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Hosseini TM, Park SJ, Guo T. The Mutational and Microenvironmental Landscape of Cutaneous Squamous Cell Carcinoma: A Review. Cancers (Basel) 2024; 16:2904. [PMID: 39199674 PMCID: PMC11352924 DOI: 10.3390/cancers16162904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2024] [Revised: 08/09/2024] [Accepted: 08/19/2024] [Indexed: 09/01/2024] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) manifests through the complex interactions of UV-induced DNA damage, genetic mutations, and alterations in the tumor microenvironment. A high mutational burden is present in cSCC, as well as both cSCC precursors and normal skin, making driver genes difficult to differentiate. Despite this, several key driver genes have been identified, including TP53, the NOTCH family, CDKN2A, PIK3CA, and EGFR. In addition to mutations, the tumor microenvironment and the manipulation and evasion of the immune system play a critical role in cSCC progression. Novel therapeutic approaches, such as immunotherapy and EGFR inhibitors, have been used to target these dysregulations, and have shown promise in treating advanced cSCC cases, emphasizing the need for targeted interventions considering both genetic and microenvironmental factors for improved patient outcomes.
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Affiliation(s)
- Tara M. Hosseini
- Gleiberman Head and Neck Cancer Center, Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
| | - Soo J. Park
- Gleiberman Head and Neck Cancer Center, Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
- Division of Hematology-Oncology, Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Theresa Guo
- Gleiberman Head and Neck Cancer Center, Moores Cancer Center, University of California San Diego, La Jolla, CA 92093, USA
- Department of Otolaryngology-Head & Neck Surgery, University of California San Diego, La Jolla, CA 92093, USA
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Zhao H, Ren Y, Kou H, Zhang J, Zhang X. Increased CD56 expression after photodynamic therapy indicates an increased natural killer cell count following early photodynamic therapy for cutaneous squamous cell carcinoma. Oncol Lett 2024; 28:372. [PMID: 38910905 PMCID: PMC11190733 DOI: 10.3892/ol.2024.14505] [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: 10/26/2023] [Accepted: 05/07/2024] [Indexed: 06/25/2024] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is the second most common type of skin cancer. Photodynamic therapy (PDT) is a promising therapeutic method for managing cSCC due to its proven ability to target specific areas over time and its low risk of side effects. PDT may cause tissue damage and vascular shutdown, and may regulate local immunological responses. The present study aimed to investigate and compare the early lymphocyte modifications before and after PDT for SCC. A total of 10 patients with SCC were identified by pathological investigation. Initially, all wounds were treated with 20% aminolevulinic acid (ALA)-PDT as the initial stage in the therapeutic procedure. The wounds were treated by exposing them to red LED light with a wavelength of 635 nm, an energy density of 100 J/cm2 and an intensity of 80 mW/cm2. The tumor tissue was surgically removed 24 h later, and another round of PDT therapy was administered. Immunohistochemistry for CD3 and CD56 was conducted on the wound tissue post-surgery. If the wound showed granulation, necrosis or secretion, debridement was added to the therapy. All patients were monitored for 0.6-1.0 year post-treatment. ALA-PDT combination surgery fully controlled the tumor tissue in all 10 patients. The immunohistochemical analysis of the wound tissues showed that the expression of CD56 increased, while the expression of CD3 was not different after photodynamic therapy. These results also indirectly indicated that the overall count of NK cells in the 10 patients increased, nevertheless, there was no alteration in the T lymphocyte count. In conclusion, the ALA-PDT combination surgical therapy for cSCC demonstrates favorable results. An increase in CD56 expression may be a mechanism for the effective treatment of cSCC with PDT.
