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Lebecque P, Bauraind O, Thimmesch M. [Cystic fibrosis - A look at Belgium in 2022]. Rev Med Liege 2022; 77:532-537. [PMID: 36082601] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cystic fibrosis care is expensive. In Belgium, its financial support is not provided by powerful charities but by the national health system, which also sponsors the Belgian Cystic Fibrosis Registry. Recent data allow to better evaluate the quality of care for patients with cystic fibrosis in our country. Overall, it is high but varies from one centre to another. Similarly, use of the main symptomatic treatments is heterogeneous. Access to lung transplantation is one of the fluidest in the world. However, Belgium was one of the last medicalised countries to implement a neonatal screening programme for cystic fibrosis. It also lags behind in regard of the reimbursement of modulators of the CTFR gene function. This is especially detrimental for the lack of reimbursement of a recent highly effective combination of three modulators. The cost of this triple therapy is opaque and far too high. However, its effectiveness is impressive and, in the long term, around 90 % of Belgian patients with cystic fibrosis are expected to greatly benefit from it.
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Affiliation(s)
- P Lebecque
- Service de Pneumologie pédiatrique et Mucoviscidose, CHC MontLégia, Liège, Belgique
| | - O Bauraind
- Service de Gastroentérologie pédiatrique, MontLégia, Liège, Belgique
| | - M Thimmesch
- Service de Pneumologie pédiatrique et Mucoviscidose, CHC MontLégia, Liège, Belgique
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Poggiogalle E, Rossignon F, Carayon A, Capel F, Rigaudière JP, De Saint Vincent S, Le-Bacquer O, Salles J, Giraudet C, Patrac V, Lebecque P, Walrand S, Boirie Y, Martin V, Guillet C. Deleterious Effect of High-Fat Diet on Skeletal Muscle Performance Is Prevented by High-Protein Intake in Adult Rats but Not in Old Rats. Front Physiol 2022; 12:749049. [PMID: 35111075 PMCID: PMC8801536 DOI: 10.3389/fphys.2021.749049] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 12/02/2021] [Indexed: 11/15/2022] Open
Abstract
The phenotype of sarcopenic obesity is frequently associated with impaired muscle strength and performance. Ectopic lipid deposition may interfere with muscle anabolic response especially during aging. Evidence is scarce concerning the potential interplay among aging and nutrient imbalance on skeletal muscle functionality. The objective of the present study was to investigate the impact of protein intake in the context of an obesogenic diet on skeletal muscle functional properties and intramuscular lipid infiltration. Two groups of forty-two adult and thirty-seven old male Wistar rats were randomly divided into four groups: isocaloric standard diet (12% protein, 14% lipid, as ST12); isocaloric standard (high-protein) diet (25% protein, 14% lipid, ST25); hypercaloric high-fat (normal-protein) diet (12% protein, 45% lipid, HF12); and hypercaloric high-fat (high-protein) diet (25% protein, 45% lipid, HF25). The nutritional intervention lasted 10 weeks. Total body composition was measured through Echo-MRI. Lipids were extracted from tibialis anterior muscle and analyzed by gas-liquid chromatography. The functional properties of the plantarflexor muscles were evaluated in vivo on an isokinetic dynamometer. Maximal torque was assessed from the torque-frequency relationship in isometric condition and maximal power was evaluated from the torque-velocity relationship in concentric condition. In adult rats high-protein intake combined with high-fat diet determined a lower decrease in relative isometric torque, normalized to either FFM or body weight, compared with adult rats fed a high-fat normal-protein diet. High-fat diet was also detrimental to relative muscle power, as normalized to body weight, that decreased to a larger extent in adult rats fed a high-fat normal-protein diet than their counterparts fed a normal-fat, high-protein diet. The effect of high-fat diet observed in adults, with the enhanced protein intake (25%) conferring some kind of protection against the negative effects of HFD, may be linked to the reduced intramuscular fat in this group, which may have contributed to preserve, at least partly, the contractile properties. A potential role for high-protein diet in preventing ectopic lipid deposition needs to be explored in future research. Detrimental effects of high- fat diet on skeletal muscle performance are mitigated by high- protein intake in adult rats but not in old rats.
