1
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Liu Y, Suhail Y, Novin A, Afzal J, Pant A, Kshitiz. Lactate in breast cancer cells is associated with evasion of hypoxia-induced cell cycle arrest and adverse patient outcome. Hum Cell 2024; 37:768-781. [PMID: 38478356 DOI: 10.1007/s13577-024-01046-1] [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: 12/13/2023] [Accepted: 02/14/2024] [Indexed: 04/15/2024]
Abstract
Tumor hypoxia is a common microenvironmental factor in breast cancers, resulting in stabilization of Hypoxia-Inducible Factor 1 (HIF-1), the master regulator of hypoxic response in cells. Metabolic adaptation by HIF-1 results in inhibition of citric acid cycle, causing accumulation of lactate in large concentrations in hypoxic cancers. Lactate can therefore serve as a secondary microenvironmental factor influencing cellular response to hypoxia. Presence of lactate can alter the hypoxic response of breast cancers in many ways, sometimes in opposite manners. Lactate stabilizes HIF-1 in oxidative condition, as well as destabilizes HIF-1 in hypoxia, increases cellular acidification, and mitigates HIF-1-driven inhibition of cellular respiration. We therefore tested the effect of lactate in MDA-MB-231 under hypoxia, finding that lactate can activate pathways associated with DNA replication, and cell cycling, as well as tissue morphogenesis associated with invasive processes. Using a bioengineered nano-patterned stromal invasion assay, we also confirmed that high lactate and induced HIF-1α gene overexpression can synergistically promote MDA-MB-231 dissemination and stromal trespass. Furthermore, using The Cancer Genome Atlas, we also surprisingly found that lactate in hypoxia promotes gene expression signatures prognosticating low survival in breast cancer patients. Our work documents that lactate accumulation contributes to increased heterogeneity in breast cancer gene expression promoting cancer growth and reducing patient survival.
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Affiliation(s)
- Yamin Liu
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT, USA
| | - Yasir Suhail
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT, USA
- Center for Cell Analysis and Modeling, University of Connecticut Health, Farmington, CT, USA
| | - Ashkan Novin
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT, USA
| | - Junaid Afzal
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Aditya Pant
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT, USA
- NEAG Comprehensive Cancer Center, University of Connecticut Health, Farmington, CT, USA
| | - Kshitiz
- Department of Biomedical Engineering, University of Connecticut Health, Farmington, CT, USA.
- Center for Cell Analysis and Modeling, University of Connecticut Health, Farmington, CT, USA.
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA.
- NEAG Comprehensive Cancer Center, University of Connecticut Health, Farmington, CT, USA.
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2
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Huang HT, Huang CY, Lee CJ, Sun BJ, Jhang ZW, Wen CC, Wang YH, Li TS, Chern CY, Chen YH. The angiogenesis-modulating effects of coumarin-derivatives. Comp Biochem Physiol C Toxicol Pharmacol 2024; 278:109862. [PMID: 38382586 DOI: 10.1016/j.cbpc.2024.109862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/26/2024] [Accepted: 02/15/2024] [Indexed: 02/23/2024]
Abstract
Coumarin is a natural compound that is rich in plants. Coumarin and its derivates were reported to have many biological activities, such as anti-bacterial, anti-tumor, and anti-coagulation. In this study, we examined the angiogenic modulating activities of six previously synthesized coumarin derivatives (Compound #1-#6) in zebrafish embryos and further confirmed them in a chick model. According to the survival rate in a zebrafish model, Compound #1 (100 %), #2 (82.5-100 %), and #4 (100 %) showed much less toxicity than Compound #3 (19.2-100 %), #5 (0-100 %), and #6 (0-100 %). Using a green blood vessel fluorescent transgenic fish Tg(fli1:egfp) to record the angiogenesis-modulating effects of Compound #1, #2, and #4, we found that Compound #2 had the highest effects in interfering intersegmental vessel growth, subintestinal vein growth, and caudal vein plexus remodeling. Chick chorioallantoic membrane (CAM) assay also showed that Compound #2 exposure led to a reduction of blood vessel growth. Real-time PCR experiments revealed that Compound #2 significantly changed the expression of vascular growth-related genes flt1, cdh5, and nrp1a in zebrafish. Based on our data from zebrafish and chick models, a new coumarin-derivative (Compound #2) possesses anti-angiogenic activity with low toxicity, but further investigation in mammal models is asked to confirm our findings.
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Affiliation(s)
- Han-Ting Huang
- Department of Chemistry, Tamkang University, Tamsui, Taiwan
| | | | - Chih-Jou Lee
- Department of Chemistry, Tamkang University, Tamsui, Taiwan
| | - Bo-Jie Sun
- Department of Chemistry, Tamkang University, Tamsui, Taiwan
| | - Zong-Wei Jhang
- Department of Applied Chemistry, National Chia-Yi University, Chiayi City 600, Taiwan
| | - Chi-Chung Wen
- Department of Mathematics, Tamkang University, Tamsui, New Taipei City 25137, Taiwan
| | - Yun-Hsin Wang
- Department of Chemistry, Tamkang University, Tamsui, Taiwan
| | - Tao-Sheng Li
- Stem Cell Biology Laboratory, Atomic Bomb Disease Institute, Nagasaki University, Japan
| | - Ching-Yuh Chern
- Department of Applied Chemistry, National Chia-Yi University, Chiayi City 600, Taiwan.
| | - Yau-Hung Chen
- Department of Chemistry, Tamkang University, Tamsui, Taiwan.
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3
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Yang Z, Zhang X, Bai X, Xi X, Liu W, Zhong W. Anti-angiogenesis in colorectal cancer therapy. Cancer Sci 2024; 115:734-751. [PMID: 38233340 PMCID: PMC10921012 DOI: 10.1111/cas.16063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/16/2023] [Accepted: 12/16/2023] [Indexed: 01/19/2024] Open
Abstract
The morbidity of colorectal cancer (CRC) has risen to third place among malignant tumors worldwide. In addition, CRC is a common cancer in China whose incidence increases annually. Angiogenesis plays an important role in the development of tumors because it can bring the nutrients that cancer cells need and take away metabolic waste. Various mechanisms are involved in the formation of neovascularization, and vascular endothelial growth factor is a key mediator. Meanwhile, angiogenesis inhibitors and drug resistance (DR) are challenges to consider when formulating treatment strategies for patients with different conditions. Thus, this review will discuss the molecules, signaling pathways, microenvironment, treatment, and DR of angiogenesis in CRC.
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Affiliation(s)
- Zhenni Yang
- Department of Gastroenterology and HepatologyGeneral Hospital, Tianjin Medical University, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive DiseasesTianjinChina
- Department of Gastroenterology and HepatologyXing'an League People's HospitalXing'an LeagueChina
| | - Xuqian Zhang
- Department of Gastroenterology and HepatologyGeneral Hospital, Tianjin Medical University, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive DiseasesTianjinChina
- Department of Gastroenterology and HepatologyChina Aerospace Science and Industry CorporationBeijingChina
| | - Xiaozhe Bai
- Department of Gastroenterology and HepatologyXing'an League People's HospitalXing'an LeagueChina
| | - Xiaonan Xi
- State Key Laboratory of Medicinal Chemical Biology and College of PharmacyNankai UniversityTianjinChina
| | - Wentian Liu
- Department of Gastroenterology and HepatologyGeneral Hospital, Tianjin Medical University, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive DiseasesTianjinChina
| | - Weilong Zhong
- Department of Gastroenterology and HepatologyGeneral Hospital, Tianjin Medical University, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive DiseasesTianjinChina
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4
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Sadeghsoltani F, Hassanpour P, Safari MM, Haiaty S, Rahbarghazi R, Rahmati M, Mota A. Angiogenic activity of mitochondria; beyond the sole bioenergetic organelle. J Cell Physiol 2024; 239:e31185. [PMID: 38219050 DOI: 10.1002/jcp.31185] [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: 10/09/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 01/15/2024]
Abstract
Angiogenesis is a complex process that involves the expansion of the pre-existing vascular plexus to enhance oxygen and nutrient delivery and is stimulated by various factors, including hypoxia. Since the process of angiogenesis requires a lot of energy, mitochondria play an important role in regulating and promoting this phenomenon. Besides their roles as an oxidative metabolism base, mitochondria are potential bioenergetics organelles to maintain cellular homeostasis via sensing alteration in oxygen levels. Under hypoxic conditions, mitochondria can regulate angiogenesis through different factors. It has been indicated that unidirectional and bidirectional exchange of mitochondria or their related byproducts between the cells is orchestrated via different intercellular mechanisms such as tunneling nanotubes, extracellular vesicles, and gap junctions to maintain the cell homeostasis. Even though, the transfer of mitochondria is one possible mechanism by which cells can promote and regulate the process of angiogenesis under reperfusion/ischemia injury. Despite the existence of a close relationship between mitochondrial donation and angiogenic response in different cell types, the precise molecular mechanisms associated with this phenomenon remain unclear. Here, we aimed to highlight the possible role of mitochondria concerning angiogenesis, especially the role of mitochondrial transport and the possible relation of this transfer with autophagy, the housekeeping phenomenon of cells, and angiogenesis.
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Affiliation(s)
- Fatemeh Sadeghsoltani
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parisa Hassanpour
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mir-Meghdad Safari
- Open Heart ICU of Shahid Madani Cardiovascular Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanya Haiaty
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohamad Rahmati
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Mota
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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5
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Díaz-Flores L, Gutiérrez R, González-Gómez M, García MDP, Carrasco-Juan JL, Martín-Vasallo P, Madrid JF, Díaz-Flores L. Phenomena of Intussusceptive Angiogenesis and Intussusceptive Lymphangiogenesis in Blood and Lymphatic Vessel Tumors. Biomedicines 2024; 12:258. [PMID: 38397861 PMCID: PMC10887293 DOI: 10.3390/biomedicines12020258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/16/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024] Open
Abstract
Intussusceptive angiogenesis (IA) and intussusceptive lymphangiogenesis (IL) play a key role in the growth and morphogenesis of vessels. However, there are very few studies in this regard in vessel tumors (VTs). Our objective is to assess the presence, characteristics, and possible mechanisms of the formation of intussusceptive structures in a broad spectrum of VTs. For this purpose, examples of benign and malignant blood and lymphatic VTs were studied via conventional procedures, semithin sections, and immunochemistry and immunofluorescence microscopy. The results demonstrated intussusceptive structures (pillars, meshes, and folds) in benign (lobular capillary hemangioma or pyogenic granuloma, intravascular papillary endothelial hyperplasia or Masson tumor, sinusoidal hemangioma, cavernous hemangioma, glomeruloid hemangioma, angiolipoma, and lymphangiomas), low-grade malignancy (retiform hemangioendothelioma and Dabska tumor), and malignant (angiosarcoma and Kaposi sarcoma) VTs. Intussusceptive structures showed an endothelial cover and a core formed of connective tissue components and presented findings suggesting an origin through vessel loops, endothelialized thrombus, interendothelial bridges, and/or splitting and fusion, and conditioned VT morphology. In conclusion, the findings support the participation of IA and IL, in association with sprouting angiogenesis, in VTs, and therefore in their growth and morphogenesis, which is of pathophysiological interest and lays the groundwork for in-depth molecular studies with therapeutic purposes.
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Affiliation(s)
- Lucio Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain (J.-L.C.-J.)
| | - Ricardo Gutiérrez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain (J.-L.C.-J.)
| | - Miriam González-Gómez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain (J.-L.C.-J.)
- Instituto de Tecnologías Biomédicas de Canarias, University of La Laguna, 38071 Tenerife, Spain
| | - Maria del Pino García
- Department of Pathology, Eurofins Megalab-Hospiten Hospitals, 38100 Tenerife, Spain;
| | - Jose-Luis Carrasco-Juan
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain (J.-L.C.-J.)
| | - Pablo Martín-Vasallo
- Department of Bioquímica, Microbiología, Biología Celular y Genética, University of La Laguna, 38206 Tenerife, Spain;
| | - Juan Francisco Madrid
- Department of Cell Biology and Histology, School of Medicine, Campus of International Excellence “Campus Mare Nostrum”, IMIB-Arrixaca, University of Murcia, 30100 Murcia, Spain;
| | - Lucio Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain (J.-L.C.-J.)