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Affiliation(s)
- Hongqing Zhao
- Department of Plastic and Cosmetic Surgery, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
- Department of Plastic and Cosmetic Surgery, Nanbu County People's Hospital, Nanchong, Sichuan 637300, P.R. China
| | - Yuan Ren
- Department of Plastic and Cosmetic Surgery, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
- Department of Plastic and Cosmetic Surgery, Army Medical University, Chongqing 400042, P.R. China
| | - Huiling Kou
- Department of Plastic and Cosmetic Surgery, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Junbo Zhang
- Department of Plastic and Cosmetic Surgery, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
| | - Xingcun Zhang
- Department of Plastic and Cosmetic Surgery, Daping Hospital, Army Medical University, Chongqing 400042, P.R. China
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Luís JM, Files R, Cardoso C, Pimenta J, Maia G, Silva F, Queiroga FL, Prada J, Pires I. Immunohistochemical Expression Levels of Epidermal Growth Factor Receptor, Cyclooxygenase-2, and Ki-67 in Canine Cutaneous Squamous Cell Carcinomas. Curr Issues Mol Biol 2024; 46:4951-4967. [PMID: 38785565 PMCID: PMC11119584 DOI: 10.3390/cimb46050297] [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: 03/26/2024] [Revised: 05/07/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024] Open
Abstract
Squamous cell carcinoma (SCC) stands as the second most prevalent skin cancer in dogs, primarily attributed to UV radiation exposure. Affected areas typically include regions with sparse hair and pale or depigmented skin. The significance of spontaneous canine cutaneous SCC as a model for its human counterpart is underscored by its resemblance. This study assesses the expression of key markers-Epidermal Growth Factor Receptor (EGFR), Cyclooxygenase-2 (Cox-2), and Ki-67-in canine cutaneous SCC. Our objective is to investigate the association between their expression levels and classical clinicopathological parameters, unraveling the intricate relationships among these molecular markers. In our retrospective analysis of 37 cases, EGFR overexpression manifested in 43.2% of cases, while Cox-2 exhibited overexpression in 97.3%. The EGFR, Cox-2 overexpression, and Ki-67 proliferation indices, estimated through immunohistochemistry, displayed a significant association with the histological grade, but only EGFR labeling is associated with the presence of lymphovascular emboli. The Ki-67 labeling index expression exhibited an association with EGFR and Cox-2. These findings propose that EGFR, Cox-2, and Ki-67 hold promise as valuable markers in canine SCC. EGFR, Cox-2, and Ki-67 may serve as indicators of disease progression, offering insights into the malignancy of a lesion. The implications extend to the potential therapeutic targeting of EGFR and Cox-2 in managing canine SCC. Further exploration of these insights is warranted due to their translational relevance and the development of targeted interventions in the context of canine SCC.
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Affiliation(s)
- João Miguel Luís
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
| | - Rita Files
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
| | - Cláudia Cardoso
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
| | - José Pimenta
- Animal and Veterinary Research Centre (CECAV) and Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
- CIVG—Vasco da Gama Research Center/EUVG, Vasco da Gama University School, 3020-210 Coimbra, Portugal
| | - Gabriela Maia
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
| | - Filipe Silva
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
- Animal and Veterinary Research Centre (CECAV) and Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
| | - Felisbina L. Queiroga
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
- Animal and Veterinary Research Centre (CECAV) and Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
- Centre for the Study of Animal Science, CECA-ICETA, University of Porto, 4099-002 Porto, Portugal
| | - Justina Prada
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
- Animal and Veterinary Research Centre (CECAV) and Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
| | - Isabel Pires
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.M.L.); (R.F.); (G.M.); (J.P.)
- Animal and Veterinary Research Centre (CECAV) and Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
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Verner JM, Arbuthnott HF, Ramachandran R, Bharadwaj M, Chaudhury N, Jou E. Emerging roles of type 1 innate lymphoid cells in tumour pathogenesis and cancer immunotherapy. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2024; 5:296-315. [PMID: 38745765 PMCID: PMC11090689 DOI: 10.37349/etat.2024.00219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 12/14/2023] [Indexed: 05/16/2024] Open
Abstract
Innate lymphoid cells (ILCs) are the most recently discovered class of innate immune cells found to have prominent roles in various human immune-related pathologies such as infection and autoimmune diseases. However, their role in cancer was largely unclear until recently, where several emerging studies over the past few years unanimously demonstrate ILCs to be critical players in tumour immunity. Being the innate counterpart of T cells, ILCs are potent cytokine producers through which they orchestrate the overall immune response upstream of adaptive immunity thereby modulating T cell function. Out of the major ILC subsets, ILC1s have gained significant traction as potential immunotherapeutic candidates due to their central involvement with the anti-tumour type 1 immune response. ILC1s are potent producers of the well-established anti-tumour cytokine interferon γ (IFNγ), and exert direct cytotoxicity against cancer cells in response to the cytokine interleukin-15 (IL-15). However, in advanced diseases, ILC1s are found to demonstrate an exhausted phenotype in the tumour microenvironment (TME) with impaired effector functions, characterised by decreased responsiveness to cytokines and reduced IFNγ production. Tumour cells produce immunomodulatory cytokines such as transforming growth factor β (TGFβ) and IL-23, and through these suppress ILC1 anti-tumour actfivities and converts ILC1s to pro-tumoural ILC3s respectively, resulting in disease progression. This review provides a comprehensive overview of ILC1s in tumour immunity, and discusses the exciting prospects of harnessing ILC1s for cancer immunotherapy, either alone or in combination with cytokine-based treatment. The exciting prospects of targeting the upstream innate immune system through ILC1s may surmount the limitations associated with adaptive immune T cell-based strategies used in the clinic currently, and overcome cancer immunotherapeutic resistance.
