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Yang R, Chu H, Yue H, Mishina Y, Zhang Z, Liu H, Li B. BMP signaling maintains auricular chondrocyte identity and prevents microtia development by inhibiting protein kinase A. eLife 2024; 12:RP91883. [PMID: 38690987 PMCID: PMC11062634 DOI: 10.7554/elife.91883] [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] [Indexed: 05/03/2024] Open
Abstract
Elastic cartilage constitutes a major component of the external ear, which functions to guide sound to the middle and inner ears. Defects in auricle development cause congenital microtia, which affects hearing and appearance in patients. Mutations in several genes have been implicated in microtia development, yet, the pathogenesis of this disorder remains incompletely understood. Here, we show that Prrx1 genetically marks auricular chondrocytes in adult mice. Interestingly, BMP-Smad1/5/9 signaling in chondrocytes is increasingly activated from the proximal to distal segments of the ear, which is associated with a decrease in chondrocyte regenerative activity. Ablation of Bmpr1a in auricular chondrocytes led to chondrocyte atrophy and microtia development at the distal part. Transcriptome analysis revealed that Bmpr1a deficiency caused a switch from the chondrogenic program to the osteogenic program, accompanied by enhanced protein kinase A activation, likely through increased expression of Adcy5/8. Inhibition of PKA blocked chondrocyte-to-osteoblast transformation and microtia development. Moreover, analysis of single-cell RNA-seq of human microtia samples uncovered enriched gene expression in the PKA pathway and chondrocyte-to-osteoblast transformation process. These findings suggest that auricle cartilage is actively maintained by BMP signaling, which maintains chondrocyte identity by suppressing osteogenic differentiation.
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Affiliation(s)
- Ruichen Yang
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong UniversityShanghaiChina
| | - Hongshang Chu
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong UniversityShanghaiChina
| | - Hua Yue
- Department of Osteoporosis and Bone Diseases, Shanghai Clinical Research Center of Bone Disease, Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghaiChina
| | - Yuji Mishina
- Department of Biologic and Materials & Prosthodontics, University of Michigan School of DentistryAnn ArborUnited States
| | - Zhenlin Zhang
- Department of Osteoporosis and Bone Diseases, Shanghai Clinical Research Center of Bone Disease, Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghaiChina
| | - Huijuan Liu
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong UniversityShanghaiChina
| | - Baojie Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong UniversityShanghaiChina
- Shanghai Institute of Stem Cell Research and Clinical TranslationShanghaiChina
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2
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Hu S, Hang X, Wei Y, Wang H, Zhang L, Zhao L. Crosstalk among podocytes, glomerular endothelial cells and mesangial cells in diabetic kidney disease: an updated review. Cell Commun Signal 2024; 22:136. [PMID: 38374141 PMCID: PMC10875896 DOI: 10.1186/s12964-024-01502-3] [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: 08/20/2023] [Accepted: 01/28/2024] [Indexed: 02/21/2024] Open
Abstract
Diabetic kidney disease (DKD) is a long-term and serious complication of diabetes that affects millions of people worldwide. It is characterized by proteinuria, glomerular damage, and renal fibrosis, leading to end-stage renal disease, and the pathogenesis is complex and involves multiple cellular and molecular mechanisms. Among three kinds of intraglomerular cells including podocytes, glomerular endothelial cells (GECs) and mesangial cells (MCs), the alterations in one cell type can produce changes in the others. The cell-to-cell crosstalk plays a crucial role in maintaining the glomerular filtration barrier (GFB) and homeostasis. In this review, we summarized the recent advances in understanding the pathological changes and interactions of these three types of cells in DKD and then focused on the signaling pathways and factors that mediate the crosstalk, such as angiopoietins, vascular endothelial growth factors, transforming growth factor-β, Krüppel-like factors, retinoic acid receptor response protein 1 and exosomes, etc. Furthermore, we also simply introduce the application of the latest technologies in studying cell interactions within glomerular cells and new promising mediators for cell crosstalk in DKD. In conclusion, this review provides a comprehensive and updated overview of the glomerular crosstalk in DKD and highlights its importance for the development of novel intervention approaches.
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Affiliation(s)
- Shiwan Hu
- Institute of Metabolic Diseases, Guang' anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
- Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Xing Hang
- Institute of Metabolic Diseases, Guang' anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
- Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yu Wei
- Institute of Metabolic Diseases, Guang' anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China
- Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Han Wang
- Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Lili Zhang
- Institute of Metabolic Diseases, Guang' anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Linhua Zhao
- Institute of Metabolic Diseases, Guang' anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
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3
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Gao Z, Houthuijzen JM, Ten Dijke P, Brazil DP. GREM1 signaling in cancer: tumor promotor and suppressor? J Cell Commun Signal 2023:10.1007/s12079-023-00777-4. [PMID: 37615860 DOI: 10.1007/s12079-023-00777-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 06/07/2023] [Indexed: 08/25/2023] Open
Abstract
GREMLIN1 (GREM1) is member of a family of structurally and functionally related secreted cysteine knot proteins, which act to sequester and inhibit the action of multifunctional bone morphogenetic proteins (BMPs). GREM1 binds directly to BMP dimers, thereby preventing BMP-mediated activation of BMP type I and type II receptors. Multiple reports identify the overexpression of GREM1 as a contributing factor in a broad range of cancers. Additionally, the GREM1 gene is amplified in a rare autosomal dominant inherited form of colorectal cancer. The inhibitory effects of GREM1 on BMP signaling have been linked to these tumor-promoting effects, including facilitating cancer cell stemness and the activation of cancer-associated fibroblasts. Moreover, GREM1 has been described to bind and signal to vascular endothelial growth factor receptor (VEGFR) and stimulate angiogenesis, as well as epidermal and fibroblast growth factor receptor (EGFR and FGFR) to elicit tumor-promoting effects in breast and prostate cancer, respectively. In contrast, a 2022 report revealed that GREM1 can promote an epithelial state in pancreatic cancers, thereby inhibiting pancreatic tumor growth and metastasis. In this commentary, we will review these disparate findings and attempt to provide clarity around the role of GREM1 signaling in cancer.
