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Koh H, Kang W, Mao YY, Park J, Kim S, Hong SH, Lee JH. Employment of diverse in vitro systems for analyzing multiple aspects of disease, hereditary hemorrhagic telangiectasia (HHT). Cell Biosci 2024; 14:65. [PMID: 38778363 PMCID: PMC11110195 DOI: 10.1186/s13578-024-01247-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND In vitro disease modeling enables translational research by providing insight into disease pathophysiology and molecular mechanisms, leading to the development of novel therapeutics. Nevertheless, in vitro systems have limitations for recapitulating the complexity of tissues, and a single model system is insufficient to gain a comprehensive understanding of a disease. RESULTS Here we explored the potential of using several models in combination to provide mechanistic insight into hereditary hemorrhagic telangiectasia (HHT), a genetic vascular disorder. Genome editing was performed to establish hPSCs (H9) with ENG haploinsufficiency and several in vitro models were used to recapitulate the functional aspects of the cells that constitute blood vessels. In a 2D culture system, endothelial cells showed early senescence, reduced viability, and heightened susceptibility to apoptotic insults, and smooth muscle cells (SMCs) exhibited similar behavior to their wild-type counterparts. Features of HHT were evident in 3D blood-vessel organoid systems, including thickening of capillary structures, decreased interaction between ECs and surrounding SMCs, and reduced cell viability. Features of ENG haploinsufficiency were observed in arterial and venous EC subtypes, with arterial ECs showing significant impairments. Molecular biological approaches confirmed the significant downregulation of Notch signaling in HHT-ECs. CONCLUSIONS Overall, we demonstrated refined research strategies to enhance our comprehension of HHT, providing valuable insights for pathogenic analysis and the exploration of innovative therapeutic interventions. Additionally, these results underscore the importance of employing diverse in vitro systems to assess multiple aspects of disease, which is challenging using a single in vitro system.
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Affiliation(s)
- Hyebin Koh
- Futuristic Animal Resource & Research Center (FARRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Woojoo Kang
- National Primate Research Center (NPRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea
| | - Ying-Ying Mao
- National Primate Research Center (NPRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
- Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, Republic of Korea
| | - Jisoo Park
- National Primate Research Center (NPRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Republic of Korea
| | - Sangjune Kim
- Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Republic of Korea
| | - Seok-Ho Hong
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, Republic of Korea.
- KW-Bio Co., Ltd, Chuncheon, South Korea.
| | - Jong-Hee Lee
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, Republic of Korea.
- National Primate Research Center (NPRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju, Republic of Korea.
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2
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Cheng B, Li Y, Ji YB, Shi W, Li M, Zheng J, Ding L, Liu K, Fang L, Xu Y, Li H, Shao X. Polyethylenimine Triggers Dll4 Degradation to Regulate Angiogenesis In Vitro. ACS OMEGA 2024; 9:7502-7510. [PMID: 38405519 PMCID: PMC10882680 DOI: 10.1021/acsomega.3c06050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 11/28/2023] [Accepted: 01/17/2024] [Indexed: 02/27/2024]
Abstract
The Dll4-Notch signaling pathway plays a crucial role in the regulation of angiogenesis and is a promising therapeutic target for diseases associated with abnormal angiogenesis, such as cancer and ophthalmic diseases. Here, we find that polyethylenimine (PEI), a cationic polymer widely used as nucleic acid transfection reagents, can target the Notch ligand Dll4. By immunostaining and immunoblotting, we demonstrate that PEI significantly induces the clearance of cell-surface Dll4 and facilitates its degradation through the lysosomal pathway. As a result, the activation of Notch signaling in endothelial cells is effectively inhibited by PEI, as evidenced by the observed decrease in the generation of the activated form of Notch and expression of Notch target genes Hes1 and Hey1. Furthermore, through blocking Dll4-mediated Notch signaling, PEI treatment enhances angiogenesis in vitro. Together, our study reveals a novel biological effect of PEI and establishes a foundation for the development of a Dll4-targeted biomaterial for the treatment of angiogenesis-related disease.
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Affiliation(s)
- Binghua Cheng
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanyan Li
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- University
of Chinese Academy of Sciences, Beijing 100049, China
| | - Ya-Bin Ji
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Wenli Shi
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Meiqing Li
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Sino-Euro
Center of Biomedicine and Health, Shenzhen 518024, China
| | - Jiwei Zheng
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Li Ding
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Ke Liu
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Sino-Euro
Center of Biomedicine and Health, Shenzhen 518024, China
| | - Lijing Fang
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Sino-Euro
Center of Biomedicine and Health, Shenzhen 518024, China
| | - Ye Xu
- General
Hospital of Southern Theatre Command, Guangzhou 510010, China
| | - Hongchang Li
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Sino-Euro
Center of Biomedicine and Health, Shenzhen 518024, China
| | - Ximing Shao
- Guangdong
Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials,
Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Sino-Euro
Center of Biomedicine and Health, Shenzhen 518024, China
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3
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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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4
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Lin M, Dai H, Zheng L, Yu P, Chen Y, Hong R, Zheng C. Tryptanthrin inhibits tumor angiogenesis via Notch/Dll4 signaling pathway in zebrafish. Transl Cancer Res 2023; 12:2660-2672. [PMID: 37969390 PMCID: PMC10643962 DOI: 10.21037/tcr-23-925] [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: 05/30/2023] [Accepted: 09/19/2023] [Indexed: 11/17/2023]
Abstract
Background Anti-angiogenic pathways are important for inhibiting tumor growth and migration. Tryptanthrin has anticancer properties in vivo but its anti-angiogenesis activities and associated mechanisms remain unclear. Methods The effects of tryptanthrin were investigated in vivo using fluorescent labeling of blood vessels in zebrafish. Fluorescence quantitation was conducted to analyze the level of delta-like ligand 4 (Dll4) gene expression. Transcriptome sequencing and quantitative polymerase chain reaction (qPCR) analyses were performed to explore the molecular mechanisms of anti-tumor angiogenesis. Results Significant anti-tumor effects were observed in all 48-hpf (hours post-fertilization) zebrafish treated with tryptanthrin (P<0.05). The 6-hpf zebrafish were cultured to 48 and 72 hpf following tryptanthrin treatment. It was found that compared with the control groups, the fluorescence area and the number of complete internode vessels reduced significantly following treatment with medium and high concentrations of tryptanthrin (P<0.05). The relative expression of Dll4 in the 48-hpf zebrafish was significantly inhibited only in the high concentration group (P<0.05). qPCR analysis revealed that the levels of Krt18b, desma, Tnnt2c, and Krt4 gene expression were significantly up-regulated in zebrafish following Dll4 overexpression. After Dll4 knockdown, the level of desma and Tnnt2c gene expression was significantly up-regulated. Conclusions Tryptanthrin can inhibit tumor growth in vivo in a concentration-dependent manner by down-regulating Dll4 protein expression, and at the same time up-regulating the level of desma and Tnnt2c gene expression.
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Affiliation(s)
- Meimei Lin
- Department of Pharmacy, Fuqing City Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Hengfen Dai
- Department of Pharmacy, Affiliated Fuzhou First Hospital of Fujian Medical University, Fuzhou, China
| | - Lanlan Zheng
- Department of Endocrinology, Fuqing City Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Peiqing Yu
- Department of Endocrinology, Fuqing City Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Yan Chen
- Department of Pharmacy, Fuqing City Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Ru Hong
- Department of Pharmacy, Fuqing City Hospital Affiliated to Fujian Medical University, Fuzhou, China
| | - Caiyun Zheng
- Department of Pharmacy, Fuqing City Hospital Affiliated to Fujian Medical University, Fuzhou, China
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5
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Shi L, Song H, Zhou B, Morrow BE. Crk/Crkl regulates early angiogenesis in mouse embryos by accelerating endothelial cell maturation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.12.548782. [PMID: 37503032 PMCID: PMC10369973 DOI: 10.1101/2023.07.12.548782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Rationale Ubiquitously expressed cytoplasmic adaptors CRK and CRKL mediate multiple signaling pathways in mammalian embryogenesis. They are also associated with cardiovascular defects occurring in Miller-Dieker syndrome and 22q11.2 deletion syndrome, respectively. The embryonic mesoderm contributes to the formation of the cardiovascular system, yet the roles that Crk and Crkl play there are not understood on a single cell level. Objectives To determine functions of Crk and Crkl in the embryonic mesoderm during early mouse vascular development. Secondly, we will examine the molecular mechanisms responsible for early embryonic endothelial cell (EC) defects by performing single cell RNA-sequencing (scRNA-seq) and in vivo validation experiments. Methods and Results Inactivation of both Crk and Crkl together using Mesp1 Cre resulted embryonic lethality with severe vascular defects. Although vasculogenesis appeared normal, angiogenesis was disrupted both in the yolk sac and embryo proper, leading to disorganized vascular networks. We performed scRNA-seq of the Mesp1 Cre mesodermal lineage and found that there was upregulation of a great number of angiogenesis and cell migration related genes in ECs in the mutants, including NOTCH signaling genes such as Dll4 and Hey1 . Further bioinformatic analysis of EC subpopulations identified a relative increase in the number of more differentiated angiogenic ECs and decrease in EC progenitors. Consistent with this, we identified an expansion of Dll4 expressing cells within abnormal arteries, in vivo . Also, our bioinformatic data indicates that there is dysregulated expression of lineage genes that promote EC differentiation causing accelerated cell fate progression during EC differentiation. Conclusions Our results show that Crk and Crkl are crucial for regulating early embryonic angiogenesis. Combined inactivation of Crk/Crkl caused precocious EC maturation with an increase of atypical differentiated angiogenic ECs and failed vascular remodeling. This is in part due to increased NOTCH signaling and altered expression of cell migration genes.
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6
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Davies EM, Gurung R, Le KQ, Roan KT, Harvey RP, Mitchell GM, Schwarz Q, Mitchell CA. PI(4,5)P 2-dependent regulation of endothelial tip cell specification contributes to angiogenesis. SCIENCE ADVANCES 2023; 9:eadd6911. [PMID: 37000875 PMCID: PMC10065449 DOI: 10.1126/sciadv.add6911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/24/2023] [Indexed: 06/19/2023]
Abstract
Dynamic positioning of endothelial tip and stalk cells, via the interplay between VEGFR2 and NOTCH signaling, is essential for angiogenesis. VEGFR2 activates PI3K, which phosphorylates PI(4,5)P2 to PI(3,4,5)P3, activating AKT; however, PI3K/AKT does not direct tip cell specification. We report that PI(4,5)P2 hydrolysis by the phosphoinositide-5-phosphatase, INPP5K, contributes to angiogenesis. INPP5K ablation disrupted tip cell specification and impaired embryonic angiogenesis associated with enhanced DLL4/NOTCH signaling. INPP5K degraded a pool of PI(4,5)P2 generated by PIP5K1C phosphorylation of PI(4)P in endothelial cells. INPP5K ablation increased PI(4,5)P2, thereby releasing β-catenin from the plasma membrane, and concurrently increased PI(3,4,5)P3-dependent AKT activation, conditions that licensed DLL4/NOTCH transcription. Suppression of PI(4,5)P2 in INPP5K-siRNA cells by PIP5K1C-siRNA, restored β-catenin membrane localization and normalized AKT signaling. Pharmacological NOTCH or AKT inhibition in vivo or genetic β-catenin attenuation rescued angiogenesis defects in INPP5K-null mice. Therefore, PI(4,5)P2 is critical for β-catenin/DLL4/NOTCH signaling, which governs tip cell specification during angiogenesis.
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Affiliation(s)
- Elizabeth M. Davies
- Cancer Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Victoria 3800, Australia
| | - Rajendra Gurung
- Cancer Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Victoria 3800, Australia
| | - Kai Qin Le
- Cancer Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Victoria 3800, Australia
| | - Katherine T. T. Roan
- Cancer Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Victoria 3800, Australia
| | - Richard P. Harvey
- Victor Chang Cardiac Research Institute, Darlinghurst, New South Wales 2010, Australia
- School of Clinical Medicine and School of Biotechnology and Biomolecular Science, University of New South Wales, Kensington, New South Wales 2052, Australia
| | - Geraldine M. Mitchell
- O’Brien Institute Department of St Vincent’s Institute and University of Melbourne, Department of Surgery, St. Vincent’s Hospital, Fitzroy, Victoria 3065, Australia
- Health Sciences Faculty, Australian Catholic University, Fitzroy, Victoria 3065, Australia
| | - Quenten Schwarz
- Centre for Cancer Biology, SA Pathology and University of South Australia, Adelaide, South Australia 5001, Australia
| | - Christina A. Mitchell
- Cancer Program, Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Victoria 3800, Australia
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Hasan SS, Fischer A. Notch Signaling in the Vasculature: Angiogenesis and Angiocrine Functions. Cold Spring Harb Perspect Med 2023; 13:cshperspect.a041166. [PMID: 35667708 PMCID: PMC9899647 DOI: 10.1101/cshperspect.a041166] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Formation of a functional blood vessel network is a complex process tightly controlled by pro- and antiangiogenic signals released within the local microenvironment or delivered through the bloodstream. Endothelial cells precisely integrate such temporal and spatial changes in extracellular signals and generate an orchestrated response by modulating signaling transduction, gene expression, and metabolism. A key regulator in vessel formation is Notch signaling, which controls endothelial cell specification, proliferation, migration, adhesion, and arteriovenous differentiation. This review summarizes the molecular biology of endothelial Notch signaling and how it controls angiogenesis and maintenance of the established, quiescent vasculature. In addition, recent progress in the understanding of Notch signaling in endothelial cells for controlling organ homeostasis by transcriptional regulation of angiocrine factors and its relevance to disease will be discussed.