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6
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Pathak A, Pal AK, Roy S, Nandave M, Jain K. Role of Angiogenesis and Its Biomarkers in Development of Targeted Tumor Therapies. Stem Cells Int 2024; 2024:9077926. [PMID: 38213742 PMCID: PMC10783989 DOI: 10.1155/2024/9077926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/21/2023] [Accepted: 12/04/2023] [Indexed: 01/13/2024] Open
Abstract
Angiogenesis plays a significant role in the human body, from wound healing to tumor progression. "Angiogenic switch" indicates a time-restricted event where the imbalance between pro- and antiangiogenic factors results in the transition from prevascular hyperplasia to outgrowing vascularized tumor, which eventually leads to the malignant cancer progression. In the last decade, molecular players, i.e., angiogenic biomarkers and underlying molecular pathways involved in tumorigenesis, have been intensely investigated. Disrupting the initiation and halting the progression of angiogenesis by targeting these biomarkers and molecular pathways has been considered as a potential treatment approach for tumor angiogenesis. This review discusses the currently known biomarkers and available antiangiogenic therapies in cancer, i.e., monoclonal antibodies, aptamers, small molecular inhibitors, miRNAs, siRNAs, angiostatin, endostatin, and melatonin analogues, either approved by the U.S. Food and Drug Administration or currently under clinical and preclinical investigations.
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Affiliation(s)
- Anchal Pathak
- Drug Delivery and Nanomedicine Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, India
| | - Ajay Kumar Pal
- Department of Pharmacology, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Subhadeep Roy
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Mukesh Nandave
- Department of Pharmacology, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - Keerti Jain
- Drug Delivery and Nanomedicine Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Lucknow, India
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7
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Anakha J, Dobariya P, Sharma SS, Pande AH. Recombinant human endostatin as a potential anti-angiogenic agent: therapeutic perspective and current status. Med Oncol 2023; 41:24. [PMID: 38123873 DOI: 10.1007/s12032-023-02245-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/09/2023] [Indexed: 12/23/2023]
Abstract
Angiogenesis is the physiological process that results in the formation of new blood vessels develop from pre-existing vasculature and plays a significant role in several physiological and pathological processes. Inhibiting angiogenesis, a crucial mechanism in the growth and metastasis of cancer, has been proposed as a potential anticancer therapy. Different studies showed the beneficial effects of angiogenesis inhibitors either in patients suffering from different cancers, alone or in combination with conventional therapies. Even though there are currently a number of efficient anti-angiogenic drugs, including monoclonal antibodies and kinase inhibitors, the associated toxicity profile and their affordability constraints are prompting researchers to search for a safe and affordable angiostatic agent for cancer treatment. Endostatin is one of the endogenous anti-angiogenic candidates that have been extensively pursued for the treatment of cancer, but even over three decades after its discovery, we have not made much advancement in employing it as an anticancer therapeutic despite of its remarkable anti-angiogenic effect with low toxicity profile. A recombinant human endostatin (rh-Es) variant for non-small cell lung cancer was approved by China in 2006 and has since been used effectively. Several other successful clinical trials related to endostatin for various malignancies are either ongoing or have already been completed with promising results. Thus, in this review, we have provided an overview of existing anti-angiogenic drugs developed for cancer therapy, with a summary of tumour angiogenesis in the context of Endostatin, and clinical status of rh-Es in cancer treatment. Furthermore, we briefly discuss the various strategies to improve endostatin features (poor pharmacokinetic properties) for developing rh-Es as a safe and effective agent for cancer treatment.
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Affiliation(s)
- J Anakha
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Mohali, Punjab, 160062, India
| | - Prakashkumar Dobariya
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Mohali, Punjab, 160062, India
| | - Shyam Sunder Sharma
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Mohali, Punjab, 160062, India
| | - Abhay H Pande
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Mohali, Punjab, 160062, India.
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8
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Maung Ye SS, Phng LK. A cell-and-plasma numerical model reveals hemodynamic stress and flow adaptation in zebrafish microvessels after morphological alteration. PLoS Comput Biol 2023; 19:e1011665. [PMID: 38048371 PMCID: PMC10721208 DOI: 10.1371/journal.pcbi.1011665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 12/14/2023] [Accepted: 11/06/2023] [Indexed: 12/06/2023] Open
Abstract
The development of a functional cardiovascular system ensures a sustainable oxygen, nutrient and hormone delivery system for successful embryonic development and homeostasis in adulthood. While early vessels are formed by biochemical signaling and genetic programming, the onset of blood flow provides mechanical cues that participate in vascular remodeling of the embryonic vascular system. The zebrafish is a prolific animal model for studying the quantitative relationship between blood flow and vascular morphogenesis due to a combination of favorable factors including blood flow visualization in optically transparent larvae. In this study, we have developed a cell-and-plasma blood transport model using computational fluid dynamics (CFD) to understand how red blood cell (RBC) partitioning affect lumen wall shear stress (WSS) and blood pressure in zebrafish trunk blood vascular networks with altered rheology and morphology. By performing live imaging of embryos with reduced hematocrit, we discovered that cardiac output and caudal artery flow rates were maintained. These adaptation trends were recapitulated in our CFD models, which showed reduction in network WSS via viscosity reduction in the caudal artery/vein and via pressure gradient weakening in the intersegmental vessels (ISVs). Embryos with experimentally reduced lumen diameter showed reduced cardiac output and caudal artery flow rate. Factoring in this trend into our CFD models, simulations highlighted that lumen diameter reduction increased vessel WSS but this increase was mitigated by flow reduction due to the adaptive network pressure gradient weakening. Additionally, hypothetical network CFD models with different vessel lumen diameter distribution characteristics indicated the significance of axial variation in lumen diameter and cross-sectional shape for establishing physiological WSS gradients along ISVs. In summary, our work demonstrates how both experiment-driven and hypothetical CFD modeling can be employed for the study of blood flow physiology during vascular remodeling.
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Affiliation(s)
- Swe Soe Maung Ye
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, Japan
| | - Li-Kun Phng
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, Japan
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9
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Röss H, Aaldijk D, Vladymyrov M, Odriozola A, Djonov V. Transluminal Pillars-Their Origin and Role in the Remodelling of the Zebrafish Caudal Vein Plexus. Int J Mol Sci 2023; 24:16703. [PMID: 38069025 PMCID: PMC10706262 DOI: 10.3390/ijms242316703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/10/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
Intussusceptive pillars, regarded as a hallmark of intussusceptive angiogenesis, have been described in developing vasculature of many organs and organisms. The aim of this study was to resolve the question about pillar formation and their further maturation employing zebrafish caudal vein plexus (CVP). The CVP development was monitored by in vivo confocal microscopy in high spatio-temporal resolution using the transgenic zebrafish model Fli1a:eGPF//Gata1:dsRed. We tracked back the formation of pillars (diameter ≤ 4 µm) and intercapillary meshes (diameter > 4 µm) and analysed their morphology and behaviour. Transluminal pillars in the CVP arose via a combination of sprouting, lumen expansion, and/or the creation of intraluminal folds, and those mechanisms were not associated directly with blood flow. The follow-up of pillars indicated that one-third of them disappeared between 28 and 48 h post fertilisation (hpf), and of the remaining ones, only 1/17 changed their cross-section area by >50%. The majority of the bigger meshes (39/62) increased their cross-section area by >50%. Plexus simplification and the establishment of hierarchy were dominated by the dynamics of intercapillary meshes, which formed mainly via sprouting angiogenesis. These meshes were observed to grow, reshape, and merge with each other. Our observations suggested an alternative view on intussusceptive angiogenesis in the CVP.
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Affiliation(s)
- Helena Röss
- Institute of Anatomy, University of Bern, 3012 Bern, Switzerland; (H.R.); (D.A.); (A.O.)
| | - Dea Aaldijk
- Institute of Anatomy, University of Bern, 3012 Bern, Switzerland; (H.R.); (D.A.); (A.O.)
| | | | - Adolfo Odriozola
- Institute of Anatomy, University of Bern, 3012 Bern, Switzerland; (H.R.); (D.A.); (A.O.)
| | - Valentin Djonov
- Institute of Anatomy, University of Bern, 3012 Bern, Switzerland; (H.R.); (D.A.); (A.O.)
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10
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Tsuji-Tamura K, Ogawa M. FOXO1 promotes endothelial cell elongation and angiogenesis by up-regulating the phosphorylation of myosin light chain 2. Angiogenesis 2023; 26:523-545. [PMID: 37488325 DOI: 10.1007/s10456-023-09884-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 07/11/2023] [Indexed: 07/26/2023]
Abstract
The forkhead box O1 (FOXO1) is an important transcription factor related to proliferation, metabolism, and homeostasis, while the major phenotype of FOXO1-null mice is abnormal vascular morphology, such as vessel enlargement and dilation. In in vitro mouse embryonic stem cell (ESC)-differentiation system, Foxo1-/- vascular endothelial cells (ECs) fail to elongate, and mimic the abnormalities of FOXO1-deficiency in vivo. Here, we identified the PPP1R14C gene as the FOXO1 target genes responsible for elongating using transcriptome analyses in ESC-derived ECs (ESC-ECs), and found that the FOXO1-PPP1R14C-myosin light chain 2 (MLC2) axis is required for EC elongation during angiogenesis. MLC2 is phosphorylated by MLC kinase (MLCK) and dephosphorylated by MLC phosphatase (MLCP). PPP1R14C is an inhibitor of PP1, the catalytic subunit of MLCP. The abnormal morphology of Foxo1-/- ESC-ECs was associated with low level of PPP1R14C and loss of MLC2 phosphorylation, which were reversed by PPP1R14C-introduction. Knockdown of either FOXO1 or PPP1R14C suppressed vascular cord formation and reduced MLC2 phosphorylation in human ECs (HUVECs). The mouse and human PPP1R14C locus possesses an enhancer element containing conserved FOXO1-binding motifs. In vivo chemical inhibition of MLC2 phosphorylation caused dilated vascular structures in mouse embryos. Furthermore, foxo1 or ppp1r14c-knockdown zebrafish exhibited vascular malformations, which were also restored by PPP1R14C-introduction. Mechanistically, FOXO1 suppressed MLCP activity by up-regulating PPP1R14C expression, thereby promoting MLC2 phosphorylation and EC elongation, which are necessary for vascular development. Given the importance of MLC2 phosphorylation in cell morphogenesis, this study may provide novel insights into the role of FOXO1 in control of angiogenesis.
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Affiliation(s)
- Kiyomi Tsuji-Tamura
- Oral Biochemistry and Molecular Biology, Department of Oral Health Science, Faculty of Dental Medicine and Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, 060-8586, Japan.
| | - Minetaro Ogawa
- Department of Cell Differentiation, Institute of Molecular Embryology and Genetics, Kumamoto University, 2-2-1 Honjo, Chuo-Ku, Kumamoto, 860-0811, Japan
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11
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Burke-Kleinman J, Gotlieb AI. Progression of Arterial Vasa Vasorum from Regulator of Arterial Homeostasis to Promoter of Atherogenesis. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1468-1484. [PMID: 37356574 DOI: 10.1016/j.ajpath.2023.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/30/2023] [Accepted: 06/08/2023] [Indexed: 06/27/2023]
Abstract
The vasa vasorum (vessels of vessels) are a dynamic microvascular system uniquely distributed to maintain physiological homeostasis of the artery wall by supplying nutrients and oxygen to the outer layers of the artery wall, adventitia, and perivascular adipose tissue, and in large arteries, to the outer portion of the medial layer. Vasa vasorum endothelium and contractile mural cells regulate direct access of bioactive cells and factors present in both the systemic circulation and the arterial perivascular adipose tissue and adventitia to the artery wall. Experimental and human data show that proatherogenic factors and cells gain direct access to the artery wall via the vasa vasorum and may initiate, promote, and destabilize the plaque. Activation and growth of vasa vasorum occur in all blood vessel layers primarily by angiogenesis, producing fragile and permeable new microvessels that may cause plaque hemorrhage and fibrous cap rupture. Ironically, invasive therapies, such as angioplasty and coronary artery bypass grafting, injure the vasa vasorum, leading to treatment failures. The vasa vasorum function both as a master integrator of arterial homeostasis and, once perturbed or injured, as a promotor of atherogenesis. Future studies need to be directed at establishing reliable in vivo and in vitro models to investigate the cellular and molecular regulation of the function and dysfunction of the arterial vasa vasorum.
