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Ramos C, Gerakopoulos V, Oehler R. Metastasis-associated fibroblasts in peritoneal surface malignancies. Br J Cancer 2024; 131:407-419. [PMID: 38783165 PMCID: PMC11300623 DOI: 10.1038/s41416-024-02717-4] [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: 01/31/2024] [Revised: 05/06/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024] Open
Abstract
Over decades, peritoneal surface malignancies (PSMs) have been associated with limited treatment options and poor prognosis. However, advancements in perioperative systemic chemotherapy, cytoreductive surgery (CRS), and hyperthermic intraperitoneal chemotherapy (HIPEC) have significantly improved clinical outcomes. PSMs predominantly result from the spread of intra-abdominal neoplasia, which then form secondary peritoneal metastases. Colorectal, ovarian, and gastric cancers are the most common contributors. Despite diverse primary origins, the uniqueness of the peritoneum microenvironment shapes the common features of PSMs. Peritoneal metastization involves complex interactions between tumour cells and the peritoneal microenvironment. Fibroblasts play a crucial role, contributing to tumour development, progression, and therapy resistance. Peritoneal metastasis-associated fibroblasts (MAFs) in PSMs exhibit high heterogeneity. Single-cell RNA sequencing technology has revealed that immune-regulatory cancer-associated fibroblasts (iCAFs) seem to be the most prevalent subtype in PSMs. In addition, other major subtypes as myofibroblastic CAFs (myCAFs) and matrix CAFs (mCAFs) were frequently observed across PSMs studies. Peritoneal MAFs are suggested to originate from mesothelial cells, submesothelial fibroblasts, pericytes, endothelial cells, and omental-resident cells. This plasticity and heterogeneity of CAFs contribute to the complex microenvironment in PSMs, impacting treatment responses. Understanding these interactions is crucial for developing targeted and local therapies to improve PSMs patient outcomes.
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Affiliation(s)
- Cristiano Ramos
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Vasileios Gerakopoulos
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria
| | - Rudolf Oehler
- Department of General Surgery, Division of Visceral Surgery, Medical University of Vienna, Vienna, Austria.
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Tang PW, Frisbie L, Hempel N, Coffman L. Insights into the tumor-stromal-immune cell metabolism cross talk in ovarian cancer. Am J Physiol Cell Physiol 2023; 325:C731-C749. [PMID: 37545409 DOI: 10.1152/ajpcell.00588.2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/08/2023]
Abstract
The ovarian cancer tumor microenvironment (TME) consists of a constellation of abundant cellular components, extracellular matrix, and soluble factors. Soluble factors, such as cytokines, chemokines, structural proteins, extracellular vesicles, and metabolites, are critical means of noncontact cellular communication acting as messengers to convey pro- or antitumorigenic signals. Vast advancements have been made in our understanding of how cancer cells adapt their metabolism to meet environmental demands and utilize these adaptations to promote survival, metastasis, and therapeutic resistance. The stromal TME contribution to this metabolic rewiring has been relatively underexplored, particularly in ovarian cancer. Thus, metabolic activity alterations in the TME hold promise for further study and potential therapeutic exploitation. In this review, we focus on the cellular components of the TME with emphasis on 1) metabolic signatures of ovarian cancer; 2) understanding the stromal cell network and their metabolic cross talk with tumor cells; and 3) how stromal and tumor cell metabolites alter intratumoral immune cell metabolism and function. Together, these elements provide insight into the metabolic influence of the TME and emphasize the importance of understanding how metabolic performance drives cancer progression.
