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Vora M, Dietz J, Wing Z, Liu J, Rongo C, Savage-Dunn C. Genome-wide analysis of Smad and Schnurri transcription factors in C. elegans demonstrates widespread interaction and a function in collagen secretion. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.05.597576. [PMID: 38895257 PMCID: PMC11185707 DOI: 10.1101/2024.06.05.597576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Smads and their transcription factor partners mediate the transcriptional responses of target cells to secreted ligands of the Transforming Growth Factor-β (TGF-β) family, including those of the conserved bone morphogenetic protein (BMP) family, yet only a small number of direct target genes have been well characterized. In C. elegans, the BMP2/4 ortholog DBL-1 regulates multiple biological functions, including body size, via a canonical receptor-Smad signaling cascade. Here, we identify functional binding sites for SMA-3/Smad and its transcriptional partner SMA-9/Schnurri based on ChIP-seq peaks (identified by modEncode) and expression differences of nearby genes identified from RNA-seq analysis of corresponding mutants. We found that SMA-3 and SMA-9 have both overlapping and unique target genes. At a genome-wide scale, SMA-3/Smad acts as a transcriptional activator, whereas SMA-9/Schnurri direct targets include both activated and repressed genes. Mutations in sma-9 partially suppress the small body size phenotype of sma-3, suggesting some level of antagonism between these factors and challenging the prevailing model for Schnurri function. A functional analysis of target genes revealed a novel role in body size for genes involved in one-carbon metabolism and in the endoplasmic reticulum (ER) secretory pathway, including the disulfide reductase dpy-11. Our findings indicate that Smads and SMA-9/Schnurri have previously unappreciated complex genetic and genomic regulatory interactions that in turn regulate the secretion of extracellular components like collagen into the cuticle to mediate body size regulation.
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Affiliation(s)
- Mehul Vora
- Waksman Institute, Dept. of Genetics, Rutgers University, NJ, USA
- ModOmics Ltd, Southampton, UK
| | - Jonathan Dietz
- Waksman Institute, Dept. of Genetics, Rutgers University, NJ, USA
| | - Zachary Wing
- Department of Biology, Queens College, CUNY, NY, USA
| | - Jun Liu
- Department of Molecular Biology and Genetics, Cornell University, NY, USA
| | | | - Cathy Savage-Dunn
- Department of Biology, Queens College, CUNY, NY, USA
- PhD Program in Biology, the Graduate Center, CUNY, NY, USA
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2
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Al Tabosh T, Liu H, Koça D, Al Tarrass M, Tu L, Giraud S, Delagrange L, Beaudoin M, Rivière S, Grobost V, Rondeau-Lutz M, Dupuis O, Ricard N, Tillet E, Machillot P, Salomon A, Picart C, Battail C, Dupuis-Girod S, Guignabert C, Desroches-Castan A, Bailly S. Impact of heterozygous ALK1 mutations on the transcriptomic response to BMP9 and BMP10 in endothelial cells from hereditary hemorrhagic telangiectasia and pulmonary arterial hypertension donors. Angiogenesis 2024; 27:211-227. [PMID: 38294582 PMCID: PMC11021321 DOI: 10.1007/s10456-023-09902-8] [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: 10/04/2023] [Accepted: 12/03/2023] [Indexed: 02/01/2024]
Abstract
Heterozygous activin receptor-like kinase 1 (ALK1) mutations are associated with two vascular diseases: hereditary hemorrhagic telangiectasia (HHT) and more rarely pulmonary arterial hypertension (PAH). Here, we aimed to understand the impact of ALK1 mutations on BMP9 and BMP10 transcriptomic responses in endothelial cells. Endothelial colony-forming cells (ECFCs) and microvascular endothelial cells (HMVECs) carrying loss of function ALK1 mutations were isolated from newborn HHT and adult PAH donors, respectively. RNA-sequencing was performed on each type of cells compared to controls following an 18 h stimulation with BMP9 or BMP10. In control ECFCs, BMP9 and BMP10 stimulations induced similar transcriptomic responses with around 800 differentially expressed genes (DEGs). ALK1-mutated ECFCs unexpectedly revealed highly similar transcriptomic profiles to controls, both at the baseline and upon stimulation, and normal activation of Smad1/5 that could not be explained by a compensation in cell-surface ALK1 level. Conversely, PAH HMVECs revealed strong transcriptional dysregulations compared to controls with > 1200 DEGs at the baseline. Consequently, because our study involved two variables, ALK1 genotype and BMP stimulation, we performed two-factor differential expression analysis and identified 44 BMP9-dysregulated genes in mutated HMVECs, but none in ECFCs. Yet, the impaired regulation of at least one hit, namely lunatic fringe (LFNG), was validated by RT-qPCR in three different ALK1-mutated endothelial models. In conclusion, ALK1 heterozygosity only modified the BMP9/BMP10 regulation of few genes, including LFNG involved in NOTCH signaling. Future studies will uncover whether dysregulations in such hits are enough to promote HHT/PAH pathogenesis, making them potential therapeutic targets, or if second hits are necessary.
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Affiliation(s)
- T Al Tabosh
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - H Liu
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - D Koça
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - M Al Tarrass
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - L Tu
- Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Université Paris-Saclay, 94276, Le Kremlin-Bicêtre, France
- INSERM UMR_S 999 «Pulmonary Hypertension: Pathophysiology and Novel Therapies», Hôpital Marie Lannelongue, 92350, Le Plessis-Robinson, France
| | - S Giraud
- Genetics Department, Femme-Mère-Enfants Hospital, Hospices Civils de Lyon, 69677, Bron, France
| | - L Delagrange
- Genetics Department, Femme-Mère-Enfants Hospital, Hospices Civils de Lyon, 69677, Bron, France
- National Reference Center for HHT, 69677, Bron, France
| | - M Beaudoin
- Genetics Department, Femme-Mère-Enfants Hospital, Hospices Civils de Lyon, 69677, Bron, France
- National Reference Center for HHT, 69677, Bron, France
| | - S Rivière
- Internal Medicine Department, CHU of Montpellier, St Eloi Hospital and Center of Clinical Investigation, INSERM, CIC 1411, 34295, Montpellier Cedex 7, France
| | - V Grobost
- Internal Medicine Department, CHU Estaing, 63100, Clermont-Ferrand, France
| | - M Rondeau-Lutz
- Internal Medicine Department, University Hospital of Strasbourg, 67091, Strasbourg Cedex, France
| | - O Dupuis
- Hôpital Lyon SUD, Hospices Civils de Lyon, Université Claude Bernard Lyon 1, 69100, Villeurbanne, France
- Faculty of Medicine, Lyon University, 69921, Lyon, France
| | - N Ricard
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - E Tillet
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - P Machillot
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - A Salomon
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - C Picart
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - C Battail
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - S Dupuis-Girod
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
- Genetics Department, Femme-Mère-Enfants Hospital, Hospices Civils de Lyon, 69677, Bron, France
- National Reference Center for HHT, 69677, Bron, France
| | - C Guignabert
- Faculté de Médecine, Pulmonary Hypertension: Pathophysiology and Novel Therapies, Université Paris-Saclay, 94276, Le Kremlin-Bicêtre, France
- INSERM UMR_S 999 «Pulmonary Hypertension: Pathophysiology and Novel Therapies», Hôpital Marie Lannelongue, 92350, Le Plessis-Robinson, France
| | - A Desroches-Castan
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France
| | - S Bailly
- Biosanté unit U1292, Grenoble Alpes University, INSERM, CEA, 38000, Grenoble, France.
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Miyazawa K, Itoh Y, Fu H, Miyazono K. Receptor-activated transcription factors and beyond: multiple modes of Smad2/3-dependent transmission of TGF-β signaling. J Biol Chem 2024; 300:107256. [PMID: 38569937 PMCID: PMC11063908 DOI: 10.1016/j.jbc.2024.107256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/28/2024] [Accepted: 03/05/2024] [Indexed: 04/05/2024] Open
Abstract
Transforming growth factor β (TGF-β) is a pleiotropic cytokine that is widely distributed throughout the body. Its receptor proteins, TGF-β type I and type II receptors, are also ubiquitously expressed. Therefore, the regulation of various signaling outputs in a context-dependent manner is a critical issue in this field. Smad proteins were originally identified as signal-activated transcription factors similar to signal transducer and activator of transcription proteins. Smads are activated by serine phosphorylation mediated by intrinsic receptor dual specificity kinases of the TGF-β family, indicating that Smads are receptor-restricted effector molecules downstream of ligands of the TGF-β family. Smad proteins have other functions in addition to transcriptional regulation, including post-transcriptional regulation of micro-RNA processing, pre-mRNA splicing, and m6A methylation. Recent technical advances have identified a novel landscape of Smad-dependent signal transduction, including regulation of mitochondrial function without involving regulation of gene expression. Therefore, Smad proteins are receptor-activated transcription factors and also act as intracellular signaling modulators with multiple modes of function. In this review, we discuss the role of Smad proteins as receptor-activated transcription factors and beyond. We also describe the functional differences between Smad2 and Smad3, two receptor-activated Smad proteins downstream of TGF-β, activin, myostatin, growth and differentiation factor (GDF) 11, and Nodal.
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Affiliation(s)
- Keiji Miyazawa
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan.
| | - Yuka Itoh
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Hao Fu
- Department of Biochemistry, Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Kohei Miyazono
- Department of Applied Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan; Laboratory for Cancer Invasion and Metastasis, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
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Mejias Rivera L, Shore EM, Mourkioti F. Cellular and Molecular Mechanisms of Heterotopic Ossification in Fibrodysplasia Ossificans Progressiva. Biomedicines 2024; 12:779. [PMID: 38672135 PMCID: PMC11048698 DOI: 10.3390/biomedicines12040779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP) is a debilitating genetic disorder characterized by recurrent episodes of heterotopic ossification (HO) formation in muscles, tendons, and ligaments. FOP is caused by a missense mutation in the ACVR1 gene (activin A receptor type I), an important signaling receptor involved in endochondral ossification. The ACVR1R206H mutation induces increased downstream canonical SMAD-signaling and drives tissue-resident progenitor cells with osteogenic potential to participate in endochondral HO formation. In this article, we review aberrant ACVR1R206H signaling and the cells that give rise to HO in FOP. FOP mouse models and lineage tracing analyses have been used to provide strong evidence for tissue-resident mesenchymal cells as cellular contributors to HO. We assess how the underlying mutation in FOP disrupts muscle-specific dynamics during homeostasis and repair, with a focus on muscle-resident mesenchymal cells known as fibro-adipogenic progenitors (FAPs). Accumulating research points to FAPs as a prominent HO progenitor population, with ACVR1R206H FAPs not only aberrantly differentiating into chondro-osteogenic lineages but creating a permissive environment for bone formation at the expense of muscle regeneration. We will further discuss the emerging role of ACVR1R206H FAPs in muscle regeneration and therapeutic targeting of these cells to reduce HO formation in FOP.
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Affiliation(s)
- Loreilys Mejias Rivera
- Cell and Molecular Biology, Genetics and Epigenetics Graduate Program, University of Pennsylvania, Philadelphia, PA 19104, USA;
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Eileen M. Shore
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Foteini Mourkioti
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, 3450 Hamilton Walk, Philadelphia, PA 19104, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Musculoskeletal Program, Penn Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Feng Y, Zhang J, Li Y, Chen G, Zhang X, Ning G, Wu S. Inhibition of Pi4kb activity causes malformation of vestibular apparatus in zebrafish by downregulating hey1. Gene 2024; 898:148105. [PMID: 38135256 DOI: 10.1016/j.gene.2023.148105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/17/2023] [Accepted: 12/19/2023] [Indexed: 12/24/2023]
Abstract
Phosphatidylinositol 4 kinase-β (PI4KB) plays critical roles in human genetic diseases. In zebrafish, Pi4kb is strongly expressed in hair cells (HCs), which are necessary for detecting sound vibrations, head movements, and water motion. However, the role of PI4KB in HC or semicircular canal development is unclear. Herein, we report that pi4kb morphants exhibit insensitivity to sound stimulation and abnormal morphological vestibular organs, including cilium loss in HCs of the cristae and semicircular canal malformation. As bone morphogenetic protein (BMP) signaling is associated with HC and semicircular canal development, we analyzed the expression of BMP-related genes; the phosphorylated Smad1/5/9 (p-Smad1/5/9) expression was markedly reduced in otic HCs. RNA-sequencing data indicated that the transcriptional levels of BMP membrane receptor 2 (bmpr2a and bmpr2b) and hes-related family of bHLH transcription factors with YRPW motif 1 (hey1), a direct downstream target gene of p-Smad, were significantly reduced in the pi4kb morphants, as verified using quantitative reverse transcription-polymerase chain reaction and in situ hybridization. Co-injection of hey1 mRNA and pi4kb morpholino notably recovered vestibular apparatus development, including the number and length of cilia in HCs of the cristae and semicircular canal formation. Collectively, these results suggest that Pi4kb is involved in vestibular apparatus development in zebrafish by regulating BMP membrane receptor 2 and p-Smad1/5/9 levels, thereby affecting the transcriptional activation of the target gene hey1. This study sheds light on the interaction between Pi4kb and the BMP-Hey1 signaling axis, which is critical for HC and semicircular canal formation.
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Affiliation(s)
- Yufei Feng
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, China
| | - Jiaqi Zhang
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, China; Department of Physiology, School of Basic Medical Sciences, Harbin Medical University, Harbin, HeilongJiang, China
| | - Yuzhen Li
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, China
| | - Gengrong Chen
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, China
| | - Xiaoting Zhang
- Life Science and Technology School, Lingnan Normal University, Zhanjiang, Guangdong, China
| | - Guozhu Ning
- Affiliated Hospital of Guangdong Medical University & Zhanjiang Key Laboratory of Zebrafish Model for Development and Disease, Guangdong Medical University, Zhanjiang, Guangdong, China.
| | - Shuilong Wu
- Zhanjiang Institute of Clinical Medicine, Central People's Hospital of Zhanjiang, Zhanjiang, Guangdong, China.