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Affiliation(s)
- Jonah Burke-Kleinman
- Department of Laboratory Medicine and Pathobiology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
| | - Avrum I Gotlieb
- Department of Laboratory Medicine and Pathobiology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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12
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Greysson-Wong J, Rode R, Ryu JR, Chan JL, Davari P, Rinker KD, Childs SJ. rasa1-related arteriovenous malformation is driven by aberrant venous signalling. Development 2023; 150:dev201820. [PMID: 37708300 DOI: 10.1242/dev.201820] [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: 04/13/2023] [Accepted: 08/21/2023] [Indexed: 09/16/2023]
Abstract
Arteriovenous malformations (AVMs) develop where abnormal endothelial signalling allows direct connections between arteries and veins. Mutations in RASA1, a Ras GTPase activating protein, lead to AVMs in humans and, as we show, in zebrafish rasa1 mutants. rasa1 mutants develop cavernous AVMs that subsume part of the dorsal aorta and multiple veins in the caudal venous plexus (CVP) - a venous vascular bed. The AVMs progressively enlarge and fill with slow-flowing blood. We show that the AVM results in both higher minimum and maximum flow velocities, resulting in increased pulsatility in the aorta and decreased pulsatility in the vein. These hemodynamic changes correlate with reduced expression of the flow-responsive transcription factor klf2a. Remodelling of the CVP is impaired with an excess of intraluminal pillars, which is a sign of incomplete intussusceptive angiogenesis. Mechanistically, we show that the AVM arises from ectopic activation of MEK/ERK in the vein of rasa1 mutants, and that cell size is also increased in the vein. Blocking MEK/ERK signalling prevents AVM initiation in mutants. Alterations in venous MEK/ERK therefore drive the initiation of rasa1 AVMs.
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Affiliation(s)
- Jasper Greysson-Wong
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
| | - Rachael Rode
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Chemical and Petroleum Engineering, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
| | - Jae-Ryeon Ryu
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
| | - Jo Li Chan
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
| | - Paniz Davari
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
| | - Kristina D Rinker
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Chemical and Petroleum Engineering, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
| | - Sarah J Childs
- Alberta Children's Hospital Research Institute, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, 3330 University Drive NW, Calgary, AB T2N 4N1, Canada
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13
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Ma Y, Zhu Q, Luo S, Zhang F, Liu L, Mengxue Z, Zhang Z, Cao X, Qiu X, Zeng X, Ji D, Li C, Zhong X, Wang J, Wei Y. Environmentally relevant concentrations of fipronil selectively disrupt venous vessel development in zebrafish embryos/larvae. CHEMOSPHERE 2023:139146. [PMID: 37290517 DOI: 10.1016/j.chemosphere.2023.139146] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/29/2023] [Accepted: 06/04/2023] [Indexed: 06/10/2023]
Abstract
The pesticide fipronil is widely dispersed in aquatic environments and frequently detected in the general population. Although the adverse effects on embryonic growth by fipronil exposure have been extensively documented, the early responses for its developmental toxicity are largely unknown. In the present study, we explored the sensitive targets of fipronil, focusing on vascular injury using zebrafish embryos/larvae and cultured human endothelial cells. Exposure to 5-500 μg/L fipronil at the early stage impeded the growth of sub-intestinal venous plexus (SIVP), caudal vein plexus (CVP), and common cardinal veins (CCV). The damages on venous vessels occurred at exposure to the environmentally relevant concentration as low as 5 μg/L fipronil, whereas no significant change was observed in general toxicity indexes. In contrast, vascular development of the dorsal aorta (DA) or intersegmental artery (ISA) was not affected. In addition, the mRNA levels of vascular markers and vessel type-specific function genes exhibited significant decreases in venous genes, including nr2f2, ephb4a, and flt4, but no appreciable change in arterial genes. Likewise, the more pronounced changes in cell death and cytoskeleton disruption were shown in human umbilical vein endothelial cells as compared with human aortic endothelial cells. Furthermore, molecular docking supported a stronger affinity of fipronil and its metabolites to the proteins correlated with venous development, such as BMPR2 and SMARCA4. These results reveal the heterogeneity in developing vasculature responsive to fipronil's exposure. The preferential impacts on the veins confer higher sensitivity, allowing them to be appropriate targets for monitoring fipronil's developmental toxicity.
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Affiliation(s)
- Ya Ma
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Qicheng Zhu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Shili Luo
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Fenghong Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China
| | - Lei Liu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China
| | - Zhi Mengxue
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China
| | - Zhuyi Zhang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiaolian Cao
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xuelin Qiu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiangyu Zeng
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Di Ji
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Chenxin Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiali Zhong
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jianshe Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China.
| | - Yanhong Wei
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China.
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14
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Leonard EV, Hasan SS, Siekmann AF. Temporally and regionally distinct morphogenetic processes govern zebrafish caudal fin blood vessel network expansion. Development 2023; 150:dev201030. [PMID: 36938965 PMCID: PMC10113958 DOI: 10.1242/dev.201030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 03/10/2023] [Indexed: 03/21/2023]
Abstract
Blood vessels form elaborate networks that depend on tissue-specific signalling pathways and anatomical structures to guide their growth. However, it is not clear which morphogenetic principles organize the stepwise assembly of the vasculature. We therefore performed a longitudinal analysis of zebrafish caudal fin vascular assembly, revealing the existence of temporally and spatially distinct morphogenetic processes. Initially, vein-derived endothelial cells (ECs) generated arteries in a reiterative process requiring vascular endothelial growth factor (Vegf), Notch and cxcr4a signalling. Subsequently, veins produced veins in more proximal fin regions, transforming pre-existing artery-vein loops into a three-vessel pattern consisting of an artery and two veins. A distinct set of vascular plexuses formed at the base of the fin. They differed in their diameter, flow magnitude and marker gene expression. At later stages, intussusceptive angiogenesis occurred from veins in distal fin regions. In proximal fin regions, we observed new vein sprouts crossing the inter-ray tissue through sprouting angiogenesis. Together, our results reveal a surprising diversity among the mechanisms generating the mature fin vasculature and suggest that these might be driven by separate local cues.
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Affiliation(s)
- Elvin V. Leonard
- Max Planck Institute for Molecular Biomedicine, Röntgenstr. 20, 48149 Münster, Germany
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, 1114 Biomedical Research Building, 421 Curie Boulevard, Philadelphia, PA 19104, USA
| | - Sana Safatul Hasan
- Max Planck Institute for Molecular Biomedicine, Röntgenstr. 20, 48149 Münster, Germany
| | - Arndt F. Siekmann
- Max Planck Institute for Molecular Biomedicine, Röntgenstr. 20, 48149 Münster, Germany
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, 1114 Biomedical Research Building, 421 Curie Boulevard, Philadelphia, PA 19104, USA
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15
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Barachini S, Ghelardoni S, Madonna R. Vascular Progenitor Cells: From Cancer to Tissue Repair. J Clin Med 2023; 12:jcm12062399. [PMID: 36983398 PMCID: PMC10059009 DOI: 10.3390/jcm12062399] [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: 02/15/2023] [Revised: 03/12/2023] [Accepted: 03/19/2023] [Indexed: 03/30/2023] Open
Abstract
Vascular progenitor cells are activated to repair and form a neointima following vascular damage such as hypertension, atherosclerosis, diabetes, trauma, hypoxia, primary cancerous lesions and metastases as well as catheter interventions. They play a key role not only in the resolution of the vascular lesion but also in the adult neovascularization and angiogenesis sprouting (i.e., the growth of new capillaries from pre-existing ones), often associated with carcinogenesis, favoring the formation of metastases, survival and progression of tumors. In this review, we discuss the biology, cellular plasticity and pathophysiology of different vascular progenitor cells, including their origins (sources), stimuli and activated pathways that induce differentiation, isolation and characterization. We focus on their role in tumor-induced vascular injury and discuss their implications in promoting tumor angiogenesis during cancer proliferation and migration.
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Affiliation(s)
- Serena Barachini
- Laboratory for Cell Therapy, Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Sandra Ghelardoni
- Laboratory of Biochemistry, Department of Pathology, University of Pisa, 56126 Pisa, Italy
| | - Rosalinda Madonna
- Department of Pathology, Cardiology Division, University of Pisa, 56126 Pisa, Italy
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16
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Díaz-Flores L, Gutiérrez R, Pino García M, González-Gómez M, Díaz-Flores L, Carrasco JL, Madrid JF, Álvarez-Argüelles H. Intussusceptive angiogenesis facilitated by microthrombosis has an important example in angiolipoma. An ultrastructural and immunohistochemical study. Histol Histopathol 2023; 38:29-46. [PMID: 35775452 DOI: 10.14670/hh-18-488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The microvasculature of angiolipoma frequently presents thrombi. Our objectives are to assess whether intussusceptive angiogenesis (IA) participates in vasculature formation in non-infiltrating angiolipoma and, if so, to explore how thrombi are involved in the IA process. For this purpose, we studied angiolipoma specimens (n: 52), using immunohistochemistry, and confocal and electron microscopy. The results showed the presence of folds and pillars, hallmarks of IA, dividing the vessel lumen. Folds showed a cover formed by reoriented endothelial cells from the vessel wall, or from newly formed folds, and a core initially formed by thrombus fragments (clot components as transitional core), which was replaced by extracellular matrix and invaginating pericytes establishing numerous peg-and-socket junctions with endothelial cells (mature core). A condensed plasmatic electron-dense material surrounded and connected folds and pillars with each other and with the vascular wall, which suggests a clot role in fold/pillar arrangement. In conclusion, we contribute to IA participation in capillary network formation in angiolipoma and the immunohistochemical and ultrastructural events by which microthrombosis facilitates IA. Therefore, in addition to the histogenesis of angiolipoma, we provide an easily obtainable substrate for future studies on clot component action in IA, of clinical and therapeutic interest.
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Affiliation(s)
- Lucio Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain.
| | - Ricardo Gutiérrez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - Maria Pino García
- Department of Pathology, Eurofins Megalab-Hospiten Hospitals, Tenerife, Spain
| | - Miriam González-Gómez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain.,Instituto de Tecnologías Biomédicas de Canarias, University of La Laguna, Tenerife, Spain
| | - Lucio Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - Jose Luis Carrasco
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - Juan Francisco Madrid
- Department of Cell Biology and Histology, School of Medicine, Campus of International Excellence "Campus Mare Nostrum", IMIB-Arrixaca, University of Murcia, Murcia, Spain
| | - Hugo Álvarez-Argüelles
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
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17
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Díaz-Flores L, Gutiérrez R, García MP, González-Gómez M, Díaz-Flores L, Carrasco JL, Madrid JF, Rodríguez Bello A. Comparison of the Behavior of Perivascular Cells (Pericytes and CD34+ Stromal Cell/Telocytes) in Sprouting and Intussusceptive Angiogenesis. Int J Mol Sci 2022; 23:ijms23169010. [PMID: 36012273 PMCID: PMC9409369 DOI: 10.3390/ijms23169010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
Perivascular cells in the pericytic microvasculature, pericytes and CD34+ stromal cells/telocytes (CD34+SCs/TCs), have an important role in angiogenesis. We compare the behavior of these cells depending on whether the growth of endothelial cells (ECs) from the pre-existing microvasculature is toward the interstitium with vascular bud and neovessel formation (sprouting angiogenesis) or toward the vascular lumen with intravascular pillar development and vessel division (intussusceptive angiogenesis). Detachment from the vascular wall, mobilization, proliferation, recruitment, and differentiation of pericytes and CD34+SCs/TCs, as well as associated changes in vessel permeability and functionality, and modifications of the extracellular matrix are more intense, longer lasting over time, and with a greater energy cost in sprouting angiogenesis than in intussusceptive angiogenesis, in which some of the aforementioned events do not occur or are compensated for by others (e.g., sparse EC and pericyte proliferation by cell elongation and thinning). The governing mechanisms involve cell-cell contacts (e.g., peg-and-socket junctions between pericytes and ECs), multiple autocrine and paracrine signaling molecules and pathways (e.g., vascular endothelial growth factor, platelet-derived growth factor, angiopoietins, transforming growth factor B, ephrins, semaphorins, and metalloproteinases), and other factors (e.g., hypoxia, vascular patency, and blood flow). Pericytes participate in vessel development, stabilization, maturation and regression in sprouting angiogenesis, and in interstitial tissue structure formation of the pillar core in intussusceptive angiogenesis. In sprouting angiogenesis, proliferating perivascular CD34+SCs/TCs are an important source of stromal cells during repair through granulation tissue formation and of cancer-associated fibroblasts (CAFs) in tumors. Conversely, CD34+SCs/TCs have less participation as precursor cells in intussusceptive angiogenesis. The dysfunction of these mechanisms is involved in several diseases, including neoplasms, with therapeutic implications.
