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Gonçalves IV, Pinheiro-Rosa N, Torres L, Oliveira MDA, Rapozo Guimarães G, Leite CDS, Ortega JM, Lopes MTP, Faria AMC, Martins MLB, Felicori LF. Dynamic changes in B cell subpopulations in response to triple-negative breast cancer development. Sci Rep 2024; 14:11576. [PMID: 38773133 PMCID: PMC11109097 DOI: 10.1038/s41598-024-60243-y] [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: 09/26/2023] [Accepted: 04/19/2024] [Indexed: 05/23/2024] Open
Abstract
Despite presenting a worse prognosis and being associated with highly aggressive tumors, triple-negative breast cancer (TNBC) is characterized by the higher frequency of tumor-infiltrating lymphocytes, which have been implicated in better overall survival and response to therapy. Though recent studies have reported the capacity of B lymphocytes to recognize overly-expressed normal proteins, and tumor-associated antigens, how tumor development potentially modifies B cell response is yet to be elucidated. Our findings reveal distinct effects of 4T1 and E0771 murine tumor development on B cells in secondary lymphoid organs. Notably, we observe a significant expansion of total B cells and plasma cells in the tumor-draining lymph nodes (tDLNs) as early as 7 days after tumor challenge in both murine models, whereas changes in the spleen are less pronounced. Surprisingly, within the tumor microenvironment (TME) of both models, we detect distinct B cell subpopulations, but tumor development does not appear to cause major alterations in their frequency over time. Furthermore, our investigation into B cell regulatory phenotypes highlights that the B10 Breg phenotype remains unaffected in the evaluated tissues. Most importantly, we identified an increase in CD19 + LAG-3 + cells in tDLNs of both murine models. Interestingly, although CD19 + LAG-3 + cells represent a minor subset of total B cells (< 3%) in all evaluated tissues, most of these cells exhibit elevated expression of IgD, suggesting that LAG-3 may serve as an activation marker for B cells. Corroborating with these findings, we detected distinct cell cycle and proliferation genes alongside LAG-3 analyzing scRNA-Seq data from a cohort of TNBC patients. More importantly, our study suggests that the presence of LAG-3 B cells in breast tumors could be associated with a good prognosis, as patients with higher levels of LAG-3 B cell transcripts had a longer progression-free interval (PFI). This novel insight could pave the way for targeted therapies that harness the unique properties of LAG-3 + B cells, potentially offering new avenues for improving patient outcomes in TNBC. Further research is warranted to unravel the mechanistic pathways of these cells and to validate their prognostic value in larger, diverse patient cohorts.
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Affiliation(s)
- Igor Visconte Gonçalves
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Natália Pinheiro-Rosa
- NYU Grossman School of Medicine, NYU Langone Health, New York University, 550 1st Ave, New York, NY, 10016, USA
| | - Lícia Torres
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Mariana de Almeida Oliveira
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Gabriela Rapozo Guimarães
- Instituto Nacional de Câncer, Ministério da Saúde, Coordenação de Pesquisa, Laboratório de Bioinformática e Biologia Computacional - Rua André Cavalcanti, 37, 1 Andar, Centro, Rio de Janeiro, RJ, 20231050, Brasil
| | - Christiana da Silva Leite
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - José Miguel Ortega
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Miriam Teresa Paz Lopes
- Department of Pharmacology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Ana Maria Caetano Faria
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil
| | - Mariana Lima Boroni Martins
- Instituto Nacional de Câncer, Ministério da Saúde, Coordenação de Pesquisa, Laboratório de Bioinformática e Biologia Computacional - Rua André Cavalcanti, 37, 1 Andar, Centro, Rio de Janeiro, RJ, 20231050, Brasil
| | - Liza Figueiredo Felicori
- Department of Biochemistry and Immunology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627 - Pampulha, Belo Horizonte, MG, 31270-901, Brazil.
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Hiraga T, Nishida D, Horibe K. Primary tumor-induced immunity suppresses bone metastases of breast cancer in syngeneic immunocompetent mouse models. Bone 2024; 178:116944. [PMID: 37863157 DOI: 10.1016/j.bone.2023.116944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/31/2023] [Accepted: 10/16/2023] [Indexed: 10/22/2023]
Abstract
The immune system plays a crucial role in cancer development and progression. More than a century ago, mouse models showed that primary tumors suppressed the growth of newly implanted secondary tumors. This phenomenon, in which tumor-primed T cells mediate the rejection of tumor growth at a distant site, is known as concomitant tumor immunity. Here, we investigated the role of concomitant immunity in the development of breast cancer bone metastases using newly developed syngeneic immunocompetent mouse models. The presence of primary breast tumors developed by tumor cell injection into the mammary fat pads (MFPs) significantly reduced bone metastases of mouse breast cancer 4T1 and EMT6 cells induced by cell injection through the caudal artery (CA). Similar results were obtained when primary tumors were surgically resected prior to CA injection of tumor cells. In contrast, no inhibition was found when MFP and CA injections were performed using different cell combinations. Immunohistochemical studies revealed that the number of CD8+ T cells in bone metastases of 4T1 and EMT6 cells was significantly increased in the presence of primary tumors. The primary tumor-induced inhibition of bone metastases was not reproduced in T cell-deficient athymic nude mice. Furthermore, depletion of CD8+ T cells using an anti-CD8α antibody also abolished the primary tumor-induced inhibition of bone metastases. Taken together, these results suggest that immune cell priming by orthotopic breast tumors inhibits the development of breast cancer bone metastases, which is predominantly mediated by CD8+ cytotoxic T lymphocytes.
