms. Accumulating evidence suggests that tumour hypoxia, a pervasive feature of many solid cancers, is a critical phenomenon involved in suppressing the anti-tumour immune response generated by checkpoint inhibitors. In this review, we discuss the mechanisms associated with hypoxia-mediate immunosuppression and focus on modulating tumour hypoxia as an approach to improve immunotherapy responsiveness.
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Affiliation(s)
- Zhe Fu
- Malaghan Institute of Medical Research, Wellington 6042, New Zealand; (Z.F.); (I.F.H.)
- Maurice Wilkins Centre for Molecular Biodiscovery, Auckland, University of Auckland, Auckland 1142, New Zealand; (A.M.M.); (J.B.S.)
| | - Alexandra M. Mowday
- Maurice Wilkins Centre for Molecular Biodiscovery, Auckland, University of Auckland, Auckland 1142, New Zealand; (A.M.M.); (J.B.S.)
- Auckland Cancer Society Research Centre, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Jeff B. Smaill
- Maurice Wilkins Centre for Molecular Biodiscovery, Auckland, University of Auckland, Auckland 1142, New Zealand; (A.M.M.); (J.B.S.)
- Auckland Cancer Society Research Centre, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Ian F. Hermans
- Malaghan Institute of Medical Research, Wellington 6042, New Zealand; (Z.F.); (I.F.H.)
- Maurice Wilkins Centre for Molecular Biodiscovery, Auckland, University of Auckland, Auckland 1142, New Zealand; (A.M.M.); (J.B.S.)
| | - Adam V. Patterson
- Maurice Wilkins Centre for Molecular Biodiscovery, Auckland, University of Auckland, Auckland 1142, New Zealand; (A.M.M.); (J.B.S.)
- Auckland Cancer Society Research Centre, School of Medical Sciences, University of Auckland, Auckland 1142, New Zealand
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21
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Lee MY, Robbins Y, Sievers C, Friedman J, Abdul Sater H, Clavijo PE, Judd N, Tsong E, Silvin C, Soon-Shiong P, Padget MR, Schlom J, Hodge J, Hinrichs C, Allen C. Chimeric antigen receptor engineered NK cellular immunotherapy overcomes the selection of T-cell escape variant cancer cells. J Immunother Cancer 2021; 9:e002128. [PMID: 33741731 PMCID: PMC7986659 DOI: 10.1136/jitc-2020-002128] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND As heterogeneous tumors develop in the face of intact immunity, tumor cells harboring genomic or expression defects that favor evasion from T-cell detection or elimination are selected. For patients with such tumors, T cell-based immunotherapy alone infrequently results in durable tumor control. METHODS Here, we developed experimental models to study mechanisms of T-cell escape and demonstrated that resistance to T-cell killing can be overcome by the addition of natural killer (NK) cells engineered to express a chimeric antigen receptor (CAR) targeting programmed death ligand-1 (PD-L1). RESULTS In engineered models of tumor heterogeneity, PD-L1 CAR-engineered NK cells (PD-L1 t-haNKs) prevented the clonal selection of T cell-resistant tumor cells observed with T-cell treatment alone in multiple models. Treatment of heterogenous cancer cell populations with T cells resulted in interferon gamma (IFN-γ) release and subsequent upregulation of PD-L1 on tumor cells that escaped T-cell killing through defects in antigen processing and presentation, priming escape cell populations for PD-L1 dependent killing by PD-L1 t-haNKs in vitro and in vivo. CONCLUSIONS These results describe the underlying mechanisms governing synergistic antitumor activity between T cell-based immunotherapy that results in IFN-γ production, upregulation of PD-L1 on T-cell escape cells, and the use of PD-L1 CAR-engineered NK cells to target and eliminate resistant tumor cell populations.
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MESH Headings
- Animals
- B7-H1 Antigen/genetics
- B7-H1 Antigen/metabolism
- CRISPR-Cas Systems
- Cell Line, Tumor
- Databases, Genetic
- Gene Editing
- HLA Antigens/metabolism
- Head and Neck Neoplasms/genetics
- Head and Neck Neoplasms/immunology
- Head and Neck Neoplasms/metabolism
- Head and Neck Neoplasms/therapy
- Humans
- Immunotherapy, Adoptive
- Interferon-gamma/metabolism
- Killer Cells, Natural/immunology
- Killer Cells, Natural/metabolism
- Killer Cells, Natural/transplantation
- Lymphocyte Activation
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/metabolism
- Mice, Inbred NOD
- Mice, SCID
- Receptors, Chimeric Antigen/genetics
- Receptors, Chimeric Antigen/immunology
- Squamous Cell Carcinoma of Head and Neck/genetics
- Squamous Cell Carcinoma of Head and Neck/immunology
- Squamous Cell Carcinoma of Head and Neck/metabolism
- Squamous Cell Carcinoma of Head and Neck/therapy
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- T-Lymphocytes/transplantation
- Tumor Burden
- Tumor Escape
- Tumor Microenvironment
- Xenograft Model Antitumor Assays
- Mice
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Affiliation(s)
- Maxwell Y Lee
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Yvette Robbins
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
| | - Cem Sievers
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
| | - Jay Friedman
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
| | - Houssein Abdul Sater
- Genitourinary Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Paul E Clavijo
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
| | - Nancy Judd
- Mid-Atlantic Permanente Medical Group, Rockville, Maryland, USA
| | - Edward Tsong
- Mid-Atlantic Permanente Medical Group, Rockville, Maryland, USA
| | - Chris Silvin
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
| | | | - Michelle R Padget
- Laboratory of Tumor Immunology and Biology, National Cancer Institute, Bethesda, Maryland, USA
| | - Jeffrey Schlom
- Laboratory of Tumor Immunology and Biology, National Cancer Institute, Bethesda, Maryland, USA
| | - James Hodge
- Laboratory of Tumor Immunology and Biology, National Cancer Institute, Bethesda, Maryland, USA
| | - Christian Hinrichs
- Genitourinary Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Clint Allen
- NIDCD, National Institutes of Health, Bethesda, Maryland, USA
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22
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Dupont CA, Riegel K, Pompaiah M, Juhl H, Rajalingam K. Druggable genome and precision medicine in cancer: current challenges. FEBS J 2021; 288:6142-6158. [PMID: 33626231 DOI: 10.1111/febs.15788] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/10/2021] [Accepted: 02/23/2021] [Indexed: 12/11/2022]
Abstract
The past decades have seen tremendous developments with respect to "specific" therapeutics that target key signaling molecules to conquer cancer. The key advancements with multiomics technologies, especially genomics, have allowed physicians and molecular oncologists to design "tailor-made" solutions to the specific oncogenes that are deregulated in individual patients, a strategy which has turned out to be successful though the patients quickly develop resistance. The swift integration of multidisciplinary approaches has led to the development of "next generation" therapeutics and, with synergistic therapeutic regimes combined with immune checkpoint inhibitors to reactivate the dampened immune response, has provided the much-needed promise for cancer patients. Despite these advances, a large portion of the druggable genome remains understudied, and the role of druggable genome in the immune system needs further attention. Establishment of patient-derived organoid models has fastened the preclinical validation of novel therapeutics for swift clinical translation. We summarized the current advances and challenges and also stress the importance of biobanking and collection of longitudinal data sets with structured clinical information, as well as the critical role these "high content data sets" will play in designing new therapeutic regimes in a tailor-made fashion.
