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Fan Z, Ardicoglu R, Batavia AA, Rust R, von Ziegler L, Waag R, Zhang J, Desgeorges T, Sturman O, Dang H, Weber R, Roszkowski M, Moor AE, Schwab ME, Germain PL, Bohacek J, De Bock K. The vascular gene Apold1 is dispensable for normal development but controls angiogenesis under pathological conditions. Angiogenesis 2023; 26:385-407. [PMID: 36933174 PMCID: PMC10328887 DOI: 10.1007/s10456-023-09870-z] [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: 12/09/2022] [Accepted: 02/06/2023] [Indexed: 03/19/2023]
Abstract
The molecular mechanisms of angiogenesis have been intensely studied, but many genes that control endothelial behavior and fate still need to be described. Here, we characterize the role of Apold1 (Apolipoprotein L domain containing 1) in angiogenesis in vivo and in vitro. Single-cell analyses reveal that - across tissues - the expression of Apold1 is restricted to the vasculature and that Apold1 expression in endothelial cells (ECs) is highly sensitive to environmental factors. Using Apold1-/- mice, we find that Apold1 is dispensable for development and does not affect postnatal retinal angiogenesis nor alters the vascular network in adult brain and muscle. However, when exposed to ischemic conditions following photothrombotic stroke as well as femoral artery ligation, Apold1-/- mice display dramatic impairments in recovery and revascularization. We also find that human tumor endothelial cells express strikingly higher levels of Apold1 and that Apold1 deletion in mice stunts the growth of subcutaneous B16 melanoma tumors, which have smaller and poorly perfused vessels. Mechanistically, Apold1 is activated in ECs upon growth factor stimulation as well as in hypoxia, and Apold1 intrinsically controls EC proliferation but not migration. Our data demonstrate that Apold1 is a key regulator of angiogenesis in pathological settings, whereas it does not affect developmental angiogenesis, thus making it a promising candidate for clinical investigation.
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Affiliation(s)
- Zheng Fan
- Department of Health Sciences and Technology, Laboratory of Exercise and Health, ETH Zürich, Zurich, Switzerland
- Institute of Anatomy, University of Zürich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Raphaela Ardicoglu
- Department of Health Sciences and Technology, Laboratory of Exercise and Health, ETH Zürich, Zurich, Switzerland
- Department of Health Sciences and Technology, Laboratory of Molecular and Behavioral Neuroscience, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland
| | - Aashil A Batavia
- Department of Pathology and Molecular Pathology, University and University Hospital Zürich, Zurich, Switzerland
- Department of Biosystems Science and Engineering, ETH Zürich, Basel, Switzerland
| | - Ruslan Rust
- Department of Health Sciences and Technology, Institute for Regenerative Medicine, University of Zürich, ETH Zürich, Zurich, Switzerland
| | - Lukas von Ziegler
- Department of Health Sciences and Technology, Laboratory of Molecular and Behavioral Neuroscience, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland
| | - Rebecca Waag
- Department of Health Sciences and Technology, Laboratory of Molecular and Behavioral Neuroscience, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland
| | - Jing Zhang
- Department of Health Sciences and Technology, Laboratory of Exercise and Health, ETH Zürich, Zurich, Switzerland
| | - Thibaut Desgeorges
- Department of Health Sciences and Technology, Laboratory of Exercise and Health, ETH Zürich, Zurich, Switzerland
| | - Oliver Sturman
- Department of Health Sciences and Technology, Laboratory of Molecular and Behavioral Neuroscience, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland
| | - Hairuo Dang
- Department of Health Sciences and Technology, Laboratory of Exercise and Health, ETH Zürich, Zurich, Switzerland
- DKFZ-ZMBH Alliance, Im Neuenheimer Feld 282, 69120, Heidelberg, Germany
| | - Rebecca Weber
- Department of Health Sciences and Technology, Institute for Regenerative Medicine, University of Zürich, ETH Zürich, Zurich, Switzerland
| | - Martin Roszkowski
- Department of Health Sciences and Technology, Laboratory of Molecular and Behavioral Neuroscience, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland
| | - Andreas E Moor
- Department of Biosystems Science and Engineering, ETH Zürich, Basel, Switzerland
| | - Martin E Schwab
- Department of Health Sciences and Technology, Institute for Regenerative Medicine, University of Zürich, ETH Zürich, Zurich, Switzerland
| | - Pierre-Luc Germain
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland
- Department of Health Sciences and Technology, Computational Neurogenomics, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland
- Department for Molecular Life Sciences, Laboratory of Statistical Bioinformatics, University of Zürich, Zurich, Switzerland
| | - Johannes Bohacek
- Department of Health Sciences and Technology, Laboratory of Molecular and Behavioral Neuroscience, Institute for Neuroscience, ETH Zürich, Zurich, Switzerland.
