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Liu Y, Yu H, Duan X, Zhang X, Cheng T, Jiang F, Tang H, Ruan Y, Zhang M, Zhang H, Zhang Q. TransGEM: a molecule generation model based on Transformer with gene expression data. Bioinformatics 2024; 40:btae189. [PMID: 38632084 PMCID: PMC11078772 DOI: 10.1093/bioinformatics/btae189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 03/26/2024] [Accepted: 04/16/2024] [Indexed: 04/19/2024] Open
Abstract
MOTIVATION It is difficult to generate new molecules with desirable bioactivity through ligand-based de novo drug design, and receptor-based de novo drug design is constrained by disease target information availability. The combination of artificial intelligence and phenotype-based de novo drug design can generate new bioactive molecules, independent from disease target information. Gene expression profiles can be used to characterize biological phenotypes. The Transformer model can be utilized to capture the associations between gene expression profiles and molecular structures due to its remarkable ability in processing contextual information. RESULTS We propose TransGEM (Transformer-based model from gene expression to molecules), which is a phenotype-based de novo drug design model. A specialized gene expression encoder is used to embed gene expression difference values between diseased cell lines and their corresponding normal tissue cells into TransGEM model. The results demonstrate that the TransGEM model can generate molecules with desirable evaluation metrics and property distributions. Case studies illustrate that TransGEM model can generate structurally novel molecules with good binding affinity to disease target proteins. The majority of genes with high attention scores obtained from TransGEM model are associated with the onset of the disease, indicating the potential of these genes as disease targets. Therefore, this study provides a new paradigm for de novo drug design, and it will promote phenotype-based drug discovery. AVAILABILITY AND IMPLEMENTATION The code is available at https://github.com/hzauzqy/TransGEM.
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Affiliation(s)
- Yanguang Liu
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Hailong Yu
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Xinya Duan
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Xiaomin Zhang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Ting Cheng
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Feng Jiang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Hao Tang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Yao Ruan
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Miao Zhang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Hongyu Zhang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Qingye Zhang
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Informatics, Huazhong Agricultural University, Wuhan 430070, P.R. China
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Gingell L, Hrinczenko B. Characterizing the Immature Immunophenotype of Sickle Cell Disease Monocytes. Cureus 2024; 16:e60703. [PMID: 38899253 PMCID: PMC11186669 DOI: 10.7759/cureus.60703] [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] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
Sickle cell disease (SCD) is marked by episodic vaso-occlusive crisis (VOC). Recurrent VOC creates a pro-inflammatory state that induces phenotypic alterations in innate immune cells. Monocytes are of particular interest to VOC pathophysiology because they are especially malleable to inflammatory signaling. Indeed, inflammatory disease states such as chronic obstructive pulmonary disease (COPD), obesity and atherosclerosis are known to influence monocyte development and alter monocyte subpopulations. In this study, we describe SCD monocyte subsets by performing immunophenotypic flow cytometric, enzymatic, and morphologic analysis on peripheral blood. Herein, we add to the growing body of evidence suggesting aberrant monocyte populations underpin VOC pathophysiology. We found that SCD monocytes possess an immature phenotype as demonstrated by 1) decreased CD4 positivity (p < .01), 2) low α-naphthyl butyrate esterase (ANBE) expression, and 3) naïve morphologic features. We additionally found an increase in CD14+CD16-CD4- monocytes (p < .01), a subset associated with the impaired immune response of post-trauma patients. Interestingly, we also found a large proportion of CD14+CD4-HLA-DR- monocytes which, under normal circumstances, are exclusively found in neonates (p < .01). Finally, we report an increase in nonclassical monocytes (CD14dimCD16+), a subset recently shown to have a critical role in prevention and recovery from VOC.
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Affiliation(s)
- Luke Gingell
- Medical School, Michigan State University, Grand Rapids, USA
| | - Borys Hrinczenko
- Hematology/Oncology, Michigan State University, East Lansing, USA
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Fang B, Lu Y, Li X, Wei Y, Ye D, Wei G, Zhu Y. Targeting the tumor microenvironment, a new therapeutic approach for prostate cancer. Prostate Cancer Prostatic Dis 2024:10.1038/s41391-024-00825-z. [PMID: 38565910 DOI: 10.1038/s41391-024-00825-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/17/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND A growing number of studies have shown that in addition to adaptive immune cells such as CD8 + T cells and CD4 + T cells, various other cellular components within prostate cancer (PCa) tumor microenvironment (TME), mainly tumor-associated macrophages (TAMs), cancer-associated fibroblasts (CAFs) and myeloid-derived suppressor cells (MDSCs), have been increasingly recognized as important modulators of tumor progression and promising therapeutic targets. OBJECTIVE In this review, we aim to delineate the mechanisms by which TAMs, CAFs and MDSCs interact with PCa cells in the TME, summarize the therapeutic advancements targeting these cells and discuss potential new therapeutic avenues. METHODS We searched PubMed for relevant studies published through December 10 2023 on TAMs, CAFs and MDSCs in PCa. RESULTS TAMs, CAFs and MDSCs play a critical role in the tumorigenesis, progression, and metastasis of PCa. Moreover, they substantially mediate therapeutic resistance against conventional treatments including anti-androgen therapy, chemotherapy, and immunotherapy. Therapeutic interventions targeting these cellular components have demonstrated promising effects in preclinical models and several clinical trials for PCa, when administrated alone, or combined with other anti-cancer therapies. However, the lack of reliable biomarkers for patient selection and incomplete understanding of the mechanisms underlying the interactions between these cellular components and PCa cells hinder their clinical translation and utility. CONCLUSION New therapeutic strategies targeting TAMs, CAFs, and MDSCs in PCa hold promising prospects. Future research endeavors should focus on a more comprehensive exploration of the specific mechanisms by which these cells contribute to PCa, aiming to identify additional drug targets and conduct more clinical trials to validate the safety and efficacy of these treatment strategies.
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Affiliation(s)
- Bangwei Fang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Ying Lu
- Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Xiaomeng Li
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Yu Wei
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Dingwei Ye
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Gonghong Wei
- Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Yao Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China.
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Wakita H, Lu Y, Li X, Kobayashi T, Hachiya T, Ide H, Horie S. Evaluating Leukocyte Telomere Length and Myeloid-Derived Suppressor Cells as Biomarkers for Prostate Cancer. Cancers (Basel) 2024; 16:1386. [PMID: 38611064 PMCID: PMC11011111 DOI: 10.3390/cancers16071386] [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: 02/26/2024] [Revised: 03/27/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Leukocyte telomere length (LTL) and myeloid-derived suppressor cells (MDSC) are associated with aging and the development and progression of cancer. However, the exact nature of this relationship remains unclear. Our study aimed to investigate the potential of LTL and MDSC as diagnostic biomarkers for prostate cancer while also seeking to deepen our understanding of the relationship of these potential biomarkers to each other. METHODS Our study involved patients undergoing a prostate biopsy. We analyzed the relative LTL in genomic DNA obtained from peripheral blood leukocytes as well as the percentage of MDSC and their subtypes in peripheral blood mononuclear cells (PBMC). Our evaluation focused on examining the relationship between LTL and MDSC and pathological diagnoses as well as investigating the correlation between LTL and MDSC levels. RESULTS In our study of 102 participants, 56 were pathologically diagnosed with localized prostate cancer (cancer group), while 46 tested negative (control group). The cancer group exhibited significantly shorter LTL in comparison to the control group (p = 0.024). Additionally, the cancer group showed a tendency towards a higher percentage of monocytic MDSC (M-MDSC), although this difference did not reach statistical significance (p = 0.056). Our multivariate logistic regression analysis revealed that patients with shorter LTL and higher percentages of M-MDSC had a 2.98-fold (95% CI = 1.001-8.869, p = 0.049) and 3.03-fold (95% CI = 1.152-7.977, p = 0.025) increased risk of prostate cancer diagnosis, respectively. There was also a significant negative correlation between LTL and M-MDSC. (r = -0.347, p < 0.001). CONCLUSIONS Our research has established a correlation between LTL and MDSC in patients undergoing biopsy for prostate cancer. Notably, we observed that individuals with localized prostate cancer tend to have shorter LTL and a higher percentage of M-MDSC prior to their diagnosis. These findings suggest that LTL and M-MDSC could potentially serve as adjunctive biomarkers for the early diagnosis of prostate cancer.
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Affiliation(s)
- Haruhiko Wakita
- Department of Urology, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan; (H.W.); (Y.L.); (X.L.); (T.K.); (H.I.)
| | - Yan Lu
- Department of Urology, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan; (H.W.); (Y.L.); (X.L.); (T.K.); (H.I.)
| | - Xiaoxu Li
- Department of Urology, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan; (H.W.); (Y.L.); (X.L.); (T.K.); (H.I.)
| | - Takuro Kobayashi
- Department of Urology, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan; (H.W.); (Y.L.); (X.L.); (T.K.); (H.I.)
| | - Tsuyoshi Hachiya
- Department of Advanced Informatics for Genetic Disease, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan;
| | - Hisamitsu Ide
- Department of Urology, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan; (H.W.); (Y.L.); (X.L.); (T.K.); (H.I.)
- Department of Digital Therapeutics, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan
| | - Shigeo Horie
- Department of Urology, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan; (H.W.); (Y.L.); (X.L.); (T.K.); (H.I.)
- Department of Advanced Informatics for Genetic Disease, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan;
- Department of Digital Therapeutics, Graduate School of Medicine, Juntendo University, Tokyo 113-8431, Japan
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Wu J, Ji H, Li T, Guo H, Xu H, Zhu J, Tian J, Gao M, Wang X, Zhang A. Targeting the prostate tumor microenvironment by plant-derived natural products. Cell Signal 2024; 115:111011. [PMID: 38104704 DOI: 10.1016/j.cellsig.2023.111011] [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: 05/14/2023] [Revised: 10/31/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
Prostate cancer is among the most common malignancies for men, with limited therapy options for last stages of the tumor. There are some different options for treatment and control of prostate tumor growth. However, targeting some specific molecules and cells within tumors has been attracted interests in recent years. The tumor microenvironment (TME) has an important role in the initiation of various malignancies, which can also expand the progression of tumor and facilitate invasion of malignant cells. By regulating immune responses and distinct changes in the metabolism of cells in the tumor, TME has substantial effects in the resistance of cancer cells to therapy. TME in various solid cancers like prostate cancer includes various cells, including cancer cells, supportive stromal cells, immunosuppressive cells, and anticancer inflammatory cells. Natural products including herbal-derived agents and also other natural compounds have been well studied for their anti-tumor potentials. These compounds may modulate various signaling pathways involved in TME, such as immune responses, the metabolism of cells, epigenetics, angiogenesis, and extracellular matrix (ECM). This paper provides a review of the current knowledge of prostate TME and complex interactions in this environment. Additionally, the potential use of natural products and also nanoparticles loaded with natural products as therapeutic adjuvants on different cells and therapeutic targets within prostate TME will be discussed.
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Affiliation(s)
- Jiacheng Wu
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Hao Ji
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Tiantian Li
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Haifeng Guo
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - HaiFei Xu
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Jinfeng Zhu
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Jiale Tian
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Mingde Gao
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China
| | - Xiaolin Wang
- Department of Urology, Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China.
| | - Aihua Zhang
- The operating room of Affiliated Tumor Hospital of Nantong University & Nantong Tumor Hospital, 226361, China.
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Sheridan R, Brennan K, Bazou D, O’Gorman P, Matallanas D, Mc Gee MM. Multiple Myeloma Derived Extracellular Vesicle Uptake by Monocyte Cells Stimulates IL-6 and MMP-9 Secretion and Promotes Cancer Cell Migration and Proliferation. Cancers (Basel) 2024; 16:1011. [PMID: 38473370 PMCID: PMC10930391 DOI: 10.3390/cancers16051011] [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: 01/23/2024] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
Multiple Myeloma (MM) is an incurable haematological malignancy caused by uncontrolled growth of plasma cells. MM pathogenesis is attributed to crosstalk between plasma cells and the bone marrow microenvironment, where extracellular vesicles (EVs) play a role. In this study, EVs secreted from a panel of MM cell lines were isolated from conditioned media by ultracentrifugation and fluorescently stained EVs were co-cultured with THP-1 monocyte cells. MM EVs from three cell lines displayed a differential yet dose-dependent uptake by THP-1 cells, with H929 EVs displaying the greatest EV uptake compared to MM.1s and U266 EVs suggesting that uptake efficiency is dependent on the cell line of origin. Furthermore, MM EVs increased the secretion of MMP-9 and IL-6 from monocytes, with H929 EVs inducing the greatest effect, consistent with the greatest uptake efficiency. Moreover, monocyte-conditioned media collected following H929 EV uptake significantly increased the migration and proliferation of MM cells. Finally, EV proteome analysis revealed differential cargo enrichment that correlates with disease progression including a significant enrichment of spliceosome-related proteins in H929 EVs compared to the U266 and MM.1s EVs. Overall, this study demonstrates that MM-derived EVs modulate monocyte function to promote tumour growth and metastasis and reveals possible molecular mechanisms involved.
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Affiliation(s)
- Rebecca Sheridan
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland (K.B.)
| | - Kieran Brennan
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland (K.B.)
| | - Despina Bazou
- Department of Haematology, Mater Misericordiae University Hospital, D07 R2WY Dublin, Ireland; (D.B.)
- School of Medicine, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Peter O’Gorman
- Department of Haematology, Mater Misericordiae University Hospital, D07 R2WY Dublin, Ireland; (D.B.)
| | - David Matallanas
- Systems Biology Ireland, School of Medicine, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland;
| | - Margaret M. Mc Gee
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland (K.B.)