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Affiliation(s)
- Zhichun Gao
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Northern Ireland, BT9 7BL, UK
| | - Julia M Houthuijzen
- Oncode Institute, Division of Molecular Pathology, Netherlands Cancer Institute, Plesmanlaan 121, Amsterdam, 1066 CX, The Netherlands
| | - Peter Ten Dijke
- Oncode Institute, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Derek P Brazil
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Northern Ireland, BT9 7BL, UK.
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4
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Mthunzi L, Rowan SC, Kostyunina DS, Baugh JA, Knaus UG, McLoughlin P. Gremlin 1 is required for macrophage M2 polarization. Am J Physiol Lung Cell Mol Physiol 2023; 325:L270-L276. [PMID: 37401390 DOI: 10.1152/ajplung.00163.2023] [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: 05/18/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/05/2023] Open
Abstract
Pro-proliferative, M2-like polarization of macrophages is a critical step in the development of fibrosis and remodeling in chronic lung diseases such as pulmonary fibrosis and pulmonary hypertension. Macrophages in healthy and diseased lungs express gremlin 1 (Grem1), a secreted glycoprotein that acts in both paracrine and autocrine manners to modulate cellular function. Increased Grem1 expression plays a central role in pulmonary fibrosis and remodeling, however, the role of Grem1 in M2-like polarization of macrophages has not previously been explored. The results reported here show that recombinant Grem1 potentiated M2-like polarization of mouse macrophages and bone marrow-derived macrophages (BMDMs) in response to the Th2 cytokines IL4 and IL13. Genetic depletion of Grem1 in BMDMs inhibited M2 polarization while exogenous gremlin 1 could partially rescue this effect. Taken together, these findings reveal that gremlin 1 is required for M2-like polarization of macrophages.NEW & NOTEWORTHY We show here that gremlin 1 potentiated M2 polarization of mouse bone marrow-derived macrophages (BMDMs) in response to the Th2 cytokines IL4 and IL13. Genetic depletion of Grem1 in BMDMs inhibited M2 polarization while exogenous gremlin 1 partially rescued this effect. Taken together, these findings reveal a previously unknown requirement for gremlin 1 in M2 polarization of macrophages and suggest a novel cellular mechanism promoting fibrosis and remodeling in lung diseases.
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Affiliation(s)
- Liberty Mthunzi
- School of Medicine, Health Sciences Centre, University College Dublin, Dublin, Ireland
| | - Simon C Rowan
- School of Medicine, Health Sciences Centre, University College Dublin, Dublin, Ireland
| | - Daria S Kostyunina
- School of Medicine, Health Sciences Centre, University College Dublin, Dublin, Ireland
| | - John A Baugh
- School of Medicine, Health Sciences Centre, University College Dublin, Dublin, Ireland
| | - Ulla G Knaus
- School of Medicine, Health Sciences Centre, University College Dublin, Dublin, Ireland
| | - Paul McLoughlin
- School of Medicine, Health Sciences Centre, University College Dublin, Dublin, Ireland
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5
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Hanson-Drury S, Patni AP, Lee DL, Alghadeer A, Zhao YT, Ehnes DD, Vo VN, Kim SY, Jithendra D, Phal A, Edman NI, Schlichthaerle T, Baker D, Young JE, Mathieu J, Ruohola-Baker H. Single Cell RNA Sequencing Reveals Human Tooth Type Identity and Guides In Vitro hiPSC Derived Odontoblast Differentiation (iOB). FRONTIERS IN DENTAL MEDICINE 2023; 4:10.3389/fdmed.2023.1209503. [PMID: 38259324 PMCID: PMC10802932 DOI: 10.3389/fdmed.2023.1209503] [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] [Indexed: 01/24/2024] Open
Abstract
Over 90% of the U.S. adult population suffers from tooth structure loss due to caries. Most of the mineralized tooth structure is composed of dentin, a material produced and mineralized by ectomesenchyme derived cells known as odontoblasts. Clinicians, scientists, and the general public share the desire to regenerate this missing tooth structure. To bioengineer missing dentin, increased understanding of human tooth development is required. Here we interrogate at the single cell level the signaling interactions that guide human odontoblast and ameloblast development and which determine incisor or molar tooth germ type identity. During human odontoblast development, computational analysis predicts that early FGF and BMP activation followed by later HH signaling is crucial. Application of this sci-RNA-seq analysis generates a differentiation protocol to produce mature hiPSC derived odontoblasts in vitro (iOB). Further, we elucidate the critical role of FGF signaling in odontoblast maturation and its biomineralization capacity using the de novo designed FGFR1/2c isoform specific minibinder scaffolded as a C6 oligomer that acts as a pathway agonist. We find that FGFR1c is upregulated in functional odontoblasts and specifically plays a crucial role in driving odontoblast maturity. Using computational tools, we show on a molecular level how human molar development is delayed compared to incisors. We reveal that enamel knot development is guided by FGF and WNT in incisors and BMP and ROBO in the molars, and that incisor and molar ameloblast development is guided by FGF, EGF and BMP signaling, with tooth type specific intensity of signaling interactions. Dental ectomesenchyme derived cells are the primary source of signaling ligands responsible for both enamel knot and ameloblast development.