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Affiliation(s)
| | | | - Raghavskandhan Ramachandran
- Medical Sciences Division, Oxford University Hospitals, OX3 9DU Oxford, United Kingdom
- Balliol College, University of Oxford, OX1 3BJ Oxford, United Kingdom
| | - Manini Bharadwaj
- Wexham Park Hospital, Frimley Health NHS Foundation Trust, SL2 4HL Slough, United Kingdom
| | - Natasha Chaudhury
- Wexham Park Hospital, Frimley Health NHS Foundation Trust, SL2 4HL Slough, United Kingdom
| | - Eric Jou
- Medical Sciences Division, Oxford University Hospitals, OX3 9DU Oxford, United Kingdom
- Wexham Park Hospital, Frimley Health NHS Foundation Trust, SL2 4HL Slough, United Kingdom
- Kellogg College, University of Oxford, OX2 6PN Oxford, United Kingdom
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Frey HC, Sun X, Oudeif F, Corona DL, He Z, Won T, Schultz TL, Carruthers VB, Laouar A, Laouar Y. A Membrane Lipid Signature Unravels the Dynamic Landscape of Group 1 ILCs. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.17.589821. [PMID: 38659946 PMCID: PMC11042254 DOI: 10.1101/2024.04.17.589821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
In an era where the established lines between cell identities are blurred by intra-lineage plasticity, distinguishing between stable and transitional states becomes imperative. This challenge is particularly pronounced within the Group 1 ILC lineage, where the similarity and plasticity between NK cells and ILC1s obscure their classification and the assignment of their unique contributions to immune regulation. This study exploits the unique property of Asialo-GM1 (AsGM1)-a membrane lipid associated with cytotoxic attributes absent in ILC1s-as a definitive criterion to distinguish between these cells. By prioritizing cytotoxic potential as the cardinal differentiator, our strategic use of the AsGM1 signature achieved precise delineation of NK cells and ILC1s across tissues, validated by RNA-seq analysis. This capability extends beyond steady-state classifications, adeptly capturing the binary classification of NK cells and ILC1s during acute liver injury. By leveraging two established models of NK-to-ILC1 plasticity driven by TGFβ and Toxoplasma gondii , we demonstrate the stability of the AsGM1 signature, which sharply contrasts with the loss of Eomes. This signature identified a spectrum of known and novel NK cell derivatives-ILC1-like entities that bridge traditional binary classifications in aging and infection. The early detection of the AsGM1 signature at the immature NK (iNK) stage, preceding Eomes, and its stability, unaffected by transcriptional reprogramming that typically alters Eomes, position AsGM1 as a unique, site-agnostic marker for fate mapping NK-to-ILC1 plasticity. This provides a powerful tool to explore the expanding heterogeneity within the Group 1 ILC landscape, effectively transcending the ambiguity inherent to the NK-to-ILC1 continuum.
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Fotso CT, Girel S, Anjuère F, Braud VM, Hubert F, Goudon T. A mixture-like model for tumor-immune system interactions. J Theor Biol 2024; 581:111738. [PMID: 38278343 DOI: 10.1016/j.jtbi.2024.111738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 11/20/2023] [Accepted: 01/10/2024] [Indexed: 01/28/2024]
Abstract
We introduce a mathematical model based on mixture theory intended to describe the tumor-immune system interactions within the tumor microenvironment. The equations account for the geometry of the tumor expansion, and the displacement of the immune cells, driven by diffusion and chemotactic mechanisms. They also take into account the constraints in terms of nutrient and oxygen supply. The numerical investigations analyze the impact of the different modeling assumptions and parameters. Depending on the parameters, the model can reproduce elimination, equilibrium or escape phases and it identifies a critical role of oxygen/nutrient supply in shaping the tumor growth. In addition, antitumor immune cells are key factors in controlling tumor growth, maintaining an equilibrium while protumor cells favor escape and tumor expansion.
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Affiliation(s)
| | - Simon Girel
- Université Côte d'Azur, Inria, CNRS, LJAD, Parc Valrose, F-06108, Nice, France
| | - Fabienne Anjuère
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire UMR 7275, 660 Route des Lucioles, F-06560, Valbonne, France
| | - Véronique M Braud
- Université Côte d'Azur, CNRS, Institut de Pharmacologie Moléculaire et Cellulaire UMR 7275, 660 Route des Lucioles, F-06560, Valbonne, France
| | - Florence Hubert
- I2M, Aix Marseille Université, CNRS, 39 rue F. Joliot-Curie, F-13453, Marseille, France
| | - Thierry Goudon
- Université Côte d'Azur, Inria, CNRS, LJAD, Parc Valrose, F-06108, Nice, France.