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Affiliation(s)
- Sana S Hasan
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Andreas Fischer
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.,Institute for Clinical Chemistry, University Medical Center Göttingen, 37075 Göttingen, Germany.,European Center for Angioscience (ECAS), Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
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8
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Numaga-Tomita T, Shimauchi T, Kato Y, Nishiyama K, Nishimura A, Sakata K, Inada H, Kita S, Iwamoto T, Nabekura J, Birnbaumer L, Mori Y, Nishida M. Inhibition of transient receptor potential cation channel 6 promotes capillary arterialization during post-ischaemic blood flow recovery. Br J Pharmacol 2023; 180:94-110. [PMID: 36068079 PMCID: PMC10092707 DOI: 10.1111/bph.15942] [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: 11/04/2021] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND PURPOSE Capillary arterialization, characterized by the coverage of pre-existing or nascent capillary vessels with vascular smooth muscle cells (VSMCs), is critical for the development of collateral arterioles to improve post-ischaemic blood flow. We previously demonstrated that the inhibition of transient receptor potential 6 subfamily C, member 6 (TRPC6) channels facilitate contractile differentiation of VSMCs under ischaemic stress. We here investigated whether TRPC6 inhibition promotes post-ischaemic blood flow recovery through capillary arterialization in vivo. EXPERIMENTAL APPROACH Mice were subjected to hindlimb ischaemia by ligating left femoral artery. The recovery rate of peripheral blood flow was calculated by the ratio of ischaemic left leg to non-ischaemic right one. The number and diameter of blood vessels were analysed by immunohistochemistry. Expression and phosphorylation levels of TRPC6 proteins were determined by western blotting and immunohistochemistry. KEY RESULTS Although the post-ischaemic blood flow recovery is reportedly dependent on endothelium-dependent relaxing factors, systemic TRPC6 deletion significantly promoted blood flow recovery under the condition that nitric oxide or prostacyclin production were inhibited, accompanying capillary arterialization. Cilostazol, a clinically approved drug for peripheral arterial disease, facilitates blood flow recovery by inactivating TRPC6 via phosphorylation at Thr69 in VSMCs. Furthermore, inhibition of TRPC6 channel activity by pyrazole-2 (Pyr2; BTP2; YM-58483) promoted post-ischaemic blood flow recovery in Apolipoprotein E-knockout mice. CONCLUSION AND IMPLICATIONS Suppression of TRPC6 channel activity in VSMCs could be a new strategy for the improvement of post-ischaemic peripheral blood circulation.
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Affiliation(s)
- Takuro Numaga-Tomita
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Aichi, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Aichi, Japan.,SOKENDAI (School of Life Science, The Graduate University for Advanced Studies), Aichi, Japan.,Shinshu University School of Medicine, Nagano, Japan
| | - Tsukasa Shimauchi
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Aichi, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Aichi, Japan.,Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.,Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yuri Kato
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Kazuhiro Nishiyama
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Akiyuki Nishimura
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Aichi, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Aichi, Japan.,SOKENDAI (School of Life Science, The Graduate University for Advanced Studies), Aichi, Japan
| | - Kosuke Sakata
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroyuki Inada
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Aichi, Japan
| | - Satomi Kita
- Faculty of Medicine, Fukuoka University, Fukuoka, Japan.,Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan
| | | | - Junichi Nabekura
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Aichi, Japan
| | - Lutz Birnbaumer
- NIEHS, NIH, Research Triangle Park, North Carolina, USA.,Institute for Biomedical Research (BIOMED), Catholic University of Argentina, Buenos Aires, Argentina
| | - Yasuo Mori
- Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Motohiro Nishida
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Aichi, Japan.,Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Aichi, Japan.,SOKENDAI (School of Life Science, The Graduate University for Advanced Studies), Aichi, Japan.,Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
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9
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Drapé E, Anquetil T, Larrivée B, Dubrac A. Brain arteriovenous malformation in hereditary hemorrhagic telangiectasia: Recent advances in cellular and molecular mechanisms. Front Hum Neurosci 2022; 16:1006115. [PMID: 36504622 PMCID: PMC9729275 DOI: 10.3389/fnhum.2022.1006115] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/27/2022] [Indexed: 11/25/2022] Open
Abstract
Hereditary hemorrhagic telangiectasia (HHT) is a genetic disorder characterized by vessel dilatation, such as telangiectasia in skin and mucosa and arteriovenous malformations (AVM) in internal organs such as the gastrointestinal tract, lungs, and brain. AVMs are fragile and tortuous vascular anomalies that directly connect arteries and veins, bypassing healthy capillaries. Mutations in transforming growth factor β (TGFβ) signaling pathway components, such as ENG (ENDOGLIN), ACVRL1 (ALK1), and SMAD4 (SMAD4) genes, account for most of HHT cases. 10-20% of HHT patients develop brain AVMs (bAVMs), which can lead to vessel wall rupture and intracranial hemorrhages. Though the main mutations are known, mechanisms leading to AVM formation are unclear, partially due to lack of animal models. Recent mouse models allowed significant advances in our understanding of AVMs. Endothelial-specific deletion of either Acvrl1, Eng or Smad4 is sufficient to induce AVMs, identifying endothelial cells (ECs) as primary targets of BMP signaling to promote vascular integrity. Loss of ALK1/ENG/SMAD4 signaling is associated with NOTCH signaling defects and abnormal arteriovenous EC differentiation. Moreover, cumulative evidence suggests that AVMs originate from venous ECs with defective flow-migration coupling and excessive proliferation. Mutant ECs show an increase of PI3K/AKT signaling and inhibitors of this signaling pathway rescue AVMs in HHT mouse models, revealing new therapeutic avenues. In this review, we will summarize recent advances and current knowledge of mechanisms controlling the pathogenesis of bAVMs, and discuss unresolved questions.
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Affiliation(s)
- Elise Drapé
- Centre de Recherche, CHU St. Justine, Montréal, QC, Canada,Département de Pharmacologie et de Physiologie, Université de Montréal, Montréal, QC, Canada
| | - Typhaine Anquetil
- Centre de Recherche, CHU St. Justine, Montréal, QC, Canada,Département De Pathologie et Biologie Cellulaire, Université de Montréal, Montréal, QC, Canada
| | - Bruno Larrivée
- Département d’Ophtalmologie, Université de Montréal, Montréal, QC, Canada,Centre De Recherche, Hôpital Maisonneuve-Rosemont, Montréal, QC, Canada,*Correspondence: Bruno Larrivée,
| | - Alexandre Dubrac
- Centre de Recherche, CHU St. Justine, Montréal, QC, Canada,Département De Pathologie et Biologie Cellulaire, Université de Montréal, Montréal, QC, Canada,Département d’Ophtalmologie, Université de Montréal, Montréal, QC, Canada,Alexandre Dubrac,
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10
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Vetiska S, Wälchli T, Radovanovic I, Berhouma M. Molecular and genetic mechanisms in brain arteriovenous malformations: new insights and future perspectives. Neurosurg Rev 2022; 45:3573-3593. [PMID: 36219361 DOI: 10.1007/s10143-022-01883-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/30/2022] [Accepted: 10/05/2022] [Indexed: 10/17/2022]
Abstract
Brain arteriovenous malformations (bAVMs) are rare vascular lesions made of shunts between cerebral arteries and veins without the interposition of a capillary bed. The majority of bAVMs are asymptomatic, but some may be revealed by seizures and potentially life-threatening brain hemorrhage. The management of unruptured bAVMs remains a matter of debate. Significant progress in the understanding of their pathogenesis has been made during the last decade, particularly using genome sequencing and biomolecular analysis. Herein, we comprehensively review the recent molecular and genetic advances in the study of bAVMs that not only allow a better understanding of the genesis and growth of bAVMs, but also open new insights in medical treatment perspectives.
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Affiliation(s)
- Sandra Vetiska
- Krembil Brain Institute, University Health Network, Toronto, Ontario, Canada
| | - Thomas Wälchli
- Krembil Brain Institute, University Health Network, Toronto, Ontario, Canada.,Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.,Group of CNS Angiogenesis and Neurovascular Link, Neuroscience Center Zurich, and Division of Neurosurgery, University and University Hospital Zurich, and Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland.,Division of Neurosurgery, University Hospital Zurich, Zurich, Switzerland
| | - Ivan Radovanovic
- Krembil Brain Institute, University Health Network, Toronto, Ontario, Canada.,Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada
| | - Moncef Berhouma
- Department of Neurosurgery, University Hospital of Dijon Bourgogne, Dijon, France. .,CREATIS Lab, CNRS UMR 5220, INSERM U1294, Lyon 1, University, Lyon, France.
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11
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De Zoysa P, Toubat O, Harvey DC, Yi C, Liu J, Cavallero S, Hong YK, Sucov HM, Kumar SR. Delta-like ligand-4 regulates Notch-mediated maturation of second heart field progenitor-derived pharyngeal arterial endothelial cells. J Cell Mol Med 2022; 26:5181-5194. [PMID: 36082581 PMCID: PMC9575135 DOI: 10.1111/jcmm.17542] [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: 06/22/2021] [Revised: 08/02/2022] [Accepted: 08/22/2022] [Indexed: 11/27/2022] Open
Abstract
Mesodermal progenitors in the second heart field (SHF) express Delta‐like‐ligand 4 (Dll4) that regulates Notch‐mediated proliferation. As cells of SHF lineage mature to assume endocardial and myocardial cell fates, we have shown that Dll4 expression is lost, and the subsequent expression of another Notch ligand Jagged1 regulates Notch‐mediated maturation events in the developing heart. A subset of SHF progenitors also matures to form the pharyngeal arch artery (PAA) endothelium. Dll4 was originally identified as an arterial endothelial‐specific Notch ligand that plays an important role in blood vessel maturation, but its role in aortic arch maturation has not been studied to date secondary to the early lethality observed in Dll4 knockout mice. We show that, unlike in SHF‐derived endocardium and myocardium, Dll4 expression persists in SHF‐derived arterial endothelial cells. Using SHF‐specific conditional deletion of Dll4, we demonstrate that as SHF cells transition from their progenitor state to an endothelial fate, Dll4‐mediated Notch signalling switches from providing proliferative to maturation cues. Dll4 expression maintains arterial identity in the PAAs and plays a critical role in the maturation and re‐organization of the 4th pharyngeal arch artery, in particular. Haploinsufficiency of Dll4 in SHF leads to highly penetrant aortic arch artery abnormalities, similar to those observed in the clinic, primarily resulting from aberrant reorganization of bilateral 4th pharyngeal arch arteries. Hence, we show that cells of SHF lineage that assume an arterial endothelial fate continue to express Dll4 and the resulting Dll4‐mediated Notch signalling transitions from an early proliferative to a later maturation role during aortic arch development.
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Affiliation(s)
- Prashan De Zoysa
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Omar Toubat
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Drayton C Harvey
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Christopher Yi
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Jiang Liu
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Susana Cavallero
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
| | - Young-Kwon Hong
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Henry M Sucov
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Subramanyan Ram Kumar
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.,Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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12
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Sharma D, Bisen S, Kaur G, Van Buren EC, Rao GN, Singh NK. IL-33 enhances Jagged1 mediated NOTCH1 intracellular domain (NICD) deubiquitination and pathological angiogenesis in proliferative retinopathy. Commun Biol 2022; 5:479. [PMID: 35589941 PMCID: PMC9120174 DOI: 10.1038/s42003-022-03432-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 04/29/2022] [Indexed: 01/10/2023] Open
Abstract
Pathological retinal neovascularization (NV) is a clinical manifestation of various proliferative retinopathies, and treatment of NV using anti-VEGF therapies is not selective, as it also impairs normal retinal vascular growth and function. Here, we show that genetic deletion or siRNA-mediated downregulation of IL-33 reduces pathological NV in a murine model of oxygen-induced retinopathy (OIR) with no effect on the normal retinal repair. Furthermore, our fluorescent activated cell sorting (FACS) data reveals that the increase in IL-33 expression is in endothelial cells (ECs) of the hypoxic retina and conditional genetic deletion of IL-33 in retinal ECs reduces pathological NV. In vitro studies using human retinal microvascular endothelial cells (HRMVECs) show that IL-33 induces sprouting angiogenesis and requires NFkappaB-mediated Jagged1 expression and Notch1 activation. Our data also suggest that IL-33 enhances de-ubiquitination and stabilization of Notch1 intracellular domain via its interaction with BRCA1-associated protein 1 (BAP1) and Numb in HRMVECs and a murine model of OIR.