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Affiliation(s)
- Sesha Hanson-Drury
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
| | - Anjali P. Patni
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Genetic Engineering, SRM Institute of Science and Technology, Chennai, India
| | - Deborah L. Lee
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
| | - Ammar Alghadeer
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
| | - Yan Ting Zhao
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
| | - Devon Duron Ehnes
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
| | - Vivian N. Vo
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Biology, University of Washington, Seattle, WA, United States
| | - Sydney Y. Kim
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
| | - Druthi Jithendra
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Biotechnology, SRM Institute of Science and Technology, Chennai, India
| | - Ashish Phal
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Bioengineering, University of Washington, Seattle, WA, United States
| | - Natasha I. Edman
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Protein Design, University of Washington, Seattle, WA, United States
- Molecular and Cellular Biology Graduate Program, University of Washington, Seattle, WA 98195, USA
- Medical Scientist Training Program, University of Washington,Seattle, WA 98195, USA
| | - Thomas Schlichthaerle
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Protein Design, University of Washington, Seattle, WA, United States
| | - David Baker
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Protein Design, University of Washington, Seattle, WA, United States
| | - Jessica E. Young
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, United States
| | - Julie Mathieu
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
| | - Hannele Ruohola-Baker
- Department of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, United States
- Department of Biochemistry, School of Medicine, University of Washington, Seattle, WA, United States
- Institute for Stem Cell and Regenerative Medicine, School of Medicine, University of Washington, Seattle, WA, United States
- Department of Biology, University of Washington, Seattle, WA, United States
- Department of Bioengineering, University of Washington, Seattle, WA, United States
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6
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Grillo E, Ravelli C, Colleluori G, D'Agostino F, Domenichini M, Giordano A, Mitola S. Role of gremlin-1 in the pathophysiology of the adipose tissues. Cytokine Growth Factor Rev 2023; 69:51-60. [PMID: 36155165 DOI: 10.1016/j.cytogfr.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/12/2022] [Indexed: 02/07/2023]
Abstract
Gremlin-1 is a secreted bone morphogenetic protein (BMP) antagonist playing a pivotal role in the regulation of tissue formation and embryonic development. Since its first identification in 1997, gremlin-1 has been shown to be a multifunctional factor involved in wound healing, inflammation, cancer and tissue fibrosis. Among others, the activity of gremlin-1 is mediated by its interaction with BMPs or with membrane receptors such as the vascular endothelial growth factor receptor 2 (VEGFR2) or heparan sulfate proteoglycans (HSPGs). Growing evidence has highlighted a central role of gremlin-1 in the homeostasis of the adipose tissue (AT). Of note, gremlin-1 is involved in AT dysfunction during type 2 diabetes, obesity and non-alcoholic fatty liver disease (NAFLD) metabolic disorders. In this review we discuss recent findings on gremlin-1 involvement in AT biology, with particular attention to its role in metabolic diseases, to highlight its potential as a prognostic marker and therapeutic target.
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Affiliation(s)
- Elisabetta Grillo
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.
| | - Cosetta Ravelli
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Georgia Colleluori
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy
| | - Francesco D'Agostino
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Mattia Domenichini
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Antonio Giordano
- Department of Experimental and Clinical Medicine, Marche Polytechnic University, Via Tronto 10/A, 60020 Ancona, Italy
| | - Stefania Mitola
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
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7
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Zhu X, Tang L, Mao J, Hameed Y, Zhang J, Li N, Wu D, Huang Y, Li C. Decoding the Mechanism behind the Pathogenesis of the Focal Segmental Glomerulosclerosis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:1941038. [PMID: 35693262 PMCID: PMC9175094 DOI: 10.1155/2022/1941038] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/26/2022] [Accepted: 03/07/2022] [Indexed: 12/21/2022]
Abstract
Focal segmental glomerulosclerosis (FSGS) is a chronic glomerular disease associated with podocyte injury which is named after the pathologic features of the kidney. The aim of this study is to decode the key changes in gene expression and regulatory network involved in the formation of FSGS. Integrated network analysis included Gene Expression Omnibus (GEO) datasets to identify differentially expressed genes (DEGs) between FSGS patients and healthy donors. Bioinformatics analysis was used to identify the roles of the DEGs and included the development of protein-protein interaction (PPI) networks, Gene Ontology (GO), and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses, and the key modules were assured. The expression levels of DEGs were validated using the additional dataset. Eventually, transcription factors and ceRNA networks were established to illuminate the regulatory relationships in the formation of FSGS. 1130 DEGs including 475 upregulated genes and 655 downregulated genes with functional enrichment analysis were determined. Further analysis uncovered that the validated hub genes were defined as candidate genes, including Complement C3a Receptor 1 (C3AR1), C-C Motif Chemokine Receptor 1(CCR1), C-X3-C Motif Chemokine Ligand 1 (CX3CL1), Melatonin Receptor 1A (MTNR1A), and Purinergic Receptor P2Y13 (P2RY13). More importantly, we identified transcription factors and mRNA-miRNA-lncRNA regulatory networks associated with the candidate genes. The candidate genes and regulatory networks discovered in this study can help to comprehend the molecular mechanism of FSGS and supply potential targets for the diagnosis and therapy of FSGS.