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Affiliation(s)
- Lucio Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain
- Correspondence: ; Tel.: +34-922-319317; Fax: +34-922-319279
| | - Ricardo Gutiérrez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain
| | - Maria Pino García
- Department of Pathology, Eurofins Megalab–Hospiten Hospitals, 38100 Tenerife, Spain
| | - Miriam González-Gómez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain
- Instituto de Tecnologías Biomédicas de Canarias, University of La Laguna, 38071 Tenerife, Spain
| | - Lucio Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain
| | - Jose Luis Carrasco
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, 38071 Tenerife, Spain
| | - Juan Francisco Madrid
- Department of Cell Biology and Histology, School of Medicine, Campus of International Excellence “Campus Mare Nostrum”, IMIB-Arrixaca, University of Murcia, 30120 Murcia, Spain
| | - Aixa Rodríguez Bello
- Department of Bioquímica, Microbiología, Biología Celular y Genética, University of La Laguna, 38071 Tenerife, Spain
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18
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Maung Ye SS, Kim JK, Carretero NT, Phng LK. High-Throughput Imaging of Blood Flow Reveals Developmental Changes in Distribution Patterns of Hemodynamic Quantities in Developing Zebrafish. Front Physiol 2022; 13:881929. [PMID: 35795647 PMCID: PMC9251365 DOI: 10.3389/fphys.2022.881929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
Mechanical forces from blood flow and pressure (hemodynamic forces) contribute to the formation and shaping of the blood vascular network during embryonic development. Previous studies have demonstrated that hemodynamic forces regulate signaling and gene expression in endothelial cells that line the inner surface of vascular tubes, thereby modifying their cellular state and behavior. Given its important role in vascular development, we still know very little about the quantitative aspects of hemodynamics that endothelial cells experience due to the difficulty in measuring forces in vivo. In this study, we sought to determine the magnitude of wall shear stress (WSS) exerted on ECs by blood flow in different vessel types and how it evolves during development. Utilizing the zebrafish as a vertebrate model system, we have established a semi-automated high-throughput fluorescent imaging system to capture the flow of red blood cells in an entire zebrafish between 2- and 6-day post-fertilization (dpf). This system is capable of imaging up to 50 zebrafish at a time. A semi-automated analysis method was developed to calculate WSS in zebrafish trunk vessels. This was achieved by measuring red blood cell flow using particle tracking velocimetry analysis, generating a custom-made script to measure lumen diameter, and measuring local tube hematocrit levels to calculate the effective blood viscosity at each developmental stage. With this methodology, we were able to determine WSS magnitude in different vessels at different stages of embryonic and larvae growth and identified developmental changes in WSS, with absolute levels of peak WSS in all vessel types falling to levels below 0.3 Pa at 6 dpf. Additionally, we discovered that zebrafish display an anterior-to-posterior trend in WSS at each developmental stage.
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Affiliation(s)
- Swe Soe Maung Ye
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, Japan
| | - Jung Kyung Kim
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, Japan
- School of Mechanical Engineering, Kookmin University, Seoul, South Korea
| | - Nuria Taberner Carretero
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, Japan
| | - Li-Kun Phng
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe, Japan
- *Correspondence: Li-Kun Phng,
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19
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Nitzsche B, Rong WW, Goede A, Hoffmann B, Scarpa F, Kuebler WM, Secomb TW, Pries AR. Coalescent angiogenesis-evidence for a novel concept of vascular network maturation. Angiogenesis 2021; 25:35-45. [PMID: 34905124 PMCID: PMC8669669 DOI: 10.1007/s10456-021-09824-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/07/2021] [Indexed: 02/06/2023]
Abstract
Angiogenesis describes the formation of new blood vessels from pre-existing vascular structures. While the most studied mode of angiogenesis is vascular sprouting, specific conditions or organs favor intussusception, i.e., the division or splitting of an existing vessel, as preferential mode of new vessel formation. In the present study, sustained (33-h) intravital microscopy of the vasculature in the chick chorioallantoic membrane (CAM) led to the hypothesis of a novel non-sprouting mode for vessel generation, which we termed "coalescent angiogenesis." In this process, preferential flow pathways evolve from isotropic capillary meshes enclosing tissue islands. These preferential flow pathways progressively enlarge by coalescence of capillaries and elimination of internal tissue pillars, in a process that is the reverse of intussusception. Concomitantly, less perfused segments regress. In this way, an initially mesh-like capillary network is remodeled into a tree structure, while conserving vascular wall components and maintaining blood flow. Coalescent angiogenesis, thus, describes the remodeling of an initial, hemodynamically inefficient mesh structure, into a hierarchical tree structure that provides efficient convective transport, allowing for the rapid expansion of the vasculature with maintained blood supply and function during development.
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Affiliation(s)
- Bianca Nitzsche
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner site Berlin, 10117, Berlin, Germany
| | - Wen Wei Rong
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany
| | - Andrean Goede
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany
| | - Björn Hoffmann
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany
| | - Fabio Scarpa
- Department of Information Engineering, University of Padua, Padua, Italy
| | - Wolfgang M Kuebler
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner site Berlin, 10117, Berlin, Germany
| | - Timothy W Secomb
- Department of Physiology, University of Arizona, Tucson, AZ, 85724, USA
| | - Axel R Pries
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Physiology, Berlin, Germany. .,German Center for Cardiovascular Research (DZHK), Partner site Berlin, 10117, Berlin, Germany.
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20
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Okasato R, Kano K, Kise R, Inoue A, Fukuhara S, Aoki J. An ATX-LPA 6-Gα 13-ROCK axis shapes and maintains caudal vein plexus in zebrafish. iScience 2021; 24:103254. [PMID: 34755093 PMCID: PMC8564058 DOI: 10.1016/j.isci.2021.103254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 09/06/2021] [Accepted: 10/08/2021] [Indexed: 12/31/2022] Open
Abstract
Lysophosphatidic acid (LPA) is a potential regulator of vascular formation derived from blood. In this study, we utilized zebrafish as a model organism to monitor the blood vessel formation in detail. Zebrafish mutant of ATX, an LPA-producing enzyme, had a defect in the caudal vein plexus (CVP). Pharmacological inhibition of ATX resulted in a fusion of the delicate vessels in the CVP to form large sac-like vessels. Mutant embryos of LPA6 receptor and downstream Gα13 showed the same phenotype. Administration of OMPT, a stable LPA-analog, induced rapid CVP constriction, which was attenuated significantly in the LPA6 mutant. We also found that blood flow-induced CVP formation was dependent on ATX. The present study demonstrated that the ATX-LPA6 axis acts cooperatively with blood flow and contributes to the formation and maintenance of the CVP by generating contractive force in endothelial cells. Blocking an ATX-LPA6-Gα13-ROCK axis causes malformation of the caudal vein plexus The axis also contributes to maintaining the fine structure of the caudal vein plexus Activation of LPA6 induces vasoconstriction Caudal vein plexus formation evoked by blood flow is dependent on an ATX-LPA6 axis
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Affiliation(s)
- Ryohei Okasato
- Graduate School of Pharmaceutical Sciences, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.,Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan.,AMED-LEAP, Japan Agency for Medical Research and Development, 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
| | - Kuniyuki Kano
- Graduate School of Pharmaceutical Sciences, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.,Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan.,AMED-LEAP, Japan Agency for Medical Research and Development, 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
| | - Ryoji Kise
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Asuka Inoue
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan.,AMED-LEAP, Japan Agency for Medical Research and Development, 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
| | - Shigetomo Fukuhara
- Department of Molecular Pathophysiology, Institute of Advanced Medical Sciences, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113-8602, Japan
| | - Junken Aoki
- Graduate School of Pharmaceutical Sciences, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.,Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3, Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan.,AMED-LEAP, Japan Agency for Medical Research and Development, 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
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21
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Molecular and Cellular Mechanisms of Vascular Development in Zebrafish. Life (Basel) 2021; 11:life11101088. [PMID: 34685459 PMCID: PMC8539546 DOI: 10.3390/life11101088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 12/13/2022] Open
Abstract
The establishment of a functional cardiovascular system is crucial for the development of all vertebrates. Defects in the development of the cardiovascular system lead to cardiovascular diseases, which are among the top 10 causes of death worldwide. However, we are just beginning to understand which signaling pathways guide blood vessel growth in different tissues and organs. The advantages of the model organism zebrafish (Danio rerio) helped to identify novel cellular and molecular mechanisms of vascular growth. In this review we will discuss the current knowledge of vasculogenesis and angiogenesis in the zebrafish embryo. In particular, we describe the molecular mechanisms that contribute to the formation of blood vessels in different vascular beds within the embryo.
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22
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Watterston C, Halabi R, McFarlane S, Childs SJ. Endothelial Semaphorin 3fb regulates Vegf pathway-mediated angiogenic sprouting. PLoS Genet 2021; 17:e1009769. [PMID: 34424892 PMCID: PMC8412281 DOI: 10.1371/journal.pgen.1009769] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 09/02/2021] [Accepted: 08/10/2021] [Indexed: 12/12/2022] Open
Abstract
Vessel growth integrates diverse extrinsic signals with intrinsic signaling cascades to coordinate cell migration and sprouting morphogenesis. The pro-angiogenic effects of Vascular Endothelial Growth Factor (VEGF) are carefully controlled during sprouting to generate an efficiently patterned vascular network. We identify crosstalk between VEGF signaling and that of the secreted ligand Semaphorin 3fb (Sema3fb), one of two zebrafish paralogs of mammalian Sema3F. The sema3fb gene is expressed by endothelial cells in actively sprouting vessels. Loss of sema3fb results in abnormally wide and stunted intersegmental vessel artery sprouts. Although the sprouts initiate at the correct developmental time, they have a reduced migration speed. These sprouts have persistent filopodia and abnormally spaced nuclei suggesting dysregulated control of actin assembly. sema3fb mutants show simultaneously higher expression of pro-angiogenic (VEGF receptor 2 (vegfr2) and delta-like 4 (dll4)) and anti-angiogenic (soluble VEGF receptor 1 (svegfr1)/ soluble Fms Related Receptor Tyrosine Kinase 1 (sflt1)) pathway components. We show increased phospho-ERK staining in migrating angioblasts, consistent with enhanced Vegf activity. Reducing Vegfr2 kinase activity in sema3fb mutants rescues angiogenic sprouting. Our data suggest that Sema3fb plays a critical role in promoting endothelial sprouting through modulating the VEGF signaling pathway, acting as an autocrine cue that modulates intrinsic growth factor signaling.
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Affiliation(s)
- Charlene Watterston
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
| | - Rami Halabi
- Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
| | - Sarah McFarlane
- Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
- Department of Cell Biology and Anatomy, University of Calgary, Calgary, Canada
| | - Sarah J. Childs
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Canada
- Alberta Children’s Hospital Research Institute, University of Calgary, Calgary, Canada
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23
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Kugler E, Snodgrass R, Bowley G, Plant K, Serbanovic-Canic J, Hamilton N, Evans PC, Chico T, Armitage P. The effect of absent blood flow on the zebrafish cerebral and trunk vasculature. VASCULAR BIOLOGY (BRISTOL, ENGLAND) 2021; 3:1-16. [PMID: 34522840 PMCID: PMC8428019 DOI: 10.1530/vb-21-0009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/29/2021] [Indexed: 12/18/2022]
Abstract
The role of blood flow in vascular development is complex and context-dependent. In this study, we quantify the effect of the lack of blood flow on embryonic vascular development on two vascular beds, namely the cerebral and trunk vasculature in zebrafish. We perform this by analysing vascular topology, endothelial cell (EC) number, EC distribution, apoptosis, and inflammatory response in animals with normal blood flow or absent blood flow. We find that absent blood flow reduced vascular area and EC number significantly in both examined vascular beds, but the effect is more severe in the cerebral vasculature, and severity increases over time. Absent blood flow leads to an increase in non-EC-specific apoptosis without increasing tissue inflammation, as quantified by cerebral immune cell numbers and nitric oxide. Similarly, while stereotypic vascular patterning in the trunk is maintained, intra-cerebral vessels show altered patterning, which is likely to be due to vessels failing to initiate effective fusion and anastomosis rather than sprouting or path-seeking. In conclusion, blood flow is essential for cellular survival in both the trunk and cerebral vasculature, but particularly intra-cerebral vessels are affected by the lack of blood flow, suggesting that responses to blood flow differ between these two vascular beds.
