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Xu WT, An XB, Chen MJ, Ma J, Wang XQ, Yang JN, Wang Q, Wang DY, Wu Y, Zeng L, Qu Y, Zhao B, Ai J. A Gene Cluster of Mitochondrial Complexes Contributes to the Cognitive Decline of COVID-19 Infection. Mol Neurobiol 2024:10.1007/s12035-024-04471-3. [PMID: 39271627 DOI: 10.1007/s12035-024-04471-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 08/30/2024] [Indexed: 09/15/2024]
Abstract
"Brain fog," a persistent cognitive impairment syndrome, stands out as a significant neurological aftermath of coronavirus disease 2019 (COVID-19). Yet, the underlying mechanisms by which COVID-19 induces cognitive deficits remain elusive. In our study, we observed an upregulation in the expression of genes linked to the inflammatory response and oxidative stress, whereas genes associated with cognitive function were downregulated in the brains of patients infected with COVID-19. Through single-nucleus RNA sequencing (snRNA-seq) analysis, we found that COVID-19 infection triggers the immune responses in microglia and astrocytes and exacerbates oxidative stress in oligodendrocytes, oligodendrocyte progenitors (OPCs), and neurons. Further investigations revealed that COVID-19 infection elevates LUC7L2 expression, which inhibits mitochondrial oxidative phosphorylation (OXPHOS) and suppresses the expression of mitochondrial complex genes such as MT-ND1, MT-ND2, MT-ND3, MT-ND4L, MT-CYB, MT-CO3, and MT-ATP6. A holistic approach to protect mitochondrial complex function, rather than targeting a single molecular, should be an effective therapeutic strategy to prevent and treat the long-term consequences of "long COVID."
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Affiliation(s)
- Wen-Tao Xu
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Xiao-Bin An
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Mei-Jie Chen
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Jing Ma
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Xu-Qiao Wang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Ji-Nan Yang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Qin Wang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Dong-Yang Wang
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Yan Wu
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Lu Zeng
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Yang Qu
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China
| | - Bowen Zhao
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Jing Ai
- Department of Pharmacology, The State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, College of Pharmacy of Harbin Medical University, Heilongjiang Province, Harbin, 150086, China.
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2
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Ziveri J, Le Guennec L, Dos Santos Souza I, Barnier JP, Walter SM, Diallo Y, Smail Y, Le Seac'h E, Bouzinba-Segard H, Faure C, Morand PC, Carel I, Perriere N, Schmitt T, Izac B, Letourneur F, Coureuil M, Rattei T, Nassif X, Bourdoulous S. Angiopoietin-like 4 protects against endothelial dysfunction during bacterial sepsis. Nat Microbiol 2024; 9:2434-2447. [PMID: 39103571 DOI: 10.1038/s41564-024-01760-4] [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: 04/23/2023] [Accepted: 06/12/2024] [Indexed: 08/07/2024]
Abstract
Loss of endothelial integrity and vascular leakage are central features of sepsis pathogenesis; however, no effective therapeutic mechanisms for preserving endothelial integrity are available. Here we show that, compared to dermal microvessels, brain microvessels resist infection by Neisseria meningitidis, a bacterial pathogen that causes sepsis and meningitis. By comparing the transcriptional responses to infection in dermal and brain endothelial cells, we identified angiopoietin-like 4 as a key factor produced by the brain endothelium that preserves blood-brain barrier integrity during bacterial sepsis. Conversely, angiopoietin-like 4 is produced at lower levels in the peripheral endothelium. Treatment with recombinant angiopoietin-like 4 reduced vascular leakage, organ failure and death in mouse models of lethal sepsis and N. meningitidis infection. Protection was conferred by a previously uncharacterized domain of angiopoietin-like 4, through binding to the heparan proteoglycan, syndecan-4. These findings reveal a potential strategy to prevent endothelial dysfunction and improve outcomes in patients with sepsis.
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Affiliation(s)
- Jason Ziveri
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | - Loïc Le Guennec
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | | | - Jean-Philipe Barnier
- Institut Necker Enfants Malades, Université Paris Cité, CNRS, Inserm, Paris, France
| | - Samuel M Walter
- Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Doctoral School in Microbiology and Environmental Science, University of Vienna, Vienna, Austria
| | - Youssouf Diallo
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | - Yasmine Smail
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | - Elodie Le Seac'h
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | | | - Camille Faure
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | | | - Irié Carel
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | | | | | - Brigitte Izac
- Institut Cochin, Université Paris Cité, CNRS, Inserm, Paris, France
| | | | - Mathieu Coureuil
- Institut Necker Enfants Malades, Université Paris Cité, CNRS, Inserm, Paris, France
| | - Thomas Rattei
- Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Doctoral School in Microbiology and Environmental Science, University of Vienna, Vienna, Austria
| | - Xavier Nassif
- Institut Necker Enfants Malades, Université Paris Cité, CNRS, Inserm, Paris, France
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3
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Liu Y, Liu X, Chen X, Yang Z, Chen J, Zhu W, Li Y, Wen Y, Deng C, Gu C, Lv J, Ju R, Zhuo Y, Su W. Senolytic and senomorphic agent procyanidin C1 alleviates structural and functional decline in the aged retina. Proc Natl Acad Sci U S A 2024; 121:e2311028121. [PMID: 38657052 PMCID: PMC11067450 DOI: 10.1073/pnas.2311028121] [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: 06/30/2023] [Accepted: 03/27/2024] [Indexed: 04/26/2024] Open
Abstract
Increased cellular senescence burden contributes in part to age-related organ dysfunction and pathologies. In our study, using mouse models of natural aging, we observed structural and functional decline in the aged retina, which was accompanied by the accumulation of senescent cells and senescence-associated secretory phenotype factors. We further validated the senolytic and senomorphic properties of procyanidin C1 (PCC1) both in vitro and in vivo, the long-term treatment of which ameliorated age-related retinal impairment. Through high-throughput single-cell RNA sequencing (scRNA-seq), we comprehensively characterized the retinal landscape after PCC1 administration and deciphered the molecular basis underlying the senescence burden increment and elimination. By exploring the scRNA-seq database of age-related retinal disorders, we revealed the role of cellular senescence and the therapeutic potential of PCC1 in these pathologies. Overall, these results indicate the therapeutic effects of PCC1 on the aged retina and its potential use for treating age-related retinal disorders.
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Affiliation(s)
- Yidan Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Xiuxing Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Xuhao Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Zhenlan Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Jianqi Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Weining Zhu
- Department of Clinical Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou510060, People’s Republic of China
| | - Yangyang Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Yuwen Wen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Caibin Deng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Chenyang Gu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Jianjie Lv
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Rong Ju
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Yehong Zhuo
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
| | - Wenru Su
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou510060, People’s Republic of China
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4
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Kistenmacher S, Schwämmle M, Martin G, Ulrich E, Tholen S, Schilling O, Gießl A, Schlötzer-Schrehardt U, Bucher F, Schlunck G, Nazarenko I, Reinhard T, Polisetti N. Enrichment, Characterization, and Proteomic Profiling of Small Extracellular Vesicles Derived from Human Limbal Mesenchymal Stromal Cells and Melanocytes. Cells 2024; 13:623. [PMID: 38607062 PMCID: PMC11011788 DOI: 10.3390/cells13070623] [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: 03/11/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/13/2024] Open
Abstract
Limbal epithelial progenitor cells (LEPC) rely on their niche environment for proper functionality and self-renewal. While extracellular vesicles (EV), specifically small EVs (sEV), have been proposed to support LEPC homeostasis, data on sEV derived from limbal niche cells like limbal mesenchymal stromal cells (LMSC) remain limited, and there are no studies on sEVs from limbal melanocytes (LM). In this study, we isolated sEV from conditioned media of LMSC and LM using a combination of tangential flow filtration and size exclusion chromatography and characterized them by nanoparticle tracking analysis, transmission electron microscopy, Western blot, multiplex bead arrays, and quantitative mass spectrometry. The internalization of sEV by LEPC was studied using flow cytometry and confocal microscopy. The isolated sEVs exhibited typical EV characteristics, including cell-specific markers such as CD90 for LMSC-sEV and Melan-A for LM-sEV. Bioinformatics analysis of the proteomic data suggested a significant role of sEVs in extracellular matrix deposition, with LMSC-derived sEV containing proteins involved in collagen remodeling and cell matrix adhesion, whereas LM-sEV proteins were implicated in other cellular bioprocesses such as cellular pigmentation and development. Moreover, fluorescently labeled LMSC-sEV and LM-sEV were taken up by LEPC and localized to their perinuclear compartment. These findings provide valuable insights into the complex role of sEV from niche cells in regulating the human limbal stem cell niche.