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Affiliation(s)
- Camille Amandine Dupont
- Cell Biology Unit, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Kristina Riegel
- Cell Biology Unit, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Malvika Pompaiah
- Cell Biology Unit, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Hartmut Juhl
- Indivumed GmbH, Hamburg, Germany.,Indivumed-IMCB joint lab, IMCB, A*Star, Singapore
| | - Krishnaraj Rajalingam
- Cell Biology Unit, University Medical Center of the Johannes Gutenberg University, Mainz, Germany.,University Cancer Center Mainz, University Medical Center Mainz, Germany.,Indivumed-IMCB joint lab, IMCB, A*Star, Singapore
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23
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Danhof S, Rasche L, Mottok A, Steinmüller T, Zhou X, Schreder M, Kilian T, Strifler S, Rosenwald A, Hudecek M, Einsele H, Gerhard-Hartmann E. Elotuzumab for the treatment of extramedullary myeloma: a retrospective analysis of clinical efficacy and SLAMF7 expression patterns. Ann Hematol 2021; 100:1537-1546. [PMID: 33575947 PMCID: PMC8116297 DOI: 10.1007/s00277-021-04447-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 02/01/2021] [Indexed: 12/13/2022]
Abstract
Extramedullary disease (EMD) represents a high-risk state of multiple myeloma (MM) associated with poor prognosis. While most anti-myeloma therapeutics demonstrate limited efficacy in this setting, some studies exploring the utility of chimeric antigen receptor (CAR)-modified T cells reported promising results. We have recently designed SLAMF7-directed CAR T cells for the treatment of MM. SLAMF7 is a transmembrane receptor expressed on myeloma cells that plays a role in myeloma cell homing to the bone marrow. Currently, the only approved anti-SLAMF7 therapeutic is the monoclonal antibody elotuzumab, but its efficacy in EMD has not been investigated thoroughly. Thus, we retrospectively analyzed the efficacy of elotuzumab-based combination therapy in a cohort of 15 patients with EMD. Moreover, since the presence of the target antigen is an indispensable prerequisite for effective targeted therapy, we investigated the SLAMF7 expression on extramedullary located tumor cells before and after treatment. We observed limited efficacy of elotuzumab-based combination therapies, with an overall response rate of 40% and a progression-free and overall survival of 3.8 and 12.9 months, respectively. Before treatment initiation, all available EMD tissue specimens (n = 3) demonstrated a strong and consistent SLAMF7 surface expression by immunohistochemistry. Furthermore, to investigate a potential antigen reduction under therapeutic selection pressure, we analyzed samples of de novo EMD (n = 3) outgrown during elotuzumab treatment. Again, immunohistochemistry documented strong and consistent SLAMF7 expression in all samples. In aggregate, our data point towards a retained expression of SLAMF7 in EMD and encourage the development of more potent SLAMF7-directed immunotherapies, such as CAR T cells.
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Affiliation(s)
- Sophia Danhof
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany. .,Mildred Scheel Early Career Center Würzburg, Würzburg, Germany.
| | - Leo Rasche
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany.,Mildred Scheel Early Career Center Würzburg, Würzburg, Germany
| | - Anja Mottok
- Institute of Human Genetics, Ulm University and University Medical Center, Ulm, Germany
| | | | - Xiang Zhou
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Martin Schreder
- First Department of Medicine, Center for Oncology and Hematology, Klinik Ottakring, Vienna, Austria
| | - Teresa Kilian
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Susanne Strifler
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | | | - Michael Hudecek
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Hermann Einsele
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
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24
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Lazaridou MF, Massa C, Handke D, Mueller A, Friedrich M, Subbarayan K, Tretbar S, Dummer R, Koelblinger P, Seliger B. Identification of microRNAs Targeting the Transporter Associated with Antigen Processing TAP1 in Melanoma. J Clin Med 2020; 9:jcm9092690. [PMID: 32825219 PMCID: PMC7563967 DOI: 10.3390/jcm9092690] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/12/2020] [Accepted: 08/14/2020] [Indexed: 12/15/2022] Open
Abstract
The underlying molecular mechanisms of the aberrant expression of components of the HLA class I antigen processing and presentation machinery (APM) in tumors leading to evasion from T cell-mediated immune surveillance could be due to posttranscriptional regulation mediated by microRNAs (miRs). So far, some miRs controlling the expression of different APM components have been identified. Using in silico analysis and an miR enrichment protocol in combination with small RNA sequencing, miR-26b-5p and miR-21-3p were postulated to target the 3′ untranslated region (UTR) of the peptide transporter TAP1, which was confirmed by high free binding energy and dual luciferase reporter assays. Overexpression of miR-26b-5p and miR-21-3p in melanoma cells downregulated the TAP1 protein and reduced expression of HLA class I cell surface antigens, which could be reverted by miR inhibitors. Moreover, miR-26b-5p overexpression induced a decreased T cell recognition. Furthermore, an inverse expression of miR-26b-5p and miR-21-3p with TAP1 was found in primary melanoma lesions, which was linked with the frequency of CD8+ T cell infiltration. Thus, miR-26-5p and miR-21-3p are involved in the HLA class I-mediated immune escape and might be used as biomarkers or therapeutic targets for HLA class Ilow melanoma cells.
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Affiliation(s)
- Maria-Filothei Lazaridou
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Chiara Massa
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Diana Handke
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Anja Mueller
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Michael Friedrich
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Karthikeyan Subbarayan
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Sandy Tretbar
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
| | - Reinhard Dummer
- Institute of Dermatology, University Hospital Zürich, 8091 Zürich, Switzerland;
| | - Peter Koelblinger
- Department of Dermatology and Allergology, University Hospital Salzburg, 5020 Salzburg, Austria;
| | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Magdeburger Str. 2, 06112 Halle, Germany; (M.-F.L.); (C.M.); (D.H.); (A.M.); (M.F.); (K.S.); (S.T.)
- Correspondence: ; Tel.: +49-(0)-345-557-4054
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25
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Abstract
Kinases form the major part of the druggable genome and their selective inhibition in human cancers has had reasonable clinical success. In contrast to tumorigenesis, the role of kinases in mediating immune responses is poorly understood. However, synergistic therapeutic regimens combining targeted therapy and immune therapy have been found to increase the median survival of tumor patients. In this context, we uncovered that RAF and MEK1/2 kinases, which are the integral parts of the classical MAPK cascade, have unique roles in driving DC differentiation and activation. RAF kinases are stabilized in their protein levels during DC differentiation and are obligatory for normal functioning of DCs. But, the targeting of MEK1/2 kinases with specific inhibitors did not phenocopy the effects observed with RAF inhibitors suggesting that RAF and MEK1/2 kinases may have specific and unique roles in driving immune responses, which deserves further studies to successfully administer these inhibitors in clinics.
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Affiliation(s)
- Kristina Riegel
- Cell Biology Unit, University Medical Center Mainz, JGU-Mainz , Mainz, Germany
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26
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Poorebrahim M, Abazari MF, Sadeghi S, Mahmoudi R, Kheirollahi A, Askari H, Wickström SL, Poortahmasebi V, Lundqvist A, Kiessling R, Cid-Arregui A. Genetically modified immune cells targeting tumor antigens. Pharmacol Ther 2020; 214:107603. [PMID: 32553789 DOI: 10.1016/j.pharmthera.2020.107603] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 06/01/2020] [Indexed: 12/11/2022]
Abstract
Immunotherapy approaches consisting of genetically modified immune cells have become a promising platform for cancer treatment. Such 'living' therapies targeting tumor antigens have shown success in many cancer patients in the form of durable responses in a growing number of clinical studies. Besides, a large number of ongoing studies have been designed to introduce reliable methods for identification of tumor antigens. In addition, technical and biotechnological developments are being applied to the generation and expansion of genetically modified immune cells. In this review, we summarize and discuss the latest progress and current challenges in the tumor antigen landscape and in the generation of genetically modified immune cells in view of their clinical efficacy, either as monotherapy or combinational therapy.
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Affiliation(s)
| | - Mohammad Foad Abazari
- Research Center for Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran
| | - Solmaz Sadeghi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Mahmoudi
- Department of Medical Biotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Asma Kheirollahi
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Hassan Askari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Stina L Wickström
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Vahdat Poortahmasebi
- Liver and Gastrointestinal Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Infectious and Tropical Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Faculty of Medicine, Department of Bacteriology and Virology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Andreas Lundqvist
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Rolf Kiessling
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Angel Cid-Arregui
- Targeted Tumor Vaccines Group, Clinical Cooperation Unit Applied Tumor Immunity, German Cancer Research Center (DKFZ), Heidelberg, Germany.
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27
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Huang SH, McCann CD, Mota TM, Wang C, Lipkin SM, Jones RB. Have Cells Harboring the HIV Reservoir Been Immunoedited? Front Immunol 2019; 10:1842. [PMID: 31447850 PMCID: PMC6691121 DOI: 10.3389/fimmu.2019.01842] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 07/22/2019] [Indexed: 01/05/2023] Open
Abstract
Immunoediting is an important concept in oncology, delineating the mechanisms through which tumors are selected for resistance to immune-mediated elimination. The recent emergence of immunotherapies, such as checkpoint inhibitors, as pillars of cancer therapy has intensified interest in immunoediting as a constraint limiting the efficacy of these approaches. Immunoediting manifests at a number of levels for different cancers, for example through the establishment of immunosuppressive microenvironments within solid tumors. Of particular interest to the current review, selection also occurs at the cellular level; and recent studies have revealed novel mechanisms by which tumor cells acquire intrinsic resistance to immune recognition and elimination. While the selection of escape mutations in viral epitopes by HIV-specific T cells, which is a hallmark of chronic HIV infection, can be considered a form of immunoediting, few studies have considered the possibility that HIV-infected cells themselves may parallel tumors in having differential intrinsic susceptibilities to immune-mediated elimination. Such selection, on the level of an infected cell, may not play a significant role in untreated HIV, where infection is propagated by high levels of cell-free virus produced by cells that quickly succumb to viral cytopathicity. However, it may play an unappreciated role in individuals treated with effective antiretroviral therapy where viral replication is abrogated. In this context, an "HIV reservoir" persists, comprising long-lived infected cells which undergo extensive and dynamic clonal expansion. The ability of these cells to persist in infected individuals has generally been attributed to viral latency, thought to render them invisible to immune recognition, and/or to their compartmentalization in anatomical sites that are poorly accessible to immune effectors. Recent data from ex vivo studies have led us to propose that reservoir-harboring cells may additionally have been selected for intrinsic resistance to CD8+ T cells, limiting their elimination even in the context of antigen expression. Here, we draw on knowledge from tumor immunoediting to discuss potential mechanisms by which clones of HIV reservoir-harboring cells may resist elimination by CD8+ T cells. The establishment of such parallels may provide a premise for testing therapeutics designed to sensitize tumor cells to immune-mediated elimination as novel approaches aimed at curing HIV infection.
