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Lyu X, Liu X, Gong H, Liu Y, Zhou Z, Hu M, Zhang X. Serum Sema7A is increased in patients with acute aortic dissection. Expert Rev Mol Diagn 2023; 23:1027-1035. [PMID: 37698489 DOI: 10.1080/14737159.2023.2254693] [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: 06/05/2023] [Accepted: 08/24/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND To observe the level of serum Sema7A in acute aortic dissection (AAD) and its diagnostic value for AAD. RESEARCH DESIGN AND METHODS Patients with sudden chest pain including AAD, acute myocardial infarction (AMI) or pulmonary embolism (PE) were enrolled. Patients without chest pain or cardiovascular diseases were included as the controls. Serum Sema7A and plasma D-dimer were detected and compared in each group. RESULTS 85 AAD patients, 55 AMI patients, 15 PE patients, and 30 controls were enrolled. The concentration of Serum Sema7A in the AAD group was significantly higher than that in the control, AMI and PE group. Serum Sema7A was positively correlated with D-dimer. In AAD patients who underwent invasive intervention therapy, serum Sema7A levels were significantly decreased after the intervention. Serum Sema7A was an independent risk factor for the presence of AAD. The areas under the ROC curve of Sema7A and D-dimer for differential diagnosis of AAD from other chest pain disorders were 0.842 (0.776, 0.909) and 0.788 (0.714, 0.862), respectively. CONCLUSIONS Sema7A is highly expressed in patients with AAD. Sema7A might be a valuable biomarker for the early diagnosis of AAD and has the potential to differentiate AAD from AMI and PE.
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Affiliation(s)
- Xing Lyu
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xin Liu
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hui Gong
- Department of Geriatrics, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Medical Research Center for Geriatric Syndrome, Changsha, Hunan, China
| | - Yang Liu
- Department of Geriatrics, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhifang Zhou
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Min Hu
- Department of Clinical Laboratory Medicine, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiangyu Zhang
- Department of Geriatrics, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Medical Research Center for Geriatric Syndrome, Changsha, Hunan, China
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2
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Tang L, Liu C, Rosenberger P. Platelet formation and activation are influenced by neuronal guidance proteins. Front Immunol 2023; 14:1206906. [PMID: 37398659 PMCID: PMC10310924 DOI: 10.3389/fimmu.2023.1206906] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 06/05/2023] [Indexed: 07/04/2023] Open
Abstract
Platelets are anucleate blood cells derived from megakaryocytes. They link the fundamental functions of hemostasis, inflammation and host defense. They undergo intracellular calcium flux, negatively charged phospholipid translocation, granule release and shape change to adhere to collagen, fibrin and each other, forming aggregates, which are key to several of their functions. In all these dynamic processes, the cytoskeleton plays a crucial role. Neuronal guidance proteins (NGPs) form attractive and repulsive signals to drive neuronal axon navigation and thus refine neuronal circuits. By binding to their target receptors, NGPs rearrange the cytoskeleton to mediate neuron motility. In recent decades, evidence has indicated that NGPs perform important immunomodulatory functions and influence platelet function. In this review, we highlight the roles of NGPs in platelet formation and activation.
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Li X, Xie W, Pan Q, Zhang X, Zhang L, Zhao N, Xie Q, Ding J, Chai J. Semaphorin 7A interacts with nuclear factor NF-kappa-B p105 via integrin β1 and mediates inflammation. Cell Commun Signal 2023; 21:24. [PMID: 36717921 PMCID: PMC9885601 DOI: 10.1186/s12964-022-01024-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/22/2022] [Indexed: 02/01/2023] Open
Abstract
Semaphorin7a (SEMA7A), a membrane-anchored member of the semaphorin protein family, could be involved in a diverse range of immune responses via its receptor integrin β1. Recently, we reported that the SEMA7AR148W mutation (a gain-of-function mutation, Sema7aR145W in mice) is a risk factor for progressive familial intrahepatic cholestasis and nonalcoholic fatty liver disease via upregulated membrane localization. In this study, we demonstrated that integrin β1 is a membrane receptor for nuclear factor NF-kappa-B p105 (NF-κB p105) and a critical mediator of inflammation. Integrin β1 could interact with the C-terminal domain of NF-κB p105 to promote p50 generation and stimulate the NF-κB p50/p65 signalling pathway, upregulate TNF-α and IL-1β levels, and subsequently render hepatocytes more susceptible to inflammation. The induction of integrin β1 depends on elevated Sema7a membrane localization. Moreover, we revealed elevated levels of Sema7aWT (SEMA7AWT) in hepatocellular carcinoma (HCC) patients and an HCC mouse model. In line with our findings, the NF-κB p50/p65 pathway could also be activated by high Sema7a expression and repressed by integrin β1 silencing. In conclusion, our findings suggest that the Sema7aR145W (SEMA7AR148W) mutation and high Sema7aWT (SEMA7AWT) expression both activate the NF-κB p50/p65 pathway via integrin β1 and play a crucial role in inflammatory responses. Video Abstract.