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
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Hao X, Ren C, Zhou H, Li M, Zhang H, Liu X. Association between circulating immune cells and the risk of prostate cancer: a Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 15:1358416. [PMID: 38405157 PMCID: PMC10884280 DOI: 10.3389/fendo.2024.1358416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/26/2024] [Indexed: 02/27/2024] Open
Abstract
Background There is still limited research on the association between immune cells and the risk of prostate cancer. Further investigations are warranted to comprehend the intricate associations at play. Methods We used a bidirectional two-sample Mendelian randomization (MR) analysis to investigate the causal relationship between immune cell phenotypes and prostate cancer. The summary data for immune cell phenotypes was derived from a study cohort, including 3,757 individuals from Sardinia with data on 731 immune cell phenotypes. The summary data for prostate cancer were obtained from the UK Biobank database. Sensitivity analyses were conducted, and the combination of MR-Egger and MR-Presso was used to assess horizontal pleiotropy. Cochran's Q test was employed to evaluate heterogeneity, and the results were subjected to FDR correction. Results Our study identified two immune cell phenotypes significantly associated with the risk of prostate cancer, namely CD25 on naive-mature B cells (OR = 0.998, 95% CI, 0.997-0.999, P = 2.33E-05, FDR = 0.017) and HLA DR on CD14- CD16- cells (OR = 1.001, 95% CI, 1.000-1.002, P = 8.01E-05, FDR = 0.03). When adjusting FDR to 0.2, we additionally found six immune cell phenotypes influencing the incidence of prostate cancer. These include FSC-A on B cells (OR = 1.002, 95% CI, 1.001-1.002, P = 7.77E-04, FDR = 0.133), HLA DR on plasmacytoid dendritic cells (OR = 1.001, 95% CI, 1.000-1.001, P = 0.001, FDR = 0.133), CD14+ CD16- monocyte % monocytes (OR = 1.002, 95% CI, 1.001-1.003, P = 0.001, FDR = 0.133), and HVEM on effector memory CD4+ T cells (OR = 1.001, 95% CI, 1.000-1.002, P = 0.002, FDR = 0.169), which are positively correlated with the risk of prostate cancer. Conversely, CD25 on IgD+ B cells (OR = 0.998, 95% CI, 0.997-0.999, P = 0.002, FDR = 0.169) and Monocytic Myeloid-Derived Suppressor Cells AC (OR = 0.999, 95% CI, 0.999-1.000, P = 0.002, FDR = 0.17) are negatively correlated with the risk of prostate cancer. Conclusion This study has revealed causal relationships between immune cell phenotypes and prostate cancer, supplying novel insights that might aid in identifying potential therapeutic targets of prostate cancer.
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Affiliation(s)
| | | | | | | | | | - Xiaoqiang Liu
- Department of Urology, Tianjin Medical University General Hospital, Tianjin, China
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8
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Lasser SA, Ozbay Kurt FG, Arkhypov I, Utikal J, Umansky V. Myeloid-derived suppressor cells in cancer and cancer therapy. Nat Rev Clin Oncol 2024; 21:147-164. [PMID: 38191922 DOI: 10.1038/s41571-023-00846-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2023] [Indexed: 01/10/2024]
Abstract
Anticancer agents continue to dominate the list of newly approved drugs, approximately half of which are immunotherapies. This trend illustrates the considerable promise of cancer treatments that modulate the immune system. However, the immune system is complex and dynamic, and can have both tumour-suppressive and tumour-promoting effects. Understanding the full range of immune modulation in cancer is crucial to identifying more effective treatment strategies. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of myeloid cells that develop in association with chronic inflammation, which is a hallmark of cancer. Indeed, MDSCs accumulate in the tumour microenvironment, where they strongly inhibit anticancer functions of T cells and natural killer cells and exert a variety of other tumour-promoting effects. Emerging evidence indicates that MDSCs also contribute to resistance to cancer treatments, particularly immunotherapies. Conversely, treatment approaches designed to eliminate cancer cells can have important additional effects on MDSC function, which can be either positive or negative. In this Review, we discuss the interplay between MDSCs and various other cell types found in tumours as well as the mechanisms by which MDSCs promote tumour progression. We also discuss the relevance and implications of MDSCs for cancer therapy.
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Affiliation(s)
- Samantha A Lasser
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (Deutsches Krebsforschungszentrum (DKFZ)), Heidelberg, Germany
- DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany
| | - Feyza G Ozbay Kurt
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (Deutsches Krebsforschungszentrum (DKFZ)), Heidelberg, Germany
- DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany
| | - Ihor Arkhypov
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (Deutsches Krebsforschungszentrum (DKFZ)), Heidelberg, Germany
- DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany
| | - Jochen Utikal
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center (Deutsches Krebsforschungszentrum (DKFZ)), Heidelberg, Germany
- DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany
| | - Viktor Umansky
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany.
- Skin Cancer Unit, German Cancer Research Center (Deutsches Krebsforschungszentrum (DKFZ)), Heidelberg, Germany.
- DKFZ-Hector Cancer Institute at the University Medical Center Mannheim, Mannheim, Germany.
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9
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Sun SH, Angell CD, Savardekar H, Sundi D, Abood D, Benner B, DiVincenzo MJ, Duggan M, Choueiry F, Mace T, Trikha P, Lapurga G, Johnson C, Carlson EJ, Chung C, Peterson BR, Lianbo Yu, Zhao J, Kendra KL, Carson WE. BTK inhibition potentiates anti-PD-L1 treatment in murine melanoma: potential role for MDSC modulation in immunotherapy. Cancer Immunol Immunother 2023; 72:3461-3474. [PMID: 37528320 PMCID: PMC10592087 DOI: 10.1007/s00262-023-03497-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 07/07/2023] [Indexed: 08/03/2023]
Abstract
Myeloid-derived suppressor cells (MDSC) have been linked to loss of immune effector cell function through a variety of mechanisms such as the generation of reactive oxygen and nitrogen species and the production of inhibitory cytokines. Our group has shown that signaling through Bruton's tyrosine kinase (BTK) is important for MDSC function. Ibrutinib is an orally administered targeted agent that inhibits BTK activation and is currently used for the treatment of B cell malignancies. Using a syngeneic murine model of melanoma, the effect of BTK inhibition with ibrutinib on the therapeutic response to systemic PD-L1 blockade was studied. BTK was expressed by murine MDSC and their activation was inhibited by ibrutinib. Ibrutinib was not directly cytotoxic to cancer cells in vitro, but it inhibited BTK activation in MDSC and reduced expression of inducible nitric oxide synthase (NOS2) and production of nitric oxide. Ibrutinib treatments decreased the levels of circulating MDSC in vivo and increased the therapeutic efficacy of anti-PD-L1 antibody treatment. Gene expression profiling showed that ibrutinib decreased Cybb (NOX2) signaling, and increased IL-17 signaling (upregulating downstream targets Mmp9, Ptgs2, and S100a8). These results suggest that further exploration of MDSC inhibition could enhance the immunotherapy of advanced melanoma.PrécisInhibition of Bruton's tyrosine kinase, a key enzyme in myeloid cellular function, improves therapeutic response to an anti-PD-L1 antibody in an otherwise fairly resistant murine melanoma model.
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Affiliation(s)
- Steven H Sun
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Division of Surgical Oncology, Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Colin D Angell
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Himanshu Savardekar
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Debasish Sundi
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Department of Urology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - David Abood
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Brooke Benner
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Mallory J DiVincenzo
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Megan Duggan
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Fouad Choueiry
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Thomas Mace
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
- Division of Gastrointestinal Oncology, Department of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Prashant Trikha
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Gabriella Lapurga
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Courtney Johnson
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Erick J Carlson
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Catherine Chung
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Blake R Peterson
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Lianbo Yu
- Department of Biomedical Informatics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Jing Zhao
- Department of Biomedical Informatics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Kari L Kendra
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - William E Carson
- James Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
- Division of Surgical Oncology, Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA.
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10
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Jia Y, Yao P, Li J, Wei X, Liu X, Wu H, Wang W, Feng C, Li C, Zhang Y, Cai Y, Zhang S, Ma X. Causal associations of Sjögren's syndrome with cancers: a two-sample Mendelian randomization study. Arthritis Res Ther 2023; 25:171. [PMID: 37715206 PMCID: PMC10503000 DOI: 10.1186/s13075-023-03157-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: 04/05/2023] [Accepted: 08/30/2023] [Indexed: 09/17/2023] Open
Abstract
BACKGROUND Several observational studies have explored the associations between Sjögren's syndrome (SS) and certain cancers. Nevertheless, the causal relationships remain unclear. Mendelian randomization (MR) method was used to investigate the causality between SS and different types of cancers. METHODS We conducted the two-sample Mendelian randomization with the public genome-wide association studies (GWASs) summary statistics in European population to evaluate the causality between SS and nine types of cancers. The sample size varies from 1080 to 372,373. The inverse variance weighted (IVW) method was used to estimate the causal effects. A Bonferroni-corrected threshold of P < 0.0031 was considered significant, and P value between 0.0031 and 0.05 was considered to be suggestive of an association. Sensitivity analysis was performed to validate the causality. Moreover, additional analysis was used to assess the associations between SS and well-accepted risk factors of cancers. RESULTS After correcting the heterogeneity and horizontal pleiotropy, the results indicated that patients with SS were significantly associated with an increased risk of lymphomas (odds ratio [OR] = 1.0010, 95% confidence interval [CI]: 1.0005-1.0015, P = 0.0002) and reduced risks of prostate cancer (OR = 0.9972, 95% CI: 0.9960-0.9985, P = 2.45 × 10-5) and endometrial cancer (OR = 0.9414, 95% CI: 0.9158-0.9676, P = 1.65 × 10-5). Suggestive associations were found in liver and bile duct cancer (OR = 0.9999, 95% CI: 0.9997-1.0000, P = 0.0291) and cancer of urinary tract (OR = 0.9996, 95% CI: 0.9992-1.0000, P = 0.0281). No causal effect of SS on other cancer types was detected. Additional MR analysis indicated that causal effects between SS and cancers were not mediated by the well-accepted risk factors of cancers. No evidence of the causal relationship was observed for cancers on SS. CONCLUSIONS SS had significant causal relationships with lymphomas, prostate cancer, and endometrial cancer, and suggestive evidence of association was found in liver and bile duct cancer and cancer of urinary tract, indicating that SS may play a vital role in the incidence of these malignancies.
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Affiliation(s)
- Yiwei Jia
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Peizhuo Yao
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Jia Li
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Xinyu Wei
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Xuanyu Liu
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Huizi Wu
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Weiwei Wang
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Cong Feng
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Chaofan Li
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Yu Zhang
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Yifan Cai
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China
| | - Shuqun Zhang
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China.
| | - Xingcong Ma
- Department of Oncology, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710004, People's Republic of China.
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11
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Carlson E, Savardekar H, Hu X, Lapurga G, Johnson C, Sun SH, Carson WE, Peterson BR. Fluorescent Detection of Peroxynitrite Produced by Myeloid-Derived Suppressor Cells in Cancer and Inhibition by Dasatinib. ACS Pharmacol Transl Sci 2023; 6:738-747. [PMID: 37200815 PMCID: PMC10186365 DOI: 10.1021/acsptsci.3c00014] [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: 01/20/2023] [Indexed: 05/20/2023]
Abstract
Myeloid-derived suppressor cells (MDSCs) are immature myeloid cells that expand dramatically in many cancer patients. This expansion contributes to immunosuppression in cancer and reduces the efficacy of immune-based cancer therapies. One mechanism of immunosuppression mediated by MDSCs involves production of the reactive nitrogen species peroxynitrite (PNT), where this strong oxidant inactivates immune effector cells through destructive nitration of tyrosine residues in immune signal transduction pathways. As an alternative to analysis of nitrotyrosines indirectly generated by PNT, we used an endoplasmic reticulum (ER)-targeted fluorescent sensor termed PS3 that allows direct detection of PNT produced by MDSCs. When the MDSC-like cell line MSC2 and primary MDSCs from mice and humans were treated with PS3 and antibody-opsonized TentaGel microspheres, phagocytosis of these beads led to production of PNT and generation of a highly fluorescent product. Using this method, we show that splenocytes from a EMT6 mouse model of cancer, but not normal control mice, produce high levels of PNT due to elevated numbers of granulocytic (PMN) MDSCs. Similarly, peripheral blood mononuclear cells (PBMCs) isolated from blood of human melanoma patients produced substantially higher levels of PNT than healthy human volunteers, coincident with higher peripheral MDSC levels. The kinase inhibitor dasatinib was found to potently block the production of PNT both by inhibiting phagocytosis in vitro and by reducing the number of granulocytic MDSCs in mice in vivo, providing a chemical tool to modulate the production of this reactive nitrogen species (RNS) in the tumor microenvironment.
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Affiliation(s)
- Erick
J. Carlson
- Division
of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Himanshu Savardekar
- Division
of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio 43210, United States
| | - Xiaojun Hu
- Division
of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Gabriella Lapurga
- Division
of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio 43210, United States
| | - Courtney Johnson
- Division
of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio 43210, United States
| | - Steven H. Sun
- Division
of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio 43210, United States
| | - William E. Carson
- Division
of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio 43210, United States
| | - Blake R. Peterson
- Division
of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, Ohio 43210, United States
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12
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Xu P, Yang JC, Chen B, Nip C, Van Dyke JE, Zhang X, Chen HW, Evans CP, Murphy WJ, Liu C. Androgen receptor blockade resistance with enzalutamide in prostate cancer results in immunosuppressive alterations in the tumor immune microenvironment. J Immunother Cancer 2023; 11:e006581. [PMID: 37147019 PMCID: PMC10163595 DOI: 10.1136/jitc-2022-006581] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/31/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Emerging data suggest that patients with enzalutamide-treated prostate cancer with increased programmed death-ligand 1 (PD-L1) expression may benefit from anti-PD-L1 treatment. Unfortunately, the Phase III IMbassador250 clinical trial revealed that the combination of atezolizumab (a PD-L1 inhibitor) and enzalutamide failed to extend overall survival in patients with castration-resistant prostate cancer (CRPC). However, the mechanisms underlying treatment failure remain unknown. METHODS Human CRPC C4-2B cells and murine Myc-CaP cells were chronically exposed to increasing concentrations of enzalutamide and the cells resistant to enzalutamide were referred to as C4-2B MDVR and Myc-CaP MDVR, respectively. The mechanisms of action in drug-resistant prostate cancer cells were determined using RNA sequencing analyses, RNA interference, real-time PCR, western blotting, and co-culturing technologies. Myc-CaP and Myc-CaP MDVR tumors were established in syngeneic FVB mice, and tumor-infiltrating leukocytes were isolated after enzalutamide treatment. The stained immune cells were determined by flow cytometry, and the data were analyzed using FlowJo. RESULTS Immune-related signaling pathways (interferon alpha/gamma response, inflammatory response, and cell chemotaxis) were suppressed in human enzalutamide-resistant prostate cancer cells. PD-L1 was overexpressed and negatively regulated by androgen receptor signaling in resistant cells and patient with CRPC cohorts. Enzalutamide treatment decreased CD8+ T-cell numbers but increased monocytic myeloid-derived suppressor cell (M-MDSC) populations and PD-L1 expression within murine Myc-CaP tumors. Similarly, chemotaxis and immune response-regulating signaling pathways were suppressed, and PD-L1 expression was also increased using enzalutamide-resistant Myc-CaP MDVR cells. Notably, MDSC populations were significantly increased in Myc-CaP MDVR orthotopic tumors compared with those in Myc-CaP parental tumors. Co-culturing bone marrow cells with Myc-CaP MDVR cells significantly promoted MDSC differentiation and shifted towards M2 macrophage skewing. CONCLUSIONS Our study suggests that immunosuppressive signaling can be promoted directly by enzalutamide-resistant prostate cancer cells and may be a potential means by which the efficacy of immune checkpoint inhibitors in enzalutamide-resistant prostate cancer is diminished.