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Affiliation(s)
- Deepti Sharma
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA
| | - Shivantika Bisen
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA
| | - Geetika Kaur
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA
| | - Eric C Van Buren
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Gadiparthi N Rao
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Nikhlesh K Singh
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA.
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA.
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13
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Notch signaling pathway: architecture, disease, and therapeutics. Signal Transduct Target Ther 2022; 7:95. [PMID: 35332121 PMCID: PMC8948217 DOI: 10.1038/s41392-022-00934-y] [Citation(s) in RCA: 269] [Impact Index Per Article: 134.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 02/07/2023] Open
Abstract
The NOTCH gene was identified approximately 110 years ago. Classical studies have revealed that NOTCH signaling is an evolutionarily conserved pathway. NOTCH receptors undergo three cleavages and translocate into the nucleus to regulate the transcription of target genes. NOTCH signaling deeply participates in the development and homeostasis of multiple tissues and organs, the aberration of which results in cancerous and noncancerous diseases. However, recent studies indicate that the outcomes of NOTCH signaling are changeable and highly dependent on context. In terms of cancers, NOTCH signaling can both promote and inhibit tumor development in various types of cancer. The overall performance of NOTCH-targeted therapies in clinical trials has failed to meet expectations. Additionally, NOTCH mutation has been proposed as a predictive biomarker for immune checkpoint blockade therapy in many cancers. Collectively, the NOTCH pathway needs to be integrally assessed with new perspectives to inspire discoveries and applications. In this review, we focus on both classical and the latest findings related to NOTCH signaling to illustrate the history, architecture, regulatory mechanisms, contributions to physiological development, related diseases, and therapeutic applications of the NOTCH pathway. The contributions of NOTCH signaling to the tumor immune microenvironment and cancer immunotherapy are also highlighted. We hope this review will help not only beginners but also experts to systematically and thoroughly understand the NOTCH signaling pathway.
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14
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Zhan C, Sun Y, Pan J, Chen L, Yuan T. Effect of the Notch4/Dll4 signaling pathway in early gestational intrauterine infection on lung development. Exp Ther Med 2021; 22:972. [PMID: 34335914 PMCID: PMC8290428 DOI: 10.3892/etm.2021.10404] [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: 05/29/2020] [Accepted: 02/05/2021] [Indexed: 11/29/2022] Open
Abstract
Intrauterine infection is an important risk factor for bronchopulmonary dysplasia (BPD). BPD is characterized by arrested lung alveolarization and impaired pulmonary vascularization. The Notch4 signaling pathway is a key regulator of vascular remodeling and angiogenesis. Therefore, the presents study investigated the expression of Notch4, delta-like canonical Notch ligand 4 (Dll4) and related factors in an in vivo rat model and in rat pulmonary microvascular endothelial cells (PMVECs) in vitro, to study the mechanisms by which intrauterine infection affects rat lung development. A rat model of intrauterine infection was established by endocervical inoculation with Escherichia scoli on embryonic day 15. The date of birth was counted as postnatal day 0 (P0). Then, the lung tissues were collected from pups at days P3-P14. The expression of Notch4, Dll4 and related factors was measured by reverse transcription-quantitative PCR and western blotting. In addition, the γ-secretase inhibitor DAPT was used to examine the effect of Notch4 signaling on PMVECs. Intrauterine E. coli infection impaired normal lung development, as indicated by decreased microvessel density, fewer alveoli, fewer secondary septa, and larger alveoli compared with the control group. Furthermore, Notch4, Dll4 and NF-κB levels were significantly increased in the E. coli-infected group at P3 compared with the control group. Similarly, the mRNA expression levels of fetal liver kinase 1 (Flk-1, a VEGF receptor) were significantly increased in the E. coli-infected group at P3 and P7. In PMVECs, the inhibition of Notch4 signaling contributed to decreases in lipopolysaccharide (LPS)-induced expression of VEGF and its receptors. Furthermore, the inhibition of Notch4/Dll4 signaling accelerated cell proliferation and decreased the apoptosis rate of LPS-induced PMVECs. LPS-induced NF-κB expression in PMVECs was also attenuated by the Notch4/Dll4 inhibitor. In conclusion, intrauterine E. coli infection impaired normal lung development, possibly through Notch4/Dll4 signaling and effects on VEGF and its receptors.
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Affiliation(s)
- Canyang Zhan
- Department of Neonatology, Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
| | - Yi Sun
- Department of Neonatology, Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
| | - Jiarong Pan
- Department of Neonatology, Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
| | - Lihua Chen
- Department of Neonatology, Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
| | - Tianming Yuan
- Department of Neonatology, Children's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, P.R. China
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15
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Abstract
The Notch signalling pathway is one of the main regulators of endothelial biology. In the last 20 years the critical function of Notch has been uncovered in the context of angiogenesis, participating in tip-stalk specification, arterial-venous differentiation, vessel stabilization, and maturation processes. Importantly, pharmacological compounds targeting distinct members of the Notch signalling pathway have been used in the clinics for cancer therapy. However, the underlying mechanisms that support the variety of outcomes triggered by Notch in apparently opposite contexts such as angiogenesis and vascular homeostasis remain unknown. In recent years, advances in -omics technologies together with mosaic analysis and high molecular, cellular and temporal resolution studies have allowed a better understanding of the mechanisms driven by the Notch signalling pathway in different endothelial contexts. In this review we will focus on the main findings that revisit the role of Notch signalling in vascular biology. We will also discuss potential future directions and technologies that will shed light on the puzzling role of Notch during endothelial growth and homeostasis. Addressing these open questions may allow the improvement and development of therapeutic strategies based on modulation of the Notch signalling pathway.
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16
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Xia S, Menden HL, Townley N, Mabry SM, Johnston J, Nyp MF, Heruth DP, Korfhagen T, Sampath V. Delta-like 4 is required for pulmonary vascular arborization and alveolarization in the developing lung. JCI Insight 2021; 6:134170. [PMID: 33830085 PMCID: PMC8119184 DOI: 10.1172/jci.insight.134170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 02/25/2021] [Indexed: 11/23/2022] Open
Abstract
The molecular mechanisms by which endothelial cells (ECs) regulate pulmonary vascularization and contribute to alveolar epithelial cell development during lung morphogenesis remain unknown. We tested the hypothesis that delta-like 4 (DLL4), an EC Notch ligand, is critical for alveolarization by combining lung mapping and functional studies in human tissue and DLL4-haploinsufficient mice (Dll4+/lacz). DLL4 expressed in a PECAM-restricted manner in capillaries, arteries, and the alveolar septum from the canalicular to alveolar stage in mice and humans. Dll4 haploinsufficiency resulted in exuberant, nondirectional vascular patterning at E17.5 and P6, followed by smaller capillaries and fewer intermediate blood vessels at P14. Vascular defects coincided with polarization of lung EC expression toward JAG1-NICD-HES1 signature and decreased tip cell-like (Car4) markers. Dll4+/lacZ mice had impaired terminal bronchiole development at the canalicular stage and impaired alveolarization upon lung maturity. We discovered that alveolar type I cell (Aqp5) markers progressively decreased in Dll4+/lacZ mice after birth. Moreover, in human lung EC, DLL4 deficiency programmed a hypersprouting angiogenic phenotype cell autonomously. In conclusion, DLL4 is expressed from the canalicular to alveolar stage in mice and humans, and Dll4 haploinsufficiency programs dysmorphic microvascularization, impairing alveolarization. Our study reveals an obligate role for DLL4-regulated angiogenesis in distal lung morphogenesis.
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Affiliation(s)
- Sheng Xia
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Heather L. Menden
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Nick Townley
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Sherry M. Mabry
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Jeffrey Johnston
- Genomic Medicine Center, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Michael F. Nyp
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Daniel P. Heruth
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Thomas Korfhagen
- Division of Neonatology, Department of Pediatrics, Cincinnati Children’s Hospital, Cincinnati, Ohio, USA
| | - Venkatesh Sampath
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
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17
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Akil A, Gutiérrez-García AK, Guenter R, Rose JB, Beck AW, Chen H, Ren B. Notch Signaling in Vascular Endothelial Cells, Angiogenesis, and Tumor Progression: An Update and Prospective. Front Cell Dev Biol 2021; 9:642352. [PMID: 33681228 PMCID: PMC7928398 DOI: 10.3389/fcell.2021.642352] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 01/19/2021] [Indexed: 12/12/2022] Open
Abstract
The Notch signaling pathway plays an essential role in a wide variety of biological processes including cell fate determination of vascular endothelial cells and the regulation of arterial differentiation and angiogenesis. The Notch pathway is also an essential regulator of tumor growth and survival by functioning as either an oncogene or a tumor suppressor in a context-dependent manner. Crosstalk between the Notch and other signaling pathways is also pivotal in tumor progression by promoting cancer cell growth, migration, invasion, metastasis, tumor angiogenesis, and the expansion of cancer stem cells (CSCs). In this review, we provide an overview and update of Notch signaling in endothelial cell fate determination and functioning, angiogenesis, and tumor progression, particularly in the development of CSCs and therapeutic resistance. We further summarize recent studies on how endothelial signaling crosstalk with the Notch pathway contributes to tumor angiogenesis and the development of CSCs, thereby providing insights into vascular biology within the tumor microenvironment and tumor progression.
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Affiliation(s)
- Abdellah Akil
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Ana K. Gutiérrez-García
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Rachael Guenter
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - J. Bart Rose
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- O’Neal Comprehensive Cancer Center, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Adam W. Beck
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Herbert Chen
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- O’Neal Comprehensive Cancer Center, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Bin Ren
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
- O’Neal Comprehensive Cancer Center, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
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18
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Mühleder S, Fernández-Chacón M, Garcia-Gonzalez I, Benedito R. Endothelial sprouting, proliferation, or senescence: tipping the balance from physiology to pathology. Cell Mol Life Sci 2020; 78:1329-1354. [PMID: 33078209 PMCID: PMC7904752 DOI: 10.1007/s00018-020-03664-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/05/2020] [Accepted: 10/01/2020] [Indexed: 12/11/2022]
Abstract
Therapeutic modulation of vascular cell proliferation and migration is essential for the effective inhibition of angiogenesis in cancer or its induction in cardiovascular disease. The general view is that an increase in vascular growth factor levels or mitogenic stimulation is beneficial for angiogenesis, since it leads to an increase in both endothelial proliferation and sprouting. However, several recent studies showed that an increase in mitogenic stimuli can also lead to the arrest of angiogenesis. This is due to the existence of intrinsic signaling feedback loops and cell cycle checkpoints that work in synchrony to maintain a balance between endothelial proliferation and sprouting. This balance is tightly and effectively regulated during tissue growth and is often deregulated or impaired in disease. Most therapeutic strategies used so far to promote vascular growth simply increase mitogenic stimuli, without taking into account its deleterious effects on this balance and on vascular cells. Here, we review the main findings on the mechanisms controlling physiological vascular sprouting, proliferation, and senescence and how those mechanisms are often deregulated in acquired or congenital cardiovascular disease leading to a diverse range of pathologies. We also discuss alternative approaches to increase the effectiveness of pro-angiogenic therapies in cardiovascular regenerative medicine.
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Affiliation(s)
- Severin Mühleder
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro 3, 28029, Madrid, Spain
| | - Macarena Fernández-Chacón
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro 3, 28029, Madrid, Spain
| | - Irene Garcia-Gonzalez
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro 3, 28029, Madrid, Spain
| | - Rui Benedito
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernández Almagro 3, 28029, Madrid, Spain.
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19
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Marchetti M, Meloni M, Anwar M, Al-Haj-Zen A, Sala-Newby G, Slater S, Ford K, Caporali A, Emanueli C. MicroRNA-24-3p Targets Notch and Other Vascular Morphogens to Regulate Post-ischemic Microvascular Responses in Limb Muscles. Int J Mol Sci 2020; 21:E1733. [PMID: 32138369 PMCID: PMC7084374 DOI: 10.3390/ijms21051733] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 12/16/2022] Open
Abstract
MicroRNAs (miRs) regulate complex processes, including angiogenesis, by targeting multiple mRNAs. miR-24-3p-3p directly represses eNOS, GATA2, and PAK4 in endothelial cells (ECs), thus inhibiting angiogenesis during development and in the infarcted heart. miR-24-3p is widely expressed in cardiovascular cells, suggesting that it could additionally regulate angiogenesis by acting on vascular mural cells. Here, we have investigated: 1) new miR-24-3p targets; 2) the expression and the function of miR-24-3p in human vascular ECs; 3) the impact of miR-24-3p inhibition in the angiogenesis reparative response to limb ischemia in mice. Using bioinformatics target prediction platforms and 3'-UTR luciferase assays, we newly identified Notch1 and its Delta-like ligand 1 (Dll1) to be directly targeted by miR-24-3p. miR-24-3p was expressed in human ECs and pericytes cultured under normal conditions. Exposure to hypoxia increased miR-24-3p in ECs but not in pericytes. Transfection with a miR-24-3p precursor (pre-miR-24-3p) increased miR-24-3p expression in ECs, reducing the cell survival, proliferation, and angiogenic capacity. Opposite effects were caused by miR-24-3p inhibition. The anti-angiogenic action of miR-24-3p overexpression could be prevented by simultaneous adenovirus (Ad)-mediated delivery of constitutively active Notch intracellular domain (NICD) into cultured ECs. We next demonstrated that reduced Notch signalling contributes to the anti-angiogenic effect of miR-24-3p in vitro. In a mouse unilateral limb ischemia model, local miR-24-3p inhibition (by adenovirus-mediated miR-24-3p decoy delivery) restored endothelial Notch signalling and increased capillary density. However, the new vessels appeared disorganised and twisted, worsening post-ischemic blood perfusion recovery. To better understand the underpinning mechanisms, we widened the search for miR-24-3p target genes, identifying several contributors to vascular morphogenesis, such as several members of the Wingless (Wnt) signalling pathway, β-catenin signalling components, and VE-cadherin, which synergise to regulate angiogenesis, pericytes recruitment to neoformed capillaries, maturation, and stabilization of newly formed vessels. Among those, we next focussed on β-catenin to demonstrate that miR-24-3p inhibition reduces β-catenin expression in hypoxic ECs, which is accompanied by reduced adhesion of pericytes to ECs. In summary, miR-24-3p differentially targets several angiogenesis modulators and contributes to autonomous and non-autonomous EC crosstalk. In ischemic limbs, miR-24-3p inhibition increases the production of dysfunctional microvessels, impairing perfusion. Caution should be observed in therapeutic targeting of miR-24-3p.