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Affiliation(s)
- Xuan Li
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Wanlu Xie
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Qiong Pan
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Xiaoxun Zhang
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Liangjun Zhang
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Nan Zhao
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Qiaoling Xie
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Jingjing Ding
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
| | - Jin Chai
- grid.410570.70000 0004 1760 6682Department of Gastroenterology, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Institute of Digestive Diseases of PLA, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Cholestatic Liver Diseases Center, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China ,grid.410570.70000 0004 1760 6682Center for Metabolic Associated Fatty Liver Disease, The First Affiliated Hospital (Southwest Hospital) to Third Military Medical University (Army Medical University), Chongqing, 400038 China
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Ramos EK, Tsai CF, Jia Y, Cao Y, Manu M, Taftaf R, Hoffmann AD, El-Shennawy L, Gritsenko MA, Adorno-Cruz V, Schuster EJ, Scholten D, Patel D, Liu X, Patel P, Wray B, Zhang Y, Zhang S, Moore RJ, Mathews JV, Schipma MJ, Liu T, Tokars VL, Cristofanilli M, Shi T, Shen Y, Dashzeveg NK, Liu H. Machine learning-assisted elucidation of CD81-CD44 interactions in promoting cancer stemness and extracellular vesicle integrity. eLife 2022; 11:e82669. [PMID: 36193887 PMCID: PMC9581534 DOI: 10.7554/elife.82669] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 08/26/2022] [Indexed: 11/30/2022] Open
Abstract
Tumor-initiating cells with reprogramming plasticity or stem-progenitor cell properties (stemness) are thought to be essential for cancer development and metastatic regeneration in many cancers; however, elucidation of the underlying molecular network and pathways remains demanding. Combining machine learning and experimental investigation, here we report CD81, a tetraspanin transmembrane protein known to be enriched in extracellular vesicles (EVs), as a newly identified driver of breast cancer stemness and metastasis. Using protein structure modeling and interface prediction-guided mutagenesis, we demonstrate that membrane CD81 interacts with CD44 through their extracellular regions in promoting tumor cell cluster formation and lung metastasis of triple negative breast cancer (TNBC) in human and mouse models. In-depth global and phosphoproteomic analyses of tumor cells deficient with CD81 or CD44 unveils endocytosis-related pathway alterations, leading to further identification of a quality-keeping role of CD44 and CD81 in EV secretion as well as in EV-associated stemness-promoting function. CD81 is coexpressed along with CD44 in human circulating tumor cells (CTCs) and enriched in clustered CTCs that promote cancer stemness and metastasis, supporting the clinical significance of CD81 in association with patient outcomes. Our study highlights machine learning as a powerful tool in facilitating the molecular understanding of new molecular targets in regulating stemness and metastasis of TNBC.
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Affiliation(s)
- Erika K Ramos
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
- Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Chia-Feng Tsai
- Biological Sciences Division, Pacific Northwest National LaboratoryWashingtonUnited States
| | - Yuzhi Jia
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
| | - Yue Cao
- Department of Electrical and Computer Engineering, TEES-AgriLife Center for Bioinformatics and Genomic Systems Engineering, Texas A&M UniversityCollege StationUnited States
| | - Megan Manu
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
| | - Rokana Taftaf
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
- Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Andrew D Hoffmann
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
| | | | - Marina A Gritsenko
- Biological Sciences Division, Pacific Northwest National LaboratoryWashingtonUnited States
| | | | - Emma J Schuster
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
- Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - David Scholten
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
- Driskill Graduate Program in Life Science, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Dhwani Patel
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
| | - Xia Liu
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
- Department of Toxicology and Cancer Biology, University of KentuckyLexingtonUnited States
| | - Priyam Patel
- Quantitative Data Science Core, Center for Genetic Medicine, Northwestern University Feinberg School of MedicineChicagoUnited States
| | - Brian Wray
- Quantitative Data Science Core, Center for Genetic Medicine, Northwestern University Feinberg School of MedicineChicagoUnited States
| | - Youbin Zhang