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Affiliation(s)
- Szu-Han Huang
- Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Chase D. McCann
- Department of Medicine, Weill Cornell Medical College, New York, NY, United States
- Program in Immunology and Microbial Pathogenesis, Weill Cornell Graduate School of Medical Sciences, New York, NY, United States
| | - Talia M. Mota
- Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Chao Wang
- Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - Steven M. Lipkin
- Department of Medicine, Weill Cornell Medical College, New York, NY, United States
| | - R. Brad Jones
- Department of Medicine, Weill Cornell Medical College, New York, NY, United States
- Program in Immunology and Microbial Pathogenesis, Weill Cornell Graduate School of Medical Sciences, New York, NY, United States
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28
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Antohe M, Nedelcu RI, Nichita L, Popp CG, Cioplea M, Brinzea A, Hodorogea A, Calinescu A, Balaban M, Ion DA, Diaconu C, Bleotu C, Pirici D, Zurac SA, Turcu G. Tumor infiltrating lymphocytes: The regulator of melanoma evolution. Oncol Lett 2019; 17:4155-4161. [PMID: 30944610 PMCID: PMC6444298 DOI: 10.3892/ol.2019.9940] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 09/27/2018] [Indexed: 02/06/2023] Open
Abstract
Melanoma is the most severe type of skin cancer and its incidence has increased in the last decades. In the United States, it is the 6th most common cancer in both men and women. Prognosis for patients with melanoma depends on the stage of the disease at the time of diagnosis and it can be influenced by the immunologic response. Melanoma has been historically considered an immunogenic malignancy. It often contains great amount of immune cells (different subsets of T-cells, dendritic cells, macrophages, neutrophils, mast cells, B lymphocytes), which may reflect a continuous intercommunication between host and tumor. It is not established if tumor-infiltrating lymphocytes (TILs) are induced by tumor cells or by other components of the microenvironment or when they are a host direct immunologic reaction. It has been observed that in many cases, the presence of a dense TIL is associated with good prognosis. The pattern and activation state of the cells which constitute TIL is variable and modulates the clinical outcome. An important step in the understanding of tumor immunobiology is the analysis of the populations and subsets of immune cells that form TIL. Besides its prognostic significance, after approval of cytotoxic T lymphocyte antigen 4, programmed cell death-1 and programmed death-1 ligand antibodies for the treatment of melanoma, the assessment of immune infiltrate composition has become even more captivating, as it could provide new target molecules and new biomarkers for predicting the effect of the treatment and disease outcome in patients treated with immunotherapy. In this review we discuss current state of knowledge in the field of immune cells that infiltrate melanoma, resuming the potential of TIL components to become prognostic markers for natural evolution, for response to drugs or valuable targets for new medication.
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Affiliation(s)
- Mihaela Antohe
- Department of Pathophysiology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Dermatology, Derma 360° Clinic, 011274 Bucharest, Romania
| | - Roxana Ioana Nedelcu
- Department of Pathophysiology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Dermatology, Derma 360° Clinic, 011274 Bucharest, Romania
| | - Luciana Nichita
- Department of Pathology, Colentina Clinical Hospital, 021103 Bucharest, Romania
| | | | - Mirela Cioplea
- Department of Pathology, Colentina Clinical Hospital, 021103 Bucharest, Romania
| | - Alice Brinzea
- Department of Pathophysiology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- National Institute for Infectious Diseases ‘Prof. Dr. Matei Balș’, Ambulatory Service, 021105 Bucharest, Romania
| | - Anastasia Hodorogea
- Department of Pathophysiology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Department of Dermatology, Colentina Clinical Hospital, 021103 Bucharest, Romania
| | - Andreea Calinescu
- Department of Dermatology, Colentina Clinical Hospital, 021103 Bucharest, Romania
- Department of Physiology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Mihaela Balaban
- Department of Dermatology, Derma 360° Clinic, 011274 Bucharest, Romania
- Department of Biochemistry, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Daniela Adriana Ion
- Department of Pathophysiology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Carmen Diaconu
- Department of Cellular and Molecular Pathology, ‘Stefan S. Nicolau’ Institute of Virology, 030304 Bucharest, Romania
| | - Coralia Bleotu
- Department of Cellular and Molecular Pathology, ‘Stefan S. Nicolau’ Institute of Virology, 030304 Bucharest, Romania
| | - Daniel Pirici
- Department of Pathology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Sabina Andrada Zurac
- Department of Pathology, Colentina Clinical Hospital, 021103 Bucharest, Romania
- Department of Pathology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Gabriela Turcu
- Department of Dermatology, Derma 360° Clinic, 011274 Bucharest, Romania
- Department of Dermatology, Colentina Clinical Hospital, 021103 Bucharest, Romania
- Department of Dermatology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
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29
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Meng Q, Valentini D, Rao M, Moro CF, Paraschoudi G, Jäger E, Dodoo E, Rangelova E, Del Chiaro M, Maeurer M. Neoepitope targets of tumour-infiltrating lymphocytes from patients with pancreatic cancer. Br J Cancer 2019; 120:97-108. [PMID: 30377343 PMCID: PMC6325142 DOI: 10.1038/s41416-018-0262-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 08/05/2018] [Accepted: 08/23/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Pancreatic cancer exhibits a poor prognosis and often presents with metastasis at diagnosis. Immunotherapeutic approaches targeting private cancer mutations (neoantigens) are a clinically viable option to improve clinical outcomes. METHODS 3/40 TIL lines (PanTT26, PanTT39, PanTT77) were more closely examined for neoantigen recognition. Whole-exome sequencing was performed to identify non-synonymous somatic mutations. Mutant peptides were synthesised and assessed for antigen-specific IFN-γ production and specific tumour killing in a standard Cr51 assay. TIL phenotype was tested by flow cytometry. Lymphocytes and HLA molecules in tumour tissue were visualised by immunohistochemistry. RESULTS PanTT26 and PanTT39 TILs recognised and killed the autologous tumour cells. PanTT26 TIL recognised the KRASG12v mutation, while a PanTT39 CD4+ TIL clone recognised the neoepitope (GLLRYWRTERLF) from an aquaporin 1-like protein (gene: K7N7A8). Repeated stimulation of TILs with the autologous tumour cells line lead to focused recognition of several mutated targets, based on IFN-γ production. TILs and corresponding PBMCs from PanTT77 showed shared as well as mutually exclusively tumour epitope recognition (TIL-responsive or PBMC-responsive). CONCLUSION This study provides methods to robustly screen T-cell targets for pancreatic cancer. Pancreatic cancer is immunogenic and immunotherapeutic approaches can be used to develop improved, targeted therapies.
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Affiliation(s)
- Qingda Meng
- Department of Laboratory Medicine (LABMED), Division of Therapeutic Immunology (TIM), Karolinska Institutet, Stockholm, Sweden
| | - Davide Valentini
- Department of Laboratory Medicine (LABMED), Division of Therapeutic Immunology (TIM), Karolinska Institutet, Stockholm, Sweden
- Centre for Allogeneic Stem Cell Transplantation (CAST), Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Martin Rao
- Department of Laboratory Medicine (LABMED), Division of Therapeutic Immunology (TIM), Karolinska Institutet, Stockholm, Sweden
| | - Carlos Fernández Moro
- Department of Laboratory Medicine (LABMED), Division of Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Georgia Paraschoudi
- Department of Laboratory Medicine (LABMED), Division of Therapeutic Immunology (TIM), Karolinska Institutet, Stockholm, Sweden
- Centre for Allogeneic Stem Cell Transplantation (CAST), Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Elke Jäger
- Krankenhaus Nordwest, Division of Oncology and Haematology, Frankfurt, Germany
| | - Ernest Dodoo
- Department of Laboratory Medicine (LABMED), Division of Therapeutic Immunology (TIM), Karolinska Institutet, Stockholm, Sweden
| | - Elena Rangelova
- Department of Clinical Science, Pancreatic Surgery Unit, Division of Surgery, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Marco Del Chiaro
- Department of Clinical Science, Pancreatic Surgery Unit, Division of Surgery, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
| | - Markus Maeurer
- Department of Laboratory Medicine (LABMED), Division of Therapeutic Immunology (TIM), Karolinska Institutet, Stockholm, Sweden.