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Wei SY, Fu WS, Liu CH, Wang WL, Shih YT, Chien S, Chiu JJ. Identification of KU-55933 as an anti-atherosclerosis compound by using a hemodynamic-based high-throughput drug screening platform. Proc Natl Acad Sci U S A 2024; 121:e2318718121. [PMID: 38252820 PMCID: PMC10835076 DOI: 10.1073/pnas.2318718121] [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: 11/10/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
Several compounds have been used for atherosclerosis treatment, including clinical trials; however, no anti-atherosclerotic drugs based on hemodynamic force-mediated atherogenesis have been discovered. Our previous studies demonstrated that "small mothers against decapentaplegic homolog 1/5" (Smad1/5) is a convergent signaling molecule for chemical [e.g., bone morphogenetic proteins (BMPs)] and mechanical (e.g., disturbed flow) stimulations and hence may serve as a promising hemodynamic-based target for anti-atherosclerosis drug development. The goal of this study was to develop a high-throughput screening (HTS) platform to identify potential compounds that can inhibit disturbed flow- and BMP-induced Smad1/5 activation and atherosclerosis. Through HTS using a Smad1/5 downstream target inhibitor of DNA binding 1 (Id-1) as a luciferase reporter, we demonstrated that KU-55933 and Apicidin suppressed Id-1 expression in AD-293 cells. KU-55933 (10 μM), Apicidin (10 μM), and the combination of half doses of each [1/2(K + A)] inhibited disturbed flow- and BMP4-induced Smad1/5 activation in human vascular endothelial cells (ECs). KU-55933, Apicidin, and 1/2(K + A) treatments caused 50.6%, 47.4%, and 73.3% inhibitions of EC proliferation induced by disturbed flow, respectively, whereas EC inflammation was only suppressed by KU-55933 and 1/2(K + A), but not Apicidin alone. Administrations of KU-55933 and 1/2(K + A) to apolipoprotein E-deficient mice inhibited Smad1/5 activation in ECs in athero-susceptible regions, thereby suppressing endothelial proliferation and inflammation, with the attenuation of atherosclerotic lesions in these mice. A unique drug screening platform has been developed to demonstrate that KU-55933 and its combination with Apicidin are promising therapeutic compounds for atherosclerosis based on hemodynamic considerations.
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Affiliation(s)
- Shu-Yi Wei
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli350, Taiwan
| | - Wei-Shan Fu
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli350, Taiwan
| | - Chang-Hsuan Liu
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli350, Taiwan
| | - Wei-Li Wang
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli350, Taiwan
| | - Yu-Tsung Shih
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli350, Taiwan
- Department of Anatomy and Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei110, Taiwan
| | - Shu Chien
- Department of Bioengineering and Institute of Engineering in Medicine, University of California, San Diego, La Jolla, CA93093
- Department of Medicine, University of California, San Diego, La Jolla, CA93093
| | - Jeng-Jiann Chiu
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli350, Taiwan
- College of Medical Science and Technology, Taipei Medical University, Taipei110, Taiwan
- Taipei Heart Institute, Taipei Medical University, Taipei110, Taiwan
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu300, Taiwan
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7
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Guo Y, Zhang S, Wang D, Heng BC, Deng X. Role of cell rearrangement and related signaling pathways in the dynamic process of tip cell selection. Cell Commun Signal 2024; 22:24. [PMID: 38195565 PMCID: PMC10777628 DOI: 10.1186/s12964-023-01364-1] [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: 06/14/2023] [Accepted: 10/25/2023] [Indexed: 01/11/2024] Open
Abstract
Angiogenesis is a complex, highly-coordinated and multi-step process of new blood vessel formation from pre-existing blood vessels. When initiated, the sprouting process is spearheaded by the specialized endothelial cells (ECs) known as tip cells, which guide the organization of accompanying stalk cells and determine the function and morphology of the finally-formed blood vessels. Recent studies indicate that the orchestration and coordination of angiogenesis involve dynamic tip cell selection, which is the competitive selection of cells to lead the angiogenic sprouts. Therefore, this review attempt to summarize the underlying mechanisms involved in tip cell specification in a dynamic manner to enable readers to gain a systemic and overall understanding of tip cell formation, involving cooperative interaction of cell rearrangement with Notch and YAP/TAZ signaling. Various mechanical and chemical signaling cues are integrated to ensure the right number of cells at the right place during angiogenesis, thereby precisely orchestrating morphogenic functions that ensure correct patterning of blood vessels. Video Abstract.
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Affiliation(s)
- Yaru Guo
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China
| | - Shihan Zhang
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China
| | - Dandan Wang
- Department of Pediatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, China
| | - Boon Chin Heng
- Central Laboratory, Peking University School and Hospital of Stomatology, Beijing, 100081, China.
- NMPA Key Laboratory for Dental Materials, Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology, Beijing, 100081, China.
| | - Xuliang Deng
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China.
- National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China.
- Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, China.
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8
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Payne S, Neal A, De Val S. Transcription factors regulating vasculogenesis and angiogenesis. Dev Dyn 2024; 253:28-58. [PMID: 36795082 PMCID: PMC10952167 DOI: 10.1002/dvdy.575] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 02/06/2023] [Accepted: 02/06/2023] [Indexed: 02/17/2023] Open
Abstract
Transcription factors (TFs) play a crucial role in regulating the dynamic and precise patterns of gene expression required for the initial specification of endothelial cells (ECs), and during endothelial growth and differentiation. While sharing many core features, ECs can be highly heterogeneous. Differential gene expression between ECs is essential to pattern the hierarchical vascular network into arteries, veins and capillaries, to drive angiogenic growth of new vessels, and to direct specialization in response to local signals. Unlike many other cell types, ECs have no single master regulator, instead relying on differing combinations of a necessarily limited repertoire of TFs to achieve tight spatial and temporal activation and repression of gene expression. Here, we will discuss the cohort of TFs known to be involved in directing gene expression during different stages of mammalian vasculogenesis and angiogenesis, with a primary focus on development.
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Affiliation(s)
- Sophie Payne
- Department of Physiology, Anatomy and GeneticsInstitute of Developmental and Regenerative Medicine, University of OxfordOxfordUK
| | - Alice Neal
- Department of Physiology, Anatomy and GeneticsInstitute of Developmental and Regenerative Medicine, University of OxfordOxfordUK
| | - Sarah De Val
- Department of Physiology, Anatomy and GeneticsInstitute of Developmental and Regenerative Medicine, University of OxfordOxfordUK
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9
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Luna-Zurita L, Flores-Garza BG, Grivas D, Siguero-Álvarez M, de la Pompa JL. Cooperative Response to Endocardial Notch Reveals Interaction With Hippo Pathway. Circ Res 2023; 133:1022-1039. [PMID: 37961886 PMCID: PMC10699509 DOI: 10.1161/circresaha.123.323474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND The endocardium is a crucial signaling center for cardiac valve development and maturation. Genetic analysis has identified several human endocardial genes whose inactivation leads to bicuspid aortic valve formation and calcific aortic valve disease, but knowledge is very limited about the role played in valve development and disease by noncoding endocardial regulatory regions and upstream factors. METHODS We manipulated Notch signaling in mouse embryonic endocardial cells by short-term and long-term coculture with OP9 stromal cells expressing Notch ligands and inhibition of Notch activity. We examined the transcriptional profile and chromatin accessibility landscape for each condition, integrated transcriptomic, transcription factor occupancy, chromatin accessibility, and proteomic datasets. We generated in vitro and in vivo models with CRISPR-Cas9-edited deletions of various noncoding regulatory elements and validated their regulatory potential. RESULTS We identified primary and secondary transcriptional responses to Notch ligands in the mouse embryonic endocardium, and a NOTCH-dependent transcriptional signature in valve development and disease. By defining the changes in the chromatin accessibility landscape and integrating with the landscape in developing mouse endocardium and adult human valves, we identify potential noncoding regulatory elements, validated selected candidates, propose interacting cofactors, and define the timeframe of their regulatory activity. Additionally, we found cooperative transcriptional repression with Hippo pathway by inhibiting nuclear Yap (Yes-associated protein) activity in the endocardium during cardiac valve development. CONCLUSIONS Sequential Notch-dependent transcriptional regulation in the embryonic endocardium involves multiple factors. Notch activates certain noncoding elements through these factors and simultaneously suppresses elements that could hinder cardiac valve development and homeostasis. Biorxviv: https://www.biorxiv.org/content/10.1101/2023.03.23.533882v1.full.
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Affiliation(s)
- Luis Luna-Zurita
- Intercellular Signaling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
- Ciber CV, Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
| | - Brenda Giselle Flores-Garza
- Intercellular Signaling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
- Ciber CV, Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
| | - Dimitrios Grivas
- Intercellular Signaling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
- Ciber CV, Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
- Developmental Biology, Centre for Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Greece (D.G.)
| | - Marcos Siguero-Álvarez
- Intercellular Signaling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
- Ciber CV, Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
| | - José Luis de la Pompa
- Intercellular Signaling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
- Ciber CV, Madrid, Spain (L.L.-Z., B.G.F.-G., D.G., M.S.-A., J.L.d.l.P.)
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10
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McCracken IR, Baker AH, Smart N, De Val S. Transcriptional regulators of arterial and venous identity in the developing mammalian embryo. CURRENT OPINION IN PHYSIOLOGY 2023; 35:None. [PMID: 38328689 PMCID: PMC10844100 DOI: 10.1016/j.cophys.2023.100691] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
The complex and hierarchical vascular network of arteries, veins, and capillaries features considerable endothelial heterogeneity, yet the regulatory pathways directing arteriovenous specification, differentiation, and identity are still not fully understood. Recent advances in analysis of endothelial-specific gene-regulatory elements, single-cell RNA sequencing, and cell lineage tracing have both emphasized the importance of transcriptional regulation in this process and shed considerable light on the mechanism and regulation of specification within the endothelium. In this review, we discuss recent advances in our understanding of how endothelial cells acquire arterial and venous identity and the role different transcription factors play in this process.
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Affiliation(s)
- Ian R McCracken
- Institute of Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX3 7TY, United Kingdom
- Centre for Cardiovascular Science, University of Edinburgh, Edinburgh EH16 4TJ, United Kingdom
| | - Andrew H Baker
- Centre for Cardiovascular Science, University of Edinburgh, Edinburgh EH16 4TJ, United Kingdom
| | - Nicola Smart
- Institute of Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX3 7TY, United Kingdom
| | - Sarah De Val
- Institute of Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX3 7TY, United Kingdom
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11
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Ristori T, Thuret R, Hooker E, Quicke P, Lanthier K, Ntumba K, Aspalter IM, Uroz M, Herbert SP, Chen CS, Larrivée B, Bentley K. Bmp9 regulates Notch signaling and the temporal dynamics of angiogenesis via Lunatic Fringe. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.25.557123. [PMID: 37808725 PMCID: PMC10557600 DOI: 10.1101/2023.09.25.557123] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
In brief The mechanisms regulating the signaling pathways involved in angiogenesis are not fully known. Ristori et al. show that Lunatic Fringe (LFng) mediates the crosstalk between Bone Morphogenic Protein 9 (Bmp9) and Notch signaling, thereby regulating the endothelial cell behavior and temporal dynamics of their identity during sprouting angiogenesis. Highlights Bmp9 upregulates the expression of LFng in endothelial cells.LFng regulates the temporal dynamics of tip/stalk selection and rearrangement.LFng indicated to play a role in hereditary hemorrhagic telangiectasia.Bmp9 and LFng mediate the endothelial cell-pericyte crosstalk.Bone Morphogenic Protein 9 (Bmp9), whose signaling through Activin receptor-like kinase 1 (Alk1) is involved in several diseases, has been shown to independently activate Notch target genes in an additive fashion with canonical Notch signaling. Here, by integrating predictive computational modeling validated with experiments, we uncover that Bmp9 upregulates Lunatic Fringe (LFng) in endothelial cells (ECs), and thereby also regulates Notch activity in an inter-dependent, multiplicative fashion. Specifically, the Bmp9-upregulated LFng enhances Notch receptor activity creating a much stronger effect when Dll4 ligands are also present. During sprouting, this LFng regulation alters vessel branching by modulating the timing of EC phenotype selection and rearrangement. Our results further indicate that LFng can play a role in Bmp9-related diseases and in pericyte-driven vessel stabilization, since we find LFng contributes to Jag1 upregulation in Bmp9-stimulated ECs; thus, Bmp9-upregulated LFng results in not only enhanced EC Dll4-Notch1 activation, but also Jag1-Notch3 activation in pericytes.
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12
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Purwin TJ, Caksa S, Sacan A, Capparelli C, Aplin AE. Gene signature reveals decreased SOX10-dependent transcripts in malignant cells from immune checkpoint inhibitor-resistant cutaneous melanomas. iScience 2023; 26:107472. [PMID: 37636077 PMCID: PMC10450419 DOI: 10.1016/j.isci.2023.107472] [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: 02/16/2023] [Revised: 06/18/2023] [Accepted: 07/21/2023] [Indexed: 08/29/2023] Open
Abstract
Evidence is mounting for cross-resistance between immune checkpoint and targeted kinase inhibitor therapies in cutaneous melanoma patients. Since the loss of the transcription factor, SOX10, causes tolerance to MAPK pathway inhibitors, we used bioinformatic techniques to determine if reduced SOX10 expression/activity is associated with immune checkpoint inhibitor resistance. We integrated SOX10 ChIP-seq, knockout RNA-seq, and knockdown ATAC-seq data from melanoma cell models to develop a robust SOX10 gene signature. We used computational methods to validate this signature as a measure of SOX10-dependent activity in independent single-cell and bulk RNA-seq SOX10 knockdown, cell line panel, and MAPK inhibitor drug-resistant datasets. Evaluation of patient single-cell RNA-seq data revealed lower levels of SOX10-dependent transcripts in immune checkpoint inhibitor-resistant tumors. Our results suggest that SOX10-deficient melanoma cells are associated with cross-resistance between targeted and immune checkpoint inhibitors and highlight the need to identify therapeutic strategies that target this subpopulation.
