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Nzamba J, Van Damme S, Favre J, Christe G. The relationships between spinal amplitude of movement, pain and disability in low back pain: A systematic review and meta-analysis. Eur J Pain 2024; 28:37-53. [PMID: 37475698 DOI: 10.1002/ejp.2162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 07/05/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND AND OBJECTIVES The role of spinal movement alterations in low back pain (LBP) remains unclear. This systematic review and meta-analyses examined the relationships between spinal amplitude of movement, disability and pain intensity in patients with LBP. DATABASES AND DATA TREATMENT We searched PubMed, CINAHL, Embase, Pedro and Web of Science for relevant articles until 14th March 2023. Risk of bias was assessed with the Quality in Prognostic Studies Tool. We analysed the relationships between amplitude of movement, disability and pain intensity with standard correlational meta-analyses and meta-analytic structural equation modelling (MASEM) in cross-sectional and longitudinal data. RESULTS A total of 106 studies (9001 participants) were included. In cross-sectional data, larger amplitude of movement was associated with lower disability (pooled coefficient: -0.25, 95% confidence interval: [-0.29 to -0.21]; 69/5899 studies/participants) and pain intensity (-0.13, [-0.17 to -0.09]; 74/5806). An increase in amplitude of movement was associated with a decrease in disability (-0.23, [-0.31 to -0.15]; 33/2437) and pain intensity (-0.25, [-0.33 to -0.17]; 38/2172) in longitudinal data. MASEM revealed similar results and, in addition, showed that amplitude of movement had a very small influence on the pain intensity-disability relationship. CONCLUSIONS These results showed a significant but small association between amplitude of movement and disability or pain intensity. Moreover, they demonstrated a direct association between an increase in amplitude of movement and a decrease in pain intensity or disability, supporting interventions aiming to reduce protective spinal movements in patients with LBP. SIGNIFICANCE The large meta-analyses performed in this work revealed an association between reductions in spinal amplitude of movement and increased levels of disability and pain intensity in people with LBP. Moreover, it highlighted that LBP recovery is associated with a reduction in protective motor behaviour (increased amplitude of movement), supporting the inclusion of spinal movement in the biopsychosocial understanding and management of LBP.
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Affiliation(s)
- J Nzamba
- Division of Physiotherapy, School of Health Professions, Bern University of Applied Sciences, Bern, Switzerland
| | - S Van Damme
- Department of Experimental-Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - J Favre
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - G Christe
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Department of Physiotherapy, HESAV School of Health Sciences, HES-SO University of Applied Sciences and Arts Western Switzerland, Lausanne, Switzerland
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2
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Favre J, Roy C, Guihot AL, Drouin A, Laprise M, Gillis MA, Robson SC, Thorin E, Sévigny J, Henrion D, Kauffenstein G. NTPDase1/CD39 Ectonucleotidase Is Necessary for Normal Arterial Diameter Adaptation to Flow. Int J Mol Sci 2023; 24:15038. [PMID: 37894719 PMCID: PMC10606763 DOI: 10.3390/ijms242015038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023] Open
Abstract
NTPDase1/CD39, the major vascular ectonucleotidase, exerts thrombo-immunoregulatory function by controlling endothelial P2 receptor activation. Despite the well-described release of ATP from endothelial cells, few data are available regarding the potential role of CD39 as a regulator of arterial diameter. We thus investigated the contribution of CD39 in short-term diameter adaptation and long-term arterial remodeling in response to flow using Entpd1-/- male mice. Compared to wild-type littermates, endothelial-dependent relaxation was modified in Entpd1-/- mice. Specifically, the vasorelaxation in response to ATP was potentiated in both conductance (aorta) and small resistance (mesenteric and coronary) arteries. By contrast, the relaxing responses to acetylcholine were supra-normalized in thoracic aortas while decreased in resistance arteries from Entpd1-/- mice. Acute flow-mediated dilation, measured via pressure myography, was dramatically diminished and outward remodeling induced by in vivo chronic increased shear stress was altered in the mesenteric resistance arteries isolated from Entpd1-/- mice compared to wild-types. Finally, changes in vascular reactivity in Entpd1-/- mice were also evidenced by a decrease in the coronary output measured in isolated perfused hearts compared to the wild-type mice. Our results highlight a key regulatory role for purinergic signaling and CD39 in endothelium-dependent short- and long-term arterial diameter adaptation to increased flow.
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Affiliation(s)
- Julie Favre
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University, 49045 Angers, France; (J.F.); (D.H.)
| | - Charlotte Roy
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University, 49045 Angers, France; (J.F.); (D.H.)
| | - Anne-Laure Guihot
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University, 49045 Angers, France; (J.F.); (D.H.)
| | - Annick Drouin
- Montreal Heart Institute, Department of Surgery, Université de Montréal, Montreal, QC H1T 1C8, Canada
| | - Manon Laprise
- Animal Physiology Service, Institut de Recherches Cliniques de Montreal (IRCM), Montreal, QC H2W 1R7, Canada;
| | - Marc-Antoine Gillis
- Montreal Heart Institute, Department of Surgery, Université de Montréal, Montreal, QC H1T 1C8, Canada
| | - Simon C. Robson
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Eric Thorin
- Montreal Heart Institute, Department of Surgery, Université de Montréal, Montreal, QC H1T 1C8, Canada
| | - Jean Sévigny
- Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC G1V 4G2, Canada
- Département de Microbiologie-Infectiologie et D’immunologie, Faculté de Médecine, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Daniel Henrion
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University, 49045 Angers, France; (J.F.); (D.H.)
| | - Gilles Kauffenstein
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University, 49045 Angers, France; (J.F.); (D.H.)
- INSERM UMR 1260—Regenerative Nanomedicine, CRBS, Strasbourg University, 67000 Strasbourg, France
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3
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Hirtzel J, Leks G, Favre J, Frisch B, Talon I, Ball V. Strongly Metal-Adhesive and Self-Healing Gelatin@Polydopamine-Based Hydrogels with Long-Term Antioxidant Activity. Antioxidants (Basel) 2023; 12:1764. [PMID: 37760067 PMCID: PMC10525539 DOI: 10.3390/antiox12091764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/10/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Bioinspired adhesives have been increasingly developed, especially towards a biomedical application. Therefore, in this study, dopamine (DA) was oxidized into polydopamine (PDA) in a gelatin mixture via titration with NaIO4 as a strong oxidant to easily obtain an adhesive antioxidant and self-healing PDA-gelatin hydrogel. Rheology experiments show a stiffness in the order of kPa and a thermal resistance above 50 °C, much above the gel-sol transition temperature of pristine gelatin. After heating at 55 °C, the gel is self-healing. In addition, just after formulation, it shows strong peeling-rate-dependent adhesion to steel with a tensile work per unit area (W) of up to 100 ± 39 J/m2, which is 2.5 times higher than that of the same gel without PDA at a peeling rate of 1000 µm/s. The increase in W between peeling rates of 10 and 1000 µm/s was studied and interpreted in terms of the gels' viscoelasticity. Moreover, this hydrogel offers significant antioxidant activity (measured by DPPH scavenging) that lasts with storage for at least over 15 days, this being then prolonged for 2 additional days, which seems particularly relevant considering the importance of reactive oxygen species (ROS) in wound healing. To summarize, PDA-gelatin gel is a promising strong and antioxidant adhesive.
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Affiliation(s)
- Jordana Hirtzel
- 3Bio, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, Faculté de Pharmacie, Université de Strasbourg, CNRS, 74 Route du Rhin, 67401 Illkirch Cedex, France; (J.H.); (G.L.); (J.F.); (B.F.)
- Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 Rue Sainte Elizabeth, 67000 Strasbourg, France
| | - Guillaume Leks
- 3Bio, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, Faculté de Pharmacie, Université de Strasbourg, CNRS, 74 Route du Rhin, 67401 Illkirch Cedex, France; (J.H.); (G.L.); (J.F.); (B.F.)
- Biomatériaux & Bioingénierie, UMR_S 1121, Université de Strasbourg, INSERM, 1 Rue Eugène Boeckel, 67000 Strasbourg, France;
| | - Julie Favre
- 3Bio, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, Faculté de Pharmacie, Université de Strasbourg, CNRS, 74 Route du Rhin, 67401 Illkirch Cedex, France; (J.H.); (G.L.); (J.F.); (B.F.)
| | - Benoît Frisch
- 3Bio, Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, Faculté de Pharmacie, Université de Strasbourg, CNRS, 74 Route du Rhin, 67401 Illkirch Cedex, France; (J.H.); (G.L.); (J.F.); (B.F.)
| | - Isabelle Talon
- Biomatériaux & Bioingénierie, UMR_S 1121, Université de Strasbourg, INSERM, 1 Rue Eugène Boeckel, 67000 Strasbourg, France;
- Service de Chirurgie Pédiatrique, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Vincent Ball
- Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 Rue Sainte Elizabeth, 67000 Strasbourg, France
- Biomatériaux & Bioingénierie, UMR_S 1121, Université de Strasbourg, INSERM, 1 Rue Eugène Boeckel, 67000 Strasbourg, France;
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4
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Park J, Proux C, Ehanno W, Réthoré L, Vessières E, Bourreau J, Favre J, Kauffenstein G, Mattei C, Tricoire-Leignel H, Henrion D, Legendre C, Legros C. Tetrodotoxin Decreases the Contractility of Mesenteric Arteries, Revealing the Contribution of Voltage-Gated Na + Channels in Vascular Tone Regulation. Mar Drugs 2023; 21:md21030196. [PMID: 36976245 PMCID: PMC10059581 DOI: 10.3390/md21030196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/11/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Tetrodotoxin (TTX) poisoning through the consumption of contaminated fish leads to lethal symptoms, including severe hypotension. This TTX-induced hypotension is likely due to the downfall of peripheral arterial resistance through direct or indirect effects on adrenergic signaling. TTX is a high-affinity blocker of voltage-gated Na+ (NaV) channels. In arteries, NaV channels are expressed in sympathetic nerve endings, both in the intima and media. In this present work, we aimed to decipher the role of NaV channels in vascular tone using TTX. We first characterized the expression of NaV channels in the aorta, a model of conduction arteries, and in mesenteric arteries (MA), a model of resistance arteries, in C57Bl/6J mice, by Western blot, immunochemistry, and absolute RT-qPCR. Our data showed that these channels are expressed in both endothelium and media of aorta and MA, in which scn2a and scn1b were the most abundant transcripts, suggesting that murine vascular NaV channels consist of NaV1.2 channel subtype with NaVβ1 auxiliary subunit. Using myography, we showed that TTX (1 µM) induced complete vasorelaxation in MA in the presence of veratridine and cocktails of antagonists (prazosin and atropine with or without suramin) that suppressed the effects of neurotransmitter release. In addition, TTX (1 µM) strongly potentiated the flow-mediated dilation response of isolated MA. Altogether, our data showed that TTX blocks NaV channels in resistance arteries and consecutively decreases vascular tone. This could explain the drop in total peripheral resistance observed during mammal tetrodotoxications.
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Affiliation(s)
- Joohee Park
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Coralyne Proux
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - William Ehanno
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Léa Réthoré
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Emilie Vessières
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Jennifer Bourreau
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Julie Favre
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
- UMR INSERM 1121, CRBS, Strasbourg University, 67000 Strasbourg, France
| | - Gilles Kauffenstein
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
- UMR INSERM 1260, CRBS, Strasbourg University, 67084 Strasbourg, France
| | - César Mattei
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | | | - Daniel Henrion
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Claire Legendre
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
| | - Christian Legros
- INSERM, CNRS, MITOVASC, Equipe CarME, SFR ICAT, University Angers, 49000 Angers, France
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5
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Caillon A, Trimaille A, Favre J, Jesel L, Morel O, Kauffenstein G. Role of neutrophils, platelets, and extracellular vesicles and their interactions in COVID-19-associated thrombopathy. J Thromb Haemost 2022; 20:17-31. [PMID: 34672094 PMCID: PMC8646423 DOI: 10.1111/jth.15566] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/28/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022]
Abstract
The COVID-19 pandemic extended all around the world causing millions of deaths. In addition to acute respiratory distress syndrome, many patients with severe COVID-19 develop thromboembolic complications associated to multiorgan failure and death. Here, we review evidence for the contribution of neutrophils, platelets, and extracellular vesicles (EVs) to the thromboinflammatory process in COVID-19. We discuss how the immune system, influenced by pro-inflammatory molecules, EVs, and neutrophil extracellular traps (NETs), can be caught out in patients with severe outcomes. We highlight how the deficient regulation of the innate immune system favors platelet activation and induces a vicious cycle amplifying an immunothrombogenic environment associated with platelet/NET interactions. In light of these considerations, we discuss potential therapeutic strategies underlining the modulation of purinergic signaling as an interesting target.