- Centre for Allogeneic Stem Cell Transplantation (CAST), Karolinska University Hospital Huddinge, Stockholm, Sweden.
- Department of Oncology/Haematology, KHNW, Frankfurt, Germany & ImmunoSurgery Unit, Champalimaud Foundation, Lisbon, Portugal.
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Abstract
Interferon-gamma (IFNG) has long been implicated as a central orchestrator of antitumor immune responses in the elimination stage of the immunoediting paradigm. However, mounting evidence suggests that IFNG may also have important and significant protumor roles to play in the equilibrium and escape phases through its regulatory effects on immunoevasive functions that promote tumorigenesis. These seemingly contradictory effects of IFNG undoubtedly play profound roles in not only the activation of inflammatory response to cancer but also in the determination of its outcome. In the face of the recent explosion of anticancer immunotherapeutic strategies in the clinic, it is critical that a complete understanding is achieved of the underpinnings of the mechanisms that determine the two faces of IFNG signaling in cancer. Here, the current state of this dichotomy is reviewed.
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Affiliation(s)
- M Raza Zaidi
- Fels Institute for Cancer Research & Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania
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31
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Bayer P, Brown JS, Staňková K. A two-phenotype model of immune evasion by cancer cells. J Theor Biol 2018; 455:191-204. [DOI: 10.1016/j.jtbi.2018.07.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 07/04/2018] [Accepted: 07/10/2018] [Indexed: 12/21/2022]
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32
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Mojic M, Takeda K, Hayakawa Y. The Dark Side of IFN-γ: Its Role in Promoting Cancer Immunoevasion. Int J Mol Sci 2017; 19:E89. [PMID: 29283429 PMCID: PMC5796039 DOI: 10.3390/ijms19010089] [Citation(s) in RCA: 196] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 12/26/2017] [Accepted: 12/26/2017] [Indexed: 02/07/2023] Open
Abstract
Interferon-γ (IFN-γ) is a pleiotropic cytokine that has long been praised as an important effector molecule of anti-tumor immunity, capable of suppressing tumor growth through various mechanisms. On the contrary to such a bright side of IFN-γ, it has also been involved in promoting an outgrowth of tumor cells with immunoevasive phenotype suggesting an existence of a dark "tumor-promoting" side effect of IFN-γ. In this review, we will summarize this multi-functional role of IFN-γ in tumor context, how it promotes changes in tumor phenotype towards increased fitness for growth in immunocompetent host. Furthermore, we summarize how IFN-γ is involved in homeostatic or cancer-triggered mechanisms to establish an immunosuppressive tumor microenvironment.
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Affiliation(s)
- Marija Mojic
- Division of Pathogenic Biochemistry, Institute of Natural Medicine, University of Toyama, Sugitani 2630, Toyama 930-0194, Japan.
| | - Kazuyoshi Takeda
- Division of Cell Biology, Biomedical Research Center, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo 113-8421, Japan.
- Department of Biofunctional Microbiota, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo 113-8421, Japan.
| | - Yoshihiro Hayakawa
- Division of Pathogenic Biochemistry, Institute of Natural Medicine, University of Toyama, Sugitani 2630, Toyama 930-0194, Japan.
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33
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Kerekes D, Visscher DW, Hoskin TL, Radisky DC, Brahmbhatt RD, Pena A, Frost MH, Arshad M, Stallings-Mann M, Winham SJ, Murphy L, Denison L, Carter JM, Knutson KL, Degnim AC. CD56+ immune cell infiltration and MICA are decreased in breast lobules with fibrocystic changes. Breast Cancer Res Treat 2017; 167:649-658. [PMID: 29090365 PMCID: PMC5807482 DOI: 10.1007/s10549-017-4558-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 10/27/2017] [Indexed: 12/29/2022]
Abstract
Purpose While the role of natural killer (NK) cells in breast cancer therapy has been investigated, little information is known about NK cell function and presence in nonmalignant and premalignant breast tissue. Here, we investigate and quantify NK cell marker CD56 and activating ligand MICA in breast tissue with benign breast disease. Methods Serial tissue sections from 88 subjects, 44 with benign breast disease (BBD) who remained cancer-free, and 44 with BBD who later developed cancer, were stained with H&E, anti-MICA, and anti-CD56. Up to ten representative lobules were identified on each section. Using digital image analysis, MICA and CD56 densities were determined for each lobule, reported as percent of pixels in the lobule that registered as stained by each antibody. Analyses were performed on a per-subject and per-lobule basis. Results Per-subject multivariate analyses showed associations of CD56 and MICA with age: CD56 was increased in older subjects (p = 0.03), while MICA was increased in younger subjects (p = 0.005). Per-lobule analyses showed that CD56 and MICA levels were both decreased in lobules with fibrocystic change, with median levels of CD56 and MICA staining, respectively, at 0.31 and 7.0% in fibrocystic lobules compared to 0.76 and 12.2% in lobules without fibrocystic change (p < 0.001 for each). Among fibrocystic lobules, proliferative/atypical lobules showed significantly lower expression compared to nonproliferative lobules for MICA (p = 0.02) but not for CD56 (p = 0.80). Conclusion Levels of CD56+ NK cells and activating ligand MICA were decreased in breast lobules with fibrocystic change, and MICA levels showed a significant stepwise decrease with increasing histopathologic abnormality. MICA levels were also significantly decreased in older subjects, who generally have higher risk of developing cancer. These findings advance a model in which MICA promotes cytotoxic activity in CD56+ NK cells to protect against tumorigenesis in breast lobules, and suggest further research is warranted. Electronic supplementary material The online version of this article (10.1007/s10549-017-4558-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Daniel Kerekes
- Department of Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | | | - Tanya L Hoskin
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, USA
| | | | - Rushin D Brahmbhatt
- Department of Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Alvaro Pena
- Department of Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | | | - Muhammad Arshad
- Department of Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | | | - Stacey J Winham
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, USA
| | - Linda Murphy
- Women's Cancer Program, Mayo Clinic, Rochester, MN, USA
| | - Lori Denison
- Information Technology, Mayo Clinic, Rochester, MN, USA
| | - Jodi M Carter
- Division of Anatomic Pathology, Mayo Clinic, Rochester, MN, USA
| | | | - Amy C Degnim
- Department of Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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Passarelli A, Mannavola F, Stucci LS, Tucci M, Silvestris F. Immune system and melanoma biology: a balance between immunosurveillance and immune escape. Oncotarget 2017; 8:106132-106142. [PMID: 29285320 PMCID: PMC5739707 DOI: 10.18632/oncotarget.22190] [Citation(s) in RCA: 160] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 09/21/2017] [Indexed: 12/28/2022] Open
Abstract
Melanoma is one of the most immunogenic tumors and its relationship with host immune system is currently under investigation. Many immunomodulatory mechanisms, favoring melanomagenesis and progression, have been described to interfere with the disablement of melanoma recognition and attack by immune cells resulting in immune resistance and immunosuppression. This knowledge produced therapeutic advantages, such as immunotherapy, aiming to overcome the immune evasion. Here, we review the current advances in cancer immunoediting and focus on melanoma immunology, which involves a dynamic interplay between melanoma and immune system, as well as on effects of “targeted therapies” on tumor microenvironment for combination strategies.
