1
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Li S, Gai K, Dong K, Zhang Y, Zhang S. High-density generation of spatial transcriptomics with STAGE. Nucleic Acids Res 2024; 52:4843-4856. [PMID: 38647109 PMCID: PMC11109953 DOI: 10.1093/nar/gkae294] [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: 01/15/2024] [Revised: 03/06/2024] [Accepted: 04/06/2024] [Indexed: 04/25/2024] Open
Abstract
Spatial transcriptome technologies have enabled the measurement of gene expression while maintaining spatial location information for deciphering the spatial heterogeneity of biological tissues. However, they were heavily limited by the sparse spatial resolution and low data quality. To this end, we develop a spatial location-supervised auto-encoder generator STAGE for generating high-density spatial transcriptomics (ST). STAGE takes advantage of the customized supervised auto-encoder to learn continuous patterns of gene expression in space and generate high-resolution expressions for given spatial coordinates. STAGE can improve the low quality of spatial transcriptome data and smooth the generated manifold of gene expression through the de-noising function on the latent codes of the auto-encoder. Applications to four ST datasets, STAGE has shown better recovery performance for down-sampled data than existing methods, revealed significant tissue structure specificity, and enabled robust identification of spatially informative genes and patterns. In addition, STAGE can be extended to three-dimensional (3D) stacked ST data for generating gene expression at any position between consecutive sections for shaping high-density 3D ST configuration.
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Affiliation(s)
- Shang Li
- NCMIS, CEMS, RCSDS, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China
- School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kuo Gai
- NCMIS, CEMS, RCSDS, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China
- School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kangning Dong
- NCMIS, CEMS, RCSDS, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China
- School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiyang Zhang
- School of Software, Yunnan University, Kunming 650091, China
| | - Shihua Zhang
- NCMIS, CEMS, RCSDS, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, China
- School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou 310024, China
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2
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Taheri G, Habibi M. Uncovering driver genes in breast cancer through an innovative machine learning mutational analysis method. Comput Biol Med 2024; 171:108234. [PMID: 38430742 DOI: 10.1016/j.compbiomed.2024.108234] [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: 08/15/2023] [Revised: 01/25/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Breast cancer has become a severe public health concern and one of the leading causes of cancer-related death in women worldwide. Several genes and mutations in these genes linked to breast cancer have been identified using sophisticated techniques, despite the fact that the exact cause of breast cancer is still unknown. A commonly used feature for identifying driver mutations is the recurrence of a mutation in patients. Nevertheless, some mutations are more likely to occur than others for various reasons. Sequencing analysis has shown that cancer-driving genes operate across complex networks, often with mutations appearing in a modular pattern. In this work, as a retrospective study, we used TCGA data, which is gathered from breast cancer patients. We introduced a new machine-learning approach to examine gene functionality in networks derived from mutation associations, gene-gene interactions, and graph clustering for breast cancer analysis. These networks have uncovered crucial biological components in critical pathways, particularly those that exhibit low-frequency mutations. The statistical strength of the clinical study is significantly boosted by evaluating the network as a whole instead of just single gene effects. Our method successfully identified essential driver genes with diverse mutation frequencies. We then explored the functions of these potential driver genes and their related pathways. By uncovering low-frequency genes, we shed light on understudied pathways associated with breast cancer. Additionally, we present a novel Monte Carlo-based algorithm to identify driver modules in breast cancer. Our findings highlight the significance and role of these modules in critical signaling pathways in breast cancer, providing a comprehensive understanding of breast cancer development. Materials and implementations are available at: [https://github.com/MahnazHabibi/BreastCancer].
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Affiliation(s)
- Golnaz Taheri
- Department of Computer and Systems Sciences, Stockholm University, Stockholm, Sweden; Science for Life Laboratory, Stockholm, Sweden.
| | - Mahnaz Habibi
- Department of Mathematics, Qazvin Branch, Islamic Azad University, Qazvin, Iran
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3
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Hicks C, Gardner J, Eiger DS, Camarda ND, Pham U, Dhar S, Rodriguez H, Chundi A, Rajagopal S. ACKR3 Proximity Labeling Identifies Novel G protein- and β-arrestin-independent GPCR Interacting Proteins. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.27.577545. [PMID: 38410489 PMCID: PMC10896341 DOI: 10.1101/2024.01.27.577545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
The canonical paradigm of GPCR signaling recognizes G proteins and β-arrestins as the two primary transducers that promote GPCR signaling. Recent evidence suggests the atypical chemokine receptor 3 (ACKR3) does not couple to G proteins, and β-arrestins are dispensable for some of its functions. Here, we employed proximity labeling to identify proteins that interact with ACKR3 in cells devoid of β-arrestin. We identified proteins involved in the endocytic machinery and evaluated a subset of proteins conserved across several GPCR-based proximity labeling experiments. We discovered that the bone morphogenic protein 2-inducible kinase (BMP2K) interacts with many different GPCRs with varying dependency on β-arrestin. Together, our work highlights the existence of modulators that can act independently of G proteins and β-arrestins to regulate GPCR signaling and provides important evidence for other targets that may regulate GPCR signaling.
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Affiliation(s)
- Chloe Hicks
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Julia Gardner
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Dylan Scott Eiger
- Department of Medicine, Brigham and Women’s Hospital, Boston, MA, 02215, USA
- Harvard Medical School, Boston, MA, 02215, USA
| | - Nicholas D. Camarda
- Genetics, Molecular, and Cellular Biology Program, Tufts Graduate School of Biomedical Sciences, Boston, MA, 02111, USA
| | - Uyen Pham
- Department of Biochemistry, Duke University, Durham, NC, 27710, USA
| | - Saisha Dhar
- Trinity College, Duke University, Durham, NC, 27710, USA
| | | | - Anand Chundi
- Pratt School of Engineering, Duke University, Durham, NC, 27710, USA
| | - Sudarshan Rajagopal
- Department of Biochemistry, Duke University, Durham, NC, 27710, USA
- Department of Medicine, Duke University, Durham, NC, 27710, USA
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4
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Dekkers S, Comez D, Karsai N, Arimont-Segura M, Canals M, Caspar B, de Graaf C, Kilpatrick LE, Leurs R, Kellam B, Hill SJ, Briddon SJ, Stocks MJ. Small Molecule Fluorescent Ligands for the Atypical Chemokine Receptor 3 (ACKR3). ACS Med Chem Lett 2024; 15:143-148. [PMID: 38229752 PMCID: PMC10788940 DOI: 10.1021/acsmedchemlett.3c00469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/24/2023] [Accepted: 11/29/2023] [Indexed: 01/18/2024] Open
Abstract
The atypical chemokine receptor 3 (ACKR3) is a receptor that induces cancer progression and metastasis in multiple cell types. Therefore, new chemical tools are required to study the role of ACKR3 in cancer and other diseases. In this study, fluorescent probes, based on a series of small molecule ACKR3 agonists, were synthesized. Three fluorescent probes, which showed specific binding to ACKR3 through a luminescence-based NanoBRET binding assay (pKd ranging from 6.8 to 7.8) are disclosed. Due to their high affinity at the ACKR3, we have shown their application in both competition binding experiments and confocal microscopy studies showing the cellular distribution of this receptor.