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Affiliation(s)
- Xiao Zhu
- School of Laboratory Medicine, Hangzhou Medical College, Hangzhou 310053, China
| | - Liping Tang
- The Eighth Medical Center, Chinese PLA General Hospital, Beijing 100091, China
| | - Jingxin Mao
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Yasir Hameed
- Department of Biochemistry and Biotechnology, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Jingyu Zhang
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Guangdong Medical University, Zhanjiang 524024, China
| | - Ning Li
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Guangdong Medical University, Zhanjiang 524024, China
| | - Danny Wu
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Guangdong Medical University, Zhanjiang 524024, China
| | - Yongmei Huang
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Guangdong Medical University, Zhanjiang 524024, China
| | - Chen Li
- Department of Biology, Chemistry, Pharmacy, Free University of Berlin, Berlin 14195, Germany
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8
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Li Y, Yu M, Tan L, Xue S, Du X, Wu X, Xu H, Shen Q. Robo2 and Gen1 Coregulate Ureteric Budding by Activating the MAPK/ERK Signaling Pathway in Mice. Front Med (Lausanne) 2022; 8:807898. [PMID: 35071283 PMCID: PMC8766746 DOI: 10.3389/fmed.2021.807898] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
Congenital anomalies of the kidney and urinary tract (CAKUT) are some of the most common developmental defects and have a complicated etiology, indicating an interaction of (epi-) genetic and environmental factors. Single gene mutations and copy number variations (CNVs) do not explain most cases of CAKUT, and simultaneous contributions of more than one gene (di-, oligo-, or polygenic effects; i.e., complex genetics) may lead to the pathogenesis of CAKUT. Robo2 plays a key role in regulating ureteric bud (UB) formation in the embryo, with mutations leading to supernumerary kidneys. Gen1 is a candidate gene associated with CAKUT because of its important role in early metanephric development in mice. We established a mouse model with double disruption of Robo2 and Gen1 using a piggyBac transposon and found that double gene mutation led to significantly increased CAKUT phenotypes in Robo2PB/+Gen1PB/+ mouse offspring, especially a duplicated collecting system. Increased ectopic UB formation was observed in the Robo2PB/+Gen1PB/+ mice during the embryonic period. Robo2 and Gen1 exert synergistic effects on mouse kidney development, promoting cell proliferation by activating the GDNF/RET pathway and downstream MAPK/ERK signaling. Our findings provide a disease model for CAKUT as an oligogenic disorder.
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Affiliation(s)
- Yaxin Li
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
| | - Minghui Yu
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
| | - Lihong Tan
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
| | - Shanshan Xue
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
| | - Xuanjin Du
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
| | - Xiaohui Wu
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China.,State Key Laboratory of Genetic Engineering and National Center for International Research of Development and Disease, Collaborative Innovation Center of Genetics and Development, Institute of Developmental Biology and Molecular Medicine, School of Life Sciences, Fudan University, Shanghai, China
| | - Hong Xu
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
| | - Qian Shen
- Department of Nephrology, Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, China
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9
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Abstract
The reproductive lifespan of female mammals is limited and ultimately depends on the production of a sufficient number of high quality oocytes from a pool of non-growing primordial follicles that are set aside during embryonic and perinatal development. Recent studies show multiple signaling pathways are responsible for maintaining primordial follicle arrest and regulation of activation. Identification of these pathways and their regulatory mechanisms is essential for developing novel treatments for female infertility, improving existing in vitro fertilization techniques, and more recently, restoring the function of cryopreserved ovarian tissue. This review focuses on recent developments in transforming growth factor beta (TGFβ) family signaling in ovarian follicle development and its potential application to therapeutic design. Mouse models have been an essential tool for discovering genes critical for fertility, and recent advancements in human organ culture have additionally allowed for the translation of murine discoveries into human research and clinical settings.