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Affiliation(s)
- Antoine Caillon
- Lady Davis Institute for Medical Research, McGill University, Montréal, Quebec, Canada
| | - Antonin Trimaille
- UMR INSERM 1260, CRBS, Strasbourg University, Strasbourg, France
- Division of Cardiovascular Medicine, Nouvel Hôpital Civil, Strasbourg University Hospital, Strasbourg, France
| | - Julie Favre
- INSERM, UMR S 1121, Biomaterials and Bioengineering, CRBS, Strasbourg, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, Strasbourg, France
| | - Laurence Jesel
- UMR INSERM 1260, CRBS, Strasbourg University, Strasbourg, France
- Division of Cardiovascular Medicine, Nouvel Hôpital Civil, Strasbourg University Hospital, Strasbourg, France
| | - Olivier Morel
- UMR INSERM 1260, CRBS, Strasbourg University, Strasbourg, France
- Division of Cardiovascular Medicine, Nouvel Hôpital Civil, Strasbourg University Hospital, Strasbourg, France
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6
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Omoumi P, Schuler A, Babel H, Stoffel C, Jolles BM, Favre J. Proximal tibial osteophyte volumes are correlated spatially and with knee alignment: a quantitative analysis suggesting the influence of biochemical and mechanical factors in the development of osteophytes. Osteoarthritis Cartilage 2021; 29:1691-1700. [PMID: 34571138 DOI: 10.1016/j.joca.2021.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 08/16/2021] [Accepted: 09/17/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To characterize the differences and correlations in osteophyte volumes between and within proximal tibial compartments, and to assess the correlations between osteophyte volumes and the femorotibial angle. DESIGN CT scans of 73 knees with predominantly medial femorotibial osteoarthritis (21 K/L2, 28 K/L3, 24 K/L4) were retrospectively analyzed using a new, reproducible method measuring total and subregional osteophyte volumes in the medial and lateral compartments. Non-parametric statistics was used for comparison and correlation analyses. RESULTS Total osteophyte volumes were larger in the medial than in the lateral compartment for all severity groups (p < 0.05). Additionally, statistically significant differences were observed among subregions of the lateral compartment in K/L3 and K/L4 knees. Statistically significant positive correlations were found between the medial and lateral total osteophyte volumes in K/L3 and K/L4 knees (ρ ≥ 0.44, p = 0.03), and among most subregional osteophyte volumes within each compartment in K/L3 knees. Markedly fewer statistically significant correlations were present in K/L2 and K/L4 knees. In K/L3 knees, the femorotibial angle was statistically significantly positively correlated with the total osteophyte volume in the medial compartment (ρ = 0.50, p = 0.01), with osteophyte volumes in most medial subregions, and with the osteophyte volume in the lateral posterior subregion (ρ = 0.40, p = 0.05). CONCLUSIONS Quantitative assessment of osteophytes may bring insight on factors influencing their development. Positive correlations of osteophyte volumes found between and within compartments suggest the influence of biochemical mediators acting on the entire joint, while positive correlations between the femorotibial angle and osteophyte volumes suggest a role of mechanical factors. These hypotheses are to be further confirmed.
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Affiliation(s)
- P Omoumi
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Diagnostic and Interventional Radiology, Lausanne, Switzerland; Cliniques Universitaires St Luc - UC Louvain, Department of Radiology, Brussels, Belgium.
| | - A Schuler
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland
| | - H Babel
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland
| | - C Stoffel
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland
| | - B M Jolles
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland; Ecole Polytechnique Fédérale Lausanne (EPFL), Institute of Microengineering, Lausanne, Switzerland
| | - J Favre
- Ecole Polytechnique Fédérale Lausanne (EPFL), Institute of Microengineering, Lausanne, Switzerland
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7
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Favre J, Vessieres E, Guihot AL, Proux C, Grimaud L, Rivron J, Garcia MC, Réthoré L, Zahreddine R, Davezac M, Fébrissy C, Adlanmerini M, Loufrani L, Procaccio V, Foidart JM, Flouriot G, Lenfant F, Fontaine C, Arnal JF, Henrion D. Membrane estrogen receptor alpha (ERα) participates in flow-mediated dilation in a ligand-independent manner. eLife 2021; 10:68695. [PMID: 34842136 PMCID: PMC8676342 DOI: 10.7554/elife.68695] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 11/26/2021] [Indexed: 12/13/2022] Open
Abstract
Estrogen receptor alpha (ERα) activation by estrogens prevents atheroma through its nuclear action, whereas plasma membrane-located ERα accelerates endothelial healing. The genetic deficiency of ERα was associated with a reduction in flow-mediated dilation (FMD) in one man. Here, we evaluated ex vivo the role of ERα on FMD of resistance arteries. FMD, but not agonist (acetylcholine, insulin)-mediated dilation, was reduced in male and female mice lacking ERα (Esr1-/- mice) compared to wild-type mice and was not dependent on the presence of estrogens. In C451A-ERα mice lacking membrane ERα, not in mice lacking AF2-dependent nuclear ERα actions, FMD was reduced, and restored by antioxidant treatments. Compared to wild-type mice, isolated perfused kidneys of C451A-ERα mice revealed a decreased flow-mediated nitrate production and an increased H2O2 production. Thus, endothelial membrane ERα promotes NO bioavailability through inhibition of oxidative stress and thereby participates in FMD in a ligand-independent manner.
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Affiliation(s)
- Julie Favre
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France
| | - Emilie Vessieres
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,CARFI facility, Angers University, Angers, France
| | - Anne-Laure Guihot
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,CARFI facility, Angers University, Angers, France
| | - Coralyne Proux
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,CARFI facility, Angers University, Angers, France
| | - Linda Grimaud
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France
| | - Jordan Rivron
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,CARFI facility, Angers University, Angers, France
| | - Manuela Cl Garcia
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,CARFI facility, Angers University, Angers, France
| | - Léa Réthoré
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France
| | - Rana Zahreddine
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Morgane Davezac
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Chanaelle Fébrissy
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Marine Adlanmerini
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Laurent Loufrani
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,University Hospital (CHU) of Angers, Angers, France
| | - Vincent Procaccio
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,University Hospital (CHU) of Angers, Angers, France
| | - Jean-Michel Foidart
- Groupe Interdisciplinaire de Génoprotéomique Appliquée, Université de Liège, Liège, Belgium
| | - Gilles Flouriot
- INSERM U1085, IRSET (Institut de Recherche en Santé, Environnement et Travail), University of Rennes, Rennes, France
| | - Françoise Lenfant
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Coralie Fontaine
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Jean-François Arnal
- INSERM U1297, Paul Sabatier University (Toulouse III) , University Hospital (UHC) of Toulouse, Toulouse, France
| | - Daniel Henrion
- Angers University, MITOVASC, CNRS UMR 6015, INSERM U1083, Angers, France.,CARFI facility, Angers University, Angers, France.,University Hospital (CHU) of Angers, Angers, France
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8
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Valente C, Haefliger L, Favre J, Omoumi P. AB0041 TO ESTIMATE THE PREVALENCE OF ACETABULAR OSSIFICATIONS IN THE ADULT POPULATION WITH ASYMPTOMATIC, MORPHOLOGICALLY NORMAL HIPS AT CT AND TO DETERMINE WHETHER THE PRESENCE OF LABRAL OSSIFICATIONS IS ASSOCIATED WITH PATIENT-RELATED OR HIP-RELATED PARAMETERS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:In clinical practice, ossifications adjoining the acetabular rim are frequently seen in healthy-appearing hip joints, at all ages. The origin of these acetabular rim ossifications (ARO) is unclear. While ARO have been described by some authors as variants that may mimic marginal acetabular osteophytes, others have hypothesized that ARO may be the cause or the consequence of femoroacetabular impingement. Overall, the literature on ARO is limited, in particular in the healthy population, and their characteristics and origin not fully understood.Objectives:To estimate the prevalence of acetabular rim ossifications in the adult population with asymptomatic, morphologically normal hips at CT and to determine whether the presence of these ossifications is associated with patient-, or hip-related parameters.Methods:We prospectively included all patients undergoing thoracoabdominal CT over a 3-month period. After exclusion of patients with a clinical history of hip pathology and/or with signs of osteoarthritis on CT, we included a total of 150 hips from 75 patients. We analyzed the presence and the size of ossifications around the acetabular rim. The relationships between the size of acetabular rim ossifications and patient-related (sex, age, BMI), or hip-related parameters (joint space width, and cam- and pincer-type femoroacetabular impingement morphology) were tested using multiple regression analysis.Results:The prevalence of acetabular rim ossifications in this population of asymptomatic, non-osteoarthritic hips was 96% (95%CI=[80.1;100.0]). The presence of ossifications and their size were correlated between right and left hips (Spearman coefficient=0.64 (95%CI=[0.46;0.79]),p<0.05)).The size of acetabular rim ossifications was significantly associated with age (p<0.0001) but not with BMI (p=0.35), gender (p=0.05), joint space width (p≥0.53 for all locations) or any of the qualitative or quantitative parameters associated with femoroacetabular morphology (p≥0.34).Conclusion:Acetabular rim ossifications are highly prevalent in asymptomatic, non-osteoarthritic adult hips at all ages. Their size is not correlated with any patient-, or hip-related parameters except for the age. These findings suggest that ossifications at the acetabular rim, when present in isolation, should not be considered as signs of osteoarthritis or femoroacetabular impingement morphology.References:[1]J. W. T. Byrd, K. S. Jones, C. R. Freema. Surgical Outcome of Pincer Femoroacetabular Impingement With and Without Labral Ossification. Arthroscopy 2016; 32: 1022–1029.[2]P. D. Byers, C. A. Contepomi, and T. A. Farkas. A post mortem study of the hip joint. Including the prevalence of the features of the right side. Annals of Rheumatic Diseases 1970; 29: 15–31.[3]S. Ninomiya, A. Shimabukuro, T. Tanabe, Y. T. Kim, Y. Tachibana. Ossification of the acetabular labrum. Journal of Orthopaedics Science 2001; 5: 511–514.Table 1.Association between the average severity size of ossifications and patient-related, and hip-related parametersRegression coefficientp- valuePatient-related parametersBMI0.020.35Age0.04<0.001Gender-0.430.05Joint space widthApical0.170.53Supero-medial0.170.65Supero-lateral0.060.82Cam morphotype parametersAngle alpha 450.000.81Offset0.090.34Pincer morphotype parametersAcetabular version angle-0.010.83Lateral center-edge angle0.020.56Acetabular index0.030.53Crossover sign0.260.41Posterior wall sign-0.250.47Figure 1.Coronal reformats of CT examinations showing different sizes of labral ossifications in the posterosuperior quadrant (arrows). (a) No labral ossification, (b-c-d-e) Increasingly large labral ossification from left to right. Two lines are visible at the location of the ossification, formed by the contour of the acetabular rim and of the ossification (double line-sign).Disclosure of Interests:None declared
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9
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Duflot T, Laurent C, Soudey A, Fonrose X, Hamzaoui M, Iacob M, Bertrand D, Favre J, Etienne I, Roche C, Coquerel D, Le Besnerais M, Louhichi S, Tarlet T, Li D, Brunel V, Morisseau C, Richard V, Joannidès R, Stanke-Labesque F, Lamoureux F, Guerrot D, Bellien J. Preservation of epoxyeicosatrienoic acid bioavailability prevents renal allograft dysfunction and cardiovascular alterations in kidney transplant recipients. Sci Rep 2021; 11:3739. [PMID: 33580125 PMCID: PMC7881112 DOI: 10.1038/s41598-021-83274-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 01/27/2021] [Indexed: 12/25/2022] Open
Abstract
This study addressed the hypothesis that epoxyeicosatrienoic acids (EETs) synthesized by CYP450 and catabolized by soluble epoxide hydrolase (sEH) are involved in the maintenance of renal allograft function, either directly or through modulation of cardiovascular function. The impact of single nucleotide polymorphisms (SNPs) in the sEH gene EPHX2 and CYP450 on renal and vascular function, plasma levels of EETs and peripheral blood monuclear cell sEH activity was assessed in 79 kidney transplant recipients explored at least one year after transplantation. Additional experiments in a mouse model mimicking the ischemia–reperfusion (I/R) injury suffered by the transplanted kidney evaluated the cardiovascular and renal effects of the sEH inhibitor t-AUCB administered in drinking water (10 mg/l) during 28 days after surgery. There was a long-term protective effect of the sEH SNP rs6558004, which increased EET plasma levels, on renal allograft function and a deleterious effect of K55R, which increased sEH activity. Surprisingly, the loss-of-function CYP2C9*3 was associated with a better renal function without affecting EET levels. R287Q SNP, which decreased sEH activity, was protective against vascular dysfunction while CYP2C8*3 and 2C9*2 loss-of-function SNP, altered endothelial function by reducing flow-induced EET release. In I/R mice, sEH inhibition reduced kidney lesions, prevented cardiac fibrosis and dysfunction as well as preserved endothelial function. The preservation of EET bioavailability may prevent allograft dysfunction and improve cardiovascular disease in kidney transplant recipients. Inhibition of sEH appears thus as a novel therapeutic option but its impact on other epoxyfatty acids should be carefully evaluated.
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Affiliation(s)
- Thomas Duflot
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France.,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France.,Laboratory of Pharmacokinetics, Toxicology and Pharmacogenetics, Rouen University Hospital, 76000, Rouen, France
| | - Charlotte Laurent
- Department of Nephrology, Rouen University Hospital, 76000, Rouen, France
| | - Anne Soudey
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Xavier Fonrose
- Department of Pharmacology, Grenoble Alpes University Hospital, HP2, INSERM U1042, University of Grenoble Alpes, 38000, Grenoble, France
| | - Mouad Hamzaoui
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France.,Department of Nephrology, Rouen University Hospital, 76000, Rouen, France
| | - Michèle Iacob
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France
| | - Dominique Bertrand
- Department of Nephrology, Rouen University Hospital, 76000, Rouen, France
| | - Julie Favre
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Isabelle Etienne
- Department of Nephrology, Rouen University Hospital, 76000, Rouen, France
| | - Clothilde Roche
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - David Coquerel
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Maëlle Le Besnerais
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Safa Louhichi
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France.,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Tracy Tarlet
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France.,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Dongyang Li
- Department of Entomology and Nematology, and Comprehensive Cancer Center, University of California, Davis, Davis, CA, 95616, USA
| | - Valéry Brunel
- Department of General Biochemistry, Rouen University Hospital, 76000, Rouen, France
| | - Christophe Morisseau
- Department of Entomology and Nematology, and Comprehensive Cancer Center, University of California, Davis, Davis, CA, 95616, USA
| | - Vincent Richard
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France.,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France
| | - Robinson Joannidès
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France.,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France.,Centre d'Investigation Clinique (CIC)-INSERM 1404, Rouen University Hospital, 76000, Rouen, France
| | - Françoise Stanke-Labesque
- Department of Pharmacology, Grenoble Alpes University Hospital, HP2, INSERM U1042, University of Grenoble Alpes, 38000, Grenoble, France
| | - Fabien Lamoureux
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France.,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France.,Laboratory of Pharmacokinetics, Toxicology and Pharmacogenetics, Rouen University Hospital, 76000, Rouen, France
| | - Dominique Guerrot
- UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France.,Department of Nephrology, Rouen University Hospital, 76000, Rouen, France
| | - Jérémy Bellien
- Department of Pharmacology, Rouen University Hospital, 76000, Rouen, France. .,UNIROUEN, INSERM U1096, FHU CARNAVAL, Normandie University, 76000, Rouen, France. .,Centre d'Investigation Clinique (CIC)-INSERM 1404, Rouen University Hospital, 76000, Rouen, France. .,Department of Pharmacology, Rouen University Hospital, 76031, Rouen Cedex, France.