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Affiliation(s)
- Sebastian Dekkers
- Biodiscovery
Institute, School of Pharmacy, University
of Nottingham, Nottingham NG7 2RD, United
Kingdom
| | - Dehan Comez
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
- Division
of Physiology, Pharmacology & Neuroscience, Medical School, University of Nottingham, Nottingham NG7 2UH, U.K.
| | - Noemi Karsai
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
- Division
of Physiology, Pharmacology & Neuroscience, Medical School, University of Nottingham, Nottingham NG7 2UH, U.K.
| | - Marta Arimont-Segura
- Division
of Medicinal Chemistry, Amsterdam Institute of Molecular and Life
Sciences (AIMMS), Faculty of Science, Vrije
Universiteit Amsterdam, De Boelelaan 1108, Amsterdam 1081 HZ, The Netherlands
| | - Meritxell Canals
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
- Division
of Physiology, Pharmacology & Neuroscience, Medical School, University of Nottingham, Nottingham NG7 2UH, U.K.
| | - Birgit Caspar
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
- Division
of Physiology, Pharmacology & Neuroscience, Medical School, University of Nottingham, Nottingham NG7 2UH, U.K.
| | - Chris de Graaf
- Division
of Medicinal Chemistry, Amsterdam Institute of Molecular and Life
Sciences (AIMMS), Faculty of Science, Vrije
Universiteit Amsterdam, De Boelelaan 1108, Amsterdam 1081 HZ, The Netherlands
| | - Laura E. Kilpatrick
- Biodiscovery
Institute, School of Pharmacy, University
of Nottingham, Nottingham NG7 2RD, United
Kingdom
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
| | - Rob Leurs
- Division
of Medicinal Chemistry, Amsterdam Institute of Molecular and Life
Sciences (AIMMS), Faculty of Science, Vrije
Universiteit Amsterdam, De Boelelaan 1108, Amsterdam 1081 HZ, The Netherlands
| | - Barrie Kellam
- Biodiscovery
Institute, School of Pharmacy, University
of Nottingham, Nottingham NG7 2RD, United
Kingdom
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
| | - Stephen J. Hill
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
- Division
of Physiology, Pharmacology & Neuroscience, Medical School, University of Nottingham, Nottingham NG7 2UH, U.K.
| | - Stephen J. Briddon
- Centre
of Membrane Proteins and Receptors, University
of Birmingham and University of Nottingham, The Midlands NG7 2UH, United Kingdom
- Division
of Physiology, Pharmacology & Neuroscience, Medical School, University of Nottingham, Nottingham NG7 2UH, U.K.
| | - Michael J. Stocks
- Biodiscovery
Institute, School of Pharmacy, University
of Nottingham, Nottingham NG7 2RD, United
Kingdom
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5
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Yang L, Zhang S, Pu P. Comprehensive analysis of ACKR family members in breast cancer using prognostic values. Oncol Lett 2023; 26:425. [PMID: 37664667 PMCID: PMC10472033 DOI: 10.3892/ol.2023.14011] [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: 05/12/2023] [Accepted: 07/25/2023] [Indexed: 09/05/2023] Open
Abstract
Breast cancer (BC) is by far the most prevalent malignancy found in the female population. Atypical chemokine receptors (ACKRs) are a subclass of G-protein-coupled receptors, which are characterized by disrupted ligand binding and a breakdown of signaling following ligand binding. The evolution and function of multiple ACKRs in BC have yet to be fully elucidated, although certain findings on this family have been reported in several studies in Homo sapiens and other species. The present study identified that the expression level of ACKRs was significantly lower in breast carcinoma (BRCA) tissues compared with normal breast tissues through searches of the Tumor Immune Estimation Resource, UALCAN and Gene Expression Profiling Interactive Analysis databases. Additionally, when comparing BRCA tissues with normal breast tissues, it was found that there was obvious hypomethylation in the promoters of ACKR1, ACKR3 and ACKR5, as well as a marked hypermethylation in the promoters of ACKR2 and ACKR6. In determining the prognosis of patients with BRCA, the expression levels of ACKR1, ACKR2, ACKR3, ACKR4 and ACKR6 were all found to be important factors. The values for distant metastasis-free survival (DMFS), overall survival (OS) and recurrence-free survival (RFS) were all found to be lower in patients with BRCA who had a low expression level of ACKR1. In addition, the RFS rates for patients with BRCA were lower when the expression of ACKR2 was low, and worse values for DMFS, OS and RFS were found to be highly correlated with higher expression levels of ACKR3. Moreover, the DMFS, OS, RFS and predictive power score values were worse in those patients with low ACKR4 expression, and the RFS values for patients with BRCA were also found to be lower when the expression level of ACKR6 was low. Additionally, dendritic cells, macrophages, neutrophils, T cells with CD4+ status, T cells with CD8+ status and B cells were all substantially linked with ACKR expression, as well as immune cell infiltration. Taken together, the findings of the present study may offer a theoretical foundation for the creation of novel targets and prognostic indicators for BRCA therapy.
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Affiliation(s)
- Lixian Yang
- Department of Breast Surgery, Xingtai People's Hospital, Xingtai, Hebei 054000, P.R. China
| | - Shiyu Zhang
- Department of Breast Surgery, Xingtai People's Hospital, Xingtai, Hebei 054000, P.R. China
| | - Pengpeng Pu
- Department of Breast Surgery, Xingtai People's Hospital, Xingtai, Hebei 054000, P.R. China
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6
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Zhang X, Song Q, Zeng L. Circulating hsa_circ_0072309, acting via the miR-100/ACKR3 pathway, maybe a potential biomarker for the diagnosis, prognosis, and treatment of brain metastasis from non-small-cell lung cancer. Cancer Med 2023; 12:18005-18019. [PMID: 37496297 PMCID: PMC10523940 DOI: 10.1002/cam4.6371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/25/2023] [Accepted: 07/13/2023] [Indexed: 07/28/2023] Open
Abstract
BACKGROUND One of the main causes of lung cancer-related death is brain metastasis (BM). Finding early indicators of BM derived from lung cancer is crucial. Therefore, this study was designed to determine if serum hsa_circ_0072309 may be employed as a potential biomarker for BM induced by non-small-cell lung cancer (NSCLC) and to understand its possible underlying mechanism. METHODS Primary lung cancer and healthy neighboring tissues were obtained from all patients, while BM tissues were taken from BM+ patients. Serum specimens were collected from all patients and healthy volunteers. Hsa_circ_001653, miR-100, and ACKR3 RNA expressions were analyzed by quantitative reverse transcription-polymerase chain reaction (qRT-PCR), and atypical chemokine receptor 3 (ACKR3) protein expression by western blotting (WB), immunohistochemistry (IHC), and enzyme-linked immunosorbent assay (ELISA). In order to examine the effect of serum hsa_circ_0072309 and its relevant mechanism on BM development, an NSCLC-associated BM model in mice was established. RESULTS According to the results, miR-100 expression was down-regulated in primary lung cancer tissues compared to healthy lung tissues in all NSCLC patients, and circ_0072309 and ACKR3 expression were up-regulated. In BM tissues compared with primary lung tumors of BM+ patients, in serum samples from all patients compared to healthy volunteers, and in lung tumors of BM+ patients compared to those from BM- patients. Patients' serum exhibits the same level of hsa_circ_0072309/miR-100/ACKR3 expression as in BM samples. Advanced tumor-node-metastasis (TNM) stage, higher BM, shorter post-operative overall survival (OS), and progression-free survival (PFS) are all substantially associated with increased serum circ_0072309 levels in BM+ patients. In animal models, serum owning hsa_circ_0072309 from BM+ patients facilitates BM formation by regulating the miR-100/ACKR3 pathway. CONCLUSIONS The current preliminary research reveals serum hsa_circ_0072309 as a possible biomarker and target for early diagnosis, prognosis, and therapy of NSCLC-derived BM and suggests a substantial role for the hsa_circ_0072309/miR-100/ACKR3 axis in the formation of BM from NSCLC.