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Affiliation(s)
- Toru Hiraga
- Department of Histology and Cell Biology, Matsumoto Dental University, Shiojiri, Nagano, Japan.
| | - Daisuke Nishida
- Department of Histology and Cell Biology, Matsumoto Dental University, Shiojiri, Nagano, Japan
| | - Kanji Horibe
- Department of Histology and Cell Biology, Matsumoto Dental University, Shiojiri, Nagano, Japan
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Deo A, Sleeman JP, Shaked Y. The role of host response to chemotherapy: resistance, metastasis and clinical implications. Clin Exp Metastasis 2023:10.1007/s10585-023-10243-5. [PMID: 37999904 DOI: 10.1007/s10585-023-10243-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 11/06/2023] [Indexed: 11/25/2023]
Abstract
Chemotherapy remains the primary treatment for most metastatic cancers. However, the response to chemotherapy and targeted agents is often transient, and concurrent development of resistance is the primary impediment to effective cancer therapy. Strategies to overcome resistance to treatment have focused on cancer cell intrinsic factors and the tumor microenvironment (TME). Recent evidence indicates that systemic chemotherapy has a significant impact on the host that either facilitates tumor growth, allowing metastatic spread, or renders treatment ineffective. These host responses include the release of bone marrow-derived cells, activation of stromal cells in the TME, and induction of different molecular effectors. Here, we provide an overview of chemotherapy-induced systemic host responses that support tumor aggressiveness and metastasis, and which contribute to therapy resistance. Studying host responses to chemotherapy provides a solid basis for the development of adjuvant strategies to improve treatment outcomes and delay resistance to chemotherapy. This review discusses the emerging field of host response to cancer therapy, and its preclinical and potential clinical implications, explaining how under certain circumstances, these host effects contribute to metastasis and resistance to chemotherapy.
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Affiliation(s)
- Abhilash Deo
- Department of Cell Biology and Cancer Science, Rappaport Technion Integrated Cancer Center, Technion - Israel Institute of Technology, Haifa, Israel
| | - Jonathan P Sleeman
- European Centre for Angioscience (ECAS), Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- Karlsruhe Institute for Technology (KIT), IBCS-BIP, Campus Nord, 76344, Eggenstein- Leopoldshafen, Germany
| | - Yuval Shaked
- Department of Cell Biology and Cancer Science, Rappaport Technion Integrated Cancer Center, Technion - Israel Institute of Technology, Haifa, Israel.
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Zhou X, Zhang J, Lv W, Zhao C, Xia Y, Wu Y, Zhang Q. The pleiotropic roles of adipocyte secretome in remodeling breast cancer. J Exp Clin Cancer Res 2022; 41:203. [PMID: 35701840 PMCID: PMC9199207 DOI: 10.1186/s13046-022-02408-z] [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: 04/22/2022] [Accepted: 05/30/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Breast cancer is the leading female cancer type and the cause of cancer-related mortality worldwide. Adipocytes possess important functions of energy supply, metabolic regulation, and cytokine release, and are also the matrix cell that supports mammary gland tissue. In breast cancer tumor microenvironment (TME), adipocytes are the prominent stromal cells and are implicated in inflammation, metastatic formation, metabolic remodeling, and cancer susceptibility.
Main body
It is well-established that adipocyte secretome is a reservoir engaged in the regulation of tumor cell behavior by secreting a large number of cytokines (IL-6, IL-8, and chemokines), adipokines (leptin, adiponectin, autotaxin, and resistin), lipid metabolites (free fatty acids and β-hydroxybutyrate), and other exosome-encapsulated substances. These released factors influence the evolution and clinical outcome of breast cancer through complex mechanisms. The progression of breast cancer tumors revolves around the tumor-adipose stromal network, which may contribute to breast cancer aggressiveness by increasing the pro-malignant potential of TME and tumor cells themselves. Most importantly, the secretome alterations of adipocytes are regarded as distinctly important targets for breast cancer diagnosis, treatment, and drug resistance.
Conclusion
Therefore, this review will provide a comprehensive description of the specific adipocyte secretome characteristics and interactions within TME cell populations, which will enable us to better tailor strategies for tumor stratification management and treatment.
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