- Department of Medicine, Hematology/Oncology Division, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Shanshan Zhang
- Pathology Core Facility, Northwestern UniversityChicagoUnited States
| | - Ronald J Moore
- Biological Sciences Division, Pacific Northwest National LaboratoryWashingtonUnited States
| | - Jeremy V Mathews
- Pathology Core Facility, Northwestern UniversityChicagoUnited States
| | - Matthew J Schipma
- Quantitative Data Science Core, Center for Genetic Medicine, Northwestern University Feinberg School of MedicineChicagoUnited States
| | - Tao Liu
- Biological Sciences Division, Pacific Northwest National LaboratoryWashingtonUnited States
| | - Valerie L Tokars
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
| | - Massimo Cristofanilli
- Department of Medicine, Hematology/Oncology Division, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
- Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
| | - Tujin Shi
- Biological Sciences Division, Pacific Northwest National LaboratoryWashingtonUnited States
| | - Yang Shen
- Department of Electrical and Computer Engineering, TEES-AgriLife Center for Bioinformatics and Genomic Systems Engineering, Texas A&M UniversityCollege StationUnited States
| | | | - Huiping Liu
- Department of Pharmacology, Northwestern UniversityChicagoUnited States
- Department of Medicine, Hematology/Oncology Division, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
- Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern UniversityChicagoUnited States
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5
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Rutherford TR, Elder AM, Lyons TR. Anoikis resistance in mammary epithelial cells is mediated by semaphorin 7a. Cell Death Dis 2021; 12:872. [PMID: 34561423 PMCID: PMC8463677 DOI: 10.1038/s41419-021-04133-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/10/2021] [Accepted: 08/20/2021] [Indexed: 12/11/2022]
Abstract
Semaphorin-7a (SEMA7A), best known as a neuroimmune molecule, plays a diverse role in many cellular processes and pathologies. Here, we show that SEMA7A promotes anoikis resistance in cultured mammary epithelial cells through integrins and activation of pro-survival kinase AKT, which led us to investigate a role for SEMA7A during postpartum mammary gland involution-a normal developmental process where cells die by anoikis. Our results reveal that SEMA7A is expressed on live mammary epithelial cells during involution, that SEMA7A expression is primarily observed in α6-integrin expressing cells, and that luminal progenitor cells, specifically, are decreased in mammary glands of SEMA7A-/- mice during involution. We further identify a SEMA7A-α6/β1-integrin dependent mechanism of mammosphere formation and chemoresistance in mammary epithelial cells and suggest that this mechanism is relevant for recurrence in breast cancer patients.
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Affiliation(s)
- Taylor R Rutherford
- Division of Medical Oncology, Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Young Women's Breast Cancer Translational Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Cell biology, Stem cell, and Development Graduate Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Alan M Elder
- Division of Medical Oncology, Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Young Women's Breast Cancer Translational Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Cancer biology Graduate Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Traci R Lyons
- Division of Medical Oncology, Department of Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Young Women's Breast Cancer Translational Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Cell biology, Stem cell, and Development Graduate Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Cancer biology Graduate Training Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- University of Colorado Cancer Center, Aurora, CO, USA.
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6
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Abstract
Cardiovascular pathologies are often induced by inflammation. The associated changes in the inflammatory response influence vascular endothelial biology; they complicate the extent of ischaemia and reperfusion injury, direct the migration of immune competent cells and activate platelets. The initiation and progression of inflammation is regulated by the classical paradigm through the system of cytokines and chemokines. Therapeutic approaches have previously used this knowledge to control the extent of cardiovascular changes with varying degrees of success. Neuronal guidance proteins (NGPs) have emerged in recent years and have been shown to be significantly involved in the control of tissue inflammation and the mechanisms of immune cell activation. Therefore, proteins of this class might be used in the future as targets to control the extent of inflammation in the cardiovascular system. In this review, we describe the role of NGPs during cardiovascular inflammation and highlight potential therapeutic options that could be explored in the future.