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Affiliation(s)
- Xiao‐Qiang Zhang
- Department of thoracic surgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Qian Song
- Department of thoracic surgeryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
| | - Lin‐Xiang Zeng
- Department of Respiratory and Critical Care MedicineThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
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7
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Chen Q, Schafer CT, Mukherjee S, Gustavsson M, Agrawal P, Yao XQ, Kossiakoff AA, Handel TM, Tesmer JJG. ACKR3-arrestin2/3 complexes reveal molecular consequences of GRK-dependent barcoding. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.18.549504. [PMID: 37502840 PMCID: PMC10370059 DOI: 10.1101/2023.07.18.549504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Atypical chemokine receptor 3 (ACKR3, also known as CXCR7) is a scavenger receptor that regulates extracellular levels of the chemokine CXCL12 to maintain responsiveness of its partner, the G protein-coupled receptor (GPCR), CXCR4. ACKR3 is notable because it does not couple to G proteins and instead is completely biased towards arrestins. Our previous studies revealed that GRK2 and GRK5 install distinct distributions of phosphates (or "barcodes") on the ACKR3 carboxy terminal tail, but how these unique barcodes drive different cellular outcomes is not understood. It is also not known if arrestin2 (Arr2) and 3 (Arr3) bind to these barcodes in distinct ways. Here we report cryo-electron microscopy structures of Arr2 and Arr3 in complex with ACKR3 phosphorylated by either GRK2 or GRK5. Unexpectedly, the finger loops of Arr2 and 3 directly insert into the detergent/membrane instead of the transmembrane core of ACKR3, in contrast to previously reported "core" GPCR-arrestin complexes. The distance between the phosphorylation barcode and the receptor transmembrane core regulates the interaction mode of arrestin, alternating between a tighter complex for GRK5 sites and heterogenous primarily "tail only" complexes for GRK2 sites. Arr2 and 3 bind at different angles relative to the core of ACKR3, likely due to differences in membrane/micelle anchoring at their C-edge loops. Our structural investigations were facilitated by Fab7, a novel Fab that binds both Arr2 and 3 in their activated states irrespective of receptor or phosphorylation status, rendering it a potentially useful tool to aid structure determination of any native GPCR-arrestin complex. The structures provide unprecedented insight into how different phosphorylation barcodes and arrestin isoforms can globally affect the configuration of receptor-arrestin complexes. These differences may promote unique downstream intracellular interactions and cellular responses. Our structures also suggest that the 100% bias of ACKR3 for arrestins is driven by the ability of arrestins, but not G proteins, to bind GRK-phosphorylated ACKR3 even when excluded from the receptor cytoplasmic binding pocket.
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Affiliation(s)
- Qiuyan Chen
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Biological Sciences, Purdue University, West Lafayette IN 47907-2054, USA
| | - Christopher T Schafer
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093 USA
- Department of Medicinal Chemistry, Amsterdam Institute for Molecular and Life Sciences, Faculty of Science, Vrije Universiteit Amsterdam, 1081 HV Amsterdam, Netherlands
| | - Somnath Mukherjee
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, IL60637, USA
| | - Martin Gustavsson
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093 USA
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Parth Agrawal
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, IL60637, USA
| | - Xin-Qiu Yao
- Department of Chemistry, Georgia State University, Atlanta, GA 30303, USA
| | - Anthony A Kossiakoff
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, IL60637, USA
| | - Tracy M Handel
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA 92093 USA
| | - John J G Tesmer
- Department of Biological Sciences, Purdue University, West Lafayette IN 47907-2054, USA
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8
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Antonello P, Pizzagalli DU, Foglierini M, Melgrati S, Radice E, Thelen S, Thelen M. ACKR3 promotes CXCL12/CXCR4-mediated cell-to-cell-induced lymphoma migration through LTB4 production. Front Immunol 2023; 13:1067885. [PMID: 36713377 PMCID: PMC9878562 DOI: 10.3389/fimmu.2022.1067885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/22/2022] [Indexed: 01/14/2023] Open
Abstract
Chemotaxis is an essential physiological process, often harnessed by tumors for metastasis. CXCR4, its ligand CXCL12 and the atypical receptor ACKR3 are overexpressed in many human cancers. Interfering with this axis by ACKR3 deletion impairs lymphoma cell migration towards CXCL12. Here, we propose a model of how ACKR3 controls the migration of the diffused large B-cell lymphoma VAL cells in vitro and in vivo in response to CXCL12. VAL cells expressing full-length ACKR3, but not a truncated version missing the C-terminus, can support the migration of VAL cells lacking ACKR3 (VAL-ko) when allowed to migrate together. This migration of VAL-ko cells is pertussis toxin-sensitive suggesting the involvement of a Gi-protein coupled receptor. RNAseq analysis indicate the expression of chemotaxis-mediating LTB4 receptors in VAL cells. We found that LTB4 acts synergistically with CXCL12 in stimulating the migration of VAL cells. Pharmacologic or genetic inhibition of BLT1R markedly reduces chemotaxis towards CXCL12 suggesting that LTB4 enhances in a contact-independent manner the migration of lymphoma cells. The results unveil a novel mechanism of cell-to-cell-induced migration of lymphoma.
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Affiliation(s)
- Paola Antonello
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
- Graduate School of Cellular and Molecular Sciences, University of Bern, Bern, Switzerland
| | - Diego U. Pizzagalli
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
- Università della Svizzera italiana, Euler Institute, Lugano-Viganello, Switzerland
| | - Mathilde Foglierini
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Serena Melgrati
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
- Graduate School of Cellular and Molecular Sciences, University of Bern, Bern, Switzerland
| | - Egle Radice
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Sylvia Thelen
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Marcus Thelen
- Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
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9
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Drouillard D, Craig BT, Dwinell MB. Physiology of chemokines in the cancer microenvironment. Am J Physiol Cell Physiol 2023; 324:C167-C182. [PMID: 36317799 PMCID: PMC9829481 DOI: 10.1152/ajpcell.00151.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 01/07/2023]
Abstract
Chemokines are chemotactic cytokines whose canonical functions govern movement of receptor-expressing cells along chemical gradients. Chemokines are a physiological system that is finely tuned by ligand and receptor expression, ligand or receptor oligomerization, redundancy, expression of atypical receptors, and non-GPCR binding partners that cumulatively influence discrete pharmacological signaling responses and cellular functions. In cancer, chemokines play paradoxical roles in both the directed emigration of metastatic, receptor-expressing cancer cells out of the tumor as well as immigration of tumor-infiltrating immune cells that culminate in a tumor-unique immune microenvironment. In the age of precision oncology, strategies to effectively harness the power of immunotherapy requires consideration of chemokine gradients within the unique spatial topography and temporal influences with heterogeneous tumors. In this article, we review current literature on the diversity of chemokine ligands and their cellular receptors that detect and process chemotactic gradients and illustrate how differences between ligand recognition and receptor activation influence the signaling machinery that drives cellular movement into and out of the tumor microenvironment. Facets of chemokine physiology across discrete cancer immune phenotypes are contrasted to existing chemokine-centered therapies in cancer.