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Affiliation(s)
- Eleonora Poggiogalle
- Medical Pathophysiology, Food Science and Endocrinology Section, Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
- *Correspondence: Eleonora Poggiogalle,
| | - Fanny Rossignon
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Aude Carayon
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Fréderic Capel
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Jean-Paul Rigaudière
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Sarah De Saint Vincent
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Olivier Le-Bacquer
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Jérôme Salles
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Christophe Giraudet
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Véronique Patrac
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Patrice Lebecque
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Stéphane Walrand
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Yves Boirie
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
| | - Vincent Martin
- AME2P, Université Clermont Auvergne, Clermont-Ferrand, France
- Institut Universitaire de France, Paris, France
| | - Christelle Guillet
- INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, Clermont Auvergne University, Clermont-Ferrand, France
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Lebecque P, Thimmesch M. [Cystic fibrosis prognosis in Europa : chronicle of an announced dilemma]. Rev Med Liege 2021; 76:202-207. [PMID: 33682390] [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] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In cystic fibrosis, lung disease is early and insidious. It almost always conditions the prognosis. A pragmatic way of looking at prognostic factors is to distinguish those on which care management has little (environmental factors) or no grip (genetic factors) and those related to the quality of care, the latter being crucial. Recently, a triple-combination CFTR («Cystic Fibrosis Transmembrane conductance Regulator») modulator regimen has been shown a highly effective therapy. Ultimately, at least 90 % of Belgian patients with cystic fibrosis should benefit from this drug. However, its official price is extremely high (712 €/day), lacks transparency and illustrates problematic aspects of current orphan legislations. For the majority of citizens in Western Europe, a social ideal still prevails that healthcare should be accessible to all in an equitable fashion. Somewhere between this price and the necessity for national health systems based on solidarity to keep the costs of orphan drugs at a sustainable level, patients are looking like hostages.
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Affiliation(s)
- P Lebecque
- Unité de Pneumologie pédiatrique et Mucoviscidose, MontLégia, Liège, Belgique
| | - M Thimmesch
- Unité de Pneumologie pédiatrique et Mucoviscidose, MontLégia, Liège, Belgique
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Touron J, Perrault H, Julian V, Maisonnave L, Deat P, Auclair-Ronzaud J, Salles J, Walrand S, Hermet J, Rigaudiere JP, Lebecque P, Malpuech-Brugere C, Montaurier C, Pereira B, Coxam V, Costes F, Richard R. Impact of Eccentric or Concentric Training on Body Composition and Energy Expenditure. Med Sci Sports Exerc 2019; 51:1944-1953. [PMID: 30920487 DOI: 10.1249/mss.0000000000001992] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE To compare the effects of 8-wk eccentric (ECC) versus concentric (CON) training using downhill and uphill running in rats on whole body composition, bone mineral density (BMD), and energy expenditure. METHODS Animals were randomly assigned to one of the following groups: 1) control (CTRL), 2) +15% uphill-running slope (CON), 3) -15% downhill-running slope (ECC15), and 4) -30% downhill-running slope (ECC30). Those programs enabled to achieve conditions of isopower output for CON and ECC15 and of iso-oxygen uptake (V˙O2) for CON and ECC30. Trained rats ran 45 min at 15 m·min five times per week. Total body mass, fat body mass, and lean body mass (LBM) measured through EchoMRI™, and 24-h energy expenditure including basal metabolic rate (BMR) assessed using PhenoMaster/LabMaster™ cage system were obtained before and after training. At sacrifice, the right femur was collected for bone parameters analysis. RESULTS Although total body mass increased in all groups over the 8-wk period, almost no change occurred for fat body mass in exercised groups (CON, -4.8 ± 6.18 g; ECC15, 0.6 ± 3.32 g; ECC30, 2.6 ± 6.01 g). The gain in LBM was mainly seen for ECC15 (88.9 ± 6.85 g) and ECC30 (101.6 ± 11.07 g). ECC was also seen to positively affect BMD. An increase in BMR from baseline was seen in exercise groups (CON, 13.9 ± 4.13 kJ·d; ECC15, 11.6 ± 5.10 kJ·d; ECC30, 18.3 ± 4.33 kJ·d) but not in CTRL one. This difference disappeared when BMR was normalized for LBM. CONCLUSIONS Results indicate that for iso-V˙O2 training, the impact on LBM and BMD is enhanced with ECC as compared with CON, and that for isopower but lower V˙O2 ECC, an important stimulus for adaptation is still observed. This provides further insights for the use of ECC in populations with cardiorespiratory exercise limitations.