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7
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Franco M, Reihani N, Dupuis L, Collec E, Billette de Villemeur T, Person M, Moussa F, Berger MG, Belmatoug N, Le Van Kim C. Semaphorin 7A: A novel marker of disease activity in Gaucher disease. Am J Hematol 2020; 95:483-491. [PMID: 31990411 DOI: 10.1002/ajh.25744] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/16/2020] [Accepted: 01/21/2020] [Indexed: 01/13/2023]
Abstract
Gaucher disease (GD) is a recessively inherited lysosomal storage disorder in which sphingolipids accumulates in the macrophages that transform into Gaucher cells. A growing body of evidence indicates that red blood cells (RBCs) represent important actors in GD pathophysiology. We previously demonstrated that altered RBC properties including increased Lyso-GL1 levels, dyserythropoiesis, and iron metabolism defect in GD patients contribute to anemia and hyperferritinemia. Since RBC defects also correlated well with markers of GD severity and were normalized under enzyme replacement therapy (ERT), the identification of molecules that are deregulated in GD RBCs represents an important issue in the search of pertinent markers of the disease. Here, we found a decreased expression of the GPI-anchored cell surface protein Semaphorin 7A (Sema7A) in RBCs from untreated GD (GD UT) patients, in parallel with increased levels of the soluble form in the plasma. Sema7A plays a role in neural guidance, atherosclerosis, and inflammatory diseases and represents a promigratory cue in physiological and pathological conditions. We showed that the decreased expression of Sema7A in RBCs correlated with their abnormal properties and with markers of GD activity. Interestingly, ERT restored the level of Sema7A to normal values both in RBCs and in plasma from GD patients. We then proposed that SemaA7A represents a simple and pertinent marker of inflammation in GD. Finally, because Sema7A is known to regulate the activity of immune cells, the increased level of soluble Sema7A in GD patients could propagate inflammation in several tissues.
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Affiliation(s)
- Mélanie Franco
- Université de Paris, UMR_S1134, BIGR, Inserm, Institut National de Transfusion Sanguine, Laboratoire dʼExcellence GR‐Ex Paris France
| | - Nelly Reihani
- Université de Paris, UMR_S1134, BIGR, Inserm, Institut National de Transfusion Sanguine, Laboratoire dʼExcellence GR‐Ex Paris France
| | - Lucie Dupuis
- Université de Paris, UMR_S1134, BIGR, Inserm, Institut National de Transfusion Sanguine, Laboratoire dʼExcellence GR‐Ex Paris France
| | - Emmanuel Collec
- Université de Paris, UMR_S1134, BIGR, Inserm, Institut National de Transfusion Sanguine, Laboratoire dʼExcellence GR‐Ex Paris France
| | | | - Marine Person
- IUT Orsay, CNRS UMR 8000, Institut de Chimie Physique Orsay France
| | - Fathi Moussa
- IUT Orsay, CNRS UMR 8000, Institut de Chimie Physique Orsay France
| | - Marc G. Berger
- Université Clermont Auvergne, EA 7453 CHELTER Clermont‐Ferrand France
- CHU Clermont‐Ferrand, Service Hématologie Biologique, Hôpital Estaing Clermont‐Ferrand France
| | - Nadia Belmatoug
- Université de Paris, AP‐HP, CRML Maladies Lysosomales, Service de Médecine Interne, Hôpital Beaujon Clichy France
| | - Caroline Le Van Kim
- Université de Paris, UMR_S1134, BIGR, Inserm, Institut National de Transfusion Sanguine, Laboratoire dʼExcellence GR‐Ex Paris France
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8
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Tarullo SE, Hill RC, Hansen KC, Behbod F, Borges VF, Nelson AC, Lyons TR. Postpartum breast cancer progression is driven by semaphorin 7a-mediated invasion and survival. Oncogene 2020; 39:2772-2785. [PMID: 32020054 PMCID: PMC7103487 DOI: 10.1038/s41388-020-1192-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/13/2020] [Accepted: 01/24/2020] [Indexed: 11/09/2022]
Abstract
Young women diagnosed with breast cancer (BC) have poor prognosis due to increased rates of metastasis. In addition, women diagnosed within 10 years of most recent childbirth are approximately three times more likely to develop metastasis than age- and stage-matched nulliparous women. We define these cases as postpartum BC (PPBC) and propose that the unique biology of the postpartum mammary gland drives tumor progression. Our published results revealed roles for SEMA7A in breast tumor cell growth, motility, invasion, and tumor-associated lymphangiogenesis, all of which are also increased in preclinical models of PPBC. However, whether SEMA7A drives progression in PPBC remains largely unexplored. Our results presented herein show that silencing of SEMA7A decreases tumor growth in a model of PPBC, while overexpression is sufficient to increase growth in nulliparous hosts. Further, we show that SEMA7A promotes multiple known drivers of PPBC progression including tumor-associated COX-2 expression and fibroblast-mediated collagen deposition in the tumor microenvironment. In addition, we show for the first time that SEMA7A-expressing cells deposit fibronectin to promote tumor cell survival. Finally, we show that co-expression of SEMA7A/COX-2/FN predicts for poor prognosis in breast cancer patient cohorts. These studies suggest SEMA7A as a key mediator of BC progression, and that targeting SEMA7A may open avenues for novel therapeutic strategies.