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Affiliation(s)
- Donovan Drouillard
- Medical Scientist Training Program, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Brian T Craig
- Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Michael B Dwinell
- Department of Microbiology & Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Center for Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin
- Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
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10
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Li Y, Han S, Wu B, Zhong C, Shi Y, Lv C, Fu L, Zhang Y, Lang Q, Liang Z, Yu Y, Tian Y. CXCL11 Correlates with Immune Infiltration and Impacts Patient Immunotherapy Efficacy: A Pan-Cancer Analysis. Front Immunol 2022; 13:951247. [PMID: 35935945 PMCID: PMC9355700 DOI: 10.3389/fimmu.2022.951247] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/20/2022] [Indexed: 11/17/2022] Open
Abstract
Background Immunotherapy has achieved great success in cancer. Nevertheless, many patients cannot benefit from immune checkpoint blockade therapy because of the scantiness of CD8+ T cell infiltration in the tumor microenvironment (TME). CXCL11 is known as a regulator that influences T-cell infiltration into tumors. However, the role of CXCL11 in pan-cancer is still unclear. Methods In this study, we investigated the expression and function of CXCL11 across 33 types of cancers based on datasets from The Cancer Genome Atlas (TCGA) database and the Genotype-Tissue Expression (GTEx) database. We analyzed the CXCL11 differential expression in tumor tissue and nontumoral tissue and in different stages of cancers. Moreover, the correlations among CXCL11 expression, prognosis, mismatch repair, tumor mutation burden (TMB), microsatellite instability (MSI), tumor microenvironment, and immune-related genes were evaluated. Results CXCL11 expression was significantly higher in tumoral tissue than in nontumoral tissue for most types of cancer. Improved CXCL11 expression was related to an inconsistent prognosis in different cancers. CXCL11 was positively associated with CD8+ T cells and T follicular helper cells in the TME. High expression of CXCL11 was positively related to TMB in BLCA, BRCA, CESC, COAD, LGG, LUAD, OV, SKCM, STAD, THYM, and UCEC. A positive correlation between CXCL11 and MSI was found in COAD and UVM. Moreover, functional analysis of CXCL11 showed that high CXCL11 expression was significantly related to immune-relevant pathways. Conclusions CXCL11 might function as a prognostic and immunotherapy marker across cancers. Further investigation into CXCL11 might provide promising insights to improve cancer therapy.
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Affiliation(s)
- Yang Li
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shukun Han
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Baokang Wu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Chongli Zhong
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yu Shi
- Department of General Surgery, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Chao Lv
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Lei Fu
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yizhou Zhang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi Lang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhiyun Liang
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yang Yu
- Department of General Surgery, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Yu Tian
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, China
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11
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He L, Wang X, Liu X, Jia Y, Zhao W, Jia X, Zhu Y, Meng W, Tong Z. Analysis of Clinical Characteristics, Treatment, and Prognostic Factors of 106 Breast Cancer Patients With Solitary Pulmonary Nodules. Front Surg 2022; 9:843913. [PMID: 35242809 PMCID: PMC8885491 DOI: 10.3389/fsurg.2022.843913] [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: 12/27/2021] [Accepted: 01/17/2022] [Indexed: 11/20/2022] Open
Abstract
Objective The clinical features of solitary pulmonary nodules (SPN) in breast cancer patients were retrospectively analyzed, and the clinical features of primary lung cancer (PLC) and metastatic pulmonary breast cancer (MBC) in breast cancer patients were compared, and the treatment plan, curative effect and influencing factors were analyzed. Methods The clinical data of 106 patients of SPN combined with breast cancer surgery in our hospital from January 2015 to June 2020 were analyzed. There were 65 patients of PLC and 41 patients of MBC. Record the characteristics of the primary breast cancer lesion in our patient, the interval between the initial diagnosis of breast cancer and the appearance of SPN, the previous treatment history of our patient, and the characteristics and surgical method of SPN. The survival status of all patients during the follow-up period was recorded. Results The onset age, interval, maximum nodule diameter, ER expression positive rate and radiotherapy history ratio of PLC patients were higher than those of MBC patients, and the lymph node positive rate and triple negative rate were lower than those of MBC patients (P < 0.05). Median survival was 51 months in patients with PLC and 37 months in patients with MBC. The 1, 3, and 5 year overall survival rates in patients with PLC were higher than those in patients with MBC (P < 0.05). Vascular tumor thrombus, SPN type and chemotherapy were all independent factors affecting the prognosis of patients with breast cancer combined with SPN (P < 0.05). Conclusion PLC patients and MBC patients have significant differences in pathological characteristics, like the onset age, interval, maximum nodule diameter, ER expression positive rate, radiotherapy history ratio, the lymph node positive rate, and triple negative rate. Septum, vascular tumor thrombus, SPN type, and chemotherapy are all independent factors that affect the curative effect of breast cancer patients with SPN. Based on the nature of SPN, it can provide reference for clinicians to decide the treatment plan, improve patients' quality of life and prolong their survival time.
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12
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GNAi2/gip2-Regulated Transcriptome and Its Therapeutic Significance in Ovarian Cancer. Biomolecules 2021; 11:biom11081211. [PMID: 34439877 PMCID: PMC8393559 DOI: 10.3390/biom11081211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 12/20/2022] Open
Abstract
Increased expression of GNAi2, which encodes the α-subunit of G-protein i2, has been correlated with the late-stage progression of ovarian cancer. GNAi2, also referred to as the proto-oncogene gip2, transduces signals from lysophosphatidic acid (LPA)-activated LPA-receptors to oncogenic cellular responses in ovarian cancer cells. To identify the oncogenic program activated by gip2, we carried out micro-array-based transcriptomic and bioinformatic analyses using the ovarian cancer cell-line SKOV3, in which the expression of GNAi2/gip2 was silenced by specific shRNA. A cut-off value of 5-fold change in gene expression (p < 0.05) indicated that a total of 264 genes were dependent upon gip2-expression with 136 genes coding for functional proteins. Functional annotation of the transcriptome indicated the hitherto unknown role of gip2 in stimulating the expression of oncogenic/growth-promoting genes such as KDR/VEGFR2, CCL20, and VIP. The array results were further validated in a panel of High-Grade Serous Ovarian Carcinoma (HGSOC) cell lines that included Kuramochi, OVCAR3, and OVCAR8 cells. Gene set enrichment analyses using DAVID, STRING, and Cytoscape applications indicated the potential role of the gip2-stimulated transcriptomic network involved in the upregulation of cell proliferation, adhesion, migration, cellular metabolism, and therapy resistance. The results unravel a multi-modular network in which the hub and bottleneck nodes are defined by ACKR3/CXCR7, IL6, VEGFA, CYCS, COX5B, UQCRC1, UQCRFS1, and FYN. The identification of these genes as the critical nodes in GNAi2/gip2 orchestrated onco-transcriptome establishes their role in ovarian cancer pathophysiology. In addition, these results also point to these nodes as potential targets for novel therapeutic strategies.