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10
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Nitzsche A, Poittevin M, Benarab A, Bonnin P, Faraco G, Uchida H, Favre J, Garcia-Bonilla L, Garcia MCL, Léger PL, Thérond P, Mathivet T, Autret G, Baudrie V, Couty L, Kono M, Chevallier A, Niazi H, Tharaux PL, Chun J, Schwab SR, Eichmann A, Tavitian B, Proia RL, Charriaut-Marlangue C, Sanchez T, Kubis N, Henrion D, Iadecola C, Hla T, Camerer E. Endothelial S1P 1 Signaling Counteracts Infarct Expansion in Ischemic Stroke. Circ Res 2021; 128:363-382. [PMID: 33301355 PMCID: PMC7874503 DOI: 10.1161/circresaha.120.316711] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
RATIONALE Cerebrovascular function is critical for brain health, and endogenous vascular protective pathways may provide therapeutic targets for neurological disorders. S1P (Sphingosine 1-phosphate) signaling coordinates vascular functions in other organs, and S1P1 (S1P receptor-1) modulators including fingolimod show promise for the treatment of ischemic and hemorrhagic stroke. However, S1P1 also coordinates lymphocyte trafficking, and lymphocytes are currently viewed as the principal therapeutic target for S1P1 modulation in stroke. OBJECTIVE To address roles and mechanisms of engagement of endothelial cell S1P1 in the naive and ischemic brain and its potential as a target for cerebrovascular therapy. METHODS AND RESULTS Using spatial modulation of S1P provision and signaling, we demonstrate a critical vascular protective role for endothelial S1P1 in the mouse brain. With an S1P1 signaling reporter, we reveal that abluminal polarization shields S1P1 from circulating endogenous and synthetic ligands after maturation of the blood-neural barrier, restricting homeostatic signaling to a subset of arteriolar endothelial cells. S1P1 signaling sustains hallmark endothelial functions in the naive brain and expands during ischemia by engagement of cell-autonomous S1P provision. Disrupting this pathway by endothelial cell-selective deficiency in S1P production, export, or the S1P1 receptor substantially exacerbates brain injury in permanent and transient models of ischemic stroke. By contrast, profound lymphopenia induced by loss of lymphocyte S1P1 provides modest protection only in the context of reperfusion. In the ischemic brain, endothelial cell S1P1 supports blood-brain barrier function, microvascular patency, and the rerouting of blood to hypoperfused brain tissue through collateral anastomoses. Boosting these functions by supplemental pharmacological engagement of the endothelial receptor pool with a blood-brain barrier penetrating S1P1-selective agonist can further reduce cortical infarct expansion in a therapeutically relevant time frame and independent of reperfusion. CONCLUSIONS This study provides genetic evidence to support a pivotal role for the endothelium in maintaining perfusion and microvascular patency in the ischemic penumbra that is coordinated by S1P signaling and can be harnessed for neuroprotection with blood-brain barrier-penetrating S1P1 agonists.
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MESH Headings
- Animals
- Blood-Brain Barrier/drug effects
- Blood-Brain Barrier/metabolism
- Blood-Brain Barrier/pathology
- Blood-Brain Barrier/physiopathology
- Cerebral Arteries/drug effects
- Cerebral Arteries/metabolism
- Cerebral Arteries/pathology
- Cerebral Arteries/physiopathology
- Cerebrovascular Circulation
- Disease Models, Animal
- Endothelial Cells/metabolism
- Endothelial Cells/pathology
- Female
- Infarction, Middle Cerebral Artery/metabolism
- Infarction, Middle Cerebral Artery/pathology
- Infarction, Middle Cerebral Artery/physiopathology
- Infarction, Middle Cerebral Artery/prevention & control
- Ischemic Attack, Transient/metabolism
- Ischemic Attack, Transient/pathology
- Ischemic Attack, Transient/physiopathology
- Ischemic Attack, Transient/prevention & control
- Ischemic Stroke/metabolism
- Ischemic Stroke/pathology
- Ischemic Stroke/physiopathology
- Ischemic Stroke/prevention & control
- Lysophospholipids/metabolism
- Male
- Mice, 129 Strain
- Mice, Inbred C57BL
- Mice, Knockout
- Microcirculation
- Neuroprotective Agents/pharmacology
- Signal Transduction
- Sphingosine/analogs & derivatives
- Sphingosine/metabolism
- Sphingosine-1-Phosphate Receptors/agonists
- Sphingosine-1-Phosphate Receptors/genetics
- Sphingosine-1-Phosphate Receptors/metabolism
- Vascular Patency
- Mice
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Affiliation(s)
- Anja Nitzsche
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | - Marine Poittevin
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
- Institut des Vaisseaux et du Sang, Hôpital Lariboisière
| | - Ammar Benarab
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | - Philippe Bonnin
- Université de Paris, INSERM U965 and Physiologie Clinique - Explorations-Fonctionnelles, AP-HP, Hôpital Lariboisière
| | - Giuseppe Faraco
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York
| | - Hiroki Uchida
- Center for Vascular Biology, Weill Cornell Medical College, Cornell University, New York
| | - Julie Favre
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University
| | - Lidia Garcia-Bonilla
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York
| | - Manuela C. L. Garcia
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University
| | - Pierre-Louis Léger
- Institut des Vaisseaux et du Sang, Hôpital Lariboisière
- INSERM U1141, Hôpital Robert Debré
| | - Patrice Thérond
- Assistance Publique-Hôpitaux de Paris (AP-HP), Service de Biochimie, Hôpital de Bicêtre, Le Kremlin Bicêtre, France; Université Paris-Sud
- UFR de Pharmacie, EA 4529, Châtenay-Malabry, France
| | - Thomas Mathivet
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | - Gwennhael Autret
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | | | - Ludovic Couty
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | - Mari Kono
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Institutes of Health, Bethesda, MD, USA
| | - Aline Chevallier
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | - Hira Niazi
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | | | - Jerold Chun
- Neuroscience Drug Discovery, Sanford Burnham Prebys Medical Discovery Institute, La Jolla
| | - Susan R. Schwab
- Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York
| | - Anne Eichmann
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
| | | | - Richard L. Proia
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Institutes of Health, Bethesda, MD, USA
| | | | - Teresa Sanchez
- Center for Vascular Biology, Weill Cornell Medical College, Cornell University, New York
| | - Nathalie Kubis
- Université de Paris, INSERM U965 and Physiologie Clinique - Explorations-Fonctionnelles, AP-HP, Hôpital Lariboisière
- Université de Paris, INSERM U1148, Hôpital Bichat, Paris, France
| | - Daniel Henrion
- MITOVASC Institute, CARFI Facility, CNRS UMR 6015, INSERM U1083, Angers University
| | - Costantino Iadecola
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, Cornell University, New York
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital
| | - Eric Camerer
- Université de Paris, Paris Cardiovascular Research Centre, INSERM
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11
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Adlanmerini M, Fébrissy C, Zahreddine R, Vessières E, Buscato M, Solinhac R, Favre J, Anquetil T, Guihot AL, Boudou F, Raymond-Letron I, Chambon P, Gourdy P, Ohlsson C, Laurell H, Fontaine C, Metivier R, Le Romancer M, Henrion D, Arnal JF, Lenfant F. Mutation of Arginine 264 on ERα (Estrogen Receptor Alpha) Selectively Abrogates the Rapid Signaling of Estradiol in the Endothelium Without Altering Fertility. Arterioscler Thromb Vasc Biol 2020; 40:2143-2158. [PMID: 32640903 DOI: 10.1161/atvbaha.120.314159] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE ERα (estrogen receptor alpha) exerts nuclear genomic actions and also rapid membrane-initiated steroid signaling. The mutation of the cysteine 451 into alanine in vivo has recently revealed the key role of this ERα palmitoylation site on some vasculoprotective actions of 17β-estradiol (E2) and fertility. Here, we studied the in vivo role of the arginine 260 of ERα which has also been described to be involved in its E2-induced rapid signaling with PI-3K (phosphoinositide 3-kinase) as well as G protein in cultured cell lines. Approach and Results: We generated a mouse model harboring a point mutation of the murine counterpart of this arginine into alanine (R264A-ERα). In contrast to the C451A-ERα, the R264A-ERα females are fertile with standard hormonal serum levels and normal control of hypothalamus-pituitary ovarian axis. Although R264A-ERα protein abundance was normal, the well-described membrane ERα-dependent actions of estradiol, such as the rapid dilation of mesenteric arteries and the acceleration of endothelial repair of carotid, were abrogated in R264A-ERα mice. In striking contrast, E2-regulated gene expression was highly preserved in the uterus and the aorta, revealing intact nuclear/genomic actions in response to E2. Consistently, 2 recognized nuclear ERα-dependent actions of E2, namely atheroma prevention and flow-mediated arterial remodeling were totally preserved. CONCLUSIONS These data underline the exquisite role of arginine 264 of ERα for endothelial membrane-initiated steroid signaling effects of E2 but not for nuclear/genomic actions. This provides the first model of fertile mouse with no overt endocrine abnormalities with specific loss-of-function of rapid ERα signaling in vascular functions.
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Affiliation(s)
- Marine Adlanmerini
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Chanaelle Fébrissy
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Rana Zahreddine
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Emilie Vessières
- Institut National de la Santé et de la Recherche Médicale U1083, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 46 015, Université d'Angers, France (E.V., J.F., A.-L.G., D.H.)
| | - Mélissa Buscato
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Romain Solinhac
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Julie Favre
- Institut National de la Santé et de la Recherche Médicale U1083, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 46 015, Université d'Angers, France (E.V., J.F., A.-L.G., D.H.)
| | - Typhaine Anquetil
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Anne-Laure Guihot
- Institut National de la Santé et de la Recherche Médicale U1083, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 46 015, Université d'Angers, France (E.V., J.F., A.-L.G., D.H.)
| | - Frederic Boudou
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Isabelle Raymond-Letron
- Institut National Polytechnique, École Nationale Vétérinaire de Toulouse, Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Service 006 (I.R.-L.), Université de Toulouse, France
| | - Pierre Chambon
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Collège de France, Université de Strasbourg, Illkirch, France (P.C.)
| | - Pierre Gourdy
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Claes Ohlsson
- Centre for Bone and Arthritis Research Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Sweden (C.O.)
| | - Henrik Laurell
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Coralie Fontaine
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Raphaël Metivier
- CNRS, Université de Rennes, IGDR (Institut de Génétique De Rennes) - UMR 6290, France (R.M.)
| | - Muriel Le Romancer
- Inserm U1052, CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, France (M.L.R.)
| | - Daniel Henrion
- Institut National de la Santé et de la Recherche Médicale U1083, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 46 015, Université d'Angers, France (E.V., J.F., A.-L.G., D.H.)
| | - Jean-Francois Arnal
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
| | - Francoise Lenfant
- From the INSERM-UPS UMR U1048, Institut des Maladies Métaboliques et Cardiovasculaires (M.A., C.F., R.Z., M.B., R.S., T.A., F.B., P.G., H.L., C.F., J.-F.A., F.L.), Université de Toulouse, France
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12
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Rochoy M, Baran J, Doublali A, Berkhout C, Favre J, Descamps A. [Study of practices: What do general practitioners first propose when faced with asymptomatic lower extremity peripheral artery disease?]. Ann Cardiol Angeiol (Paris) 2020; 69:55-59. [PMID: 32241521 DOI: 10.1016/j.ancard.2020.03.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 03/04/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Peripheral artery disease of lower limbs (PAD) can be discovered at an asymptomatic stage by the realization of systolic pressure indices. The 2006 recommendations of the French National Authority for Health on AOMI encourage the systematic prescription of antiplatelet agents; the 2012 recommendations on the proper use of antiplatelet agents no longer encourage it in the case of asymptomatic PAD. These two recommendations still coexist. Our objective was to determine the management of an asymptomatic PAD by general practitioners. METHODS Descriptive and analytical epidemiological study, with analysis of practices, prospectively addressed by postal questionnaire to a randomized sample of 220 GPs practicing in the European Metropolis of Lille between December 15, 2016 and February 15, 2017. The question was: "if an asymptomatic PAD is discovered in a 50-year-old patient who is otherwise in good general condition, what do you generally do?" RESULTS Our sample was 92 general practitioners (42% participation). Of these, only 6 were practicing HPIs. Before an asymptomatic PAD, management included an opinion from an angiologist (84%) and/or a cardiologist (75%) before the drug was prescribed (antiplatelet agent for 57%, statin for 33% and ACE inhibitor for 14%). CONCLUSION The extension assessment was carried out in more than 8 out of 10 cases. The use of antiplatelet antiaggregants was significant, which can be explained by the coexistence of divergent recommendations. The rapid clarification of recommendations is essential with the evolution of scientific data.