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Affiliation(s)
- Anna Passarelli
- Department of Biomedical Sciences and Human Oncology, University of Bari 'Aldo Moro', Bari, Italy
| | - Francesco Mannavola
- Department of Biomedical Sciences and Human Oncology, University of Bari 'Aldo Moro', Bari, Italy
| | - Luigia Stefania Stucci
- Department of Biomedical Sciences and Human Oncology, University of Bari 'Aldo Moro', Bari, Italy
| | - Marco Tucci
- Department of Biomedical Sciences and Human Oncology, University of Bari 'Aldo Moro', Bari, Italy
| | - Francesco Silvestris
- Department of Biomedical Sciences and Human Oncology, University of Bari 'Aldo Moro', Bari, Italy
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35
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Moore T, Wagner CR, Scurti GM, Hutchens KA, Godellas C, Clark AL, Kolawole EM, Hellman LM, Singh NK, Huyke FA, Wang SY, Calabrese KM, Embree HD, Orentas R, Shirai K, Dellacecca E, Garrett-Mayer E, Li M, Eby JM, Stiff PJ, Evavold BD, Baker BM, Le Poole IC, Dropulic B, Clark JI, Nishimura MI. Clinical and immunologic evaluation of three metastatic melanoma patients treated with autologous melanoma-reactive TCR-transduced T cells. Cancer Immunol Immunother 2017; 67:311-325. [PMID: 29052782 DOI: 10.1007/s00262-017-2073-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 10/03/2017] [Indexed: 11/24/2022]
Abstract
Malignant melanoma incidence has been increasing for over 30 years, and despite promising new therapies, metastatic disease remains difficult to treat. We describe preliminary results from a Phase I clinical trial (NCT01586403) of adoptive cell therapy in which three patients received autologous CD4+ and CD8+ T cells transduced with a lentivirus carrying a tyrosinase-specific TCR and a marker protein, truncated CD34 (CD34t). This unusual MHC Class I-restricted TCR produces functional responses in both CD4+ and CD8+ T cells. Parameters monitored on transduced T cells included activation (CD25, CD69), inhibitory (PD-1, TIM-3, CTLA-4), costimulatory (OX40), and memory (CCR7) markers. For the clinical trial, T cells were activated, transduced, selected for CD34t+ cells, then re-activated, and expanded in IL-2 and IL-15. After lymphodepleting chemotherapy, patients were given transduced T cells and IL-2, and were followed for clinical and biological responses. Transduced T cells were detected in the circulation of three treated patients for the duration of observation (42, 523, and 255 days). Patient 1 tolerated the infusion well but died from progressive disease after 6 weeks. Patient 2 had a partial response by RECIST criteria then progressed. After progressing, Patient 2 was given high-dose IL-2 and subsequently achieved complete remission, coinciding with the development of vitiligo. Patient 3 had a mixed response that did not meet RECIST criteria for a clinical response and developed vitiligo. In two of these three patients, adoptive transfer of tyrosinase-reactive TCR-transduced T cells into metastatic melanoma patients had clinical and/or biological activity without serious adverse events.
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Affiliation(s)
- Tamson Moore
- Department of Surgery, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA.
| | - Courtney Regan Wagner
- Department of Medicine, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | - Gina M Scurti
- Department of Surgery, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | - Kelli A Hutchens
- Department of Pathology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
- Forefront Dermatology, 801 York St, Manitowoc, WI, 54220, USA
| | - Constantine Godellas
- Department of Surgery, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | - Ann Lau Clark
- Department of Medicine, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | | | - Lance M Hellman
- Department of Chemistry & Biochemistry and the Harper Cancer Research Institute, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN, 46656, USA
| | - Nishant K Singh
- Department of Chemistry & Biochemistry and the Harper Cancer Research Institute, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN, 46656, USA
| | - Fernando A Huyke
- Department of Chemistry & Biochemistry and the Harper Cancer Research Institute, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN, 46656, USA
| | - Siao-Yi Wang
- Department of Surgery, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | - Kelly M Calabrese
- Department of Surgery, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
- Abbvie, 1 North Waukegan Road, North Chicago, IL, 60064, USA
| | - Heather D Embree
- Lentigen Technology Inc, A Miltenyi Biotec Company, 910 Clopper Road Suite 200S, Gaithersburg, MD, 20878, USA
| | - Rimas Orentas
- Lentigen Technology Inc, A Miltenyi Biotec Company, 910 Clopper Road Suite 200S, Gaithersburg, MD, 20878, USA
| | - Keisuke Shirai
- Hollings Cancer Center, Medical University of South Carolina, 86 Jonathan Lucas St, Charleston, SC, 29425, USA
- Dartmouth-Hitchcock, Norris Cotton Cancer Center, One Medical Center Dr, Lebanon, NH, 03756, USA
| | - Emilia Dellacecca
- Department of Pathology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
- Department of Microbiology, and Immunology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, USA
| | - Elizabeth Garrett-Mayer
- Hollings Cancer Center, Medical University of South Carolina, 86 Jonathan Lucas St, Charleston, SC, 29425, USA
| | - Mingli Li
- Hollings Cancer Center, Medical University of South Carolina, 86 Jonathan Lucas St, Charleston, SC, 29425, USA
- Bluebird Biology, 60 Binney St., Cambridge, MA, 02142, USA
| | - Jonathan M Eby
- Department of Pathology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
- Department of Microbiology, and Immunology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, USA
| | - Patrick J Stiff
- Department of Medicine, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | - Brian D Evavold
- O. Wayne Rollins Research Center, Emory University, Room 3127, 1510 Clifton Road NE, Atlanta, GA, 30322, USA
| | - Brian M Baker
- Department of Chemistry & Biochemistry and the Harper Cancer Research Institute, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN, 46656, USA
| | - I Caroline Le Poole
- Department of Pathology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
- Department of Microbiology, and Immunology, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, USA
- Lurie Comprehensive Cancer Center, Department of Dermatology, Northwestern University at Chicago, Room 5-113, 303 East Superior Street, Chicago, IL, 60611, USA
| | - Boro Dropulic
- Lentigen Technology Inc, A Miltenyi Biotec Company, 910 Clopper Road Suite 200S, Gaithersburg, MD, 20878, USA
| | - Joseph I Clark
- Department of Medicine, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
| | - Michael I Nishimura
- Department of Surgery, Loyola University Chicago, 2160 S. 1st Avenue, Maywood, IL, 60153, USA
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Mahmoud F, Shields B, Makhoul I, Avaritt N, Wong HK, Hutchins LF, Shalin S, Tackett AJ. Immune surveillance in melanoma: From immune attack to melanoma escape and even counterattack. Cancer Biol Ther 2017; 18:451-469. [PMID: 28513269 DOI: 10.1080/15384047.2017.1323596] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Pharmacologic inhibition of the cytotoxic T lymphocyte antigen 4 (CTLA4) and the programmed death receptor-1 (PD1) has resulted in unprecedented durable responses in metastatic melanoma. However, resistance to immunotherapy remains a major challenge. Effective immune surveillance against melanoma requires 4 essential steps: activation of the T lymphocytes, homing of the activated T lymphocytes to the melanoma microenvironment, identification and episode of melanoma cells by activated T lymphocytes, and the sensitivity of melanoma cells to apoptosis. At each of these steps, there are multiple factors that may interfere with the immune surveillance machinery, thus allowing melanoma cells to escape immune attack and develop resistance to immunotherapy. We provide a comprehensive review of the complex immune surveillance mechanisms at play in melanoma, and a detailed discussion of how these mechanisms may allow for the development of intrinsic or acquired resistance to immunotherapeutic modalities, and potential avenues for overcoming this resistance.
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Affiliation(s)
- Fade Mahmoud
- a Department of Internal Medicine, Division of Hematology/Oncology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Bradley Shields
- b Department of Biochemistry and Molecular Biology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Issam Makhoul
- a Department of Internal Medicine, Division of Hematology/Oncology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Nathan Avaritt
- b Department of Biochemistry and Molecular Biology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Henry K Wong
- c Department of Dermatology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Laura F Hutchins
- a Department of Internal Medicine, Division of Hematology/Oncology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Sara Shalin
- d Departments of Pathology and Dermatology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
| | - Alan J Tackett
- b Department of Biochemistry and Molecular Biology , University of Arkansas for Medical Sciences , Little Rock , Arkansas , USA
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37
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Czernek L, Düchler M. Functions of Cancer-Derived Extracellular Vesicles in Immunosuppression. Arch Immunol Ther Exp (Warsz) 2017; 65:311-323. [PMID: 28101591 PMCID: PMC5511306 DOI: 10.1007/s00005-016-0453-3] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 12/18/2016] [Indexed: 12/29/2022]
Abstract
Extracellular vesicles, including exosomes, constitute an important element of intercellular communication by carrying a variety of molecules from producer to target cells. The transport of mRNA and miRNA can directly modulate gene expression in the target cells. The miRNA content in exosomes is characteristic for the cell from which the vesicles were derived enabling the usage of exosomes as biomarkers for the diagnosis various diseases, including cancer. Cancer-derived exosomes support the survival and progression of tumors in many ways and also contribute to the neutralization of the anti-cancer immune response. Exosomes participate in all known mechanisms by which cancer evades the immune system. They influence the differentiation and activation of immune suppressor cells, they modulate antigen presentation, and are able to induce T-cell apoptosis. Although cancer-derived exosomes mainly suppress the immune system and facilitate tumor progression, they are also important sources of tumor antigens with potential clinical application in stimulating immune responses. This review summarizes how exosomes assist cancer to escape immune recognition and to acquire control over the immune system.