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Ji YZ, Jia LL, Liu SR. Inflammation and epigenetics of sporotrichosis disease. Semin Cell Dev Biol 2024; 154:193-198. [PMID: 36990829 DOI: 10.1016/j.semcdb.2023.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 02/26/2023] [Accepted: 02/26/2023] [Indexed: 03/30/2023]
Abstract
Sporotrichosis, a fungal disease, is caused by exposure to soil that harbors Sporothrix schenckii or through inhalation of fungal spores. Skin is the most frequently exposed organ making sporotrichosis a primarily dermal disease. Many described reports in the literature suggest a connection of sporotrichosis with cutaneous squamous cell carcinoma with some connection between initial sporotrichosis diagnosis and treatment followed by development of cutaneous squamous cell carcinoma at the very site. Conversely, there is also evidence for sporotrichosis subsequent to skin cancer diagnosis, even after cancer chemotherapy, which points towards weakening of immune response by cancer chemotherapy leading to attack and infection by Sporothrix schenckii. We also propose and focus on inflammation as the connection between sporotrichosis, cancer and even the metastatic spread of cancer. Inflammation-associated IL-6, IFN-γ, natural killer cells and M2-macrophages possibly mechanistically link sporotrichosis with cancer, particularly cutaneous squamous cell carcinoma. These inflammation related factors/cells are regulated epigenetically raising the possibility of epigenetic regulation of sporotrichosis, which has not been described yet in the available literature. Clinical management of inflammation may thus be effective strategy not just against sporotrichosis but also the related onset of cutaneous squamous cell carcinoma and possibly its metastasis to lymph nodes.
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Affiliation(s)
- Yong-Zhi Ji
- Department of Dermatology, The Second Hospital of Jilin University, Changchun, China
| | - Li-Li Jia
- Department of Dermatology, FAW General Hospital, Changchun, China
| | - Shi-Rui Liu
- Department of Dermatology, The Second Hospital of Jilin University, Changchun, China.
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Bourinet M, Anty R, Gual P, Luci C. Roles of innate lymphoid cells in metabolic and alcohol-associated liver diseases. JHEP Rep 2024; 6:100962. [PMID: 38304237 PMCID: PMC10831956 DOI: 10.1016/j.jhepr.2023.100962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/09/2023] [Accepted: 10/25/2023] [Indexed: 02/03/2024] Open
Abstract
Innate lymphoid cells (ILCs) have been identified as potent regulators of inflammation, cell death and wound healing, which are the main biological processes involved in the progression of chronic liver disease. Obesity and chronic alcohol consumption are the leading contributors to chronic liver diseases in developed countries, due to inappropriate lifestyles. In particular, inflammation is a key factor in these liver abnormalities and promotes the development of more severe lesions such as fibrosis, cirrhosis and hepatocellular carcinoma. Opposite roles of ILC subsets have been described in the development of chronic liver disease, depending on the stage and aetiology of the disease. The heterogeneous family of ILCs encompasses cytotoxic natural killer cells, the cytokine-producing type 1, 2 and 3 ILCs and lymphoid tissue inducer cells. Dysfunction of these immune cells provokes uncontrolled inflammation and tissue damage, which are the basis for tumour development. In this review, we provide an overview of the recent and putative roles of ILC subsets in obesity and alcohol-associated liver diseases, which are currently the major contributors to end-stage liver complications such as fibrosis/cirrhosis and hepatocellular carcinoma.
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Affiliation(s)
- Manon Bourinet
- Université Côte d’Azur, INSERM, U1065, C3M, Nice, France
| | - Rodolphe Anty
- Université Côte d’Azur, CHU, INSERM, U1065, C3M, Nice, France
| | - Philippe Gual
- Université Côte d’Azur, INSERM, U1065, C3M, Nice, France
| | - Carmelo Luci
- Université Côte d’Azur, INSERM, U1065, C3M, Nice, France
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Bakker D, Bakker WJ, Bekkenk MW, Luiten RM. Immunity against Non-Melanoma Skin Cancer and the Effect of Immunosuppressive Medication on Non-Melanoma Skin Cancer Risk in Solid Organ Transplant Recipients. Cells 2023; 12:2441. [PMID: 37887285 PMCID: PMC10605268 DOI: 10.3390/cells12202441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/22/2023] [Accepted: 10/10/2023] [Indexed: 10/28/2023] Open
Abstract
Non-melanoma skin cancers (NMSCs) occur frequently in the Caucasian population and are considered a burden for health care. Risk factors include ultraviolet (UV) radiation, ethnicity and immunosuppression. The incidence of NMSC is significantly higher in solid organ transplant recipients (SOTRs) than in immunocompetent individuals, due to immunosuppressive medication use by SOTRs. While the immunosuppressive agents, calcineurin inhibitors and purine analogues increase the incidence of NMSC in transplant recipients, mTOR inhibitors do not. This is most likely due to the different immunological pathways that are inhibited by each class of drug. This review will focus on what is currently known about the immune response against cutaneous squamous cell carcinoma (cSCC) and basal cell carcinoma (BCC), two of the main types of NMSC. Furthermore, we will describe the different classes of immunosuppressants given to SOTRs, which part of the immune system they target and how they can contribute to NMSC development. The risk of developing NMSC in SOTRs is the result of a combination of inhibiting immunological pathways involved in immunosurveillance against NMSC and the direct (pro/anti) tumor effects of immunosuppressants.