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Affiliation(s)
- Pengfei Xu
- Department of Urologic Surgery, University of California Davis, Sacramento, California, USA
| | - Joy C Yang
- Department of Urologic Surgery, University of California Davis, Sacramento, California, USA
| | - Bo Chen
- Department of Urologic Surgery, University of California Davis, Sacramento, California, USA
| | - Christopher Nip
- Department of Urologic Surgery, University of California Davis, Sacramento, California, USA
| | - Jonathan E Van Dyke
- Flow Cytometry Core, University of California Davis, Sacramento, California, USA
| | - Xiong Zhang
- Department of Biochemistry and Molecular Medicine, University of California Davis, Davis, California, USA
| | - Hong-Wu Chen
- Department of Biochemistry and Molecular Medicine, University of California Davis, Davis, California, USA
- University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - Christopher P Evans
- Department of Urologic Surgery, University of California Davis, Sacramento, California, USA
- University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
| | - William J Murphy
- University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
- Department of Dermatology and Department of Internal Medicine, University of California Davis, Sacramento, California, USA
| | - Chengfei Liu
- Department of Urologic Surgery, University of California Davis, Sacramento, California, USA
- University of California Davis Comprehensive Cancer Center, Sacramento, California, USA
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13
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Bronte G, Conteduca V, Landriscina M, Procopio AD. Circulating myeloid-derived suppressor cells and survival in prostate cancer patients: systematic review and meta-analysis. Prostate Cancer Prostatic Dis 2023; 26:41-46. [PMID: 36411316 DOI: 10.1038/s41391-022-00615-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Immunotherapy has not achieved improvement of survival in prostate cancer patients. Myeloid-derived suppressor cells (MDSCs) in tumor microenvironment can hamper its efficacy. Some preclinical studies explored the role of MDSCs in prostate cancer development. We aimed to verify the availability of studies exploring the prognostic effect of circulating MDSCs in prostate cancer patients. METHODS We systematically selected studies for a meta-analysis, which compares survival between prostate cancer patients with high vs low circulating MDSC levels. We extracted or calculated hazard ratios (HRs) and relative 95% confidence intervals (CIs) in terms of overall survival (OS) from selected studies. We calculated the pooled HR and relative 95% CIs and estimated publication bias. RESULTS Among 133 studies retrieved from search on Pubmed, 5 eligible studies (236 prostate cancer patients) met inclusion criteria. High circulating MDSC levels are associated with a worse OS (HR = 2.19; 95%CI = 1.51-3.17). Heterogeneity was not significant (I2 = 0%; p = 0.64). Publication bias was also not significant (Egger's test, p = 0.09). CONCLUSIONS High levels of circulating MDSCs induce a worse OS in prostate cancer patients than in those with low levels. This finding supports the importance of MDSC detection and targeting also in prostate cancer patients.
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Affiliation(s)
- Giuseppe Bronte
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy.
- Clinic of Laboratory and Precision Medicine, National Institute of Health and Sciences on Ageing (IRCCS INRCA), Ancona, Italy.
| | - Vincenza Conteduca
- Department of Medical and Surgical Sciences, Unit of Medical Oncology and Biomolecular Therapy, University of Foggia, Policlinico Riuniti, Foggia, Italy
| | - Matteo Landriscina
- Department of Medical and Surgical Sciences, Unit of Medical Oncology and Biomolecular Therapy, University of Foggia, Policlinico Riuniti, Foggia, Italy
| | - Antonio Domenico Procopio
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy
- Clinic of Laboratory and Precision Medicine, National Institute of Health and Sciences on Ageing (IRCCS INRCA), Ancona, Italy
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14
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Yap NY, Ong TA, Pailoor J, Gobe G, Rajandram R. The significance of CD14 in clear cell renal cell carcinoma progression and survival prognosis. Biomarkers 2023; 28:24-31. [PMID: 36315054 DOI: 10.1080/1354750x.2022.2142292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Purpose: CD14-positive tumour and immune cells have been implicated in cancer progression. This study evaluated the prognostic significance of CD14 immunostaining in clear cell renal cell carcinoma (ccRCC) compared to the adjacent non-cancer kidney, and serum soluble CD14 (sCD14) levels in patients versus controls.Methods: Immunohistochemistry was performed for CD14 on ccRCC and the corresponding adjacent non-cancer kidney tissue from 88 patients. Staining intensity was determined using Aperio ImageScope morphometry. Serum sCD14 was evaluated for 39 ccRCC patients and 38 non-cancer controls using ELISA. CD14 levels were compared with tumour characteristics and survival status.Results: CD14 overall and nuclear immunostaining was higher in ccRCC compared to the adjacent non-cancer kidney tissue. CD14 nuclear immunostaining in the adjacent non-cancer kidney was significantly associated with advanced stage and adverse RCC survival prognosis. Serum sCD14 concentration was elevated in ccRCC patients compared to non-cancer controls and was also significantly associated with tumour stage and worse survival prognosis. Higher CD14 expression, in particular CD14 positive immune cell infiltrates found in the adjacent non-RCC kidney tissue, were associated with tumour progression and poorer prognosis.Conclusion: The levels of CD14 in non-RCC adjacent kidney and serum could be potential prognostic indicators.
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Affiliation(s)
- Ning Yi Yap
- Department of Surgery, Faculty of Medicine, Universiti Malaya, Malaysia.,Laboratory, Subang Jaya Medical Centre, Malaysia
| | - Teng Aik Ong
- Department of Surgery, Faculty of Medicine, Universiti Malaya, Malaysia.,Universiti Malaya Medical Centre, Malaysia
| | - Jayalakshmi Pailoor
- Laboratory, Subang Jaya Medical Centre, Malaysia.,Department of Pathology, Faculty of Medicine, Universiti Malaya, Malaysia
| | - Glenda Gobe
- Kidney Disease Research Collaborative, School of Biomedical Sciences, Translational Research Institute, The University of Queensland, Brisbane, Australia
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15
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Preite NW, Kaminski VDL, Borges BM, Calich VLG, Loures FV. Myeloid-derived suppressor cells are associated with impaired Th1 and Th17 responses and severe pulmonary paracoccidioidomycosis which is reversed by anti-Gr1 therapy. Front Immunol 2023; 14:1039244. [PMID: 36776848 PMCID: PMC9909482 DOI: 10.3389/fimmu.2023.1039244] [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: 09/07/2022] [Accepted: 01/10/2023] [Indexed: 01/27/2023] Open
Abstract
Previous studies on paracoccidioidomycosis (PCM), the most prevalent systemic mycosis in Latin America, revealed that host immunity is tightly regulated by several suppressive mechanisms mediated by tolerogenic plasmacytoid dendritic cells, the enzyme 2,3 indoleamine dioxygenase (IDO-1), and regulatory T-cells (Tregs). IDO-1 orchestrates local and systemic immunosuppressive effects through the recruitment and activation of myeloid-derived suppressor cells (MDSCs), a heterogeneous population of myeloid cells possessing a potent ability to suppress T-cell responses. However, the involvement of MDSCs in PCM remains uninvestigated. The presence, phenotype, and immunosuppressive activity of MDSCs were evaluated at 96 h, 2 weeks, and 8 weeks of pulmonary infection in C57BL/6 mice. Disease severity and immune responses were assessed in MDSC-depleted and nondepleted mice using an anti-Gr1 antibody. Both monocytic-like MDSCs (M-MDSCs) and polymorphonuclear-like MDSCs (PMN-MDSCs) massively infiltrated the lungs during Paracoccidioides brasiliensis infection. Partial reduction of MDSC frequency led to a robust Th1/Th17 lymphocyte response, resulting in regressive disease with a reduced fungal burden on target organs, diminishing lung pathology, and reducing mortality ratio compared with control IgG2b-treated mice. The suppressive activity of MDSCs on CD4 and CD8 T-lymphocytes and Th1/Th17 cells was also demonstrated in vitro using coculture experiments. Conversely, adoptive transfer of MDSCs to recipient P. brasiliensis-infected mice resulted in a more severe disease. Taken together, our data showed that the increased influx of MDSCs into the lungs was linked to more severe disease and impaired Th1 and Th17 protective responses. However, protective immunity was rescued by anti-Gr1 treatment, resulting in a less severe disease and controlled tissue pathology. In conclusion, MDSCs have emerged as potential target cells for the adjuvant therapy of PCM.
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Affiliation(s)
- Nycolas Willian Preite
- Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, São Paulo, Brazil
| | - Valéria de Lima Kaminski
- Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, São Paulo, Brazil
| | - Bruno Montanari Borges
- Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, São Paulo, Brazil
| | - Vera Lúcia Garcia Calich
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Flávio Vieira Loures
- Institute of Science and Technology, Federal University of São Paulo, São José dos Campos, São Paulo, Brazil,*Correspondence: Flávio Vieira Loures,
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16
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Endoplasmic reticulum stress mediates the myeloid-derived immune suppression associated with cancer and infectious disease. J Transl Med 2023; 21:1. [PMID: 36593497 PMCID: PMC9809056 DOI: 10.1186/s12967-022-03835-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 12/16/2022] [Indexed: 01/04/2023] Open
Abstract
Myeloid-derived suppressor cells (MDSCs), which are immature heterogeneous bone marrow cells, have been described as potent immune regulators in human and murine cancer models. The distribution of MDSCs varies across organs and is divided into three subpopulations: granulocytic MDSCs or polymorphonuclear MDSCs (G-MDSCs or PMN-MDSCs), monocytic MDSCs (M-MDSCs), as well as a recently identified early precursor MDSC (eMDSCs) in humans. Activated MDSCs induce the inactivation of NK cells, CD4+, and CD8+ T cells through a variety of mechanisms, thus promoting the formation of tumor immunosuppressive microenvironment. ER stress plays an important protecting role in the survival of MDSC, which aggravates the immunosuppression in tumors. In addition, ferroptosis can promote an anti-tumor immune response by reversing the immunosuppressive microenvironment. This review summarizes immune suppression by MDSCs with a focus on the role of endoplasmic reticulum stress-mediated immune suppression in cancer and infectious disease, in particular leprosy and tuberculosis.
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17
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Patysheva M, Frolova A, Larionova I, Afanas'ev S, Tarasova A, Cherdyntseva N, Kzhyshkowska J. Monocyte programming by cancer therapy. Front Immunol 2022; 13:994319. [PMID: 36341366 PMCID: PMC9631446 DOI: 10.3389/fimmu.2022.994319] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 09/27/2022] [Indexed: 08/27/2023] Open
Abstract
Monocytes in peripheral blood circulation are the precursor of essential cells that control tumor progression, that include tumor-associated macrophages (TAMs), dendritic cells (DCs) and myeloid-derive suppressor cells (MDSC). Monocytes-derived cells orchestrate immune reactions in tumor microenvironment that control disease outcome and efficiency of cancer therapy. Four major types of anti-cancer therapy, surgery, radiotherapy, chemotherapy, and most recent immunotherapy, affect tumor-associated macrophage (TAM) polarization and functions. TAMs can also decrease the efficiency of therapy in a tumor-specific way. Monocytes is a major source of TAMs, and are recruited to tumor mass from the blood circulation. However, the mechanisms of monocyte programming in circulation by different therapeutic onsets are only emerging. In our review, we present the state-of-the art about the effects of anti-cancer therapy on monocyte progenitors and their dedifferentiation, on the content of monocyte subpopulations and their transcriptional programs in the circulation, on their recruitment into tumor mass and their potential to give origin for TAMs in tumor-specific microenvironment. We have also summarized very limited available knowledge about genetics that can affect monocyte interaction with cancer therapy, and highlighted the perspectives for the therapeutic targeting of circulating monocytes in cancer patients. We summarized the knowledge about the mediators that affect monocytes fate in all four types of therapies, and we highlighted the perspectives for targeting monocytes to develop combined and minimally invasive anti-cancer therapeutic approaches.
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Affiliation(s)
- Marina Patysheva
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Tumor Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Anastasia Frolova
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Irina Larionova
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Tumor Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
- Laboratory of Genetic Technologies, Siberian State Medical University, Tomsk, Russia
| | - Sergey Afanas'ev
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Department of Abdominal Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Anna Tarasova
- Department of Abdominal Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Nadezhda Cherdyntseva
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
- Laboratory of Genetic Technologies, Siberian State Medical University, Tomsk, Russia
| | - Julia Kzhyshkowska
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Genetic Technologies, Siberian State Medical University, Tomsk, Russia
- Institute of Transfusion Medicine and Immunology, Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Red Cross Blood Service Baden-Württemberg – Hessen, Mannheim, Germany
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18
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Schenk EL, Boland JM, Withers SG, Bulur PA, Dietz AB. Tumor Microenvironment CD14 + Cells Correlate with Poor Overall Survival in Patients with Early-Stage Lung Adenocarcinoma. Cancers (Basel) 2022; 14:cancers14184501. [PMID: 36139660 PMCID: PMC9496975 DOI: 10.3390/cancers14184501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 11/16/2022] Open
Abstract
Patients with early-stage lung adenocarcinoma have a high risk of recurrent or metastatic disease despite undergoing curative intent therapy. We hypothesized that increased CD14+ cells within the tumor microenvironment (TME) could stratify patient outcomes. Immunohistochemistry for CD14 was performed on 189 specimens from patients with lung adenocarcinoma who underwent curative intent surgery. Outcomes and associations with clinical and pathologic variables were determined. In vitro studies utilized a coculture system to model the lung cancer TME containing CD14+ cells. Patients with high levels of TME CD14+ cells experienced a median overall survival of 5.5 years compared with 8.3 and 10.7 years for those with moderate or low CD14 levels, respectively (p < 0.001). Increased CD14+ cell tumor infiltration was associated with a higher stage at diagnosis and more positive lymph nodes at the time of surgery. This prognostic capacity remained even for patients with early-stage disease. Using an in vitro model system, we found that CD14+ cells reduced chemotherapy-induced cancer cell death. These data suggest that CD14+ cells are a biomarker for poor prognosis in early-stage lung adenocarcinoma and may promote tumor survival. CD14+ cell integration into the lung cancer TME can occur early in the disease and may be a promising new therapeutic avenue.
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Affiliation(s)
- Erin L. Schenk
- Department of Medicine, Division of Medical Oncology, Univeristy of Colorado, Aurora, CO 80045, USA
| | - Jennifer M. Boland
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Sarah G. Withers
- Human Cell Therapy Laboratory, Divisions of Transfusion Medicine and Experimental Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Peggy A. Bulur
- Human Cell Therapy Laboratory, Divisions of Transfusion Medicine and Experimental Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Allan B. Dietz
- Human Cell Therapy Laboratory, Divisions of Transfusion Medicine and Experimental Pathology, Mayo Clinic, Rochester, MN 55905, USA
- Correspondence:
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19
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Al-Mterin MA, Elkord E. Myeloid-derived suppressor cells in colorectal cancer: prognostic biomarkers and therapeutic targets. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2022; 3:497-510. [PMID: 36081407 PMCID: PMC9448663 DOI: 10.37349/etat.2022.00097] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/20/2022] [Indexed: 12/24/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are a group of immature myeloid cells, which are expanded in most cancer patients. MDSCs suppress host immune responses, leading to cancer growth and progression. Several studies demonstrated that there was a relationship between levels of MDSCs and tumorigenesis in colorectal cancer (CRC) patients. MDSCs are now being investigated for their role as possible therapeutic targets in cancer treatment. This review summarizes available studies that investigated MDSC expansion in CRC patients, as well as their role in CRC tumorigenesis, prognosis, and targeting. Based on the available studies, there is a possible relationship between high levels of MDSCs and CRC progression. Additionally, targeting MDSCs in CRC patients selectively represents a significant challenge for the development of targeted treatments. Targeting of MDSCs could be exploited in different ways including MDSC depletion, inhibition of MDSC function and recruitment, and enhancing MDSC differentiation. Overall, MDSCs could be exploited as prognostic biomarkers and potential therapeutic targets in CRC.