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Affiliation(s)
- Timothy J. Purwin
- Department of Pharmacology, Physiology, and Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA
| | - Signe Caksa
- Department of Pharmacology, Physiology, and Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Ahmet Sacan
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, USA
| | - Claudia Capparelli
- Medical Oncology, Thomas Jefferson University, Philadelphia, PA 19107, USA
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Andrew E. Aplin
- Department of Pharmacology, Physiology, and Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA 19107, USA
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13
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Jatzlau J, Mendez PL, Altay A, Raaz L, Zhang Y, Mähr S, Sesver A, Reichenbach M, Mundlos S, Vingron M, Knaus P. Fluid shear stress-modulated chromatin accessibility reveals the mechano-dependency of endothelial SMAD1/5-mediated gene transcription. iScience 2023; 26:107405. [PMID: 37680470 PMCID: PMC10481294 DOI: 10.1016/j.isci.2023.107405] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 04/20/2023] [Accepted: 07/12/2023] [Indexed: 09/09/2023] Open
Abstract
Bone morphogenetic protein (BMP) signaling and fluid shear stress (FSS) mediate complementary functions in vascular homeostasis and disease development. It remains to be shown whether altered chromatin accessibility downstream of BMP and FSS offers a crosstalk level to explain changes in SMAD-dependent transcription. Here, we employed ATAC-seq to analyze arterial endothelial cells stimulated with BMP9 and/or FSS. We found that BMP9-sensitive regions harbor non-palindromic GC-rich SMAD-binding elements (GGCTCC) and 69.7% of these regions become BMP-insensitive in the presence of FSS. While GATA and KLF transcription factor (TF) motifs are unique to BMP9- and FSS-sensitive regions, respectively, SOX motifs are common to both. Finally, we show that both SOX(13/18) and GATA(2/3/6) family members are directly upregulated by SMAD1/5. These findings highlight the mechano-dependency of SMAD-signaling by a sequential mechanism of first elevated pioneer TF expression, allowing subsequent chromatin opening to eventually providing accessibility to novel SMAD binding sites.
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Affiliation(s)
- Jerome Jatzlau
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies (BSRT), 13353 Berlin, Germany
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Paul-Lennard Mendez
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
- International Max-Planck Research School for Biology AND Computation (IMPRS-BAC), 14195 Berlin, Germany
| | - Aybuge Altay
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Lion Raaz
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
- International Max-Planck Research School for Biology AND Computation (IMPRS-BAC), 14195 Berlin, Germany
- Institute of Medical and Human Genetics, Charité Universitätsmedizin, 13353 Berlin, Germany
| | - Yufei Zhang
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Sophia Mähr
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Akin Sesver
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Maria Reichenbach
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
| | - Stefan Mundlos
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
- International Max-Planck Research School for Biology AND Computation (IMPRS-BAC), 14195 Berlin, Germany
- Institute of Medical and Human Genetics, Charité Universitätsmedizin, 13353 Berlin, Germany
| | - Martin Vingron
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
- International Max-Planck Research School for Biology AND Computation (IMPRS-BAC), 14195 Berlin, Germany
| | - Petra Knaus
- Institute of Chemistry and Biochemistry - Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies (BSRT), 13353 Berlin, Germany
- International Max-Planck Research School for Biology AND Computation (IMPRS-BAC), 14195 Berlin, Germany
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14
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Iwasa T, Urasaki A, Kakihana Y, Nagata-Akaho N, Harada Y, Takeda S, Kawamura T, Shiraishi I, Kurosaki K, Morisaki H, Yamada O, Nakagawa O. Computational and Experimental Analyses for Pathogenicity Prediction of ACVRL1 Missense Variants in Hereditary Hemorrhagic Telangiectasia. J Clin Med 2023; 12:5002. [PMID: 37568404 PMCID: PMC10419700 DOI: 10.3390/jcm12155002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
Hereditary hemorrhagic telangiectasia (HHT) is a vascular disease caused by the defects of ALK1/ACVRL1 receptor signaling. In this study, we evaluated 25 recently identified ACVRL1 missense variants using multiple computational pathogenicity classifiers and experimentally characterized their signal transduction capacity. Three extracellular residue variants showed no detectable cell surface expression and impairment of bone morphogenetic protein 9 (BMP9) responsiveness of SMAD-dependent transcription in luciferase assays. Four variants with amino acid replacement in the motifs essential for the intracellular kinase function lost SMAD-dependent signaling. Most of other variations in the kinase domain also caused marked downregulation of signaling; however, two variants behaved as the wild-type ACVRL1 did, while computational classifiers predicted their functional abnormalities. Three-dimensional structure prediction using the ColabFold program supported the significance of the L45 loop and NANDOR domain of ACVRL1 for its association with SMAD1 and BMPR2, respectively, and the variations in these motifs resulted in the reduction of SMAD signaling. On the other hand, two of the GS domain variants maintained high signal transduction capacity, which did not accord with their computational pathogenicity prediction. These results affirm the requirement of a combinatory approach using computational and experimental analyses to accurately predict the pathogenicity of ACVRL1 missense variants in the HHT patients.
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Affiliation(s)
- Toru Iwasa
- Department of Molecular Physiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan; (T.I.)
- Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan
| | - Akihiro Urasaki
- Department of Molecular Physiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan; (T.I.)
| | - Yuki Kakihana
- Department of Molecular Physiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan; (T.I.)
| | - Nami Nagata-Akaho
- Department of Molecular Physiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan; (T.I.)
| | - Yukihiro Harada
- Department of Molecular Physiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan; (T.I.)
- Laboratory of Stem Cell and Regenerative Medicine, Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, Shiga 525-8577, Japan
| | - Soichi Takeda
- Department of Advanced Medical Technologies, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan
| | - Teruhisa Kawamura
- Laboratory of Stem Cell and Regenerative Medicine, Department of Biomedical Sciences, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, Shiga 525-8577, Japan
| | - Isao Shiraishi
- Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan
| | - Kenichi Kurosaki
- Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan
| | - Hiroko Morisaki
- Department of Medical Genetics, Sakakibara Heart Institute, 3-16-1 Asahi-cho, Fuchu, Tokyo 183-0003, Japan
| | - Osamu Yamada
- Department of Pediatric Cardiology, National Cerebral and Cardiovascular Center, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan
| | - Osamu Nakagawa
- Department of Molecular Physiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan; (T.I.)
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15
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Zhong J, Tian L, Gou Y, Zhao P, Dong X, Guo M, Zhao G, Li A, Hao A, He TC, Fan J. BMP4 upregulates glycogen synthesis through the SMAD/SLC2A1 (GLUT1) signaling axis in hepatocellular carcinoma (HCC) cells. Cancer Metab 2023; 11:9. [PMID: 37443106 DOI: 10.1186/s40170-023-00310-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Excessive hepatic glycogen accumulation benefits tumorigenesis and cancer cell survival. We previously reported that BMP4 has the strongest ability to promote glycogenesis among the 14 BMPs in hepatocytes and augmented hepatocellular carcinoma (HCC) cell survival under hypoxia and hypoglycemia conditions by promoting the glycolysis pathway. However, the mechanism underlying BMP4's effect on glycogenesis in HCC remains elusive. METHODS The expression of BMP4 and SLC2A1 were acquired by analyzing the TCGA-LIHC dataset, as well as by immunohistochemical analysis of the 40 pairs of human HCC samples and para-tumor tissues. Gene expressions were detected by qPCR, immunoflurorescence staining, and Western blotting. Overexpression and silencing of BMP4 were accomplished through adenoviruses Ad-B4 and Ad-siB4 infection. Hepatic glycogen was detected by PAS staining. SLC2A1 (GLUT1) function was blocked by the inhibitor BAY-876. ChIP assay was used to determine the binding of SMADs to the promoter region of SLC2A1 in HCC cells. Lastly, the in vivo effect of BMP4-regulated SLC2A1 on HCC tumor growth was assessed in a xenograft model of HCC. RESULTS The elevated expression of BMP4 in HCC tumor tissues was highly correlated with hepatic glycogen accumulation in clinical samples. SLC2A1 was highly expressed in HCC tumor tissue and correlated with clinical stage and prognosis. Exogenous BMP4 augmented glycogen accumulation and upregulated the expression of glycogen synthesis-related genes in Huh7 and HepG2 cells, both of which were effectively blunted by SLC2A1inhibitor BAY-876. In mechanism, BMP4 activated SMAD5 to regulate the promoter of SLC2A1to enhance its expression. The in vivo xenograft experiments revealed that BMP4 promoted glycogen accumulation and tumor growth, which were effectively diminished by BAY-876. CONCLUSION These results demonstrate that BMP4 upregulates glycogen synthesis through the SMAD/SLC2A1 (GLUT1) signaling axis in HCC cells, which may be exploited as novel therapeutic targets for HCC treatment.
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Affiliation(s)
- Jiamin Zhong
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, 5841 South Maryland Avenue, MC 3079, Chicago, IL, 60637, USA
| | - Luyao Tian
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
| | - Yannian Gou
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, 5841 South Maryland Avenue, MC 3079, Chicago, IL, 60637, USA
| | - Piao Zhao
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, 5841 South Maryland Avenue, MC 3079, Chicago, IL, 60637, USA
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Xiangyu Dong
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
| | - Meichun Guo
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
| | - Guozhi Zhao
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, 5841 South Maryland Avenue, MC 3079, Chicago, IL, 60637, USA
- Department of Urology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Aohua Li
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
| | - Ailing Hao
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, 5841 South Maryland Avenue, MC 3079, Chicago, IL, 60637, USA.
| | - Jiaming Fan
- Ministry of Education Key Laboratory of Diagnostic Medicine, Chongqing, China.
- Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical University, No. 1 Medical School Road, Yuzhong District, Chongqing, 400016, China.
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16
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Patsouras M, Alexopoulou E, Foutadakis S, Tsiki E, Karagianni P, Agelopoulos M, Vlachoyiannopoulos PG. Antiphospholipid antibodies induce proinflammatory and procoagulant pathways in endothelial cells. J Transl Autoimmun 2023; 6:100202. [PMID: 37216142 PMCID: PMC10197110 DOI: 10.1016/j.jtauto.2023.100202] [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: 08/30/2022] [Revised: 03/01/2023] [Accepted: 04/30/2023] [Indexed: 05/24/2023] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune thrombophilia characterized by recurrent thrombotic events and/or pregnancy morbidity in the presence of antiphospholipid antibodies detected either as anti-cardiolipin, anti-β2 Glycoprotein I (anti-β2GPI) or Lupus anticoagulant (LA). Endothelial deregulation characterizes the syndrome. To address gene expression changes accompanying the development of autoimmune phenotype in endothelial cells in the context of APS, we performed transcriptomics analysis in Human Umbilical Vein Endothelial Cells (HUVECs) stimulated with IgG from APS patients and β2GPI, followed by intersection of RNA-seq data with published microarray and ChIP-seq results (Chromatin Immunoprecipitation). Our strategy revealed that during HUVEC activation diverse signaling pathways such as TNF-α, TGF-β, MAPK38, and Hippo are triggered as indicated by Gene Ontology (GO) classification and pathway analysis. Finally, cell biology approaches performed side-by-side in naïve and stimulated cultured HUVECs, as well as, in placenta specimens derived from Healthy donors (HDs) and APS-patients verified the evolution of an APS-characteristic gene expression program in endothelial cells during the initial stages of the disease's development.
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Affiliation(s)
- Markos Patsouras
- Department of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Greece
| | - Eirini Alexopoulou
- Department of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Greece
| | - Spyros Foutadakis
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, Athens, 11527, Greece
| | - Eirini Tsiki
- Department of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Greece
| | - Panagiota Karagianni
- Department of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Greece
| | - Marios Agelopoulos
- Center of Basic Research, Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, Athens, 11527, Greece
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17
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Wang Y, Gan Y, Dong Y, Zhou J, Zhu E, Yuan H, Li X, Wang B. Tax1 binding protein 3 regulates osteogenic and adipogenic differentiation through inactivating Wnt/β-catenin signalling. J Cell Mol Med 2023; 27:950-961. [PMID: 36892460 PMCID: PMC10064035 DOI: 10.1111/jcmm.17702] [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: 09/21/2021] [Revised: 02/09/2023] [Accepted: 02/15/2023] [Indexed: 03/10/2023] Open
Abstract
Tax1 binding protein 3 (Tax1bp3) is a PDZ domain-containing protein that is overexpressed in cancer. Previous studies recognized Tax1bp3 as an inhibitor of β-catenin. Till now it is not known whether Tax1bp3 regulates osteogenic and adipogenic differentiation of mesenchymal progenitor cells. In the current study, the data showed that Tax1bp3 was expressed in bone and was increased in the progenitor cells when induced toward osteoblast and adipocyte differentiation. The overexpression of Tax1bp3 in the progenitor cells inhibited osteogenic differentiation and conversely stimulated adipogenic differentiation, and the knockdown of Tax1bp3 affected the differentiation of the progenitor cells oppositely. Ex vivo experiments using the primary calvarial osteoblasts from osteoblast-specific Tax1bp3 knock-in mice also demonstrated the anti-osteogenic and pro-adipogenic function of Tax1bp3. Mechanistic investigations revealed that Tax1bp3 inhibited the activation of canonical Wnt/β-catenin and bone morphogenetic proteins (BMPs)/Smads signalling pathways. Taken together, the current study has provided evidences demonstrating that Tax1bp3 inactivates Wnt/β-catenin and BMPs/Smads signalling pathways and reciprocally regulates osteogenic and adipogenic differentiation from mesenchymal progenitor cells. The inactivation of Wnt/β-catenin signalling may be involved in the reciprocal role of Tax1bp3.