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Affiliation(s)
- M Rochoy
- Département de médecine générale, faculté de médecine, Université Lille, 59000 Lille, France.
| | - J Baran
- Département de médecine générale, faculté de médecine, Université Lille, 59000 Lille, France
| | - A Doublali
- Département de médecine générale, faculté de médecine, Université Lille, 59000 Lille, France
| | - C Berkhout
- Département de médecine générale, faculté de médecine, Université Lille, 59000 Lille, France
| | - J Favre
- Département de médecine générale, faculté de médecine, Université Lille, 59000 Lille, France
| | - A Descamps
- Département de médecine générale, faculté de médecine, Université Lille, 59000 Lille, France
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Edd SN, Vida Martins N, Bennour S, Ulrich B, Jolles BM, Favre J. Changes in lower limb biomechanics when following floor-projected foot placement visual cues for gait rehabilitation. Gait Posture 2020; 77:293-299. [PMID: 32120246 DOI: 10.1016/j.gaitpost.2020.02.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 10/22/2019] [Accepted: 02/18/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Lately, the projection of foot placement visual cues onto the floor has been considered for use in gait rehabilitation. While promising, this approach needs further basic assessment to ensure proper uses. RESEARCH QUESTION Does following floor-projected foot placement visual cues of one's natural walking pattern induce gait mechanics changes immediately or after a practice period? METHODS Gait mechanics data from fifteen healthy individuals (7 female, 25.4 ± 5.0 years, 21.5 ± 1.68 kg/m2) was collected during normal walking without visual cues, and during two testing phases (immediate and after 45-60 min of practice) of walking with floor-projected visual cues depicting their normal spatial parameters. Magnitudes and variabilities of spatial gait parameters and sagittal plane lower limb kinematics and kinetics were compared between the three testing phases using repeated measures ANOVA and post-hoc paired t-tests. RESULTS Compared to normal walking without foot placement visual cues, there was a statistically significant (p < 0.05) increase in stride length (maximum change of 0.01 ± 0.01 m), stance phase knee flexion (2.0 ± 2.5°), and swing phase hip flexion (1.2 ± 1.3°) in both immediate and post-practice testing phases, along with an increase in terminal stance hip (0.28 ± 0.38 %BW*Ht) and knee (0.25 ± 0.25 %BW*Ht) flexion moments in the immediate testing phase. All of these changes between testing phases were smaller than their corresponding normal gait smallest real differences (SRD). With the addition of visual cues, variability was statistically significantly decreased in spatial parameters and increased in knee flexion angle at heel strike and knee flexion moment in terminal stance. SIGNIFICANCE While biomechanical changes were observed, their magnitudes were small enough to suggest that floor-projected visual cues can be used in gait retraining without introducing unintended gait changes. Furthermore, the results suggested that lengthy practice periods are not necessary. The validity of these observations will, however, need to be confirmed in cases of severe impairments.
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Affiliation(s)
- S N Edd
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland.
| | - N Vida Martins
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland
| | - S Bennour
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland; University of Sousse, National Engineering School of Sousse, Mechanical Laboratory of Sousse, Sousse, Tunisia
| | - B Ulrich
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland
| | - B M Jolles
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland; Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering, Lausanne, Switzerland
| | - J Favre
- Lausanne University Hospital and University of Lausanne (CHUV-UNIL), Department of Musculoskeletal Medicine, Swiss BioMotion Lab, Lausanne, Switzerland
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14
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Guivarc'h E, Favre J, Guihot AL, Vessières E, Grimaud L, Proux C, Rivron J, Barbelivien A, Fassot C, Briet M, Lenfant F, Fontaine C, Loufrani L, Arnal JF, Henrion D. Nuclear Activation Function 2 Estrogen Receptor α Attenuates Arterial and Renal Alterations Due to Aging and Hypertension in Female Mice. J Am Heart Assoc 2020; 9:e013895. [PMID: 32102616 PMCID: PMC7335584 DOI: 10.1161/jaha.119.013895] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background The cardiovascular protective effects of estrogens in premenopausal women depend mainly on estrogen receptor α (ERα). ERα activates nuclear gene transcription regulation and membrane‐initiated signaling. The latter plays a key role in estrogen‐dependent activation of endothelial NO synthase. The goal of the present work was to determine the respective roles of the 2 ERα activities in endothelial function and cardiac and kidney damage in young and old female mice with hypertension, which is a major risk factor in postmenopausal women. Methods and Results Five‐ and 18‐month‐old female mice lacking either ERα (ERα−/−), the nuclear activating function AF2 of ERα (AF2°), or membrane‐located ERα (C451A) were treated with angiotensin II (0.5 mg/kg per day) for 1 month. Systolic blood pressure, left ventricle weight, vascular reactivity, and kidney function were then assessed. Angiotensin II increased systolic blood pressure, ventricle weight, and vascular contractility in ERα−/− and AF2° mice more than in wild‐type and C451A mice, independent of age. In both the aorta and mesenteric resistance arteries, angiotensin II and aging reduced endothelium‐dependent relaxation in all groups, but this effect was more pronounced in ERα−/− and AF2° than in the wild‐type and C451A mice. Kidney inflammation and oxidative stress, as well as blood urea and creatinine levels, were also more pronounced in old hypertensive ERα−/− and AF2° than in old hypertensive wild‐type and C451A mice. Conclusions The nuclear ERα‐AF2 dependent function attenuates angiotensin II–dependent hypertension and protects target organs in aging mice, whereas membrane ERα signaling does not seem to play a role.
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Affiliation(s)
- Emmanuel Guivarc'h
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Julie Favre
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Anne-Laure Guihot
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Emilie Vessières
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Linda Grimaud
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Coralyne Proux
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Jordan Rivron
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Agnès Barbelivien
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Céline Fassot
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Marie Briet
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France.,University Hospital of Angers Angers France
| | - Françoise Lenfant
- Institut des Maladies Métaboliques et Cardiovasculaires Université de Toulouse 3 UMR INSERM 1048 Toulouse France
| | - Coralie Fontaine
- Institut des Maladies Métaboliques et Cardiovasculaires Université de Toulouse 3 UMR INSERM 1048 Toulouse France
| | - Laurent Loufrani
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France
| | - Jean-François Arnal
- Institut des Maladies Métaboliques et Cardiovasculaires Université de Toulouse 3 UMR INSERM 1048 Toulouse France
| | - Daniel Henrion
- MITOVASC Institute and CARFI Facility INSERM U1083 CNRS UMR 6015 Angers University Angers France.,University Hospital of Angers Angers France
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15
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Chennupati R, Wirth A, Favre J, Li R, Bonnavion R, Jin YJ, Wietelmann A, Schweda F, Wettschureck N, Henrion D, Offermanns S. Myogenic vasoconstriction requires G 12/G 13 and LARG to maintain local and systemic vascular resistance. eLife 2019; 8:49374. [PMID: 31549965 PMCID: PMC6777979 DOI: 10.7554/elife.49374] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 09/24/2019] [Indexed: 12/12/2022] Open
Abstract
Myogenic vasoconstriction is an autoregulatory function of small arteries. Recently, G-protein-coupled receptors have been involved in myogenic vasoconstriction, but the downstream signalling mechanisms and the in-vivo-function of this myogenic autoregulation are poorly understood. Here, we show that small arteries from mice with smooth muscle-specific loss of G12/G13 or the Rho guanine nucleotide exchange factor ARHGEF12 have lost myogenic vasoconstriction. This defect was accompanied by loss of RhoA activation, while vessels showed normal increases in intracellular [Ca2+]. In the absence of myogenic vasoconstriction, perfusion of peripheral organs was increased, systemic vascular resistance was reduced and cardiac output and left ventricular mass were increased. In addition, animals with defective myogenic vasoconstriction showed aggravated hypotension in response to endotoxin. We conclude that G12/G13- and Rho-mediated signaling plays a key role in myogenic vasoconstriction and that myogenic tone is required to maintain local and systemic vascular resistance under physiological and pathological condition.
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Affiliation(s)
- Ramesh Chennupati
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Angela Wirth
- Institute of Pharmacology, University of Heidelberg, Heidelberg, Germany
| | - Julie Favre
- Laboratoire MITOVASC, UMR CNRS 6015 - INSERM 1083, Université d'Angers, Angers, France
| | - Rui Li
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Rémy Bonnavion
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Young-June Jin
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Astrid Wietelmann
- Scientific Service Group Nuclear Magnetic Resonance Imaging, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Frank Schweda
- Institute of Physiology, University of Regensburg, Regensburg, Germany
| | - Nina Wettschureck
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.,Centre for Molecular Medicine, Medical Faculty, JW Goethe University Frankfurt, Frankfurt, Germany.,German Center for Cardiovascular Research (DZHK), Berlin, Germany
| | - Daniel Henrion
- Laboratoire MITOVASC, UMR CNRS 6015 - INSERM 1083, Université d'Angers, Angers, France
| | - Stefan Offermanns
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.,Centre for Molecular Medicine, Medical Faculty, JW Goethe University Frankfurt, Frankfurt, Germany.,German Center for Cardiovascular Research (DZHK), Berlin, Germany
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16
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Omoumi P, Babel H, Jolles BM, Favre J. Relationships between cartilage thickness and subchondral bone mineral density in non-osteoarthritic and severely osteoarthritic knees: In vivo concomitant 3D analysis using CT arthrography. Osteoarthritis Cartilage 2019; 27:621-629. [PMID: 30611905 DOI: 10.1016/j.joca.2018.12.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 12/18/2018] [Accepted: 12/23/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To test whether subchondral bone mineral density (sBMD) and cartilage thickness (CTh) of femoral condyles are correlated in knees without and with severe medial femorotibial osteoarthritis (OA), using a subregional analysis with computerized tomography (CT) arthrography. METHODS CT arthrograms of 50 non-OA (18 males, 58.7 (interquartile range (IQR) = 6.6 years)) and 50 severe medial OA (24 males, 60.5 (IQR = 10.7) years) knees, were retrospectively analyzed. Bone and cartilage were segmented using custom-designed software, leading to 3D models on which each point of the subchondral surface is given a CTh and sBMD value. The average sBMD and CTh were then calculated for the entire weight-bearing regions as well as specific subregions of interest. Linear bivariate and multivariable analyses were performed to test for relationships between sBMD and CTh (regional and subregional measures, or medial-to-lateral ratios), with confounders of age, gender, femoral bone size and femorotibial angle. RESULTS In non-OA knees, the sBMD and CTh medial-to-lateral ratios were positively correlated for the total region and the external and internal subregions (r ≥ 0.341, P ≤ 0.015). In OA knees, sBMD and CTh medial-to-lateral ratios were negatively correlated for the total region and the external and central subregions (r ≤ -0.538, P < 0.001). Additional positive/negative relationships in the non-OA/OA knees were observed between sBMD and CTh measures in the medial compartment. CONCLUSIONS The positive correlation between sBMD and CTh in non-OA knees, and the negative one in OA knees, bring support to the theory of a subchondral bone/cartilage functional unit, which could help to better understand the pathophysiology of OA.
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Affiliation(s)
- P Omoumi
- Department of Diagnostic and Interventional Radiology, Centre Hospitalier Universitaire and University of Lausanne, Lausanne, Switzerland; Department of Radiology, Cliniques Universitaires St Luc - UC Louvain, Brussels, Belgium; Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland.
| | - H Babel
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
| | - B M Jolles
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland; Institute of Micro Engineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - J Favre
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
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17
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Edd SN, Omoumi P, Andriacchi TP, Jolles BM, Favre J. Modeling knee osteoarthritis pathophysiology using an integrated joint system (IJS): a systematic review of relationships among cartilage thickness, gait mechanics, and subchondral bone mineral density. Osteoarthritis Cartilage 2018; 26:1425-1437. [PMID: 30056214 DOI: 10.1016/j.joca.2018.06.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 06/08/2018] [Accepted: 06/26/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To introduce an integrated joint system (IJS) model of joint health and osteoarthritis (OA) pathophysiology through a systematic review of the cross-sectional relationships among three knee properties (cartilage thickness, gait mechanics, and subchondral bone mineral density). METHODS Searches using keywords associated with the three knee properties of interest were performed in PubMed, Scopus, and Ovid databases. English-language articles reporting cross-sectional correlations between at least two knee properties in healthy or tibiofemoral OA human knees were included. A narrative synthesis of the data was conducted. RESULTS Of the 5600 retrieved articles, 13 were included, eight of which reported relationships between cartilage thickness and gait mechanics. The 744 tested knees were separated into three categories based on knee health: 199 healthy, 340 at-risk/early OA, and 205 late OA knees. Correlations between knee adduction moment and medial-to-lateral cartilage thickness ratios were generally positive in healthy, inconclusive in at-risk/early OA, and negative in late OA knees. Knee adduction moment was positively correlated with medial-to-lateral tibial subchondral bone mineral density ratios in knees of all health categories. One study reported a positive correlation between lateral tibial subchondral bone mineral density and femoral cartilage thickness in at-risk/early OA knees. CONCLUSIONS The correlations identified between knee properties in this review agreed with the proposed relationship-based IJS model of OA pathophysiology. Accordingly, the IJS model could provide insights into overcoming current barriers to developing disease-modifying treatments by considering multiple aspects of OA disease, aspects that could be assessed simultaneously at an in vivo system level.