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13
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Santagata S, Ieranò C, Trotta AM, Capiluongo A, Auletta F, Guardascione G, Scala S. CXCR4 and CXCR7 Signaling Pathways: A Focus on the Cross-Talk Between Cancer Cells and Tumor Microenvironment. Front Oncol 2021; 11:591386. [PMID: 33937018 PMCID: PMC8082172 DOI: 10.3389/fonc.2021.591386] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 03/25/2021] [Indexed: 12/14/2022] Open
Abstract
The chemokine receptor 4 (CXCR4) and 7 (CXCR7) are G-protein-coupled receptors (GPCRs) activated through their shared ligand CXCL12 in multiple human cancers. They play a key role in the tumor/tumor microenvironment (TME) promoting tumor progression, targeting cell proliferation and migration, while orchestrating the recruitment of immune and stromal cells within the TME. CXCL12 excludes T cells from TME through a concentration gradient that inhibits immunoactive cells access and promotes tumor vascularization. Thus, dual CXCR4/CXCR7 inhibition will target different cancer components. CXCR4/CXCR7 antagonism should prevent the development of metastases by interfering with tumor cell growth, migration and chemotaxis and favoring the frequency of T cells in TME. Herein, we discuss the current understanding on the role of CXCL12/CXCR4/CXCR7 cross-talk in tumor progression and immune cells recruitment providing support for a combined CXCR4/CXCR7 targeting therapy. In addition, we consider emerging approaches that coordinately target both immune checkpoints and CXCL12/CXCR4/CXCR7 axis.
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Affiliation(s)
- Sara Santagata
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
| | - Caterina Ieranò
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
| | - Anna Maria Trotta
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
| | - Anna Capiluongo
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
| | - Federica Auletta
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
| | - Giuseppe Guardascione
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
| | - Stefania Scala
- Research Department, Microenvironment Molecular Targets, Istituto Nazionale Tumori-IRCCS-Fondazione "G. Pascale", Napoli, Italy
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14
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Differential Involvement of ACKR3 C-Tail in β-Arrestin Recruitment, Trafficking and Internalization. Cells 2021; 10:cells10030618. [PMID: 33799570 PMCID: PMC8002179 DOI: 10.3390/cells10030618] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 12/12/2022] Open
Abstract
Background: The atypical chemokine receptor 3 (ACKR3) belongs to the superfamily of G protein-coupled receptors (GPCRs). Unlike classical GPCRs, this receptor does not activate G proteins in most cell types but recruits β-arrestins upon activation. ACKR3 plays an important role in cancer and vascular diseases. As recruitment of β-arrestins is triggered by phosphorylation of the C-terminal tail of GPCRs, we studied the role of different potential phosphorylation sites within the ACKR3 C-tail to further delineate the molecular mechanism of internalization and trafficking of this GPCR. Methods: We used various bioluminescence and fluorescence resonance energy transfer-based sensors and techniques in Human Embryonic Kidney (HEK) 293T cells expressing WT or phosphorylation site mutants of ACKR3 to measure CXCL12-induced recruitment of β-arrestins and G-protein-coupled receptor kinases (GRKs), receptor internalization and trafficking. Results: Upon CXCL12 stimulation, ACKR3 recruits both β-arrestin 1 and 2 with equivalent kinetic profiles. We identified interactions with GRK2, 3 and 5, with GRK2 and 3 being important for β-arrestin recruitment. Upon activation, ACKR3 internalizes and recycles back to the cell membrane. We demonstrate that β-arrestin recruitment to the receptor is mainly determined by a single cluster of phosphorylated residues on the C-tail of ACKR3, and that residue T352 and in part S355 are important residues for β-arrestin1 recruitment. Phosphorylation of the C-tail appears essential for ligand-induced internalization and important for differential β-arrestin recruitment. GRK2 and 3 play a key role in receptor internalization. Moreover, ACKR3 can still internalize when β-arrestin recruitment is impaired or in the absence of β-arrestins, using alternative internalization pathways. Our data indicate that distinct residues within the C-tail of ACKR3 differentially regulate CXCL12-induced β-arrestin recruitment, ACKR3 trafficking and internalization.
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15
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Cancer-Associated Stemness and Epithelial-to-Mesenchymal Transition Signatures Related to Breast Invasive Carcinoma Prognostic. Cancers (Basel) 2020; 12:cancers12103053. [PMID: 33092068 PMCID: PMC7589570 DOI: 10.3390/cancers12103053] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/12/2020] [Accepted: 10/16/2020] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Breast cancer is one of the most common oncological diseases in women, as its incidence is rapidly growing. In this study, we have investigated the mechanism of epithelial-to-mesenchymal transition (EMT) and cancer stem cells (CSCs), demonstrating presence of an interconnectedness between them. This interconnectedness plays important roles in patient prognostic, as well as in diagnostic and therapeutic targets. It is identified that there is a common signature between CSCs and EMT, and this is represented by ALDH1A1, SFRP1, miR-139, miR-21, and miR-200c. This finding will provide a better understanding of this mechanism, and will facilitate the development of novel treatment options. Abstract Breast cancer is one of the most common oncological diseases in women, as its incidence is rapidly growing, rendering it unpredictable and causing more harm than ever before on an annual basis. Alterations of coding and noncoding genes are related to tumorigenesis and breast cancer progression. In this study, several key genes associated with epithelial-to-mesenchymal transition (EMT) and cancer stem cell (CSC) features were identified. EMT and CSCs are two key mechanisms responsible for self-renewal, differentiation, and self-protection, thus contributing to drug resistance. Therefore, understanding of the relationship between these processes may identify a therapeutic vulnerability that can be further exploited in clinical practice, and evaluate its correlation with overall survival rate. To determine expression levels of altered coding and noncoding genes, The Cancer Omics Atlas (TCOA) are used, and these data are overlapped with a list of CSCs and EMT-specific genes downloaded from NCBI. As a result, it is observed that CSCs are reciprocally related to EMT, thus identifying common signatures that allow for predicting the overall survival for breast cancer genes (BRCA). In fact, common CSCs and EMT signatures, represented by ALDH1A1, SFRP1, miR-139, miR-21, and miR-200c, are deemed useful as prognostic biomarkers for BRCA. Therefore, by mapping changes in gene expression across CSCs and EMT, suggesting a cross-talk between these two processes, we have been able to identify either the most common or specific genes or miRNA markers associated with overall survival rate. Thus, a better understanding of these mechanisms will lead to more effective treatment options.