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Affiliation(s)
- Yi Wang
- NHC Key Lab of Hormones and Development, Tianjin Key Lab of Metabolic Diseases, Chu Hsien‐I Memorial Hospital & Institute of EndocrinologyTianjin Medical UniversityTianjinChina
| | - Ying Gan
- NHC Key Lab of Hormones and Development, Tianjin Key Lab of Metabolic Diseases, Chu Hsien‐I Memorial Hospital & Institute of EndocrinologyTianjin Medical UniversityTianjinChina
| | - Yuan Dong
- College of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Jie Zhou
- NHC Key Lab of Hormones and Development, Tianjin Key Lab of Metabolic Diseases, Chu Hsien‐I Memorial Hospital & Institute of EndocrinologyTianjin Medical UniversityTianjinChina
| | - Endong Zhu
- NHC Key Lab of Hormones and Development, Tianjin Key Lab of Metabolic Diseases, Chu Hsien‐I Memorial Hospital & Institute of EndocrinologyTianjin Medical UniversityTianjinChina
| | - Hairui Yuan
- NHC Key Lab of Hormones and Development, Tianjin Key Lab of Metabolic Diseases, Chu Hsien‐I Memorial Hospital & Institute of EndocrinologyTianjin Medical UniversityTianjinChina
| | - Xiaoxia Li
- College of Basic Medical SciencesTianjin Medical UniversityTianjinChina
| | - Baoli Wang
- NHC Key Lab of Hormones and Development, Tianjin Key Lab of Metabolic Diseases, Chu Hsien‐I Memorial Hospital & Institute of EndocrinologyTianjin Medical UniversityTianjinChina
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18
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Greaney AM, Raredon MSB, Kochugaeva MP, Niklason LE, Levchenko A. SARS-CoV-2 leverages airway epithelial protective mechanism for viral infection. iScience 2023; 26:106175. [PMID: 36788793 PMCID: PMC9912025 DOI: 10.1016/j.isci.2023.106175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 01/05/2023] [Accepted: 02/03/2023] [Indexed: 02/12/2023] Open
Abstract
Despite much concerted effort to better understand severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral infection, relatively little is known about the dynamics of early viral entry and infection in the airway. Here we analyzed a single-cell RNA sequencing dataset of early SARS-CoV-2 infection in a humanized in vitro model, to elucidate key mechanisms by which the virus triggers a cell-systems-level response in the bronchial epithelium. We find that SARS-CoV-2 virus preferentially enters the tissue via ciliated cell precursors, giving rise to a population of infected mature ciliated cells, which signal to basal cells, inducing further rapid differentiation. This feedforward loop of infection is mitigated by further cell-cell communication, before interferon signaling begins at three days post-infection. These findings suggest hijacking by the virus of potentially beneficial tissue repair mechanisms, possibly exacerbating the outcome. This work both elucidates the interplay between barrier tissues and viral infections and may suggest alternative therapeutic approaches targeting non-immune response mechanisms.
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Affiliation(s)
- Allison Marie Greaney
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT 06511, USA
| | - Micha Sam Brickman Raredon
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT 06511, USA
- Medical Scientist Training Program, Yale University, New Haven, CT 06511, USA
| | - Maria P. Kochugaeva
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
- Yale Systems Biology Institute, Yale University, West Haven, CT 06516, USA
| | - Laura E. Niklason
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
- Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, CT 06511, USA
- Department of Anesthesiology, Yale School of Medicine, New Haven, CT 06510, USA
- Humacyte Inc., Durham, NC 27713, USA
| | - Andre Levchenko
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511, USA
- Yale Systems Biology Institute, Yale University, West Haven, CT 06516, USA
- Corresponding author
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19
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Birkhoff JC, Korporaal AL, Brouwer RWW, Nowosad K, Milazzo C, Mouratidou L, van den Hout MCGN, van IJcken WFJ, Huylebroeck D, Conidi A. Zeb2 DNA-Binding Sites in Neuroprogenitor Cells Reveal Autoregulation and Affirm Neurodevelopmental Defects, Including in Mowat-Wilson Syndrome. Genes (Basel) 2023; 14:genes14030629. [PMID: 36980900 PMCID: PMC10048071 DOI: 10.3390/genes14030629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 02/16/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Functional perturbation and action mechanism studies have shown that the transcription factor Zeb2 controls cell fate decisions, differentiation, and/or maturation in multiple cell lineages in embryos and after birth. In cultured embryonic stem cells (ESCs), Zeb2’s mRNA/protein upregulation is necessary for the exit from primed pluripotency and for entering general and neural differentiation. We edited mouse ESCs to produce Flag-V5 epitope-tagged Zeb2 protein from one endogenous allele. Using chromatin immunoprecipitation coupled with sequencing (ChIP-seq), we mapped 2432 DNA-binding sites for this tagged Zeb2 in ESC-derived neuroprogenitor cells (NPCs). A new, major binding site maps promoter-proximal to Zeb2 itself. The homozygous deletion of this site demonstrates that autoregulation of Zeb2 is necessary to elicit the appropriate Zeb2-dependent effects in ESC-to-NPC differentiation. We have also cross-referenced all the mapped Zeb2 binding sites with previously obtained transcriptome data from Zeb2 perturbations in ESC-derived NPCs, GABAergic interneurons from the ventral forebrain of mouse embryos, and stem/progenitor cells from the post-natal ventricular-subventricular zone (V-SVZ) in mouse forebrain, respectively. Despite the different characteristics of each of these neurogenic systems, we found interesting target gene overlaps. In addition, our study also contributes to explaining developmental disorders, including Mowat-Wilson syndrome caused by ZEB2 deficiency, and also other monogenic syndromes.
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Affiliation(s)
- Judith C. Birkhoff
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Anne L. Korporaal
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Rutger W. W. Brouwer
- Center for Biomics-Genomics, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Karol Nowosad
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Department of Biochemistry and Molecular Biology, Medical University of Lublin, 20-093 Lublin, Poland
- The Postgraduate School of Molecular Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Claudia Milazzo
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Lidia Mouratidou
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | | | - Wilfred F. J. van IJcken
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Center for Biomics-Genomics, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Danny Huylebroeck
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Andrea Conidi
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Correspondence: ; Tel.: +31-10-7043169
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20
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Mizoguchi T, Mikami S, Yatou M, Kondo Y, Omaru S, Kuwabara S, Okura W, Noda S, Tenno T, Hiroaki H, Itoh M. Small-Molecule-Mediated Suppression of BMP Signaling by Selective Inhibition of BMP1-Dependent Chordin Cleavage. Int J Mol Sci 2023; 24:4313. [PMID: 36901744 PMCID: PMC10001940 DOI: 10.3390/ijms24054313] [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: 01/20/2023] [Revised: 02/09/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
BMP signaling is critical for many biological processes. Therefore, small molecules that modulate BMP signaling are useful for elucidating the function of BMP signaling and treating BMP signaling-related diseases. Here, we performed a phenotypic screening in zebrafish to examine the in vivo effects of N-substituted-2-amino-benzoic acid analogs NPL1010 and NPL3008 and found that they affect BMP signaling-dependent dorsal-ventral (D-V) patterning and bone formation in zebrafish embryos. Furthermore, NPL1010 and NPL3008 suppressed BMP signaling upstream of BMP receptors. BMP1 cleaves Chordin, an antagonist of BMP, and negatively regulates BMP signaling. Docking simulations demonstrated that NPL1010 and NPL3008 bind BMP1. We found that NPL1010 and NPL3008 partially rescued the disruptions in the D-V phenotype caused by bmp1 overexpression and selectively inhibited BMP1-dependent Chordin cleavage. Therefore, NPL1010 and NPL3008 are potentially valuable inhibitors of BMP signaling that act through selective inhibition of Chordin cleavage.
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Affiliation(s)
- Takamasa Mizoguchi
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shohei Mikami
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Mari Yatou
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Yui Kondo
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shuhei Omaru
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shuhei Kuwabara
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Wataru Okura
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Syouta Noda
- Graduate School of Pharmaceutical Sciences, Nagoya University, Furocho, Chikusa, Nagoya 464-8601, Aichi, Japan
| | - Takeshi Tenno
- Graduate School of Pharmaceutical Sciences, Nagoya University, Furocho, Chikusa, Nagoya 464-8601, Aichi, Japan
- BeCerllBar, LLC., Business Incubation Building, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8601, Aichi, Japan
| | - Hidekazu Hiroaki
- Graduate School of Pharmaceutical Sciences, Nagoya University, Furocho, Chikusa, Nagoya 464-8601, Aichi, Japan
- BeCerllBar, LLC., Business Incubation Building, Nagoya University, Furocho, Chikusa-ku, Nagoya 464-8601, Aichi, Japan
- Department of Biological Sciences, Faculty of Science, Nagoya University, Furocho, Chikusa, Nagoya 464-8602, Aichi, Japan
| | - Motoyuki Itoh
- Graduate School of Pharmaceutical Science, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
- Research Institute of Disaster Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
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21
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Ryu YC, Park J, Kim YR, Choi S, Kim GU, Kim E, Hwang Y, Kim H, Han G, Lee SH, Choi KY. CXXC5 Mediates DHT-Induced Androgenetic Alopecia via PGD 2. Cells 2023; 12:cells12040555. [PMID: 36831222 PMCID: PMC9954685 DOI: 10.3390/cells12040555] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/05/2023] [Accepted: 02/08/2023] [Indexed: 02/11/2023] Open
Abstract
The number of people suffering from hair loss is increasing, and hair loss occurs not only in older men but also in women and young people. Prostaglandin D2 (PGD2) is a well-known alopecia inducer. However, the mechanism by which PGD2 induces alopecia is poorly understood. In this study, we characterized CXXC5, a negative regulator of the Wnt/β-catenin pathway, as a mediator for hair loss by PGD2. The hair loss by PGD2 was restored by Cxxc5 knock-out or treatment of protein transduction domain-Dishevelled binding motif (PTD-DBM), a peptide activating the Wnt/β-catenin pathway via interference with the Dishevelled (Dvl) binding function of CXXC5. In addition, suppression of neogenic hair growth by PGD2 was also overcome by PTD-DBM treatment or Cxxc5 knock-out as shown by the wound-induced hair neogenesis (WIHN) model. Moreover, we found that CXXC5 also mediates DHT-induced hair loss via PGD2. DHT-induced hair loss was alleviated by inhibition of both GSK-3β and CXXC5 functions. Overall, CXXC5 mediates the hair loss by the DHT-PGD2 axis through suppression of Wnt/β-catenin signaling.
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Affiliation(s)
- Yeong Chan Ryu
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Jiyeon Park
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - You-Rin Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Sehee Choi
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Geon-Uk Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Eunhwan Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Yumi Hwang
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Heejene Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Gyoonhee Han
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Soung-Hoon Lee
- CK Regeon Inc., B137 Engineering Research Park, 50 Yonsei Ro, Seoul 03722, Republic of Korea
| | - Kang-Yell Choi
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
- CK Regeon Inc., B137 Engineering Research Park, 50 Yonsei Ro, Seoul 03722, Republic of Korea
- Correspondence:
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22
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Geng Z, Wang Q, Miao W, Wolf T, Chavez J, Giddings E, Hobbs R, DeGraff DJ, Wang Y, Stafford J, Gao Z. AUTS2 Controls Neuronal Lineage Choice Through a Novel PRC1-Independent Complex and BMP Inhibition. Stem Cell Rev Rep 2023; 19:531-549. [PMID: 36258139 PMCID: PMC9905272 DOI: 10.1007/s12015-022-10459-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 02/07/2023]
Abstract
Despite a prominent risk factor for Neurodevelopmental disorders (NDD), it remains unclear how Autism Susceptibility Candidate 2 (AUTS2) controls the neurodevelopmental program. Our studies investigated the role of AUTS2 in neuronal differentiation and discovered that AUTS2, together with WDR68 and SKI, forms a novel protein complex (AWS) specifically in neuronal progenitors and promotes neuronal differentiation through inhibiting BMP signaling. Genomic and biochemical analyses demonstrated that the AWS complex achieves this effect by recruiting the CUL4 E3 ubiquitin ligase complex to mediate poly-ubiquitination and subsequent proteasomal degradation of phosphorylated SMAD1/5/9. Furthermore, using primary cortical neurons, we observed aberrant BMP signaling and dysregulated expression of neuronal genes upon manipulating the AWS complex, indicating that the AWS-CUL4-BMP axis plays a role in regulating neuronal lineage specification in vivo. Thus, our findings uncover a sophisticated cellular signaling network mobilized by a prominent NDD risk factor, presenting multiple potential therapeutic targets for NDD.
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Affiliation(s)
- Zhuangzhuang Geng
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Qiang Wang
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Weili Miao
- Department of Chemistry, University of California at Riverside, Riverside, CA, 92521, USA
| | - Trevor Wolf
- Department of Neurological Sciences, Larner College of Medicine, University of Vermont, Burlington, VT, 05405, USA
| | - Jessenia Chavez
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - Emily Giddings
- Department of Neurological Sciences, Larner College of Medicine, University of Vermont, Burlington, VT, 05405, USA
| | - Ryan Hobbs
- Department of Dermatology, Penn State College of Medicine, Hershey, PA, 17033, USA
| | - David J DeGraff
- Department of Pathology and Laboratory Medicine, Penn State College of Medicine, Hershey, PA, 17033, USA
- Penn State Hershey Cancer Institute, Hershey, PA, 17033, USA
| | - Yinsheng Wang
- Department of Chemistry, University of California at Riverside, Riverside, CA, 92521, USA
| | - James Stafford
- Department of Neurological Sciences, Larner College of Medicine, University of Vermont, Burlington, VT, 05405, USA
| | - Zhonghua Gao
- Departments of Biochemistry and Molecular Biology, Penn State College of Medicine, Hershey, PA, 17033, USA.
- Penn State Hershey Cancer Institute, Hershey, PA, 17033, USA.
- The Stem Cell and Regenerative Biology Program, Penn State College of Medicine, Hershey, PA, 17033, USA.
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23
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Ye D, Liu Y, Pan H, Feng Y, Lu X, Gan L, Wan J, Ye J. Insights into bone morphogenetic proteins in cardiovascular diseases. Front Pharmacol 2023; 14:1125642. [PMID: 36909186 PMCID: PMC9996008 DOI: 10.3389/fphar.2023.1125642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
Bone morphogenetic proteins (BMPs) are secretory proteins belonging to the transforming growth factor-β (TGF-β) superfamily. These proteins play important roles in embryogenesis, bone morphogenesis, blood vessel remodeling and the development of various organs. In recent years, as research has progressed, BMPs have been found to be closely related to cardiovascular diseases, especially atherosclerosis, vascular calcification, cardiac remodeling, pulmonary arterial hypertension (PAH) and hereditary hemorrhagic telangiectasia (HHT). In this review, we summarized the potential roles and related mechanisms of the BMP family in the cardiovascular system and focused on atherosclerosis and PAH.