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10
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SMAD4 Feedback Activates the Canonical TGF-β Family Signaling Pathways. Int J Mol Sci 2021; 22:ijms221810024. [PMID: 34576190 PMCID: PMC8471547 DOI: 10.3390/ijms221810024] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/06/2021] [Accepted: 09/14/2021] [Indexed: 02/06/2023] Open
Abstract
TGF-β family signaling pathways, including TGF-β and BMP pathways, are widely involved in the regulation of health and diseases through downstream SMADs, which are also regulated by multiple validated mechanisms, such as genetic regulation, epigenetic regulation, and feedback regulation. However, it is still unclear whether R-SMADs or Co-SMAD can feedback regulate the TGF-β family signaling pathways in granulosa cells (GCs). In this study, we report a novel mechanism underlying the feedback regulation of TGF-β family signaling pathways, i.e., SMAD4, the only Co-SMAD, positive feedback activates the TGF-β family signaling pathways in GCs with a basal level of TGF-β ligands by interacting with the core promoters of its upstream receptors. Mechanistically, SMAD4 acts as a transcription factor, and feedback activates the transcription of its upstream receptors, including ACVR1B, BMPR2, and TGFBR2, of the canonical TGF-β signaling pathways by interacting with three coactivators (c-JUN, CREB1, and SP1), respectively. Notably, three different interaction modes between SMAD4 and coactivators were identified in SMAD4-mediated feedback regulation of upstream receptors through reciprocal ChIP assays. Our findings in the present study indicate for the first time that SMAD4 feedback activates the canonical TGF-β family signaling pathways in GCs, which improves and expands the regulatory mechanism, especially the feedback regulation modes of TGF-β family signaling pathways in ovarian GCs.
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11
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Khatib Shahidi R, M Hoffmann J, Hedjazifar S, Bonnet L, K Baboota R, Heasman S, Church C, Elias I, Bosch F, Boucher J, Hammarstedt A, Smith U. Adult mice are unresponsive to AAV8-Gremlin1 gene therapy targeting the liver. PLoS One 2021; 16:e0247300. [PMID: 33606810 PMCID: PMC7895349 DOI: 10.1371/journal.pone.0247300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 02/05/2021] [Indexed: 11/18/2022] Open
Abstract
Objective Gremlin 1 (GREM1) is a secreted BMP2/4 inhibitor which regulates commitment and differentiation of human adipose precursor cells and prevents the browning effect of BMP4. GREM1 is an insulin antagonist and serum levels are high in type 2 diabetes (T2D). We here examined in vivo effects of AAV8 (Adeno-Associated Viral vectors of serotype eight) GREM 1 targeting the liver in mature mice to increase its systemic secretion and also, in a separate study, injected recombinant GREM 1 intraperitoneally. The objective was to characterize systemic effects of GREM 1 on insulin sensitivity, glucose tolerance, body weight, adipose cell browning and other local tissue effects. Methods Adult mice were injected with AAV8 vectors expressing GREM1 in the liver or receiving regular intra-peritoneal injections of recombinant GREM1 protein. The mice were fed with a low fat or high fat diet (HFD) and followed over time. Results Liver-targeted AAV8-GREM1 did not alter body weight, whole-body glucose and insulin tolerance, or adipose tissue gene expression. Although GREM1 protein accumulated in liver cells, GREM1 serum levels were not increased suggesting that it may not have been normally processed for secretion. Hepatic lipid accumulation, inflammation and fibrosis were also not changed. Repeated intraperitoneal rec-GREM1 injections for 5 weeks were also without effects on body weight and insulin sensitivity. UCP1 was slightly but significantly reduced in both white and brown adipose tissue but this was not of sufficient magnitude to alter body weight. We validated that recombinant GREM1 inhibited BMP4-induced pSMAD1/5/9 in murine cells in vitro, but saw no direct inhibitory effect on insulin signalling and pAkt (ser 473 and thr 308) activation. Conclusion GREM1 accumulates intracellularly when overexpressed in the liver cells of mature mice and is apparently not normally processed/secreted. However, also repeated intraperitoneal injections were without effects on body weight and insulin sensitivity and adipose tissue UCP1 levels were only marginally reduced. These results suggest that mature mice do not readily respond to GREMLIN 1 but treatment of murine cells with GREMLIN 1 protein in vitro validated its inhibitory effect on BMP4 signalling while insulin signalling was not altered.
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Affiliation(s)
- Roxana Khatib Shahidi
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Jenny M Hoffmann
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Shahram Hedjazifar
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Laurianne Bonnet
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Wallenberg Center for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Ritesh K Baboota
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Stephanie Heasman
- Bioscience Metabolism, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Christopher Church
- Bioscience Metabolism, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Ivet Elias
- Center of Animal Biotechnology and Gene Therapy and Department of Biochemistry and Molecular Biology, School of Veterinary Medicine, Universitat Autònoma de Barcelona, Bellaterra and Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)
| | - Fatima Bosch
- Center of Animal Biotechnology and Gene Therapy and Department of Biochemistry and Molecular Biology, School of Veterinary Medicine, Universitat Autònoma de Barcelona, Bellaterra and Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)
| | - Jeremie Boucher
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Wallenberg Center for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden.,Bioscience Metabolism, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Ann Hammarstedt
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ulf Smith
- The Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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12
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Popovic N, Hooker E, Barabino A, Flamier A, Provost F, Buscarlet M, Bernier G, Larrivée B. COCO/DAND5 inhibits developmental and pathological ocular angiogenesis. EMBO Mol Med 2021; 13:e12005. [PMID: 33587337 PMCID: PMC7933934 DOI: 10.15252/emmm.202012005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 12/22/2020] [Accepted: 12/24/2020] [Indexed: 12/11/2022] Open
Abstract
Neovascularization contributes to multiple visual disorders including age‐related macular degeneration (AMD) and retinopathy of prematurity. Current therapies for treating ocular angiogenesis are centered on the inhibition of vascular endothelial growth factor (VEGF). While clinically effective, some AMD patients are refractory or develop resistance to anti‐VEGF therapies and concerns of increased risks of developing geographic atrophy following long‐term treatment have been raised. Identification of alternative pathways to inhibit pathological angiogenesis is thus important. We have identified a novel inhibitor of angiogenesis, COCO, a member of the Cerberus‐related DAN protein family. We demonstrate that COCO inhibits sprouting, migration and cellular proliferation of cultured endothelial cells. Intravitreal injections of COCO inhibited retinal vascularization during development and in models of retinopathy of prematurity. COCO equally abrogated angiogenesis in models of choroidal neovascularization. Mechanistically, COCO inhibited TGFβ and BMP pathways and altered energy metabolism and redox balance of endothelial cells. Together, these data show that COCO is an inhibitor of retinal and choroidal angiogenesis, possibly representing a therapeutic option for the treatment of neovascular ocular diseases.