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16
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Manini I, Caponnetto F, Dalla E, Ius T, Pepa GMD, Pegolo E, Bartolini A, Rocca GL, Menna G, Loreto CD, Olivi A, Skrap M, Sabatino G, Cesselli D. Heterogeneity Matters: Different Regions of Glioblastoma Are Characterized by Distinctive Tumor-Supporting Pathways. Cancers (Basel) 2020; 12:cancers12102960. [PMID: 33066172 PMCID: PMC7601979 DOI: 10.3390/cancers12102960] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 12/22/2022] Open
Abstract
Simple Summary 5-ALA Fluorescence Guided Surgery aims at extending the boundaries of glioblastoma (GBM) resection. It is based on the use of a fluorescent dye, 5-aminolevulinic acid (5-ALA). Depending on the fluorescence levels, it is possible to distinguish the core of the tumor, the infiltrating borders and the healthy tissue. Since GBM progression is supported by tumor cells and their interaction with the surrounding microenvironment, we hypothesized that 5-ALA intensity could identify microenvironments with different tumor supporting properties. Taking advantage of glioma-associated stem cells; a human in vitro model of the glioma microenvironment, we demonstrate that all regions of the tumor support the tumor growth, but through different pathways. This study highlights the importance of understanding the TME to obtain key information on GBM biology and develop new therapeutic approaches. Abstract The glioblastoma microenvironment plays a substantial role in glioma biology. However, few studies have investigated its spatial heterogeneity. Exploiting 5-ALA Fluorescence Guided Surgery (FGS), we were able to distinguish between the tumor core (ALA+), infiltrating area (ALA-PALE) and healthy tissue (ALA−) of the glioblastoma, based on the level of accumulated fluorescence. The aim of this study was to investigate the properties of the microenvironments associated with these regions. For this purpose, we isolated glioma-associated stem cells (GASC), resident in the glioma microenvironment, from ALA+, ALA-PALE and ALA− samples and compared them in terms of growth kinetic, phenotype and for the expression of 84 genes associated with cancer inflammation and immunity. Differentially expressed genes were correlated with transcriptomic datasets from TCGA/GTEX. Our results show that GASC derived from the three distinct regions, despite a similar phenotype, were characterized by different transcriptomic profiles. Moreover, we identified a GASC-based genetic signature predictive of overall survival and disease-free survival. This signature, highly expressed in ALA+ GASC, was also well represented in ALA PALE GASC. 5-ALA FGS allowed to underline the heterogeneity of the glioma microenvironments. Deepening knowledge of these differences can contribute to develop new adjuvant therapies targeting the crosstalk between tumor and its supporting microenvironment.
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Affiliation(s)
- Ivana Manini
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy; (E.P.); (A.B.); (C.D.L.); (D.C.)
- Correspondence:
| | - Federica Caponnetto
- Department of Medicine, University of Udine, 33100 Udine, Italy; (F.C.); (E.D.)
| | - Emiliano Dalla
- Department of Medicine, University of Udine, 33100 Udine, Italy; (F.C.); (E.D.)
| | - Tamara Ius
- Neurosurgery Unit, Department of Neurosciences, University Hospital of Udine, 33100 Udine, Italy; (T.I.); (M.S.)
| | - Giuseppe Maria Della Pepa
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, 00168 Rome, Italy; (G.M.D.P.); (G.L.R.); (G.M.); (A.O.); (G.S.)
| | - Enrico Pegolo
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy; (E.P.); (A.B.); (C.D.L.); (D.C.)
| | - Anna Bartolini
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy; (E.P.); (A.B.); (C.D.L.); (D.C.)
| | - Giuseppe La Rocca
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, 00168 Rome, Italy; (G.M.D.P.); (G.L.R.); (G.M.); (A.O.); (G.S.)
- Department of Neurosurgery, Mater Olbia Hospital, 07026 Olbia, Italy
| | - Grazia Menna
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, 00168 Rome, Italy; (G.M.D.P.); (G.L.R.); (G.M.); (A.O.); (G.S.)
| | - Carla Di Loreto
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy; (E.P.); (A.B.); (C.D.L.); (D.C.)
- Department of Medicine, University of Udine, 33100 Udine, Italy; (F.C.); (E.D.)
| | - Alessandro Olivi
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, 00168 Rome, Italy; (G.M.D.P.); (G.L.R.); (G.M.); (A.O.); (G.S.)
| | - Miran Skrap
- Neurosurgery Unit, Department of Neurosciences, University Hospital of Udine, 33100 Udine, Italy; (T.I.); (M.S.)
| | - Giovanni Sabatino
- Institute of Neurosurgery, Fondazione Policlinico Gemelli, Catholic University, 00168 Rome, Italy; (G.M.D.P.); (G.L.R.); (G.M.); (A.O.); (G.S.)
- Department of Neurosurgery, Mater Olbia Hospital, 07026 Olbia, Italy
| | - Daniela Cesselli
- Institute of Pathology, University Hospital of Udine, 33100 Udine, Italy; (E.P.); (A.B.); (C.D.L.); (D.C.)
- Department of Medicine, University of Udine, 33100 Udine, Italy; (F.C.); (E.D.)
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17
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Fumagalli A, Heuninck J, Pizzoccaro A, Moutin E, Koenen J, Séveno M, Durroux T, Junier MP, Schlecht-Louf G, Bachelerie F, Schütz D, Stumm R, Smit MJ, Guérineau NC, Chaumont-Dubel S, Marin P. The atypical chemokine receptor 3 interacts with Connexin 43 inhibiting astrocytic gap junctional intercellular communication. Nat Commun 2020; 11:4855. [PMID: 32978390 PMCID: PMC7519114 DOI: 10.1038/s41467-020-18634-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 09/02/2020] [Indexed: 12/12/2022] Open
Abstract
The atypical chemokine receptor 3 (ACKR3) plays a pivotal role in directing the migration of various cellular populations and its over-expression in tumors promotes cell proliferation and invasiveness. The intracellular signaling pathways transducing ACKR3-dependent effects remain poorly characterized, an issue we addressed by identifying the interactome of ACKR3. Here, we report that recombinant ACKR3 expressed in HEK293T cells recruits the gap junction protein Connexin 43 (Cx43). Cx43 and ACKR3 are co-expressed in mouse brain astrocytes and human glioblastoma cells and form a complex in embryonic mouse brain. Functional in vitro studies show enhanced ACKR3 interaction with Cx43 upon ACKR3 agonist stimulation. Furthermore, ACKR3 activation promotes β-arrestin2- and dynamin-dependent Cx43 internalization to inhibit gap junctional intercellular communication in primary astrocytes. These results demonstrate a functional link between ACKR3 and gap junctions that might be of pathophysiological relevance. The atypical chemokine receptor 3 (ACKR3) is known to regulate cell migration, but the underlying mechanisms are unclear. Here, the authors show, from an interactome analysis, ACKR3 association with the gap junction protein Connexin 43 in vivo and ACKR3-mediated inhibition of astrocyte gap junctional communication.
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Affiliation(s)
- Amos Fumagalli
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Joyce Heuninck
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Anne Pizzoccaro
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Enora Moutin
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Joyce Koenen
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140, Clamart, France.,Amsterdam Institute for Molecules Medicines and Systems, Division of Medicinal Chemistry, Faculty of Sciences, VU University Amsterdam, 1081, HV, Amsterdam, The Netherlands
| | - Martial Séveno
- Biocampus Montpellier, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Thierry Durroux
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Marie-Pierre Junier
- CNRS UMR8246, Inserm U1130, Neuroscience Paris Seine-IBPS, Sorbonne Universités, Paris, France
| | - Géraldine Schlecht-Louf
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140, Clamart, France
| | - Francoise Bachelerie
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140, Clamart, France
| | - Dagmar Schütz
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747, Jena, Germany
| | - Ralf Stumm
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747, Jena, Germany
| | - Martine J Smit
- Amsterdam Institute for Molecules Medicines and Systems, Division of Medicinal Chemistry, Faculty of Sciences, VU University Amsterdam, 1081, HV, Amsterdam, The Netherlands
| | - Nathalie C Guérineau
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Séverine Chaumont-Dubel
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Philippe Marin
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France.