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Affiliation(s)
- Sebastian Kistenmacher
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
| | - Melanie Schwämmle
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
- Faculty of Biology, University of Freiburg, Schaenzlestrasse 1, D–79104 Freiburg, Germany
| | - Gottfried Martin
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
| | - Eva Ulrich
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
| | - Stefan Tholen
- Institute of Surgical Pathology, Faculty of Medicine, Freiburg, Medical Center, University of Freiburg, 79085 Freiburg im Breisgau, Germany
| | - Oliver Schilling
- Institute of Surgical Pathology, Faculty of Medicine, Freiburg, Medical Center, University of Freiburg, 79085 Freiburg im Breisgau, Germany
| | - Andreas Gießl
- Department of Ophthalmology, University Hospital Erlangen, Friedrich-Alexander-University of Erlan-gen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany
| | - Ursula Schlötzer-Schrehardt
- Department of Ophthalmology, University Hospital Erlangen, Friedrich-Alexander-University of Erlan-gen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany
| | - Felicitas Bucher
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
| | - Günther Schlunck
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
| | - Irina Nazarenko
- Institute for Infection Prevention and Hospital Epidemiology, Faculty of Medicine, Medical Center, University of Freiburg, 79106 Freiburg, Germany
| | - Thomas Reinhard
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
| | - Naresh Polisetti
- Eye Center, Medical Center, Faculty of Medicine, University of Freiburg, Killianstrasse 5, 79106 Freiburg, Germany
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5
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Zhang Y, Qin W, Zhang W, Qin Y, Zhou YL. Guidelines on lung adenocarcinoma prognosis based on immuno-glycolysis-related genes. Clin Transl Oncol 2023; 25:959-975. [PMID: 36447119 PMCID: PMC10025218 DOI: 10.1007/s12094-022-03000-9] [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: 08/06/2022] [Accepted: 10/29/2022] [Indexed: 12/05/2022]
Abstract
OBJECTIVES This study developed a new model for risk assessment of immuno-glycolysis-related genes for lung adenocarcinoma (LUAD) patients to predict prognosis and immunotherapy efficacy. METHODS LUAD samples and data obtained from the Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) databases are used as training and test columns, respectively. Twenty-two (22) immuno-glycolysis-related genes were screened, the patients diagnosed with LUAD were divided into two molecular subtypes by consensus clustering of these genes. The initial prognosis model was developed using the multiple regression analysis method and Receiver Operating characteristic (ROC) analysis was used to verify its predictive potential. Gene set enrichment analysis (GSEA) showed the immune activities and pathways in different risk populations, we calculated immune checkpoints, immune escape, immune phenomena (IPS), and tumor mutation burden (TMB) based on TCGA datasets. Finally, the relationship between the model and drug sensitivity was analyzed. RESULTS Fifteen (15) key differentially expressed genes (DEGs) with prognostic value were screened and a new prognostic model was constructed. Four hundred and forty-three (443) samples were grouped into two different risk cohorts based on median model risk values. It was observed that survival rates in high-risk groups were significantly low. ROC curves were used to evaluate the model's accuracy in determining the survival time and clinical outcome of LUAD patients. Cox analysis of various clinical factors proved that the risk score has great potential as an independent prognostic factor. The results of immunological analysis can reveal the immune infiltration and the activity of related functions in different pathways in the two risk groups, and immunotherapy was more effective in low-risk patients. Most chemotherapeutic agents are more sensitive to low-risk patients, making them more likely to benefit. CONCLUSION A novel prognostic model for LUAD patients was established based on IGRG, which could more accurately predict the prognosis and an effective immunotherapy approach for patients.
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Affiliation(s)
- Yuting Zhang
- Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, Jiangsu, China
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China
| | - Wen Qin
- Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, Jiangsu, China
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China
| | - Wenhui Zhang
- Department of Thoracic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, 226001, Jiangsu, China
- Nantong Key Laboratory of Translational Medicine in Cardiothoracic Diseases, Research Institution of Translational Medicine in Cardiothoracic Diseases, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China
| | - Yi Qin
- Nursing Department, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.
| | - You Lang Zhou
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu, China.
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Emri E, Cappa O, Kelly C, Kortvely E, SanGiovanni JP, McKay BS, Bergen AA, Simpson DA, Lengyel I. Zinc Supplementation Induced Transcriptional Changes in Primary Human Retinal Pigment Epithelium: A Single-Cell RNA Sequencing Study to Understand Age-Related Macular Degeneration. Cells 2023; 12:773. [PMID: 36899910 PMCID: PMC10000409 DOI: 10.3390/cells12050773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
Zinc supplementation has been shown to be beneficial to slow the progression of age-related macular degeneration (AMD). However, the molecular mechanism underpinning this benefit is not well understood. This study used single-cell RNA sequencing to identify transcriptomic changes induced by zinc supplementation. Human primary retinal pigment epithelial (RPE) cells could mature for up to 19 weeks. After 1 or 18 weeks in culture, we supplemented the culture medium with 125 µM added zinc for one week. RPE cells developed high transepithelial electrical resistance, extensive, but variable pigmentation, and deposited sub-RPE material similar to the hallmark lesions of AMD. Unsupervised cluster analysis of the combined transcriptome of the cells isolated after 2, 9, and 19 weeks in culture showed considerable heterogeneity. Clustering based on 234 pre-selected RPE-specific genes divided the cells into two distinct clusters, we defined as more and less differentiated cells. The proportion of more differentiated cells increased with time in culture, but appreciable numbers of cells remained less differentiated even at 19 weeks. Pseudotemporal ordering identified 537 genes that could be implicated in the dynamics of RPE cell differentiation (FDR < 0.05). Zinc treatment resulted in the differential expression of 281 of these genes (FDR < 0.05). These genes were associated with several biological pathways with modulation of ID1/ID3 transcriptional regulation. Overall, zinc had a multitude of effects on the RPE transcriptome, including several genes involved in pigmentation, complement regulation, mineralization, and cholesterol metabolism processes associated with AMD.
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Affiliation(s)
- Eszter Emri
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University of Belfast, Belfast BT97BL, UK
- Section Ophthalmogenetics, Department of Human Genetics, Queen Emma Centre for Precision Medicine, Amsterdam UMC, Location AMC, 1105AZ Amsterdam, The Netherlands
| | - Oisin Cappa
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University of Belfast, Belfast BT97BL, UK
| | - Caoimhe Kelly
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University of Belfast, Belfast BT97BL, UK
| | - Elod Kortvely
- Immunology, Infectious Diseases and Ophthalmology (I2O) Discovery and Translational Area, Roche Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., 4070 Basel, Switzerland
| | - John Paul SanGiovanni
- Biosciences Research Laboratories, BIO5 Institute, University of Arizona, 1230 North Cherry Avenue, Tucson, AZ 85724, USA
| | - Brian S. McKay
- Department of Ophthalmology and Vision Science, University of Arizona, 1656 E. Mabel Street, Tucson, AZ 85724, USA
| | - Arthur A. Bergen
- Section Ophthalmogenetics, Department of Human Genetics, Queen Emma Centre for Precision Medicine, Amsterdam UMC, Location AMC, 1105AZ Amsterdam, The Netherlands
- The Netherlands Institute for Neuroscience (NIN-KNAW), 1105AZ Amsterdam, The Netherlands
| | - David A. Simpson
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University of Belfast, Belfast BT97BL, UK
| | - Imre Lengyel
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University of Belfast, Belfast BT97BL, UK
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7
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Hübers C, Abdul Pari AA, Grieshober D, Petkov M, Schmidt A, Messmer T, Heyer CM, Schölch S, Kapel SS, Gengenbacher N, Singhal M, Schieb B, Fricke C, Will R, Remans K, Utikal JS, Reissfelder C, Schlesner M, Hodivala-Dilke KM, Kersten S, Goerdt S, Augustin HG, Felcht M. Primary tumor-derived systemic nANGPTL4 inhibits metastasis. J Exp Med 2023; 220:e20202595. [PMID: 36269299 PMCID: PMC9595206 DOI: 10.1084/jem.20202595] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 08/07/2022] [Accepted: 09/15/2022] [Indexed: 11/04/2022] Open
Abstract
Primary tumors and distant site metastases form a bidirectionally communicating system. Yet, the molecular mechanisms of this crosstalk are poorly understood. Here, we identified the proteolytically cleaved fragments of angiopoietin-like 4 (ANGPTL4) as contextually active protumorigenic and antitumorigenic contributors in this communication ecosystem. Preclinical studies in multiple tumor models revealed that the C-terminal fragment (cANGPTL4) promoted tumor growth and metastasis. In contrast, the N-terminal fragment of ANGPTL4 (nANGPTL4) inhibited metastasis and enhanced overall survival in a postsurgical metastasis model by inhibiting WNT signaling and reducing vascularity at the metastatic site. Tracing ANGPTL4 and its fragments in tumor patients detected full-length ANGPTL4 primarily in tumor tissues, whereas nANGPTL4 predominated in systemic circulation and correlated inversely with disease progression. The study highlights the spatial context of the proteolytic cleavage-dependent pro- and antitumorigenic functions of ANGPTL4 and identifies and validates nANGPTL4 as a novel biomarker of tumor progression and antimetastatic therapeutic agent.