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Affiliation(s)
- Natalija Popovic
- Faculty of Medicine, University of Montreal, Montreal, QC, Canada.,Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada
| | - Erika Hooker
- Faculty of Medicine, University of Montreal, Montreal, QC, Canada.,Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada
| | - Andrea Barabino
- Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada.,Department of Neurosciences, University of Montreal, Montreal, QC, Canada
| | - Anthony Flamier
- Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada.,Department of Neurosciences, University of Montreal, Montreal, QC, Canada
| | - Frédéric Provost
- Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada
| | - Manuel Buscarlet
- Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada
| | - Gilbert Bernier
- Faculty of Medicine, University of Montreal, Montreal, QC, Canada.,Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada.,Department of Neurosciences, University of Montreal, Montreal, QC, Canada
| | - Bruno Larrivée
- Faculty of Medicine, University of Montreal, Montreal, QC, Canada.,Hôpital Maisonneuve Rosemont Research Centre, Montreal, QC, Canada.,Department of Ophthalmology, University of Montreal, Montreal, QC, Canada
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13
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Liu G, Zhao H, Yan Z, Zhao S, Niu Y, Li X, Wang S, Yang Y, Liu S, Zhang TJ, Wu Z, Wu N. Whole-genome methylation analysis reveals novel epigenetic perturbations of congenital scoliosis. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 23:1281-1287. [PMID: 33717649 PMCID: PMC7907230 DOI: 10.1016/j.omtn.2021.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 02/05/2021] [Indexed: 11/24/2022]
Abstract
Congenital scoliosis (CS) is a congenital disease caused by malformations of vertebrae. Recent studies demonstrated that DNA modification could contribute to the pathogenesis of disease. This study aims to identify epigenetic perturbations that may contribute to the pathogenesis of CS. Four CS patients with hemivertebra were enrolled and underwent spine correction operations. DNA was extracted from the hemivertebrae and spinal process collected from the specimen during the hemivertebra resection. Genome-wide DNA methylation profiling was examined at base-pair resolution using whole-genome bisulfite sequencing (WGBS). We identified 343 genes with hyper-differentially methylated regions (DMRs) and 222 genes with hypo-DMRs, respectively. These genes were enriched in the mitogen-activated protein kinase (MAPK) signaling pathway, calcium signaling pathway, and axon guidance in Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways and were enriched in positive regulation of cell morphogenesis involved in differentiation, regulation of cell morphogenesis involved in differentiation, and regulation of neuron projection development in Biological Process of Gene Ontology (GO-BP) terms. Hyper-DMR-related genes, including IGHG1, IGHM, IGHG3, RNF213, and GSE1, and hypo DMR-related genes, including SORCS2, COL5A1, GRID1, RGS3, and ROBO2, may contribute to the pathogenesis of hemivertebra. The aberrant DNA methylation may be associated with the formation of hemivertebra and congenital scoliosis.
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Affiliation(s)
- Gang Liu
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Hengqiang Zhao
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Zihui Yan
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Sen Zhao
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China
| | - Yuchen Niu
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Xiaoxin Li
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Shengru Wang
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Key Laboratory of Big Data for Spinal Deformities, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Yang Yang
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Key Laboratory of Big Data for Spinal Deformities, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Sen Liu
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Key Laboratory of Big Data for Spinal Deformities, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Terry Jianguo Zhang
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Key Laboratory of Big Data for Spinal Deformities, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Zhihong Wu
- Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Key Laboratory of Big Data for Spinal Deformities, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Nan Wu
- Department of Orthopedic Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Key Laboratory of Big Data for Spinal Deformities, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100730, China.,Beijing Key Laboratory for Genetic Research of Skeletal Deformity, Beijing 100730, China.,Key Laboratory of Big Data for Spinal Deformities, Chinese Academy of Medical Sciences, Beijing 100730, China
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14
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Todd GM, Gao Z, Hyvönen M, Brazil DP, Ten Dijke P. Secreted BMP antagonists and their role in cancer and bone metastases. Bone 2020; 137:115455. [PMID: 32473315 DOI: 10.1016/j.bone.2020.115455] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/23/2020] [Accepted: 05/23/2020] [Indexed: 02/08/2023]
Abstract
Bone morphogenetic proteins (BMPs) are multifunctional secreted cytokines that act in a highly context-dependent manner. BMP action extends beyond the induction of cartilage and bone formation, to encompass pivotal roles in controlling tissue and organ homeostasis during development and adulthood. BMPs signal via plasma membrane type I and type II serine/threonine kinase receptors and intracellular SMAD transcriptional effectors. Exquisite temporospatial control of BMP/SMAD signalling and crosstalk with other cellular cues is achieved by a series of positive and negative regulators at each step in the BMP/SMAD pathway. The interaction of BMP ligand with its receptors is carefully controlled by a diverse set of secreted antagonists that bind BMPs and block their interaction with their cognate BMP receptors. Perturbations in this BMP/BMP antagonist balance are implicated in a range of developmental disorders and diseases, including cancer. Here, we provide an overview of the structure and function of secreted BMP antagonists, and summarize recent novel insights into their role in cancer progression and bone metastasis. Gremlin1 (GREM1) is a highly studied BMP antagonist, and we will focus on this molecule in particular and its role in cancer. The therapeutic potential of pharmacological inhibitors for secreted BMP antagonists for cancer and other human diseases will also be discussed.