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Affiliation(s)
| | - Eyad Elkord
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa 616, Oman;Biomedical Research Center, School of Science, Engineering and Environment, University of Salford, M5 4WT Manchester, UK
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Schafer JM, Xiao T, Kwon H, Collier K, Chang Y, Abdel-Hafiz H, Bolyard C, Chung D, Yang Y, Sundi D, Ma Q, Theodorescu D, Li X, Li Z. Sex-biased adaptive immune regulation in cancer development and therapy. iScience 2022; 25:104717. [PMID: 35880048 PMCID: PMC9307950 DOI: 10.1016/j.isci.2022.104717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The cancer research field is finally starting to unravel the mystery behind why males have a higher incidence and mortality rate than females for nearly all cancer types of the non-reproductive systems. Here, we explain how sex - specifically sex chromosomes and sex hormones - drives differential adaptive immunity across immune-related disease states including cancer, and why males are consequently more predisposed to tumor development. We highlight emerging data on the roles of cell-intrinsic androgen receptors in driving CD8+ T cell dysfunction or exhaustion in the tumor microenvironment and summarize ongoing clinical efforts to determine the impact of androgen blockade on cancer immunotherapy. Finally, we outline a framework for future research in cancer biology and immuno-oncology, underscoring the importance of a holistic research approach to understanding the mechanisms of sex dimorphisms in cancer, so sex will be considered as an imperative factor for guiding treatment decisions in the future.
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Affiliation(s)
- Johanna M. Schafer
- Pelotonia Institute for Immuno-Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
| | - Tong Xiao
- Pelotonia Institute for Immuno-Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
| | - Hyunwoo Kwon
- Pelotonia Institute for Immuno-Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
- Medical Scientist Training Program, College of Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Katharine Collier
- Division of Medical Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
| | - Yuzhou Chang
- Pelotonia Institute for Immuno-Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
- Department of Biomedical Informatics, the Ohio State University, Columbus, OH 43210, USA
| | - Hany Abdel-Hafiz
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Medicine and Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Chelsea Bolyard
- Pelotonia Institute for Immuno-Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
| | - Dongjun Chung
- Department of Biomedical Informatics, the Ohio State University, Columbus, OH 43210, USA
| | - Yuanquan Yang
- Division of Medical Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
| | - Debasish Sundi
- Department of Urology, the Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA
| | - Qin Ma
- Department of Biomedical Informatics, the Ohio State University, Columbus, OH 43210, USA
| | - Dan Theodorescu
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Xue Li
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
- Department of Medicine and Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Zihai Li
- Pelotonia Institute for Immuno-Oncology, the Ohio State University Comprehensive Cancer Center – the James, Columbus, OH 43210, USA
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21
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Rzepecka A, Jagielski D, Cywińska A, Sapierzyński R, Żmigrodzka M, Witkowska-Piłaszewicz O, Winnicka A. MHCII Expression on Peripheral Blood Monocytes in Canine Lymphoma: An Impact of Glucocorticoids. Animals (Basel) 2022; 12:ani12162135. [PMID: 36009726 PMCID: PMC9404857 DOI: 10.3390/ani12162135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 08/17/2022] [Accepted: 08/17/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Loss or decreased expression of human leukocyte antigen—D-related (HLA-DR) on the surface of monocytes is related to the dysfunction of the immune system and was reported in human neoplasia, including lymphoma. Canine lymphoma is frequently presented as a valuable comparative model for studies on human non-Hodgkin’s lymphoma. However, there are no studies on the expression of analogue proteins—MHCII antigens—on monocytes in canine lymphoma. In this study, we have evaluated the changes in the expression of MHCII on monocytes in the blood of dogs with lymphoma before any treatment and in dogs that had previously received glucocorticoids. Glucocorticoids are often used by clinicians as first drugs after diagnosis for immediate health improvement and are known to impact monocyte number. We have shown an increase in the percentage of MHCII− monocytes, regardless of treatment. However, only in dogs that had received glucocorticoids were changes in the proportion of MHCII+ and MHCII− monocytes reflected also by the changes in the number of MHCII− monocytes in the blood, which was significantly higher. Evaluating the changes in canine monocytes might be helpful in the diagnosis of various tumor types, monitoring of the treatment or assessing the immune status of dogs. Abstract An increase in the percentage of monocytes with reduced HLA-DR expression and immunosuppressive properties has been reported in numerous human neoplastic diseases, including lymphoma. However, there are no analogous studies on phenotypical variations in the peripheral blood monocytes in dogs with lymphoma. The aim of this study was to determine the difference in the expression of the MHCII molecule on peripheral blood monocytes in dogs with lymphoma before any treatment (NRG) and in dogs that had previously received glucocorticoids (RG) in comparison to healthy dogs. Flow cytometry immunophenotyping of peripheral blood leukocytes was performed using canine-specific or cross-reactive antibodies against CD11b, CD14 and MHCII. In the blood of dogs with lymphoma (NRG and RG), compared to that of healthy ones, the MHCII+ and MHCII− monocytes ratio was changed due to an increase in the percentage of MHCII− monocytes. The number of MHCII− monocytes was significantly higher only in RG dogs compared to healthy ones, which might result from the release of these cells from the blood marginal pool due to the action of glucocorticoids. Our results encourage further studies to assess if changes in MHCII expression affect immune status in dogs with lymphoma.
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Affiliation(s)
- Alicja Rzepecka
- Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-787 Warsaw, Poland
- Correspondence:
| | | | - Anna Cywińska
- Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, 87-100 Toruń, Poland
| | - Rafał Sapierzyński
- Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-787 Warsaw, Poland
| | - Magdalena Żmigrodzka
- Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-787 Warsaw, Poland
| | | | - Anna Winnicka
- Institute of Veterinary Medicine, Warsaw University of Life Sciences, 02-787 Warsaw, Poland
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22
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Siemińska I, Baran J. Myeloid-Derived Suppressor Cells as Key Players and Promising Therapy Targets in Prostate Cancer. Front Oncol 2022; 12:862416. [PMID: 35860573 PMCID: PMC9289201 DOI: 10.3389/fonc.2022.862416] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 06/06/2022] [Indexed: 12/27/2022] Open
Abstract
Prostate cancer (PC) is the second most often diagnosed malignancy in men and one of the major causes of cancer death worldwide. Despite genetic predispositions, environmental factors, including a high-fat diet, obesity, a sedentary lifestyle, infections of the prostate, and exposure to chemicals or ionizing radiation, play a crucial role in PC development. Moreover, due to a lack of, or insufficient T-cell infiltration and its immunosuppressive microenvironment, PC is frequently classified as a “cold” tumor. This is related to the absence of tumor-associated antigens, the lack of T-cell activation and their homing into the tumor bed, and the presence of immunological cells with regulatory functions, including myeloid-derived suppressor cells (MDSCs), regulatory T cells (Treg), and tumor-associated macrophages (TAMs). All of them, by a variety of means, hamper anti-tumor immune response in the tumor microenvironment (TME), stimulating tumor growth and the formation of metastases. Therefore, they emerge as potential anti-cancer therapy targets. This article is focused on the function and role of MDSCs in the initiation and progression of PC. Clinical trials directly targeting this cell population or affecting its biological functions, thus limiting its pro-tumorigenic activity, are also presented.
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Affiliation(s)
- Izabela Siemińska
- Department of Clinical Immunology, Jagiellonian University Medical College, Cracow, Poland
- University Centre of Veterinary Medicine, Jagiellonian University - University of Agriculture, Cracow, Poland
| | - Jarek Baran
- Department of Clinical Immunology, Jagiellonian University Medical College, Cracow, Poland
- *Correspondence: Jarek Baran,
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23
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Busà R, Bulati M, Badami E, Zito G, Maresca DC, Conaldi PG, Ercolano G, Ianaro A. Tissue-Resident Innate Immune Cell-Based Therapy: A Cornerstone of Immunotherapy Strategies for Cancer Treatment. Front Cell Dev Biol 2022; 10:907572. [PMID: 35757002 PMCID: PMC9221069 DOI: 10.3389/fcell.2022.907572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/03/2022] [Indexed: 11/18/2022] Open
Abstract
Cancer immunotherapy has led to impressive advances in cancer treatment. Unfortunately, in a high percentage of patients is difficult to consistently restore immune responses to eradicate established tumors. It is well accepted that adaptive immune cells, such as B lymphocytes, CD4+ helper T lymphocytes, and CD8+ cytotoxic T-lymphocytes (CTLs), are the most effective cells able to eliminate tumors. However, it has been recently reported that innate immune cells, including natural killer cells (NK), dendritic cells (DC), macrophages, myeloid-derived suppressor cells (MDSCs), and innate lymphoid cells (ILCs), represent important contributors to modulating the tumor microenvironment and shaping the adaptive tumor response. In fact, their role as a bridge to adaptive immunity, make them an attractive therapeutic target for cancer treatment. Here, we provide a comprehensive overview of the pleiotropic role of tissue-resident innate immune cells in different tumor contexts. In addition, we discuss how current and future therapeutic approaches targeting innate immune cells sustain the adaptive immune system in order to improve the efficacy of current tumor immunotherapies.
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Affiliation(s)
- Rosalia Busà
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - Matteo Bulati
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - Ester Badami
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
- Ri.MED Foundation, Palermo, Italy
| | - Giovanni Zito
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | | | - Pier Giulio Conaldi
- Research Department, Mediterranean Institute for Transplantation and Advanced Specialized Therapies (IRCCS ISMETT), Palermo, Italy
| | - Giuseppe Ercolano
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
- *Correspondence: Giuseppe Ercolano,
| | - Angela Ianaro
- Department of Pharmacy, School of Medicine, University of Naples Federico II, Naples, Italy
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24
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Role of T Regulatory Cells and Myeloid-Derived Suppressor Cells in COVID-19. J Immunol Res 2022; 2022:5545319. [PMID: 35497875 PMCID: PMC9042623 DOI: 10.1155/2022/5545319] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/13/2022] [Accepted: 03/28/2022] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) has been raised as a pandemic disease since December 2019. Immunosuppressive cells including T regulatory cells (Tregs) and myeloid-derived suppressor cells (MDSCs) are key players in immunological tolerance and immunoregulation; however, they contribute to the pathogenesis of different diseases including infections. Tregs have been shown to impair the protective role of CD8+ T lymphocytes against viral infections. In COVID-19 patients, most studies reported reduction, while few other studies found elevation in Treg levels. Moreover, Tregs have a dual role, depending on the different stages of COVID-19 disease. At early stages of COVID-19, Tregs have a critical role in decreasing antiviral immune responses, and consequently reducing the viral clearance. On the other side, during late stages, Tregs reduce inflammation-induced organ damage. Therefore, inhibition of Tregs in early stages and their expansion in late stages have potentials to improve clinical outcomes. In viral infections, MDSC levels are highly increased, and they have the potential to suppress T cell proliferation and reduce viral clearance. Some subsets of MDSCs are expanded in the blood of COVID-19 patients; however, there is a controversy whether this expansion has pathogenic or protective effects in COVID-19 patients. In conclusion, further studies are required to investigate the role and function of immunosuppressive cells and their potentials as prognostic biomarkers and therapeutic targets in COVID-19 patients.
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25
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Narayan V, Barber-Rotenberg JS, Jung IY, Lacey SF, Rech AJ, Davis MM, Hwang WT, Lal P, Carpenter EL, Maude SL, Plesa G, Vapiwala N, Chew A, Moniak M, Sebro RA, Farwell MD, Marshall A, Gilmore J, Lledo L, Dengel K, Church SE, Hether TD, Xu J, Gohil M, Buckingham TH, Yee SS, Gonzalez VE, Kulikovskaya I, Chen F, Tian L, Tien K, Gladney W, Nobles CL, Raymond HE, Hexner EO, Siegel DL, Bushman FD, June CH, Fraietta JA, Haas NB. PSMA-targeting TGFβ-insensitive armored CAR T cells in metastatic castration-resistant prostate cancer: a phase 1 trial. Nat Med 2022; 28:724-734. [PMID: 35314843 PMCID: PMC10308799 DOI: 10.1038/s41591-022-01726-1] [Citation(s) in RCA: 201] [Impact Index Per Article: 100.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 01/31/2022] [Indexed: 02/07/2023]
Abstract
Chimeric antigen receptor (CAR) T cells have demonstrated promising efficacy, particularly in hematologic malignancies. One challenge regarding CAR T cells in solid tumors is the immunosuppressive tumor microenvironment (TME), characterized by high levels of multiple inhibitory factors, including transforming growth factor (TGF)-β. We report results from an in-human phase 1 trial of castration-resistant, prostate cancer-directed CAR T cells armored with a dominant-negative TGF-β receptor (NCT03089203). Primary endpoints were safety and feasibility, while secondary objectives included assessment of CAR T cell distribution, bioactivity and disease response. All prespecified endpoints were met. Eighteen patients enrolled, and 13 subjects received therapy across four dose levels. Five of the 13 patients developed grade ≥2 cytokine release syndrome (CRS), including one patient who experienced a marked clonal CAR T cell expansion, >98% reduction in prostate-specific antigen (PSA) and death following grade 4 CRS with concurrent sepsis. Acute increases in inflammatory cytokines correlated with manageable high-grade CRS events. Three additional patients achieved a PSA reduction of ≥30%, with CAR T cell failure accompanied by upregulation of multiple TME-localized inhibitory molecules following adoptive cell transfer. CAR T cell kinetics revealed expansion in blood and tumor trafficking. Thus, clinical application of TGF-β-resistant CAR T cells is feasible and generally safe. Future studies should use superior multipronged approaches against the TME to improve outcomes.