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Affiliation(s)
- Elisabeth Kugler
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
- Insigneo Institute for in silico Medicine, Sheffield, UK
- Institute of Ophthalmology, Faculty of Brain Sciences, University College London, London, UK
| | - Ryan Snodgrass
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
| | - George Bowley
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
| | - Karen Plant
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
| | - Noémie Hamilton
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
| | - Paul C Evans
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
- Insigneo Institute for in silico Medicine, Sheffield, UK
| | - Timothy Chico
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, UK
| | - Paul Armitage
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Medical School, Sheffield, UK
- Insigneo Institute for in silico Medicine, Sheffield, UK
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24
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Phng LK, Belting HG. Endothelial cell mechanics and blood flow forces in vascular morphogenesis. Semin Cell Dev Biol 2021; 120:32-43. [PMID: 34154883 DOI: 10.1016/j.semcdb.2021.06.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 06/10/2021] [Accepted: 06/10/2021] [Indexed: 12/21/2022]
Abstract
The vertebrate cardiovascular system is made up by a hierarchically structured network of highly specialised blood vessels. This network emerges during early embryogenesis and evolves in size and complexity concomitant with embryonic growth and organ formation. Underlying this plasticity are actin-driven endothelial cell behaviours, which allow endothelial cells to change their shape and move within the vascular network. In this review, we discuss the cellular and molecular mechanisms involved in vascular network formation and how these intrinsic mechanisms are influenced by haemodynamic forces provided by pressurized blood flow. While most of this review focusses on in vivo evidence from zebrafish embryos, we also mention complementary findings obtained in other experimental systems.
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Affiliation(s)
- Li-Kun Phng
- Laboratory for Vascular Morphogenesis, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan.
| | - Heinz-Georg Belting
- Department of Cell Biology, Biozentrum, University of Basel, Basel 4056, Switzerland.
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25
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Du Cheyne C, Smeets M, De Spiegelaere W. Techniques used to assess intussusceptive angiogenesis: A systematic review. Dev Dyn 2021; 250:1704-1716. [PMID: 34101289 DOI: 10.1002/dvdy.382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 04/25/2021] [Accepted: 06/03/2021] [Indexed: 12/18/2022] Open
Abstract
Intussusceptive angiogenesis (IA) is an important physiological form of angiogenesis in which an existing vessel splits in two by the formation of an intraluminal tissue pillar. The presence of these intraluminal pillars form the hallmark of ongoing IA in growing vascular beds. However, their visualization is technically challenging. The goal of this systematic review was to investigate which techniques are being used to identify intraluminal pillars and to formulate important points to keep in mind when studying IA. A systematic literature search resulted in 154 evaluated articles of which the majority (65%) provided sufficient data to unambiguously demonstrate the presence of intraluminal pillars. Scanning electron microscopy imaging of vascular corrosion casts and serial sectioning of ultrathin sections are the most used techniques. New methods such as serial block face scanning electron microscopy and micro computed tomography (μCT) are gaining importance. Moreover, our results indicate that IA was studied in a variety of animals and tissues. IA is a biologically very relevant form of angiogenesis. Techniques to visualize intraluminal pillars need to have a minimal resolution of 1 μm and should provide information on the 3D-nature of the pillars. Optimally, several techniques are combined to demonstrate ongoing IA.
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Affiliation(s)
- Charis Du Cheyne
- Department of Morphology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Marloes Smeets
- Department of Morphology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Ward De Spiegelaere
- Department of Morphology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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26
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Li W, Tran V, Shaked I, Xue B, Moore T, Lightle R, Kleinfeld D, Awad IA, Ginsberg MH. Abortive intussusceptive angiogenesis causes multi-cavernous vascular malformations. eLife 2021; 10:62155. [PMID: 34013885 PMCID: PMC8175082 DOI: 10.7554/elife.62155] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 05/19/2021] [Indexed: 12/17/2022] Open
Abstract
Mosaic inactivation of CCM2 in humans causes cerebral cavernous malformations (CCMs) containing adjacent dilated blood-filled multi-cavernous lesions. We used CRISPR-Cas9 mutagenesis to induce mosaic inactivation of zebrafish ccm2 resulting in a novel lethal multi-cavernous lesion in the embryonic caudal venous plexus (CVP) caused by obstruction of blood flow by intraluminal pillars. These pillars mimic those that mediate intussusceptive angiogenesis; however, in contrast to the normal process, the pillars failed to fuse to split the pre-existing vessel in two. Abortive intussusceptive angiogenesis stemmed from mosaic inactivation of ccm2 leading to patchy klf2a overexpression and resultant aberrant flow signaling. Surviving adult fish manifested histologically typical hemorrhagic CCM. Formation of mammalian CCM requires the flow-regulated transcription factor KLF2; fish CCM and the embryonic CVP lesion failed to form in klf2a null fish indicating a common pathogenesis with the mammalian lesion. These studies describe a zebrafish CCM model and establish a mechanism that can explain the formation of characteristic multi-cavernous lesions.
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Affiliation(s)
- Wenqing Li
- Department of Medicine, University of California, San Diego, La Jolla, United States
| | - Virginia Tran
- Department of Medicine, University of California, San Diego, La Jolla, United States
| | - Iftach Shaked
- Department of Physics, University of California, San Diego, La Jolla, United States
| | - Belinda Xue
- Department of Medicine, University of California, San Diego, La Jolla, United States
| | - Thomas Moore
- Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, University of Chicago School of Medicine and Biological Sciences, Chicago, United States
| | - Rhonda Lightle
- Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, University of Chicago School of Medicine and Biological Sciences, Chicago, United States
| | - David Kleinfeld
- Department of Physics, University of California, San Diego, La Jolla, United States.,Section of Neurobiology, University of California San Diego, La Jolla, United States
| | - Issam A Awad
- Neurovascular Surgery Program, Section of Neurosurgery, Department of Surgery, University of Chicago School of Medicine and Biological Sciences, Chicago, United States
| | - Mark H Ginsberg
- Department of Medicine, University of California, San Diego, La Jolla, United States
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27
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Alternative Vascularization Mechanisms in Tumor Resistance to Therapy. Cancers (Basel) 2021; 13:cancers13081912. [PMID: 33921099 PMCID: PMC8071410 DOI: 10.3390/cancers13081912] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Tumors rely on blood vessels to grow and metastasize. Malignant tumors can employ different strategies to create a functional vascular network. Tumor cells can use normal processes of vessel formation but can also employ cancer-specific mechanisms, by co-opting normal vessels present in tissues or by turning themselves into vascular cells. These different types of tumor vessels have specific molecular and functional characteristics that profoundly affect tumor behavior and response to therapies, including drugs targeting the tumor vasculature (antiangiogenic therapies). In this review, we discuss how vessels formed by different mechanisms affect the intrinsic sensitivity of tumors to therapy and, on the other hand, how therapies can affect tumor vessel formation, leading to resistance to drugs, cancer recurrence, and treatment failure. Potential strategies to avoid vessel-mediated resistance to antineoplastic therapies will be discussed. Abstract Blood vessels in tumors are formed through a variety of different mechanisms, each generating vessels with peculiar structural, molecular, and functional properties. This heterogeneity has a major impact on tumor response or resistance to antineoplastic therapies and is now emerging as a promising target for strategies to prevent drug resistance and improve the distribution and efficacy of antineoplastic treatments. This review presents evidence of how different mechanisms of tumor vessel formation (vasculogenesis, glomeruloid proliferation, intussusceptive angiogenesis, vasculogenic mimicry, and vessel co-option) affect tumor responses to antiangiogenic and antineoplastic therapies, but also how therapies can promote alternative mechanisms of vessel formation, contributing to tumor recurrence, malignant progression, and acquired drug resistance. We discuss the possibility of tailoring treatment strategies to overcome vasculature-mediated drug resistance or to improve drug distribution and efficacy.
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28
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Haas G, Fan S, Ghadimi M, De Oliveira T, Conradi LC. Different Forms of Tumor Vascularization and Their Clinical Implications Focusing on Vessel Co-option in Colorectal Cancer Liver Metastases. Front Cell Dev Biol 2021; 9:612774. [PMID: 33912554 PMCID: PMC8072376 DOI: 10.3389/fcell.2021.612774] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/15/2021] [Indexed: 12/11/2022] Open
Abstract
In modern anti-cancer therapy of metastatic colorectal cancer (mCRC) the anti-angiogenic treatment targeting sprouting angiogenesis is firmly established for more than a decade. However, its clinical benefits still remain limited. As liver metastases (LM) represent the most common metastatic site of colorectal cancer and affect approximately one-quarter of the patients diagnosed with this malignancy, its treatment is an essential aspect for patients' prognosis. Especially in the perioperative setting, the application of anti-angiogenic drugs represents a therapeutic option that may be used in case of high-risk or borderline resectable colorectal cancer liver metastases (CRCLM) in order to achieve secondary resectability. Regarding CRCLM, one reason for the limitations of anti-angiogenic treatment may be represented by vessel co-option (VCO), which is an alternative mechanism of blood supply that differs fundamentally from the well-known sprouting angiogenesis and occurs in a significant fraction of CRCLM. In this scenario, tumor cells hijack pre-existing mature vessels of the host organ independently from stimulating new vessels formation. This represents an escape mechanism from common anti-angiogenic anti-cancer treatments, as they primarily target the main trigger of sprouting angiogenesis, the vascular endothelial growth factor A. Moreover, the mechanism of blood supply in CRCLM can be deduced from their phenotypic histopathological growth pattern (HGP). For that, a specific guideline has already been implemented. These HGP vary not only regarding their blood supply, but also concerning their tumor microenvironment (TME), as notable differences in immune cell infiltration and desmoplastic reaction surrounding the CRCLM can be observed. The latter actually serves as one of the central criteria for the classification of the HGP. Regarding the clinically relevant effects of the HGP, it is still a topic of research whether the VCO-subgroup of CRCLM results in an impaired treatment response to anti-angiogenic treatment when compared to an angiogenic subgroup. However, it is well-proved, that VCO in CRCLM generally relates to an inferior survival compared to the angiogenic subgroup. Altogether the different types of blood supply result in a relevant influence on the patients' prognosis. This reinforces the need of an extended understanding of the underlying mechanisms of VCO in CRCLM with the aim to generate more comprehensive approaches which can target tumor vessels alternatively or even other components of the TME. This review aims to augment the current state of knowledge on VCO in CRCLM and other tumor entities and its impact on anti-angiogenic anti-cancer therapy.
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Affiliation(s)
- Gwendolyn Haas
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Shuang Fan
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Michael Ghadimi
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Tiago De Oliveira
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Lena-Christin Conradi
- Department of General, Visceral and Pediatric Surgery, University Medical Center Göttingen, Göttingen, Germany
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29
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Shah AA, Kamal MA, Akhtar S. Tumor Angiogenesis and VEGFR-2: Mechanism, Pathways and Current Biological Therapeutic Interventions. Curr Drug Metab 2021; 22:50-59. [PMID: 33076807 DOI: 10.2174/1389200221666201019143252] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 06/09/2020] [Accepted: 08/04/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Angiogenesis, involving the formation of new blood vessels from preexisting vessels, caters an important biological phenomenon for the growth and development of bodily structures in the human body. Regulation of angiogenesis in non-pathological conditions takes place through a well-defined balanced angiogenic-switch, which upon exposure to various pathological conditions may get altered. This makes the cells change their normal behavior resulting in uncontrolled division and angiogenesis. METHODS The current review tries to present a brief framework of angiogenesis and tumor progression phenomenon along with the latest therapeutic interventions against VEGFR-2 and its future directions. RESULTS The tumor angiogenic pathways functioning in diverse mechanisms via sprouting angiogenesis, intussusceptive angiogenesis, vascular co-option, vascular mimicry, and glomeruloid angiogenesis are normally activated by varied angiogenic stimulators and their receptors are interrelated to give rise to specialized signaling pathways. Amongst these receptors, VEGFR-2 is found as one of the key, critical mediators in tumor angiogenesis and is seen as a major therapeutic target for combating angiogenesis. Though a number of anti-angiogenic drugs like Ramucirumab, Sunitinib, Axitinib, Sorafenib, etc. showing good survival rates have been developed and approved by FDA against VEGFR-2, but these have also been found to be associated with serious health effects and adverse reactions. CONCLUSION An improved or alternative treatment is needed shortly that has a higher survival rate with the least side effects. Innovative strategies, including personalized medicine, nano-medicine, and cancer immunotherapy have also been outlined as an alternative treatment with a discussion on advancements and improvements required for their implementation methods.