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Affiliation(s)
- Di Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yinghui Liu
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Heng Pan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Yongqi Feng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Xiyi Lu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Liren Gan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jun Wan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
| | - Jing Ye
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.,Cardiovascular Research Institute, Wuhan University, Wuhan, China.,Hubei Key Laboratory of Cardiology, Wuhan, China
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24
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CLIMB: High-dimensional association detection in large scale genomic data. Nat Commun 2022; 13:6874. [PMID: 36371401 PMCID: PMC9653391 DOI: 10.1038/s41467-022-34360-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 10/21/2022] [Indexed: 11/14/2022] Open
Abstract
Joint analyses of genomic datasets obtained in multiple different conditions are essential for understanding the biological mechanism that drives tissue-specificity and cell differentiation, but they still remain computationally challenging. To address this we introduce CLIMB (Composite LIkelihood eMpirical Bayes), a statistical methodology that learns patterns of condition-specificity present in genomic data. CLIMB provides a generic framework facilitating a host of analyses, such as clustering genomic features sharing similar condition-specific patterns and identifying which of these features are involved in cell fate commitment. We apply CLIMB to three sets of hematopoietic data, which examine CTCF ChIP-seq measured in 17 different cell populations, RNA-seq measured across constituent cell populations in three committed lineages, and DNase-seq in 38 cell populations. Our results show that CLIMB improves upon existing alternatives in statistical precision, while capturing interpretable and biologically relevant clusters in the data.
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25
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Yeo Y, Jeong H, Kim M, Choi Y, Kim KL, Suh W. Crosstalk between BMP signaling and KCNK3 in phenotypic switching of pulmonary vascular smooth muscle cells. BMB Rep 2022; 55:565-570. [PMID: 36016502 PMCID: PMC9712703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/11/2022] [Accepted: 08/12/2022] [Indexed: 12/14/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive and devastating disease whose pathogenesis is associated with a phenotypic switch of pulmonary arterial vascular smooth muscle cells (PASMCs). Bone morphogenetic protein (BMP) signaling and potassium two pore domain channel subfamily K member 3 (KCNK3) play crucial roles in PAH pathogenesis. However, the relationship between BMP signaling and KCNK3 expression in the PASMC phenotypic switching process has not been studied. In this study, we explored the effect of BMPs on KCNK3 expression and the role of KCNK3 in the BMP-mediated PASMC phenotypic switch. Expression levels of BMP receptor 2 (BMPR2) and KCNK3 were downregulated in PASMCs of rats with PAH compared to those in normal controls, implying a possible association between BMP/BMPR2 signaling and KCNK3 expression in the pulmonary vasculature. Treatment with BMP2, BMP4, and BMP7 significantly increased KCNK3 expression in primary human PASMCs (HPASMCs). BMPR2 knockdown and treatment with Smad1/5 signaling inhibitor substantially abrogated the BMP-induced increase in KCNK3 expression, suggesting that KCNK3 expression in HPASMCs is regulated by the canonical BMP-BMPR2-Smad1/5 signaling pathway. Furthermore, KCNK3 knockdown and treatment with a KCNK3 channel blocker completely blocked BMP-mediated anti-proliferation and expression of contractile marker genes in HPAMSCs, suggesting that the expression and functional activity of KCNK3 are required for BMP-mediated acquisition of the quiescent PASMC phenotype. Overall, our findings show a crosstalk between BMP signaling and KCNK3 in regulating the PASMC phenotype, wherein BMPs upregulate KCNK3 expression and KCNK3 then mediates BMP-induced phenotypic switching of PASMCs. Our results indicate that the dysfunction and/or downregulation of BMPR2 and KCNK3 observed in PAH work together to induce aberrant changes in the PASMC phenotype, providing insights into the complex molecular pathogenesis of PAH. [BMB Reports 2022; 55(11): 565-570].
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Affiliation(s)
- Yeongju Yeo
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Hayoung Jeong
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Minju Kim
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Yanghee Choi
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Koung Li Kim
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Wonhee Suh
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
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26
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Yeo Y, Jeong H, Kim M, Choi Y, Kim KL, Suh W. Crosstalk between BMP signaling and KCNK3 in phenotypic switching of pulmonary vascular smooth muscle cells. BMB Rep 2022; 55:565-570. [PMID: 36016502 PMCID: PMC9712703 DOI: 10.5483/bmbrep.2022.55.11.098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/11/2022] [Accepted: 08/12/2022] [Indexed: 02/18/2024] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive and devastating disease whose pathogenesis is associated with a phenotypic switch of pulmonary arterial vascular smooth muscle cells (PASMCs). Bone morphogenetic protein (BMP) signaling and potassium two pore domain channel subfamily K member 3 (KCNK3) play crucial roles in PAH pathogenesis. However, the relationship between BMP signaling and KCNK3 expression in the PASMC phenotypic switching process has not been studied. In this study, we explored the effect of BMPs on KCNK3 expression and the role of KCNK3 in the BMP-mediated PASMC phenotypic switch. Expression levels of BMP receptor 2 (BMPR2) and KCNK3 were downregulated in PASMCs of rats with PAH compared to those in normal controls, implying a possible association between BMP/BMPR2 signaling and KCNK3 expression in the pulmonary vasculature. Treatment with BMP2, BMP4, and BMP7 significantly increased KCNK3 expression in primary human PASMCs (HPASMCs). BMPR2 knockdown and treatment with Smad1/5 signaling inhibitor substantially abrogated the BMP-induced increase in KCNK3 expression, suggesting that KCNK3 expression in HPASMCs is regulated by the canonical BMP-BMPR2-Smad1/5 signaling pathway. Furthermore, KCNK3 knockdown and treatment with a KCNK3 channel blocker completely blocked BMP-mediated anti-proliferation and expression of contractile marker genes in HPAMSCs, suggesting that the expression and functional activity of KCNK3 are required for BMP-mediated acquisition of the quiescent PASMC phenotype. Overall, our findings show a crosstalk between BMP signaling and KCNK3 in regulating the PASMC phenotype, wherein BMPs upregulate KCNK3 expression and KCNK3 then mediates BMP-induced phenotypic switching of PASMCs. Our results indicate that the dysfunction and/or downregulation of BMPR2 and KCNK3 observed in PAH work together to induce aberrant changes in the PASMC phenotype, providing insights into the complex molecular pathogenesis of PAH. [BMB Reports 2022; 55(11): 565-570].
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Affiliation(s)
- Yeongju Yeo
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Hayoung Jeong
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Minju Kim
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Yanghee Choi
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Koung Li Kim
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
| | - Wonhee Suh
- Department of Global Innovative Drug, The Graduate School of Chung-Ang University, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea
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27
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Mendez PL, Obendorf L, Jatzlau J, Burdzinski W, Reichenbach M, Nageswaran V, Haghikia A, Stangl V, Hiepen C, Knaus P. Atheroprone fluid shear stress-regulated ALK1-Endoglin-SMAD signaling originates from early endosomes. BMC Biol 2022; 20:210. [PMID: 36171573 PMCID: PMC9520843 DOI: 10.1186/s12915-022-01396-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Fluid shear stress enhances endothelial SMAD1/5 signaling via the BMP9-bound ALK1 receptor complex supported by the co-receptor Endoglin. While moderate SMAD1/5 activation is required to maintain endothelial quiescence, excessive SMAD1/5 signaling promotes endothelial dysfunction. Increased BMP signaling participates in endothelial-to-mesenchymal transition and inflammation culminating in vascular diseases such as atherosclerosis. While the function of Endoglin has so far been described under picomolar concentrations of BMP9 and short-term shear application, we investigated Endoglin under physiological BMP9 and long-term pathophysiological shear conditions. RESULTS We report here that knock-down of Endoglin leads to exacerbated SMAD1/5 phosphorylation and atheroprone gene expression profile in HUVECs sheared for 24 h. Making use of the ligand-trap ALK1-Fc, we furthermore show that this increase is dependent on BMP9/10. Mechanistically, we reveal that long-term exposure of ECs to low laminar shear stress leads to enhanced Endoglin expression and endocytosis of Endoglin in Caveolin-1-positive early endosomes. In these endosomes, we could localize the ALK1-Endoglin complex, labeled BMP9 as well as SMAD1, highlighting Caveolin-1 vesicles as a SMAD signaling compartment in cells exposed to low atheroprone laminar shear stress. CONCLUSIONS We identified Endoglin to be essential in preventing excessive activation of SMAD1/5 under physiological flow conditions and Caveolin-1-positive early endosomes as a new flow-regulated signaling compartment for BMP9-ALK1-Endoglin signaling axis in atheroprone flow conditions.
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Affiliation(s)
- Paul-Lennard Mendez
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany.,Max Planck Institute for Molecular Genetics, Berlin, Germany.,International Max-Planck Research School for Biology and Computation, Berlin, Germany
| | - Leon Obendorf
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany
| | - Jerome Jatzlau
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany
| | - Wiktor Burdzinski
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany.,Berlin School for Regenerative Therapies, Berlin, Germany
| | - Maria Reichenbach
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany
| | - Vanasa Nageswaran
- Charité-Universitätsmedizin Berlin, Klinik für Kardiologie, Campus Benjamin Franklin, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Arash Haghikia
- Charité-Universitätsmedizin Berlin, Klinik für Kardiologie, Campus Benjamin Franklin, Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany.,Charité-Universitätsmedizin Berlin, Medizinische Klinik für Kardiologie und Angiologie, Campus Mitte, Berlin, Germany
| | - Verena Stangl
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany
| | - Christian Hiepen
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany.,Faculty of Engineering and Natural Sciences, Westphalian University of Applied Sciences, Recklinghausen, Germany
| | - Petra Knaus
- Freie Universität Berlin, Institute for Chemistry and Biochemistry, Berlin, Germany. .,International Max-Planck Research School for Biology and Computation, Berlin, Germany. .,Berlin School for Regenerative Therapies, Berlin, Germany.
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28
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Rodgers BD, Ward CW. Myostatin/Activin Receptor Ligands in Muscle and the Development Status of Attenuating Drugs. Endocr Rev 2022; 43:329-365. [PMID: 34520530 PMCID: PMC8905337 DOI: 10.1210/endrev/bnab030] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Indexed: 02/07/2023]
Abstract
Muscle wasting disease indications are among the most debilitating and often deadly noncommunicable disease states. As a comorbidity, muscle wasting is associated with different neuromuscular diseases and myopathies, cancer, heart failure, chronic pulmonary and renal diseases, peripheral neuropathies, inflammatory disorders, and, of course, musculoskeletal injuries. Current treatment strategies are relatively ineffective and can at best only limit the rate of muscle degeneration. This includes nutritional supplementation and appetite stimulants as well as immunosuppressants capable of exacerbating muscle loss. Arguably, the most promising treatments in development attempt to disrupt myostatin and activin receptor signaling because these circulating factors are potent inhibitors of muscle growth and regulators of muscle progenitor cell differentiation. Indeed, several studies demonstrated the clinical potential of "inhibiting the inhibitors," increasing muscle cell protein synthesis, decreasing degradation, enhancing mitochondrial biogenesis, and preserving muscle function. Such changes can prevent muscle wasting in various disease animal models yet many drugs targeting this pathway failed during clinical trials, some from serious treatment-related adverse events and off-target interactions. More often, however, failures resulted from the inability to improve muscle function despite preserving muscle mass. Drugs still in development include antibodies and gene therapeutics, all with different targets and thus, safety, efficacy, and proposed use profiles. Each is unique in design and, if successful, could revolutionize the treatment of both acute and chronic muscle wasting. They could also be used in combination with other developing therapeutics for related muscle pathologies or even metabolic diseases.
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Affiliation(s)
| | - Christopher W Ward
- Department of Orthopedics and Center for Biomedical Engineering and Technology (BioMET), University of Maryland School of Medicine, Baltimore, MD, USA
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29
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Medina-Jover F, Riera-Mestre A, Viñals F. Rethinking growth factors: the case of BMP9 during vessel maturation. VASCULAR BIOLOGY (BRISTOL, ENGLAND) 2022; 4:R1-R14. [PMID: 35350597 PMCID: PMC8942324 DOI: 10.1530/vb-21-0019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 02/07/2022] [Indexed: 12/21/2022]
Abstract
Angiogenesis is an essential process for correct development and physiology. This mechanism is tightly regulated by many signals that activate several pathways, which are constantly interacting with each other. There is mounting evidence that BMP9/ALK1 pathway is essential for a correct vessel maturation. Alterations in this pathway lead to the development of hereditary haemorrhagic telangiectasias. However, little was known about the BMP9 signalling cascade until the last years. Recent reports have shown that while BMP9 arrests cell cycle, it promotes the activation of anabolic pathways to enhance endothelial maturation. In light of this evidence, a new criterion for the classification of cytokines is proposed here, based on the physiological objective of the activation of anabolic routes. Whether this activation by a growth factor is needed to sustain mitosis or to promote a specific function such as matrix formation is a critical characteristic that needs to be considered to classify growth factors. Hence, the state-of-the-art of BMP9/ALK1 signalling is reviewed here, as well as its implications in normal and pathogenic angiogenesis.