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Affiliation(s)
- S N Edd
- Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne (UNIL), Department of Musculoskeletal Medicine (DAL), Swiss BioMotion Lab, Lausanne, Switzerland.
| | - P Omoumi
- Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne (UNIL), Department of Diagnostic and Interventional Radiology, Lausanne, Switzerland.
| | - T P Andriacchi
- Department of Mechanical Engineering, Stanford, CA, USA; Palo Alto Veterans Affairs, Palo Alto, CA, USA; Department of Orthopaedic Surgery, Stanford University Medical Center, Stanford, CA, USA.
| | - B M Jolles
- Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne (UNIL), Department of Musculoskeletal Medicine (DAL), Swiss BioMotion Lab, Lausanne, Switzerland; Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering, Lausanne, Switzerland.
| | - J Favre
- Centre Hospitalier Universitaire Vaudois (CHUV), University of Lausanne (UNIL), Department of Musculoskeletal Medicine (DAL), Swiss BioMotion Lab, Lausanne, Switzerland.
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18
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Xu J, Mathur J, Vessieres E, Hammack S, Nonomura K, Favre J, Grimaud L, Petrus M, Francisco A, Li J, Lee V, Xiang FL, Mainquist J, Cahalan S, Orth A, Walker J, Ma S, Lukacs V, Bordone L, Bandell M, Laffitte B, Xu Y, Chien S, Henrion D, Patapoutian A. Abstract 374: Gpr68 Senses Blood Flow and is Essential for Vascular Physiology. Circ Res 2018. [DOI: 10.1161/res.123.suppl_1.374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Mechanotransduction plays a crucial role in vascular biology. One example of this is local regulation of vascular resistance via flow-mediated vasodilation (FMD). Impairment of this process is a hallmark of endothelial dysfunction, and a precursor to a wide array of vascular diseases such as hypertension and atherosclerosis. And yet, the molecules responsible for sensing flow (shear stress) within endothelial cells remain largely unknown. We designed a 384-well screening system that applies shear stress on cultured cells. We identified a mechanosensitive cell line that exhibits shear stress-activated calcium transients, screened a focused RNAi library, and identified GPR68 as necessary and sufficient for shear stress responses. GPR68 is expressed in endothelial cells of small diameter (resistance) arteries. Importantly, Gpr68-deficient mice display markedly impaired acute FMD and chronic flow-mediated outward remodeling in mesenteric arterioles. Therefore, GPR68 is an essential flow sensor in arteriolar endothelium, and is a critical signaling component in cardiovascular pathophysiology.
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Affiliation(s)
- Jie Xu
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Jayanti Mathur
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Emilie Vessieres
- MITOVASC institute, CARFI facility, CNRS UMR 6015; INSERM U1083; Angers Univ, Angers, France
| | - Scott Hammack
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | | | - Julie Favre
- MITOVASC institute, CARFI facility, CNRS UMR 6015; INSERM U1083; Angers Univ, Angers, France
| | - Linda Grimaud
- MITOVASC institute, CARFI facility, CNRS UMR 6015; INSERM U1083; Angers Univ, Angers, France
| | - Matt Petrus
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | | | - Jingyuan Li
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Van Lee
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Fu-li Xiang
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - James Mainquist
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | | | - Anthony Orth
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - John Walker
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Shang Ma
- The Scripps Rsch Institute, San Diego, CA
| | | | - Laura Bordone
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Michael Bandell
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Bryan Laffitte
- Genomics Institute of Novartis Rsch Foundation, San Diego, CA
| | - Yan Xu
- Indiana Univ Sch of Medicine, Indianapolis, IN
| | - Shu Chien
- Depts of Bioengineering and Medicine, Institute of Engineering In Medicine, Univ of California San Diego, La Jolla, CA
| | - Daniel Henrion
- MITOVASC institute, CARFI facility, CNRS UMR 6015; INSERM U1083; Angers Univ, Angers, France
| | - Ardem Patapoutian
- The Howard Hughes Med Institute, The Scripps Rsch Institute, San Diego, CA
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19
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Ulrich B, Edd S, Bennour S, Jolles B, Favre J. Ranges of modifications in step width and foot progression angle for everyday walking. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.1131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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20
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Guivarc'h E, Buscato M, Guihot AL, Favre J, Vessières E, Grimaud L, Wakim J, Melhem NJ, Zahreddine R, Adlanmerini M, Loufrani L, Knauf C, Katzenellenbogen JA, Katzenellenbogen BS, Foidart JM, Gourdy P, Lenfant F, Arnal JF, Henrion D, Fontaine C. Predominant Role of Nuclear Versus Membrane Estrogen Receptor α in Arterial Protection: Implications for Estrogen Receptor α Modulation in Cardiovascular Prevention/Safety. J Am Heart Assoc 2018; 7:JAHA.118.008950. [PMID: 29959137 PMCID: PMC6064913 DOI: 10.1161/jaha.118.008950] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Background Although estrogen receptor α (ERα) acts primarily as a transcription factor, it can also elicit membrane‐initiated steroid signaling. Pharmacological tools and transgenic mouse models previously highlighted the key role of ERα membrane‐initiated steroid signaling in 2 actions of estrogens in the endothelium: increase in NO production and acceleration of reendothelialization. Methods and Results Using mice with ERα mutated at cysteine 451 (ERaC451A), recognized as the key palmitoylation site required for ERα plasma membrane location, and mice with disruption of nuclear actions because of inactivation of activation function 2 (ERaAF20 = ERaAF2°), we sought to fully characterize the respective roles of nuclear versus membrane‐initiated steroid signaling in the arterial protection conferred by ERα. ERaC451A mice were fully responsive to estrogens to prevent atheroma and angiotensin II–induced hypertension as well as to allow flow‐mediated arteriolar remodeling. By contrast, ERαAF20 mice were unresponsive to estrogens for these beneficial vascular effects. Accordingly, selective activation of nuclear ERα with estetrol was able to prevent hypertension and to restore flow‐mediated arteriolar remodeling. Conclusions Altogether, these results reveal an unexpected prominent role of nuclear ERα in the vasculoprotective action of estrogens with major implications in medicine, particularly for selective nuclear ERα agonist, such as estetrol, which is currently under development as a new oral contraceptive and for hormone replacement therapy in menopausal women.
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Affiliation(s)
- Emmanuel Guivarc'h
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Mélissa Buscato
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - Anne-Laure Guihot
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Julie Favre
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Emilie Vessières
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Linda Grimaud
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Jamal Wakim
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Nada-Joe Melhem
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Rana Zahreddine
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - Marine Adlanmerini
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - Laurent Loufrani
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Claude Knauf
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - John A Katzenellenbogen
- Department of Chemistry and Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL
| | - Benita S Katzenellenbogen
- Department of Chemistry and Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL
| | - Jean-Michel Foidart
- Groupe Interdisciplinaire de Génoprotéomique Appliquée, Université de Liège, Belgium
| | - Pierre Gourdy
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - Françoise Lenfant
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - Jean-François Arnal
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
| | - Daniel Henrion
- From the institut des maladies des mitochondries, du coeur et des vaisseaux (MITOVASC) Institute, Cardiovascular Functions investigation (CARFI) Facility, Institut National de la Sante et de la Recherche Medicale (INSERM) U1083, Unité mixte de Recherche du Centre national de la recherche scientifique (UMR CNRS) 6015, University of Angers, France
| | - Coralie Fontaine
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM) U 1048, University of Toulouse 3, France
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Besnier M, Coquerel D, Favre J, Dumesnil A, Guerrot D, Remy-Jouet I, Mulder P, Djerada Z, Tamion F, Richard V, Ouvrard-Pascaud A. Protein tyrosine phosphatase 1B inactivation limits aging-associated heart failure in mice. Am J Physiol Heart Circ Physiol 2018; 314:H1279-H1288. [DOI: 10.1152/ajpheart.00049.2017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We have previously shown that protein tyrosine phosphatase 1B (PTP1B) inactivation in mice [PTP1B-deficient (PTP1B−/−) mice] improves left ventricular (LV) angiogenesis, perfusion, remodeling, and function and limits endothelial dysfunction after myocardial infarction. However, whether PTP1B inactivation slows aging-associated cardiovascular dysfunction remains unknown. Wild-type (WT) and PTP1B−/− mice were allowed to age until 18 mo. Compared with old WT mice, in which aging increased the LV mRNA expression of PTP1B, old PTP1B−/− mice had 1) reduced cardiac hypertrophy with decreased LV mRNA levels of hypertrophic markers and atrial and brain natriuretic peptides, 2) lower LV fibrosis (collagen: 16 ± 3% in WT mice and 5 ± 3% in PTP1B−/− mice, P < 0.001) with decreased mRNA levels of transforming growth-factor-β1 and matrix metalloproteinase-2, and 3) higher LV capillary density and lower LV mRNA level of hypoxic inducible factor-1α, which was associated over time with a higher rate of proangiogenic M2 type macrophages and a stable LV mRNA level of VEGF receptor-2. Echocardiography revealed an age-dependent LV increase in end-diastolic volume in WT mice together with alterations of fractional shortening and diastole (transmitral Doppler E-to-A wave ratio). Invasive hemodynamics showed better LV systolic contractility and better diastolic compliance in old PTP1B−/− mice (LV end-systolic pressure-volume relation: 13.9 ± 0.9 in WT mice and 18.4 ± 1.6 in PTP1B−/− mice; LV end-diastolic pressure-volume relation: 5.1 ± 0.8 mmHg/relative volume unit in WT mice and 1.2 ± 0.3 mmHg/relative volume unit in PTP1B−/− mice, P < 0.05). In addition, old PTP1B−/− mice displayed a reduced amount of LV reactive oxygen species. Finally, in isolated resistance mesenteric arteries, PTP1B inactivation reduced aging-associated endothelial dysfunction (flow-mediated dilatation: −0.4 ± 2.1% in WT mice and 8.2 ± 2.8% in PTP1B−/− mice, P < 0.05). We conclude that PTP1B inactivation slows aging-associated LV remodeling and dysfunction and reduces endothelial dysfunction in mesenteric arteries. NEW & NOTEWORTHY The present study shows that protein tyrosine phosphatase 1B inactivation in aged mice improves left ventricular systolic and diastolic function associated with reduced adverse cardiac remodeling (hypertrophy, fibrosis, and capillary rarefaction) and limits vascular endothelial dysfunction. This suggests that protein tyrosine phosphatase 1B inhibition could be an interesting treatment approach in age-related cardiovascular dysfunction.
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Affiliation(s)
- Marie Besnier
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - David Coquerel
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Julie Favre
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Anais Dumesnil
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Domique Guerrot
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Isabelle Remy-Jouet
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Paul Mulder
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Zoubir Djerada
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
- Medical Pharmacology, University Reims Hospital, Reims, France
| | - Fabienne Tamion
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Vincent Richard
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
| | - Antoine Ouvrard-Pascaud
- Normandie University UNIROUEN, Institut National de la Santé et de la Recherche Médicale U1096, Rouen, France
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22
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Chalon A, Favre J, Piotrowski B, Landmann V, Grandmougin D, Maureira JP, Laheurte P, Tran N. Contribution of computational model for assessment of heart tissue local stress caused by suture in LVAD implantation. J Mech Behav Biomed Mater 2018; 82:291-298. [PMID: 29649657 DOI: 10.1016/j.jmbbm.2018.03.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 03/23/2018] [Accepted: 03/26/2018] [Indexed: 10/17/2022]
Abstract
STUDY Implantation of a Left Ventricular Assist Device (LVAD) may produce both excessive local tissue stress and resulting strain-induced tissue rupture that are potential iatrogenic factors influencing the success of the surgical attachment of the LVAD into the myocardium. By using a computational simulation compared to mechanical tests, we sought to investigate the characteristics of stress-induced suture material on porcine myocardium. METHODS Tensile strength experiments (n = 8) were performed on bulk left myocardium to establish a hyperelastic reduced polynomial constitutive law. Simultaneously, suture strength tests on left myocardium (n = 6) were performed with a standard tensile test setup. Experiments were made on bulk ventricular wall with a single U-suture (polypropylene 3-0) and a PTFE pledget. Then, a Finite Element simulation of a LVAD suture case was performed. Strength versus displacement behavior was compared between mechanical and numerical experiments. Local stress fields in the model were thus analyzed. RESULTS A strong correlation between the experimental and the numerical responses was observed, validating the relevance of the numerical model. A secure damage limit of 100 kPa on heart tissue was defined from mechanical suture testing and used to describe numerical results. The impact of suture on heart tissue could be accurately determined through new parameters of numerical data (stress diffusion, triaxiality stress). Finally, an ideal spacing between sutures of 2 mm was proposed. CONCLUSION Our computational model showed a reliable ability to provide and predict various local tissue stresses created by suture penetration into the myocardium. In addition, this model contributed to providing valuable information useful to design less traumatic sutures for LVAD implantation. Therefore, our computational model is a promising tool to predict and optimize LVAD myocardial suture.