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Affiliation(s)
- Corinne Hübers
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Department of Dermatology, Venereology and Allergy, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University and Centre of Excellence of Dermatology of Baden-Württemberg, Mannheim, Germany
| | - Ashik Ahmed Abdul Pari
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Denise Grieshober
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Martin Petkov
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | | | - Tatjana Messmer
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Department of Dermatology, Venereology and Allergy, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University and Centre of Excellence of Dermatology of Baden-Württemberg, Mannheim, Germany
| | - Christian Moritz Heyer
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- Biomedical Informatics, Data Mining and Data Analytics, Augsburg University, Augsburg, Germany
| | - Sebastian Schölch
- JCCU Translational Surgical Oncology (A430), German Cancer Research Center, Heidelberg, Germany
- Department of Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- DKFZ-Hector Cancer Institute at University Medical Centre Mannheim, Mannheim, Germany
| | - Stephanie S. Kapel
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Nicolas Gengenbacher
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Mahak Singhal
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Laboratory of AngioRhythms, European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Benjamin Schieb
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Claudine Fricke
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Rainer Will
- Genomics & Proteomics Core Facilities, German Cancer Research Center, Heidelberg, Germany
| | - Kim Remans
- Protein Expression and Purification Core Facility, European Molecular Biology Center, Heidelberg, Germany
| | - Jochen Sven Utikal
- Department of Dermatology, Venereology and Allergy, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University and Centre of Excellence of Dermatology of Baden-Württemberg, Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center, Heidelberg, Germany
| | - Christoph Reissfelder
- Department of Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- DKFZ-Hector Cancer Institute at University Medical Centre Mannheim, Mannheim, Germany
| | - Matthias Schlesner
- Biomedical Informatics, Data Mining and Data Analytics, Augsburg University, Augsburg, Germany
| | - Kairbaan M. Hodivala-Dilke
- Center for Tumor Biology, Barts Cancer Institute, Queen Mary University of London, John Vane Science Center, London, United Kingdom
| | - Sander Kersten
- Nutrition, Metabolism and Genomics group, Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - Sergij Goerdt
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Department of Dermatology, Venereology and Allergy, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University and Centre of Excellence of Dermatology of Baden-Württemberg, Mannheim, Germany
| | - Hellmut G. Augustin
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
| | - Moritz Felcht
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Division of Vascular Oncology and Metastasis, German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg, Germany
- Department of Dermatology, Venereology and Allergy, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University and Centre of Excellence of Dermatology of Baden-Württemberg, Mannheim, Germany
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8
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Son Y, Paton CM. A Review of free fatty acid-induced cell signaling, angiopoietin-like protein 4, and skeletal muscle differentiation. Front Physiol 2022; 13:987977. [PMID: 36148297 PMCID: PMC9485487 DOI: 10.3389/fphys.2022.987977] [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: 07/06/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Postnatal skeletal muscle differentiation from quiescent satellite cells is a highly regulated process, although our understanding of the contribution of nutritional factors in myogenesis is limited. Free fatty acids (FFAs) are known to cause detrimental effects to differentiated skeletal muscle cells by increasing oxidative stress which leads to muscle wasting and insulin resistance in skeletal muscle. In addition, FFAs are thought to act as inhibitors of skeletal muscle differentiation. However, the precise molecular mechanisms underlying the effects of FFAs on skeletal muscle differentiation remains to be elucidated. There is a clear relationship between dietary FFAs and their ability to suppress myogenesis and we propose the hypothesis that the FFA-mediated increase in angiopoietin-like protein 4 (ANGPTL4) may play a role in the inhibition of differentiation. This review discusses the role of FFAs in skeletal muscle differentiation to-date and proposes potential mechanisms of FFA-induced ANGPTL4 mediated inhibition of skeletal muscle differentiation.
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Affiliation(s)
- Yura Son
- Department Nutritional Sciences, Athens, GA, United States
| | - Chad M. Paton
- Department Nutritional Sciences, Athens, GA, United States
- Department of Food Science and Technology, University of Georgia, Athens, GA, United States
- *Correspondence: Chad M. Paton,
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9
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Santi MD, Zhang M, Salvo E, Asam K, Viet C, Xie T, Amit M, Aouizerat B, Ye Y. Schwann Cells Induce Phenotypic Changes in Oral Cancer Cells. Adv Biol (Weinh) 2022; 6:e2200187. [PMID: 35925609 PMCID: PMC9474679 DOI: 10.1002/adbi.202200187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/18/2022] [Indexed: 01/28/2023]
Abstract
Head and neck cancer (HNC) is the seventh most common cancer worldwide, the majority being oral squamous cell carcinoma. Despite advances in cancer diagnosis and treatment, the survival rate of patients with HNC remains stagnant. The cancer-nerve interaction has been recognized as an important driver of cancer progression. Schwann cells, a type of peripheral glia, have been implicated in promoting cancer cell growth, migration, dispersion, and invasion into the nerve in many cancers. Here, it is demonstrated that the presence of Schwann cells makes oral cancer cells more aggressive by promoting their proliferation, extracellular matrix breakdown, and altering cell metabolism. Furthermore, oral cancer cells became larger, more circular, with more projections and nuclei following co-culturing with Schwann cells. RNA-sequencing analysis in oral cancer cells following exposure to Schwann cells shows corresponding changes in genes involved in the hallmarks of cancer and cell metabolism; the enriched KEGG pathways are spliceosome, RNA transport, cell cycle, axon guidance, signaling pathways regulating pluripotency of stem cells, cAMP signaling, WNT signaling, proteoglycans in cancer and PI3K-Akt signaling. Taken together, these results suggest a significant role for Schwann cells in facilitating oral cancer progression, highlighting their potential as a target to treat oral cancer progression.
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Affiliation(s)
- Maria Daniela Santi
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Morgan Zhang
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Elizabeth Salvo
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Kesava Asam
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Chi Viet
- Loma Linda University School of Dentistry, Loma Linda, CA92350
| | - Tongxin Xie
- Head & Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX77030
| | - Moran Amit
- Head & Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX77030
| | - Bradley Aouizerat
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
| | - Yi Ye
- Bluestone Center for Clinical Research, College of Dentistry, New York University
- Department of Oral Maxillofacial Surgery, College of Dentistry, New York University
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Silencing of Angiopoietin-Like Protein 4 (Angptl4) Decreases Inflammation, Extracellular Matrix Degradation, and Apoptosis in Osteoarthritis via the Sirtuin 1/NF-κB Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1135827. [PMID: 36071864 PMCID: PMC9442503 DOI: 10.1155/2022/1135827] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/10/2022] [Accepted: 08/10/2022] [Indexed: 11/18/2022]
Abstract
Osteoarthritis (OA) is a frequently observed condition in aged people. OA cartilage is characterized by chondrocyte apoptosis, chondrocyte inflammation, and hyperactive catabolism of extracellular matrix. However, the specific molecular mechanisms remain unclear. Recent data has shown that Angptl4, a multifunctional cytokine, is involved in the regulation of inflammatory and apoptosis responses in different tissues. This study is aimed at defining the role of Angptl4 in the development of OA. We employed X-ray analysis, safranin O-fast green (S-O) staining, and hematoxylin staining to evaluate histomorphological characteristics in the knee joint of mice. Real-time quantitative polymerase chain reaction, Western blot assays, immunofluorescence staining, and enzyme-linked immunosorbent assays (ELISA) were performed to analyze the changes in gene and protein expression. Mechanically, our data demonstrated that Angptl4 knockdown improved the degradation of extracellular matrix and reduced TNF-α-mediated chondrocyte inflammation and apoptosis by suppressing sirtuin 1/NF-κB signaling pathway. In addition, animal studies showed that the suppression of Angptl4 expression might alleviate OA development. In conclusion, our findings revealed the underlying mechanisms of Angptl4 regulation in chondrocytes and its potential value in the treatment of OA.