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Affiliation(s)
- Julianne Touron
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | - Hélène Perrault
- Faculty of Health Sciences, University of Ottawa, Ottawa, ON, CANADA
| | - Valérie Julian
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE.,Department of Sports Medicine and Functional Explorations, University Hospital of Clermont-Ferrand, Clermont-Ferrand, FRANCE
| | - Laura Maisonnave
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | - Philippe Deat
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | | | - Jérôme Salles
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | - Stéphane Walrand
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | | | | | - Patrice Lebecque
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | | | | | - Bruno Pereira
- Delegation to Clinical Research and Innovation, University Hospital of Clermont-Ferrand, Clermont-Ferrand, FRANCE
| | - Véronique Coxam
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE
| | - Frédéric Costes
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE.,Department of Sports Medicine and Functional Explorations, University Hospital of Clermont-Ferrand, Clermont-Ferrand, FRANCE
| | - Ruddy Richard
- Human Nutrition Unit, ASMS Team, CRNH Auvergne, Clermont-Ferrand, FRANCE.,Department of Sports Medicine and Functional Explorations, University Hospital of Clermont-Ferrand, Clermont-Ferrand, FRANCE
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Abstract
INTRODUCTION Small airways' involvement in cystic fibrosis (CF) pulmonary disease is a very early event, which can progress sub-clinically and insidiously since it is poorly reflected by commonly used lung function tests. STATE OF ART Sensitive and discriminative tools are available to investigate small airways function. However their complexity and/or invasiveness has confined their use to research purposes and to some specialized research teams. By contrast, the multiple breath washout (MBW) test is more affordable and non-invasive. Lung clearance index (LCI), which is the most used derived parameter, is reproducible and much more sensitive than spirometry in detecting small airways disease. However, MBW is operator dependent. PERSPECTIVES The recent commercialization of devices assessing LCI launches MBW as a potential tool in routine clinical care, although its use currently remains mostly dedicated to research purposes. However, important differences in LCI between various equipment settings raise a number of theoretical questions. Specific algorithms should be refined and more transparent. Standardization of MBW is still an ongoing process. Whether other MBW derived indices can prove superior over LCI deserves further study. CONCLUSIONS In CF, LCI is now a well-established outcome in research settings to detect early lung function abnormalities and new treatment effects, especially in patients with mild lung disease. In these patients, LCI seems an attractive tool for clinicians too. Yet, further investigation is needed to define clinically significant changes in LCI and to which extent this index can be useful in guiding clinical decisions remains to be studied.
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Affiliation(s)
- W Poncin
- Pôle de pneumologie, ORL et dermatologie, université Catholique de Louvain, institut de recherche expérimentale et clinique (IREC), 1200 Bruxelles, Belgique; Service de médecine physique et réadaptation, cliniques universitaires Saint-Luc, 1200 Bruxelles, Belgique.
| | - P Lebecque
- Pneumologie pédiatrique & centre de référence pour la mucoviscidose, cliniques universitaires Saint-Luc, 1200 Bruxelles, Belgique
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Delguste C, Perona G, Lebecque P, Duboeuf F, Lepage O, Martin-Rosset W, Donabedian M. Third metacarpal bone mineral density assessment in the standing horse by dual X-ray absorptiometry. Vet Comp Orthop Traumatol 2018. [DOI: 10.1055/s-0038-1632924] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
SummaryBone mineral density (BMD) is correlated to mechanical properties of bone. In the horse, dual energy X-ray absorptiometry (DXA) has yet only been performed ex-vivo, but a new portable DXA device would be ideal for in-vivo BMD measurement. We explored field suitability, precision and accuracy of this device for in-vivo third metacarpal density assessment. Precision was analysed by calculating measurement variation under repeated measurement tests with (reproducibility) and without (repeatability) limb repositioning. Repeatability and reproducibility were tested ex-vivo, at the same time that intra- and inter-operator reproducibility were assessed in-vivo. In order to test accuracy, bone mineral content (BMC) of several bone samples determined by DXA and ashing were compared. Repeatability was 1.47% and reproducibility 1.69% ex-vivo. In-vivo reproducibility varied between 2.91 and 4.06% for intraoperator test and between 3.13 and 5.53% for interoperator test. BMC measured by DXA and ash weight were highly correlated (R2>0.99). In conclusion, under described conditions this DXA device is usable, accurate and precise. Its sensitiveness reaches 8.23% in an individual longitudinal monitoring. Using the third metacarpal bone as an example, we have shown that this device is suitable for experimental or clinical monitoring.