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Affiliation(s)
- Micol Marchetti
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Marco Meloni
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Maryam Anwar
- National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK;
| | - Ayman Al-Haj-Zen
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Graciela Sala-Newby
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Sadie Slater
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Kerrie Ford
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
| | - Andrea Caporali
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh EH164TJ, UK
| | - Costanza Emanueli
- Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Bristol BS2 8HW, UK; (M.M.); (M.M.); (A.A.-H.-Z.); (G.S.-N.); (S.S.); (K.F.); (A.C.)
- National Heart and Lung Institute, Imperial College London, London SW3 6LY, UK;
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20
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Travisano SI, Oliveira VL, Prados B, Grego-Bessa J, Piñeiro-Sabarís R, Bou V, Gómez MJ, Sánchez-Cabo F, MacGrogan D, de la Pompa JL. Coronary arterial development is regulated by a Dll4-Jag1-EphrinB2 signaling cascade. eLife 2019; 8:49977. [PMID: 31789590 PMCID: PMC6917494 DOI: 10.7554/elife.49977] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 12/01/2019] [Indexed: 12/29/2022] Open
Abstract
Coronaries are essential for myocardial growth and heart function. Notch is crucial for mouse embryonic angiogenesis, but its role in coronary development remains uncertain. We show Jag1, Dll4 and activated Notch1 receptor expression in sinus venosus (SV) endocardium. Endocardial Jag1 removal blocks SV capillary sprouting, while Dll4 inactivation stimulates excessive capillary growth, suggesting that ligand antagonism regulates coronary primary plexus formation. Later endothelial ligand removal, or forced expression of Dll4 or the glycosyltransferase Mfng, blocks coronary plexus remodeling, arterial differentiation, and perivascular cell maturation. Endocardial deletion of Efnb2 phenocopies the coronary arterial defects of Notch mutants. Angiogenic rescue experiments in ventricular explants, or in primary human endothelial cells, indicate that EphrinB2 is a critical effector of antagonistic Dll4 and Jag1 functions in arterial morphogenesis. Thus, coronary arterial precursors are specified in the SV prior to primary coronary plexus formation and subsequent arterial differentiation depends on a Dll4-Jag1-EphrinB2 signaling cascade.
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Affiliation(s)
- Stanislao Igor Travisano
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - Vera Lucia Oliveira
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - Belén Prados
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - Joaquim Grego-Bessa
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - Rebeca Piñeiro-Sabarís
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - Vanesa Bou
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - Manuel J Gómez
- Bioinformatics Unit, Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Fátima Sánchez-Cabo
- Bioinformatics Unit, Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - Donal MacGrogan
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
| | - José Luis de la Pompa
- Intercellular Signalling in Cardiovascular Development and Disease Laboratory, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain.,CIBER de Enfermedades Cardiovasculares, Madrid, Spain
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21
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The protein tyrosine phosphatase PTPRJ/DEP-1 contributes to the regulation of the Notch-signaling pathway and sprouting angiogenesis. Angiogenesis 2019; 23:145-157. [DOI: 10.1007/s10456-019-09683-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 09/23/2019] [Indexed: 12/15/2022]
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22
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Higashijima Y, Kanki Y. Molecular mechanistic insights: The emerging role of SOXF transcription factors in tumorigenesis and development. Semin Cancer Biol 2019; 67:39-48. [PMID: 31536760 DOI: 10.1016/j.semcancer.2019.09.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 07/31/2019] [Accepted: 09/15/2019] [Indexed: 01/22/2023]
Abstract
Over the last decade, the development and progress of next-generation sequencers incorporated with classical biochemical analyses have drastically produced novel insights into transcription factors, including Sry-like high-mobility group box (SOX) factors. In addition to their primary functions in binding to and activating specific downstream genes, transcription factors also participate in the dedifferentiation or direct reprogramming of somatic cells to undifferentiated cells or specific lineage cells. Since the discovery of SOX factors, members of the SOXF (SOX7, SOX17, and SOX18) family have been identified to play broad roles, especially with regard to cardiovascular development. More recently, SOXF factors have been recognized as crucial players in determining the cell fate and in the regulation of cancer cells. Here, we provide an overview of research on the mechanism by which SOXF factors regulate development and cancer, and discuss their potential as new targets for cancer drugs while offering insight into novel mechanistic transcriptional regulation during cell lineage commitment.
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Affiliation(s)
- Yoshiki Higashijima
- Department of Bioinformational Pharmacology, Tokyo Medical and Dental University, Tokyo 113-8510, Japan; Isotope Science Center, The University of Tokyo, Tokyo 113-0032, Japan
| | - Yasuharu Kanki
- Isotope Science Center, The University of Tokyo, Tokyo 113-0032, Japan.
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23
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Yasuda D, Kobayashi D, Akahoshi N, Ohto-Nakanishi T, Yoshioka K, Takuwa Y, Mizuno S, Takahashi S, Ishii S. Lysophosphatidic acid-induced YAP/TAZ activation promotes developmental angiogenesis by repressing Notch ligand Dll4. J Clin Invest 2019; 129:4332-4349. [PMID: 31335323 DOI: 10.1172/jci121955] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Lysophosphatidic acid (LPA) is a potent lipid mediator with various biological functions mediated through six G protein-coupled receptors (GPCRs), LPA1-6. Previous studies have demonstrated that LPA-Gα12/Gα13 signaling plays an important role in embryonic vascular development. However, the responsible LPA receptors and underlying mechanisms are poorly understood. Here, we show a critical role of LPA4 and LPA6 in developmental angiogenesis. In mice, Lpa4;Lpa6 double knockout (DKO) embryos were lethal due to global vascular deficiencies, and endothelial cell (EC)-specific Lpa4;Lpa6 DKO retinas had impaired sprouting angiogenesis. Mechanistically, LPA activated the transcriptional regulators YAP and TAZ through LPA4/LPA6-mediated Gα12/Gα13-Rho-ROCK signaling in ECs. YAP/TAZ knockdown increased β-catenin- and Notch intracellular domain (NICD)-mediated endothelial expression of the Notch ligand delta-like 4 (DLL4). Fibrin gel sprouting assay revealed that LPA4/LPA6, Gα12/Gα13, or YAP/TAZ knockdown consistently blocked EC sprouting, which was rescued by a Notch inhibitor. Of note, the inhibition of Notch signaling also ameliorated impaired retinal angiogenesis in EC-specific Lpa4;Lpa6 DKO mice. Overall, these results suggest that the Gα12/Gα13-coupled receptors LPA4 and LPA6 synergistically regulate endothelial Dll4 expression through YAP/TAZ activation. This could in part account for the mechanism of YAP/TAZ-mediated developmental angiogenesis. Our findings provide a novel insight into the biology of GPCR-activated YAP/TAZ.
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Affiliation(s)
- Daisuke Yasuda
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
| | - Daiki Kobayashi
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
| | - Noriyuki Akahoshi
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
| | - Takayo Ohto-Nakanishi
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
| | - Kazuaki Yoshioka
- Department of Vascular Molecular Physiology, Kanazawa University Graduate School of Medicine, Ishikawa, Japan
| | - Yoh Takuwa
- Department of Vascular Molecular Physiology, Kanazawa University Graduate School of Medicine, Ishikawa, Japan
| | - Seiya Mizuno
- Laboratory Animal Resource Center, University of Tsukuba, Ibaraki, Japan
| | - Satoru Takahashi
- Laboratory Animal Resource Center, University of Tsukuba, Ibaraki, Japan
| | - Satoshi Ishii
- Department of Immunology, Akita University Graduate School of Medicine, Akita, Japan
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24
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The Use of Nutraceuticals to Counteract Atherosclerosis: The Role of the Notch Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5470470. [PMID: 31915510 PMCID: PMC6935452 DOI: 10.1155/2019/5470470] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 03/13/2019] [Indexed: 12/13/2022]
Abstract
Despite the currently available pharmacotherapies, today, thirty percent of worldwide deaths are due to cardiovascular diseases (CVDs), whose primary cause is atherosclerosis, an inflammatory disorder characterized by the buildup of lipid deposits on the inside of arteries. Multiple cellular signaling pathways have been shown to be involved in the processes underlying atherosclerosis, and evidence has been accumulating for the crucial role of Notch receptors in regulating the functions of the diverse cell types involved in atherosclerosis onset and progression. Several classes of nutraceuticals have potential benefits for the prevention and treatment of atherosclerosis and CVDs, some of which could in part be due to their ability to modulate the Notch pathway. In this review, we summarize the current state of knowledge on the role of Notch in vascular health and its modulation by nutraceuticals for the prevention of atherosclerosis and/or treatment of related CVDs.
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25
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Alabi RO, Farber G, Blobel CP. Intriguing Roles for Endothelial ADAM10/Notch Signaling in the Development of Organ-Specific Vascular Beds. Physiol Rev 2019; 98:2025-2061. [PMID: 30067156 DOI: 10.1152/physrev.00029.2017] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The vasculature is a remarkably interesting, complex, and interconnected organ. It provides a conduit for oxygen and nutrients, filtration of waste products, and rapid communication between organs. Much remains to be learned about the specialized vascular beds that fulfill these diverse, yet vital functions. This review was prompted by the discovery that Notch signaling in mouse endothelial cells is crucial for the development of specialized vascular beds found in the heart, kidneys, liver, intestines, and bone. We will address the intriguing questions raised by the role of Notch signaling and that of its regulator, the metalloprotease ADAM10, in the development of specialized vascular beds. We will cover fundamentals of ADAM10/Notch signaling, the concept of Notch-dependent cell fate decisions, and how these might govern the development of organ-specific vascular beds through angiogenesis or vasculogenesis. We will also consider common features of the affected vessels, including the presence of fenestra or sinusoids and their occurrence in portal systems with two consecutive capillary beds. We hope to stimulate further discussion and study of the role of ADAM10/Notch signaling in the development of specialized vascular structures, which might help uncover new targets for the repair of vascular beds damaged in conditions like coronary artery disease and glomerulonephritis.