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11
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Aung TM, Ciin MN, Silsirivanit A, Jusakul A, Lert-Itthiporn W, Proungvitaya T, Roytrakul S, Proungvitaya S. Serum Angiopoietin-Like Protein 4: A Potential Prognostic Biomarker for Prediction of Vascular Invasion and Lymph Node Metastasis in Cholangiocarcinoma Patients. Front Public Health 2022; 10:836985. [PMID: 35392474 PMCID: PMC8980351 DOI: 10.3389/fpubh.2022.836985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/23/2022] [Indexed: 11/26/2022] Open
Abstract
Cholangiocarcinoma (CCA) is a tumor arising from cholangiocytes lining the bile ducts. Vascular invasion and lymph node metastasis are important prognostic factors for disease staging as well as clinical therapeutic decisions for CCA patients. In the present study, we applied CCA sera proteomic analysis to identify a potential biomarker for prognosis of CCA patients. Then, using bioinformatics tools, we identified angiopoietin-like protein 4 (ANGPTL4) which expressed highest signal intensity among candidate proteins in proteomic analysis of CCA sera. Expression of ANGPTL4 in CCA tissues was determined using immunohistochemistry. The results showed that ANGPTL4 was stained at higher level in CCA cells when compared with normal cholangiocytes. The high expression of ANGPTL4 was associated with lymph node metastasis and advanced tumor stage (p = 0.013 and p = 0.031, respectively). Furthermore, serum ANGPTL4 levels in CCA and healthy control (HC) were analyzed using a dot blot assay. And it was found that ANGPTL4 level was significantly higher in CCA than HC group (p < 0.0001). ROC curve analysis revealed that serum ANGPTL4 level was effectively distinguished CCA from healthy patients (cutoff = 0.2697 arbitrary unit (AU), 80.0% sensitivity, 72.7% specificity, AUC = 0.825, p < 0.0001). Serum ANGPTL4 level was associated with vascular invasion and lymph node metastasis (p = 0.0004 and p = 0.006), so that it differentiated CCA with vascular invasion from CCA without vascular invasion (cutoff = 0.5526 AU, 64.9% sensitivity, 92.9% specificity, AUC = 0.751, p = 0.006) and it corresponded to CCA with/without lymph node metastasis (cutoff = 0.5399 AU, 71.4% sensitivity, 70.8% specificity, AUC = 0.691, p = 0.01) by ROC analysis. Serum ANGPTL4 levels showed superior predictive efficiency compared with CA 19-9 and CEA for vascular invasion and lymph node metastasis. In addition, serum ANGPTL4 level was an independent predictive indicator by multivariate regression analysis. In conclusion, serum ANGPTL4 could be a novel prognostic biomarker for prediction of vascular invasion and lymph node metastasis of CCA patients.
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Affiliation(s)
- Tin May Aung
- Faculty of Associated Medical Sciences, Centre of Research and Development of Medical Diagnostic Laboratories (CMDL), Khon Kaen University, Khon Kaen, Thailand
| | - Mang Ngaih Ciin
- Faculty of Associated Medical Sciences, Centre of Research and Development of Medical Diagnostic Laboratories (CMDL), Khon Kaen University, Khon Kaen, Thailand
| | - Atit Silsirivanit
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Apinya Jusakul
- Faculty of Associated Medical Sciences, Centre of Research and Development of Medical Diagnostic Laboratories (CMDL), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Worachart Lert-Itthiporn
- Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand.,Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Tanakorn Proungvitaya
- Faculty of Associated Medical Sciences, Centre of Research and Development of Medical Diagnostic Laboratories (CMDL), Khon Kaen University, Khon Kaen, Thailand
| | - Sittiruk Roytrakul
- Functional Ingredients and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, Pathum Thani, Thailand
| | - Siriporn Proungvitaya
- Faculty of Associated Medical Sciences, Centre of Research and Development of Medical Diagnostic Laboratories (CMDL), Khon Kaen University, Khon Kaen, Thailand.,Cholangiocarcinoma Research Institute, Khon Kaen University, Khon Kaen, Thailand
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12
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Identifying metabolic reprogramming phenotypes with glycolysis-lipid metabolism discoordination and intercellular communication for lung adenocarcinoma metastasis. Commun Biol 2022; 5:198. [PMID: 35301413 PMCID: PMC8931047 DOI: 10.1038/s42003-022-03135-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 02/07/2022] [Indexed: 12/15/2022] Open
Abstract
Tumor metastasis imposes metabolic requirements for escaping from primary tissues, producing vulnerability in treatment. This study aimed to explore the metabolic reprogramming relevant to lung adenocarcinoma (LUAD) metastasis and decode the underlying intercellular alterations. Using the gene expression profiles of 394 LUAD samples derived from The Cancer Genome Atlas (TCGA), we identified 11 metastasis-related metabolic genes involved in glycolysis and lipid metabolism, and defined three metabolic reprogramming phenotypes (MP-I, -II, and -III) using unsupervised clustering. MP-III with the highest glycolytic and lowest lipid metabolic levels exhibited the highest metastatic potency and poorest survival in TCGA and six independent cohorts totaling 1,235 samples. Genomic analyses showed that mutations in TP53 and KEAP1, and deletions in SETD2 and PBRM1 might drive metabolic reprogramming in MP-III. Single-cell RNA-sequencing data from LUAD validated a metabolic evolutionary trajectory from normal to MP-II and MP-III, through MP-I. The further intercellular communications revealed that MP-III interacted uniquely with endothelial cells and fibroblasts in the ANGPTL pathway, and had stronger interactions with endothelial cells in the VEGF pathway. Herein, glycolysis-lipid dysregulation patterns suggested metabolic reprogramming phenotypes relevant to metastasis. Further insights into the oncogenic drivers and microenvironmental interactions would facilitate the treatment of LUAD metastasis in the future. Transcriptomic analysis from lung adenocarcinoma identified an 11-gene signature that could classify metabolic reprogramming phenotypes in patients.
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13
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Singh M, Akkaya S, Preuß M, Rademacher F, Tohidnezhad M, Kubo Y, Behrendt P, Weitkamp JT, Wedel T, Lucius R, Gläser R, Harder J, Bayer A. Platelet-Released Growth Factors Influence Wound Healing-Associated Genes in Human Keratinocytes and Ex Vivo Skin Explants. Int J Mol Sci 2022; 23:ijms23052827. [PMID: 35269967 PMCID: PMC8911300 DOI: 10.3390/ijms23052827] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/01/2022] [Accepted: 03/01/2022] [Indexed: 02/01/2023] Open
Abstract
Platelet-released growth factors (PRGFs) or other thrombocyte concentrate products, e.g., Platelet-Rich Fibrin (PRF), have become efficient tools of regenerative medicine in many medical disciplines. In the context of wound healing, it has been demonstrated that treatment of chronic or complicated wounds with PRGF or PRF improves wound healing in the majority of treated patients. Nevertheless, the underlying cellular and molecular mechanism are still poorly understood. Therefore, we aimed to analyze if PRGF-treatment of human keratinocytes caused the induction of genes encoding paracrine factors associated with successful wound healing. The investigated genes were Semaphorin 7A (SEMA7A), Angiopoietin-like 4 (ANGPLT4), Fibroblast Growth Factor-2 (FGF-2), Interleukin-32 (IL-32), the CC-chemokine-ligand 20 (CCL20), the matrix-metalloproteinase-2 (MMP-2), the chemokine C-X-C motif chemokine ligand 10 (CXCL10) and the subunit B of the Platelet-Derived Growth Factor (PDGFB). We observed a significant gene induction of SEMA7A, ANGPLT4, FGF-2, IL-32, MMP-2 and PDGFB in human keratinocytes after PRGF treatment. The CCL20- and CXCL10 gene expressions were significantly inhibited by PRGF therapy. Signal transduction analyses revealed that the PRGF-mediated gene induction of SEMA7A, ANGPLT4, IL-32 and MMP-2 in human keratinocytes was transduced via the IL-6 receptor pathway. In contrast, EGF receptor signaling was not involved in the PRGF-mediated gene expression of analyzed genes in human keratinocytes. Additionally, treatment of ex vivo skin explants with PRGF confirmed a significant gene induction of SEMA7A, ANGPLT4, MMP-2 and PDGFB. Taken together, these results describe a new mechanism that could be responsible for the beneficial wound healing properties of PRGF or related thrombocytes concentrate products such as PRF.
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Affiliation(s)
- Michael Singh
- Institute of Anatomy, Kiel University, 24098 Kiel, Germany; (M.S.); (S.A.); (T.W.); (R.L.)
| | - Serhat Akkaya
- Institute of Anatomy, Kiel University, 24098 Kiel, Germany; (M.S.); (S.A.); (T.W.); (R.L.)
| | - Mark Preuß
- Department for Vascular Medicine, Heart and Vascular Center, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany;
| | - Franziska Rademacher
- Department of Dermatology, Venerology and Allergology, Kiel University, 24105 Kiel, Germany; (F.R.); (R.G.); (J.H.)
| | - Mersedeh Tohidnezhad
- Department of Anatomy and Cell Biology, RWTH Aachen University, 52074 Aachen, Germany; (M.T.); (Y.K.)
| | - Yusuke Kubo
- Department of Anatomy and Cell Biology, RWTH Aachen University, 52074 Aachen, Germany; (M.T.); (Y.K.)
| | - Peter Behrendt
- Department of Trauma Surgery, University Medical Center of Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany;
| | - Jan-Tobias Weitkamp
- Department of Oral and Maxillofacial Surgery, University Medical Center of Schleswig-Holstein, Campus Kiel, 24015 Kiel, Germany;
| | - Thilo Wedel
- Institute of Anatomy, Kiel University, 24098 Kiel, Germany; (M.S.); (S.A.); (T.W.); (R.L.)
| | - Ralph Lucius
- Institute of Anatomy, Kiel University, 24098 Kiel, Germany; (M.S.); (S.A.); (T.W.); (R.L.)
| | - Regine Gläser
- Department of Dermatology, Venerology and Allergology, Kiel University, 24105 Kiel, Germany; (F.R.); (R.G.); (J.H.)
| | - Jürgen Harder
- Department of Dermatology, Venerology and Allergology, Kiel University, 24105 Kiel, Germany; (F.R.); (R.G.); (J.H.)
| | - Andreas Bayer
- Institute of Anatomy, Kiel University, 24098 Kiel, Germany; (M.S.); (S.A.); (T.W.); (R.L.)