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Affiliation(s)
- Dixie Bakker
- Department of Dermatology, Netherlands Institute for Pigment Disorders, Amsterdam University Medical Centers, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Cancer Center Amsterdam, Amsterdam Institute for Infection and Immunity, 1081 HV Amsterdam, The Netherlands
| | - Walbert J. Bakker
- Department of Dermatology, Netherlands Institute for Pigment Disorders, Amsterdam University Medical Centers, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Cancer Center Amsterdam, Amsterdam Institute for Infection and Immunity, 1081 HV Amsterdam, The Netherlands
| | - Marcel W. Bekkenk
- Department of Dermatology, Netherlands Institute for Pigment Disorders, Amsterdam University Medical Centers, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Cancer Center Amsterdam, Amsterdam Institute for Infection and Immunity, 1081 HV Amsterdam, The Netherlands
- Amsterdam University Medical Centers, VU University of Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Rosalie M. Luiten
- Department of Dermatology, Netherlands Institute for Pigment Disorders, Amsterdam University Medical Centers, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
- Cancer Center Amsterdam, Amsterdam Institute for Infection and Immunity, 1081 HV Amsterdam, The Netherlands
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10
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Zhang Y, Ma S, Li T, Tian Y, Zhou H, Wang H, Huang L. ILC1-derived IFN-γ regulates macrophage activation in colon cancer. Biol Direct 2023; 18:56. [PMID: 37679802 PMCID: PMC10486120 DOI: 10.1186/s13062-023-00401-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 07/26/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND Tumor-associated macrophages (TAMs) are an important subset of innate immune cells in the tumor microenvironment, and they are pivotal regulators of tumor-promoting inflammation and tumor progression. Evidence has proven that TAM numbers are substantially increased in cancers, and most of these TAMs are polarized toward the alternatively activated M2 phenotype; Thus, these TAMs strongly promote the progression of cancer diseases. Type 1 innate lymphocytes (ILC1s) are present in high numbers in intestinal tissues and are characterized by the expression of the transcription factor T-bet and the secretion of interferon (IFN)-γ, which can promote macrophages to polarize toward the classically activated antitumor M1 phenotype. However, the relationship between these two cell subsets in colon cancer remains unclear. METHODS Flow cytometry was used to determine the percentages of M1-like macrophages, M2-like macrophages and ILC1s in colon cancer tissues and paracancerous healthy colon tissues in the AOM/DSS-induced mouse model of colon cancer. Furthermore, ILC1s were isolated and bone marrow-derived macrophages were generated to analyze the crosstalk that occurred between these cells when cocultured in vitro. Moreover, ILC1s were adoptively transferred or inhibited in vivo to explore the effects of ILC1s on tumor-infiltrating macrophages and tumor growth. RESULTS We found that the percentages of M1-like macrophages and ILC1s were decreased in colon cancer tissues, and these populations were positively correlated. ILC1s promoted the polarization of macrophages toward the classically activated M1-like phenotype in vitro, and this effect could be blocked by an anti-IFN-γ antibody. The in vivo results showed that the administration of the Group 1 innate lymphocyte-blocking anti-NK1.1 antibody decreased the number of M1-like macrophages in the tumor tissues of MC38 tumor-bearing mice and promoted tumor growth, and adoptive transfer of ILC1s inhibited tumors and increased the percentage of M1-like macrophages in MC38 tumor-bearing mice. CONCLUSIONS Our studies preliminarily prove for the first time that ILC1s promote the activation of M1-like macrophages by secreting IFN-γ and inhibit the progression of colon cancer, which may provide insight into immunotherapeutic approaches for colon cancer.
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Affiliation(s)
- Yandong Zhang
- Department of Rheumatology, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Shu Ma
- Department of Rheumatology, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Tie Li
- Department of Rheumatology, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Yu Tian
- Department of Laboratory Medicine, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, People's Republic of China
| | - Huangao Zhou
- Department of emergency medicine, Jiangyin People's Hospital, Wuxi, China.
| | - Hongsheng Wang
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou, China.
| | - Lan Huang
- Department of Laboratory Medicine, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, People's Republic of China.