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Affiliation(s)
- A Chalon
- Ecole de Chirurgie Nancy-Lorraine, HVL, Université de Lorraine, Nancy, France; UMR INSERM 1116 DCAC, Nancy, France; Université de Lorraine, CNRS, Arts et Métiers ParisTech, LEM3, F-57000 Metz, France.
| | - J Favre
- Laboratoire Georges Friedel, ENSM-SE, UMR CNRS 5307, Saint-Etienne, France
| | - B Piotrowski
- Université de Lorraine, CNRS, Arts et Métiers ParisTech, LEM3, F-57000 Metz, France
| | - V Landmann
- Université de Lorraine, CNRS, Arts et Métiers ParisTech, LEM3, F-57000 Metz, France
| | - D Grandmougin
- Ecole de Chirurgie Nancy-Lorraine, HVL, Université de Lorraine, Nancy, France
| | - J-P Maureira
- Ecole de Chirurgie Nancy-Lorraine, HVL, Université de Lorraine, Nancy, France
| | - P Laheurte
- Université de Lorraine, CNRS, Arts et Métiers ParisTech, LEM3, F-57000 Metz, France
| | - N Tran
- Ecole de Chirurgie Nancy-Lorraine, HVL, Université de Lorraine, Nancy, France; UMR INSERM 1116 DCAC, Nancy, France
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23
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Roy C, Tabiasco J, Caillon A, Delneste Y, Merot J, Favre J, Guihot AL, Martin L, Nascimento DC, Ryffel B, Robson SC, Sévigny J, Henrion D, Kauffenstein G. Loss of vascular expression of nucleoside triphosphate diphosphohydrolase-1/CD39 in hypertension. Purinergic Signal 2017; 14:73-82. [PMID: 29236227 DOI: 10.1007/s11302-017-9597-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 11/29/2017] [Indexed: 12/21/2022] Open
Abstract
Ectonucleoside triphosphate diphosphohydrolase-1, the major vascular/immune ectonucleotidase, exerts anti-thrombotic and immunomodulatory actions by hydrolyzing extracellular nucleotides (danger signals). Hypertension is characterized by vascular wall remodeling, endothelial dysfunction, and immune infiltration. Here our aim was to investigate the impact of arterial hypertension on CD39 expression and activity in mice. Arterial expression of CD39 was determined by reverse transcription quantitative real-time PCR in experimental models of hypertension, including angiotensin II (AngII)-treated mice (1 mg/kg/day, 21 days), deoxycorticosterone acetate-salt mice (1% salt and uninephrectomy, 21 days), and spontaneously hypertensive rats. A decrease in CD39 expression occurred in the resistance and conductance arteries of hypertensive animals with no effect on lymphoid organs. In AngII-treated mice, a decrease in CD39 protein levels (Western blot) was corroborated by reduced arterial nucleotidase activity, as evaluated by fluorescent (etheno)-ADP hydrolysis. Moreover, serum-soluble ADPase activity, supported by CD39, was significantly decreased in AngII-treated mice. Experiments were conducted in vitro on vascular cells to determine the elements underlying this downregulation. We found that CD39 transcription was reduced by proinflammatory cytokines interleukin (IL)-1β and tumor necrosis factor alpha on vascular smooth muscle cells and by IL-6 and anti-inflammatory and profibrotic cytokine transforming growth factor beta 1 on endothelial cells. In addition, CD39 expression was downregulated by mechanical stretch on vascular cells. Arterial expression and activity of CD39 were decreased in hypertension as a result of both a proinflammatory environment and mechanical strain exerted on vascular cells. Reduced ectonucleotidase activity may alter the vascular condition, thus enhancing arterial damage, remodeling, or thrombotic events.
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Affiliation(s)
- Charlotte Roy
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France
| | - Julie Tabiasco
- CNRS UMR 6299, INSERM 892, CRCNA, University of Angers, Angers, France
| | - Antoine Caillon
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France
| | - Yves Delneste
- CNRS UMR 6299, INSERM 892, CRCNA, University of Angers, Angers, France.,University Hospital of Angers, Angers, France
| | - Jean Merot
- L'institut du thorax, INSERM, CNRS, UNIV Nantes, Nantes, France
| | - Julie Favre
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France
| | - Anne Laure Guihot
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France
| | - Ludovic Martin
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France.,University Hospital of Angers, Angers, France
| | - Daniele C Nascimento
- CNRS, UMR 7355, Orleans, France.,CNRS UMR 7355, INEM, University of Orleans, Orleans, France
| | - Bernhard Ryffel
- CNRS, UMR 7355, Orleans, France.,CNRS UMR 7355, INEM, University of Orleans, Orleans, France
| | - Simon C Robson
- Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Harvard University, Boston, MA, USA
| | - Jean Sévigny
- Département de microbiologie-infectiologie et d'immunologie, Faculté de Médecine, Université Laval, Québec City, QC, G1V 0A6, Canada.,Centre de recherche du CHU de Québec - Université Laval, Québec City, QC, G1V 4G2, Canada
| | - Daniel Henrion
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France.,University Hospital of Angers, Angers, France
| | - Gilles Kauffenstein
- MITOVASC Institute - UMR CNRS 6015 INSERM U1083 University of Angers, Angers, France. .,University Hospital of Angers, Angers, France.
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Bennour S, Ulrich B, Legrand T, Jolles B, Favre J. Effects of foot progression angle on knee biomechanics during gait modification. Comput Methods Biomech Biomed Engin 2017; 20:17-18. [DOI: 10.1080/10255842.2017.1382839] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- S. Bennour
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
- Mechanical Laboratory of Sousse, National Engineering School of Sousse, University of Sousse, Tunisia
| | - B. Ulrich
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
| | - T. Legrand
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
| | - B. Jolles
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
- Institute of Microengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - J. Favre
- Swiss BioMotion Lab, Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
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Chehab E, Andriacchi T, Favre J. Speed, age, sex, and body mass index provide a rigorous basis for comparing the kinematic and kinetic profiles of the lower extremity during walking. J Biomech 2017; 58:11-20. [DOI: 10.1016/j.jbiomech.2017.04.014] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 03/31/2017] [Accepted: 04/09/2017] [Indexed: 10/19/2022]
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Edd SN, Favre J, Blazek K, Omoumi P, Asay JL, Andriacchi TP. Altered gait mechanics and elevated serum pro-inflammatory cytokines in asymptomatic patients with MRI evidence of knee cartilage loss. Osteoarthritis Cartilage 2017; 25:899-906. [PMID: 28064033 DOI: 10.1016/j.joca.2016.12.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 12/19/2016] [Accepted: 12/28/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To test if sagittal plane gait mechanics parameters and serum inflammation levels differ between healthy asymptomatic subjects and asymptomatic subjects with magnetic resonance imaging (MRI) evidence of cartilage loss. DESIGN Gait mechanics and resting serum tumor necrosis factor-α (TNFα) concentrations were measured for two groups of asymptomatic subjects recruited for a previous study: Pre-Osteoarthritis (OA) subjects had MRI evidence of partial- or full-thickness knee cartilage loss in at least one compartment (n = 52 (30 female), 1.7 ± 0.1 m, 85.3 ± 18.9 kg, 44 ± 11 years); Control subjects had no MRI features of cartilage loss, osteophytes, bone marrow lesions, nor meniscal pathology in either knee (n = 26 (13 female), 1.7 ± 0.1 m, 74.6 ± 14.9 kg, 34 ± 10 years). Discrete measures of sagittal plane gait kinematics and kinetics were compared between subject groups and adjusted for age and body mass index (BMI) using analysis of covariance (ANCOVA). Serum TNFα concentrations were compared between groups using bootstrap t-test. RESULTS The Pre-OA group had less extended knees (P = 0.021) and decreased maximum external knee extension moment (P = 0.0062) in terminal stance during gait, as well as increased resting serum TNFα concentration (P = 0.040) as compared to Control subjects. There were no group differences in heel strike flexion angle (P = 0.14), in maximum knee flexion moment (P = 0.91), nor in first peak knee adduction moment (KAM) (post-hoc analysis, P = 0.39). CONCLUSIONS The finding that asymptomatic subjects with cartilage loss had gait and inflammatory characteristics similar to those previously reported in symptomatic OA patients supports the idea that there are specific mechanical and biological factors that precede the onset of knee pain in the pathogenesis of OA.
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Affiliation(s)
- S N Edd
- Department of Mechanical Engineering, Stanford, CA, USA; Palo Alto Veterans Affairs, Palo Alto, CA, USA; Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland.
| | - J Favre
- Department of Musculoskeletal Medicine, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland.
| | - K Blazek
- Department of Mechanical Engineering, Stanford, CA, USA; Palo Alto Veterans Affairs, Palo Alto, CA, USA.
| | - P Omoumi
- Department of Diagnostic and Interventional Radiology, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland.
| | - J L Asay
- Department of Mechanical Engineering, Stanford, CA, USA; Palo Alto Veterans Affairs, Palo Alto, CA, USA.
| | - T P Andriacchi
- Department of Mechanical Engineering, Stanford, CA, USA; Palo Alto Veterans Affairs, Palo Alto, CA, USA; Department of Orthopaedic Surgery, Stanford University Medical Center, Stanford, CA, USA.
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Favre J, Roy-Vessieres E, Guilbaud Guihot A, Grimaud L, Loufrani L, Lenfant F, Arnal J, Henrion D. Deficiency in Estrogen Receptor alpha membrane signaling is responsible for premature vascular dysfunction in response to flow shear stress in male mice. Archives of Cardiovascular Diseases Supplements 2017. [DOI: 10.1016/s1878-6480(17)30478-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Wils J, Favre J, Bellien J. Modulating putative endothelial progenitor cells for the treatment of endothelial dysfunction and cardiovascular complications in diabetes. Pharmacol Ther 2016; 170:98-115. [PMID: 27773788 DOI: 10.1016/j.pharmthera.2016.10.014] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Diabetes induces a decrease in the number and function of different pro-angiogenic cell types generically designated as putative endothelial progenitor cells (EPC), which encompasses cells from myeloid origin that act in a paracrine fashion to promote angiogenesis and putative "true" EPC that contribute to endothelial replacement. This not only compromises neovasculogenesis in ischemic tissues but also impairs, at an early stage, the reendotheliziation process at sites of injury, contributing to the development of endothelial dysfunction and cardiovascular complications. Hyperglycemia, insulin resistance and dyslipidemia promote putative EPC dysregulation by affecting the SDF-1/CXCR-4 and NO pathways and the p53/SIRT1/p66Shc axis that contribute to their mobilization, migration, homing and vasculogenic properties. To optimize the clinical management of patients with hypoglycemic agents, statins and renin-angiotensin system inhibitors, which display pleiotropic effects on putative EPC, is a first step to improve their number and angiogenic potential but specific strategies are needed. Among them, mobilizing therapies based on G-CSF, erythropoietin or CXCR-4 antagonism have been developed to increase putative EPC number to treat ischemic diseases with or without prior cell isolation and transplantation. Growth factors, genetic and pharmacological strategies are also evaluated to improve ex vivo cultured EPC function before transplantation. Moreover, pharmacological agents increasing in vivo the bioavailability of NO and other endothelial factors demonstrated beneficial effects on neovascularization in diabetic ischemic models but their effects on endothelial dysfunction remain poorly evaluated. More experiments are warranted to develop orally available drugs and specific agents targeting p66Shc to reverse putative EPC dysfunction in the expected goal of preventing endothelial dysfunction and diabetic cardiovascular complications.
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Affiliation(s)
- Julien Wils
- Department of Pharmacology, Rouen University Hospital, Rouen, France; Institut National de la Santé et de la Recherche Médicale (INSERM) U1096, Rouen, France; University of Rouen, Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Julie Favre
- MITOVASC Institute, Angers, France; Centre National de la Recherche Scientifique (CNRS) UMR 6214, Angers, France; INSERM U1083, Angers, France; University of Angers, Angers, France
| | - Jérémy Bellien
- Department of Pharmacology, Rouen University Hospital, Rouen, France; Institut National de la Santé et de la Recherche Médicale (INSERM) U1096, Rouen, France; University of Rouen, Institute for Research and Innovation in Biomedicine, Rouen, France.
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29
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Le Besnerais M, Favre J, Denis CV, Mulder P, Martinet J, Nicol L, Levesque H, Veyradier A, Kopić A, Motto DG, Coppo P, Richard V, Benhamou Y. Assessment of endothelial damage and cardiac injury in a mouse model mimicking thrombotic thrombocytopenic purpura. J Thromb Haemost 2016; 14:1917-1930. [PMID: 27501520 DOI: 10.1111/jth.13439] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 07/18/2016] [Indexed: 01/01/2023]
Abstract
Essentials Endothelial injury is thought to be a key event in thrombotic thrombocytopenic purpura (TTP). Endothelial and cardiac damages were assessed in a model of TTP using ADAMTS-13 knockout mice. Damages of cardiac perfusion and function were associated with nitric oxide pathway alteration. Endothelial dysfunction constitutes a critical event in TTP development and cardiac injury. SUMMARY Background Cardiac alterations represent a major cause of mortality in patients with thrombotic thrombocytopenic purpura (TTP). Endothelial injury remains poorly defined, but seems to be a key initiating event leading to the formation of platelet-rich thrombi in TTP patients. Objectives To assess the changes in endothelial function and the induced cardiac damage in a mouse model of TTP. Patients/methods We used an animal model in which TTP-like symptoms are triggered by injection of 2000 units kg-1 of recombinant von Willebrand factor in ADAMTS-13 knockout mice. Results These mice developed TTP-like symptoms, i.e. severe thrombocytopenia, schistocytosis, and anemia. On day 2, magnetic resonance imaging demonstrated a decrease in left ventricular perfusion associated with alteration of left ventricular ejection fraction, fractional shortening, and cardiac output, suggesting early systolic dysfunction. This was associated with decrease in endothelium-mediated relaxation responses to acetylcholine in mesenteric and coronary arteries, demonstrating severe early endothelial dysfunction. In parallel, we showed decreased cardiac expression of endothelial nitric oxide (NO) synthase and increased expression of antioxidant enzymes, suggesting alteration of the NO pathway. At this time, cardiac immunohistochemistry revealed an increase in the expression of VCAM-1 and E-selectin. Conclusion This study provides evidence that the heart is a sensitive target organ in TTP, and shows, for the first time, strong mesenteric and coronary endothelial dysfunction in an induced-TTP model. The mechanisms incriminated are the occurrence of a pro-oxidant state, and proadhesive and proinflammatory phenotypes. This previously largely unrecognized vascular dysfunction may represent an important contributor to the systemic organ failure occurring in TTP.