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Affiliation(s)
- Altaf A Shah
- Department of Biosciences, Integral University, Lucknow-226026, UP, India
| | - Mohammad A Kamal
- Novel Global Community Educational Foundation, Peterlee Place, Hebersham, NSW 2770, Australia
| | - Salman Akhtar
- Novel Global Community Educational Foundation, Peterlee Place, Hebersham, NSW 2770, Australia
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30
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Terasaki M, Brunson JC, Sardi J. Analysis of the three dimensional structure of the kidney glomerulus capillary network. Sci Rep 2020; 10:20334. [PMID: 33230129 PMCID: PMC7683536 DOI: 10.1038/s41598-020-77211-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 11/05/2020] [Indexed: 12/30/2022] Open
Abstract
The capillary network of the kidney glomerulus filters small molecules from the blood. The glomerular 3D structure should help to understand its function, but it is poorly characterized. We therefore devised a new approach in which an automated tape collecting microtome (ATUM) was used to collect 0.5 μm thick serial sections from fixed mouse kidneys. The sections were imaged by scanning electron microscopy at ~ 50 nm/pixel resolution. With this approach, 12 glomeruli were reconstructed at an x–y–z resolution ~ 10 × higher than that of paraffin sections. We found a previously undescribed no-cross zone between afferent and efferent branches on the vascular pole side; connections here would allow blood to exit without being adequately filtered. The capillary diameters throughout the glomerulus appeared to correspond with the amount of blood flow within them. The shortest path (minimum number of branches to travel from afferent to efferent arterioles) is relatively independent of glomerular size and is present primarily on the vascular pole size. This suggests that new branches and longer paths form on the urinary pole side. Network analysis indicates that the glomerular network does not form by repetitive longitudinal splitting of capillaries. Thus the 3D structure of the glomerular capillary network provides useful information with which to understand glomerular function. Other tissue structures in the body may benefit from this new three dimensional approach.
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Affiliation(s)
- Mark Terasaki
- Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, 06030, USA.
| | - Jason Cory Brunson
- Laboratory for Systems Medicine, University of Florida Health, Gainesville, FL, 32610, USA
| | - Justin Sardi
- Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, 06030, USA
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31
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Intussusceptive Angiogenesis and Peg-Socket Junctions between Endothelial Cells and Smooth Muscle Cells in Early Arterial Intimal Thickening. Int J Mol Sci 2020; 21:ijms21218049. [PMID: 33126763 PMCID: PMC7663623 DOI: 10.3390/ijms21218049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/19/2020] [Accepted: 10/26/2020] [Indexed: 12/23/2022] Open
Abstract
Angiogenesis in arterial intimal thickening (AIT) has been considered mainly in late AIT stages and only refers to sprouting angiogenesis. We assess angiogenesis during early AIT development and the occurrence of the intussusceptive type. For this purpose, we studied AIT development in (a) human arteries with vasculitis in gallbladders with acute cholecystitis and urgent (n = 25) or delayed (n = 20) cholecystectomy, using immunohistochemical techniques and (b) experimentally occluded arterial segments (n = 56), using semithin and ultrathin sections and electron microscopy. The results showed transitory angiogenic phenomena, with formation of an important microvasculature, followed by vessel regression. In addition to the sequential description of angiogenic and regressive findings, we mainly contribute (a) formation of intravascular pillars (hallmarks of intussusception) during angiogenesis and vessel regression and (b) morphological interrelation between endothelial cells (ECs) in the arterial wall and vascular smooth muscle cells (VSMCs), which adopt a pericytic arrangement and establish peg-and-socket junctions with ECs. In conclusion, angiogenesis and vessel regression play an important role in AIT development in the conditions studied, with participation of intussusceptive angiogenesis during the formation and regression of a provisional microvasculature and with morphologic interrelation between ECs and VSMCs.
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32
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Santamaría R, González-Álvarez M, Delgado R, Esteban S, Arroyo AG. Remodeling of the Microvasculature: May the Blood Flow Be With You. Front Physiol 2020; 11:586852. [PMID: 33178049 PMCID: PMC7593767 DOI: 10.3389/fphys.2020.586852] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/09/2020] [Indexed: 12/12/2022] Open
Abstract
The vasculature ensures optimal delivery of nutrients and oxygen throughout the body, and to achieve this function it must continually adapt to varying tissue demands. Newly formed vascular plexuses during development are immature and require dynamic remodeling to generate well-patterned functional networks. This is achieved by remodeling of the capillaries preserving those which are functional and eliminating other ones. A balanced and dynamically regulated capillary remodeling will therefore ensure optimal distribution of blood and nutrients to the tissues. This is particularly important in pathological contexts in which deficient or excessive vascular remodeling may worsen tissue perfusion and hamper tissue repair. Blood flow is a major determinant of microvascular reshaping since capillaries are pruned when relatively less perfused and they split when exposed to high flow in order to shape the microvascular network for optimal tissue perfusion and oxygenation. The molecular machinery underlying blood flow sensing by endothelial cells is being deciphered, but much less is known about how this translates into endothelial cell responses as alignment, polarization and directed migration to drive capillary remodeling, particularly in vivo. Part of this knowledge is theoretical from computational models since blood flow hemodynamics are not easily recapitulated by in vitro or ex vivo approaches. Moreover, these events are difficult to visualize in vivo due to their infrequency and briefness. Studies had been limited to postnatal mouse retina and vascular beds in zebrafish but new tools as advanced microscopy and image analysis are strengthening our understanding of capillary remodeling. In this review we introduce the concept of remodeling of the microvasculature and its relevance in physiology and pathology. We summarize the current knowledge on the mechanisms contributing to capillary regression and to capillary splitting highlighting the key role of blood flow to orchestrate these processes. Finally, we comment the potential and possibilities that microfluidics offers to this field. Since capillary remodeling mechanisms are often reactivated in prevalent pathologies as cancer and cardiovascular disease, all this knowledge could be eventually used to improve the functionality of capillary networks in diseased tissues and promote their repair.
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Affiliation(s)
- Ricardo Santamaría
- Department of Vascular Pathophysiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - María González-Álvarez
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
| | - Raquel Delgado
- Department of Vascular Pathophysiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Sergio Esteban
- Department of Vascular Pathophysiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Alicia G. Arroyo
- Department of Vascular Pathophysiology, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), Madrid, Spain
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33
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Wisniewski L, French V, Lockwood N, Valdivia LE, Frankel P. P130Cas/bcar1 mediates zebrafish caudal vein plexus angiogenesis. Sci Rep 2020; 10:15589. [PMID: 32973180 PMCID: PMC7518251 DOI: 10.1038/s41598-020-71753-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 07/29/2020] [Indexed: 02/07/2023] Open
Abstract
P130CAS/BCAR1 belongs to the CAS family of adaptor proteins, with important regulatory roles in cell migration, cell cycle control, and apoptosis. Previously, we and others showed that P130CAS mediates VEGF-A and PDGF signalling in vitro, but its cardiovascular function in vivo remains relatively unexplored. We characterise here a novel deletion model of P130CAS in zebrafish. Using in vivo microscopy and transgenic vascular reporters, we observed that while bcar1−/− zebrafish showed no arterial angiogenic or heart defects during development, they strikingly failed to form the caudal vein plexus (CVP). Endothelial cells (ECs) within the CVP of bcar1−/− embryos produced fewer filopodial structures and did not detach efficiently from neighbouring cells, resulting in a significant reduction in ventral extension and overall CVP area. Mechanistically, we show that P130Cas mediates Bmp2b-induced ectopic angiogenic sprouting of ECs in the developing embryo and provide pharmacological evidence for a role of Src family kinases in CVP development.
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Affiliation(s)
- Laura Wisniewski
- Division of Medicine, University College London, 5 University Street, London, WC1E 6JF, UK. .,Queen Mary University of London, London, EC1M 6BQ, UK.
| | - Vanessa French
- Institute of Cardiovascular Science, University College London, 5 University Street, London, WC1E 6JF, UK
| | - Nicola Lockwood
- Division of Medicine, University College London, 5 University Street, London, WC1E 6JF, UK.,The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Leonardo E Valdivia
- Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Santiago, Chile
| | - Paul Frankel
- Institute of Cardiovascular Science, University College London, 5 University Street, London, WC1E 6JF, UK.
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34
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Daems M, Peacock HM, Jones EAV. Fluid flow as a driver of embryonic morphogenesis. Development 2020; 147:147/15/dev185579. [PMID: 32769200 DOI: 10.1242/dev.185579] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Fluid flow is a powerful morphogenic force during embryonic development. The physical forces created by flowing fluids can either create morphogen gradients or be translated by mechanosensitive cells into biological changes in gene expression. In this Primer, we describe how fluid flow is created in different systems and highlight the important mechanosensitive signalling pathways involved for sensing and transducing flow during embryogenesis. Specifically, we describe how fluid flow helps establish left-right asymmetry in the early embryo and discuss the role of flow of blood, lymph and cerebrospinal fluid in sculpting the embryonic cardiovascular and nervous system.
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Affiliation(s)
- Margo Daems
- Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology, KU Leuven, 3000 Leuven, Belgium
| | - Hanna M Peacock
- Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology, KU Leuven, 3000 Leuven, Belgium
| | - Elizabeth A V Jones
- Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology, KU Leuven, 3000 Leuven, Belgium
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35
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Okuda KS, Hogan BM. Endothelial Cell Dynamics in Vascular Development: Insights From Live-Imaging in Zebrafish. Front Physiol 2020; 11:842. [PMID: 32792978 PMCID: PMC7387577 DOI: 10.3389/fphys.2020.00842] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/23/2020] [Indexed: 01/16/2023] Open
Abstract
The formation of the vertebrate vasculature involves the acquisition of endothelial cell identities, sprouting, migration, remodeling and maturation of functional vessel networks. To understand the cellular and molecular processes that drive vascular development, live-imaging of dynamic cellular events in the zebrafish embryo have proven highly informative. This review focusses on recent advances, new tools and new insights from imaging studies in vascular cell biology using zebrafish as a model system.
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Affiliation(s)
- Kazuhide S Okuda
- Organogenesis and Cancer Program, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC, Australia
| | - Benjamin M Hogan
- Organogenesis and Cancer Program, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC, Australia.,Department of Anatomy and Neuroscience, University of Melbourne, Melbourne, VIC, Australia
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36
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Griffin RJ, Ahmed MM, Amendola B, Belyakov O, Bentzen SM, Butterworth KT, Chang S, Coleman CN, Djonov V, Formenti SC, Glatstein E, Guha C, Kalnicki S, Le QT, Loo BW, Mahadevan A, Massaccesi M, Maxim PG, Mohiuddin M, Mohiuddin M, Mayr NA, Obcemea C, Petersson K, Regine W, Roach M, Romanelli P, Simone CB, Snider JW, Spitz DR, Vikram B, Vozenin MC, Abdel-Wahab M, Welsh J, Wu X, Limoli CL. Understanding High-Dose, Ultra-High Dose Rate, and Spatially Fractionated Radiation Therapy. Int J Radiat Oncol Biol Phys 2020; 107:766-778. [PMID: 32298811 DOI: 10.1016/j.ijrobp.2020.03.028] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/13/2020] [Accepted: 03/16/2020] [Indexed: 12/12/2022]
Abstract
The National Cancer Institute's Radiation Research Program, in collaboration with the Radiosurgery Society, hosted a workshop called Understanding High-Dose, Ultra-High Dose Rate and Spatially Fractionated Radiotherapy on August 20 and 21, 2018 to bring together experts in experimental and clinical experience in these and related fields. Critically, the overall aims were to understand the biological underpinning of these emerging techniques and the technical/physical parameters that must be further defined to drive clinical practice through innovative biologically based clinical trials.