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18
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Smit MJ, Schlecht-Louf G, Neves M, van den Bor J, Penela P, Siderius M, Bachelerie F, Mayor F. The CXCL12/CXCR4/ACKR3 Axis in the Tumor Microenvironment: Signaling, Crosstalk, and Therapeutic Targeting. Annu Rev Pharmacol Toxicol 2020; 61:541-563. [PMID: 32956018 DOI: 10.1146/annurev-pharmtox-010919-023340] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Elevated expression of the chemokine receptors CXCR4 and ACKR3 and of their cognate ligand CXCL12 is detected in a wide range of tumors and the tumor microenvironment (TME). Yet, the molecular mechanisms by which the CXCL12/CXCR4/ACKR3 axis contributes to the pathogenesis are complex and not fully understood. To dissect the role of this axis in cancer, we discuss its ability to impinge on canonical and less conventional signaling networks in different cancer cell types; its bidirectional crosstalk, notably with receptor tyrosine kinase (RTK) and other factors present in the TME; and the infiltration of immune cells that supporttumor progression. We discuss current and emerging avenues that target the CXCL12/CXCR4/ACKR3 axis. Coordinately targeting both RTKs and CXCR4/ACKR3 and/or CXCL12 is an attractive approach to consider in multitargeted cancer therapies. In addition, inhibiting infiltrating immune cells or reactivating the immune system along with modulating the CXCL12/CXCR4/ACKR3 axis in the TME has therapeutic promise.
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Affiliation(s)
- Martine J Smit
- Department of Medicinal Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, Netherlands;
| | - Géraldine Schlecht-Louf
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140 Clamart, France
| | - Maria Neves
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140 Clamart, France.,Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
| | - Jelle van den Bor
- Department of Medicinal Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, Netherlands;
| | - Petronila Penela
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
| | - Marco Siderius
- Department of Medicinal Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit Amsterdam, 1081 HZ Amsterdam, Netherlands;
| | - Françoise Bachelerie
- Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, 92140 Clamart, France
| | - Federico Mayor
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
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19
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Neves M, Perpiñá-Viciano C, Penela P, Hoffmann C, Mayor F. Modulation of CXCR4-Mediated Gi1 Activation by EGF Receptor and GRK2. ACS Pharmacol Transl Sci 2020; 3:627-634. [PMID: 33073183 PMCID: PMC7553016 DOI: 10.1021/acsptsci.0c00021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Indexed: 12/14/2022]
Abstract
![]()
The CXCL12 chemokine
receptor CXCR4 belongs to the GPCR superfamily
and is often overexpressed in cancer, being involved in tumor progression
and metastasis. How CXCR4 signaling integrates with other relevant
oncogenic transduction pathways and the role of GPCR regulatory mechanisms
in such contexts are not well-understood. Recent data indicate concurrent
upregulation in certain tumors of CXCR4, EGF receptor (EGFR), and
G protein-coupled receptor kinase 2 (GRK2), a signaling node functionally
linked to both receptor types. We have investigated in a model system
the effect of the EGFR and GRK2 status on CXCL12/CXCR4-mediated activation
of Gi, the earliest step downstream of receptor activation. We find
that overexpressed and activated EGFR reduces CXCR4-mediated Gi1 activation
and that GRK2 phosphorylation at tyrosine residues is required to
exert its inhibitory actions on CXCR4–Gi stimulation, suggesting
a shared path of modulation. Our data point to a role for GRK2 in
the crosstalk of the CXCR4 and EGFR signal transduction pathways in
pathological contexts characterized by concurrent overactivation of
these proteins.
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Affiliation(s)
- Maria Neves
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), Universidad Autonoma de Madrid, C/Nicolás Cabrera 1, 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain
| | - Cristina Perpiñá-Viciano
- Institute of Pharmacology and Toxicology, University of Würzburg, Versbacher Str. 9, 97078 Würzburg, Germany.,Institute for Molecular Cell Biology, CMB-Center for Molecular Biomedicine, University Hospital Jena, Friedrich-Schiller University Jena, Hans-Knöll-Strasse 2, 07745 Jena, Germany
| | - Petronila Penela
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), Universidad Autonoma de Madrid, C/Nicolás Cabrera 1, 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
| | - Carsten Hoffmann
- Institute of Pharmacology and Toxicology, University of Würzburg, Versbacher Str. 9, 97078 Würzburg, Germany.,Institute for Molecular Cell Biology, CMB-Center for Molecular Biomedicine, University Hospital Jena, Friedrich-Schiller University Jena, Hans-Knöll-Strasse 2, 07745 Jena, Germany
| | - Federico Mayor
- Departamento de Biología Molecular and Centro de Biología Molecular Severo Ochoa (CSIC/UAM), Universidad Autonoma de Madrid, C/Nicolás Cabrera 1, 28049 Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, 28006 Madrid, Spain.,CIBER de Enfermedades Cardiovasculares (CIBERCV), Instituto de Salud Carlos III (ISCIII), 28029 Madrid, Spain
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20
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Zhu S, Min Z, Qiao X, Chen S, Yang J, Zhang X, Liu X, Ran W, Lv R, Lin Y, Wang J. Expression profile-based screening for critical genes reveals S100A4, ACKR3 and CDH1 in docetaxel-resistant prostate cancer cells. Aging (Albany NY) 2019; 11:12754-12772. [PMID: 31895690 PMCID: PMC6949054 DOI: 10.18632/aging.102600] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 12/02/2019] [Indexed: 12/18/2022]
Abstract
Docetaxel is a first-line anticancer drug widely used in the treatment of advanced prostate cancer. However, its therapeutic efficacy is limited by its side effects and the development of chemoresistance by the tumor. Using a gene differential expression microarray, we identified 449 genes differentially expressed in docetaxel-resistant DU145 and PC3 cell lines as compared to docetaxel-sensitive controls. Moreover, western blotting and immunohistochemistry revealed altered expression of S100A4, ACKR3 and CDH1in clinical tumor samples. Cytoscape software was used to investigate the relationship between critical proteins and their signaling transduction networks. Functional and pathway enrichment analyses revealed that these signaling pathways were closely related to cellular proliferation, cell adhesion, cell migration and metastasis. In addition, ACKR3 knockout using the crispr/cas9 method andS100A4knockdownusing targeted shRNA exerted additive effects suppressing cancer cell proliferation and migration. This exploratory analysis provides information about potential candidate genes. It also provides new insight into the molecular mechanism underlying docetaxel-resistance in androgen-independent prostate cancer and highlights potential targets to improve therapeutic outcomes.