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Affiliation(s)
- Grace M Todd
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, UK
| | - Zhichun Gao
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, UK
| | - Marko Hyvönen
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA, UK.
| | - Derek P Brazil
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, UK.
| | - Peter Ten Dijke
- Oncode Institute, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, the Netherlands.
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15
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Scimone C, Donato L, Alafaci C, Granata F, Rinaldi C, Longo M, D'Angelo R, Sidoti A. High-Throughput Sequencing to Detect Novel Likely Gene-Disrupting Variants in Pathogenesis of Sporadic Brain Arteriovenous Malformations. Front Genet 2020; 11:146. [PMID: 32184807 PMCID: PMC7059193 DOI: 10.3389/fgene.2020.00146] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 02/07/2020] [Indexed: 12/22/2022] Open
Abstract
Molecular signaling that leads to brain arteriovenous malformation (bAVM) is to date elusive and this is firstly due to the low frequency of familial cases. Conversely, sporadic bAVM is the most diffuse condition and represents the main source to characterize the genetic basis of the disease. Several studies were conducted in order to detect both germ-line and somatic mutations linked to bAVM development and, in this context, next generation sequencing technologies offer a pivotal resource for the amount of outputted information. We performed whole exome sequencing on a young boy affected by sporadic bAVM. Paired-end sequencing was conducted on an Illumina platform and filtered variants were validated by Sanger sequencing. We detected 20 likely gene-disrupting variants affecting as many loci. Of these variants, 11 are inherited novel variants and one is a de novo nonsense variant, affecting STK4 gene. Moreover, we also considered rare known variants affecting loci involved in vascular differentiation. In order to explain their possible involvement in bAVM pathogenesis, we analyzed molecular networks at Cytoscape platform. In this study we focus on some genetic point variations detected in a child affected by bAVM. Therefore, we suggest these novel affected loci as prioritized for further investigation on pathogenesis of bAVM lesions.
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Affiliation(s)
- Concetta Scimone
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy.,Department of Vanguard Medicine and Therapies, Biomolecular Strategies and Neuroscience, I.E.ME.S.T., Palermo, Italy
| | - Luigi Donato
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy.,Department of Vanguard Medicine and Therapies, Biomolecular Strategies and Neuroscience, I.E.ME.S.T., Palermo, Italy
| | - Concetta Alafaci
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy
| | - Francesca Granata
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy
| | - Carmela Rinaldi
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy
| | - Marcello Longo
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy
| | - Rosalia D'Angelo
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy.,Department of Vanguard Medicine and Therapies, Biomolecular Strategies and Neuroscience, I.E.ME.S.T., Palermo, Italy
| | - Antonina Sidoti
- Department of Biomedical and Dental Science and of Morphological and Functional Images, University of Messina, Messina, Italy.,Department of Vanguard Medicine and Therapies, Biomolecular Strategies and Neuroscience, I.E.ME.S.T., Palermo, Italy
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16
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Li N, Inoue K, Sun J, Niu Y, Lalani S, Yallowitz A, Yang X, Zhang C, Shen R, Zhao B, Xu R, Greenblatt MB. Osteoclasts are not a source of SLIT3. Bone Res 2020; 8:11. [PMID: 32133214 PMCID: PMC7031526 DOI: 10.1038/s41413-020-0086-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 09/29/2019] [Accepted: 10/21/2019] [Indexed: 12/28/2022] Open
Abstract
The axon guidance cue SLIT3 was identified as an osteoanabolic agent in two recent reports. However, these reports conflict in their nomination of osteoblasts versus osteoclasts as the key producers of skeletal SLIT3 and additionally offer conflicting data on the effects of SLIT3 on osteoclastogenesis. Here, aiming to address this discrepancy, we found no observable SLIT3 expression during human or mouse osteoclastogenesis and the only modest SLIT3-mediated effects on osteoclast differentiation. Conditional deletion of SLIT3 in cathepsin K (CTSK)-positive cells, including osteoclasts, had no effect on the number of osteoclast progenitors, in vitro osteoclast differentiation, overall bone mass, or bone resorption/formation parameters. Similar results were observed with the deletion of SLIT3 in LysM-positive cells, including osteoclast lineage cells. Consistent with this finding, bone marrow chimeras made from Slit3 -/- donors that lacked SLIT3 expression at all stages of osteoclast development displayed normal bone mass relative to controls. Taken in context, multiple lines of evidence were unable to identify the physiologic function of osteoclast-derived SLIT3, indicating that osteoblasts are the major source of skeletal SLIT3.