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Affiliation(s)
- Rolake O Alabi
- Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, New York ; Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York ; Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, New York ; Department of Medicine, Weill Cornell Medicine, New York, New York ; and Institute for Advanced Study, Technical University Munich , Munich , Germany
| | - Gregory Farber
- Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, New York ; Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York ; Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, New York ; Department of Medicine, Weill Cornell Medicine, New York, New York ; and Institute for Advanced Study, Technical University Munich , Munich , Germany
| | - Carl P Blobel
- Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, New York ; Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, New York ; Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, New York ; Department of Medicine, Weill Cornell Medicine, New York, New York ; and Institute for Advanced Study, Technical University Munich , Munich , Germany
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26
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Hong G, Kuek V, Shi J, Zhou L, Han X, He W, Tickner J, Qiu H, Wei Q, Xu J. EGFL7: Master regulator of cancer pathogenesis, angiogenesis and an emerging mediator of bone homeostasis. J Cell Physiol 2018; 233:8526-8537. [PMID: 29923200 DOI: 10.1002/jcp.26792] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 04/30/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Guoju Hong
- National Key Discipline and Orthopedic Laboratory Guangzhou University of Chinese Medicine Guangzhou Guangdong China
- Division of Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia Perth WA Australia
| | - Vincent Kuek
- Division of Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia Perth WA Australia
| | - Jiaxi Shi
- First Clinical College Guangzhou University of Chinese Medicine Guangzhou Guangdong China
| | - Lin Zhou
- Department of Rheumatology The Fifth Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong China
| | - Xiaorui Han
- Department of Radiography Guangzhou First People's Hospital The Second Affiliated Hospital of South China University of Technology Guangzhou Guangdong China
| | - Wei He
- National Key Discipline and Orthopedic Laboratory Guangzhou University of Chinese Medicine Guangzhou Guangdong China
- Orthopedic Department The First Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou Guangdong China
| | - Jennifer Tickner
- Division of Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia Perth WA Australia
| | - Heng Qiu
- Division of Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia Perth WA Australia
| | - Qiushi Wei
- National Key Discipline and Orthopedic Laboratory Guangzhou University of Chinese Medicine Guangzhou Guangdong China
- Orthopedic Department The First Affiliated Hospital of Guangzhou University of Chinese Medicine Guangzhou Guangdong China
| | - Jiake Xu
- National Key Discipline and Orthopedic Laboratory Guangzhou University of Chinese Medicine Guangzhou Guangdong China
- Division of Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia Perth WA Australia
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27
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Herman AM, Rhyner AM, Devine WP, Marrelli SP, Bruneau BG, Wythe JD. A novel reporter allele for monitoring Dll4 expression within the embryonic and adult mouse. Biol Open 2018; 7:bio026799. [PMID: 29437553 PMCID: PMC5898260 DOI: 10.1242/bio.026799] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 01/29/2018] [Indexed: 12/23/2022] Open
Abstract
Canonical Notch signaling requires the presence of a membrane bound ligand and a corresponding transmembrane Notch receptor. Receptor engagement induces multiple proteolytic cleavage events culminating in the nuclear accumulation of the Notch intracellular domain and its binding to a transcriptional co-factor to mediate gene expression. Notch signaling networks are essential regulators of vascular patterning and angiogenesis, as well as myriad other biological processes. Delta-like 4 (Dll4) encodes the earliest Notch ligand detected in arterial cells, and is enriched in sprouting endothelial tip cells. Dll4 expression has often been inferred by proxy using a lacZ knockin reporter allele. This is problematic, as a single copy of Dll4 is haploinsufficient. Additionally, Notch activity regulates Dll4 transcription, making it unclear whether these reporter lines accurately reflect Dll4 expression. Accordingly, precisely defining Dll4 expression is essential for determining its role in development and disease. To address these limitations, we generated a novel BAC transgenic allele with a nuclear-localized β-galactosidase reporter (Dll4-BAC-nlacZ). Through a comparative analysis, we show the BAC line overcomes previous issues of haploinsufficiency, it recapitulates Dll4 expression in vivo, and allows superior visualization and imaging. As such, this novel Dll4 reporter is an important addition to the growing Notch toolkit.
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Affiliation(s)
- Alexander M Herman
- Cardiovascular Research Institute, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Alexander M Rhyner
- Cardiovascular Research Institute, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030, USA
| | - W Patrick Devine
- Department of Pathology, University of California San Francisco, San Francisco, CA 94113, USA
- Gladstone Institute of Cardiovascular Disease, University of California San Francisco, San Francisco, CA 94110, USA
| | - Sean P Marrelli
- Department of Neurology, McGovern Medical School at UT Health, Houston, TX 77005, USA
| | - Benoit G Bruneau
- Gladstone Institute of Cardiovascular Disease, University of California San Francisco, San Francisco, CA 94110, USA
| | - Joshua D Wythe
- Cardiovascular Research Institute, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030, USA
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28
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Control of Blood Vessel Formation by Notch Signaling. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1066:319-338. [PMID: 30030834 DOI: 10.1007/978-3-319-89512-3_16] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Blood vessels span throughout the body to nourish tissue cells and to provide gateways for immune surveillance. Endothelial cells that line capillaries have the remarkable capacity to be quiescent for years but to switch rapidly into the activated state once new blood vessels need to be formed. In addition, endothelial cells generate niches for progenitor and tumor cells and provide organ-specific paracrine (angiocrine) factors that control organ development and regeneration, maintenance of homeostasis and tumor progression. Recent data indicate a pivotal role for blood vessels in responding to metabolic changes and that endothelial cell metabolism is a novel regulator of angiogenesis. The Notch pathway is the central signaling mode that cooperates with VEGF, WNT, BMP, TGF-β, angiopoietin signaling and cell metabolism to orchestrate angiogenesis, tip/stalk cell selection and arteriovenous specification. Here, we summarize the current knowledge and implications regarding the complex roles of Notch signaling during physiological and tumor angiogenesis, the dynamic nature of tip/stalk cell selection in the nascent vessel sprout and arteriovenous differentiation. Furthermore, we shed light on recent work on endothelial cell metabolism, perfusion-independent angiocrine functions of endothelial cells in organ-specific vascular beds and how manipulation of Notch signaling may be used to target the tumor vasculature.
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29
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Majumder S, Zhu G, Xu X, Senchanthisai S, Jiang D, Liu H, Xue C, Wang X, Coia H, Cui Z, Smolock EM, Libby RT, Berk BC, Pang J. G-Protein-Coupled Receptor-2-Interacting Protein-1 Controls Stalk Cell Fate by Inhibiting Delta-like 4-Notch1 Signaling. Cell Rep 2017; 17:2532-2541. [PMID: 27926858 DOI: 10.1016/j.celrep.2016.11.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Revised: 04/12/2016] [Accepted: 11/01/2016] [Indexed: 10/20/2022] Open
Abstract
The spatiotemporal localization and expression of Dll4 are critical for sprouting angiogenesis. However, the related mechanisms are poorly understood. Here, we show that G-protein-coupled receptor-kinase interacting protein-1 (GIT1) is a robust endogenous inhibitor of Dll4-Notch1 signaling that specifically controls stalk cell fate. GIT1 is highly expressed in stalk cells but not in tip cells. GIT1 deficiency remarkably enhances Dll4 expression and Notch1 signaling, resulting in impaired retinal sprouting angiogenesis, which can be rescued by treatment with the Notch inhibitor or Dll4 neutralizing antibody. Notch1 regulates Dll4 expression by binding to recombining binding protein suppressor of hairless (RBP-J, a transcriptional regulator of Notch) via a highly conserved ankyrin (ANK) repeat domain. We show that GIT1, which also contains an ANK domain, inhibits the Notch1-Dll4 signaling pathway by competing with Notch1 ANK domain for binding to RBP-J in stalk cells.
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Affiliation(s)
- Syamantak Majumder
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - GuoFu Zhu
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Xiangbin Xu
- Department of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Sharon Senchanthisai
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Dongyang Jiang
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Hao Liu
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Chao Xue
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Xiaoqun Wang
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Heidi Coia
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Zhaoqiang Cui
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Elaine M Smolock
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Richard T Libby
- Flaum Eye Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Bradford C Berk
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Jinjiang Pang
- Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA; Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China.
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30
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Retinal vasculature development in health and disease. Prog Retin Eye Res 2017; 63:1-19. [PMID: 29129724 DOI: 10.1016/j.preteyeres.2017.11.001] [Citation(s) in RCA: 186] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 11/02/2017] [Accepted: 11/06/2017] [Indexed: 12/17/2022]
Abstract
Development of the retinal vasculature is based on highly coordinated signalling between different cell types of the retina, integrating internal metabolic requirements with external influences such as the supply of oxygen and nutrients. The developing mouse retinal vasculature is a useful model system to study these interactions because it is experimentally accessible for intra ocular injections and genetic manipulations, can be easily imaged and develops in a similar fashion to that of humans. Research using this model has provided insights about general principles of angiogenesis as well as pathologies that affect the developing retinal vasculature. In this review, we discuss recent advances in our understanding of the molecular and cellular mechanisms that govern the interactions between neurons, glial and vascular cells in the developing retina. This includes a review of mechanisms that shape the retinal vasculature, such as sprouting angiogenesis, vascular network remodelling and vessel maturation. We also explore how the disruption of these processes in mice can lead to pathology - such as oxygen induced retinopathy - and how this translates to human retinopathy of prematurity.
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31
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Wiseman J, Gregersson P, Johansson J, Magnell K, Pilataxi F, Morehouse C, Brohawn P, Holoweckyj N, Strout P, Cho S. Generation of a functional humanized Delta-like ligand 4 transgenic mouse model. Transgenic Res 2017; 26:791-798. [PMID: 28819706 DOI: 10.1007/s11248-017-0040-3] [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: 04/25/2017] [Accepted: 08/11/2017] [Indexed: 10/19/2022]
Abstract
Humanized mouse models are important tools in many areas of biological drug development including, within oncology research, the development of antagonistic antibodies that have the potential to block tumor growth by controlling vascularization and are key to the generation of in vivo proof-of-concept efficacy data. However, due to cross reactivity between human antibodies and mouse target such studies regularly require mouse models expressing only the human version of the target molecule. Such humanized knock-in/knock-out, KIKO, models are dependent upon the generation of homozygous mice expressing only the human molecule, compensating for loss of the mouse form. However, KIKO strategies can fail to generate homozygous mice, even though the human form is expressed and the endogenous mouse locus is correctly targeted. A typical strategy for generating KIKO mice is by ATG fusion where the human cDNA is inserted downstream of the endogenous mouse promoter elements. However, when adopting this strategy it is possible that the mouse promoter fails to express the human form in a manner compensating for loss of the mouse form or alternatively the human protein is incompatible in the context of the mouse pathway being investigated. So to understand more around the biology of KIKO models, and to overcome our failure with a number of ATG fusion strategies, we developed a range of humanized models focused on Delta-like 4 (Dll4), a target where we initially failed to generate a humanized model. By adopting a broader biologic strategy, we successfully generated a humanized DLL4 KIKO which led to a greater understanding of critical biological aspects for consideration when developing humanized models.
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Affiliation(s)
- John Wiseman
- Discovery Science, Innovative Medicines and Early Clinical Development Biotech Unit, AstraZeneca, Mölndal, Sweden.
| | | | - Johan Johansson
- Discovery Science, Innovative Medicines and Early Clinical Development Biotech Unit, AstraZeneca, Mölndal, Sweden
| | - Kerstin Magnell
- Discovery Science, Innovative Medicines and Early Clinical Development Biotech Unit, AstraZeneca, Mölndal, Sweden
| | - Fernanda Pilataxi
- Department of Translational Sciences, MedImmune, Gaithersburg, MD, USA
| | - Chris Morehouse
- Department of Translational Sciences, MedImmune, Gaithersburg, MD, USA
| | - Philip Brohawn
- Department of Translational Sciences, MedImmune, Gaithersburg, MD, USA
| | | | - Patrick Strout
- Department of Oncology Research, MedImmune, Gaithersburg, MD, USA
| | - Song Cho
- Department of Oncology Research, MedImmune, Gaithersburg, MD, USA
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32
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Selective regulation of Notch ligands during angiogenesis is mediated by vimentin. Proc Natl Acad Sci U S A 2017; 114:E4574-E4581. [PMID: 28533359 PMCID: PMC5468602 DOI: 10.1073/pnas.1703057114] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Notch signaling is a key regulator of angiogenesis, in which sprouting is regulated by an equilibrium between inhibitory Dll4-Notch signaling and promoting Jagged-Notch signaling. Whereas Fringe proteins modify Notch receptors and strengthen their activation by Dll4 ligands, other mechanisms balancing Jagged and Dll4 signaling are yet to be described. The intermediate filament protein vimentin, which has been previously shown to affect vascular integrity and regenerative signaling, is here shown to regulate ligand-specific Notch signaling. Vimentin interacts with Jagged, impedes basal recycling endocytosis of ligands, but is required for efficient receptor ligand transendocytosis and Notch activation upon receptor binding. Analyses of Notch signal activation by using chimeric ligands with swapped intracellular domains (ICDs), demonstrated that the Jagged ICD binds to vimentin and contributes to signaling strength. Vimentin also suppresses expression of Fringe proteins, whereas depletion of vimentin enhances Fringe levels to promote Dll4 signaling. In line with these data, the vasculature in vimentin knockout (VimKO) embryos and placental tissue is underdeveloped with reduced branching. Disrupted angiogenesis in aortic rings from VimKO mice and in endothelial 3D sprouting assays can be rescued by reactivating Notch signaling by recombinant Jagged ligands. Taken together, we reveal a function of vimentin and demonstrate that vimentin regulates Notch ligand signaling activities during angiogenesis.
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33
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Trindade A, Djokovic D, Gigante J, Mendonça L, Duarte A. Endothelial Dll4 overexpression reduces vascular response and inhibits tumor growth and metastasization in vivo. BMC Cancer 2017; 17:189. [PMID: 28288569 PMCID: PMC5348880 DOI: 10.1186/s12885-017-3171-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 03/04/2017] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND The inhibition of Delta-like 4 (Dll4)/Notch signaling has been shown to result in excessive, nonfunctional vessel proliferation and significant tumor growth suppression. However, safety concerns emerged with the identification of side effects resulting from chronic Dll4/Notch blockade. Alternatively, we explored the endothelial Dll4 overexpression using different mouse tumor models. METHODS We used a transgenic mouse model of endothelial-specific Dll4 overexpression, previously produced. Growth kinetics and vascular histopathology of several types of solid tumors was evaluated, namely Lewis Lung Carcinoma xenografts, chemically-induced skin papillomas and RIP1-Tag2 insulinomas. RESULTS We found that increased Dll4/Notch signaling reduces tumor growth by reducing vascular endothelial growth factor (VEGF)-induced endothelial proliferation, tumor vessel density and overall tumor blood supply. In addition, Dll4 overexpression consistently improved tumor vascular maturation and functionality, as indicated by increased vessel calibers, enhanced mural cell recruitment and increased network perfusion. Importantly, the tumor vessel normalization is not more effective than restricted vessel proliferation, but was found to prevent metastasis formation and allow for increased delivery to the tumor of concomitant chemotherapy, improving its efficacy. CONCLUSIONS By reducing endothelial sensitivity to VEGF, these results imply that Dll4/Notch stimulation in tumor microenvironment could be beneficial to solid cancer patient treatment by reducing primary tumor size, improving tumor drug delivery and reducing metastization. Endothelial specific Dll4 overexpression thus appears as a promising anti-angiogenic modality that might improve cancer control.