- Correspondence:
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14
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Xu Q, Gong C, Qiao L, Feng R, Liu H, Liu Y, Ji S, Zhang Y, Wu S, Li S. Aqueous Level of ANGPTL4 Correlates with the OCTA Metrics of Diabetic Macular Edema in NPDR. J Diabetes Res 2022; 2022:8435603. [PMID: 35097131 PMCID: PMC8791715 DOI: 10.1155/2022/8435603] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/09/2021] [Accepted: 12/18/2021] [Indexed: 12/15/2022] Open
Abstract
PURPOSE To investigate the aqueous levels of angiogenic factors in nonproliferative diabetic retinopathy (NPDR) patients with diabetic macular edema (DME) and to ascertain their association with optical coherence tomography angiography (OCTA) metrics. METHODS This study enrolled 21 NPDR eyes with DME (NPDR/DME+), 17 NPDR eyes without DME (NPDR/DME-), and 16 diabetic eyes without retinopathy (DWR). Luminex bead-based multiplex array was used to measure the levels of 25 cytokines. OCTA system with a scan area of 3 × 3 mm was used to measure retinal thickness (RT), retinal volume (RV), superficial vessel density (SVD), deep vessel density (DVD), foveal avascular zone (FAZ) area, perimeter and acircularity index. RESULTS The levels of ANGPTL4 were significantly different among the three groups (P < 0.05), in which NPDR/DME+ group had the highest level and NPDR/DME- group had a higher level than the DWR group (all, P < 0.0167). OCTA examination showed that, compared with DWR and NPDR/DME- group, RT and RV increased and the whole/parafoveal DVD decreased in NPDR/DME+ group (all, P < 0.05). Meanwhile, NPDR/DME- group had lower parafoveal DVD than the DWR group (P < 0.05). Correlation analysis showed that the levels of ANGPTL4 were positively correlated with foveal/parafoveal RT and RV and negatively correlated with whole/parafoveal DVD in NPDR patients (all, P < 0.05). As the influencing factor of RT, RV, and DVD, every additional 103 pg/ml of ANGPTL4 was associated with an increase in foveal and parafoveal RT of 4.299 μm and 3.598 μm, respectively. Every additional 106 pg/ml of ANGPTL4 was associated with an increase in foveal and parafoveal RV of 3.371 mm3 and 17.705 mm3, respectively. Every additional 104 pg/ml of ANGPTL4 was associated with a decrease in whole and parafoveal DVD of 1.705% and 1.799%, respectively. CONCLUSIONS The level of ANGPTL4 in aqueous humor of NPDR patients with DME was significantly increased and ANGPTL4 might predict RT, RV, and parafoveal DVD of DME in NPDR patients.
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Affiliation(s)
- Qing Xu
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Chaoju Gong
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Lei Qiao
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Ruifang Feng
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Haiyang Liu
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Yalu Liu
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Sujuan Ji
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Yipeng Zhang
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Shuang Wu
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
| | - Suyan Li
- Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou First People's Hospital, Xuzhou Eye Disease Prevention and Treatment Institute, Xuzhou, 221116 Jiangsu Province, China
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15
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Expression of ANGPTL4 in Nucleus Pulposus Tissues Is Associated with Intervertebral Disc Degeneration. DISEASE MARKERS 2021; 2021:3532716. [PMID: 34876931 PMCID: PMC8645404 DOI: 10.1155/2021/3532716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/15/2021] [Indexed: 11/17/2022]
Abstract
Objective Angiopoietin-like protein 4 (ANGPTL4), encoding a glycosylated secreted protein, has been reported to be closely related to many kinds of diseases, including diabetes, tumor, and some musculoskeletal pathologies, such as rheumatoid arthritis, osteoarthritis, and osteoporosis. The aim of the current study is to investigate the role of ANGPTL4 in intervertebral disc degeneration and analyze the association of ANGPTL4 expression with Pfirrmann grades. Methods A total of 162 nucleus pulposus tissues were collected from lumbar intervertebral disc herniation patients undergoing interforaminal endoscopic surgery. Real-time quantitative PCR and western blot were performed to determine the mRNA and protein expression of ANGPTL4 in nucleus pulposus samples. Statistical analysis was performed to analyze the association of ANGPTL4 expression with Pfirrmann grades. Results Based on the clinical data of 162 patients, results showed that Pfirrmann grades were significantly associated with patients' age (r = 0.162, P = 0.047) and were not significantly associated with patients' gender (P > 0.05). RT-qPCR and western blot results showed that the mRNA (r = 0.287, P < 0.05) and protein (r = 0.356, P < 0.05) expressions of ANGPTL4 were both closely associated with Pfirrmann grades. The expression of ANGPTL4 was remarkably increased in the groups of high IVDD Pfirrmann grades. Conclusion The results demonstrated that ANGPTL4 expression was positively associated with the Pfirrmann grades and the severity of intervertebral disc degeneration. ANGPTL4 may be served as a candidate biomarker for intervertebral disc degeneration.
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Altmayer V, Ziveri J, Frère C, Salem JE, Weiss N, Cao A, Marois C, Rohaut B, Demeret S, Bourdoulous S, Le Guennec L. Endothelial cell biomarkers in critically ill COVID-19 patients with encephalitis. J Neurochem 2021; 161:492-505. [PMID: 34822163 DOI: 10.1111/jnc.15545] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/27/2021] [Accepted: 11/19/2021] [Indexed: 12/15/2022]
Abstract
COVID-19 is associated with encephalitis in critically ill patients and endothelial dysfunction seems to contribute to this life-threatening complication. Our objective was to determine the hallmark of endothelial activation in COVID-19-related encephalitis. In an observational study in intensive care unit (ICU), we compared vascular biomarkers of critically ill COVID-19 patients with or without encephalitis. To be classified in the encephalitis group, patients had to have new onset of central neurologic symptom, and pathological findings on either brain magnetic resonance imaging (MRI) and/or electroencephalogram (EEG). Among the 32 critically ill COVID-19 consecutive patients, 21 were categorized in the control group and 11 in the encephalitis group. Encephalitis patients had a longer ICU stay than control patients (median length [25th-75th percentile] of 52 [16-79] vs. 20.5 [11-44] days, respectively, p = 0.04). Nine-month overall follow-up mortality reached 21% (7/32 patients), with mortality rates in the encephalitis group and the control group of 27% and 19%, respectively. Encephalitis was associated with significant higher release of soluble endothelial activation markers (sE-selectin, tumor necrosis factor-α (TNF-α), interleukin 6, placental growth factor, and thrombomodulin), but these increases were correlated with TNF-α plasmatic levels. The hypoxia-inducible protein angiopoietin-like 4 (ANGPTL4) was at significantly higher levels in encephalitis patients compared to control patients (p = 0.0099), and in contrary to the other increased factors, was not correlated with TNF-α levels (r = 0.2832, p = 0.1163). Our findings suggest that COVID-19-related encephalitis is a cytokine-associated acute brain dysfunction. ANGPTL4 was the only elevated marker found in encephalitis patients, which was not correlated with systemic inflammation, suggesting that ANGPTL4 might be a relevant factor to predict encephalitis in critically ill COVID-19 patients.