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11
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Lim JX, Lai CY, Mallett GE, McDonald D, Hulme G, Laba S, Shapanis A, Payne M, Patterson W, Alexander M, Coxhead J, Filby A, Plummer R, Lovat PE, Sciume G, Healy E, Amarnath S. Programmed cell death-1 receptor-mediated regulation of Tbet +NK1.1 - innate lymphoid cells within the tumor microenvironment. Proc Natl Acad Sci U S A 2023; 120:e2216587120. [PMID: 37098069 PMCID: PMC10161089 DOI: 10.1073/pnas.2216587120] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 03/07/2023] [Indexed: 04/26/2023] Open
Abstract
Innate lymphoid cells (ILCs) play a key role in tissue-mediated immunity and can be controlled by coreceptor signaling. Here, we define a subset of ILCs that are Tbet+NK1.1- and are present within the tumor microenvironment (TME). We show programmed death-1 receptor (PD-1) expression on ILCs within TME is found in Tbet+NK1.1- ILCs. PD-1 significantly controlled the proliferation and function of Tbet+NK1.1- ILCs in multiple murine and human tumors. We found tumor-derived lactate enhanced PD-1 expression on Tbet+NK1.1- ILCs within the TME, which resulted in dampened the mammalian target of rapamycin (mTOR) signaling along with increased fatty acid uptake. In line with these metabolic changes, PD-1-deficient Tbet+NK1.1- ILCs expressed significantly increased IFNγ and granzyme B and K. Furthermore, PD-1-deficient Tbet+NK1.1- ILCs contributed toward diminished tumor growth in an experimental murine model of melanoma. These data demonstrate that PD-1 can regulate antitumor responses of Tbet+NK1.1- ILCs within the TME.
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Affiliation(s)
- Jing Xuan Lim
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
- Newcastle University Centre for Cancer, Medical School, Newcastle University,Newcastle upon TyneNE2 4HH, United Kingdom
| | - Chester Y. Lai
- Dermatopharmacology, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, SouthamptonSO16 6YD, United Kingdom
- Dermatology, University Hospital Southampton NHS Foundation Trust, SouthamptonSO16 6YD, United Kingdom
| | - Grace E. Mallett
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
- Newcastle University Centre for Cancer, Medical School, Newcastle University,Newcastle upon TyneNE2 4HH, United Kingdom
| | - David McDonald
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Gillian Hulme
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Stephanie Laba
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Andrew Shapanis
- Dermatopharmacology, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, SouthamptonSO16 6YD, United Kingdom
| | - Megan Payne
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Warren Patterson
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Michael Alexander
- Newcastle University Centre for Cancer, Medical School, Newcastle University,Newcastle upon TyneNE2 4HH, United Kingdom
| | - Jonathan Coxhead
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Andrew Filby
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Ruth Plummer
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
- Newcastle University Translational and Clinical Research Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Penny E. Lovat
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
- Newcastle University Translational and Clinical Research Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
| | - Giuseppe Sciume
- Department of Molecular Medicine, Sapienza University of Rome Laboratory affiliation to Institute Pasteur Italia-Fondazione Cenci Bolognetti, Rome00161, Italy
| | - Eugene Healy
- Dermatopharmacology, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, SouthamptonSO16 6YD, United Kingdom
- Dermatology, University Hospital Southampton NHS Foundation Trust, SouthamptonSO16 6YD, United Kingdom
| | - Shoba Amarnath
- Newcastle University Biosciences Institute, Medical School, Newcastle University, Newcastle upon TyneNE2 4HH, United Kingdom
- Newcastle University Centre for Cancer, Medical School, Newcastle University,Newcastle upon TyneNE2 4HH, United Kingdom
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12
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Ruf B, Greten TF, Korangy F. Innate lymphoid cells and innate-like T cells in cancer - at the crossroads of innate and adaptive immunity. Nat Rev Cancer 2023; 23:351-371. [PMID: 37081117 DOI: 10.1038/s41568-023-00562-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/13/2023] [Indexed: 04/22/2023]
Abstract
Immunotherapies targeting conventional T cells have revolutionized systemic treatment for many cancers, yet only a subset of patients benefit from these approaches. A better understanding of the complex immune microenvironment of tumours is needed to design the next generation of immunotherapeutics. Innate lymphoid cells (ILCs) and innate-like T cells (ILTCs) are abundant, tissue-resident lymphocytes that have recently been shown to have critical roles in many types of cancers. ILCs and ILTCs rapidly respond to changes in their surrounding environment and act as the first responders to bridge innate and adaptive immunity. This places ILCs and ILTCs as pivotal orchestrators of the final antitumour immune response. In this Review, we outline hallmarks of ILCs and ILTCs and discuss their emerging role in antitumour immunity, as well as the pathophysiological adaptations leading to their pro-tumorigenic function. We explore the pleiotropic, in parts redundant and sometimes opposing, mechanisms that underlie the delicate interplay between the different subsets of ILCs and ILTCs. Finally, we highlight their role in amplifying and complementing conventional T cell functions and summarize immunotherapeutic strategies for targeting ILCs and ILTCs in cancer.