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Affiliation(s)
- Robert J Griffin
- Department of Radiation Oncology, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Mansoor M Ahmed
- Division of Cancer Treatment and Diagnosis, Rockville, Maryland
| | | | - Oleg Belyakov
- International Atomic Energy Agency, Vienna International Centre, Vienna, Austria
| | - Søren M Bentzen
- Division of Biostatistics and Bioinformatics, University of Maryland, Baltimore, Maryland
| | - Karl T Butterworth
- Centre for Cancer Research and Cell Biology, Queens University Belfast, Belfast, United Kingdom
| | - Sha Chang
- Department of Radiation Oncology, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | | | - Valentin Djonov
- Bern Institute of Anatomy, University of Bern, Bern, Switzerland
| | - Sylvia C Formenti
- Department of Radiation Oncology, Weill Cornell Medicine, New York, New York
| | - Eli Glatstein
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Chandan Guha
- Department of Radiation Oncology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Shalom Kalnicki
- Department of Radiation Oncology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Quynh-Thu Le
- Department of Radiation Oncology, Stanford University Medical Center, Stanford, California
| | - Billy W Loo
- Department of Radiation Oncology, Stanford University Medical Center, Stanford, California
| | - Anand Mahadevan
- Department of Radiation Oncology, Geisinger Health Systems, Danville, Pennsylvania
| | - Mariangela Massaccesi
- Department of Radiation Oncology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Peter G Maxim
- Department of Radiation Oncology, Indiana University School of Medicine, Indianapolis, Indiana
| | | | | | - Nina A Mayr
- Department of Radiation Oncology, University of Washington Medical Center, Seattle, Washington
| | | | - Kristoffer Petersson
- Oxford Institute for Radiation Oncology, University of Oxford, Oxford, United Kingdom
| | - William Regine
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Mack Roach
- Department of Radiation Oncology & Urology, University of California, San Francisco, San Francisco, California
| | | | - Charles B Simone
- Department of Radiation Oncology, New York Proton Center, New York, New York
| | - James W Snider
- Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Douglas R Spitz
- Free Radical & Radiation Biology Program, University of Iowa, Iowa City, Iowa
| | | | - Marie-Catherine Vozenin
- Laboratory of Radiation Oncology/DO/Radio-Oncology/CHUV, Lausanne University Hospital, Switzerland
| | - May Abdel-Wahab
- International Atomic Energy Agency Headquarters, Vienna International Centre, Vienna, Austria
| | - James Welsh
- Edward Hines VA Medical Center and Loyola University Stritch School of Medicine, Chicago, Illinois
| | - Xiaodong Wu
- Executive Medical Physics Associates, Miami, Florida; Shanghai Proton and Heavy Ion Center, Shanghai, China
| | - Charles L Limoli
- Department of Radiation Oncology, University of California-Irvine, Irvine, California.
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37
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Fonseca CG, Barbacena P, Franco CA. Endothelial cells on the move: dynamics in vascular morphogenesis and disease. VASCULAR BIOLOGY 2020; 2:H29-H43. [PMID: 32935077 PMCID: PMC7487603 DOI: 10.1530/vb-20-0007] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 07/02/2020] [Indexed: 12/11/2022]
Abstract
The vascular system is a hierarchically organized network of blood vessels that play crucial roles in embryogenesis, homeostasis and disease. Blood vessels are built by endothelial cells – the cells lining the interior of blood vessels – through a process named vascular morphogenesis. Endothelial cells react to different biomechanical signals in their environment by adjusting their behavior to: (1) invade, proliferate and fuse to form new vessels (angiogenesis); (2) remodel, regress and establish a hierarchy in the network (patterning); and (3) maintain network stability (quiescence). Each step involves the coordination of endothelial cell differentiation, proliferation, polarity, migration, rearrangements and shape changes to ensure network integrity and an efficient barrier between blood and tissues. In this review, we highlighted the relevance and the mechanisms involving endothelial cell migration during different steps of vascular morphogenesis. We further present evidence on how impaired endothelial cell dynamics can contribute to pathology.
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Affiliation(s)
- Catarina G Fonseca
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Pedro Barbacena
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Claudio A Franco
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Histologia e Biologia do Desenvolvimento, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
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Abstract
Purpose of review Pericytes are essential components of capillaries in many tissues and organs, contributing to vessel stability and integrity, with additional contributions to microvascular function still being discovered. We review current and foundational studies identifying pericyte differentiation mechanics and their roles in the earliest stages of vessel formation. Recent findings Recent advances in pericyte-focused tools and models have illuminated critical aspects of pericyte biology including their roles in vascular development.Pericytes likely collaborate with endothelial cells undergoing vasculogenesis, initiating direct interactions during sprouting and intussusceptive angiogenesis. Pericytes also provide important regulation of vascular growth including mechanisms underlying vessel pruning, rarefaction, and subsequent regrowth.
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Affiliation(s)
- Laura Beth Payne
- Center for Heart and Reparative Medicine Research, Fralin Biomedical Research Institute at Virginia Tech-Carilion, Roanoke, VA 24016, USA
| | - Maruf Hoque
- Center for Heart and Reparative Medicine Research, Fralin Biomedical Research Institute at Virginia Tech-Carilion, Roanoke, VA 24016, USA.,Graduate Program in Translational Biology, Medicine and Health, Virginia Tech, Blacksburg, VA 24061, USA
| | - Clifton Houk
- Virginia Tech Carilion School of Medicine, Roanoke, VA, 24016, USA.,Previous Affiliations
| | - Jordan Darden
- Center for Heart and Reparative Medicine Research, Fralin Biomedical Research Institute at Virginia Tech-Carilion, Roanoke, VA 24016, USA.,Graduate Program in Translational Biology, Medicine and Health, Virginia Tech, Blacksburg, VA 24061, USA.,Previous Affiliations
| | - John C Chappell
- Center for Heart and Reparative Medicine Research, Fralin Biomedical Research Institute at Virginia Tech-Carilion, Roanoke, VA 24016, USA.,Virginia Tech Carilion School of Medicine, Roanoke, VA, 24016, USA.,Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA 24061, USA
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Campinho P, Vilfan A, Vermot J. Blood Flow Forces in Shaping the Vascular System: A Focus on Endothelial Cell Behavior. Front Physiol 2020; 11:552. [PMID: 32581842 PMCID: PMC7291788 DOI: 10.3389/fphys.2020.00552] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 04/30/2020] [Indexed: 01/16/2023] Open
Abstract
The endothelium is the cell monolayer that lines the interior of the blood vessels separating the vessel lumen where blood circulates, from the surrounding tissues. During embryonic development, endothelial cells (ECs) must ensure that a tight barrier function is maintained whilst dynamically adapting to the growing vascular tree that is being formed and remodeled. Blood circulation generates mechanical forces, such as shear stress and circumferential stretch that are directly acting on the endothelium. ECs actively respond to flow-derived mechanical cues by becoming polarized, migrating and changing neighbors, undergoing shape changes, proliferating or even leaving the tissue and changing identity. It is now accepted that coordinated changes at the single cell level drive fundamental processes governing vascular network morphogenesis such as angiogenic sprouting, network pruning, lumen formation, regulation of vessel caliber and stability or cell fate transitions. Here we summarize the cell biology and mechanics of ECs in response to flow-derived forces, discuss the latest advances made at the single cell level with particular emphasis on in vivo studies and highlight potential implications for vascular pathologies.
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Affiliation(s)
- Pedro Campinho
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U964, Illkirch, France
- Department of Development and Stem Cells, Université de Strasbourg, Illkirch, France
| | - Andrej Vilfan
- Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany
- Department of Condensed Matter Physics, J. Stefan Institute, Ljubljana, Slovenia
| | - Julien Vermot
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France
- Centre National de la Recherche Scientifique, UMR 7104, Illkirch, France
- Institut National de la Santé et de la Recherche Médicale, U964, Illkirch, France
- Department of Development and Stem Cells, Université de Strasbourg, Illkirch, France
- Department of Bioengineering, Imperial College London, London, United Kingdom
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40
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Díaz-Flores L, Gutiérrez R, Gayoso S, García MP, González-Gómez M, Díaz-Flores L, Sánchez R, Carrasco JL, Madrid JF. Intussusceptive angiogenesis and its counterpart intussusceptive lymphangiogenesis. Histol Histopathol 2020; 35:1083-1103. [PMID: 32329808 DOI: 10.14670/hh-18-222] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Intussusceptive angiogenesis (IA) is currently considered an important alternative and complementary form of sprouting angiogenesis (SA). Conversely, intussusceptive lymphangiogenesis (IL) is in an initial phase of study. We compare their morphofunctional characteristics, since many can be shared by both processes. To that end, the following aspects are considered: A) The concept of IA and IL as the mechanism by which blood and lymphatic vessels split, expand and remodel through transluminal pillar formations (hallmarks of intussusception). B) Terminology and historical background, with particular reference to the group of Burri, including Djonov and Patan, who initiated and developed the vessel intussusceptive concept in blood vessels. C) Incidence in normal (e.g. in the sinuses of developing lymph nodes) and pathologic conditions, above all in vessel diseases, such as dilated veins in hemorrhoidal disease, intravascular papillary endothelial hyperplasia (IPEH), sinusoidal hemangioma, lobular capillary hemangioma, lymphangiomas/lymphatic malformations and vascular transformation of lymph nodes. D) Differences and complementarity between vessel sprouting and intussusception. E) Characteristics of the cover (endothelial cells) and core (connective tissue components) of pillars and requirements for pillar identification. F) Structures involved in pillar formation, including endothelial contacts of opposite vessel walls, interendothelial bridges, merged adjacent capillaries, vessel loops and spilt pillars. G) Structures resulting from pillars with intussusceptive microvascular growth, arborization, remodeling and segmentation (compartmentalization). H) Influence of intussusception in the morphogenesis of vessel tumors/ pseudotumors; and I) Hemodynamic and molecular control of vessel intussusception, including VEGF, PDGF BB, Hypoxia, Notch, Endoglobin and Nitric oxide.
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Affiliation(s)
- L Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain.
| | - R Gutiérrez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - S Gayoso
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - M P García
- Department of Pathology, Eurofins® Megalab-Hospiten Hospitals, Tenerife, Spain
| | - M González-Gómez
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - L Díaz-Flores
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - R Sánchez
- Department of Internal Medicine, Dermatology and Psychiatry, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - J L Carrasco
- Department of Basic Medical Sciences, Faculty of Medicine, University of La Laguna, Tenerife, Spain
| | - J F Madrid
- Department of Cell Biology and Histology, School of Medicine, Campus of International Excellence "Campus Mare Nostrum", IMIB-Arrixaca, University of Murcia, Murcia, Spain
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41
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Saravanan S, Vimalraj S, Pavani K, Nikarika R, Sumantran VN. Intussusceptive angiogenesis as a key therapeutic target for cancer therapy. Life Sci 2020; 252:117670. [PMID: 32298741 DOI: 10.1016/j.lfs.2020.117670] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/08/2020] [Accepted: 04/10/2020] [Indexed: 12/20/2022]
Abstract
Deregulation of angiogenesis is a key reason for tumor growth and progression. Several anti-angiogenic drugs in clinical practice attempt to normalize abnormal tumor vasculature. Unfortunately, these drugs are ineffective due to the development of resistance in patients after drug holidays. A sizable literature suggests that resistance to these anti-angiogenic drugs occurs due to various compensatory mechanisms of tumor angiogenesis. Therefore, we describe different compensatory mechanisms of tumor angiogenesis, and explain why intussusceptive angiogenesis (IA), is a crucial mechanism of compensatory angiogenesis in tumors which resist anti-VEGF (vascular endothelial growth factor) therapies. IA is often overlooked due to the scarcity of experimental models. Therefore, we examine data from existing experimental models and our novel ex-ovo model of angiogenesis in chick embryos, and explain the important genes and signaling pathways driving IA. Using bio-informatic analyses of major genes regulating conventional sprouting angiogenesis (SA) and intussusceptive angiogenesis, we provide fresh insights on the 'angiogenic switch' which regulates the transition from SA to IA. Finally, we examine the interplay between molecules regulating SA, IA, and molecules known to promote tumor progression. Based on these analyses, we conclude that intussusceptive angiogenesis (IA) is a promising therapeutic target for developing effective anti-cancer treatment regimes.