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Affiliation(s)
- M Le Besnerais
- Service de Médecine Interne, CHU Charles Nicolle, Rouen, France
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France
- Centre de Référence des Microangiopathies Thrombotiques, Hôpital Saint-Antoine, AP-HP, Paris, France
| | - J Favre
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France
| | - C V Denis
- INSERM UMR S 1176, Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - P Mulder
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France
| | - J Martinet
- INSERM U905, UFR médecine pharmacie Rouen, Rouen, France
| | - L Nicol
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France
| | - H Levesque
- Service de Médecine Interne, CHU Charles Nicolle, Rouen, France
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France
| | - A Veyradier
- Service d'hématologie biologique, Hôpital Lariboisière, AP-HP, Paris, France
- EA3518, IUH Saint Louis, Université Paris-Diderot, Paris, France
| | - A Kopić
- Baxalta Innovations GmbH, Vienna, Austria
| | - D G Motto
- Bloodworks Northwest Research Institute, Seattle, WA, USA
| | - P Coppo
- Centre de Référence des Microangiopathies Thrombotiques, Hôpital Saint-Antoine, AP-HP, Paris, France
- Service d'Hématologie, Hôpital Saint-Antoine, AP-HP, Paris, France
- Institut Gustave Roussy, INSERM U1170, Villejuif, France
| | - V Richard
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France
| | - Y Benhamou
- Service de Médecine Interne, CHU Charles Nicolle, Rouen, France.
- INSERM U1096, UFR médecine pharmacie Rouen, Rouen, France.
- Centre de Référence des Microangiopathies Thrombotiques, Hôpital Saint-Antoine, AP-HP, Paris, France.
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Abstract
Cannula design is of prime importance for venous drainage during cardiopulmonary bypass (CPB). To evaluate cannulas intended for CPB, an in vitro circuit was set up with silicone tubing between the test cannula encased in a movable preload reservoir and another static reservoir. The pressure-drop ( ΔP) value (P-drainage – P-preload) was measured using Millar pressure transducers. Flow rate ( Q) was measured using an ultrasound flowmeter. Data display and data recording were controlled using a LabView application, custom made particularly for our experiments. Our results demonstrated that ΔP, Q, and cannula resistance ( ΔP/Q) values were significantly decreased when the cannula diameter was increased for Smart and Medtronic cannulas. Smartcanula® showed 36% and 43% less resistance compared to Medtronic venous and Medtronic femoral cannulas, respectively. The cannula shape (straight- or curved-tips) did not affect the DLP cannula resistance. Out of five cannulas tested, the Smartcanula® outperforms the other commercially available cannulas. The mean ( ΔP/Q) values were 3.3 ± 0.08, 4.07 ± 0.08, 5.58 ± 0.10, 5.74 ± 0.15, and 6.45 ± 0.15 for Smart, Medtronic, Edwards, Sarns, and Gambro cannulas, respectively (two-way ANOVA, p < 0.0001). In conclusion, the present assay allows discrimination between different forms of cannula with high or low lumen resistance.
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Affiliation(s)
- S Abdel-Sayed
- Department of Cardio-Vascular Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - J Favre
- Laboratory for Movement Analysis and Measurement, Swiss Federal Institute of Technology, Lausanne, Switzerland
| | - J Horisberger
- Department of Cardio-Vascular Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - S Taub
- Department of Cardio-Vascular Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - D Hayoz
- Department of Internal Medicine, Hôpital cantonal, Fribourg, Switzerland
| | - LK von Segesser
- Department of Cardio-Vascular Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
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31
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Tarhouni K, Guihot A, Vessieres E, Procaccio V, Grimaud L, Abraham P, Lenfant F, Arnal J, Favre J, Loufrani L, Henrion D. Estrogens are needed for the improvement in endothelium-mediated dilation induced by a chronic increase in blood flow in rat mesenteric arteries. Vascul Pharmacol 2016; 80:35-42. [DOI: 10.1016/j.vph.2015.10.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 10/05/2015] [Accepted: 10/09/2015] [Indexed: 01/02/2023]
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Roche C, Soudey A, Coquerel D, Favre J, Le Besnerais M, Lejeune A, Dumesnil A, Hamzaoui M, Richard V, Bellien J, Guerrot D. 0377 : Soluble epoxide hydrolase inhibition reduces the cardiovascular consequences of renal ischemia-reperfusion. Archives of Cardiovascular Diseases Supplements 2016. [DOI: 10.1016/s1878-6480(16)30441-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Gueret A, Harouki N, Favre J, Galmiche G, Nicol L, Henry JP, Besnier M, Thuillez C, Richard V, Kolkhof P, Mulder P, Jaisser F, Ouvrard-Pascaud A. Vascular Smooth Muscle Mineralocorticoid Receptor Contributes to Coronary and Left Ventricular Dysfunction After Myocardial Infarction. Hypertension 2016; 67:717-23. [DOI: 10.1161/hypertensionaha.115.06709] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Accepted: 01/25/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Alexandre Gueret
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Najah Harouki
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Julie Favre
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Guillaume Galmiche
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Lionel Nicol
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Jean-Paul Henry
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Marie Besnier
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Christian Thuillez
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Vincent Richard
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Peter Kolkhof
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Paul Mulder
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Frédéric Jaisser
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
| | - Antoine Ouvrard-Pascaud
- From the Institut National de la Santé et de la Recherche Médicale (Inserm) U1096, Rouen, France (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.); Institute for Research and Innovative Biomedicine (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), UFR Médecine-Pharmacie (A.G., N.H., J.F., L.N., J.-P.H., M.B., C.T., V.R., P.M., A.O.-P.), and Plateau d’Imagerie Cardio-Thoracique de l’Université de Rouen (PICTUR) (L.N., C.T., P.M.), Normandy-University, Rouen, France
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Guivarc’H E, Guihot AL, Favre J, Vessières E, Wakim J, Arnal JF, Lenfant F, Loufrani L, Henrion D. 0020 : Mechanisms of the protective effect of the estrogen receptor alpha in hypertension and aging. Archives of Cardiovascular Diseases Supplements 2016. [DOI: 10.1016/s1878-6480(16)30479-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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35
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Gueret A, Harouki N, Favre J, Galmiche G, Nicol L, Henry JP, Thuillez C, Richard V, Kolkhof P, Mulder P, Ouvrard-Pascaud A, Jaisser F. 0542 : Vascular smooth muscle mineralocorticoid receptor contributes to coronary and left ventricular dysfunction after myocardial infarction. Archives of Cardiovascular Diseases Supplements 2016. [DOI: 10.1016/s1878-6480(16)30415-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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36
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Yıldırım C, Favre J, Weijers EM, Fontijn RD, van Wijhe MH, van Vliet SJ, Boon RA, Koolwijk P, van der Pouw Kraan TCTM, Horrevoets AJG. IFN-β affects the angiogenic potential of circulating angiogenic cells by activating calpain 1. Am J Physiol Heart Circ Physiol 2015; 309:H1667-78. [DOI: 10.1152/ajpheart.00810.2014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 09/01/2015] [Indexed: 01/15/2023]
Abstract
Circulating angiogenic cells (CACs) are monocyte-derived cells with endothelial characteristics, which contribute to both angiogenesis and arteriogenesis in a paracrine way. Interferon-β (IFN-β) is known to inhibit these divergent processes in animals and patients. We hypothesized that IFN-β might act by affecting the differentiation and function of CACs. CACs were cultured from peripheral blood mononuclear cells and phenotypically characterized by surface expression of monocytic and endothelial markers. IFN-β significantly reduced the number of CACs by 18–64%. Apoptosis was not induced by IFN-β, neither in mononuclear cells during differentiation, nor after maturation to CACs. Rather, IFN-β impaired adhesion to, and spreading on, fibronectin, which was dependent on α5β1 (VLA-5)-integrin. IFN-β affected the function of VLA-5 in mature CACs, leading to rounding and detachment of cells, by induction of calpain 1 activity. Cell rounding and detachment was completely reversed by inhibition of calpain 1 activity in mature CACs. During in vitro capillary formation, CAC addition and calpain 1 inhibition enhanced sprouting of endothelial cells to a comparable extent, but were not sufficient to rescue tube formation in the presence of IFN-β. We show that the IFN-β-induced reduction of the numbers of in vitro differentiated CACs is based on activation of calpain 1, resulting in an attenuated adhesion to extracellular matrix proteins via VLA-5. In vivo, this could lead to inhibition of vessel formation due to reduction of the locally recruited CAC numbers and their paracrine angiogenic factors.
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Affiliation(s)
- Cansu Yıldırım
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Julie Favre
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Ester M. Weijers
- Department of Physiology, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center, Amsterdam, The Netherlands; and
| | - Ruud D. Fontijn
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Michiel H. van Wijhe
- Department of Physiology, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center, Amsterdam, The Netherlands; and
| | - Sandra J. van Vliet
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Reinier A. Boon
- Institute for Cardiovascular Regeneration, Centre for Molecular Medicine, Goethe University, Frankfurt, Germany
| | - Pieter Koolwijk
- Department of Physiology, Institute for Cardiovascular Research (ICaR-VU), VU University Medical Center, Amsterdam, The Netherlands; and
| | | | - Anton J. G. Horrevoets
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
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Favre J, Yildirim C, Leyen TA, Chen WJY, van Genugten RE, van Golen LW, Garcia-Vallejo JJ, Musters R, Baggen J, Fontijn R, van der Pouw Kraan T, Serné E, Koolwijk P, Diamant M, Horrevoets AJG. Palmitic acid increases pro-oxidant adaptor protein p66Shc expression and affects vascularization factors in angiogenic mononuclear cells: Action of resveratrol. Vascul Pharmacol 2015; 75:7-18. [PMID: 26254104 DOI: 10.1016/j.vph.2015.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 07/04/2015] [Accepted: 08/03/2015] [Indexed: 10/23/2022]
Abstract
A defect in neo-vascularization process involving circulating angiogenic mononuclear cells (CACs) dysfunction is associated with diabetes. We showed that oxidative stress was elevated in CACs cultured from blood of individuals with metabolic syndrome (MetS) and diabetes. We then assessed the action of palmitic acid (PA), a deregulated and increased NEFA in metabolic disorders, focusing on its oxidant potential. We observed that the phyto-polyphenol resveratrol normalized oxidative stress both in CACs isolated from MetS patients or treated with PA. Resveratrol further decreased the deleterious action of PA on gene expression of vascularization factors (TNFα, VEGF-A, SDF1α, PECAM-1, VEGFR2, Tie2 and CXCR4) and improved CAC motility. Particularly, resveratrol abolished the PA-induced over-expression of the pro-oxidant protein p66Shc. Neither KLF2 nor SIRT1, previously shown in resveratrol and p66Shc action, was directly involved. Silencing p66Shc normalized PA action on VEGF-A and TNFα specifically, without abolishing the PA-induced oxidative stress, which suggests a deleterious role of p66Shc independently of any major modulation of the cellular oxidative status in a high NEFA levels context. Besides showing that resveratrol reverses PA-induced harmful effects on human CAC function, certainly through profound cellular modifications, we establish p66Shc as a major therapeutic target in metabolic disorders, independent from glycemic control.
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Affiliation(s)
- Julie Favre
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Cansu Yildirim
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Thomas A Leyen
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Weena J Y Chen
- Department of Diabetes Center Internal medicine, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Renate E van Genugten
- Department of Diabetes Center Internal medicine, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Larissa W van Golen
- Department of Diabetes Center Internal medicine, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Juan-Jesus Garcia-Vallejo
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Rene Musters
- Department of Physiology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Josefien Baggen
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Ruud Fontijn
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Tineke van der Pouw Kraan
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Erik Serné
- Department of Diabetes Center Internal medicine, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Pieter Koolwijk
- Department of Physiology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Michaela Diamant
- Department of Diabetes Center Internal medicine, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands
| | - Anton J G Horrevoets
- Department of Molecular Cell Biology, VU University Medical Center, van der Boechorstraat 7, 1081BT Amsterdam, The Netherlands.
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Finci L, Chatelain P, Meier B, Steffenino G, Favre J, Righetti A, Rutishauser W. Coronary angioplasty in silent and painful myocardial ischemia. Adv Cardiol 2015; 37:278-87. [PMID: 2220455 DOI: 10.1159/000418835] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- L Finci
- Cardiology Center, University Hospital, Geneva, Switzerland
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Favre J, Vessière E, Guihot AL, Grimaud L, Arnal JF, Lenfant F, Loufrani L, Henrion D. 0329 : Role of the estrogen receptor alpha (ERalpha) in the vascular response to shear stress in mice. Archives of Cardiovascular Diseases Supplements 2015. [DOI: 10.1016/s1878-6480(15)30034-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Gueret A, Harouki N, Galmiche G, Favre J, Nicol L, Henry JP, Besnier M, Thuillez C, Richard V, Kolkhof P, Mulder P, Jaisser F, Ouvrard-Pascaud A. 0316 : Vascular smooth muscle mineralocorticoid receptor contributes to coronary and left ventricular dysfunction after myocardial infarction. Archives of Cardiovascular Diseases Supplements 2015. [DOI: 10.1016/s1878-6480(15)30159-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Abstract
Venous cannula orifice obstruction is an underestimated problem during augmented cardiopulmonary bypass (CPB), which can potentially be reduced with redesigned, virtually wall-less cannula designs versus traditional percutaneous control venous cannulas. A bench model, allowing for simulation of the vena cava with various affluent orifices, venous collapse and a worst case scenario with regard to cannula position, was developed. Flow (Q) was measured sequentially for right atrial + hepatic + renal + iliac drainage scenarios, using a centrifugal pump and an experimental bench set-up (afterload 60 mmHg). At 1500, 2000 and 2500 RPM and atrial position, the Q values were 3.4, 6.03 and 8.01 versus 0.77*, 0.43* and 0.58* l/min: p<0.05* for wall-less and the Biomedicus® cannula, respectively. The corresponding pressure values were -15.18, -31.62 and -74.53 versus -46.0*, -119.94* and -228.13* mmHg. At the hepatic position, the Q values were 3.34, 6.67 and 9.26 versus 2.3*, 0.42* and 0.18* l/min; and the pressure values were -10.32, -20.25 and -42.83 versus -23.35*, -119.09* and -239.38* mmHg. At the renal position, the Q values were 3.43, 6.56 and 8.64 versus 2.48*, 0.41* and 0.22* l/min and the pressure values were -9.64, -20.98 and -63.41 versus -20.87 -127.68* and -239* mmHg, respectively. At the iliac position, the Q values were 3.43, 6.01 and 9.25 versus 1.62*, 0.55* and 0.58* l/min; the pressure values were -9.36, -33.57 and -44.18 versus -30.6*, -120.27* and -228* mmHg, respectivly. Our experimental evaluation demonstrates that the redesigned, virtually wall-less cannulas, allowing for direct venous drainage at practically all intra-venous orifices, outperform the commercially available control cannula, with superior flow at reduced suction levels for all scenarios tested.