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Affiliation(s)
- Vivek Narayan
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Julie S Barber-Rotenberg
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - In-Young Jung
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Simon F Lacey
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Andrew J Rech
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA
| | - Megan M Davis
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Wei-Ting Hwang
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Priti Lal
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Erica L Carpenter
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA
| | - Shannon L Maude
- Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Gabriela Plesa
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Neha Vapiwala
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Anne Chew
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael Moniak
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ronnie A Sebro
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael D Farwell
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Amy Marshall
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Joan Gilmore
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Lester Lledo
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Karen Dengel
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | | | | | - Jun Xu
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Mercy Gohil
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Thomas H Buckingham
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA
| | - Stephanie S Yee
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA
| | - Vanessa E Gonzalez
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Irina Kulikovskaya
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Fang Chen
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Lifeng Tian
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Kyle Tien
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA
| | - Whitney Gladney
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Christopher L Nobles
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Hayley E Raymond
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Elizabeth O Hexner
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Donald L Siegel
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Frederic D Bushman
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Carl H June
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA.
| | - Joseph A Fraietta
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Center for Cellular Immunotherapies, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, PA, USA.
| | - Naomi B Haas
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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26
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Bayik D, Lee J, Lathia JD. The Role of Myeloid-Derived Suppressor Cells in Tumor Growth and Metastasis. EXPERIENTIA SUPPLEMENTUM (2012) 2022; 113:189-217. [PMID: 35165865 DOI: 10.1007/978-3-030-91311-3_7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Myeloid-derived suppressor cells (MDSCs) are immature bone marrow-derived suppressive cells that are an important component of the pathological immune response associated with cancer. Expansion of MDSCs has been linked to poor disease outcome and therapeutic resistance in patients with various malignancies, making these cells potential targets for next-generation treatment strategies. MDSCs are classified into monocytic (M-MDSC) and polymorphonuclear/granulocytic (PMN-MDSC) subtypes that undertake distinct and numerous roles in the tumor microenvironment or systemically to drive disease progression. In this chapter, we will discuss how MDSC subsets contribute to the growth of primary tumors and induce metastatic spread by suppressing the antitumor immune response, supporting cancer stem cell (CSC)/epithelial-to-mesenchymal transition (EMT) phenotypes and promoting angiogenesis. We will also summarize the signaling networks involved in the crosstalk between cancer cells and MDSCs that could represent putative immunotherapy targets.
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Affiliation(s)
- Defne Bayik
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.,Case Comprehensive Cancer Center, Euclid, OH, USA
| | - Juyeun Lee
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Justin D Lathia
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA. .,Case Comprehensive Cancer Center, Euclid, OH, USA.
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27
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Patysheva M, Larionova I, Stakheyeva M, Grigoryeva E, Iamshchikov P, Tarabanovskaya N, Weiss C, Kardashova J, Frolova A, Rakina M, Prostakishina E, Zhuikova L, Cherdyntseva N, Kzhyshkowska J. Effect of Early-Stage Human Breast Carcinoma on Monocyte Programming. Front Oncol 2022; 11:800235. [PMID: 35237501 PMCID: PMC8882686 DOI: 10.3389/fonc.2021.800235] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/29/2021] [Indexed: 12/12/2022] Open
Abstract
Circulating monocytes are a major source of tumor-associated macrophages (TAMs). TAMs in human breast cancer (BC) support primary tumor growth and metastasis. Neoadjuvant chemotherapy (NAC) is a commonly used treatment for BC patients. The absence of the response to NAC has major negative consequences for the patient: increase of tumor mass, delayed surgery, and unnecessary toxicity. We aimed to identify the effect of BC on the subpopulation content and transcriptome of circulating monocytes. We examined how monocyte phenotypes correlate with the response to NAC. The percentage of CD14-, CD16-, CD163-, and HLA-DR-expressing monocytes was quantified by flow cytometry for patients with T1-4N0-3M0 before NAC. The clinical efficacy of NAC was assessed by RECIST criteria of RECIST 1.1 and by the pathological complete response (pCR). The percentage of CD14+ and СD16+ monocytes did not differ between healthy women and BC patients and did not differ between NAC responders and non-responders. The percentage of CD163-expressing CD14lowCD16+ and CD14+CD16+ monocytes was increased in BC patients compared to healthy women (99.08% vs. 60.00%, p = 0.039, and 98.08% vs. 86.96%, p = 0.046, respectively). Quantitative immunohistology and confocal microscopy demonstrated that increased levels of CD163+ monocytes are recruited in the tumor after NAC. The percentage of CD14lowCD16+ in the total monocyte population positively correlated with the response to NAC assessed by pCR: 8.3% patients with pCR versus 2.5% without pCR (p = 0.018). Search for the specific monocyte surface markers correlating with NAC response evaluated by RECIST 1.1 revealed that patients with no response to NAC had a significantly lower amount of CD14lowCD16+HLA-DR+ cells compared to the patients with clinical response to NAC (55.12% vs. 84.62%, p = 0.005). NGS identified significant changes in the whole transcriptome of monocytes of BC patients. Regulators of inflammation and monocyte migration were upregulated, and genes responsible for the chromatin remodeling were suppressed in monocyte BC patients. In summary, our study demonstrated that presence of BC before distant metastasis is detectable, significantly effects on both monocyte phenotype and transcriptome. The most striking surface markers were CD163 for the presence of BC, and HLA-DR (CD14lowCD16+HLA-DR+) for the response to NAC.
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Affiliation(s)
- Marina Patysheva
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Tumor Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Irina Larionova
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Tumor Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
- Laboratory of Genetic Technologies, Siberian State Medical University, Tomsk, Russia
| | - Marina Stakheyeva
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Evgeniya Grigoryeva
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Pavel Iamshchikov
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
| | - Natalia Tarabanovskaya
- Breast Cancer Unit, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Christel Weiss
- Department of Medical Statistics and Biomathematics, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | | | - Anastasia Frolova
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Militsa Rakina
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
| | - Elizaveta Prostakishina
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
| | - Lilia Zhuikova
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Nadezhda Cherdyntseva
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Molecular Oncology and Immunology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Julia Kzhyshkowska
- Laboratory of Translational Cellular and Molecular Biomedicine, Tomsk State University, Tomsk, Russia
- Laboratory of Genetic Technologies, Siberian State Medical University, Tomsk, Russia
- Institute of Transfusion Medicine and Immunology, Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Red Cross Blood Service Baden-Württemberg – Hessen, Mannheim, Germany
- *Correspondence: Julia Kzhyshkowska,
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Wang C, Zhang Y, Gao WQ. The evolving role of immune cells in prostate cancer. Cancer Lett 2022; 525:9-21. [PMID: 34715253 DOI: 10.1016/j.canlet.2021.10.027] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 12/22/2022]
Abstract
Prostate cancer is the most commonly diagnosed cancer and the second leading cause of cancer-related death among men in western countries. Androgen deprivation therapy (ADT) is considered the standard therapy for recurrent prostate cancer; however, this therapy may lead to ADT resistance and tumor progression, which seems to be regulated by epithelial-mesenchymal transition (EMT) and/or neuroendocrine differentiation (NED). In addition, recent data suggested the involvement of either adaptive or innate infiltrated immune cells in the initiation, progression, metastasis, and treatment of prostate cancer. In this review, we outlined the characteristics and roles of these immune cells in the initiation, progression, metastasis, and treatments of prostate cancer. We also summarized the current therapeutic strategies in targeting immune cells of the prostate tumor microenvironment.
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Affiliation(s)
- Chao Wang
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Zhejiang Provincial Key Laboratory of Pancreatic Disease, Hangzhou, China
| | - Yan Zhang
- State Key Laboratory of Oncogenes and Related Genes, Renji-MedX Stem Cell Research Center, Ren Ji Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, PR China; Med-X Research Institute, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, PR China.
| | - Wei-Qiang Gao
- State Key Laboratory of Oncogenes and Related Genes, Renji-MedX Stem Cell Research Center, Ren Ji Hospital, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, PR China; Med-X Research Institute, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, PR China.
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29
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Cheng JN, Yuan YX, Zhu B, Jia Q. Myeloid-Derived Suppressor Cells: A Multifaceted Accomplice in Tumor Progression. Front Cell Dev Biol 2022; 9:740827. [PMID: 35004667 PMCID: PMC8733653 DOI: 10.3389/fcell.2021.740827] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 12/03/2021] [Indexed: 01/08/2023] Open
Abstract
Myeloid-derived suppressor cell (MDSC) is a heterogeneous population of immature myeloid cells, has a pivotal role in negatively regulating immune response, promoting tumor progression, creating pre-metastases niche, and weakening immunotherapy efficacy. The underlying mechanisms are complex and diverse, including immunosuppressive functions (such as inhibition of cytotoxic T cells and recruitment of regulatory T cells) and non-immunological functions (mediating stemness and promoting angiogenesis). Moreover, MDSC may predict therapeutic response as a poor prognosis biomarker among multiple tumors. Accumulating evidence indicates targeting MDSC can reverse immunosuppressive tumor microenvironment, and improve therapeutic response either single or combination with immunotherapy. This review summarizes the phenotype and definite mechanisms of MDSCs in tumor progression, and provide new insights of targeting strategies regarding to their clinical applications.
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Affiliation(s)
- Jia-Nan Cheng
- Department of Oncology, Xinqiao Hospital, Third Military Medical University, Chongqing, China.,Chongqing Key Laboratory of Immunotherapy, Chongqing, China
| | - Yi-Xiao Yuan
- Department of Oncology, Xinqiao Hospital, Third Military Medical University, Chongqing, China.,Chongqing Key Laboratory of Immunotherapy, Chongqing, China.,Department of Thoracic Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Bo Zhu
- Department of Oncology, Xinqiao Hospital, Third Military Medical University, Chongqing, China.,Chongqing Key Laboratory of Immunotherapy, Chongqing, China
| | - Qingzhu Jia
- Department of Oncology, Xinqiao Hospital, Third Military Medical University, Chongqing, China.,Chongqing Key Laboratory of Immunotherapy, Chongqing, China
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30
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Koinis F, Xagara A, Chantzara E, Leontopoulou V, Aidarinis C, Kotsakis A. Myeloid-Derived Suppressor Cells in Prostate Cancer: Present Knowledge and Future Perspectives. Cells 2021; 11:20. [PMID: 35011582 PMCID: PMC8750906 DOI: 10.3390/cells11010020] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/13/2021] [Accepted: 12/16/2021] [Indexed: 02/08/2023] Open
Abstract
Several lines of research are being investigated to better understand mechanisms implicated in response or resistance to immune checkpoint blockade in prostate cancer (PCa). Myeloid-derived suppressor cells (MDSCs) have emerged as a major mediator of immunosuppression in the tumor microenvironment that promotes progression of various tumor types. The main mechanisms underlying MDSC-induced immunosuppression are currently being explored and strategies to enhance anti-tumor immune response via MDSC targeting are being tested. However, the role of MDSCs in PCa remains elusive. In this review, we aim to summarize and present the state-of-the-art knowledge on current methodologies to phenotypically and metabolically characterize MDSCs in PCa. We describe how these characteristics may be linked with MDSC function and may influence the clinical outcomes of patients with PCa. Finally, we briefly discuss emerging strategies being employed to therapeutically target MDSCs and potentiate the long-overdue improvement in the efficacy of immunotherapy in patients with PCa.
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Affiliation(s)
- Filippos Koinis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Thessaly, Greece;
| | - Anastasia Xagara
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Thessaly, Greece;
| | - Evangelia Chantzara
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
| | - Vassiliki Leontopoulou
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
| | - Chrissovalantis Aidarinis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
| | - Athanasios Kotsakis
- Department of Medical Oncology, University General Hospital of Larissa, 41221 Larissa, Thessaly, Greece; (F.K.); (E.C.); (V.L.); (C.A.)
- Laboratory of Oncology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41500 Larissa, Thessaly, Greece;
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31
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Kwiecień I, Rutkowska E, Raniszewska A, Rzepecki P, Domagała-Kulawik J. Modulation of the immune response by heterogeneous monocytes and dendritic cells in lung cancer. World J Clin Oncol 2021; 12:966-982. [PMID: 34909393 PMCID: PMC8641004 DOI: 10.5306/wjco.v12.i11.966] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 08/02/2021] [Accepted: 11/05/2021] [Indexed: 02/06/2023] Open
Abstract
Different subpopulations of monocytes and dendritic cells (DCs) may have a key impact on the modulation of the immune response in malignancy. In this review, we summarize the monocyte and DCs heterogeneity and their function in the context of modulating the immune response in cancer. Subgroups of monocytes may play opposing roles in cancer, depending on the tumour growth and progression as well as the type of cancer. Monocytes can have pro-tumour and anti-tumour functions and can also differentiate into monocyte-derived DCs (moDCs). MoDCs have a similar antigen presentation ability as classical DCs, including cross-priming, a process by which DCs activate CD8 T-cells by cross-presenting exogenous antigens. DCs play a critical role in generating anti-tumour CD8 T-cell immunity. DCs have plastic characteristics and show distinct phenotypes depending on their mature state and depending on the influence of the tumour microenvironment. MoDCs and other DC subsets have been attracting increased interest owing to their possible beneficial effects in cancer immunotherapy. This review also highlights key strategies deploying specific DC subpopulations in combination with other therapies to enhance the anti-tumour response and summarizes the latest ongoing and completed clinical trials using DCs in lung cancer.
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Affiliation(s)
- Iwona Kwiecień
- Department of Internal Medicine and Hematology, Laboratory of Hematology and Flow Cytometry, Military Institute of Medicine, Warsaw 04-141, Poland
| | - Elżbieta Rutkowska
- Department of Internal Medicine and Hematology, Laboratory of Hematology and Flow Cytometry, Military Institute of Medicine, Warsaw 04-141, Poland
| | - Agata Raniszewska
- Department of Internal Medicine and Hematology, Laboratory of Hematology and Flow Cytometry, Military Institute of Medicine, Warsaw 04-141, Poland
| | - Piotr Rzepecki
- Department of Internal Medicine and Hematology, Military Institute of Medicine, Warsaw 04-141, Poland
| | - Joanna Domagała-Kulawik
- Department of Internal Medicine, Pulmonary Diseases and Allergy, Medical University of Warsaw, Warsaw 02-091, Poland
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Kohada Y, Kaiho Y, Takeda K, Kuromoto A, Ito J, Teishima J, Nakamura Y, Kaifu T, Nakamura A, Sato M. Analysis of the circulating myeloid-derived suppressor cells during androgen deprivation therapy for prostate cancer. IJU Case Rep 2021; 4:367-370. [PMID: 34755058 PMCID: PMC8560438 DOI: 10.1002/iju5.12351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/20/2021] [Accepted: 07/08/2021] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION The present study showed the involvement of immunosuppressive myeloid-derived suppressor cells during the disease progression in a 69-year-old man with a prostate cancer. CASE PRESENTATION The patient with metastatic PC (cT4N1M1ab) was initially treated with primary androgen deprivation therapy for 5 months and then chemotherapy with docetaxel, but he expired at the 8th month. In order to investigate whether myeloid-derived suppressor cells are implicated in the cancer exacerbation during androgen deprivation therapy, we assessed the long-term changes in peripheral blood myeloid-derived suppressor cell fractions by using flow cytometry. While prostate-specific antigen levels decreased after androgen deprivation therapy, the population of each myeloid-derived suppressor cell subsets increased during disease deterioration. CONCLUSION Increase in myeloid-derived suppressor cells populations was correlated with prostate cancer progression.