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Affiliation(s)
- Victor Altmayer
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France
| | - Jason Ziveri
- Université de Paris, Institut Cochin, Inserm, CNRS, Paris, France
| | - Corinne Frère
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,UNICO-GRECO Cardio-Oncology Program, INSERM UMRS_1166, Institute of Cardiometabolism and Nutrition, Paris, France.,Department of Hematology, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Joe-Elie Salem
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Department of Pharmacology, INSERM CIC Paris-Est, AP-HP, Institute of Cardiometabolism and Nutrition, Regional Pharmacovigilance Centre, Pitié-Salpêtrière Hospital, Paris, France.,Departments of Medicine and Pharmacology, Cardio-oncology Program, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Nicolas Weiss
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France.,Groupe de Recherche Clinique en REanimation et Soins intensifs du Patient en Insuffisance Respiratoire aiguE (GRC-RESPIRE) Sorbonne Université, Paris, France.,Brain Liver Pitié-Salpêtrière (BLIPS) Study Group, INSERM UMR_S 938, Centre de recherche Saint-Antoine, Maladies métaboliques, biliaires et fibro-inflammatoire du foie, Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
| | - Albert Cao
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France
| | - Clémence Marois
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France.,Groupe de Recherche Clinique en REanimation et Soins intensifs du Patient en Insuffisance Respiratoire aiguE (GRC-RESPIRE) Sorbonne Université, Paris, France
| | - Benjamin Rohaut
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France.,Brain institute-ICM, Sorbonne Université, Inserm U1127, CNRS UMR 7225, Paris, France
| | - Sophie Demeret
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France
| | | | - Loic Le Guennec
- Sorbonne Université, AP-HP.Sorbonne Université, Faculté de Médecine, Hôpital de la Pitié-Salpêtrière, Paris, France.,Médecine Intensive Réanimation à orientation Neurologique, Département de Neurologie, Groupe Hospitalier Pitié-Salpêtrière, AP-HP.Sorbonne Université, Assistance Publique-Hôpitaux de Paris, Paris, France.,DMU Neuroscience, Institut de Neurosciences Translationnelles IHU-A-ICM, Paris, France.,Université de Paris, Institut Cochin, Inserm, CNRS, Paris, France
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17
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Wu G, Liu B, Wu Q, Tang C, Du Z, Fang Y, Hu Y, Yu H. Correlations Between Different Angiogenic and Inflammatory Factors in Vitreous Fluid of Eyes With Proliferative Diabetic Retinopathy. Front Med (Lausanne) 2021; 8:727407. [PMID: 34650995 PMCID: PMC8505670 DOI: 10.3389/fmed.2021.727407] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/31/2021] [Indexed: 12/21/2022] Open
Abstract
Purpose: To investigate the expression of various angiogenesis and inflammation mediators in the vitreous fluid of eyes with proliferative diabetic retinopathy (PDR). Methods: A total of 38 eyes with PDR and 37 control eyes were included. Vitreous fluid was collected during vitrectomy. Vitreous levels of colony stimulating factor-1 receptor (CSF-1R), syndecan-1, placental growth factor (PIGF), and angiopoietin-like protein 4 (ANGPTL-4) were measured by multiplex immunoassay. Vitreous levels of vascular endothelial growth factor (VEGF), interleukin-6 (IL-6), interleukin-8 (IL-8), monocyte chemotactic protein-1 (MCP-1), tumor necrosis factor-α (TNF-α), and intercellular adhesion molecule-1 (ICAM-1) were measured by cytometric beads array. Levels of these mediators were compared between the PDR and control eyes. Correlations between levels of different mediators and between these mediators and kidney function metrics in the PDR group were also analyzed. Results: Vitreous levels of syndecan-1, PIGF, ANGPTL-4, VEGF, and IL-8 were significantly higher in the PDR group compared to the control group (all p < 0.05). Levels of VEGF were significantly correlated with levels of syndecan-1, PIGF, and ANGPTL-4 (r = 0.370 to 0.497, all p < 0.05). Significant positive correlations were detected between levels of any two of the following mediators including syndecan-1, PIGF, ANGPTL-4, and IL-8 (r = 0.370 to 0.906, all p < 0.05). Apart from VEGF, levels of these mediators were positively correlated with serum creatinine and blood urea nitrogen (r = 0.328 to 0.638, all p < 0.05), and negatively correlated with fasting blood glucose and estimated glomerular filtration rate (r = −0.325 to −0.603, all p < 0.05). Conclusions: Correlations between different angiogenesis and inflammation mediators were observed in eyes with PDR, suggesting cross-talks of different angiogenesis and inflammation pathways in the pathogenesis of PDR. The levels of angiogenesis and inflammation in PDR are correlated with kidney damage, indicating possible common pathways in diabetic retinopathy and nephropathy.
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Affiliation(s)
- Guanrong Wu
- School of Medicine, South China University of Technology, Guangzhou, China.,Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Baoyi Liu
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Qiaowei Wu
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Changting Tang
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Zijing Du
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Ying Fang
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yijun Hu
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Aier Institute of Refractive Surgery, Refractive Surgery Center, Guangzhou Aier Eye Hospital, Guangzhou, China.,Aier School of Ophthalmology, Central South University, Changsha, China
| | - Honghua Yu
- School of Medicine, South China University of Technology, Guangzhou, China.,Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
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18
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Fowler A, Sampson M, Remaley AT, Chackerian B. A VLP-based vaccine targeting ANGPTL3 lowers plasma triglycerides in mice. Vaccine 2021; 39:5780-5786. [PMID: 34474934 DOI: 10.1016/j.vaccine.2021.08.077] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 08/16/2021] [Accepted: 08/20/2021] [Indexed: 10/20/2022]
Abstract
Elevated triglycerides (TGs) are an important risk factor for the development of coronary heart disease (CHD) and in acute pancreatitis. Angiopoietin-like proteins 3 (ANGPTL3) and 4 (ANGPTL4) are critical regulators of TG metabolism that function by inhibiting the activity of lipoprotein lipase (LPL), which is responsible for hydrolyzing triglycerides in lipoproteins into free fatty acids. Interestingly, individuals with loss-of-function mutations in ANGPTL3 and ANGPTL4 have low plasma TG levels, have a reduced risk of CHD, and are otherwise healthy. Consequently, interventions targeting ANGPTL3 and ANGPTL4 have emerged as promising new approaches for reducing elevated TGs. Here, we developed virus-like particle (VLP) based vaccines that target the LPL binding domains of ANGPTL3 and ANGPTL4. ANGPTL3 VLPs and ANGPTL4 VLPs are highly immunogenic in mice and vaccination with ANGPTL3 VLPs, but not ANGPTL4 VLPs, was associated with reduced steady state levels of TGs. Immunization with ANGPTL3 VLPs rapidly cleared circulating TG levels following an oil gavage challenge and enhanced plasma LPL activity. These data indicate that targeting ANGPTL3 by active vaccination is a potential alternative to other ANGPTL3-inhibiting therapies.
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Affiliation(s)
- Alexandra Fowler
- Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine, MSC08-4660, Albuquerque, NM 87131, USA
| | - Maureen Sampson
- Lipoprotein Metabolism Section, Cardio-Pulmonary Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Building 10-2C433, 10 Center Drive, MSC 1666, Bethesda, MD 20892, USA
| | - Alan T Remaley
- Lipoprotein Metabolism Section, Cardio-Pulmonary Branch, National Heart, Lung and Blood Institute, National Institutes of Health, Building 10-2C433, 10 Center Drive, MSC 1666, Bethesda, MD 20892, USA
| | - Bryce Chackerian
- Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine, MSC08-4660, Albuquerque, NM 87131, USA.
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19
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Couturier A, Blot G, Vignaud L, Nanteau C, Slembrouck-Brec A, Fradot V, Acar N, Sahel JA, Tadayoni R, Thuret G, Sennlaub F, Roger JE, Goureau O, Guillonneau X, Reichman S. Reproducing diabetic retinopathy features using newly developed human induced-pluripotent stem cell-derived retinal Müller glial cells. Glia 2021; 69:1679-1693. [PMID: 33683746 PMCID: PMC8252429 DOI: 10.1002/glia.23983] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 12/13/2022]
Abstract
Muller glial cells (MGCs) are responsible for the homeostatic and metabolic support of the retina. Despite the importance of MGCs in retinal disorders, reliable and accessible human cell sources to be used to model MGC-associated diseases are lacking. Although primary human MGCs (pMGCs) can be purified from post-mortem retinal tissues, the donor scarcity limits their use. To overcome this problem, we developed a protocol to generate and bank human induced pluripotent stem cell-derived MGCs (hiMGCs). Using a transcriptome analysis, we showed that the three genetically independent hiMGCs generated were homogeneous and showed phenotypic characteristics and transcriptomic profile of pMGCs. These cells expressed key MGC markers, including Vimentin, CLU, DKK3, SOX9, SOX2, S100A16, ITGB1, and CD44 and could be cultured up to passage 8. Under our culture conditions, hiMGCs and pMGCs expressed low transcript levels of RLPB1, AQP4, KCNJ1, KCJN10, and SLC1A3. Using a disease modeling approach, we showed that hiMGCs could be used to model the features of diabetic retinopathy (DR)-associated dyslipidemia. Indeed, palmitate, a major free fatty acid with elevated plasma levels in diabetic patients, induced the expression of inflammatory cytokines found in the ocular fluid of DR patients such as CXCL8 (IL-8) and ANGPTL4. Moreover, the analysis of palmitate-treated hiMGC secretome showed an upregulation of proangiogenic factors strongly related to DR, including ANG2, Endoglin, IL-1β, CXCL8, MMP-9, PDGF-AA, and VEGF. Thus, hiMGCs could be an alternative to pMGCs and an extremely valuable tool to help to understand and model glial cell involvement in retinal disorders, including DR.