- Neuroscience Center Zurich, ETH Zürich, University of Zürich, Zurich, Switzerland.
| | - Katrien De Bock
- Department of Health Sciences and Technology, Laboratory of Exercise and Health, ETH Zürich, Zurich, Switzerland.
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Stritt S, Nurden P, Nurden AT, Schved JF, Bordet JC, Roux M, Alessi MC, Trégouët DA, Mäkinen T, Giansily-Blaizot M. APOLD1 loss causes endothelial dysfunction involving cell junctions, cytoskeletal architecture, and Weibel-Palade bodies, while disrupting hemostasis. Haematologica 2023; 108:772-784. [PMID: 35638551 PMCID: PMC9973481 DOI: 10.3324/haematol.2022.280816] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Indexed: 11/09/2022] Open
Abstract
Vascular homeostasis is impaired in various diseases thereby contributing to the progression of their underlying pathologies. The endothelial immediate early gene Apolipoprotein L domain-containing 1 (APOLD1) helps to regulate endothelial function. However, its precise role in endothelial cell biology remains unclear. We have localized APOLD1 to endothelial cell contacts and to Weibel-Palade bodies (WPB) where it associates with von Willebrand factor (VWF) tubules. Silencing of APOLD1 in primary human endothelial cells disrupted the cell junction-cytoskeletal interface, thereby altering endothelial permeability accompanied by spontaneous release of WPB contents. This resulted in an increased presence of WPB cargoes, notably VWF and angiopoietin-2 in the extracellular medium. Autophagy flux, previously recognized as an essential mechanism for the regulated release of WPB, was impaired in the absence of APOLD1. In addition, we report APOLD1 as a candidate gene for a novel inherited bleeding disorder across three generations of a large family in which an atypical bleeding diathesis was associated with episodic impaired microcirculation. A dominant heterozygous nonsense APOLD1:p.R49* variant segregated to affected family members. Compromised vascular integrity resulting from an excess of plasma angiopoietin-2, and locally impaired availability of VWF may explain the unusual clinical profile of APOLD1:p.R49* patients. In summary, our findings identify APOLD1 as an important regulator of vascular homeostasis and raise the need to consider testing of endothelial cell function in patients with inherited bleeding disorders without apparent platelet or coagulation defects.
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Affiliation(s)
- Simon Stritt
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala
| | - Paquita Nurden
- Institut de Rythmologie et de Modélisation Cardiaque, Hôpital Xavier Arnozan, Pessac, France.
| | - Alan T Nurden
- Institut de Rythmologie et de Modélisation Cardiaque, Hôpital Xavier Arnozan, Pessac, France
| | - Jean-François Schved
- Department of Biological Hematology, CHU Montpellier, Université de Montpellier, Montpellier
| | - Jean-Claude Bordet
- Hematology, Hospices civils de Lyon, Bron biology center and Hemostasis- Thrombosis, Lyon-1 University, Lyon
| | | | | | - David-Alexandre Trégouët
- Laboratory of Excellence GENMED (Medical Genomics), Paris; University of Bordeaux, INSERM, Bordeaux Population Health Research Center, U1219, Bordeaux
| | - Taija Mäkinen
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Muriel Giansily-Blaizot
- Department of Biological Hematology, CHU Montpellier, Université de Montpellier, Montpellier
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Freson K. Loss of APOLD1: a new vascular bleeding disorder? Haematologica 2023; 108:665-667. [PMID: 35638552 PMCID: PMC9973465 DOI: 10.3324/haematol.2022.281354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Indexed: 11/09/2022] Open
Affiliation(s)
- Kathleen Freson
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, University of Leuven, Leuven, Belgium.