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Affiliation(s)
- Sha Zhu
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China.,Collaborative Innovation Center of Cancer Chemoprevention, School of Physics and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Zhixue Min
- The Third People's Hospital of Zhengzhou, Zhengzhou 450000, P.R. China
| | - Xianli Qiao
- Collaborative Innovation Center of Cancer Chemoprevention, School of Physics and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Shengxian Chen
- Collaborative Innovation Center of Cancer Chemoprevention, School of Physics and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jian Yang
- School of Medicine, Shanghai Jiao Tong University, Shanghai 20040, P.R. China
| | - Xiao Zhang
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Xigang Liu
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Weijie Ran
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Renguang Lv
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Ying Lin
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jin Wang
- Key laboratory of Tumor Immunology, Center of Infection and Immunization, Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou 450001, P. R. China
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21
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Smit MJ, van Muijlwijk-Koezen JE. From Insight to Modulation of CXCR4 and ACKR3 (CXCR7) Function. Mol Pharmacol 2019; 96:735-736. [PMID: 31624136 DOI: 10.1124/mol.119.118364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 12/11/2022] Open
Abstract
Chemokine receptors CXCR4 and atypical chemokine receptor 3 (ACKR3/CXCR7) are highly expressed in a range of tumors. Yet, their role in cancer progression is not well understood. This minireview series encompasses seven comprehensive reviews focusing on modulators (small molecules, pepducins, antibodies), structural aspects, spatio-temporal signaling properties, and phosphorylation/interactome of CXCR4 and ACKR3. Moreover, different (patho)physiologic aspects and roles of these receptors in immunologic and oncogenic processes are discussed. SIGNIFICANCE STATEMENT: CXCR4 and atypical chemokine receptor 3 are two oncogenic G protein-coupled receptors that are highly upregulated in various tumors. Insight into the signalling properties of these receptors and the availability of modulators targeting these receptors are essential to assess their role in cancer.
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Affiliation(s)
- Martine J Smit
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Jacqueline E van Muijlwijk-Koezen
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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22
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Adlere I, Caspar B, Arimont M, Dekkers S, Visser K, Stuijt J, de Graaf C, Stocks M, Kellam B, Briddon S, Wijtmans M, de Esch I, Hill S, Leurs R. Modulators of CXCR4 and CXCR7/ACKR3 Function. Mol Pharmacol 2019; 96:737-752. [DOI: 10.1124/mol.119.117663] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 09/14/2019] [Indexed: 02/06/2023] Open
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23
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Arimont M, Hoffmann C, de Graaf C, Leurs R. Chemokine Receptor Crystal Structures: What Can Be Learned from Them? Mol Pharmacol 2019; 96:765-777. [PMID: 31266800 DOI: 10.1124/mol.119.117168] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 06/21/2019] [Indexed: 12/18/2022] Open
Abstract
Chemokine receptors belong to the class A of G protein-coupled receptors (GPCRs) and are implicated in a wide variety of physiologic functions, mostly related to the homeostasis of the immune system. Chemokine receptors are also involved in multiple pathologic processes, including immune and autoimmune diseases, as well as cancer. Hence, several members of this GPCR subfamily are considered to be very relevant therapeutic targets. Since drug discovery efforts can be significantly reinforced by the availability of crystal structures, substantial efforts in the area of chemokine receptor structural biology could dramatically increase the outcome of drug discovery campaigns. This short review summarizes the available data on chemokine receptor crystal structures, discusses the numerous applications from chemokine receptor structures that can enhance the daily work of molecular pharmacologists, and describes the challenges and pitfalls to consider when relying on crystal structures for further research applications. SIGNIFICANCE STATEMENT: This short review summarizes the available data on chemokine receptor crystal structures, discusses the numerous applications from chemokine receptor structures that can enhance the daily work of molecular pharmacologists, and describes the challenges and pitfalls to consider when relying on crystal structures for further research applications.
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Affiliation(s)
- Marta Arimont
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (M.A., R.L.); Institute for Molecular Cell Biology, Centre for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University, Jena, Germany (C.H.); and Sosei Heptares, Great Abington, Cambridge, United Kingdom (C.d.G.)
| | - Carsten Hoffmann
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (M.A., R.L.); Institute for Molecular Cell Biology, Centre for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University, Jena, Germany (C.H.); and Sosei Heptares, Great Abington, Cambridge, United Kingdom (C.d.G.)
| | - Chris de Graaf
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (M.A., R.L.); Institute for Molecular Cell Biology, Centre for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University, Jena, Germany (C.H.); and Sosei Heptares, Great Abington, Cambridge, United Kingdom (C.d.G.)
| | - Rob Leurs
- Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (M.A., R.L.); Institute for Molecular Cell Biology, Centre for Molecular Biomedicine, University Hospital Jena, Friedrich Schiller University, Jena, Germany (C.H.); and Sosei Heptares, Great Abington, Cambridge, United Kingdom (C.d.G.)
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24
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Koenen J, Bachelerie F, Balabanian K, Schlecht-Louf G, Gallego C. Atypical Chemokine Receptor 3 (ACKR3): A Comprehensive Overview of its Expression and Potential Roles in the Immune System. Mol Pharmacol 2019; 96:809-818. [PMID: 31040166 DOI: 10.1124/mol.118.115329] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 04/24/2019] [Indexed: 12/24/2022] Open
Abstract
Atypical chemokine receptor 3 (ACKR3), previously known as C-X-C chemokine receptor type 7 (CXCR7), has emerged as a key player in several biologic processes, particularly during development. Its CXCL11 and CXCL12 scavenging activity and atypical signaling properties, together with a new array of other nonchemokine ligands, have established ACKR3 as a main regulator of physiologic processes at steady state and during inflammation. Here, we present a comprehensive review of ACKR3 expression in mammalian tissues in search of a possible connection with the receptor function. Besides the reported roles of ACKR3 during development, we discuss the potential contribution of ACKR3 to the function of the immune system, focusing on the myeloid lineage.
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Affiliation(s)
- Joyce Koenen
- INSERM UMR996-Inflammation, Chemokines and Immunopathology, Université Paris-Sud and Université Paris-Saclay, Clamart, France (J.K., F.B., K.B., G.S.-L., C.G.) and Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (J.K.)
| | - Françoise Bachelerie
- INSERM UMR996-Inflammation, Chemokines and Immunopathology, Université Paris-Sud and Université Paris-Saclay, Clamart, France (J.K., F.B., K.B., G.S.-L., C.G.) and Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (J.K.)
| | - Karl Balabanian
- INSERM UMR996-Inflammation, Chemokines and Immunopathology, Université Paris-Sud and Université Paris-Saclay, Clamart, France (J.K., F.B., K.B., G.S.-L., C.G.) and Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (J.K.)
| | - Géraldine Schlecht-Louf
- INSERM UMR996-Inflammation, Chemokines and Immunopathology, Université Paris-Sud and Université Paris-Saclay, Clamart, France (J.K., F.B., K.B., G.S.-L., C.G.) and Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (J.K.)
| | - Carmen Gallego
- INSERM UMR996-Inflammation, Chemokines and Immunopathology, Université Paris-Sud and Université Paris-Saclay, Clamart, France (J.K., F.B., K.B., G.S.-L., C.G.) and Division of Medicinal Chemistry, Amsterdam Institute for Molecules, Medicines and Systems (AIMMS), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands (J.K.)
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