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Affiliation(s)
- Ferran Medina-Jover
- Program Against Cancer Therapeutic Resistance (ProCURE), Institut Català d’Oncologia, Hospital Duran i Reynals, L’Hospitalet de Llobregat, Barcelona, Spain
- Molecular Mechanisms and Experimental Therapy in Oncology Program (Oncobell), Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut (Campus de Bellvitge), Universitat de Barcelona, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Antoni Riera-Mestre
- Hereditary Hemorrhagic Telangiectasia Unit, Internal Medicine Department, Hospital Universitari de Bellvitge, L’Hospitalet de Llobregat, Barcelona, Spain
- Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- Faculty of Medicine and Health Sciences, Universitat de Barcelona, L’Hospitalet de Llobregat, Barcelona, Spain
| | - Francesc Viñals
- Program Against Cancer Therapeutic Resistance (ProCURE), Institut Català d’Oncologia, Hospital Duran i Reynals, L’Hospitalet de Llobregat, Barcelona, Spain
- Molecular Mechanisms and Experimental Therapy in Oncology Program (Oncobell), Institut d’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- Departament de Ciències Fisiològiques, Facultat de Medicina i Ciències de la Salut (Campus de Bellvitge), Universitat de Barcelona, L’Hospitalet de Llobregat, Barcelona, Spain
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30
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Greaney AM, Raredon MSB, Kochugaeva MP, Niklason LE, Levchenko A. SARS-CoV-2 leverages airway epithelial protective mechanism for viral infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.01.29.478335. [PMID: 35132420 PMCID: PMC8820667 DOI: 10.1101/2022.01.29.478335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Despite much concerted effort to better understand SARS-CoV-2 viral infection, relatively little is known about the dynamics of early viral entry and infection in the airway. Here we analyzed a single-cell RNA sequencing dataset of early SARS-CoV-2 infection in a humanized in vitro model, to elucidate key mechanisms by which the virus triggers a cell-systems-level response in the bronchial epithelium. We find that SARS-CoV-2 virus preferentially enters the tissue via ciliated cell precursors, giving rise to a population of infected mature ciliated cells, which signal to basal cells, inducing further rapid differentiation. This feed-forward loop of infection is mitigated by further cell-cell communication, before interferon signaling begins at three days post-infection. These findings suggest hijacking by the virus of potentially beneficial tissue repair mechanisms, possibly exacerbating the outcome. This work both elucidates the interplay between barrier tissues and viral infections, and may suggest alternative therapeutic approaches targeting non-immune response mechanisms.
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31
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Cate RL. Anti-Müllerian Hormone Signal Transduction involved in Müllerian Duct Regression. Front Endocrinol (Lausanne) 2022; 13:905324. [PMID: 35721723 PMCID: PMC9201060 DOI: 10.3389/fendo.2022.905324] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 05/02/2022] [Indexed: 11/13/2022] Open
Abstract
Over seventy years ago it was proposed that the fetal testis produces a hormone distinct from testosterone that is required for complete male sexual development. At the time the hormone had not yet been identified but was invoked by Alfred Jost to explain why the Müllerian duct, which develops into the female reproductive tract, regresses in the male fetus. That hormone, anti-Müllerian hormone (AMH), and its specific receptor, AMHR2, have now been extensively characterized and belong to the transforming growth factor-β families of protein ligands and receptors involved in growth and differentiation. Much is now known about the downstream events set in motion after AMH engages AMHR2 at the surface of specific Müllerian duct cells and initiates a cascade of molecular interactions that ultimately terminate in the nucleus as activated transcription factors. The signals generated by the AMH signaling pathway are then integrated with signals coming from other pathways and culminate in a complex gene regulatory program that redirects cellular functions and fates and leads to Müllerian duct regression.
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32
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Guglielmi L, Heliot C, Kumar S, Alexandrov Y, Gori I, Papaleonidopoulou F, Barrington C, East P, Economou AD, French PMW, McGinty J, Hill CS. Smad4 controls signaling robustness and morphogenesis by differentially contributing to the Nodal and BMP pathways. Nat Commun 2021; 12:6374. [PMID: 34737283 PMCID: PMC8569018 DOI: 10.1038/s41467-021-26486-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 10/07/2021] [Indexed: 12/25/2022] Open
Abstract
The transcriptional effector SMAD4 is a core component of the TGF-β family signaling pathways. However, its role in vertebrate embryo development remains unresolved. To address this, we deleted Smad4 in zebrafish and investigated the consequences of this on signaling by the TGF-β family morphogens, BMPs and Nodal. We demonstrate that in the absence of Smad4, dorsal/ventral embryo patterning is disrupted due to the loss of BMP signaling. However, unexpectedly, Nodal signaling is maintained, but lacks robustness. This Smad4-independent Nodal signaling is sufficient for mesoderm specification, but not for optimal endoderm specification. Furthermore, using Optical Projection Tomography in combination with 3D embryo morphometry, we have generated a BMP morphospace and demonstrate that Smad4 mutants are morphologically indistinguishable from embryos in which BMP signaling has been genetically/pharmacologically perturbed. Smad4 is thus differentially required for signaling by different TGF-β family ligands, which has implications for diseases where Smad4 is mutated or deleted.
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Affiliation(s)
- Luca Guglielmi
- Developmental Signalling Laboratory, The Francis Crick Institute, London, NW1 1AT, UK
| | - Claire Heliot
- Developmental Signalling Laboratory, The Francis Crick Institute, London, NW1 1AT, UK
| | - Sunil Kumar
- Advanced Light Microscopy, The Francis Crick Institute, London, NW1 1AT, UK
| | - Yuriy Alexandrov
- Advanced Light Microscopy, The Francis Crick Institute, London, NW1 1AT, UK
| | - Ilaria Gori
- Developmental Signalling Laboratory, The Francis Crick Institute, London, NW1 1AT, UK
| | | | - Christopher Barrington
- Bioinformatics and Biostatistics Facility, The Francis Crick Institute, London, NW1 1AT, UK
| | - Philip East
- Bioinformatics and Biostatistics Facility, The Francis Crick Institute, London, NW1 1AT, UK
| | - Andrew D Economou
- Developmental Signalling Laboratory, The Francis Crick Institute, London, NW1 1AT, UK
| | - Paul M W French
- Department of Physics, Imperial College London, SW7 2AZ, London, UK
| | - James McGinty
- Department of Physics, Imperial College London, SW7 2AZ, London, UK
| | - Caroline S Hill
- Developmental Signalling Laboratory, The Francis Crick Institute, London, NW1 1AT, UK.
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33
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Katada S, Takouda J, Nakagawa T, Honda M, Igarashi K, Imamura T, Ohkawa Y, Sato S, Kurumizaka H, Nakashima K. Neural stem/precursor cells dynamically change their epigenetic landscape to differentially respond to BMP signaling for fate switching during brain development. Genes Dev 2021; 35:1431-1444. [PMID: 34675062 PMCID: PMC8559679 DOI: 10.1101/gad.348797.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/28/2021] [Indexed: 11/24/2022]
Abstract
In this study, Katada et al. investigated NPC fate regulation and, using multiple genome-wide analyses, they demonstrate that Smads, transcription factors that act downstream from BMP signaling, target dramatically different genomic regions in neurogenic and gliogenic NPCs. Their results show the regulation of NPC property change mediated by the interplay between cell-extrinsic cues and -intrinsic epigenetic programs during cortical development. During neocortical development, tight regulation of neurogenesis-to-astrogenesis switching of neural precursor cells (NPCs) is critical to generate a balanced number of each neural cell type for proper brain functions. Accumulating evidence indicates that a complex array of epigenetic modifications and the availability of extracellular factors control the timing of neuronal and astrocytic differentiation. However, our understanding of NPC fate regulation is still far from complete. Bone morphogenetic proteins (BMPs) are renowned as cytokines that induce astrogenesis of gliogenic late-gestational NPCs. They also promote neurogenesis of mid-gestational NPCs, although the underlying mechanisms remain elusive. By performing multiple genome-wide analyses, we demonstrate that Smads, transcription factors that act downstream from BMP signaling, target dramatically different genomic regions in neurogenic and gliogenic NPCs. We found that histone H3K27 trimethylation and DNA methylation around Smad-binding sites change rapidly as gestation proceeds, strongly associated with the alteration of accessibility of Smads to their target binding sites. Furthermore, we identified two lineage-specific Smad-interacting partners—Sox11 for neurogenic and Sox8 for astrocytic differentiation—that further ensure Smad-regulated fate-specific gene induction. Our findings illuminate an exquisite regulation of NPC property change mediated by the interplay between cell-extrinsic cues and -intrinsic epigenetic programs during cortical development.
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Affiliation(s)
- Sayako Katada
- Department of Stem Cell Biology and Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Jun Takouda
- Department of Stem Cell Biology and Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takumi Nakagawa
- Department of Stem Cell Biology and Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Mizuki Honda
- Department of Stem Cell Biology and Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Katsuhide Igarashi
- Institute for Advanced Life Sciences, Hoshi University, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Takuya Imamura
- Program of Biomedical Science, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Yasuyuki Ohkawa
- Division of Transcriptomics, Medical Institute of Bioregulation, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Shoko Sato
- Laboratory of Chromatin Structure and Function, Institute for Quantitative Biosciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0032, Japan
| | - Hitoshi Kurumizaka
- Laboratory of Chromatin Structure and Function, Institute for Quantitative Biosciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0032, Japan
| | - Kinichi Nakashima
- Department of Stem Cell Biology and Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
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34
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Zheng M, Erhardt S, Ai D, Wang J. Bmp Signaling Regulates Hand1 in a Dose-Dependent Manner during Heart Development. Int J Mol Sci 2021; 22:ijms22189835. [PMID: 34576009 PMCID: PMC8465227 DOI: 10.3390/ijms22189835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/08/2021] [Accepted: 09/08/2021] [Indexed: 01/22/2023] Open
Abstract
The bone morphogenetic protein (Bmp) signaling pathway and the basic helix–loop–helix (bHLH) transcription factor Hand1 are known key regulators of cardiac development. In this study, we investigated the Bmp signaling regulation of Hand1 during cardiac outflow tract (OFT) development. In Bmp2 and Bmp4loss-of-function embryos with varying levels of Bmp in the heart, Hand1 is sensitively decreased in response to the dose of Bmp expression. In contrast, Hand1 in the heart is dramatically increased in Bmp4 gain-of-function embryos. We further identified and characterized the Bmp/Smad regulatory elements in Hand1. Combined transfection assays and chromatin immunoprecipitation (ChIP) experiments indicated that Hand1 is directly activated and bound by Smads. In addition, we found that upon the treatment of Bmp2 and Bmp4, P19 cells induced Hand1 expression and favored cardiac differentiation. Together, our data indicated that the Bmp signaling pathway directly regulates Hand1 expression in a dose-dependent manner during heart development.
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Affiliation(s)
- Mingjie Zheng
- Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (M.Z.); (S.E.)
| | - Shannon Erhardt
- Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (M.Z.); (S.E.)
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Di Ai
- Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, GA 30322, USA;
| | - Jun Wang
- Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (M.Z.); (S.E.)
- The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Correspondence:
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35
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Cheng L, Xie M, Qiao W, Song Y, Zhang Y, Geng Y, Xu W, Wang L, Wang Z, Huang K, Dong N, Sun Y. Generation and characterization of cardiac valve endothelial-like cells from human pluripotent stem cells. Commun Biol 2021; 4:1039. [PMID: 34489520 PMCID: PMC8421482 DOI: 10.1038/s42003-021-02571-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 08/18/2021] [Indexed: 12/31/2022] Open
Abstract
The cardiac valvular endothelial cells (VECs) are an ideal cell source that could be used for making the valve organoids. However, few studies have been focused on the derivation of this important cell type. Here we describe a two-step chemically defined xeno-free method for generating VEC-like cells from human pluripotent stem cells (hPSCs). HPSCs were specified to KDR+/ISL1+ multipotent cardiac progenitors (CPCs), followed by differentiation into valve endothelial-like cells (VELs) via an intermediate endocardial cushion cell (ECC) type. Mechanistically, administration of TGFb1 and BMP4 may specify VEC fate by activating the NOTCH/WNT signaling pathways and previously unidentified targets such as ATF3 and KLF family of transcription factors. When seeded onto the surface of the de-cellularized porcine aortic valve (DCV) matrix scaffolds, hPSC-derived VELs exhibit superior proliferative and clonogenic potential than the primary VECs and human aortic endothelial cells (HAEC). Our results show that hPSC-derived valvular cells could be efficiently generated from hPSCs, which might be used as seed cells for construction of valve organoids or next generation tissue engineered heart valves. Cheng et al. provide a detailed characterization of the differentiation of human pluripotent stem cells to valve endothelial cells and their function. Their results show that the valve endothelial-like cells express key markers for valve endothelial cells, exhibiting proliferative and clonogenic potential.
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Affiliation(s)
- LinXi Cheng
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - MingHui Xie
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - WeiHua Qiao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Song
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - YanYong Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - YingChao Geng
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - WeiLin Xu
- Wuhan Textile University, Wuhan, China
| | - Lin Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zheng Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Huang
- Department of Cardiovascular Internal Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - NianGuo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - YuHua Sun
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China. .,University of Chinese Academy of Sciences, Beijing, China.
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36
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Mahendra Y, He M, Rouf MA, Tjakra M, Fan L, Wang Y, Wang G. Progress and prospects of mechanotransducers in shear stress-sensitive signaling pathways in association with arteriovenous malformation. Clin Biomech (Bristol, Avon) 2021; 88:105417. [PMID: 34246943 DOI: 10.1016/j.clinbiomech.2021.105417] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 06/21/2021] [Accepted: 06/21/2021] [Indexed: 02/07/2023]
Abstract
Arteriovenous malformations are congenital vascular lesions characterized by a direct and tangled connection between arteries and veins, which disrupts oxygen circulation and normal blood flow. Arteriovenous malformations often occur in the patient with hereditary hemorrhagic telangiectasia. The attempts to elucidate the causative factors and pathogenic mechanisms of arteriovenous malformations are now still in progress. Some studies reported that shear stress in blood flow is one of the factors involved in arteriovenous malformations manifestation. Through several mechanotransducers harboring the endothelial cells membrane, the signal from shear stress is transduced towards the responsible signaling pathways in endothelial cells to maintain cell homeostasis. Any disruption in this well-established communication will give rise to abnormal endothelial cells differentiation and specification, which will later promote arteriovenous malformations. In this review, we discuss the update of several mechanotransducers that have essential roles in shear stress-induced signaling pathways, such as activin receptor-like kinase 1, Endoglin, Notch, vascular endothelial growth factor receptor 2, Caveolin-1, Connexin37, and Connexin40. Any disruption of these signaling potentially causes arteriovenous malformations. We also present some recent insights into the fundamental analysis, which attempts to determine potential and alternative solutions to battle arteriovenous malformations, especially in a less invasive and risky way, such as gene treatments.