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Liao Y, Xie J, Qu B. Apolipoprotein L Domain Containing 1 Inhibits Tissue Factor to Impede Thrombus Formation in a Rat Model of Deep Vein Thrombosis via Activating PI3K/Akt Pathway. Ann Vasc Surg 2023; 89:312-321. [PMID: 36272664 DOI: 10.1016/j.avsg.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/28/2022] [Accepted: 10/09/2022] [Indexed: 01/25/2023]
Abstract
BACKGROUND Deep venous thrombosis (DVT) is one of the major health problems worldwide. Apolipoprotein L domain containing 1 (APOLD1) was reported to be downregulated in DVT. The present study intended to investigate whether APOLD1 affects thrombus formation in a rat model of DVT. METHODS The rat model of DVT was established by inferior vena cava (IVC) stenosis. At 6 hr, 12 hr, 24 hr, and 48 hr after IVC stenosis, the gross IVC with thrombus was dissected and observed. Then, the rats were preinjected with the lentiviral overexpression vector, APOLD1-LVs, 1 hr before IVC stenosis, to evaluate the influence of APOLD1 on thrombosis in rats. The serum levels of D-dimer and TAT as well as the content of TF in IVC tissues were detected by enzyme-linked immunosorbent assay (ELISA). RESULTS IVC stenosis resulted in thrombus formation in rats, increased serum levels of D-dimer and TAT, and decreased APOLD1 expression. APOLD1 overexpression inhibited in vivo thrombosis, reduced serum levels of D-dimer, and downregulated tissue factor (TF) activity and level. APOLD1 overexpression also increased p-PI3K and p-Akt protein levels. CONCLUSIONS APOLD1 suppresses thrombus formation in a rat model of DVT via downregulating TF expression by activating the PI3K/Akt pathway.
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Affiliation(s)
- Yonggui Liao
- Department of Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jinfeng Xie
- Department of Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Bihui Qu
- Department of Vascular Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Zhao P, Zhao F, Hu J, Wang J, Liu X, Zhao Z, Xi Q, Sun H, Li S, Luo Y. Physiology and Transcriptomics Analysis Reveal the Contribution of Lungs on High-Altitude Hypoxia Adaptation in Tibetan Sheep. Front Physiol 2022; 13:885444. [PMID: 35634140 PMCID: PMC9133604 DOI: 10.3389/fphys.2022.885444] [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: 02/28/2022] [Accepted: 04/12/2022] [Indexed: 01/10/2023] Open
Abstract
The Tibetan sheep is an indigenous species on the Tibetan plateau with excellent adaptability to high-altitude hypoxia and is distributed at altitudes of 2500–5000 m. The high-altitude hypoxia adaptation of Tibetan sheep requires adaptive reshaping of multiple tissues and organs, especially the lungs. To reveal the mechanisms of adaptation at the tissue and molecular levels in the lungs of Tibetan sheep under hypoxic conditions at different altitudes, we performed light and electron microscopic observations, transcriptomic sequencing, and enzyme-linked immunosorbent assay studies on the lungs of Tibetan sheep from three altitudes (2500, 3500, and 4500 m). The results showed that in addition to continuous increase in pulmonary artery volume, thickness, and elastic fiber content with altitude, Tibetan sheep increase the hemoglobin concentration at an altitude of 3500 m, while they decrease the Hb concentration and increase the surface area of gas exchange and capacity of the blood at an altitude of 4500 m. Other than that, some important differentially expressed genes related to angiogenesis (FNDC1, HPSE, and E2F8), vasomotion and fibrogenesis (GJA4, FAP, COL1A1, COL1A2, COL3A1, and COL14A1), and gas transport (HBB, HBA1, APOLD1, and CHL1) were also identified; these discoveries at the molecular level explain to some extent the physiological findings. In conclusion, the lungs of Tibetan sheep adopt different strategies when adapting to different altitudes, and these findings are valuable for understanding the basis of survival of indigenous species on the Tibetan plateau.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Shaobin Li