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Affiliation(s)
- Sarah E Tarullo
- Division of Medical Oncology, Department of Medicine, CU Anschutz Medical Campus, Aurora, CO, 80045, USA
- Young Women's BC Translational Program, CU Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Ryan C Hill
- Department of Biochemistry and Molecular Genetics, CU Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, CU Anschutz Medical Campus, Aurora, CO, 80045, USA
| | - Fariba Behbod
- Division of Cancer and Developmental Biology, University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Virginia F Borges
- Division of Medical Oncology, Department of Medicine, CU Anschutz Medical Campus, Aurora, CO, 80045, USA
- Young Women's BC Translational Program, CU Anschutz Medical Campus, Aurora, CO, 80045, USA
- University of Colorado Cancer Center, Aurora, CO, 80045, USA
| | - Andrew C Nelson
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Traci R Lyons
- Division of Medical Oncology, Department of Medicine, CU Anschutz Medical Campus, Aurora, CO, 80045, USA.
- Young Women's BC Translational Program, CU Anschutz Medical Campus, Aurora, CO, 80045, USA.
- University of Colorado Cancer Center, Aurora, CO, 80045, USA.
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9
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Guidetti GF, Torti M, Canobbio I. Focal Adhesion Kinases in Platelet Function and Thrombosis. Arterioscler Thromb Vasc Biol 2019; 39:857-868. [DOI: 10.1161/atvbaha.118.311787] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The focal adhesion kinase family includes 2 homolog members, FAK and Pyk2 (proline-rich tyrosine kinase 2), primarily known for their roles in nucleated cells as regulators of cytoskeletal dynamics and cell adhesion. FAK and Pyk2 are also expressed in megakaryocytes and platelets and are activated by soluble agonists and on adhesion to the subendothelial matrix. Despite high sequence homology and similar molecular organization, FAK and Pyk2 play different roles in platelet function. Whereas FAK serves mostly as a traditional focal adhesion kinase activated downstream of integrins, Pyk2 coordinates multiple signals from different receptors. FAK, but not Pyk2, is involved in megakaryocyte maturation and platelet production. In circulating platelets, FAK is recruited by integrin αIIbβ3 to regulate hemostasis, whereas it plays minimal roles in thrombosis. By contrast, Pyk2 is implicated in platelet activation and is an important regulator of thrombosis. The direct activation of Pyk2 by calcium ions provides a connection between GPCRs (G-protein coupled receptors) and Src family kinases. In this review, we provide the comprehensive overview of >20 years of investigations on the role and regulation of focal adhesion kinases in blood platelets, highlighting common and distinctive features of FAK and Pyk2 in hemostasis and thrombosis.
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Affiliation(s)
| | - Mauro Torti
- From the Department of Biology and Biotechnology, University of Pavia, Italy
| | - Ilaria Canobbio
- From the Department of Biology and Biotechnology, University of Pavia, Italy
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10
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Hu S, Zhu L. Semaphorins and Their Receptors: From Axonal Guidance to Atherosclerosis. Front Physiol 2018; 9:1236. [PMID: 30405423 PMCID: PMC6196129 DOI: 10.3389/fphys.2018.01236] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Accepted: 08/15/2018] [Indexed: 12/24/2022] Open
Abstract
Semaphorins are a large family of secreted, transmembrane, or GPI-anchored proteins initially identified as axon guidance cues signaling through their receptors, neuropilins, and plexins. Emerging evidence suggests that beyond the guidance, they also function in a broad spectrum of pathophysiological conditions, including atherosclerosis, a vascular inflammatory disease. Particular semaphorin members have been demonstrated to participate in atherosclerosis via eliciting endothelial dysfunction, leukocyte infiltration, monocyte-macrophage retention, platelet hyperreactivity, and neovascularization. In this review, we focus on the role of those semaphorin family members in the development of atherosclerosis and highlight the mechanistic relevance of semaphorins to atherogenesis.
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Affiliation(s)
- Shuhong Hu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Li Zhu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
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11
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Gras C, Eiz-Vesper B, Jaimes Y, Immenschuh S, Jacobs R, Witte T, Blasczyk R, Figueiredo C. Secreted Semaphorin 5A Activates Immune Effector Cells and Is a Biomarker for Rheumatoid Arthritis. Arthritis Rheumatol 2014; 66:1461-71. [DOI: 10.1002/art.38425] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Accepted: 02/11/2014] [Indexed: 01/04/2023]
Affiliation(s)
| | | | - Yarua Jaimes
- Hannover Medical School, Hannover, Germany, and Deutsches Rheuma-Forschungszentrum, Leibniz Institute; Berlin Germany
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