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Affiliation(s)
- Yoga Mahendra
- Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular Implants Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Mei He
- Chongqing University Cancer Hospital, Chongqing Cancer Institute, Chongqing Cancer Hospital, Chongqing, China
| | - Muhammad Abdul Rouf
- Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular Implants Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Marco Tjakra
- Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular Implants Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Longling Fan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular Implants Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Yeqi Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular Implants Bioengineering College of Chongqing University, Chongqing 400030, China.
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education State and Local Joint Engineering Laboratory for Vascular Implants Bioengineering College of Chongqing University, Chongqing 400030, China.
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37
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Desroches-Castan A, Tillet E, Bouvard C, Bailly S. BMP9 and BMP10: two close vascular quiescence partners that stand out. Dev Dyn 2021; 251:178-197. [PMID: 34240497 DOI: 10.1002/dvdy.395] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/29/2021] [Accepted: 07/02/2021] [Indexed: 12/11/2022] Open
Abstract
Bone morphogenetic proteins (BMPs) are dimeric transforming growth factor ß (TGFß) family cytokines that were first described in bone and cartilage formation but have since been shown to be involved in many pleiotropic functions. In human, there are 15 BMP ligands, which initiate their cellular signaling by forming a complex with two copies of type I receptors and two copies of type II receptors, both of which are transmembrane receptors with an intracellular serine/threonine kinase domain. Within this receptor family, ALK1 (Activin receptor-Like Kinase 1), which is a type I receptor mainly expressed on endothelial cells, and BMPRII (BMP Receptor type II), a type II receptor also highly expressed on endothelial cells, have been directly linked to two rare vascular diseases: hereditary haemorrhagic telangiectasia (HHT), and pulmonary arterial hypertension (PAH), respectively. BMP9 (gene name GDF2) and BMP10, two close members of the BMP family, are the only known ligands for the ALK1 receptor. This specificity gives them a unique role in physiological and pathological angiogenesis and tissue homeostasis. The aim of this current review is to present an overview of what is known about BMP9 and BMP10 on vascular regulation with a particular emphasis on recent results and the many questions that remain unanswered regarding the roles and specificities between BMP9 and BMP10. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | - Emmanuelle Tillet
- Laboratory BioSanté, Univ. Grenoble Alpes, INSERM, CEA, Grenoble, France
| | - Claire Bouvard
- Laboratory BioSanté, Univ. Grenoble Alpes, INSERM, CEA, Grenoble, France
| | - Sabine Bailly
- Laboratory BioSanté, Univ. Grenoble Alpes, INSERM, CEA, Grenoble, France
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38
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Han O, Pak B, Jin SW. The Role of BMP Signaling in Endothelial Heterogeneity. Front Cell Dev Biol 2021; 9:673396. [PMID: 34235147 PMCID: PMC8255612 DOI: 10.3389/fcell.2021.673396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 05/21/2021] [Indexed: 01/07/2023] Open
Abstract
Bone morphogenetic proteins (BMPs), which compose the largest group of the transforming growth factor-β (TGF-ß) superfamily, have been implied to play a crucial role in diverse physiological processes. The most intriguing feature of BMP signaling is that it elicits heterogeneous responses from cells with equivalent identity, thus permitting highly context-dependent signaling outcomes. In endothelial cells (ECs), which are increasingly perceived as a highly heterogeneous population of cells with respect to their morphology, function, as well as molecular characteristics, BMP signaling has shown to elicit diverse and often opposite effects, illustrating the innate complexity of signaling responses. In this review, we provide a concise yet comprehensive overview of how outcomes of BMP signaling are modulated in a context-dependent manner with an emphasis on the underlying molecular mechanisms and summarize how these regulations of the BMP signaling promote endothelial heterogeneity.
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Affiliation(s)
- Orjin Han
- Cell Logistics Research Center, School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea
| | - Boryeong Pak
- Cell Logistics Research Center, School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea
| | - Suk-Won Jin
- Cell Logistics Research Center, School of Life Sciences, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea
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The BMP Pathway in Blood Vessel and Lymphatic Vessel Biology. Int J Mol Sci 2021; 22:ijms22126364. [PMID: 34198654 PMCID: PMC8232321 DOI: 10.3390/ijms22126364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 11/16/2022] Open
Abstract
Bone morphogenetic proteins (BMPs) were originally identified as the active components in bone extracts that can induce ectopic bone formation. In recent decades, their key role has broadly expanded beyond bone physiology and pathology. Nowadays, the BMP pathway is considered an important player in vascular signaling. Indeed, mutations in genes encoding different components of the BMP pathway cause various severe vascular diseases. Their signaling contributes to the morphological, functional and molecular heterogeneity among endothelial cells in different vessel types such as arteries, veins, lymphatic vessels and capillaries within different organs. The BMP pathway is a remarkably fine-tuned pathway. As a result, its signaling output in the vessel wall critically depends on the cellular context, which includes flow hemodynamics, interplay with other vascular signaling cascades and the interaction of endothelial cells with peri-endothelial cells and the surrounding matrix. In this review, the emerging role of BMP signaling in lymphatic vessel biology will be highlighted within the framework of BMP signaling in the circulatory vasculature.
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Genome-wide interference of ZNF423 with B-lineage transcriptional circuitries in acute lymphoblastic leukemia. Blood Adv 2021; 5:1209-1223. [PMID: 33646306 DOI: 10.1182/bloodadvances.2020001844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 01/21/2021] [Indexed: 11/20/2022] Open
Abstract
Aberrant expression of the transcriptional modulator and early B-cell factor 1 (EBF1) antagonist ZNF423 has been implicated in B-cell leukemogenesis, but its impact on transcriptional circuitries in lymphopoiesis has not been elucidated in a comprehensive manner. Herein, in silico analyses of multiple expression data sets on 1354 acute leukemia samples revealed a widespread presence of ZNF423 in various subtypes of acute lymphoblastic leukemia (ALL). Average expression of ZNF423 was highest in ETV6-RUNX1, B-other, and TCF3-PBX1 ALL followed by BCR-ABL, hyperdiploid ALL, and KMT2A-rearranged ALL. In a KMT2A-AFF1 pro-B ALL model, a CRISPR-Cas9-mediated genetic ablation of ZNF423 decreased cell viability and significantly prolonged survival of mice upon xenotransplantation. For the first time, we characterized the genome-wide binding pattern of ZNF423, its impact on the chromatin landscape, and differential gene activities in a B-lineage context. In general, chromatin-bound ZNF423 was associated with a depletion of activating histone marks. At the transcriptional level, EBF1-dependent transactivation was disrupted by ZNF423, whereas repressive and pioneering activities of EBF1 were not discernibly impeded. Unexpectedly, we identified an enrichment of ZNF423 at canonical EBF1-binding sites also in the absence of EBF1, which was indicative of intrinsic EBF1-independent ZNF423 activities. A genome-wide motif search at EBF1 target gene loci revealed that EBF1 and ZNF423 co-regulated genes often contain SMAD1/SMAD4-binding motifs as exemplified by the TGFB1 promoter, which was repressed by ZNF423 outcompeting EBF1 by depending on its ability to bind EBF1 consensus sites and to interact with EBF1 or SMADs. Overall, these findings underscore the wide scope of ZNF423 activities that interfere with B-cell lymphopoiesis and contribute to leukemogenesis.
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41
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Ozawa T, Morikawa M, Morishita Y, Ogikubo K, Itoh F, Koinuma D, Nygren PÅ, Miyazono K. Systemic administration of monovalent follistatin-like 3-Fc-fusion protein increases muscle mass in mice. iScience 2021; 24:102488. [PMID: 34113826 PMCID: PMC8170004 DOI: 10.1016/j.isci.2021.102488] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 03/11/2021] [Accepted: 04/27/2021] [Indexed: 02/07/2023] Open
Abstract
Targeting the signaling pathway of growth differentiation factor 8 (GDF8), also known as myostatin, has been regarded as a promising strategy to increase muscle mass in the elderly and in patients. Accumulating evidence in animal models and clinical trials has indicated that a rational approach is to inhibit a limited number of transforming growth factor β (TGF-β) family ligands, including GDF8 and activin A, without affecting other members. Here, we focused on one of the endogenous antagonists against TGF-β family ligands, follistatin-like 3 (FSTL3), which mainly binds and neutralizes activins, GDF8, and GDF11. Although bivalent human FSTL3 Fc-fusion protein was rapidly cleared from mouse circulation similar to follistatin (FST)-Fc, monovalent FSTL3-Fc (mono-FSTL3-Fc) generated with the knobs-into-holes technology exhibited longer serum half-life. Systemic administration of mono-FSTL3-Fc in mice induced muscle fiber hypertrophy and increased muscle mass in vivo. Our results indicate that the monovalent FSTL3-based therapy overcomes the difficulties of current anti-GDF8 therapies. FSTL3-Fc has a more specific binding profile for TGF-β family ligands than ActRIIB-Fc. Bivalent two-armed FSTL3-Fc is rapidly cleared from mouse circulation. Monovalent FSTL3-Fc has longer serum half-life and causes systemic muscle hypertrophy. ActRIIB-Fc-related side effects are not detected in monovalent FSTL3-Fc-treated mice.
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Affiliation(s)
- Takayuki Ozawa
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masato Morikawa
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yasuyuki Morishita
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kazuki Ogikubo
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Fumiko Itoh
- Laboratory of Cardiovascular Medicine, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
| | - Daizo Koinuma
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Per-Åke Nygren
- Department of Protein Science, School of Engineering Sciences in Chemistry, Biotechnology and Health, AlbaNova University Center, Royal Institute of Technology, 106 91 Stockholm, Sweden.,Science for Life Laboratory, 171 65 Solna, Sweden
| | - Kohei Miyazono
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
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42
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Vercauteren Drubbel A, Pirard S, Kin S, Dassy B, Lefort A, Libert F, Nomura S, Beck B. Reactivation of the Hedgehog pathway in esophageal progenitors turns on an embryonic-like program to initiate columnar metaplasia. Cell Stem Cell 2021; 28:1411-1427.e7. [PMID: 33882290 DOI: 10.1016/j.stem.2021.03.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 12/18/2020] [Accepted: 03/24/2021] [Indexed: 01/17/2023]
Abstract
Columnar metaplasia of the esophagus is the main risk factor for esophageal adenocarcinoma. There is a lack of evidence to demonstrate that esophageal progenitors can be the source of columnar metaplasia. In this study, using transgenic mouse models, lineage tracing, single-cell RNA sequencing, and transcriptomic and epigenetic profiling, we found that the activation of the Hedgehog pathway in esophageal cells modifies their differentiation status in vivo. This process involves an initial step of dedifferentiation into embryonic-like esophageal progenitors. Moreover, a subset of these cells undergoes full squamous-to-columnar conversion and expresses selected intestinal markers. These modifications of cell fate are associated with remodeling of the chromatin and the appearance of Sox9. Using a conditional knockout mouse, we show that Sox9 is required for columnar conversion but not for the step of dedifferentiation. These results provide insight into the mechanisms by which esophageal cells might initiate columnar metaplasia.
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Affiliation(s)
| | - Sheleya Pirard
- IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium
| | - Simon Kin
- IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium
| | - Benjamin Dassy
- IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium
| | - Anne Lefort
- IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium
| | - Frédérick Libert
- IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium
| | - Sachiyo Nomura
- Department of Gastrointestinal Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Benjamin Beck
- IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium; WELBIO/FNRS Principal Investigator at IRIBHM, ULB/Faculty of Medicine, 808 route de Lennik, 1070 Brussels, Belgium.
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43
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Marziano C, Genet G, Hirschi KK. Vascular endothelial cell specification in health and disease. Angiogenesis 2021; 24:213-236. [PMID: 33844116 PMCID: PMC8205897 DOI: 10.1007/s10456-021-09785-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/17/2021] [Indexed: 02/08/2023]
Abstract
There are two vascular networks in mammals that coordinately function as the main supply and drainage systems of the body. The blood vasculature carries oxygen, nutrients, circulating cells, and soluble factors to and from every tissue. The lymphatic vasculature maintains interstitial fluid homeostasis, transports hematopoietic cells for immune surveillance, and absorbs fat from the gastrointestinal tract. These vascular systems consist of highly organized networks of specialized vessels including arteries, veins, capillaries, and lymphatic vessels that exhibit different structures and cellular composition enabling distinct functions. All vessels are composed of an inner layer of endothelial cells that are in direct contact with the circulating fluid; therefore, they are the first responders to circulating factors. However, endothelial cells are not homogenous; rather, they are a heterogenous population of specialized cells perfectly designed for the physiological demands of the vessel they constitute. This review provides an overview of the current knowledge of the specification of arterial, venous, capillary, and lymphatic endothelial cell identities during vascular development. We also discuss how the dysregulation of these processes can lead to vascular malformations, and therapeutic approaches that have been developed for their treatment.
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Affiliation(s)
- Corina Marziano
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA.,Cardiovascular Research Center, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA
| | - Gael Genet
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA.,Cardiovascular Research Center, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA
| | - Karen K Hirschi
- Department of Cell Biology, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA. .,Cardiovascular Research Center, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA. .,Department of Medicine, Yale Cardiovascular Research Center, Yale University School of Medicine, New Haven, CT, 06520, USA.
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44
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Guo Z, Mo Z. Regulation of endothelial cell differentiation in embryonic vascular development and its therapeutic potential in cardiovascular diseases. Life Sci 2021; 276:119406. [PMID: 33785330 DOI: 10.1016/j.lfs.2021.119406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 03/05/2021] [Accepted: 03/14/2021] [Indexed: 12/17/2022]
Abstract
During vertebrate development, the cardiovascular system begins operating earlier than any other organ in the embryo. Endothelial cell (EC) forms the inner lining of blood vessels, and its extensive proliferation and migration are requisite for vasculogenesis and angiogenesis. Many aspects of cellular biology are involved in vasculogenesis and angiogenesis, including the tip versus stalk cell specification. Recently, epigenetics has attracted growing attention in regulating embryonic vascular development and controlling EC differentiation. Some proteins that regulate chromatin structure have been shown to be directly implicated in human cardiovascular diseases. Additionally, the roles of important EC signaling such as vascular endothelial growth factor and its receptors, angiopoietin-1 and tyrosine kinase containing immunoglobulin and epidermal growth factor homology domain-2, and transforming growth factor-β in EC differentiation during embryonic vasculature development are briefly discussed in this review. Recently, the transplantation of human induced pluripotent stem cell (iPSC)-ECs are promising approaches for the treatment of ischemic cardiovascular disease including myocardial infarction. Patient-specific iPSC-derived EC is a potential new target to study differences in gene expression or response to drugs. However, clinical application of the iPSC-ECs in regenerative medicine is often limited by the challenges of maintaining cell viability and function. Therefore, novel insights into the molecular mechanisms underlying EC differentiation might provide a better understanding of embryonic vascular development and bring out more effective EC-based therapeutic strategies for cardiovascular diseases.