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Affiliation(s)
- Yuki Kohada
- Division of UrologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
- Department of UrologyHiroshima University Graduate School of Biomedical SciencesHiroshimaJapan
| | - Yasuhiro Kaiho
- Division of UrologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Kazuya Takeda
- Divisions ofImmunologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Akito Kuromoto
- Division of UrologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Jun Ito
- Division of UrologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Jun Teishima
- Department of UrologyHiroshima University Graduate School of Biomedical SciencesHiroshimaJapan
| | - Yasuhiro Nakamura
- Division ofPathologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Tomonori Kaifu
- Divisions ofImmunologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Akira Nakamura
- Divisions ofImmunologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
| | - Makoto Sato
- Division of UrologyFaculty of MedicineTohoku Medical and Pharmaceutical UniversitySendaiJapan
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Sun SH, Benner B, Savardekar H, Lapurga G, Good L, Abood D, Nagle E, Duggan M, Stiff A, DiVincenzo MJ, Suarez-Kelly LP, Campbell A, Yu L, Wesolowski R, Howard H, Shah H, Kendra K, Carson WE. Effect of Immune Checkpoint Blockade on Myeloid-Derived Suppressor Cell Populations in Patients With Melanoma. Front Immunol 2021; 12:740890. [PMID: 34712230 PMCID: PMC8547308 DOI: 10.3389/fimmu.2021.740890] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/23/2021] [Indexed: 12/01/2022] Open
Abstract
Introduction Myeloid-derived suppressor cells (MDSC) are a subset of immature myeloid cells that inhibit anti-tumor immunity and contribute to immune therapy resistance. MDSC populations were measured in melanoma patients receiving immune checkpoint inhibitors (ICI). Methods Patients with melanoma (n=128) provided blood samples at baseline (BL), and before cycles 2 and 3 (BC2, BC3). Peripheral blood mononuclear cells (PBMC) were analyzed for MDSC (CD33+/CD11b+/HLA- DRlo/-) and MDSC subsets, monocytic (CD14+, M-MDSC), granulocytic (CD15+, PMN-MDSC), and early (CD14-/CD15-, E-MDSC) via flow cytometry. Statistical analysis employed unpaired and paired t-tests across and within patient cohorts. Results Levels of MDSC as a percentage of PBMC increased during ICI (BL: 9.2 ± 1.0% to BC3: 23.6 ± 1.9%, p<0.0001), and patients who developed progressive disease (PD) had higher baseline MDSC. In patients who had a complete or partial response (CR, PR), total MDSC levels rose dramatically and plateaued (BL: 6.4 ± 1.4%, BC2: 26.2 ± 4.2%, BC3: 27.5 ± 4.4%; p<0.0001), whereas MDSC rose less sharply in PD patients (BL: 11.7 ± 2.1%, BC2: 18.3 ± 3.1%, BC3: 19.0 ± 3.2%; p=0.1952). Subset analysis showed that within the expanding MDSC population, PMN-MDSC and E-MDSC levels decreased, while the proportion of M-MDSC remained constant during ICI. In PD patients, the proportion of PMN-MDSC (as a percentage of total MDSC) decreased (BL: 25.1 ± 4.7%, BC2: 16.1 ± 5.2%, BC3: 8.6 ± 1.8%; p=0.0105), whereas a heretofore under-characterized CD14+/CD15+ double positive MDSC subpopulation increased significantly (BL: 8.7 ± 1.4% to BC3: 26.9 ± 4.9%; p=0.0425). Conclusions MDSC levels initially increased significantly in responders. PMN-MDSC decreased and CD14+CD15+ MDSC increased significantly in PD patients. Changes in MDSC levels may have prognostic value in ICI.
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Affiliation(s)
- Steven H Sun
- Department of Surgery, Division of Surgical Oncology, The Ohio State University, Columbus, OH, United States
| | - Brooke Benner
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Himanshu Savardekar
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Gabriella Lapurga
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Logan Good
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - David Abood
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Erin Nagle
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Megan Duggan
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Andrew Stiff
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Mallory J DiVincenzo
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | | | - Amanda Campbell
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Lianbo Yu
- Center for Biostatistics, Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Robert Wesolowski
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Harrison Howard
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Hiral Shah
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Kari Kendra
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - William E Carson
- Department of Surgery, Division of Surgical Oncology, The Ohio State University, Columbus, OH, United States.,Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
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Sanaei MJ, Taheri F, Heshmati M, Bashash D, Nazmabadi R, Mohammad-Alibeigi F, Nahid-Samiei M, Shirzad H, Bagheri N. Comparing the frequency of CD33 + pSTAT3 + myeloid-derived suppressor cells and IL-17 + lymphocytes in patients with prostate cancer and benign prostatic hyperplasia. Cell Biol Int 2021; 45:2086-2095. [PMID: 34184811 DOI: 10.1002/cbin.11651] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/27/2021] [Accepted: 06/17/2021] [Indexed: 12/12/2022]
Abstract
Prostate cancer (PCa) is one of the most epidemic types of cancer in men. The tumor microenvironment (TME) of PCa is involved in the emergence of immunosuppressive factors such as myeloid-derived suppressor cells (MDSC), which regulate the immune system by several mechanisms, including interleukin (IL)-10 production. On the other hand, IL-17+ helper T cells (Th17) induce MDSCs and chronic inflammation in TME by producing IL-17. This study demonstrated that the frequency of CD33+ pSTAT3+ MDSC and IL-17+ lymphocyte as well as IL-10 messenger RNA (mRNA) expression were significantly higher in the PCa patients than in the benign prostatic hyperplasia (BPH) group. Moreover, there was no significant relationship between the frequency of CD33+ pSTAT3+ MDSC, and IL-17+ lymphocyte with Gleason scores in the PCa group. We suggested that the higher frequency of CD33+ pSTAT3+ MDSC and IL-17+ lymphocyte and the more frequent expression of IL-10 mRNA in PCa patients may play roles in tumor progression from BPH to PCa.
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Affiliation(s)
- Mohammad-Javad Sanaei
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Fatemeh Taheri
- Department of Pathology, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Masoud Heshmati
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Davood Bashash
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Roya Nazmabadi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | | | - Mahboobeh Nahid-Samiei
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Hedayatollah Shirzad
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Nader Bagheri
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Himes BT, Peterson TE, de Mooij T, Garcia LMC, Jung MY, Uhm S, Yan D, Tyson J, Jin-Lee HJ, Parney D, Abukhadra Y, Gustafson MP, Dietz AB, Johnson AJ, Dong H, Maus RL, Markovic S, Lucien F, Parney IF. The role of extracellular vesicles and PD-L1 in glioblastoma-mediated immunosuppressive monocyte induction. Neuro Oncol 2021; 22:967-978. [PMID: 32080744 DOI: 10.1093/neuonc/noaa029] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Immunosuppression in glioblastoma (GBM) is an obstacle to effective immunotherapy. GBM-derived immunosuppressive monocytes are central to this. Programmed cell death ligand 1 (PD-L1) is an immune checkpoint molecule, expressed by GBM cells and GBM extracellular vesicles (EVs). We sought to determine the role of EV-associated PD-L1 in the formation of immunosuppressive monocytes. METHODS Monocytes collected from healthy donors were conditioned with GBM-derived EVs to induce the formation of immunosuppressive monocytes, which were quantified via flow cytometry. Donor-matched T cells were subsequently co-cultured with EV-conditioned monocytes in order to assess effects on T-cell proliferation. PD-L1 constitutive overexpression or short hairpin RNA-mediated knockdown was used to determined the role of altered PD-L1 expression. RESULTS GBM EVs interact with both T cells and monocytes but do not directly inhibit T-cell activation. However, GBM EVs induce immunosuppressive monocytes, including myeloid-derived suppressor cells (MDSCs) and nonclassical monocytes (NCMs). MDSCs and NCMs inhibit T-cell proliferation in vitro and are found within GBM in situ. EV PD-L1 expression induces NCMs but not MDSCs, and does not affect EV-conditioned monocytes T-cell inhibition. CONCLUSION These findings indicate that GBM EV-mediated immunosuppression occurs through induction of immunosuppressive monocytes rather than direct T-cell inhibition and that, while PD-L1 expression is important for the induction of specific immunosuppressive monocyte populations, immunosuppressive signaling mechanisms through EVs are complex and not limited to PD-L1.
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Affiliation(s)
- Benjamin T Himes
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota.,Department of Immunology Mayo Clinic, Rochester, Minnesota
| | | | - Tristan de Mooij
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | - Luz M Cumba Garcia
- Department of Immunology Mayo Clinic, Rochester, Minnesota.,Graduate School of Biomedical Sciences Mayo Clinic, Rochester, Minnesota
| | - Mi-Yeon Jung
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | - Sarah Uhm
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | - David Yan
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | - Jasmine Tyson
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | - Helen J Jin-Lee
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | - Daniel Parney
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota
| | | | | | - Allan B Dietz
- Department of Immunology Mayo Clinic, Rochester, Minnesota.,Department of Lab Medicine and Pathology Mayo Clinic, Rochester, Minnesota
| | - Aaron J Johnson
- Department of Immunology Mayo Clinic, Rochester, Minnesota.,Department of Urology Mayo Clinic, Rochester, Minnesota
| | - Haidong Dong
- Department of Immunology Mayo Clinic, Rochester, Minnesota
| | - Rachel L Maus
- Department of Immunology Mayo Clinic, Rochester, Minnesota.,Department of Oncology Mayo Clinic, Rochester, Minnesota
| | - Svetomir Markovic
- Department of Immunology Mayo Clinic, Rochester, Minnesota.,Department of Oncology Mayo Clinic, Rochester, Minnesota
| | | | - Ian F Parney
- Department of Neurologic Surgery Mayo Clinic, Rochester, Minnesota.,Department of Immunology Mayo Clinic, Rochester, Minnesota
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Shackleton EG, Ali HY, Khan M, Pockley GA, McArdle SE. Novel Combinatorial Approaches to Tackle the Immunosuppressive Microenvironment of Prostate Cancer. Cancers (Basel) 2021; 13:1145. [PMID: 33800156 PMCID: PMC7962457 DOI: 10.3390/cancers13051145] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/26/2021] [Accepted: 02/28/2021] [Indexed: 12/13/2022] Open
Abstract
Prostate cancer (PCa) is the second-most common cancer in men worldwide and treatment options for patients with advanced or aggressive prostate cancer or recurrent disease continue to be of limited success and are rarely curative. Despite immune checkpoint blockade (ICB) efficacy in some melanoma, lung, kidney and breast cancers, immunotherapy efforts have been remarkably unsuccessful in PCa. One hypothesis behind this lack of efficacy is the generation of a distinctly immunosuppressive prostate tumor microenvironment (TME) by regulatory T cells, MDSCs, and type 2 macrophages which have been implicated in a variety of pathological conditions including solid cancers. In PCa, Tregs and MDSCs are attracted to TME by low-grade chronic inflammatory signals, while tissue-resident type 2 macrophages are induced by cytokines such as IL4, IL10, IL13, transforming growth factor beta (TGFβ) or prostaglandin E2 (PGE2) produced by Th2 cells. These then drive tumor progression, therapy resistance and the generation of castration resistance, ultimately conferring a poor prognosis. The biology of MDSC and Treg is highly complex and the development, proliferation, maturation or function can each be pharmacologically mediated to counteract the immunosuppressive effects of these cells. Herein, we present a critical review of Treg, MDSC and M2 involvement in PCa progression but also investigate a newly recognized type of immune suppression induced by the chronic stimulation of the sympathetic adrenergic signaling pathway and propose targeted strategies to be used in a combinatorial modality with immunotherapy interventions such as ICB, Sipuleucel-T or antitumor vaccines for an enhanced anti-PCa tumor immune response. We conclude that a strategic sequence of therapeutic interventions in combination with additional holistic measures will be necessary to achieve maximum benefit for PCa patients.
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Affiliation(s)
- Erin G. Shackleton
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
| | - Haleema Yoosuf Ali
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
| | - Masood Khan
- Department of Urology, University Hospitals of Leicester NHS Trust, Leicester LE1 5WW, UK;
| | - Graham A. Pockley
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
- Centre for Health, Ageing and Understanding Disease, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
| | - Stephanie E. McArdle
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK; (E.G.S.); (H.Y.A.); (G.A.P.)
- Centre for Health, Ageing and Understanding Disease, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
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Zhou Y, Zhang G, Zhang W, Wei X, Hou J, Huang Y. B7-H3 Promotes Prostate Cancer Progression in Mice by Antagonizing Myeloid-Derived Suppressor Cell Apoptosis. Technol Cancer Res Treat 2020; 19:1533033820971649. [PMID: 33280506 PMCID: PMC7724261 DOI: 10.1177/1533033820971649] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background: B7-H3 is an important immunomodulatory molecule, and clinical studies have
confirmed that its expression level is closely correlated with prostate
cancer prognosis. However, the mechanism of its biological action is
unclear. Methods: An engineered cell line overexpressing B7-H3 was constructed. Cell apoptosis,
growth and proliferation assays in vitro and an animal
model in vivo were performed to analyze the role and
possible mechanism of B7-H3 in promoting prostate cancer progression. Results: Compared with the control cell line (Mock-RM-1), the B7-H3-overexpressing
prostate cancer cell line (B7-H3-RM-1) showed no significant growth
differences in vitro, whereas the in vivo
tumorigenesis rate of B7-H3-RM-1 was significantly higher than that of
Mock-RM-1. These results suggest that B7-H3indirectly, rather than directly,
promotes prostate cancer progression. Further analysis revealed that
significantly higher levels of myeloid-derived suppressor cells (MDSCs)
accumulated in vivo in B7-H3-RM-1 tumor-bearing mice than
in Mock-RM-1 mice. In vitro and in vivo
experiments showed that B7-H3-RM-1 cells significantly antagonized MDSC
apoptosis. To further confirm the role of MDSCs in B7-H3-mediated prostate
cancer progression, model mice were pretreated with cyclophosphamide before
inoculation to clear immune cells and achieve myelo suppression. The results
showed no significant differences in tumor growth between the B7-H3-RM-1
group and the Mock-RM-1 group. Conclusions: We found, for the first time, that B7-H3 can antagonize MDSC apoptosis,
leading to MDSC accumulation in the tumor microenvironment and thereby
promoting prostate cancer progression.