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Affiliation(s)
- Alexandre Trindade
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, University of Lisbon, Lisbon, Portugal
| | - Dusan Djokovic
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, University of Lisbon, Lisbon, Portugal.,Faculdade de Ciências Médicas, Nova Medical School, Nova University of Lisbon, Lisbon, Portugal.,Serviço de Obstetrícia e Ginecologia, Centro Hospitalar de Lisboa Ocidental, Hospital de São Francisco Xavier, Lisbon, Portugal
| | - Joana Gigante
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, University of Lisbon, Lisbon, Portugal
| | - Liliana Mendonça
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, University of Lisbon, Lisbon, Portugal
| | - António Duarte
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculdade de Medicina Veterinária, University of Lisbon, Lisbon, Portugal.
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Wieland E, Rodriguez-Vita J, Liebler SS, Mogler C, Moll I, Herberich SE, Espinet E, Herpel E, Menuchin A, Chang-Claude J, Hoffmeister M, Gebhardt C, Brenner H, Trumpp A, Siebel CW, Hecker M, Utikal J, Sprinzak D, Fischer A. Endothelial Notch1 Activity Facilitates Metastasis. Cancer Cell 2017; 31:355-367. [PMID: 28238683 DOI: 10.1016/j.ccell.2017.01.007] [Citation(s) in RCA: 205] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 09/28/2016] [Accepted: 01/25/2017] [Indexed: 12/11/2022]
Abstract
Endothelial cells (ECs) provide angiocrine factors orchestrating tumor progression. Here, we show that activated Notch1 receptors (N1ICD) are frequently observed in ECs of human carcinomas and melanoma, and in ECs of the pre-metastatic niche in mice. EC N1ICD expression in melanoma correlated with shorter progression-free survival. Sustained N1ICD activity induced EC senescence, expression of chemokines and the adhesion molecule VCAM1. This promoted neutrophil infiltration, tumor cell (TC) adhesion to the endothelium, intravasation, lung colonization, and postsurgical metastasis. Thus, sustained vascular Notch signaling facilitates metastasis by generating a senescent, pro-inflammatory endothelium. Consequently, treatment with Notch1 or VCAM1-blocking antibodies prevented Notch-driven metastasis, and genetic ablation of EC Notch signaling inhibited peritoneal neutrophil infiltration in an ovarian carcinoma mouse model.
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Affiliation(s)
- Elfriede Wieland
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Juan Rodriguez-Vita
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Sven S Liebler
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Vascular Biology, CBTM, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Carolin Mogler
- Institute of Pathology, Heidelberg University Hospital, Vascular Oncology and Metastasis (A190), German Cancer Research Center, 69120 Heidelberg, Germany
| | - Iris Moll
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Stefanie E Herberich
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Vascular Biology, CBTM, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Elisa Espinet
- Division of Stem Cells and Cancer (A010), German Cancer Research Center (DKFZ), DKFZ-ZMBH Alliance and the German Cancer Consortium (DKTK), Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany
| | - Esther Herpel
- Tissue Bank of the National Center for Tumor Diseases (NCT) Heidelberg, Institute of Pathology, Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Amitai Menuchin
- Department of Biochemistry and Molecular Biology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, 69978 Tel Aviv, Israel
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology (C020), German Cancer Research Center, 69120 Heidelberg, Germany; Research Group Genetic Cancer Epidemiology, University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Michael Hoffmeister
- Division of Clinical Epidemiology and Aging Research (C070), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Christoffer Gebhardt
- Clinical Cooperation Unit Dermato-Oncology (G300), German Cancer Research Center (DKFZ), Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 69120 Heidelberg, Germany
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research (C070), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Division of Preventive Oncology, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Andreas Trumpp
- Division of Stem Cells and Cancer (A010), German Cancer Research Center (DKFZ), DKFZ-ZMBH Alliance and the German Cancer Consortium (DKTK), Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany
| | - Christian W Siebel
- Department of Discovery Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Markus Hecker
- Department of Cardiovascular Physiology, Heidelberg University and Deutsches Zentrum für Herz-Kreislauf-Forschung e.V. (DZHK), Partner Site Heidelberg/Mannheim, 69120 Heidelberg, Germany
| | - Jochen Utikal
- Clinical Cooperation Unit Dermato-Oncology (G300), German Cancer Research Center (DKFZ), Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 69120 Heidelberg, Germany
| | - David Sprinzak
- Department of Biochemistry and Molecular Biology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, 69978 Tel Aviv, Israel
| | - Andreas Fischer
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Vascular Biology, CBTM, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany; Department of Medicine I and Clinical Chemistry, Heidelberg University Hospital, 69120 Heidelberg, Germany.
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Lilly AJ, Lacaud G, Kouskoff V. SOXF transcription factors in cardiovascular development. Semin Cell Dev Biol 2017; 63:50-57. [PMID: 27470491 DOI: 10.1016/j.semcdb.2016.07.021] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 07/19/2016] [Accepted: 07/23/2016] [Indexed: 12/24/2022]
Abstract
Cardiovascular development during embryogenesis involves complex changes in gene regulatory networks regulated by a variety of transcription factors. In this review we discuss the various reported roles of the SOXF factors: SOX7, SOX17 and SOX18 in cardiac, vascular and lymphatic development. SOXF factors have pleiotropic roles during these processes, and there is significant redundancy and functional compensation between SOXF family members. Despite this, evidence suggests that there is some specificity in the transcriptional programs they regulate which is necessary to control the differentiation and behaviour of endothelial subpopulations. Furthermore, SOXF factors appear to have an indirect role in regulating cardiac mesoderm specification and differentiation. Understanding how SOXF factors are regulated, as well as their downstream transcriptional target genes, will be important for unravelling their roles in cardiovascular development and related diseases.
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Affiliation(s)
- Andrew J Lilly
- Cancer Research UK, Stem Cell Hematopoiesis, The University of Manchester, Wilmslow road, M20 4BX, UK
| | - Georges Lacaud
- Cancer Research UK, Stem Cell Biology group Cancer Research UK Manchester Institute, The University of Manchester, Wilmslow road, M20 4BX, UK.
| | - Valerie Kouskoff
- Cancer Research UK, Stem Cell Hematopoiesis, The University of Manchester, Wilmslow road, M20 4BX, UK.
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Polychlorinated biphenyls target Notch/Dll and VEGF R2 in the mouse placenta and human trophoblast cell lines for their anti-angiogenic effects. Sci Rep 2017; 7:39885. [PMID: 28071720 PMCID: PMC5223111 DOI: 10.1038/srep39885] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 11/29/2016] [Indexed: 01/02/2023] Open
Abstract
The intrauterine environment is particularly vulnerable to environmental exposures. We previously established a mouse model that provided evidence for pregnancy complications and placental anti-angiogenesis in response to Aroclor 1254 (A-1254), a mixture of polychlorinated biphenyls (PCBs). Importantly, these effects were observed in IL-10-/-, but not wild type, mice, suggesting that IL-10 deficiency predisposes to pregnancy disruptive effects of environmental toxicants. However, the mechanisms by which PCBs cause anti-angiogenic effects are unclear. Here, we evaluated PCB-mediated anti-angiogenic effects by diverse but complementary approaches, including HUVEC-mediated trophoblast invasion in nude mice, in vitro three-dimensional capillary tube formation involving HUVEC and/or HTR8 trophoblasts, and aortic ring endothelial cell outgrowth/sprouting. Taken together, our data suggest that PCBs act as potent anti-angiogenic agents. Importantly, we show that treatment of pregnant IL-10-/- mice with A-1254 resulted in placental activation of the Notch/Delta-like ligand (Dll) pathway, a master regulator of cell-cell interaction and vascular patterning. Similar results were obtained with HUVEC and HTR8 trophoblasts. Rescue of A-1254-induced disruption of HUVEC-based tube formation by γ-secretase inhibitor L1790 confirmed the critical role of the Notch/Dll pathway. Our data suggest that PCBs impart pregnancy disruptive functions by activating the Notch/Dll pathway and by inducing anti-angiogenic effects at the maternal-fetal interface.
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Pedrosa AR, Trindade A, Carvalho C, Graça J, Carvalho S, Peleteiro MC, Adams RH, Duarte A. Endothelial Jagged1 promotes solid tumor growth through both pro-angiogenic and angiocrine functions. Oncotarget 2016. [PMID: 26213336 PMCID: PMC4695194 DOI: 10.18632/oncotarget.4380] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Angiogenesis is an essential process required for tumor growth and progression. The Notch signaling pathway has been identified as a key regulator of the neo-angiogenic process. Jagged-1 (Jag1) is a Notch ligand required for embryonic and retinal vascular development, which direct contribution to the regulation of tumor angiogenesis remains to be fully characterized. The current study addresses the role of endothelial Jagged1-mediated Notch signaling in the context of tumoral angiogenesis in two different mouse tumor models: subcutaneous Lewis Lung Carcinoma (LLC) tumor transplants and the autochthonous Transgenic Adenocarcinoma of the Mouse Prostate (TRAMP). The role of endothelial Jagged1 in tumor growth and neo-angiogenesis was investigated with endothelial-specific Jag1 gain- and loss-of-function mouse mutants (eJag1OE and eJag1cKO). By modulating levels of endothelial Jag1, we observed that this ligand regulates tumor vessel density, branching, and perivascular maturation, thus affecting tumor vascular perfusion. The pro-angiogenic function is exerted by its ability to positively regulate levels of Vegfr-2 while negatively regulating Vegfr-1. Additionally, endothelial Jagged1 appears to exert an angiocrine function possibly by activating Notch3/Hey1 in tumor cells, promoting proliferation, survival and epithelial-to-mesenchymal transition (EMT), potentiating tumor development. These findings provide valuable mechanistic insights into the role of endothelial Jagged1 in promoting solid tumor development and support the notion that it may constitute a promising target for cancer therapy.
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Affiliation(s)
- Ana-Rita Pedrosa
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal
| | - Alexandre Trindade
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal.,Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Catarina Carvalho
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal
| | - José Graça
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal
| | - Sandra Carvalho
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal
| | - Maria C Peleteiro
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal
| | - Ralf H Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, Muenster, Germany.,Faculty of Medicine, University of Muenster, Muenster, Germany
| | - António Duarte
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), University of Lisbon, Lisbon, Portugal.,Instituto Gulbenkian de Ciência, Oeiras, Portugal
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Chaqour B. Regulating the regulators of angiogenesis by CCN1 and taking it up a Notch. J Cell Commun Signal 2016; 10:259-261. [PMID: 27146903 DOI: 10.1007/s12079-016-0328-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 05/02/2016] [Indexed: 01/16/2023] Open
Abstract
CCN1 is encoded by an extracellular matrix protein-gene that is essential for the proper development of the cardiovascular system and the control of angiogenesis, inflammation, progenitor cell lineage commitment and extracellular matrix protein remodeling during the adult life. High-precision genetic models of tissue-specific gene deletion demonstrated a pivotal role of CCN1 in providing positional information to angiogenic endothelial cells (ECs) during the outgrowth and maturation of nascent blood vessel sprouts, fine-controlling Notch-dependent inter-endothelial cell communications and mediating interaction with inflammatory cells. Some of these pleiotropic activities of CCN1 are unique among proteins of the extracellular matrix. Thus, CCN1 represents a model molecule for investigating and unraveling novel aspects of extracellular protein signaling in vascular development and diseases.
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Affiliation(s)
- Brahim Chaqour
- Department of Cell Biology, State University of New York - SUNY Downstate Medical Center, 450 Clarkson Avenue, Box 5, Brooklyn, NY, 11203, USA. .,Department of Ophthalmology, State University of New York - SUNY Downstate Medical Center, 450 Clarkson Avenue, Box 5, Brooklyn, NY, 11203, USA. .,SUNY Eye Institute, 450 Clarkson Avenue, Box 5, Brooklyn, NY, 11203, USA.