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Affiliation(s)
- Na Li
- State Key Laboratory of Cellular Stress Biology, School of Medicine, Xiamen University, Xiamen, Fujian China
| | - Kazuki Inoue
- Arthritis and Tissue Degeneration Program and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY USA
- Department of Medicine, Weill Cornell Medical College, Cornell University, New York, NY USA
| | - Jun Sun
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, Cornell University, New York, NY USA
| | - Yingzhen Niu
- Division of Adult Reconstruction and Joint Replacement, Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY USA
| | - Sarfaraz Lalani
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, Cornell University, New York, NY USA
| | - Alisha Yallowitz
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, Cornell University, New York, NY USA
| | - Xu Yang
- Division of Adult Reconstruction and Joint Replacement, Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY USA
| | - Chao Zhang
- Institute for Computational Biomedicine, Cornell University, New York, NY USA
| | - Rong Shen
- State Key Laboratory of Cellular Stress Biology, School of Medicine, Xiamen University, Xiamen, Fujian China
| | - Baohong Zhao
- Arthritis and Tissue Degeneration Program and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY USA
- Department of Medicine, Weill Cornell Medical College, Cornell University, New York, NY USA
| | - Ren Xu
- State Key Laboratory of Cellular Stress Biology, School of Medicine, Xiamen University, Xiamen, Fujian China
| | - Matthew B. Greenblatt
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, Cornell University, New York, NY USA
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17
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Niimi T. Roles of Slit Ligands and Their Roundabout (Robo) Family of Receptors in Bone Remodeling. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 21:143-154. [PMID: 32986130 DOI: 10.1007/5584_2020_586] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Slit guidance ligands (Slits) and their roundabout (Robo) family of receptors are well-known axon guidance molecules that were originally identified in Drosophila mutants with commissural axon pathfinding defects. However, Slit-Robo signaling has been shown to be involved in not only neurogenesis, but also the development of other organs such as the kidney and heart. Recently, it was also revealed that Slit-Robo signaling plays an important role in bone metabolism. For example, osteoclast-derived Slit3 plays an osteoprotective role by synchronously stimulating bone formation by osteoblasts and suppressing bone resorption by osteoclasts through Robo receptors expressed on osteoblastic and osteoclastic cell lineages, making it a potential therapeutic target for metabolic bone disorders. Furthermore, osteoblast-derived Slit3 promotes bone formation indirectly as a proangiogenic factor. This review summarizes the recent progress on defining the roles of the Slit-Robo signaling in bone metabolism, and discusses the possible roles of the interaction between Robo and neural epidermal growth factor-like (NEL)-like (NELL) proteins that are novel ligands for Robo receptors.
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Affiliation(s)
- Tomoaki Niimi
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan.
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18
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Dutton LR, O'Neill CL, Medina RJ, Brazil DP. No evidence of Gremlin1-mediated activation of VEGFR2 signaling in endothelial cells. J Biol Chem 2019; 294:18041-18045. [PMID: 31604823 DOI: 10.1074/jbc.ac119.010148] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/20/2019] [Indexed: 01/10/2023] Open
Abstract
Canonical Gremlin1 (GREM1) signaling involves binding to and sequestering bone morphogenetic proteins (BMPs) in the extracellular matrix, preventing the activation of cognate BMP receptor. Exquisite temporospatial control of the GREM1-BMP interaction is required during development, and perturbation of this balance leads to abnormal limb formation and defective kidney development. In addition to inhibition of BMP signaling, several other noncanonical signaling modalities of GREM1 have been postulated. Some literature reports have suggested that GREM1 can bind to and activate vascular endothelial growth factor receptor-2 (VEGFR2) in endothelial cells, human kidney epithelial cells, and others. These reports suggest that the GREM1 → VEGFR2 signaling can drive angiogenesis both in vitro and in vivo We report here that, despite exhaustive attempts, we did not observe GREM1 activation of VEGFR2 in any of the cell lines reported by the above-mentioned studies. Incubation of endothelial colony-forming cells (ECFCs) or human umbilical vein endothelial cells (HUVECs) with recombinant VEGF triggered a robust increase in VEGFR2 tyrosine phosphorylation. In contrast, no VEGFR2 phosphorylation was detected when cells were incubated with recombinant GREM1 over a range of time points and concentrations. We also show that GREM1 does not interfere with VEGF-mediated VEGFR2 activation, suggesting that GREM1 does not bind with any great affinity to VEGFR2. Measurements of ECFC barrier integrity revealed that VEGF induces barrier function disruption, but recombinant human GREM1 had no effect in this assay. We believe that these results provide an important clarification of the potential interaction between GREM1 and VEGFR2 in mammalian cells.
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Affiliation(s)
- Louise R Dutton
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Christina L O'Neill
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Reinhold J Medina
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom
| | - Derek P Brazil
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland, United Kingdom.
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19
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Experimental study of rhBMP-2 chitosan nano-sustained release carrier-loaded PLGA/nHA scaffolds to construct mandibular tissue-engineered bone. Arch Oral Biol 2019; 102:16-25. [DOI: 10.1016/j.archoralbio.2019.03.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/09/2019] [Accepted: 03/27/2019] [Indexed: 11/22/2022]
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