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Affiliation(s)
- Yunfen Zhou
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Guangbo Zhang
- Clinical Immunology Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Weijie Zhang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xuedong Wei
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jianquan Hou
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Clinical Immunology Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yuhua Huang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Weber R, Groth C, Lasser S, Arkhypov I, Petrova V, Altevogt P, Utikal J, Umansky V. IL-6 as a major regulator of MDSC activity and possible target for cancer immunotherapy. Cell Immunol 2020; 359:104254. [PMID: 33296753 DOI: 10.1016/j.cellimm.2020.104254] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022]
Abstract
Myeloid-derived suppressor cells (MDSC) are generated during tumor progression and suppress the anti-tumor functions of T and natural killer (NK) cells. Their enrichment is associated with a bad prognosis and a worse outcome of immunotherapy in cancer patients. The cytokine interleukin (IL)-6 was found to be a crucial regulator of MDSC accumulation and activation as well as a factor, stimulating tumor cell proliferation, survival, invasiveness and metastasis. Accordingly, IL-6 can serve as a negative prognostic marker in cancer. On the other hand, this cytokine is also involved in T cell activation. This review discusses the pleiotropic effects of IL-6 on immune cell populations that are critical for tumor development, such as MDSC and T cells, and summarizes the data on targeting IL-6 or IL-6 receptor (IL-6R) for tumor immunotherapy to block MDSC-mediated immunosuppression in cancer patients.
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Affiliation(s)
- Rebekka Weber
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Christopher Groth
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Samantha Lasser
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Ihor Arkhypov
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Vera Petrova
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Peter Altevogt
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Jochen Utikal
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany
| | - Viktor Umansky
- Skin Cancer Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany and Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl University of Heidelberg, Mannheim, Germany.
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Stenzel AE, Abrams SI, Joseph JM, Goode EL, Tario JD, Wallace PK, Kaur D, Adamson AK, Buas MF, Lugade AA, Laslavic A, Taylor SE, Orr B, Edwards RP, Elishaev E, Odunsi K, Mongiovi JM, Etter JL, Winham SJ, Kaufmann SH, Modugno F, Moysich KB. Circulating CD14 + HLA-DR lo/- monocytic cells as a biomarker for epithelial ovarian cancer progression. Am J Reprod Immunol 2020; 85:e13343. [PMID: 32905653 DOI: 10.1111/aji.13343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/11/2020] [Accepted: 08/31/2020] [Indexed: 12/15/2022] Open
Abstract
PROBLEM Previous studies identified circulating CD14+ HLA-DRlo/- monocytic cells as an immune suppressive subset in solid malignancies, such as prostate, renal cell carcinoma, and pancreatic cancer. Such monocytic cells have been implicated not only in tumour progression but also as a potential barrier for immunotherapy. This study examined the relationship between the frequency of circulating monocytic cells and epithelial ovarian cancer (EOC) progression pre- and post-frontline chemotherapy, defined by disease stage, which is a leading prognostic factor for this malignancy. METHOD OF STUDY Incident cases of 236 women with EOC were recruited and comprehensive flow cytometry was utilized to assess the frequency of peripheral blood CD33+ CD11b+ HLA-DR-/low CD14+ CD15- monocytic cells, henceforth termed CD14+ HLA-DRlo/- monocytic cells, prior to and after completion of frontline chemotherapy. Multivariable odds ratios (OR) were used to estimate the association between CD14+ HLA-DRlo/- monocytic cell percentages and disease stage. Wilcoxon signed-rank tests evaluated changes in these monocytic cell levels pre- and post-chemotherapy in a patient subset (n = 70). RESULTS Patients with elevated frequencies of circulating CD14+ HLA-DRlo/- monocytic cells at diagnosis were at 3.33-fold greater odds of having advanced stage (III/IV) EOC (CI: 1.04-10.64), with a significant trend in increasing CD14+ HLA-DRlo/- monocytic cell levels (P = .04). There was a 2.02% median decrease of these monocytic cells post-chemotherapy among a subset of patients with advanced stage disease (P < .0001). CONCLUSION These findings support the potential clinical relevance of CD14+ HLA-DRlo/- monocytic cells in EOC for prognosis and may indicate a non-invasive biomarker to measure disease progression.
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Affiliation(s)
- Ashley E Stenzel
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Scott I Abrams
- Department of Immunology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Janine M Joseph
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Ellen L Goode
- Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Joseph D Tario
- Department of Flow & Image Cytometry, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Paul K Wallace
- Department of Flow & Image Cytometry, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Divjot Kaur
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Anna-Kay Adamson
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Matthew F Buas
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Amit A Lugade
- Center for Immunotherapy, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Angela Laslavic
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA
| | - Sarah E Taylor
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA.,Division of Gynecologic Oncology, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA
| | - Brian Orr
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA.,Division of Gynecologic Oncology, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA
| | - Robert P Edwards
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA.,Division of Gynecologic Oncology, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA
| | - Esther Elishaev
- Department of Pathology, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA
| | - Kunle Odunsi
- Department of Gynecologic Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Jennifer M Mongiovi
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - John Lewis Etter
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Stacey J Winham
- Division of Epidemiology, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | - Scott H Kaufmann
- Division of Oncology Research, Department of Oncology, Mayo Clinic, Rochester, MN, USA
| | - Francesmary Modugno
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh and Hillman Cancer Center, Pittsburgh, PA, USA
| | - Kirsten B Moysich
- Department of Cancer Prevention and Control, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
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Yaseen MM, Abuharfeil NM, Darmani H, Daoud A. Mechanisms of immune suppression by myeloid-derived suppressor cells: the role of interleukin-10 as a key immunoregulatory cytokine. Open Biol 2020; 10:200111. [PMID: 32931721 PMCID: PMC7536076 DOI: 10.1098/rsob.200111] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Chronic immune activation and inflammation are unwanted consequences of many pathological conditions, since they could lead to tissue damage and immune exhaustion, both of which can worsen the pathological condition status. In fact, the immune system is naturally equipped with immunoregulatory cells that can limit immune activation and inflammation. However, chronic activation of downregulatory immune responses is also associated with unwanted consequences that, in turn, could lead to disease progression as seen in the case of cancer and chronic infections. Myeloid-derived suppressor cells (MDSCs) are now considered to play a pivotal role in the pathogenesis of different inflammatory pathological conditions, including different types of cancer and chronic infections. As a potent immunosuppressor cell population, MDSCs can inhibit specific and non-specific immune responses via different mechanisms that, in turn, lead to disease persistence. One such mechanism by which MDSCs can activate their immunosuppressive effects is accomplished by secreting copious amounts of immunosuppressant molecules such as interleukin-10 (IL-10). In this article, we will focus on the pathological role of MDSC expansion in chronic inflammatory conditions including cancer, sepsis/infection, autoimmunity, asthma and ageing, as well as some of the mechanisms by which MDSCs/IL-10 contribute to the disease progression in such conditions.
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Affiliation(s)
- Mahmoud Mohammad Yaseen
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Nizar Mohammad Abuharfeil
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Homa Darmani
- Department of Applied Biology, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Ammar Daoud
- Department of Internal Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
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41
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Blood Monocyte Subsets with Activation Markers in Relation with Macrophages in Non-Small Cell Lung Cancer. Cancers (Basel) 2020; 12:cancers12092513. [PMID: 32899681 PMCID: PMC7563629 DOI: 10.3390/cancers12092513] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/07/2020] [Accepted: 09/01/2020] [Indexed: 02/06/2023] Open
Abstract
Simple Summary This study characterized monocyte subtypes: classical, intermediate, and non-classical with the expression of surfaces markers: CD62L, CD11c, CD18, HLA-DR in non-small cell lung cancer patients (NSCLC) compared to healthy controls and correlations between monocyte subtypes and macrophages in the lung cancer microenvironment. We confirmed the presence of various monocyte subtypes in the blood with predominance of classic monocytes and a higher proportion of classical and intermediate monocytes in NSCLC patients than in healthy subjects. Our observation that intermediate monocytes with CD11c+ and HLA-DR+ expression correlation with the amount of macrophages from the lung cancer microenvironment may indicate role of these cells in cancer immunity. A high proportion of monocytes with low expression of CD62L indicates participation of monocytes in attenuation of anticancer response. The detection and monitoring of the presented monocyte subsets in the blood might be a useful test in lung cancer. Abstract (1) The cells from the monocyte line play an important role as regulators of cancer development and progression. Monocytes present pro- and anti-tumor immunity and differentiation into macrophages. Macrophages are predominant in the lung cancer environment and could be evaluated by bronchoalveolar lavage fluid (BALF). (2) The aim of the study was analysis of monocytes: classical, intermediate and non-classical with expression of: CD62L, CD11c, CD18, HLA-DR in non-small cell lung cancer (NSCLC) and their correlation with BALF macrophages from lungs with cancer (clBALF) and healthy lungs (hlBALF). (3) A total of 24 patients with NSCLC and 20 healthy donors were investigated. Monocyte subtyping and macrophage counts were performed by flow cytometry. (4) There are three types in peripheral blood (PB): classical monocytes (CD14++CD16-), intermediate (CD14+CD16+) and non-classical (CD14-/+CD16++). We noticed a higher proportion of classical and intermediate monocytes in lung cancer than in healthy donors (76.2 vs. 67.3, and 7.9 vs. 5.2 p < 0.05). We observed a higher proportion of macrophages in clBALF then in hlBALF. A higher CD62L expression on all monocyte subtypes in healthy donors than in study group was found. There were positive correlations between: classical CD11c+, intermediate CD11c+, intermediate HLA-DR+ monocytes in PB with macrophages in clBALF. We did not observe these correlations with macrophages from hlBALF. (5) A predominance of classical and intermediate monocytes in lung cancer and the correlation between intermediate monocytes with CD11c+ and HLA-DR+ and macrophages from the NSCLC milieu support a role of monocyte-line cells in cancer immunity. A high proportion of monocytes with low expression of CD62L indicates the participation of monocytes in attenuation of anticancer response.
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Zhao D, Cai L, Lu X, Liang X, Li J, Chen P, Ittmann M, Shang X, Jiang S, Li H, Meng C, Flores I, Song JH, Horner JW, Lan Z, Wu CJ, Li J, Chang Q, Chen KC, Wang G, Deng P, Spring DJ, Wang YA, DePinho RA. Chromatin Regulator CHD1 Remodels the Immunosuppressive Tumor Microenvironment in PTEN-Deficient Prostate Cancer. Cancer Discov 2020; 10:1374-1387. [PMID: 32385075 PMCID: PMC7483306 DOI: 10.1158/2159-8290.cd-19-1352] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 03/20/2020] [Accepted: 05/05/2020] [Indexed: 12/17/2022]
Abstract
Genetic inactivation of PTEN is common in prostate cancer and correlates with poorer prognosis. We previously identified CHD1 as an essential gene in PTEN-deficient cancer cells. Here, we sought definitive in vivo genetic evidence for, and mechanistic understanding of, the essential role of CHD1 in PTEN-deficient prostate cancer. In Pten and Pten/Smad4 genetically engineered mouse models, prostate-specific deletion of Chd1 resulted in markedly delayed tumor progression and prolonged survival. Chd1 deletion was associated with profound tumor microenvironment (TME) remodeling characterized by reduced myeloid-derived suppressor cells (MDSC) and increased CD8+ T cells. Further analysis identified IL6 as a key transcriptional target of CHD1, which plays a major role in recruitment of immunosuppressive MDSCs. Given the prominent role of MDSCs in suppressing responsiveness to immune checkpoint inhibitors (ICI), our genetic and tumor biological findings support combined testing of anti-IL6 and ICI therapies, specifically in PTEN-deficient prostate cancer. SIGNIFICANCE: We demonstrate a critical role of CHD1 in MDSC recruitment and discover CHD1/IL6 as a major regulator of the immunosuppressive TME of PTEN-deficient prostate cancer. Pharmacologic inhibition of IL6 in combination with immune checkpoint blockade elicits robust antitumor responses in prostate cancer.This article is highlighted in the In This Issue feature, p. 1241.
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Affiliation(s)
- Di Zhao
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Li Cai
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Xin Lu
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana
| | - Xin Liang
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jiexi Li
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Peiwen Chen
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Michael Ittmann
- Department of Pathology, Baylor College of Medicine, Houston, Texas
| | - Xiaoying Shang
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Shan Jiang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Haoyan Li
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Chenling Meng
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ivonne Flores
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jian H Song
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - James W Horner
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Zhengdao Lan
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Chang-Jiun Wu
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jun Li
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Qing Chang
- Institute for Applied Cancer Science, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Ko-Chien Chen
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Guocan Wang
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Pingna Deng
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Denise J Spring
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Y Alan Wang
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
| | - Ronald A DePinho
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
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Application of Anti-Inflammatory Agents in Prostate Cancer. J Clin Med 2020; 9:jcm9082680. [PMID: 32824865 PMCID: PMC7464558 DOI: 10.3390/jcm9082680] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 02/06/2023] Open
Abstract
Chronic inflammation is a major cause of human cancers. The environmental factors, such as microbiome, dietary components, and obesity, provoke chronic inflammation in the prostate, which promotes cancer development and progression. Crosstalk between immune cells and cancer cells enhances the secretion of intercellular signaling molecules, such as cytokines and chemokines, thereby orchestrating the generation of inflammatory microenvironment. Tumor-associated macrophages (TAMs) and myeloid-derived suppressor cells (MDSCs) play pivotal roles in inflammation-associated cancer by inhibiting effective anti-tumor immunity. Anti-inflammatory agents, such as aspirin, metformin, and statins, have potential application in chemoprevention of prostate cancer. Furthermore, pro-inflammatory immunity-targeted therapies may provide novel strategies to treat patients with cancer. Thus, anti-inflammatory agents are expected to suppress the “vicious cycle” created by immune and cancer cells and inhibit cancer progression. This review has explored the immune cells that facilitate prostate cancer development and progression, with particular focus on the application of anti-inflammatory agents for both chemoprevention and therapeutic approach in prostate cancer.
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Noguchi M, Arai G, Egawa S, Ohyama C, Naito S, Matsumoto K, Uemura H, Nakagawa M, Nasu Y, Eto M, Suekane S, Sasada T, Shichijo S, Yamada A, Kakuma T, Itoh K. Mixed 20-peptide cancer vaccine in combination with docetaxel and dexamethasone for castration-resistant prostate cancer: a randomized phase II trial. Cancer Immunol Immunother 2020; 69:847-857. [PMID: 32025848 PMCID: PMC7183507 DOI: 10.1007/s00262-020-02498-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 01/21/2020] [Indexed: 12/17/2022]
Abstract
A novel cancer vaccine consisting of 20 mixed peptides (KRM-20) was designed to induce cytotoxic T lymphocytes (CTL) against twelve different tumor-associated antigens. The aim of this phase II trial was to examine whether KRM-20 in combination with docetaxel and dexamethasone enhances the antitumor effects in patients with castration-resistant prostate cancer (CRPC). In this double-blind, placebo-controlled, randomized phase II study, we enrolled chemotherapy-naïve patients with CRPC from ten medical centers in Japan. Eligible patients were randomly assigned 1:1 centrally to receive either KRM-20 combined with docetaxel and dexamethasone (n = 25) or placebo with docetaxel and dexamethasone (n = 26). The primary endpoint was the difference in prostate-specific antigen (PSA) decline between each treatment. The rates of > 50% PSA decline in the two arms were similar (56.5% versus 53.8%; P = 0.851). Human leukocyte antigen (HLA)-matched peptide-specific immunoglobulin G (P = 0.018) and CTL (P = 0.007) responses in the KRM-20 arm significantly increased after treatment. The addition of KRM-20 did not increase toxicity. There were no between-group differences in progression-free or overall survival (OS). The addition of KRM-20 was safe, and similar PSA decline and HLA-matched peptide-specific CTL and IgG responses increased in combination with docetaxel and dexamethasone in CRPC patients. Subgroup analysis suggested that this treatment is favorable for CRPC patients with ≥ 26% lymphocytes or PSA levels of < 11.2 ng/ml, but further clinical trials comparing OS are required.