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Affiliation(s)
- Benjamin Ruf
- Gastrointestinal Malignancy Section, Thoracic and Gastrointestinal Malignancies Branch, Centre for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Tim F Greten
- Gastrointestinal Malignancy Section, Thoracic and Gastrointestinal Malignancies Branch, Centre for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- NCI CCR Liver Cancer Program, National Institutes of Health, Bethesda, MD, USA
| | - Firouzeh Korangy
- Gastrointestinal Malignancy Section, Thoracic and Gastrointestinal Malignancies Branch, Centre for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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13
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Serum sPD1 and sPDL1 as Biomarkers for Evaluating the Immune State of Lung Adenocarcinoma Patients. J Immunol Res 2022; 2022:9101912. [PMID: 36479137 PMCID: PMC9720235 DOI: 10.1155/2022/9101912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 10/19/2022] [Accepted: 10/20/2022] [Indexed: 11/26/2022] Open
Abstract
A large proportion of cancer patients benefit from immune checkpoint therapy, while few studies focused on the relationship between soluble PD1 (sPD1) and soluble PDL1 (sPDL1) in serum and immune status of patients. ILC2 and M2 were confirmed to be related to immunosuppression in tumor patients. To determine whether sPD1 and sPDL1 are correlated with the ratio of ILC2 and M2 is helpful to explore the possibility of using sPD1 and sPDL1 as tumor molecular markers. Our results showed an immune balance toward ILC2 and M2-like monocytes in patients with LUAD compared with healthy controls. Meanwhile, decreased CD4+T and CD8+T cells, as well as elevated PD1+CD8+T cells, were found in patients with LUAD. The relative mRNA expression levels of ILC2- and M2-characteristic cytokines were also upregulated accompanied by decreased mRNA expression levels of ILC1- and M1-characteristic cytokines in patients with LUAD compared to healthy controls. Moreover, elevated ILC2 frequencies as well as the amount of IL-13 were positively correlated with the amount of sPD1, however, there was no correlation between them and sPDL1. These results suggested that sPD1 and sPDL1 can serve as diagnostic markers to predict the immune state of cancer patients.
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14
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To kill or not to kill - The role of the tumor microenvironment in shaping group 1 ILC functions. Semin Immunol 2022; 61-64:101670. [PMID: 36372017 PMCID: PMC7613863 DOI: 10.1016/j.smim.2022.101670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 11/01/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Group 1 innate lymphoid cells (ILC) comprise two major IFN-γ producing populations, namely Natural Killer (NK) cells, and ILC1s. Recent studies have revealed a complex and diverse composition of group 1 ILC subsets infiltrating different tumors. In this review, we will outline the commonalities and differences between group 1 ILC subsets in both mice and humans, discuss how the tissue and tumor microenvironment shapes their phenotype and functions, as well as describe their contrasting roles in the response to different cancers.
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15
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Yenyuwadee S, Aliazis K, Wang Q, Christofides A, Shah R, Patsoukis N, Boussiotis VA. Immune cellular components and signaling pathways in the tumor microenvironment. Semin Cancer Biol 2022; 86:187-201. [PMID: 35985559 PMCID: PMC10735089 DOI: 10.1016/j.semcancer.2022.08.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/12/2022] [Indexed: 11/24/2022]
Abstract
During the past decade there has been a revolution in cancer therapeutics by the emergence of antibody-based and cell-based immunotherapies that modulate immune responses against tumors. These new therapies have extended and improved the therapeutic efficacy of chemo-radiotherapy and have offered treatment options to patients who are no longer responding to these classic anti-cancer treatments. Unfortunately, tumor eradication and long-lasting responses are observed in a small fraction of patients, whereas the majority of patients respond only transiently. These outcomes indicate that the maximum potential of immunotherapy has not been reached due to incomplete knowledge of the cellular and molecular mechanisms that guide the development of successful anti-tumor immunity and its failure. In this review, we discuss recent discoveries about the immune cellular composition of the tumor microenvironment (TME) and the role of key signaling mechanisms that compromise the function of immune cells leading to cancer immune escape.
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Affiliation(s)
- Sasitorn Yenyuwadee
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School; Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Konstantinos Aliazis
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School
| | - Qi Wang
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School
| | - Anthos Christofides
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School
| | - Rushil Shah
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School
| | - Nikolaos Patsoukis
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School; Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School Boston, MA 02215, USA.
| | - Vassiliki A Boussiotis
- Division of Hematology-Oncology, Beth Israel Deaconess Medical Center; Department of Medicine Beth Israel Deaconess Medical Center, Harvard Medical School; Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School Boston, MA 02215, USA.