- *Correspondence: Shaobin Li, ; Yuzhu Luo,
| | - Yuzhu Luo
- *Correspondence: Shaobin Li, ; Yuzhu Luo,
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Yang X, Sun W, Wu Q, Lin H, Lu Z, Shen X, Chen Y, Zhou Y, Huang L, Wu F, Liu F, Chu D. Excess Folic Acid Supplementation before and during Pregnancy and Lactation Alters Behaviors and Brain Gene Expression in Female Mouse Offspring. Nutrients 2021; 14:nu14010066. [PMID: 35010941 PMCID: PMC8746785 DOI: 10.3390/nu14010066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 11/16/2022] Open
Abstract
Use of folic acid (FA) during early pregnancy protects against birth defects. However, excess FA has shown gender-specific neurodevelopmental toxicity. Previously, we fed the mice with 2.5 times the recommended amount of FA one week prior to mating and during the pregnancy and lactation periods, and detected the activated expression of Fos and related genes in the brains of weaning male offspring, as well as behavioral abnormalities in the adults. Here, we studied whether female offspring were affected by the same dosage of FA. An open field test, three-chamber social approach and social novelty test, an elevated plus-maze, rotarod test and the Morris water maze task were used to evaluate their behaviors. RNA sequencing was performed to identify differentially expressed genes in the brains. Quantitative real time-PCR (qRT-PCR) and Western blots were applied to verify the changes in gene expression. We found increased anxiety and impaired exploratory behavior, motor coordination and spatial memory in FA-exposed females. The brain transcriptome revealed 36 up-regulated and 79 down-regulated genes in their brains at weaning. The increase of Tlr1; Sult1a1; Tph2; Acacb; Etnppl; Angptl4 and Apold1, as well as a decrease of Ppara mRNA were confirmed by qRT-PCR. Among these genes; the mRNA levels of Etnppl; Angptl4andApold1 were increased in the both FA-exposed female and male brains. The elevation of Sult1a1 protein was confirmed by Western blots. Our data suggest that excess FA alteres brain gene expression and behaviors in female offspring, of which certain genes show apparent gender specificity.
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Affiliation(s)
- Xingyue Yang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China; (X.Y.); (Q.W.); (X.S.); (L.H.)
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226001, China; (H.L.); (F.W.)
| | - Wenyan Sun
- Department of Biochemistry and Molecular Biology, School of Medicine, Nantong University, Nantong 226001, China; (W.S.); (Z.L.); (Y.C.); (Y.Z.)
| | - Qian Wu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China; (X.Y.); (Q.W.); (X.S.); (L.H.)
| | - Hongyan Lin
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226001, China; (H.L.); (F.W.)
| | - Zhixing Lu
- Department of Biochemistry and Molecular Biology, School of Medicine, Nantong University, Nantong 226001, China; (W.S.); (Z.L.); (Y.C.); (Y.Z.)
| | - Xin Shen
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China; (X.Y.); (Q.W.); (X.S.); (L.H.)
| | - Yongqi Chen
- Department of Biochemistry and Molecular Biology, School of Medicine, Nantong University, Nantong 226001, China; (W.S.); (Z.L.); (Y.C.); (Y.Z.)
| | - Yan Zhou
- Department of Biochemistry and Molecular Biology, School of Medicine, Nantong University, Nantong 226001, China; (W.S.); (Z.L.); (Y.C.); (Y.Z.)
| | - Li Huang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China; (X.Y.); (Q.W.); (X.S.); (L.H.)
| | - Feng Wu
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong 226001, China; (H.L.); (F.W.)
| | - Fei Liu
- Department of Neurochemistry, Inge Grundke-Iqbal Research Floor, New York State Institute for Basic Research in Developmental Disabilities, Staten Island, NY 10314, USA
- Correspondence: (F.L.); (D.C.)
| | - Dandan Chu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology Products, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China; (X.Y.); (Q.W.); (X.S.); (L.H.)
- Correspondence: (F.L.); (D.C.)
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