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MESH Headings
- Administration, Oral
- Adult
- Aged
- Aged, 80 and over
- Antineoplastic Combined Chemotherapy Protocols/administration & dosage
- Antineoplastic Combined Chemotherapy Protocols/adverse effects
- Cancer Vaccines/administration & dosage
- Cancer Vaccines/adverse effects
- Cancer Vaccines/immunology
- Combined Modality Therapy/adverse effects
- Combined Modality Therapy/methods
- Dexamethasone/administration & dosage
- Dexamethasone/adverse effects
- Docetaxel/administration & dosage
- Docetaxel/adverse effects
- Double-Blind Method
- Drug Administration Schedule
- Humans
- Infusions, Intravenous
- Injections, Subcutaneous
- Kallikreins/blood
- Male
- Middle Aged
- Progression-Free Survival
- Prostate-Specific Antigen/blood
- Prostatic Neoplasms, Castration-Resistant/blood
- Prostatic Neoplasms, Castration-Resistant/immunology
- Prostatic Neoplasms, Castration-Resistant/mortality
- Prostatic Neoplasms, Castration-Resistant/therapy
- Response Evaluation Criteria in Solid Tumors
- T-Lymphocytes, Cytotoxic/immunology
- Vaccines, Subunit/administration & dosage
- Vaccines, Subunit/adverse effects
- Vaccines, Subunit/immunology
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Affiliation(s)
- Masanori Noguchi
- Canver Vaccine Center, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
- Department of Urology, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan.
| | - Gaku Arai
- Department of Urology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Japan
| | - Shin Egawa
- Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - Chikara Ohyama
- Department of Urology, Graduate School of Medicine and School of Medicine, Hirosaki University, Hirosaki, Japan
| | | | - Kazumasa Matsumoto
- Department of Urology, Kitasato University School of Medicine, Kanagawa, Japan
| | - Hirotsugu Uemura
- Department of Urology, Kinki University Faculty of Medicine, Osaka, Japan
| | - Masayuki Nakagawa
- Department of Urology, Kagoshima University Graduate School of Medical and Dental Science, Kagoshima, Japan
| | - Yasutomo Nasu
- Department of Urology, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Masatoshi Eto
- Department of Urology, Graduate School of Medical Sciences, University of Kyushu, Fukuoka, Japan
| | - Shigetaka Suekane
- Department of Urology, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Tetsuro Sasada
- Kanagawa Cancer Center Research Institute, Kanagawa, Japan
| | - Shigeki Shichijo
- Canver Vaccine Center, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
| | - Akira Yamada
- Cancer Vaccines, Research Center for Innovative Cancer Therapy, Kurume University School of Medicine, Kurume, Japan
| | - Tatsuyuki Kakuma
- Biostatistics Center, Kurume University School of Medicine, Kurume, Japan
| | - Kyogo Itoh
- Canver Vaccine Center, Kurume University School of Medicine, 67 Asahi-machi, Kurume, 830-0011, Japan
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Sivagnanalingam U, Beatty PL, Finn OJ. Myeloid derived suppressor cells in cancer, premalignancy and inflammation: A roadmap to cancer immunoprevention. Mol Carcinog 2020; 59:852-861. [PMID: 32333615 DOI: 10.1002/mc.23206] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/04/2020] [Accepted: 04/05/2020] [Indexed: 12/15/2022]
Abstract
The ultimate success of any form of cancer therapy or cancer prevention depends on its ability to engage the power of the immune system to completely eliminate a growing tumor, lower the life-time tumor risk and establish long-term memory to prevent recurrence or future tumors. For that reason, all therapies but especially immunotherapies depend on the immune health (immunocompetence) of each treated individual. Cancer and chronic illnesses, combined with a usually more advanced age of cancer patients or those at risk for cancer are known to severely suppress multiple antitumor functions of the immune system. Understanding the critical mechanisms controlling and mediating immune suppression can lead to additional therapies to alleviate the effects of those mechanisms and improve the outcome of cancer therapy and prevention. We introduce and review here a highly immunosuppressive cell population found in cancer, precancer, and chronic inflammatory diseases, myeloid derived suppressor cells (MDSC). First described in the setting of advanced cancer, their presence and immunosuppressive activity has been seen more recently in early premalignant lesions and in chronic inflammatory diseases leading to cancer. We describe the detrimental effects of their presence on cancer immunotherapy, immunosurveillance and immunoprevention and review early attempts to develop drugs to eliminate them or reduce their negative impact.
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Affiliation(s)
- Umayal Sivagnanalingam
- School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Pamela L Beatty
- Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Olivera J Finn
- Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
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Clinical relevance of systemic monocytic-MDSCs in patients with metastatic breast cancer. Cancer Immunol Immunother 2020; 69:435-448. [PMID: 31925475 PMCID: PMC7044142 DOI: 10.1007/s00262-019-02472-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 12/31/2019] [Indexed: 01/18/2023]
Abstract
The overall aim of this prospective study was to delineate the role of monocytic myeloid-derived suppressor cells (Mo-MDSCs) in patients with metastatic breast cancer (MBC). MDSCs are a heterogeneous group of immunosuppressive cells often enriched in different malignancies which hold prognostic and predictive value for clinical outcomes. Here, we assessed the clinical significance of Mo-MDSCs in 54 patients with de novo or distant recurrent MBC. We show that high levels of Mo-MDSCs significantly correlated with de novo MBC (metastatic disease at initial diagnosis), estrogen receptor (ER) negativity, and liver- and bone metastasis. A trend towards an association between high levels of Mo-MDSCs and survival (P = 0.053) was also found in patients with distant recurrent ER-positive MBC. We therefore propose that an increased population of Mo-MDSCs may be related to the metastatic or immunoregulatory switch associated with transition to a more systemic disease. Our data imply that high levels of systemic Mo-MDSCs represent patients with more aggressive disease and worse outcome.
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Zhong S, Jeong JH, Chen Z, Chen Z, Luo JL. Targeting Tumor Microenvironment by Small-Molecule Inhibitors. Transl Oncol 2019; 13:57-69. [PMID: 31785429 PMCID: PMC6909103 DOI: 10.1016/j.tranon.2019.10.001] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/01/2019] [Accepted: 10/03/2019] [Indexed: 12/12/2022] Open
Abstract
The tumor microenvironment (TME) is a hypoxic, acidic, and immune/inflammatory cell–enriched milieu that plays crucial roles in tumor development, growth, progression, and therapy resistance. Targeting TME is an attractive strategy for the treatment of solid tumors. Conventional cancer chemotherapies are mostly designed to directly kill cancer cells, and the effectiveness is always compromised by their penetration and accessibility to cancer cells. Small-molecule inhibitors, which exhibit good penetration and accessibility, are widely studied, and many of them have been successfully applied in clinics for cancer treatment. As TME is more penetrable and accessible than tumor cells, a lot of efforts have recently been made to generate small-molecule inhibitors that specifically target TME or the components of TME or develop special drug-delivery systems that release the cytotoxic drugs specifically in TME. In this review, we briefly summarize the recent advances of small-molecule inhibitors that target TME for the tumor treatment. Tumor microenvironment (TME) is an indispensable part of tumor and is an important therapeutic target. TME is more penetrable and accessible than tumor cell area. Small-molecule inhibitors that target TME are very promising. The target efficiency can be improved by specific deliver and release systems.
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Affiliation(s)
- Shangwei Zhong
- The Hunan Provincial Key Lab of Precision Diagnosis and Treatment for Gastrointestinal Tumor, Xiangya Hospital, Central South University, Hunan, 410008, China; Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL 33458, USA
| | - Ji-Hak Jeong
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL 33458, USA
| | - Zhikang Chen
- The Hunan Provincial Key Lab of Precision Diagnosis and Treatment for Gastrointestinal Tumor, Xiangya Hospital, Central South University, Hunan, 410008, China.
| | - Zihua Chen
- The Hunan Provincial Key Lab of Precision Diagnosis and Treatment for Gastrointestinal Tumor, Xiangya Hospital, Central South University, Hunan, 410008, China.
| | - Jun-Li Luo
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, FL 33458, USA.
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Sanaei M, Salimzadeh L, Bagheri N. Crosstalk between myeloid‐derived suppressor cells and the immune system in prostate cancer. J Leukoc Biol 2019; 107:43-56. [DOI: 10.1002/jlb.4ru0819-150rr] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 09/23/2019] [Accepted: 10/05/2019] [Indexed: 12/11/2022] Open
Affiliation(s)
- Mohammad‐Javad Sanaei
- Cellular and Molecular Research Center, Basic Health Sciences InstituteShahrekord University of Medical Sciences Shahrekord Iran
| | - Loghman Salimzadeh
- Department of MedicineNational University of Singapore Singapore Singapore
| | - Nader Bagheri
- Cellular and Molecular Research Center, Basic Health Sciences InstituteShahrekord University of Medical Sciences Shahrekord Iran
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Hellsten R, Lilljebjörn L, Johansson M, Leandersson K, Bjartell A. The STAT3 inhibitor galiellalactone inhibits the generation of MDSC-like monocytes by prostate cancer cells and decreases immunosuppressive and tumorigenic factors. Prostate 2019; 79:1611-1621. [PMID: 31348843 PMCID: PMC6771992 DOI: 10.1002/pros.23885] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 07/02/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND The transcription factor signal transducer and activator of transcription 3 (STAT3) is implicated in cancer drug resistance, metastasis, and immunosuppression and has been identified as a promising therapeutic target for new anticancer drugs. Myeloid-derived suppressor cells (MDSCs) play a major role in the suppression of antitumor immunity and STAT3 is involved in the accumulation, generation, and function of MDSCs. Thus, targeting STAT3 holds the potential of reversing immunosuppression in cancer. This study aims to investigate the effect of the small molecule STAT3 inhibitor galiellalactone on prostate cancer cell- induced generation of MDSCs from monocytes and the effect on immunosuppressive factors and inflammatory cytokines. METHODS Primary human monocytes were cocultured with prostate cancer cells (DU145, PC3, and LNCaP-IL6) or with conditioned medium (CM) from prostate cancer cells in the presence or absence of the STAT3 inhibitor galiellalactone. Monocytes were analyzed by flow cytometry for an MDSC-like phenotype (CD14+ HLA-DR-/lo ). The secretion and gene expression of immunosuppressive factors and inflammatory cytokines from prostate cancer cells and monocytes were investigated. RESULTS Galiellalactone blocked the prostate cancer cell-induced generation of MDSC-like monocytes with an immunosuppressive phenotype ex vivo. Monocytes cultured with CM from prostate cancer cells showed increased expression of phosphorylated STAT3. Prostate cancer cells increased the expression of interleukin1β (IL1β), IL10, and IL6 in monocytes which was inhibited by galiellalactone. In addition, galiellalactone decreased indoleamine 2,3-dioxygenase gene expression in monocytes. Galiellalactone reduced the levels of IL8 and granulocyte macrophage-colony stimulating factor in prostate cancer cells per se. CONCLUSION The STAT3 inhibitor galiellalactone may prevent the prostate cancer cell-induced generation of MDSCs and reverse the immunosuppressive mechanisms caused by the interplay between prostate cancer cells and MDSCs. This is a potential new immunotherapeutic approach for the treatment of prostate cancer.
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Affiliation(s)
- Rebecka Hellsten
- Division of Urological Cancers, Department of Translational MedicineLund UniversityMalmöSweden
| | - Lisa Lilljebjörn
- Division of Urological Cancers, Department of Translational MedicineLund UniversityMalmöSweden
| | | | - Karin Leandersson
- Cancer Immunology, Department of Translational MedicineLund UniversityMalmöSweden
| | - Anders Bjartell
- Division of Urological Cancers, Department of Translational MedicineLund UniversityMalmöSweden
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50
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Li YD, Lamano JB, Lamano JB, Quaggin-Smith J, Veliceasa D, Kaur G, Biyashev D, Unruh D, Bloch O. Tumor-induced peripheral immunosuppression promotes brain metastasis in patients with non-small cell lung cancer. Cancer Immunol Immunother 2019; 68:1501-1513. [PMID: 31489465 PMCID: PMC7037587 DOI: 10.1007/s00262-019-02384-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 08/24/2019] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Brain metastases are a significant source of morbidity and mortality for patients with lung cancer. Lung cancer can induce local and systemic immunosuppression, promoting tumor growth and dissemination. One mechanism of immunosuppression is tumor-induced expansion of programmed death-ligand 1 (PD-L1) expressing myeloid cells. Here, we investigate peripheral blood immune phenotype in NSCLC patients with or without brain metastasis. METHODS Peripheral blood was collected from patients with lung metastatic brain tumors and pre-metastatic lung cancer. Immunosuppressive monocytes, myeloid-derived suppressor cells (MDSCs), and regulatory T cells (Tregs) were quantified through flow cytometry. T cell reactivity was analyzed via ELISpot. Brain metastasis conditioned media was collected from tumor-derived cell cultures and analyzed for cytokines by ELISA. Naïve monocytes were stimulated with brain metastasis conditioned media to evaluate PD-L1 stimulation. RESULTS Patients with brain metastatic lung carcinoma demonstrated increased peripheral monocyte PD-L1, MDSC abundance, and Treg percentage compared to early stage pre-metastatic patients and healthy controls. Patients with elevated peripheral monocyte PD-L1 had less reactive T cells and worse survival. Brain metastasis conditioned media stimulation increased monocyte PD-L1, and conditioned media IL-6 levels correlated with PD-L1 induction. Treatment with anti-IL-6 or anti-IL-6 receptor antibodies reduced PD-L1 expression. In summary, patients with lung cancer and brain metastases exhibit multiple markers of peripheral immunosuppression. CONCLUSIONS The frequency of PD-L1+ myeloid cells correlated with the presence of brain metastases. Tumor-derived IL-6 was capable of inducing PD-L1+ myeloid cells in vitro, suggesting that monitoring of immunosuppressive factors in peripheral blood may identify new targets for therapeutic intervention in selected patients.
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Affiliation(s)
- Yuping D Li
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jonathan B Lamano
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jason B Lamano
- Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Jessica Quaggin-Smith
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Dorina Veliceasa
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Gurvinder Kaur
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Dauren Biyashev
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Dusten Unruh
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Orin Bloch
- Department of Neurological Surgery, University of California - Davis, 4860 Y Street, Suite 3740, Sacramento, CA, 95817, USA.
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