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Affiliation(s)
- Liliana Czernek
- Department of Bioorganic Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Lodz, Poland
| | - Markus Düchler
- Department of Bioorganic Chemistry, Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363, Lodz, Poland.
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38
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Dellgren C, Ekwelum VAC, Ormhøj M, Pallesen N, Knudsen J, Nehlin JO, Barington T. Low Constitutive Cell Surface Expression of HLA-B Is Caused by a Posttranslational Mechanism Involving Glu180 and Arg239. THE JOURNAL OF IMMUNOLOGY 2016; 197:4807-4816. [PMID: 27821669 DOI: 10.4049/jimmunol.1502546] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 10/11/2016] [Indexed: 12/18/2022]
Abstract
HLA class I cell surface expression is crucial for normal immune responses, and variability in HLA expression may influence the course of infections. We have previously shown that classical HLA class I expression on many human cell types is biased with greatly reduced expression of HLA-B compared with HLA-A in the absence of inflammatory signals. In the search for the mechanisms responsible for this discrepancy, we have recently reported that the regulation is mainly posttranslational and that the C-terminal part of the α2 domain and the α3 domain contain the molecular determinants that explain most of the variability of expression between common HLA-A and -B allomorphs. In this study, we present a fine mapping of the structural determinants that allow such variability by exchanging key amino acids located within the C-terminal part of the α2 domain and the α3 domain of HLA-A2 and -B8, including Glu/Asp at position 177, Gln/Glu at position 180, Gly/Arg at position 239, and Pro/Ser at position 280. We found that the HLA-A2 and -B8 expression profiles could be interconverted to a large extent by mutual exchange of Gln/Glu at position 180 or by Gly/Arg at position 239. The presence of Gln180 and Gly239, as in HLA-A2, led to higher cell surface expression levels when compared with the presence of Glu180 and Arg239, as in HLA-B8. This indicates that the amino acids at positions 180 and 239 determine the level of cell surface expression of common HLA-A and -B allomorphs, probably by affecting HLA processing in the Ag presentation pathway.
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Affiliation(s)
- Christoffer Dellgren
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Vanessa A C Ekwelum
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Maria Ormhøj
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Nicole Pallesen
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Julie Knudsen
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Jan O Nehlin
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
| | - Torben Barington
- Department of Clinical Immunology, Odense University Hospital, 5000 Odense, Denmark
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39
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Lim SH, Sun JM, Lee SH, Ahn JS, Park K, Ahn MJ. Pembrolizumab for the treatment of non-small cell lung cancer. Expert Opin Biol Ther 2016; 16:397-406. [PMID: 26800463 DOI: 10.1517/14712598.2016.1145652] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Immune checkpoint inhibitors targeting programmed death protein 1 (PD-1) receptor and its ligand, PD-L1, have recently led to significant and durable improvements in the clinical outcomes of some types of cancers including lung cancer. AREAS COVERED Pembrolizumab was approved by the US FDA for the treatment of advanced or metastatic NSCLC whose disease has progressed after other treatments and with tumors that express PD-L1. In the phase I KEYNOTE-001 trial, the overall response rate (ORR) was 19.4%, the median progression-free survival (PFS) and overall survival (OS) were 3.7 months and 12.0 months for 495 unselected NSCLC patients. Strong PD-L1 expression (≥ 50%) was associated with higher ORR, longer PFS, and longer OS. The phase II/III randomized KEYNOTE-010 trial demonstrated that pembrolizumab improved OS versus docetaxel in patients with previously treated NSCLC. EXPERT OPINION Pembrolizumab, demonstrated durable response and prolonged OS especially in NSCLC patients with high expression of PD-1, thereby suggests a new treatment paradigm. However, many issues remain to be explored, including the identification of other robust biomarkers that can accurately predict the immune-responsiveness of tumors. Along with the identification of predictive biomarkers, further understanding of the tumor microenvironment is necessary to improve treatment outcomes through combinations of immunotherapy or combined with other targeted therapies.
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Affiliation(s)
- Sung Hee Lim
- a Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center , Sungkyunkwan University School of Medicine , Seoul , South Korea
| | - Jong-Mu Sun
- a Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center , Sungkyunkwan University School of Medicine , Seoul , South Korea
| | - Se-Hoon Lee
- a Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center , Sungkyunkwan University School of Medicine , Seoul , South Korea
| | - Jin Seok Ahn
- a Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center , Sungkyunkwan University School of Medicine , Seoul , South Korea
| | - Keunchil Park
- a Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center , Sungkyunkwan University School of Medicine , Seoul , South Korea
| | - Myung-Ju Ahn
- a Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center , Sungkyunkwan University School of Medicine , Seoul , South Korea
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40
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Tumour-infiltrating lymphocytes in melanoma prognosis and cancer immunotherapy. Pathology 2016; 48:177-87. [PMID: 27020390 DOI: 10.1016/j.pathol.2015.12.006] [Citation(s) in RCA: 172] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 11/16/2015] [Indexed: 12/26/2022]
Abstract
The field of systemic cancer therapy for metastatic disease has entered an exciting era with the advent of novel immunomodulatory strategies targeting immune checkpoints. At the heart of these promising efforts are the tumour-infiltrating lymphocytes (TILs). As the reports demonstrating efficacy of modulating TIL effector function in patients with advanced stage cancer continue to accrue, it has become essential to better understand TIL immunobiology in order to further improve clinical outcome. In addition to providing an overview of the current immunotherapies available for metastatic melanoma, this review will briefly introduce the history and classification of TILs. Moreover, we will dissect the multifaceted roles of TILs in tumour-specific immunity and melanoma immune escape. The significance of TILs in melanoma prognosis and cancer immunotherapy will also be discussed, with a particular focus on their potential utility as biomarkers of patient response. The goal of personalised medicine appears to be in realistic sight, as new immunomodulatory techniques and technological innovations continue to advance the field of cancer immunotherapy. In light of recent studies highlighting the possible utility of TILs in determining therapeutic outcome, further characterisation of TIL phenotype and function has the potential to help translate individualised care into current medical practice.
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41
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Heise R, Amann PM, Ensslen S, Marquardt Y, Czaja K, Joussen S, Beer D, Abele R, Plewnia G, Tampé R, Merk HF, Hermanns HM, Baron JM. Interferon Alpha Signalling and Its Relevance for the Upregulatory Effect of Transporter Proteins Associated with Antigen Processing (TAP) in Patients with Malignant Melanoma. PLoS One 2016; 11:e0146325. [PMID: 26735690 PMCID: PMC4703378 DOI: 10.1371/journal.pone.0146325] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 12/16/2015] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION Interferon alpha (IFNα) is routinely used in the clinical practice for adjuvant systemic melanoma therapy. Understanding the molecular mechanism of IFNα effects and prediction of response in the IFNα therapy regime allows initiation and continuation of IFNα treatment for responder and exclusion of non-responder to avoid therapy inefficacy and side-effects. The transporter protein associated with antigen processing-1 (TAP1) is part of the MHC class I peptide-loading complex, and important for antigen presentation in tumor and antigen presenting cells. In the context of personalized medicine, we address this potential biomarker TAP1 as a target of IFNα signalling. RESULTS We could show that IFNα upregulates TAP1 expression in peripheral blood mononuclear cells (PBMCs) of patients with malignant melanoma receiving adjuvant high-dose immunotherapy. IFNα also induced expression of TAP1 in mouse blood and tumor tissue and suppressed the formation of melanoma metastasis in an in vivo B16 tumor model. Besides its expression, TAP binding affinity and transport activity is induced by IFNα in human monocytic THP1 cells. Furthermore, our data revealed that IFNα clearly activates phosphorylation of STAT1 and STAT3 in THP1 and A375 melanoma cells. Inhibition of Janus kinases abrogates the IFNα-induced TAP1 expression. These results suggest that the JAK/STAT pathway is a crucial mediator for TAP1 expression elicited by IFNα treatment. CONCLUSION We suppose that silencing of TAP1 expression provides tumor cells with a mechanism to escape cytotoxic T-lymphocyte recognition. The observed benefit of IFNα treatment could be mediated by the shown dual effect of TAP1 upregulation in antigen presenting cells on the one hand, and of TAP1 upregulation in 'silent' metastatic melanoma cells on the other hand. In conclusion, this work contributes to a better understanding of the mode of action of IFNα which is essential to identify markers to predict, assess and monitor therapeutic response of IFNα treatment in the future.