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16
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Bourdely P, Petti L, Khou S, Meghraoui-Kheddar A, Elaldi R, Cazareth J, Mossadegh-Keller N, Boyer J, Sieweke MH, Poissonnet G, Sudaka A, Braud VM, Anjuère F. Autofluorescence identifies highly phagocytic tissue-resident macrophages in mouse and human skin and cutaneous squamous cell carcinoma. Front Immunol 2022; 13:903069. [DOI: 10.3389/fimmu.2022.903069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 09/26/2022] [Indexed: 11/13/2022] Open
Abstract
Macrophages from human and mouse skin share phenotypic and functional features, but remain to be characterized in pathological skin conditions. Skin-resident macrophages are known to derive from embryonic precursors or from adult hematopoiesis. In this report, we investigated the origins, phenotypes and functions of macrophage subsets in mouse and human skin and in cutaneous squamous cell carcinoma (cSCC) using the spectral flow cytometry technology that enables cell autofluorescence to be considered as a full-fledged parameter. Autofluorescence identifies macrophage subsets expressing the CD206 mannose receptor in human peri-tumoral skin and cSCC. In mouse, all AF+ macrophages express the CD206 marker, a subset of which also displaying the TIM-4 marker. While TIM-4-CD206+ AF+ macrophages can differentiate from bone-marrow monocytes and infiltrate skin and tumor, TIM-4 identifies exclusively a skin-resident AF+ macrophage subset that can derive from prenatal hematopoiesis which is absent in tumor core. In mouse and human, AF+ macrophages from perilesional skin and cSCC are highly phagocytic cells contrary to their AF- counterpart, thus identifying autofluorescence as a bona fide marker for phagocytosis. Our data bring to light autofluorescence as a functional marker characterizing subsets of phagocytic macrophages in skin and cSCC. Autofluorescence can thus be considered as an attractive marker of function of macrophage subsets in pathological context.
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17
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Natural Killer Cell Recognition and Control of Epithelial Cancers. Cancer J 2022; 28:263-269. [PMID: 35880935 PMCID: PMC9336556 DOI: 10.1097/ppo.0000000000000610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Natural killer (NK) cells possess an innate ability to recognize cancer and are key mediators of cytotoxic efficacy for anticancer antibodies. Recent advances in the ability to generate, qualify, and safely infuse NK cells have led to a wide variety of clinical trials in oncology. Although their efficacy is best established for liquid cancers, their potential application in solid cancers has received increased attention. Here, we provide general background across a disparate group of exemplary solid tumors for which there is evidence for an NK cell role, discuss NK cell recognition motifs specific to each and murine and human studies of each that are supportive of NK cell adoptive immunotherapy, and end with special considerations relevant to the solid tumor microenvironment.
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18
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Braud VM, Meghraoui-Kheddar A, Elaldi R, Petti L, Germain C, Anjuère F. LLT1-CD161 Interaction in Cancer: Promises and Challenges. Front Immunol 2022; 13:847576. [PMID: 35185935 PMCID: PMC8854185 DOI: 10.3389/fimmu.2022.847576] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 01/20/2022] [Indexed: 12/19/2022] Open
Abstract
The success of immune checkpoint therapy in cancer has changed our way of thinking, promoting the design of future cancer treatments that places the immune system at the center stage. The knowledge gained on immune regulation and tolerance helped the identification of promising new clinical immune targets. Among them, the lectin-like transcript 1 (LLT1) is the ligand of CD161 (NKR-P1A) receptor expressed on natural killer cells and T cells. LLT1/CD161 interaction modulates immune responses but the exact nature of the signals delivered is still partially resolved. Investigation on the role of LLT1/CD161 interaction has been hampered by the lack of functional homologues in animal models. Also, some studies have been misled by the use of non-specific reagents. Recent studies and meta-analyses of single cell data are bringing new insights into the function of LLT1 and CD161 in human pathology and notably in cancer. The advances made on the characterization of the tumor microenvironment prompt us to integrate LLT1/CD161 interaction into the equation. This review recapitulates the key findings on the expression profile of LLT1 and CD161, their regulation, the role of their interaction in cancer development, and the relevance of targeting LLT1/CD161 interaction.
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Affiliation(s)
- Veronique M. Braud
- Université Côte d’Azur, CNRS UMR7275, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
- *Correspondence: Veronique M. Braud,
| | - Aïda Meghraoui-Kheddar
- Université Côte d’Azur, CNRS UMR7275, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | - Roxane Elaldi
- Université Côte d’Azur, CNRS UMR7275, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | - Luciana Petti
- Université Côte d’Azur, CNRS UMR7275, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
| | | | - Fabienne Anjuère
- Université Côte d’Azur, CNRS UMR7275, Institut de Pharmacologie Moléculaire et Cellulaire, Valbonne, France
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19
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Azin M, Demehri S. Innate Lymphoid Cells: New Targets for Cutaneous Squamous Cell Carcinoma Immunotherapy. J Invest Dermatol 2021; 141:2320-2322. [PMID: 34560914 DOI: 10.1016/j.jid.2021.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/03/2021] [Accepted: 04/12/2021] [Indexed: 10/20/2022]
Abstract
The importance of innate immune cells in cancer promotion has been long recognized. Luci et al. (2021) show a key role for innate lymphoid cells (ILCs) in controlling precancerous skin lesions and impaired function of NK cells and ILC1s during progression to cutaneous squamous cell carcinoma (cSCC). These results, together with other findings, suggest that activation of ILCs could serve as a novel immunotherapeutic strategy against cSCC.
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Affiliation(s)
- Marjan Azin
- Center for Cancer Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Shadmehr Demehri
- Center for Cancer Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA; Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
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