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Pedrosa AR, Graça JL, Carvalho S, Peleteiro MC, Duarte A, Trindade A. Notch signaling dynamics in the adult healthy prostate and in prostatic tumor development. Prostate 2016; 76:80-96. [PMID: 26419726 DOI: 10.1002/pros.23102] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 09/16/2015] [Indexed: 01/21/2023]
Abstract
BACKGROUND The Notch signaling pathway has been implicated in prostate development, maintenance and tumorigenesis by its key role in cell-fate determination, differentiation and proliferation. Therefore, we proposed to analyze Notch family members transcription and expression, including ligands (Dll1, 3, 4 and Jagged1 and 2), receptors (Notch1-4) and effectors (Hes1, 2, 5 and Hey1, 2, L), in both normal and tumor bearing mouse prostates to better understand the dynamics of Notch signaling in prostate tumorigenesis. METHODS Wild type mice and transgenic adenocarcinoma of the mouse prostate model (TRAMP) mice were sacrificed at 18, 24 or 30 weeks of age and the prostates collected and processed for either whole prostate or prostate cell specific populations mRNA analysis and for protein expression analysis by immunohistochemistry and immunofluorescence. RESULTS We observed that Dll1 and Dll4 are expressed in the luminal compartment of the mouse healthy prostate, whereas Jagged2 expression is restricted to the basal and stromal compartment. Additionally, Notch2 and Notch4 are normally expressed in the prostate luminal compartment while Notch2 and Notch3 are also expressed in the stromal layer of the healthy prostate. As prostate tumor development takes place, there is up-regulation of Notch components. Particularly, the prostate tumor lesions have increased expression of Jagged1 and 2, of Notch3 and of Hey1. We have also detected the presence of activated Notch3 in prostatic tumors that co-express Jagged1 and ultimately the Hey1 effector. CONCLUSIONS Taken together our results point out the Notch axis Jagged1-2/Notch3/Hey1 to be important for prostate tumor development and worthy of additional functional studies and validation in human clinical disease.
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Affiliation(s)
- Ana-Rita Pedrosa
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - José L Graça
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Sandra Carvalho
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - Maria C Peleteiro
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
| | - António Duarte
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Alexandre Trindade
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
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Peacock HM, Caolo V, Jones EAV. Arteriovenous malformations in hereditary haemorrhagic telangiectasia: looking beyond ALK1-NOTCH interactions. Cardiovasc Res 2015; 109:196-203. [PMID: 26645978 DOI: 10.1093/cvr/cvv264] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 10/29/2015] [Indexed: 12/20/2022] Open
Abstract
Hereditary haemorrhagic telangiectasia (HHT) is characterized by the development of arteriovenous malformations--enlarged shunts allowing arterial flow to bypass capillaries and enter directly into veins. HHT is caused by mutations in ALK1 or Endoglin; however, the majority of arteriovenous malformations are idiopathic and arise spontaneously. Idiopathic arteriovenous malformations differ from those due to loss of ALK1 in terms of both location and disease progression. Furthermore, while arteriovenous malformations in HHT and Alk1 knockout models have decreased NOTCH signalling, some idiopathic arteriovenous malformations have increased NOTCH signalling. The pathogenesis of these lesions also differs, with loss of ALK1 causing expansion of the shunt through proliferation, and NOTCH gain of function inducing initial shunt enlargement by cellular hypertrophy. Hence, we propose that idiopathic arteriovenous malformations are distinct from those of HHT. In this review, we explore the role of ALK1-NOTCH interactions in the development of arteriovenous malformations and examine a possible role of two signalling pathways downstream of ALK1, TMEM100 and IDs, in the development of arteriovenous malformations in HHT. A nuanced understanding of the precise molecular mechanisms underlying idiopathic and HHT-associated arteriovenous malformations will allow for development of targeted treatments for these lesions.
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Affiliation(s)
- Hanna M Peacock
- Department of Cardiovascular Science, Centre for Molecular and Vascular Biology, KU Leuven, UZ Herestraat 49-Box 911, 3000 Leuven, Belgium
| | - Vincenza Caolo
- Department of Cardiovascular Science, Centre for Molecular and Vascular Biology, KU Leuven, UZ Herestraat 49-Box 911, 3000 Leuven, Belgium
| | - Elizabeth A V Jones
- Department of Cardiovascular Science, Centre for Molecular and Vascular Biology, KU Leuven, UZ Herestraat 49-Box 911, 3000 Leuven, Belgium
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Butko E, Pouget C, Traver D. Complex regulation of HSC emergence by the Notch signaling pathway. Dev Biol 2015; 409:129-138. [PMID: 26586199 DOI: 10.1016/j.ydbio.2015.11.008] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 11/11/2015] [Accepted: 11/12/2015] [Indexed: 01/13/2023]
Abstract
Hematopoietic stem cells are formed during embryonic development, and serve as the foundation of the definitive blood program for life. Notch signaling has been well established as an essential direct contributor to HSC specification. However, several recent studies have indicated that the contribution of Notch signaling is complex. HSC specification requires multiple Notch signaling inputs, some received directly by hematopoietic precursors, and others that occur indirectly within neighboring somites. Of note, proinflammatory signals provided by primitive myeloid cells are needed for HSC specification via upregulation of the Notch pathway in hemogenic endothelium. In addition to multiple requirements for Notch activation, recent studies indicate that Notch signaling must subsequently be repressed to permit HSC emergence. Finally, Notch must then be reactivated to maintain HSC fate. In this review, we discuss the growing understanding of the dynamic contributions of Notch signaling to the establishment of hematopoiesis during development.
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Affiliation(s)
- Emerald Butko
- Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA
| | - Claire Pouget
- Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA
| | - David Traver
- Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA.
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Djokovic D, Trindade A, Gigante J, Pinho M, Harris AL, Duarte A. Incomplete Dll4/Notch signaling inhibition promotes functional angiogenesis supporting the growth of skin papillomas. BMC Cancer 2015; 15:608. [PMID: 26314892 PMCID: PMC4552132 DOI: 10.1186/s12885-015-1605-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 08/17/2015] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND In invasive malignancies, Dll4/Notch signaling inhibition enhances non-functional vessel proliferation and limits tumor growth by reducing its blood perfusion. METHODS To assess the effects of targeted Dll4 allelic deletion in the incipient stages of tumor pathogenesis, we chemically induced skin papillomas in wild-type and Dll4 (+/-) littermates, and compared tumor growth, their histological features, vascularization and the expression of angiogenesis-related molecules. RESULTS We observed that Dll4 down-regulation promotes productive angiogenesis, although with less mature vessels, in chemically-induced pre-cancerous skin papillomas stimulating their growth. The increase in endothelial activation was associated with an increase in the VEGFR2 to VEGFR1 ratio, which neutralized the tumor-suppressive effect of VEGFR-targeting sorafenib. Thus, in early papillomas, lower levels of Dll4 increase vascularization through raised VEGFR2 levels, enhancing sensitivity to endogenous levels of VEGF, promoting functional angiogenesis and tumor growth. CONCLUSION Tumor promoting effect of low-dosage inhibition needs to be considered when implementing Dll4 targeting therapies.
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Affiliation(s)
- Dusan Djokovic
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Universidade de Lisboa (ULisboa), Lisbon, Portugal.
| | - Alexandre Trindade
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Universidade de Lisboa (ULisboa), Lisbon, Portugal.
| | - Joana Gigante
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Universidade de Lisboa (ULisboa), Lisbon, Portugal.
| | - Mario Pinho
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Universidade de Lisboa (ULisboa), Lisbon, Portugal.
| | - Adrian L Harris
- Cancer Research UK Molecular Oncology Laboratories, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
| | - Antonio Duarte
- Centro Interdisciplinar de Investigação em Sanidade Animal (CIISA), Universidade de Lisboa (ULisboa), Lisbon, Portugal.
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Klose R, Berger C, Moll I, Adam MG, Schwarz F, Mohr K, Augustin HG, Fischer A. Soluble Notch ligand and receptor peptides act antagonistically during angiogenesis. Cardiovasc Res 2015; 107:153-63. [PMID: 25975260 DOI: 10.1093/cvr/cvv151] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Accepted: 05/07/2015] [Indexed: 01/06/2023] Open
Abstract
AIMS Notch signalling is essential for blood vessel formation. During angiogenesis, the Notch ligand DLL4 on the leading tip cell activates Notch receptors on the adjacent stalk cells. DLL4-Notch signalling is impaired by the Notch ligand JAG1 in endothelial cells. The Delta/Serrate/Lag2 (DSL) domain of the Notch ligands binds to the EGF-like repeats 11-13 of the Notch receptor. This study aimed to elucidate how soluble proteins containing these short domains interfere with Notch signalling during angiogenesis. METHODS AND RESULTS Adenoviral vectors were generated to express the DSL domains of DLL1, DLL4, JAG1, and the Notch1 EGF-like repeats 11-13 fused to immunoglobulin-G heavy chain. These soluble ligand peptides inhibited Notch signalling in endothelial cells and this caused hyperbranching in cellular angiogenesis assays and in the neonatal mouse retina. The soluble Notch receptor peptides bound stronger to JAG1 than DLL4 ligands, resulting in increased signalling activity. This led to impaired tip cell formation and less vessel sprouting in the retina. CONCLUSION The minimal binding domains of Notch ligands are sufficient to interfere with Notch signalling. The corresponding soluble Notch1 EGF11-13 peptide binds stronger to inhibitory Notch ligands and thereby promotes Notch signalling in endothelial cells.
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Affiliation(s)
- Ralph Klose
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg D-69120, Germany
| | - Caroline Berger
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg D-69120, Germany Vascular Biology and Tumor Angiogenesis, Medical Faculty Mannheim (CBTM), Heidelberg University, Mannheim D-68167, Germany
| | - Iris Moll
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg D-69120, Germany
| | - M Gordian Adam
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg D-69120, Germany Vascular Biology and Tumor Angiogenesis, Medical Faculty Mannheim (CBTM), Heidelberg University, Mannheim D-68167, Germany
| | - Frank Schwarz
- Genomics and Proteomics Core Facilities, German Cancer Research Center, Heidelberg D-69120, Germany
| | - Kerstin Mohr
- Genomics and Proteomics Core Facilities, German Cancer Research Center, Heidelberg D-69120, Germany
| | - Hellmut G Augustin
- Vascular Biology and Tumor Angiogenesis, Medical Faculty Mannheim (CBTM), Heidelberg University, Mannheim D-68167, Germany Vascular Oncology and Metastasis (A190), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg D-69120, Germany
| | - Andreas Fischer
- Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ-ZMBH Alliance), Heidelberg D-69120, Germany Vascular Biology and Tumor Angiogenesis, Medical Faculty Mannheim (CBTM), Heidelberg University, Mannheim D-68167, Germany Department of Medicine I and Clinical Chemistry, Heidelberg University, Heidelberg D-69120, Germany
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Rochon ER, Wright DS, Schubert MM, Roman BL. Context-specific interactions between Notch and ALK1 cannot explain ALK1-associated arteriovenous malformations. Cardiovasc Res 2015; 107:143-52. [PMID: 25969392 DOI: 10.1093/cvr/cvv148] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 05/07/2015] [Indexed: 01/17/2023] Open
Abstract
AIMS Notch and activin receptor-like kinase 1 (ALK1) have been implicated in arterial specification, angiogenic tip/stalk cell differentiation, and development of arteriovenous malformations (AVMs), and ALK1 can cooperate with Notch to up-regulate expression of Notch target genes in cultured endothelial cells. These findings suggest that Notch and ALK1 might collaboratively program arterial identity and prevent AVMs. We therefore sought to investigate the interaction between Notch and Alk1 signalling in the developing vertebrate vasculature. METHODS AND RESULTS We modulated Notch and Alk1 activities in zebrafish embryos and examined effects on Notch target gene expression and vascular morphology. Although Alk1 is not necessary for expression of Notch target genes in arterial endothelium, loss of Notch signalling unmasks a role for Alk1 in supporting hey2 and ephrinb2a expression in the dorsal aorta. In contrast, Notch and Alk1 play opposing roles in hey2 expression in cranial arteries and dll4 expression in all arterial endothelium, with Notch inducing and Alk1 repressing these genes. Although alk1 loss increases expression of dll4, AVMs in alk1 mutants could neither be phenocopied by Notch activation nor rescued by Dll4/Notch inhibition. CONCLUSION Control of Notch targets in arterial endothelium is context-dependent, with gene-specific and region-specific requirements for Notch and Alk1. Alk1 is not required for arterial identity, and perturbations in Notch signalling cannot account for alk1 mutant-associated AVMs. These data suggest that AVMs associated with ALK1 mutation are not caused by defective arterial specification or altered Notch signalling.