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Affiliation(s)
- Zi Guo
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhaohui Mo
- Department of Endocrinology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
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45
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Choi W, Lee HW, Pak B, Han O, Kim M, Jin SW. Transcriptomic analysis identifies novel targets for individual bone morphogenetic protein type 1 receptors in endothelial cells. FASEB J 2021; 35:e21386. [PMID: 33565137 DOI: 10.1096/fj.202002071r] [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: 09/04/2020] [Revised: 12/03/2020] [Accepted: 01/07/2021] [Indexed: 11/11/2022]
Abstract
Bone Morphogenetic Protein (BMP) signaling regulates diverse biological processes. Upon ligand binding, BMP receptors (BMPRs) phosphorylate SMAD1/5 and other noncanonical downstream effectors to induce transcription of downstream targets. However, the precise role of individual BMP receptors in this process remains largely unknown due to the complexity of downstream signaling and the innate promiscuity of ligand-receptor interaction. To delineate unique downstream effectors of individual BMPR1s, we analyzed the transcriptome of human umbilical endothelial cells (HUVECs) expressing three distinct constitutively active BMPR1s of which expression was detected in endothelial cells (ECs). From our analyses, we identified a number of novel downstream targets of BMPR1s in ECs. More importantly, we found that each BMPR1 possesses a distinctive set of downstream effectors, suggesting that each BMPR1 is likely to retain unique function in ECs. Taken together, our analyses suggest that each BMPR1 regulates downstream targets non-redundantly in ECs to create context-dependent outcomes of the BMP signaling.
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Affiliation(s)
- Woosoung Choi
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Heon-Woo Lee
- Yale Cardiovascular Research Center and Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Boryeong Pak
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Orjin Han
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Minjung Kim
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Suk-Won Jin
- Cell Logistics Research Center and School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea.,Yale Cardiovascular Research Center and Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
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46
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Cai Y, Yan L, Kielt MJ, Cogan JD, Hedges LK, Nunley B, West J, Austin ED, Hamid R. TBX4 Transcription Factor Is a Positive Feedback Regulator of Itself and Phospho-SMAD1/5. Am J Respir Cell Mol Biol 2021; 64:140-143. [PMID: 33385213 DOI: 10.1165/rcmb.2020-0331le] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Ying Cai
- Vanderbilt University Medical Center Nashville, Tennessee and
| | - Ling Yan
- Vanderbilt University Medical Center Nashville, Tennessee and
| | | | - Joy D Cogan
- Vanderbilt University Medical Center Nashville, Tennessee and
| | - Lora K Hedges
- Vanderbilt University Medical Center Nashville, Tennessee and
| | - Bethany Nunley
- Vanderbilt University Medical Center Nashville, Tennessee and
| | - James West
- Vanderbilt University Medical Center Nashville, Tennessee and
| | - Eric D Austin
- Vanderbilt University Medical Center Nashville, Tennessee and
| | - Rizwan Hamid
- Vanderbilt University Medical Center Nashville, Tennessee and
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47
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Reichenbach M, Mendez P, da Silva Madaleno C, Ugorets V, Rikeit P, Boerno S, Jatzlau J, Knaus P. Differential Impact of Fluid Shear Stress and YAP/TAZ on BMP/TGF‐β Induced Osteogenic Target Genes. Adv Biol (Weinh) 2021; 5:e2000051. [DOI: 10.1002/adbi.202000051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 12/08/2020] [Indexed: 01/07/2023]
Affiliation(s)
- Maria Reichenbach
- Institute of Chemistry/Biochemistry Freie Universität Berlin Thielallee 63 Berlin 14195 Germany
| | - Paul‐Lennard Mendez
- International Max Planck Research School for Biology and Computation Max Planck Institute for Molecular Genetics Ihnestr. 63 Berlin 14195 Germany
| | - Carolina da Silva Madaleno
- Institute of Chemistry/Biochemistry Freie Universität Berlin Thielallee 63 Berlin 14195 Germany
- Berlin‐Brandenburg School for Regenerative Therapies (BSRT) Charité—Universitätsmedizin Berlin Föhrer Str. 15 Berlin 13353 Germany
| | - Vladimir Ugorets
- Institute of Chemistry/Biochemistry Freie Universität Berlin Thielallee 63 Berlin 14195 Germany
| | - Paul Rikeit
- Institute of Chemistry/Biochemistry Freie Universität Berlin Thielallee 63 Berlin 14195 Germany
- Berlin‐Brandenburg School for Regenerative Therapies (BSRT) Charité—Universitätsmedizin Berlin Föhrer Str. 15 Berlin 13353 Germany
| | - Stefan Boerno
- Sequencing Core Facility Max Planck Institute for Molecular Genetics Ihnestr. 63 Berlin 14195 Germany
| | - Jerome Jatzlau
- Institute of Chemistry/Biochemistry Freie Universität Berlin Thielallee 63 Berlin 14195 Germany
- Berlin‐Brandenburg School for Regenerative Therapies (BSRT) Charité—Universitätsmedizin Berlin Föhrer Str. 15 Berlin 13353 Germany
| | - Petra Knaus
- Institute of Chemistry/Biochemistry Freie Universität Berlin Thielallee 63 Berlin 14195 Germany
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48
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Hildebrandt S, Kampfrath B, Fischer K, Hildebrand L, Haupt J, Stachelscheid H, Knaus P. ActivinA Induced SMAD1/5 Signaling in an iPSC Derived EC Model of Fibrodysplasia Ossificans Progressiva (FOP) Can Be Rescued by the Drug Candidate Saracatinib. Stem Cell Rev Rep 2021; 17:1039-1052. [PMID: 33410098 PMCID: PMC8166717 DOI: 10.1007/s12015-020-10103-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2020] [Indexed: 12/20/2022]
Abstract
Balanced signal transduction is crucial in tissue patterning, particularly in the vasculature. Heterotopic ossification (HO) is tightly linked to vascularization with increased vessel number in hereditary forms of HO, such as Fibrodysplasia ossificans progressiva (FOP). FOP is caused by mutations in the BMP type I receptor ACVR1 leading to aberrant SMAD1/5 signaling in response to ActivinA. Whether observed vascular phenotype in human FOP lesions is connected to aberrant ActivinA signaling is unknown. Blocking of ActivinA prevents HO in FOP mice indicating a central role of the ligand in FOP. Here, we established a new FOP endothelial cell model generated from induced pluripotent stem cells (iECs) to study ActivinA signaling. FOP iECs recapitulate pathogenic ActivinA/SMAD1/5 signaling. Whole transcriptome analysis identified ActivinA mediated activation of the BMP/NOTCH pathway exclusively in FOP iECs, which was rescued to WT transcriptional levels by the drug candidate Saracatinib. We propose that ActivinA causes transcriptional pre-patterning of the FOP endothelium, which might contribute to differential vascularity in FOP lesions compared to non-hereditary HO. ![]()
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Affiliation(s)
- Susanne Hildebrandt
- Institute of Chemistry/Biochemistry, Thielallee 63, Freie Universität Berlin, 14195, Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies (BSRT), Charité, Universitätsmedizin Berlin, Föhrer Str. 15, 13353, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Branka Kampfrath
- Institute of Chemistry/Biochemistry, Thielallee 63, Freie Universität Berlin, 14195, Berlin, Germany
| | - Kristin Fischer
- Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- BIH Stem Cell Core Facility, Berlin Institute of Health (BIH), Anna-Louisa-Karsch-Straße 2, 10178, Berlin, Germany
| | - Laura Hildebrand
- Berlin-Brandenburg School for Regenerative Therapies (BSRT), Charité, Universitätsmedizin Berlin, Föhrer Str. 15, 13353, Berlin, Germany
- Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Julia Haupt
- Institute of Chemistry/Biochemistry, Thielallee 63, Freie Universität Berlin, 14195, Berlin, Germany
| | - Harald Stachelscheid
- Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- BIH Stem Cell Core Facility, Berlin Institute of Health (BIH), Anna-Louisa-Karsch-Straße 2, 10178, Berlin, Germany
| | - Petra Knaus
- Institute of Chemistry/Biochemistry, Thielallee 63, Freie Universität Berlin, 14195, Berlin, Germany.
- Berlin-Brandenburg School for Regenerative Therapies (BSRT), Charité, Universitätsmedizin Berlin, Föhrer Str. 15, 13353, Berlin, Germany.
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49
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Zhong J, Kang Q, Cao Y, He B, Zhao P, Gou Y, Luo Y, He TC, Fan J. BMP4 augments the survival of hepatocellular carcinoma (HCC) cells under hypoxia and hypoglycemia conditions by promoting the glycolysis pathway. Am J Cancer Res 2021; 11:793-811. [PMID: 33791154 PMCID: PMC7994163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 12/16/2020] [Indexed: 04/11/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the leading causes of cancer death worldwide although its pathogenic mechanism remains to be fully understood. Unlike normal cells, most cancer cells rely on aerobic glycolysis and are more adaptable to the microenvironment of hypoxia and hypoglycemia. Bone Morphogenetic Protein 4 (BMP4) plays important roles in regulating proliferation, differentiation, invasion and migration of HCC cells. We have recently shown that BMP4 plays an important role in regulating glucose metabolism although the effect of BMP4 on glucose metabolic reprogramming of HCC is poorly understood. In this study, we found that BMP4 was highly expressed in HCC tumor tissues, as well as HCC cell lines that were tolerant to hypoxia and hypoglycemia. Mechanistically, we demonstrated that BMP4 protected HCC cells from hypoxia and hypoglycemia by promoting glycolysis since BMP4 up-regulated glucose uptake, the lactic acid production, the ATP level, and the activities of rate limiting enzymes of glycolysis (including HK2, PFK and PK). Furthermore, we demonstrated that BMP4 up-regulated HK2, PFKFB3 and PKM2 through the canonical Smad signal pathway as SMAD5 directly bound to the promoter of PKM. Collectively, our findings shown that BMP4 may play an important role in regulating glycolysis of HCC cells under hypoxia and hypoglycemia condition, indicating that novel therapeutics may be developed to target BMP4-regulated glucose metabolic reprogramming in HCC.
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Affiliation(s)
- Jiamin Zhong
- Ministry of Education Key Laboratory of Diagnostic Medicine, Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical UniversityChongqing 400016, China
| | - Quan Kang
- Stem Cell Biology and Therapy Laboratory, Ministry of Education Key Laboratory of Child Development and Disorders, The Children’s Hospital of Chongqing Medical UniversityChongqing 400014, China
| | - Youde Cao
- Department of Pathology, Chongqing Medical UniversityChongqing 400016, China
| | - Baicheng He
- Department of Pharmacology, School of Pharmacy, Chongqing Medical UniversityChongqing 400016, China
| | - Piao Zhao
- Ministry of Education Key Laboratory of Diagnostic Medicine, Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical UniversityChongqing 400016, China
| | - Yannian Gou
- Ministry of Education Key Laboratory of Diagnostic Medicine, Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical UniversityChongqing 400016, China
| | - Yetao Luo
- Clinical Epidemiology and Biostatistics Department, Department of Pediatric Research Institute, Children’s Hospital of Chongqing Medical UniversityChongqing 400014, China
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Jiaming Fan
- Ministry of Education Key Laboratory of Diagnostic Medicine, Department of Clinical Biochemistry, College of Laboratory Medicine, Chongqing Medical UniversityChongqing 400016, China
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50
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Singh E, Phillips HM, Arthur HM. Dynamic changes in endoglin expression in the developing mouse heart. Gene Expr Patterns 2020; 39:119165. [PMID: 33373688 DOI: 10.1016/j.gep.2020.119165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/17/2020] [Accepted: 12/22/2020] [Indexed: 11/16/2022]
Abstract
Endoglin (ENG) is essential for cardiovascular development and is expressed in the heart from its earliest developmental stages. ENG expression has been reported in the cardiac crescent, endocardium, valve mesenchyme and coronary vascular endothelial cells. However, its expression in these cell types is non-uniform and the dynamic changes in ENG expression during heart development have not been systematically studied. Using immunofluorescent staining we tracked ENG protein expression in mouse embryonic hearts aged from 11.5 to 17.5 days, and in postnatal and adult hearts. ENG is expressed in the endocardium and in venous endothelial cells throughout these developmental stages. ENG protein is down-regulated by approximately two-fold as a subset of early coronary veins reprogram to form arteries within the developing myocardium from E13.5. This two-fold higher ratio of ENG protein in veins versus arteries is maintained throughout cardiac development and in the adult heart. ENG is also down-regulated two-fold following mesenchymal transition of endocardial cells to form cardiac valve mesenchyme, whilst expression of the pan-endothelial marker CD31 is completely lost. A subset of epicardial cells (which do not express ENG protein) delaminate and undergo a similar mesenchymal transition to form epicardially derived cells (EPDCs). This transient intra-myocardial mesenchymal cell population expresses low levels of ENG protein, similar to valve mesenchyme. In conclusion, ENG shows dynamic changes of expression in vascular endothelial cells, endocardial cells and mesenchymal cells in the developing heart that vary according to cardiovascular cell type.
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Affiliation(s)
- E Singh
- Biosciences Institute, Newcastle University, NE1 3BZ, UK
| | - H M Phillips
- Biosciences Institute, Newcastle University, NE1 3BZ, UK
| | - H M Arthur
- Biosciences Institute, Newcastle University, NE1 3BZ, UK.
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