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Affiliation(s)
- Sekaran Saravanan
- Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), Department of Bioengineering, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613 401, Tamil Nadu, India
| | - Selvaraj Vimalraj
- Centre for Biotechnology, Anna University, Chennai 600 025, Tamil Nadu, India.
| | - Koka Pavani
- Centre for Biotechnology, Anna University, Chennai 600 025, Tamil Nadu, India
| | - Ramesh Nikarika
- Centre for Biotechnology, Anna University, Chennai 600 025, Tamil Nadu, India
| | - Venil N Sumantran
- Abdul Kalam Center for Innovation and Entrepreneurship, Dr. MGR Educational & Research Institute, Maduravoyal, Chennai 600095, India
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42
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Peacock HM, Tabibian A, Criem N, Caolo V, Hamard L, Deryckere A, Haefliger JA, Kwak BR, Zwijsen A, Jones EAV. Impaired SMAD1/5 Mechanotransduction and Cx37 (Connexin37) Expression Enable Pathological Vessel Enlargement and Shunting. Arterioscler Thromb Vasc Biol 2020; 40:e87-e104. [PMID: 32078368 DOI: 10.1161/atvbaha.119.313122] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Impaired ALK1 (activin receptor-like kinase-1)/Endoglin/BMP9 (bone morphogenetic protein 9) signaling predisposes to arteriovenous malformations (AVMs). Activation of SMAD1/5 signaling can be enhanced by shear stress. In the genetic disease hereditary hemorrhagic telangiectasia, which is characterized by arteriovenous malformations, the affected receptors are those involved in the activation of mechanosensitive SMAD1/5 signaling. To elucidate how genetic and mechanical signals interact in AVM development, we sought to identify targets differentially regulated by BMP9 and shear stress. Approach and Results: We identify Cx37 (Connexin37) as a differentially regulated target of ligand-induced and mechanotransduced SMAD1/5 signaling. We show that stimulation of endothelial cells with BMP9 upregulated Cx37, whereas shear stress inhibited this expression. This signaling was SMAD1/5-dependent, and in the absence of SMAD1/5, there was an inversion of the expression pattern. Ablated SMAD1/5 signaling alone caused AVM-like vascular malformations directly connecting the dorsal aorta to the inlet of the heart. In yolk sacs of mouse embryos with an endothelial-specific compound heterozygosity for SMAD1/5, addition of TNFα (tumor necrosis factor-α), which downregulates Cx37, induced development of these direct connections bypassing the yolk sac capillary bed. In wild-type embryos undergoing vascular remodeling, Cx37 was globally expressed by endothelial cells but was absent in regions of enlarging vessels. TNFα and endothelial-specific compound heterozygosity for SMAD1/5 caused ectopic regions lacking Cx37 expression, which correlated to areas of vascular malformations. Mechanistically, loss of Cx37 impairs correct directional migration under flow conditions. CONCLUSIONS Our data demonstrate that Cx37 expression is differentially regulated by shear stress and SMAD1/5 signaling, and that reduced Cx37 expression is permissive for capillary enlargement into shunts.
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Affiliation(s)
- Hanna M Peacock
- From the Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology (H.M.P., A.T., N.C., A.Z., E.A.V.J.), KU Leuven, Belgium
| | - Ashkan Tabibian
- From the Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology (H.M.P., A.T., N.C., A.Z., E.A.V.J.), KU Leuven, Belgium
| | - Nathan Criem
- From the Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology (H.M.P., A.T., N.C., A.Z., E.A.V.J.), KU Leuven, Belgium
| | - Vincenza Caolo
- Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, United Kingdom (V.C.)
| | - Lauriane Hamard
- Department of Medicine, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Switzerland (L.H., J.-A.H.)
| | | | - Jacques-Antoine Haefliger
- Department of Medicine, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Switzerland (L.H., J.-A.H.)
| | - Brenda R Kwak
- Department of Pathology and Immunology, University of Geneva, Switzerland (B.R.K.)
| | - An Zwijsen
- From the Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology (H.M.P., A.T., N.C., A.Z., E.A.V.J.), KU Leuven, Belgium
| | - Elizabeth A V Jones
- From the Department of Cardiovascular Sciences, Centre for Molecular and Vascular Biology (H.M.P., A.T., N.C., A.Z., E.A.V.J.), KU Leuven, Belgium
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43
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Participation of Intussusceptive Angiogenesis in the Morphogenesis of Lobular Capillary Hemangioma. Sci Rep 2020; 10:4987. [PMID: 32193418 PMCID: PMC7081232 DOI: 10.1038/s41598-020-61921-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 03/02/2020] [Indexed: 11/08/2022] Open
Abstract
In lobular capillary hemangioma (LCH), misnamed pyogenic granuloma, only sprouting angiogenesis (SA) has been considered. We assess the occurrence of intussusceptive angiogenesis (IA) in LCH and whether IA determines the specific and other focal patterns in the lesion. For this purpose, we study specimens of 120 cases of LCH, using semithin sections (in 10), immunohistochemistry, and confocal microscopy (in 20). In addition to SA, the results in LCH showed (1) intussusceptive phenomena, including pillars/folds and associated vessel loops, which encircled interstitial tissue structures (ITSs). (2) Two types of evolved loops depending on interendothelial contacts from opposite walls: (a) numerous interendothelial contacts, alternating with capillary-sized lumens (main capillary pattern of the lesion) and (b) few interendothelial contacts, wide open lumens, and intravascular transport of pillars/folds, which were arranged linearly, forming septa (focal sinusoidal-like pattern) or were irregularly grouped (focal intravascular papillary endothelial hyperplasia, IPEH-like pattern). In conclusion, we demonstrate that IA participates in synergistic interaction with SA in LCH development and that the prevalence of specific intussusceptive phenomena determines the predominant capillary pattern and associated sinusoidal hemangioma-like and IPEH-like patterns in the lesion, which suggest a role of IA as conditioner of vessel tumour/pseudo-tumour morphology.
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44
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Coelho‐Santos V, Shih AY. Postnatal development of cerebrovascular structure and the neurogliovascular unit. WILEY INTERDISCIPLINARY REVIEWS. DEVELOPMENTAL BIOLOGY 2020; 9:e363. [PMID: 31576670 PMCID: PMC7027551 DOI: 10.1002/wdev.363] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 08/23/2019] [Accepted: 08/26/2019] [Indexed: 12/22/2022]
Abstract
The unceasing metabolic demands of brain function are supported by an intricate three-dimensional network of arterioles, capillaries, and venules, designed to effectively distribute blood to all neurons and to provide shelter from harmful molecules in the blood. The development and maturation of this microvasculature involves a complex interplay between endothelial cells with nearly all other brain cell types (pericytes, astrocytes, microglia, and neurons), orchestrated throughout embryogenesis and the first few weeks after birth in mice. Both the expansion and regression of vascular networks occur during the postnatal period of cerebrovascular remodeling. Pial vascular networks on the brain surface are dense at birth and are then selectively pruned during the postnatal period, with the most dramatic changes occurring in the pial venular network. This is contrasted to an expansion of subsurface capillary networks through the induction of angiogenesis. Concurrent with changes in vascular structure, the integration and cross talk of neurovascular cells lead to establishment of blood-brain barrier integrity and neurovascular coupling to ensure precise control of macromolecular passage and metabolic supply. While we still possess a limited understanding of the rules that control cerebrovascular development, we can begin to assemble a view of how this complex process evolves, as well as identify gaps in knowledge for the next steps of research. This article is categorized under: Nervous System Development > Vertebrates: Regional Development Vertebrate Organogenesis > Musculoskeletal and Vascular Nervous System Development > Vertebrates: General Principles.
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Affiliation(s)
- Vanessa Coelho‐Santos
- Center for Developmental Biology and Regenerative MedicineSeattle Children's Research InstituteSeattleWashington
- Department of PediatricsUniversity of WashingtonSeattleWashington
| | - Andy Y. Shih
- Center for Developmental Biology and Regenerative MedicineSeattle Children's Research InstituteSeattleWashington
- Department of PediatricsUniversity of WashingtonSeattleWashington
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45
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Esteban S, Clemente C, Koziol A, Gonzalo P, Rius C, Martínez F, Linares PM, Chaparro M, Urzainqui A, Andrés V, Seiki M, Gisbert JP, Arroyo AG. Endothelial MT1-MMP targeting limits intussusceptive angiogenesis and colitis via TSP1/nitric oxide axis. EMBO Mol Med 2020; 12:e10862. [PMID: 31793743 PMCID: PMC7005619 DOI: 10.15252/emmm.201910862] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 11/05/2019] [Accepted: 11/08/2019] [Indexed: 12/27/2022] Open
Abstract
Pathological angiogenesis contributes to cancer progression and chronic inflammatory diseases. In inflammatory bowel disease, the microvasculature expands by intussusceptive angiogenesis (IA), a poorly characterized mechanism involving increased blood flow and splitting of pre-existing capillaries. In this report, mice lacking the protease MT1-MMP in endothelial cells (MT1iΔEC ) presented limited IA in the capillary plexus of the colon mucosa assessed by 3D imaging during 1% DSS-induced colitis. This resulted in better tissue perfusion, preserved intestinal morphology, and milder disease activity index. Combined in vivo intravital microscopy and lentiviral rescue experiments with in vitro cell culture demonstrated that MT1-MMP activity in endothelial cells is required for vasodilation and IA, as well as for nitric oxide production via binding of the C-terminal fragment of MT1-MMP substrate thrombospondin-1 (TSP1) to CD47/αvβ3 integrin. Moreover, TSP1 levels were significantly higher in serum from IBD patients and in vivo administration of an anti-MT1-MMP inhibitory antibody or a nonamer peptide spanning the αvβ3 integrin binding site in TSP1 reduced IA during mouse colitis. Our results identify MT1-MMP as a new actor in inflammatory IA and a promising therapeutic target for inflammatory bowel disease.
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Affiliation(s)
- Sergio Esteban
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
| | - Cristina Clemente
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
- Centro de Investigaciones Biológicas (CIB‐CSIC)MadridSpain
| | - Agnieszka Koziol
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
| | - Pilar Gonzalo
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
| | - Cristina Rius
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
- CIBER de Enfermedades Cardiovasculares (CIBER‐CV)MadridSpain
| | - Fernando Martínez
- Bioinformatics UnitCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
| | - Pablo M Linares
- Gastroenterology UnitHospital Universitario de La PrincesaInstituto de Investigación Sanitaria Princesa (IIS‐IP)Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBER‐EHD)Universidad Autónoma de MadridMadridSpain
| | - María Chaparro
- Gastroenterology UnitHospital Universitario de La PrincesaInstituto de Investigación Sanitaria Princesa (IIS‐IP)Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBER‐EHD)Universidad Autónoma de MadridMadridSpain
| | - Ana Urzainqui
- Immunology DepartmentFIB‐Hospital Universitario de La PrincesaInstituto de Investigación Sanitaria Princesa (IIS‐IP)MadridSpain
| | - Vicente Andrés
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
- CIBER de Enfermedades Cardiovasculares (CIBER‐CV)MadridSpain
| | - Motoharu Seiki
- Division of Cancer Cell ResearchInstitute of Medical ScienceUniversity of TokyoTokyoJapan
| | - Javier P Gisbert
- Gastroenterology UnitHospital Universitario de La PrincesaInstituto de Investigación Sanitaria Princesa (IIS‐IP)Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBER‐EHD)Universidad Autónoma de MadridMadridSpain
| | - Alicia G Arroyo
- Vascular Pathophysiology AreaCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
- Centro de Investigaciones Biológicas (CIB‐CSIC)MadridSpain
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46
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D'Amico G, Muñoz‐Félix JM, Pedrosa AR, Hodivala‐Dilke KM. "Splitting the matrix": intussusceptive angiogenesis meets MT1-MMP. EMBO Mol Med 2020; 12:e11663. [PMID: 31858727 PMCID: PMC7005529 DOI: 10.15252/emmm.201911663] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Pathological angiogenesis contributes to tumour progression as well as to chronic inflammatory diseases. In this issue of EMBO Molecular Medicine, Esteban and co-workers identify endothelial cell MT1-MMP as a key regulator of intussusceptive angiogenesis (IA) in inflammatory colitis. Thrombospondin 1 (TSP1) cleavage by MT1-MMP results in the binding of the c-terminal fragment of TSP1 to αvβ3 integrin, which induces nitric oxide (NO) production, vasodilation and further initiation of IA. This novel control mechanism of inflammatory IA points towards promising new therapeutic targets for inflammatory bowel disease.
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Affiliation(s)
- Gabriela D'Amico
- Barts Cancer InstituteJohn Vane Science CentreQueen Mary University of LondonLondonUK
| | - José M Muñoz‐Félix
- Barts Cancer InstituteJohn Vane Science CentreQueen Mary University of LondonLondonUK
| | - Ana Rita Pedrosa
- Barts Cancer InstituteJohn Vane Science CentreQueen Mary University of LondonLondonUK
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