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Affiliation(s)
- Priscilla W Tang
- Division of Hematology/Oncology, Department of Medicine, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Leonard Frisbie
- Department of Integrative Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Nadine Hempel
- Division of Hematology/Oncology, Department of Medicine, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Lan Coffman
- Division of Hematology/Oncology, Department of Medicine, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
- Division of Gynecologic Oncology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
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Huang Q, Sun Y, Sun J, Peng L, Shang H, Wei D, Li C, Hu Z, Peng H. Proteomic Characterization of Peritoneal Extracellular Vesicles in a Mouse Model of Peritoneal Fibrosis. J Proteome Res 2023; 22:908-918. [PMID: 36648763 DOI: 10.1021/acs.jproteome.2c00713] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Peritoneal fibrosis progression is regarded as a significant cause of the loss of peritoneal function, markedly limiting the application of peritoneal dialysis (PD). However, the pathogenesis of peritoneal fibrosis remains to be elucidated. Tissue-derived extracellular vesicles (EVs) change their molecular cargos to adapt the environment alteration, mediating intercellular communications and play a significant role in organ fibrosis. Hence, we performed, for the first time, four-dimensional label-free quantitative liquid chromatography-tandem mass spectrometry proteomic analyses on EVs from normal peritoneal tissues and PD-induced fibrotic peritoneum in mice. We demonstrated the alterations of EV concentration and protein composition between normal control and PD groups. A total of 2339 proteins containing 967 differentially expressed proteins were identified. Notably, upregulated proteins in PD EVs were enriched in processes including response to wounding and leukocyte migration, which participated in the development of fibrosis. In addition, EV proteins of the PD group exhibited unique metabolic signature compared with those of the control group. The glycolysis-related proteins increased in PD EVs, while oxidative phosphorylation and fatty acid metabolism-related proteins decreased. We also evaluated the effect of cell-type specificity on EV proteins, suggesting that mesothelial cells mainly cause the alterations in the molecular composition of EVs. Our study provided a useful resource for further validation of the key regulator or therapeutic target of peritoneal fibrosis.
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Affiliation(s)
- Qiang Huang
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Yuxiang Sun
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Juan Sun
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Long Peng
- Division of Cardiovascular Medicine, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Hongli Shang
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Dandan Wei
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Canming Li
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Zhaoyong Hu
- Nephrology Division, Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, United States
| | - Hui Peng
- Nephrology Division, Department of Medicine, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
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Louwe PA, Forbes SJ, Bénézech C, Pridans C, Jenkins SJ. Cell origin and niche availability dictate the capacity of peritoneal macrophages to colonize the cavity and omentum. Immunology 2022; 166:458-474. [PMID: 35437746 PMCID: PMC7613338 DOI: 10.1111/imm.13483] [Citation(s) in RCA: 7] [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: 09/14/2021] [Accepted: 03/15/2022] [Indexed: 12/02/2022] Open
Abstract
The relationship between macrophages of the peritoneal cavity and the adjacent omentum remains poorly understood. Here, we describe two populations of omental macrophages distinguished by CD102 expression and use an adoptive cell transfer approach to investigate whether these arise from peritoneal macrophages, and whether this depends upon inflammatory status, the origin of peritoneal macrophages and availability of the omental niches. We show that whereas established resident peritoneal macrophages largely fail to migrate to the omentum, monocyte-derived resident cells readily migrate and form a substantial component of omental CD102+ macrophages in the months following resolution of peritoneal inflammation. In contrast, both populations had the capacity to migrate to the omentum in the absence of endogenous peritoneal and omental macrophages. However, inflammatory macrophages expanded more effectively and more efficiently repopulated both CD102+ and CD102- omental populations, whereas established resident macrophages partially reconstituted the omental niche via recruitment of monocytes. Hence, cell origin determines the migration of peritoneal macrophages to the omentum and predisposes established resident macrophages to drive infiltration of monocyte-derived cells.
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Affiliation(s)
- Pieter A. Louwe
- Queens Medical Research Institute, University of Edinburgh Centre for Inflammation Research, Edinburgh, UK
- Laboratory of Myeloid Cell Biology in Tissue Damage and Inflammation, VIB Center for Inflammation Research, Ghent, Belgium
| | - Stuart J. Forbes
- Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
| | - Cécile Bénézech
- Queens Medical Research Institute, University of Edinburgh Centre for Cardiovascular Science, Edinburgh, UK
| | - Clare Pridans
- Queens Medical Research Institute, University of Edinburgh Centre for Inflammation Research, Edinburgh, UK
- Simons Initiative for the Developing Brain, Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, UK
| | - Stephen J. Jenkins
- Queens Medical Research Institute, University of Edinburgh Centre for Inflammation Research, Edinburgh, UK
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