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Affiliation(s)
- Ruth Heise
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | - Philipp M. Amann
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | | | - Yvonne Marquardt
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | - Katharina Czaja
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | - Sylvia Joussen
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | - Daniel Beer
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | - Rupert Abele
- Institute of Biochemistry, Biocenter, Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - Gabriele Plewnia
- Institute of Biochemistry, Biocenter, Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - Robert Tampé
- Institute of Biochemistry, Biocenter, Goethe-University Frankfurt, Frankfurt am Main, Germany
| | - Hans F. Merk
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
| | - Heike M. Hermanns
- Medical Clinic and Policlinic II, Hepatology, University Hospital Würzburg, Würzburg, Germany
| | - Jens M. Baron
- Department of Dermatology and Allergology, RWTH Aachen University, Aachen, Germany
- * E-mail:
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Cell surface expression level variation between two common Human Leukocyte Antigen alleles, HLA-A2 and HLA-B8, is dependent on the structure of the C terminal part of the alpha 2 and the alpha 3 domains. PLoS One 2015; 10:e0135385. [PMID: 26258424 PMCID: PMC4530957 DOI: 10.1371/journal.pone.0135385] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 07/22/2015] [Indexed: 12/31/2022] Open
Abstract
Constitutive cell surface expression of Human Leukocyte Antigen (HLA) class I antigens vary extremely from tissue to tissue and individual antigens may differ widely in expression levels. Down-regulation of class I expression is a known immune evasive mechanism used by cancer cells and viruses. Moreover, recent observations suggest that even minor differences in expression levels may influence the course of viral infections and the frequency of complications to stem cell transplantation. We have shown that some human multipotent stem cells have high expression of HLA-A while HLA-B is only weakly expressed, and demonstrate here that this is also the case for the human embryonic kidney cell line HEK293T. Using quantitative flow cytometry and quantitative polymerase chain reaction we found expression levels of endogenous HLA-A3 (median 71,204 molecules per cell) 9.2-fold higher than the expression of-B7 (P = 0.002). Transfection experiments with full-length HLA-A2 and -B8 encoding plasmids confirmed this (54,031 molecules per cell vs. 2,466, respectively, P = 0.001) independently of transcript levels suggesting a post-transcriptional regulation. Using chimeric constructs we found that the cytoplasmic tail and the transmembrane region had no impact on the differential cell surface expression. In contrast, ~65% of the difference could be mapped to the six C-terminal amino acids of the alpha 2 domain and the alpha 3 domain (amino acids 176–284), i.e. amino acids not previously shown to be of importance for differential expression levels of HLA class I molecules. We suggest that the differential cell surface expression of two common HLA-A and–B alleles is regulated by a post-translational mechanism that may involve hitherto unrecognized molecules.
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de Aquino MTP, Malhotra A, Mishra MK, Shanker A. Challenges and future perspectives of T cell immunotherapy in cancer. Immunol Lett 2015; 166:117-33. [PMID: 26096822 PMCID: PMC4499494 DOI: 10.1016/j.imlet.2015.05.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2015] [Revised: 05/10/2015] [Accepted: 05/27/2015] [Indexed: 12/15/2022]
Abstract
Since the formulation of the tumour immunosurveillance theory, considerable focus has been on enhancing the effectiveness of host antitumour immunity, particularly with respect to T cells. A cancer evades or alters the host immune response by various ways to ensure its development and survival. These include modifications of the immune cell metabolism and T cell signalling. An inhibitory cytokine milieu in the tumour microenvironment also leads to immune suppression and tumour progression within a host. This review traces the development in the field and attempts to summarize the hurdles that the approach of adoptive T cell immunotherapy against cancer faces, and discusses the conditions that must be improved to allow effective eradication of cancer.
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Affiliation(s)
- Maria Teresa P de Aquino
- Department of Biochemistry and Cancer Biology, School of Medicine, Meharry Medical College, Nashville, TN 37208, USA
| | - Anshu Malhotra
- Department of Biochemistry and Cancer Biology, School of Medicine, Meharry Medical College, Nashville, TN 37208, USA
| | - Manoj K Mishra
- Department of Biological Sciences, Alabama State University, Montgomery, AL 36101, USA
| | - Anil Shanker
- Department of Biochemistry and Cancer Biology, School of Medicine, Meharry Medical College, Nashville, TN 37208, USA; Tumor-Host Interactions Research Program, Vanderbilt-Ingram Cancer Center, Vanderbilt University, Nashville, TN 37232, USA.
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Human Tumor Antigens and Cancer Immunotherapy. BIOMED RESEARCH INTERNATIONAL 2015; 2015:948501. [PMID: 26161423 PMCID: PMC4487697 DOI: 10.1155/2015/948501] [Citation(s) in RCA: 138] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Accepted: 03/03/2015] [Indexed: 01/21/2023]
Abstract
With the recent developments of adoptive T cell therapies and the use of new monoclonal antibodies against the immune checkpoints, immunotherapy is at a turning point. Key players for the success of these therapies are the cytolytic T lymphocytes, which are a subset of T cells able to recognize and kill tumor cells. Here, I review the nature of the antigenic peptides recognized by these T cells and the processes involved in their presentation. I discuss the importance of understanding how each antigenic peptide is processed in the context of immunotherapy and vaccine delivery.
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TCR+CD4-CD8- T cells in antigen-specific MHC class I-restricted T-cell responses after allogeneic hematopoietic stem cell transplantation. J Immunother 2015; 37:416-25. [PMID: 25198529 DOI: 10.1097/cji.0000000000000047] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Human TCRαβ(+) CD4(-)CD8(-) double-negative (DN) T cells represent a minor subset in peripheral blood, yet are important in infectious diseases and autoimmune responses. We examined the frequency of DN T cells in 17 patients after allogeneic hematopoietic stem cell transplantation (aHSCT) at 1, 2, 3, 6, and 12 months post-aHSCT and show that these cells increase early after aHSCT and decrease with time after aHSCT. DN T cells reside in the terminally differentiated effector (CD45RA(+)CCR7(-)) T-cell population and are polyclonal, determined by T-cell receptor Vβ CDR3 analysis. Gene expression analysis of ex vivo sorted DN T cells showed a distinct set of gene expression, including interleukin-8, as compared with CD4(+) or CD8(+) T cells. DN T cells contributed to MHC class I-restricted EBV-directed immune responses, defined by antigen-specific cytokine production and by detection of HLA-A*02:01-restricted EBV BMLF-1 (GLCTLVAML), LMP-2A (CLGGLLTMV), and HLA-A*24:02-restricted EBV BRLF-1 (DYCNVLNKEF) and EBNA3 (RYSIFFDY)-specific T cells. We created retroviral-transfected Jurkat cell lines with a Melan-A/MART-1-specific TCR(+) and the CD8α chain to study TCR(+) DN T cells in response to their nominal MHC class I/peptide ligand. We show that DN T cells exhibit increased TCRζ chain phosphorylation as compared with the TCR(+)CD8(+) transgenic T-cell line. DN T cells contribute to antigen-specific T-cell responses and represent an effector T-cell population that may be explored in immunotherapeutic approaches against viral infections or transformed cells.
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Immune evasion in cancer: Mechanistic basis and therapeutic strategies. Semin Cancer Biol 2015; 35 Suppl:S185-S198. [PMID: 25818339 DOI: 10.1016/j.semcancer.2015.03.004] [Citation(s) in RCA: 991] [Impact Index Per Article: 110.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 03/10/2015] [Accepted: 03/13/2015] [Indexed: 12/27/2022]
Abstract
Cancer immune evasion is a major stumbling block in designing effective anticancer therapeutic strategies. Although considerable progress has been made in understanding how cancers evade destructive immunity, measures to counteract tumor escape have not kept pace. There are a number of factors that contribute to tumor persistence despite having a normal host immune system. Immune editing is one of the key aspects why tumors evade surveillance causing the tumors to lie dormant in patients for years through "equilibrium" and "senescence" before re-emerging. In addition, tumors exploit several immunological processes such as targeting the regulatory T cell function or their secretions, antigen presentation, modifying the production of immune suppressive mediators, tolerance and immune deviation. Besides these, tumor heterogeneity and metastasis also play a critical role in tumor growth. A number of potential targets like promoting Th1, NK cell, γδ T cell responses, inhibiting Treg functionality, induction of IL-12, use of drugs including phytochemicals have been designed to counter tumor progression with much success. Some natural agents and phytochemicals merit further study. For example, use of certain key polysaccharide components from mushrooms and plants have shown to possess therapeutic impact on tumor-imposed genetic instability, anti-growth signaling, replicative immortality, dysregulated metabolism etc. In this review, we will discuss the advances made toward understanding the basis of cancer immune evasion and summarize the efficacy of various therapeutic measures and targets that have been developed or are being investigated to enhance tumor rejection.