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Affiliation(s)
- Elizabeth R Rochon
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Daniel S Wright
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Max M Schubert
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Beth L Roman
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA Department of Human Genetics, University of Pittsburgh Graduate School of Public Health, 130 DeSoto St, Pittsburgh, PA 15261, USA
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Yang H, Lee JH, Noh JK, Kim HC, Park CJ, Park JW, Kim KK. Expression Pattern of Early Growth Response Gene 1 during Olive Flounder (Paralichthys olivaceus) Embryonic Development. Dev Reprod 2015; 18:233-40. [PMID: 25949193 PMCID: PMC4415633 DOI: 10.12717/devrep.2014.18.4.233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 11/17/2014] [Accepted: 11/19/2014] [Indexed: 11/24/2022]
Abstract
The early growth response protein 1 (Egr-1) is a widely reported zinc finger protein and a well known transcription factor encoded by the Egr-1 gene, which plays key roles in many aspects of vertebrate embryogenesis and in adult vertebrates. The Egr-1 expression is important in the formation of the gill vascular system in flounders, which develops during the post-hatching phase and is essential for survival during the juvenile period. However, the complete details of Egr-1 expression during embryo development in olive flounder are not available. We assessed the expression patterns of Egr-1 during the early development of olive flounders by using reverse transcription polymerase chain reaction (RT-PCR) analysis. Microscopic observations showed that gill filament formation corresponded with the Egr-1 expression. Thus, we showed that Egr-1 plays a vital role in angiogenesis in the gill filaments during embryogenesis. Further, Egr-1 expression was found to be strong at 5 days after hatching (DAH), in the development of the gill vascular system, and this strong expression level was maintained throughout all the development stages. Our findings have important implications with respect to the biological role of Egr-1 and evolution of the first respiratory blood vessels in the gills of olive flounder. Further studies are required to elucidate the Egr-1-mediated stress response and to decipher the functional role of Egr-1 in developmental stages.
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Affiliation(s)
- Hyun Yang
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Jeong-Ho Lee
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Jae Koo Noh
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Hyun Chul Kim
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Choul-Ji Park
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Jong-Won Park
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Kyung-Kil Kim
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
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Jahnsen ED, Trindade A, Zaun HC, Lehoux S, Duarte A, Jones EAV. Notch1 is pan-endothelial at the onset of flow and regulated by flow. PLoS One 2015; 10:e0122622. [PMID: 25830332 PMCID: PMC4382190 DOI: 10.1371/journal.pone.0122622] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 02/23/2015] [Indexed: 11/18/2022] Open
Abstract
Arteriovenous differentiation is a key event during vascular development and hemodynamic forces play an important role. Arteriovenous gene expression is present before the onset of flow, however it remains plastic and flow can alter arteriovenous identity. Notch signaling is especially important in the genetic determination of arteriovenous identity. Nevertheless, the effect of the onset of circulation on Notch expression and signaling has not been studied. The aim of this study is therefore to investigate the interaction of Notch1 signaling and hemodynamic forces during early vascular development. We find that the onset of Notch1 expression coincides with the onset of flow, and that expression is pan-endothelial at the onset of circulation in mouse embryos and only becomes arterial-specific after remodeling has occurred. When we ablate flow in the early embryo, endothelial cells fail to express Notch1. We show that low and disturbed flow patterns upregulate Notch1 expression in endothelial cells in vitro, but that higher shear stress levels do not (≥10 dynes/cm2). Using siRNA, we knocked down Notch1 to investigate the role of Notch1 in mechanotransduction. When we applied shear stress levels similar to those found in embryonic arteries, we found an upregulation of Klf2, Dll1, Dll4, Jag1, Hey1, Nrp1 and CoupTFII but that only Dll4, Hey1, Nrp1 and EphB4 required Notch1 for flow-induced expression. Our results therefore indicate that Notch1 can modulate mechanotransduction but is not a critical mediator of the process since many genes mechanotransduce normally in the absence of Notch1, including genes involved in arteriovenous differentiation.
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Affiliation(s)
- Espen D. Jahnsen
- Lady Davis Institute for Medical Research, McGill University, 3755 Côte Ste Catherine, Montreal, Quebec, H3T 1E2, Canada
- Department of Biomedical Engineering, McGill University, 3775 University St, Montreal, QC, H3A 2B4, Canada
| | - Alexandre Trindade
- Centro Interdisciplinar de Investigação em Sanidade Animal, Faculdade de Medicina Veterinária, University of Lisbon, Lisboa, Portugal
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Hans C. Zaun
- Lady Davis Institute for Medical Research, McGill University, 3755 Côte Ste Catherine, Montreal, Quebec, H3T 1E2, Canada
| | - Stéphanie Lehoux
- Lady Davis Institute for Medical Research, McGill University, 3755 Côte Ste Catherine, Montreal, Quebec, H3T 1E2, Canada
| | - António Duarte
- Centro Interdisciplinar de Investigação em Sanidade Animal, Faculdade de Medicina Veterinária, University of Lisbon, Lisboa, Portugal
- Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Elizabeth A. V. Jones
- Lady Davis Institute for Medical Research, McGill University, 3755 Côte Ste Catherine, Montreal, Quebec, H3T 1E2, Canada
- Department of Biomedical Engineering, McGill University, 3775 University St, Montreal, QC, H3A 2B4, Canada
- Department of Cardiovascular Science, KU Leuven, UZ Herestraat 49—box 911, 3000, Leuven, Belgium
- * E-mail:
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Charpentier MS, Tandon P, Trincot CE, Koutleva EK, Conlon FL. A distinct mechanism of vascular lumen formation in Xenopus requires EGFL7. PLoS One 2015; 10:e0116086. [PMID: 25705891 PMCID: PMC4338030 DOI: 10.1371/journal.pone.0116086] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 12/04/2014] [Indexed: 01/03/2023] Open
Abstract
During vertebrate blood vessel development, lumen formation is the critical process by which cords of endothelial cells transition into functional tubular vessels. Here, we use Xenopus embryos to explore the cellular and molecular mechanisms underlying lumen formation of the dorsal aorta and the posterior cardinal veins, the primary major vessels that arise via vasculogenesis within the first 48 hours of life. We demonstrate that endothelial cells are initially found in close association with one another through the formation of tight junctions expressing ZO-1. The emergence of vascular lumens is characterized by elongation of endothelial cell shape, reorganization of junctions away from the cord center to the periphery of the vessel, and onset of Claudin-5 expression within tight junctions. Furthermore, unlike most vertebrate vessels that exhibit specialized apical and basal domains, we show that early Xenopus vessels are not polarized. Moreover, we demonstrate that in embryos depleted of the extracellular matrix factor Epidermal Growth Factor-Like Domain 7 (EGFL7), an evolutionarily conserved factor associated with vertebrate vessel development, vascular lumens fail to form. While Claudin-5 localizes to endothelial tight junctions of EGFL7-depleted embryos in a timely manner, endothelial cells of the aorta and veins fail to undergo appropriate cell shape changes or clear junctions from the cell-cell contact. Taken together, we demonstrate for the first time the mechanisms by which lumens are generated within the major vessels in Xenopus and implicate EGFL7 in modulating cell shape and cell-cell junctions to drive proper lumen morphogenesis.
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Affiliation(s)
- Marta S. Charpentier
- University of North Carolina McAllister Heart Institute, UNC-CH, Chapel Hill, North Carolina, United States of America
- Department of Genetics and Molecular Biology, UNC-CH, Chapel Hill, North Carolina, United States of America
| | - Panna Tandon
- University of North Carolina McAllister Heart Institute, UNC-CH, Chapel Hill, North Carolina, United States of America
- Department of Genetics and Molecular Biology, UNC-CH, Chapel Hill, North Carolina, United States of America
| | - Claire E. Trincot
- University of North Carolina McAllister Heart Institute, UNC-CH, Chapel Hill, North Carolina, United States of America
- Department of Genetics and Molecular Biology, UNC-CH, Chapel Hill, North Carolina, United States of America
| | - Elitza K. Koutleva
- University of North Carolina McAllister Heart Institute, UNC-CH, Chapel Hill, North Carolina, United States of America
- Department of Biology, UNC-CH, Chapel Hill, North Carolina, United States of America
| | - Frank L. Conlon
- University of North Carolina McAllister Heart Institute, UNC-CH, Chapel Hill, North Carolina, United States of America
- Department of Genetics and Molecular Biology, UNC-CH, Chapel Hill, North Carolina, United States of America
- Department of Biology, UNC-CH, Chapel Hill, North Carolina, United States of America
- Lineberger Comprehensive Cancer Center, UNC-CH, Chapel Hill, North Carolina, United States of America
- * E-mail:
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Kim H, Huang L, Critser PJ, Yang Z, Chan RJ, Wang L, Carlesso N, Voytik-Harbin SL, Bernstein ID, Yoder MC. Notch ligand Delta-like 1 promotes in vivo vasculogenesis in human cord blood-derived endothelial colony forming cells. Cytotherapy 2015; 17:579-92. [PMID: 25559145 DOI: 10.1016/j.jcyt.2014.12.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 11/06/2014] [Accepted: 12/04/2014] [Indexed: 01/11/2023]
Abstract
BACKGROUND AIMS Human cord blood (CB) is enriched in circulating endothelial colony forming cells (ECFCs) that display high proliferative potential and in vivo vessel forming ability. Because Notch signaling is critical for embryonic blood vessel formation in utero, we hypothesized that Notch pathway activation may enhance cultured ECFC vasculogenic properties in vivo. METHODS In vitro ECFC stimulation with an immobilized chimeric Notch ligand (Delta-like1(ext-IgG)) led to significant increases in the mRNA and protein levels of Notch regulated Hey2 and EphrinB2 that were blocked by treatment with γ-secretase inhibitor addition. However, Notch stimulated preconditioning in vitro failed to enhance ECFC vasculogenesis in vivo. In contrast, in vivo co-implantation of ECFCs with OP9-Delta-like 1 stromal cells that constitutively expressed the Notch ligand delta-like 1 resulted in enhanced Notch activated ECFC-derived increased vessel density and enlarged vessel area in vivo, an effect not induced by OP9 control stromal implantation. RESULTS This Notch activation was associated with diminished apoptosis in the exposed ECFC. CONCLUSIONS We conclude that Notch pathway activation in ECFC in vivo via co-implanted stromal cells expressing delta-like 1 promotes vasculogenesis and augments blood vessel formation via diminishing apoptosis of the implanted ECFC.
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Affiliation(s)
- Hyojin Kim
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA; Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
| | - Lan Huang
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Paul J Critser
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Zhenyun Yang
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Rebecca J Chan
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Lin Wang
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Nadia Carlesso
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Sherry L Voytik-Harbin
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana, USA
| | | | - Mervin C Yoder
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana, USA; Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana, USA; Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana, USA.
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Yang H, Lee JH, Noh JK, Kim HC, Park CJ, Park JW, Kim KK. Expression Pattern of Early Growth Response Gene 1 during Olive Flounder ( Paralichthys olivaceus) Embryonic Development. Dev Reprod 2014; 18:233-240. [PMID: 32885106 PMCID: PMC7455093 DOI: 10.12717/dr.2014.18.4.233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The early growth response protein 1 (Egr-1) is a widely reported zinc finger
protein and a well known transcription factor encoded by the Egr-1 gene, which
plays key roles in many aspects of vertebrate embryogenesis and in adult
vertebrates. The Egr-1 expression is important in the formation of the gill
vascular system in flounders, which develops during the post-hatching phase and
is essential for survival during the juvenile period. However, the complete
details of Egr-1 expression during embryo development in olive flounder are not
available. We assessed the expression patterns of Egr-1 during the early
development of olive flounders by using reverse transcription polymerase chain
reaction (RT-PCR) analysis. Microscopic observations showed that gill filament
formation corresponded with the Egr-1 expression. Thus, we showed that Egr-1
plays a vital role in angiogenesis in the gill filaments during embryogenesis.
Further, Egr-1 expression was found to be strong at 5 days after hatching (DAH),
in the development of the gill vascular system, and this strong expression level
was maintained throughout all the development stages. Our findings have
important implications with respect to the biological role of Egr-1 and
evolution of the first respiratory blood vessels in the gills of olive flounder.
Further studies are required to elucidate the Egr-1-mediated stress response and
to decipher the functional role of Egr-1 in developmental stages.
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Affiliation(s)
- Hyun Yang
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Jeong-Ho Lee
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Jae Koo Noh
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Hyun Chul Kim
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Choul-Ji Park
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Jong-Won Park
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
| | - Kyung-Kil Kim
- Genetics and Breeding Research Center, NFRDI, Geoje 656-842, Korea
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50
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Cast AE, Walter TJ, Huppert SS. Vascular patterning sets the stage for macro and micro hepatic architecture. Dev Dyn 2014; 244:497-506. [PMID: 25370311 DOI: 10.1002/dvdy.24222] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 10/29/2014] [Accepted: 10/30/2014] [Indexed: 01/20/2023] Open
Abstract
Background The liver is a complex organ with a variety of tissue components that require a precise architecture for optimal function of metabolic and detoxification processes. As a result of the delicate orchestration required between the various hepatic tissues, it is not surprising that impairment of hepatic function can be caused by a variety of factors leading to chronic liver disease. Results Despite the growing rate of chronic liver disease, there are currently few effective treatment options besides orthotopic liver transplantation. Better therapeutic options reside in the potential for genetic and cellular therapies that promote progenitor cell activation aiding de novo epithelial and vascular regeneration, cell replacement, or population of bioartificial hepatic devices. In order to explore this area of new therapeutic potential, it is crucial to understand the factors that promote hepatic function through regulating cell identities and tissue architecture. Conclusions In this commentary, we review the signals regulating liver cell fates during development and regeneration and highlight the importance of patterning the hepatic vascular systems to set the groundwork for the macro and micro hepatic architecture of the epithelium.
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Affiliation(s)
- Ashley E Cast
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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