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Affiliation(s)
- S Abdel-Sayed
- Cardiovascular Research, Department of Cardio-Vascular Surgery, University Hospital-CHUV, Lausanne, Switzerland
| | - J Favre
- Laboratory of Movement Analysis and Measurement, Ecole Polytechnique Fédéral de Lausanne, Lausanne, Switzerland
| | - LK von Segesser
- Cardiovascular Research, Department of Cardio-Vascular Surgery, University Hospital-CHUV, Lausanne, Switzerland
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42
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Fontijn RD, Favre J, Naaijkens BA, Meinster E, Paauw NJ, Ragghoe SL, Nauta TD, van den Broek MA, Weijers EM, Niessen HW, Koolwijk P, Horrevoets AJ. Adipose tissue-derived stromal cells acquire endothelial-like features upon reprogramming with SOX18. Stem Cell Res 2014; 13:367-78. [PMID: 25290189 DOI: 10.1016/j.scr.2014.09.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 07/29/2014] [Accepted: 09/17/2014] [Indexed: 01/08/2023] Open
Abstract
Adipose tissue-derived stromal cells (ASC) form a rich source of autologous cells for use in regenerative medicine. In vitro induction of an endothelial phenotype may improve performance of ASCs in cardiovascular repair. Here, we report on an in vitro strategy using direct reprogramming of ASCs by means of ectopic expression of the endothelial-specific transcription factor SRY (sex determining region Y)-box18 (SOX18). SOX18 induces ASCs to express a set of genes involved in vascular patterning: MMP7, KDR, EFNB2, SEMA3G and CXCR4. Accordingly, SOX18 transduced ASCs reorganize under conditions of shear stress, display VEGF-induced chemotaxis and form tubular structures in 3D matrices in an MMP7-dependent manner. These in vitro findings provide insight into molecular and cellular processes downstream of SOX18 and show that reprogramming using SOX18 is sufficient to induce several endothelial-like features in ASCs.
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Affiliation(s)
- R D Fontijn
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - J Favre
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - B A Naaijkens
- Department of Pathology and Cardiac Surgery, VU University Medical Center, de Boelelaan 117, 1081 HV Amsterdam, The Netherlands.
| | - E Meinster
- Department of Pathology and Cardiac Surgery, VU University Medical Center, de Boelelaan 117, 1081 HV Amsterdam, The Netherlands.
| | - N J Paauw
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - S L Ragghoe
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - T D Nauta
- Laboratory for Physiology, Institute for Cardiovascular Research, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - M A van den Broek
- Laboratory for Physiology, Institute for Cardiovascular Research, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - E M Weijers
- Laboratory for Physiology, Institute for Cardiovascular Research, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - H W Niessen
- Department of Pathology and Cardiac Surgery, VU University Medical Center, de Boelelaan 117, 1081 HV Amsterdam, The Netherlands.
| | - P Koolwijk
- Laboratory for Physiology, Institute for Cardiovascular Research, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
| | - A J Horrevoets
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
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Soudey A, Coquerel D, Favre J, Roche C, Le Besnerais M, Lejeune A, Dumesnil A, Richard V, Bellien J, Guerrot D. L’inhibition de l’époxyde hydrolase soluble prévient les conséquences cardiaques et vasculaires de l’insuffisance rénale post-ischémie-reperfusion. Nephrol Ther 2014. [DOI: 10.1016/j.nephro.2014.07.261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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44
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Treleaven J, Gadd E, Cullis J, Favre J, McLeod A, Meller S, Milligan D, Neilson R, Quinn B, Webb A, Wimperis J. Guidelines on obtaining consent for systemic anti-cancer therapy in adults. ACTA ACUST UNITED AC 2013; 17:249-54. [PMID: 22971529 DOI: 10.1179/1607845412y.0000000022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
This guideline, initially drawn up for use in the UK, is essentially based on ethical principles and should be applicable across other jurisdictions. The document specifically addresses the issues which surround obtaining consent from adults for the administration of systemic anti-cancer therapy in the haemato-oncology setting. Consenting to a treatment or procedure is a complex medical, ethical, and legal issue. The process of obtaining consent and the general steps that should be taken by the healthcare professional involved in obtaining consent from a patient are discussed, and the potential legal and ethical pitfalls which can be encountered are outlined. Of fundamental importance are the requirements that agreement must be given voluntarily, based on adequate information, and the patient must have the ability to understand and retain the information given and be in a position to use it in order to reach a decision. The consenting process should include an explanation of the expected outcomes and possible side effects of treatment even if these are unlikely to occur, and the nature of the consenting process undertaken should be clearly documented. Obtaining consent in an emergency situation is also discussed, as is the process of consenting in individuals with impaired capacity or special needs. Withdrawal of consent and refusal of treatment are also considered.
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Abstract
BACKGROUND The role of bone marrow-derived cells in stimulating angiogenesis, vascular repair or remodelling has been well established, but the nature of the circulating angiogenic cells is still controversial. DESIGN The existing literature on different cell types that contribute to angiogenesis in multiple pathologies, most notably ischaemic and tumour angiogenesis, is reviewed, with a focus on subtypes of angiogenic mononuclear cells and their local recruitment and activation. RESULTS A large number of different cells of myeloid origin support angiogenesis without incorporating permanently into the newly formed vessel, which distinguishes these circulating angiogenic cells (CAC) from endothelial progenitor cells (EPC). Although CAC frequently express individual endothelial markers, they all share multiple characteristics of monocytes and only express a limited set of discriminative surface markers in the circulation. When cultured ex vivo, or surrounding the angiogenic vessel in vivo, however, many of them acquire similar additional markers, making their discrimination in situ difficult. CONCLUSION Different subsets of monocytes show angiogenic properties, but the distinct microenvironment, in vitro or in vivo, is needed for the development of their pro-angiogenic function.
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Affiliation(s)
- Julie Favre
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, the Netherlands
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46
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Erhart-Hledik JC, Favre J, Asay JL, Smith RL, Giori NJ, Mündermann A, Andriacchi TP. A relationship between mechanically-induced changes in serum cartilage oligomeric matrix protein (COMP) and changes in cartilage thickness after 5 years. Osteoarthritis Cartilage 2012; 20:1309-15. [PMID: 22868052 DOI: 10.1016/j.joca.2012.07.018] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2012] [Revised: 07/12/2012] [Accepted: 07/24/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To evaluate the hypothesis that a mechanical stimulus (30-min walk) will produce a change in serum concentrations of cartilage oligomeric matrix protein (COMP) that is associated with cartilage thickness changes on magnetic resonance imaging (MRI). METHODS Serum COMP concentrations were measured by enzyme-linked immunosorbent assay in 17 patients (11 females, age: 59.0±9.2 years) with medial compartment knee osteoarthritis (OA) at study entry immediately before, immediately after, 3.5 h, and 5.5 h after a 30-min walking activity. Cartilage thickness changes in the medial femur and medial tibia were determined from MR images taken at study entry and at 5-year follow-up. Relationships between changes in cartilage thickness and COMP levels, with post-activity concentrations expressed as a percentage of pre-activity levels, were assessed by the calculation of Pearson correlation coefficients and by multiple linear regression analysis, with adjustments for age, sex, and body mass index (BMI). RESULTS Changes in COMP levels 3.5 h and 5.5 h post-activity were correlated with changes in cartilage thickness in the medial femur and tibia at the 5-year follow-up. The results were strengthened after analyses were adjusted for age, sex, and BMI. Neither baseline pre-activity COMP levels nor changes in COMP levels immediately post-activity were correlated with cartilage thickness changes. CONCLUSIONS The results of this study support the hypothesis that a change in COMP concentration induced by a mechanical stimulus is associated with cartilage thinning at 5 years. Mechanically-induced changes in mechano-sensitive biomarkers should be further explored in the context of stimulus-response models to improve the ability to assess OA progression.
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Affiliation(s)
- J C Erhart-Hledik
- Center for Tissue Regeneration, Repair, and Restoration, Palo Alto VA, Palo Alto, CA, United States.
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Rouhani H, Favre J, Crevoisier X, Jolles B, Aminian K. A comparison between joint coordinate system and attitude vector for multi-segment foot kinematics. J Biomech 2012; 45:2041-5. [DOI: 10.1016/j.jbiomech.2012.05.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Revised: 05/08/2012] [Accepted: 05/13/2012] [Indexed: 10/28/2022]
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48
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Rouhani H, Favre J, Aminian K, Crevoisier X. Multi-segment foot kinematics after total ankle replacement and ankle arthrodesis during relatively long-distance gait. Gait Posture 2012; 36:561-6. [PMID: 22763319 DOI: 10.1016/j.gaitpost.2012.05.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Revised: 05/11/2012] [Accepted: 05/20/2012] [Indexed: 02/02/2023]
Abstract
This study aimed to investigate the influence of ankle osteoarthritis (AOA) treatments, i.e., ankle arthrodesis (AA) and total ankle replacement (TAR), on the kinematics of multi-segment foot and ankle complex during relatively long-distance gait. Forty-five subjects in four groups (AOA, AA, TAR, and control) were equipped with a wearable system consisting of inertial sensors installed on the tibia, calcaneus, and medial metatarsals. The subjects walked 50-m twice while the system measured the kinematic parameters of their multi-segment foot: the range of motion of joints between tibia, calcaneus, and medial metatarsals in three anatomical planes, and the peaks of angular velocity of these segments in the sagittal plane. These parameters were then compared among the four groups. It was observed that the range of motion and peak of angular velocities generally improved after TAR and were similar to the control subjects. However, unlike AOA and TAR, AA imposed impairments in the range of motion in the coronal plane for both the tibia-calcaneus and tibia-metatarsals joints. In general, the kinematic parameters showed significant correlation with established clinical scales (FFI and AOFAS), which shows their convergent validity. Based on the kinematic parameters of multi-segment foot during 50-m gait, this study showed significant improvements in foot mobility after TAR, but several significant impairments remained after AA.
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Affiliation(s)
- H Rouhani
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Laboratory of Movement Analysis and Measurement, Lausanne, Switzerland.
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49
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Piech C, Joly P, Favre E, Favre J, Plesse J, Biard B, Dubois C, Marchesseau A, Roger H, Fouilloux B, Fournier A, Garcier F, Antoniotti O, Joubert J, Frank F, Gentil-Perret A, Godard W, Soulier K, D’Incan M. Les pemphigoïdes bulleuses suivies en ville et à l’hôpital sont-elles comparables ? Ann Dermatol Venereol 2011. [DOI: 10.1016/j.annder.2011.09.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Rouhani H, Crevoisier X, Favre J, Aminian K. Outcome evaluation of ankle osteoarthritis treatments: plantar pressure analysis during relatively long-distance walking. Clin Biomech (Bristol, Avon) 2011; 26:397-404. [PMID: 21168247 DOI: 10.1016/j.clinbiomech.2010.11.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2010] [Revised: 11/04/2010] [Accepted: 11/15/2010] [Indexed: 02/07/2023]
Abstract
BACKGROUND This study aimed to use plantar pressure analysis in relatively long-distance walking for objective outcome evaluation of ankle osteoarthritis treatments, i.e., ankle arthrodesis and total ankle replacement. METHODS Forty-seven subjects in four groups: three patient groups and controls, participated in the study. Each subject walked twice in 50-m trials. Plantar pressure under the pathological foot was measured using pressure insoles. Six parameters: initial contact time, terminal contact time, maximum force time, peak pressure time, maximum force and peak pressure were calculated and averaged over trials in ten regions of foot. The parameters in each region were compared between patient groups and controls and their effect size was estimated. Besides, the correlations between pressure parameters and clinical scales were calculated. FINDINGS We observed based on temporal parameters that patients postpone the heel-off event, when high force in forefoot and high ankle moment happens. Also based on maximum force and peak pressure, the patients apply smoothened maximum forces on the affected foot. In ten regions, some parameters showed improvements after total ankle replacement, some showed alteration of foot function after ankle arthrodesis and some others showed still abnormality after both surgical treatments. These parameters showed also significant correlation with clinical scales in at least two regions of foot. INTERPRETATION Plantar pressure parameters in relatively long-distance trials showed to be strong tools for outcome evaluation of ankle osteoarthritis treatments.
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Affiliation(s)
- H Rouhani
- Laboratory of Movement Analysis and Measurement, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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