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Kazemi T, Younesi V, Jadidi-Niaragh F, Yousefi M. Immunotherapeutic approaches for cancer therapy: An updated review. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2015; 44:769-79. [PMID: 25801036 DOI: 10.3109/21691401.2015.1019669] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In spite of specific immune effector mechanisms raised against tumor cells, there are mechanisms employed by the tumor cells to keep them away from immune recognition and elimination; some of these mechanisms have been identified, while others are still poorly understood. Manipulation or augmentation of specific antitumor immune responses are now the preferred approaches for treatment of malignancies, and traditional therapeutic approaches are being replaced by the use of agents which potentiate immune effector mechanisms, broadly called "immunotherapy". Cancer immunotherapy is generally classified into two main classes including active and passive methods. Interventions to augment the immune system of the patient, for example, vaccination or adjuvant therapy, actively promote antitumor effector mechanisms to improve cancer elimination. On the other hand, administration of specific monoclonal antibodies (mAbs) against different tumor antigens and adoptive transfer of genetically-modified specific T cells are currently the most rapidly developing approaches for cancer targeted therapy. In this review, we will discuss the different modalities for active and passive immunotherapy for cancer.
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Affiliation(s)
- Tohid Kazemi
- a Immunology Research Center, Tabriz University of Medical Sciences , Tabriz , Iran.,b Department of Immunology , Faculty of Medicine, Tabriz University of Medical Sciences , Tabriz , Iran
| | - Vahid Younesi
- c Department of Immunology , School of Public Health, Tehran University of Medical Sciences , Tehran , Iran
| | - Farhad Jadidi-Niaragh
- c Department of Immunology , School of Public Health, Tehran University of Medical Sciences , Tehran , Iran
| | - Mehdi Yousefi
- a Immunology Research Center, Tabriz University of Medical Sciences , Tabriz , Iran.,b Department of Immunology , Faculty of Medicine, Tabriz University of Medical Sciences , Tabriz , Iran
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Buferne M, Chasson L, Grange M, Mas A, Arnoux F, Bertuzzi M, Naquet P, Leserman L, Schmitt-Verhulst AM, Auphan-Anezin N. IFNγ producing CD8 + T cells modified to resist major immune checkpoints induce regression of MHC class I-deficient melanomas. Oncoimmunology 2015; 4:e974959. [PMID: 25949872 PMCID: PMC4404920 DOI: 10.4161/2162402x.2014.974959] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 10/06/2014] [Indexed: 12/24/2022] Open
Abstract
Tumors with reduced expression of MHC class I (MHC-I) molecules may be unrecognized by tumor antigen-specific CD8+ T cells and thus constitute a challenge for cancer immunotherapy. Here we monitored development of autochthonous melanomas in TiRP mice that develop tumors expressing a known tumor antigen as well as a red fluorescent protein (RFP) reporter knock in gene. The latter permits non-invasive monitoring of tumor growth by biofluorescence. One developing melanoma was deficient in cell surface expression of MHC-I, but MHC-I expression could be rescued by exposure of these cells to IFNγ. We show that CD8+ T cells specific for tumor antigen/MHC-I were efficient at inducing regression of the MHC-I-deficient melanoma, provided that the T cells were endowed with properties permitting their migration into the tumor and their efficient production of IFNγ. This was the case for CD8+ T cells transfected to express an active form of STAT5 (STAT5CA). The amount of IFNγ produced ex vivo from T cells present in tumors after adoptive transfer of the CD8+ T cells was correlated with an increase in surface expression of MHC-I molecules by the tumor cells. We also show that these CD8+ T cells expressed PD-1 and upregulated its ligand PDL-1 on melanoma cells within the tumor. Despite upregulation of this immunosuppressive pathway, efficient IFNγ production in the melanoma microenvironment was found associated with resistance of STAT5CA-expressing CD8+ T cells to inhibition both by PD-1/PDL-1 engagement and by TGFβ1, two main immune regulatory mechanisms hampering the efficiency of immunotherapy in patients.
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Affiliation(s)
- Michel Buferne
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Lionel Chasson
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Magali Grange
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Amandine Mas
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Fanny Arnoux
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Mélanie Bertuzzi
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Philippe Naquet
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Lee Leserman
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Anne-Marie Schmitt-Verhulst
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
| | - Nathalie Auphan-Anezin
- Centre d'Immunologie de Marseille-Luminy (CIML); UM2 Aix-Marseille Université ; Marseille, France ; Institut National de la Santé et de la Recherche Médicale (INSERM) ; Marseille; France ; Centre National de la Recherche Scientifique (CNRS) ; Marseille; France
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Straetemans T, Berrevoets C, Coccoris M, Treffers-Westerlaken E, Wijers R, Cole DK, Dardalhon V, Sewell AK, Taylor N, Verweij J, Debets R. Recurrence of melanoma following T cell treatment: continued antigen expression in a tumor that evades T cell recruitment. Mol Ther 2014; 23:396-406. [PMID: 25363716 DOI: 10.1038/mt.2014.215] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 10/25/2014] [Indexed: 12/14/2022] Open
Abstract
Clinical therapy with T cells shows promise for cancer patients, but is currently challenged by incomplete responses and tumor relapse. The exact mechanisms that contribute to tumor relapse remain largely unclear. Here, we treated mouse melanomas with T cell receptor-engineered T cells directed against a human peptide-major histocompatibility complex antigen in immune-competent mice. T cells resulted in significant tumor regression, which was followed by relapse in about 80-90% of mice. Molecular analysis revealed that relapsed tumors harbored nonmutated antigen genes, not silenced by promoter methylation, and functionally expressed surface antigen at levels equal to nontreated tumors. Relapsed tumors resisted a second in vivo T cell treatment, but regained sensitivity to T cell treatment upon retransplantation in mice. Notably, relapsed tumors demonstrated decreased levels of CD8 T cells and monocytes, which were substantiated by downregulated expression of chemoattractants and adhesion molecules. These observations were confirmed when using T cells specific for a less immunogenic, endogenous mouse melanoma antigen. We conclude that tumors, when exposed to T cell treatment, can relapse without loss of antigen and develop a milieu that evades recruitment of effector CD8 T cells. Our findings support the concept to target the tumor milieu to aid T cell therapy in limiting tumor relapse.
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Affiliation(s)
- Trudy Straetemans
- Laboratory of Tumor Immunology, Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Cor Berrevoets
- Laboratory of Tumor Immunology, Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Miriam Coccoris
- Laboratory of Tumor Immunology, Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Elike Treffers-Westerlaken
- Laboratory of Tumor Immunology, Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Rebecca Wijers
- Laboratory of Tumor Immunology, Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - David K Cole
- Department of Medical Biochemistry and Immunology, Cardiff University School of Medicine, Cardiff, UK
| | - Valerie Dardalhon
- Institute de Génétique Moléculaire de Montpellier, Université Montpellier, Montpellier, France
| | - Andrew K Sewell
- Department of Medical Biochemistry and Immunology, Cardiff University School of Medicine, Cardiff, UK
| | - Naomi Taylor
- Institute de Génétique Moléculaire de Montpellier, Université Montpellier, Montpellier, France
| | - Jaap Verweij
- Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Reno Debets
- Laboratory of Tumor Immunology, Department of Medical Oncology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
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50
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Adler AJ, Vella AT. Betting on improved cancer immunotherapy by doubling down on CD134 and CD137 co-stimulation. Oncoimmunology 2014; 2:e22837. [PMID: 23482891 PMCID: PMC3583935 DOI: 10.4161/onci.22837] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The ability of T cells to recognize a vast array of antigens enables them to destroy tumor cells while inflicting minimal collateral damage. Nevertheless, tumor antigens often are a form of self-antigen, and thus tumor immunity can be dampened by tolerance mechanisms that evolved to prevent autoimmunity. Since tolerance can be induced by steady-state antigen-presenting cells that provide insufficient co-stimulation, the exogenous administration of co-stimulatory agonists can favor the expansion and tumoricidal functions of tumor-specific T cells. Agonists of the co-stimulatory tumor necrosis factor receptor (TNFR) family members CD134 and CD137 exert antitumor activity in mice, and as monotherapies have exhibited encouraging results in clinical trials. This review focuses on how the dual administration of CD134 and CD137 agonists synergistically boosts T-cell priming and elaborates a multi-pronged antitumor immune response, as well as how such dual co-stimulation might be translated into effective anticancer therapies.
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Affiliation(s)
- Adam J Adler
- Department of Immunology; University of Connecticut Health Center; Farmington, CT USA
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