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Affiliation(s)
- Aude Couturier
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France.,Department of Ophthalmology, Hôpital Lariboisière, AP-HP, Université de Paris, Paris, France
| | - Guillaume Blot
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | - Lucile Vignaud
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | - Céline Nanteau
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | | | - Valérie Fradot
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | - Niyazi Acar
- Centre des Sciences du Goût et de l'Alimentation, AgroSup Dijon, CNRS, INRAE, Université Bourgogne Franche-Comté, Dijon, France
| | - José-Alain Sahel
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France.,CHNO des Quinze-Vingts, DHU Sight Restore, INSERM-DGOS CIC 1423, Paris, France.,Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Ramin Tadayoni
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France.,Department of Ophthalmology, Hôpital Lariboisière, AP-HP, Université de Paris, Paris, France
| | - Gilles Thuret
- Biologie, Ingénierie et Imagerie de la Greffe de Cornée, EA2521, Faculté de Médecine, Université Jean Monnet, Saint-Etienne, France
| | - Florian Sennlaub
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | - Jerome E Roger
- Institut des Neurosciences Paris-Saclay, CERTO-Retina France, CNRS, Univ Paris-Saclay, Orsay, France
| | - Olivier Goureau
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | | | - Sacha Reichman
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
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20
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Zhang T, Duran V, Vanarsa K, Mohan C. Targeted urine proteomics in lupus nephritis - a meta-analysis. Expert Rev Proteomics 2021; 17:767-776. [PMID: 33423575 DOI: 10.1080/14789450.2020.1874356] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Proteomic approaches are central in biomarker discovery. While mass-spectrometry-based techniques are widely used, novel targeted proteomic platforms have enabled the high-throughput detection of low-abundance proteins in an affinity-based manner. Urine has gained growing attention as an ideal biofluid for monitoring renal disease including lupus nephritis (LN). METHODS Pubmed was screened for targeted proteomic studies of LN urine interrogating ≥1000 proteins. Data from the primary studies were combined and a meta-analysis was performed. Shared proteins elevated in active LN across studies were identified, and relevant pathways were elucidated using ingenuity pathway and gene ontology analysis. Urine proteomic data was cross-referenced against renal single-cell RNAseq data from LN kidneys. RESULTS Two high-throughput targeted proteomic platforms with capacity to interrogate ≥1000 proteins have been used to investigate LN urine. Twenty-three urine proteins were significantly elevated in both studies, including 10 chemokines, and proteins implicated in angiogenesis, and extracellular matrix turnover. Of these, Cathepsin S, CXCL10, FasL, ferritin, macrophage migration inhibitory factor (MIF), and resistin were also significantly elevated within LN kidneys. CONCLUSION Targeted urinary proteomics have uncovered multiple novel biomarkers for LN. Further validation in prospective cohorts and mechanistic studies are warranted to establish their clinical utility.
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Affiliation(s)
- Ting Zhang
- Department of Biomedical Engineering, University of Houston , Houston, Texas, USA
| | - Valeria Duran
- Department of Biomedical Engineering, University of Houston , Houston, Texas, USA
| | - Kamala Vanarsa
- Department of Biomedical Engineering, University of Houston , Houston, Texas, USA
| | - Chandra Mohan
- Department of Biomedical Engineering, University of Houston , Houston, Texas, USA
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21
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Zhang L, Evans A, von Ruhland C, Draman MS, Edkins S, Vincent AE, Berlinguer-Palmini R, Rees DA, Haridas AS, Morris D, Tee AR, Ludgate M, Turnbull DM, Karpe F, Dayan CM. Distinctive Features of Orbital Adipose Tissue (OAT) in Graves' Orbitopathy. Int J Mol Sci 2020; 21:E9145. [PMID: 33266331 PMCID: PMC7730568 DOI: 10.3390/ijms21239145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/20/2020] [Accepted: 11/28/2020] [Indexed: 12/12/2022] Open
Abstract
Depot specific expansion of orbital-adipose-tissue (OAT) in Graves' Orbitopathy (GO) is associated with lipid metabolism signaling defects. We hypothesize that the unique adipocyte biology of OAT facilitates its expansion in GO. A comprehensive comparison of OAT and white-adipose-tissue (WAT) was performed by light/electron-microscopy, lipidomic and transcriptional analysis using ex vivo WAT, healthy OAT (OAT-H) and OAT from GO (OAT-GO). OAT-H/OAT-GO have a single lipid-vacuole and low mitochondrial number. Lower lipolytic activity and smaller adipocytes of OAT-H/OAT-GO, accompanied by similar essential linoleic fatty acid (FA) and (low) FA synthesis to WAT, revealed a hyperplastic OAT expansion through external FA-uptake via abundant SLC27A6 (FA-transporter) expression. Mitochondrial dysfunction of OAT in GO was apparent, as evidenced by the increased mRNA expression of uncoupling protein 1 (UCP1) and mitofusin-2 (MFN2) in OAT-GO compared to OAT-H. Transcriptional profiles of OAT-H revealed high expression of Iroquois homeobox-family (IRX-3&5), and low expression in HOX-family/TBX5 (essential for WAT/BAT (brown-adipose-tissue)/BRITE (BRown-in-whITE) development). We demonstrated unique features of OAT not presented in either WAT or BAT/BRITE. This study reveals that the pathologically enhanced FA-uptake driven hyperplastic expansion of OAT in GO is associated with a depot specific mechanism (the SLC27A6 FA-transporter) and mitochondrial dysfunction. We uncovered that OAT functions as a distinctive fat depot, providing novel insights into adipocyte biology and the pathological development of OAT expansion in GO.
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Affiliation(s)
- Lei Zhang
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Anna Evans
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Chris von Ruhland
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Mohd Shazli Draman
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Sarah Edkins
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Amy E. Vincent
- Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle NE2 4HH, UK; (A.E.V.); (D.M.T.)
| | | | - D. Aled Rees
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Anjana S Haridas
- Department of Ophthalmology, Cardiff & Vale University Health Board, Cardiff CF14 4XW, UK; (A.S.H.); (D.M.)
| | - Dan Morris
- Department of Ophthalmology, Cardiff & Vale University Health Board, Cardiff CF14 4XW, UK; (A.S.H.); (D.M.)
| | - Andrew R. Tee
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Marian Ludgate
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
| | - Doug M. Turnbull
- Wellcome Centre for Mitochondrial Research, Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle NE2 4HH, UK; (A.E.V.); (D.M.T.)
| | - Fredrik Karpe
- Oxford Centre for Diabetes, Endocrinology and Metabolism, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 7LE, UK;
- NIHR Oxford Biomedical Research Center, OUH Foundation Trust, Oxford OX4 2PG, UK
| | - Colin M. Dayan
- School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK; (A.E.); (C.v.R.); (M.S.D.); (S.E.); (D.A.R.); (A.R.T.); (M.L.); (C.M.D.)
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22
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Alipour H, Shahriari-Namadi M, Ebrahimi S, Moemenbellah-Fard MD. Wound healing potential: evaluation of molecular profiling and amplification of Lucilia sericata angiopoietin-1 mRNA mid-part. BMC Res Notes 2020; 13:308. [PMID: 32611449 PMCID: PMC7329540 DOI: 10.1186/s13104-020-05141-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 06/16/2020] [Indexed: 12/28/2022] Open
Abstract
Objective High prevalence of chronic ulcers and the burden of disease necessitate the increasingly significant production of new recombinant proteins in the world. The angiopoietin-1 enzyme is a part of the growth factors group which is secreted by Lucilia sericata (Diptera: Calliphoridae) larvae when they meet lesions to ensure maggot therapy. It is one of the most potent proteins in wound healing. Given its essential role, the angiopoietin-1 gene of L. sericata was characterized, which provided some necessary information on its identity. Results The mid-part of the angiopoietin-1 mRNA sequence was thus characterized based on the design of different primers such as exon-exon junction, conserved regions, and specific region primers via conventional polymerase chain reaction (PCR). Its structural features were configured by in silico method. The sequence of mid-part (390 bp) of angiopoietin-1 was determined empirically, and BLAST analysis unraveled its high identity (85%) with the sequence of angiopoietin-1 mRNA of the larval housefly, Musca domestica. The homology of this enzyme also exhibited that its nucleic acid sequence was very similar to the domains of angiopoietin-1 in Lucilia cuprina. The current data are instructive and critical to evaluate the action of this enzyme in recombinant protein production in future molecular studies on wound healing.
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Affiliation(s)
- Hamzeh Alipour
- Department of Medical Entomology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.,Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Marziae Shahriari-Namadi
- Department of Medical Entomology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Saeedeh Ebrahimi
- Department of Medical Entomology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad D Moemenbellah-Fard
- Department of Medical Entomology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran. .,Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
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23
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Rahmani F, Hasanzadeh M, Hassanian SM, Khazaei M, Esmaily H, Asef-Agah SA, Naghipour A, A Ferns G, Avan A. Association of a genetic variant in the angiopoietin-like protein 4 gene with cervical cancer. Pathol Res Pract 2020; 216:153011. [PMID: 32534714 DOI: 10.1016/j.prp.2020.153011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/20/2020] [Accepted: 05/10/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Cervical cancer is among the most aggressive gynecological tumors and is a consequence of interactions between genetic and epigenetic factors. Several genetic polymorphisms related to cervical cancer have been reported in previous clinical studies. In this study, we aimed to explore the possible relationship between polymorphisms of the ANGPTL4 gene locus and susceptibility to cervical cancer. METHODS We investigated the relationship between a single nucleotide polymorphism (SNP) in the ANPGTL4 gene (rs116843064) and risk of cervical cancer in a total of 378 individuals with (n = 151), or without (n = 227) cancer. DNA was extracted, and genotyped using a Taq-Man based real time PCR. RESULTS The ANPGTL4 polymorphism was found to be associated with an increased risk of developing cervical neoplasia using dominant model (OR = 12.48, CI = 4.9-31.82, p < 0.0001) and additive model (OR = 30.54, CI = 7.35-126.89, p < 0.0001). CONCLUSION Our results indicate that there is a strong association between ANPGTL4 and the susceptibility for cervical cancer suggesting that it is a potential risk factor for cervical neoplasia.
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Affiliation(s)
- Farzad Rahmani
- Iranshahr University of Medical Sciences, Iranshahr, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Malihe Hasanzadeh
- Department of Gynecology Oncology, Woman Health Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mahdi Hassanian
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Khazaei
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Habibollah Esmaily
- Department of Epidemiology and Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Ami Asef-Agah
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Naghipour
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, UK
| | - Amir Avan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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24
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Zhang Y, Zheng D, Fang Q, Zhong M. Aberrant hydroxymethylation of ANGPTL4 is associated with selective intrauterine growth restriction in monochorionic twin pregnancies. Epigenetics 2020; 15:887-899. [PMID: 32114885 DOI: 10.1080/15592294.2020.1737355] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Selective intrauterine growth restriction (sIUGR) is a severe complication in monochorionic (MC) twin pregnancies, and it carries increased risks of poor prognosis. Current data suggest that vascular anastomoses and unequal placental sharing may be the key contributor to discordant foetal growth. While MC twins derive from a single zygote and have almost identical genetic information, the precise mechanisms remain unknown. DNA hydroxymethylation is a newly discovered epigenetic feature associated with gene regulation and modification. Here, we investigate discordant hydroxymethylation patterns between two placental shares of sIUGR and analyse the potential role of aberrant hydroxymethylation of angiopoietin-like 4 (ANGPTL4) in placental dysplasia. Hydroxymethylation DNA immunoprecipitation (hMeDIP)-chip and mRNA sequencing were performed to identify hydroxymethylation-associated genes. Real-time qPCR, western blotting, and immunohistochemistry were used to confirm ANGPTL4 expression. The mechanisms regulating ANGPTL4 were investigated by cell migration assay, invasion assay, viability assay, and apoptotic ratio assays, western blotting and hMeDIP-qPCR. Decreased ANGPTL4 was detected in the smaller placental shares of sIUGR. ANGPTL4 knockdown suppressed trophoblast invasiveness and migration, which possibly occurred through hypoxia inducible factor 1α (HIF-1α) and HIF-1 signalling pathway. Hypoxia leads to aberrant expression of ANGPTL4 and HIF-1α, positively correlated with their aberrant hydroxymethylation levels in promoter regions. Aberrant hydroxymethylation of ANGPTL4 may contribute to placental impairment by the HIF-1 signalling pathway in smaller placental shares of sIUGR.
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Affiliation(s)
- Yi Zhang
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University , Guangzhou, China
| | - Dezhong Zheng
- Department of Cardiology, The Third Affiliated Hospital of Southern Medical University, Southern Medical University , Guangzhou, China.,Department of Cardiology, Nanfang Hospital, Southern Medical University , Guangzhou, China
| | - Qun Fang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Sun Yat-sen University, Sun Yat-sen University , Guangzhou, China
| | - Mei Zhong
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University , Guangzhou, China
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Argentiero A, De Summa S, Di Fonte R, Iacobazzi RM, Porcelli L, Da Vià M, Brunetti O, Azzariti A, Silvestris N, Solimando AG. Gene Expression Comparison between the Lymph Node-Positive and -Negative Reveals a Peculiar Immune Microenvironment Signature and a Theranostic Role for WNT Targeting in Pancreatic Ductal Adenocarcinoma: A Pilot Study. Cancers (Basel) 2019; 11:cancers11070942. [PMID: 31277479 PMCID: PMC6678707 DOI: 10.3390/cancers11070942] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/25/2019] [Accepted: 06/28/2019] [Indexed: 12/17/2022] Open
Abstract
Over the past several years there has been much debate with regards to the prognostic and clinical significance of pancreatic ductal adenocarcinoma (PDAC) with lymph nodes metastasis. The PDAC gene expression knowledge and the biologic alterations underlying the lymph node involvement convey a clinical implication in dealing with the theranostic window. To this end, we provide an original bioinformatic dissection of the gene expression differences of PDAC according to the nodal involvement from a large public available dataset. Comprehensive transcriptomic analysis from 143 RNA-seq patient's derived samples indicated that WNT increased activation and a peculiar immune microenvironment identify subjects with nodal involvement. In frame of this thinking, we validated the WNT pathway role in increasing the likelihood of lymphatic dissemination in vitro. Moreover, we demonstrated for the first time in a PDAC model the potential therapeutic window that XAV-939-a specific WNT pathway inhibitor-has in re-educating a tumor-permissive immune system. Finally, we outline the potential implication on bystander molecular drivers exerted by WNT molecular inhibition, providing a picture of the proteomic oncogenic landscape changes elicited by XAV-939 on PDAC cells and their clinical implication. Our findings hold the promise to identify novel immune-based therapeutic strategies targeting WNT to enhance PDAC cytotoxicity and restore anti-PDAC immunity in node-positive disease.
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Affiliation(s)
- Antonella Argentiero
- Medical Oncology Unit, IRCCS Cancer Institute "Giovanni Paolo II" of Bari, 70124 Bari, Italy
| | - Simona De Summa
- Molecular Diagnostics and Pharmacogenetics Unit, IRCCS Cancer Institute "Giovanni Paolo II", 70124 Bari, Italy
| | - Roberta Di Fonte
- Experimental Pharmacology Laboratory, IRCCS Cancer Institute "Giovanni Paolo II", 70124 Bari, Italy
| | - Rosa Maria Iacobazzi
- Experimental Pharmacology Laboratory, IRCCS Cancer Institute "Giovanni Paolo II", 70124 Bari, Italy
| | - Letizia Porcelli
- Experimental Pharmacology Laboratory, IRCCS Cancer Institute "Giovanni Paolo II", 70124 Bari, Italy
| | - Matteo Da Vià
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research Laboratory, University Hospital of Würzburg, 97080 Würzburg, Germany
| | - Oronzo Brunetti
- Medical Oncology Unit, The Hospital Mons. R. Dimiccoli, 76121 Barletta (Bat), Italy
| | - Amalia Azzariti
- Experimental Pharmacology Laboratory, IRCCS Cancer Institute "Giovanni Paolo II", 70124 Bari, Italy
| | - Nicola Silvestris
- Scientific Direction, IRCCS Cancer Institute "Giovanni Paolo II", 70124 Bari, Italy
| | - Antonio Giovanni Solimando
- Department of Internal Medicine II, Interdisciplinary Center for Clinical Research Laboratory, University Hospital of Würzburg, 97080 Würzburg, Germany.
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine 'G. Baccelli', University of Bari Medical School, 70124 Bari, Italy.
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26
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Angiopoetin-like 4 in sickle cell retinopathy. Biosci Rep 2018; 38:BSR20181462. [PMID: 30232237 PMCID: PMC6209607 DOI: 10.1042/bsr20181462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 09/09/2018] [Accepted: 09/11/2018] [Indexed: 12/20/2022] Open
Abstract
This correspondence provides a comment on the recent review article by Yang et al. [Biosci. Rep. (2018) 38, BSR20180557, https://doi.org/10.1042/BSR20180557]
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27
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Response to comment by Guerra et al. Biosci Rep 2018; 38:BSR20181493. [PMID: 30224378 PMCID: PMC6209609 DOI: 10.1042/bsr20181493] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 08/31/2018] [Accepted: 09/11/2018] [Indexed: 12/17/2022] Open
Abstract
This is a response by the authors of the review article ‘A review of the multifunctionality of angiopoietin-like 4 in eye disease’ [Biosci. Rep. (2018) 38, BSR20180557, https://doi.org/10.1042/BSR20180557] to the comment published in this issue by Guerra et al. [Biosci. Rep. (2018) 38, BSR20180557, https://doi.org/10.1042/BSR20181462]
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