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Krikilion J, Magchiels L, Leal T, Lebecque P, De Baets F, Hanssens L, Bensliman S, Sauer K, Vermeulen F, Proesmans M. WS15.3 Failure rate of sweat testing in different Belgium CF centers in the light of preparing CF-newborn screening (NBS). J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30245-x] [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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Gohy S, Scohy A, Berardis S, Bressant F, Zitouni A, Aubriot AS, Bauwens N, Andre E, Lebecque P. 107 RGM medium versus MGIT™ for isolation of nontuberculous mycobacteria from sputum of patients with cystic fibrosis. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30471-x] [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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Beckers M, Berardis S, Gohy S, Beckers F, Goubau C, Lebecque P. 313 Serum 25-hydroxyvitamin D does not correlate with pancreatic status, FEV1, BMI, IgG nor prescribed doses of oral supplementation in patients with cystic fibrosis. J Cyst Fibros 2017. [DOI: 10.1016/s1569-1993(17)30652-5] [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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Léotoing L, Wauquier F, Davicco MJ, Lebecque P, Gaudout D, Rey S, Vitrac X, Massenat L, Rashidi S, Wittrant Y, Coxam V. Des régimes enrichis en pruneau d’Agen ou en concentré de jus de pruneau d’Agen permettent de prévenir la perte osseuse dans un modèle d’ostéoporose post-ménopausique indépendamment de leur richesse en acides phénoliques. NUTR CLIN METAB 2016. [DOI: 10.1016/j.nupar.2016.09.078] [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: 10/20/2022]
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Vermeulen F, Lebecque P, De Boeck K, Leal T. ePS01.6 Biological variability of the sweat chloride in diagnostic sweat tests: a retrospective analysis. J Cyst Fibros 2016. [DOI: 10.1016/s1569-1993(16)30193-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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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Viphonephom P, Dhooghe B, Noel S, Melotti P, Vermeulen F, De Boeck K, Lebecque P, Leal T. 19 Performing the Stanford beta-sweat test using non-invasive drug delivery. J Cyst Fibros 2016. [DOI: 10.1016/s1569-1993(16)30259-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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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Spilmont M, Léotoing L, Davicco MJ, Lebecque P, Miot-Noirault E, Pilet P, Rios L, Wittrant Y, Coxam V. Pomegranate Peel Extract Prevents Bone Loss in a Preclinical Model of Osteoporosis and Stimulates Osteoblastic Differentiation in Vitro. Nutrients 2015; 7:9265-84. [PMID: 26569295 PMCID: PMC4663593 DOI: 10.3390/nu7115465] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [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: 09/21/2015] [Revised: 10/12/2015] [Accepted: 10/14/2015] [Indexed: 12/23/2022] Open
Abstract
The nutritional benefits of pomegranate have attracted great scientific interest. The pomegranate, including the pomegranate peel, has been used worldwide for many years as a fruit with medicinal activity, mostly antioxidant properties. Among chronic diseases, osteoporosis, which is associated with bone remodelling impairment leading to progressive bone loss, could eventually benefit from antioxidant compounds because of the involvement of oxidative stress in the pathogenesis of osteopenia. In this study, with in vivo and ex vivo experiments, we investigated whether the consumption of pomegranate peel extract (PGPE) could limit the process of osteopenia. We demonstrated that in ovariectomized (OVX) C57BL/6J mice, PGPE consumption was able to significantly prevent the decrease in bone mineral density (-31.9%; p < 0.001 vs. OVX mice) and bone microarchitecture impairment. Moreover, the exposure of RAW264.7 cells to serum harvested from mice that had been given a PGPE-enriched diet elicited reduced osteoclast differentiation and bone resorption, as shown by the inhibition of the major osteoclast markers. In addition, PGPE appeared to substantially stimulate osteoblastic MC3T3-E1 alkaline phosphatase (ALP) activity at day 7, mineralization at day 21 and the transcription level of osteogenic markers. PGPE may be effective in preventing the bone loss associated with ovariectomy in mice, and offers a promising alternative for the nutritional management of this disease.
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Affiliation(s)
- Mélanie Spilmont
- Unité de Nutrition Humaine, CRNH Auvergne, UMR 1019, INRA, F-63000 Clermont-Ferrand, France.
- Unité de Nutrition Humaine, Université d'Auvergne, Clermont Université, BP 10448, F-63000 Clermont-Ferrand, France.
- GREENTECH SA Biopôle Clermont-Limagne, F-63360 Saint-Beauzire, France.
| | - Laurent Léotoing
- Unité de Nutrition Humaine, CRNH Auvergne, UMR 1019, INRA, F-63000 Clermont-Ferrand, France.
- Unité de Nutrition Humaine, Université d'Auvergne, Clermont Université, BP 10448, F-63000 Clermont-Ferrand, France.
| | - Marie-Jeanne Davicco
- Unité de Nutrition Humaine, CRNH Auvergne, UMR 1019, INRA, F-63000 Clermont-Ferrand, France.
- Unité de Nutrition Humaine, Université d'Auvergne, Clermont Université, BP 10448, F-63000 Clermont-Ferrand, France.
| | - Patrice Lebecque
- Unité de Nutrition Humaine, CRNH Auvergne, UMR 1019, INRA, F-63000 Clermont-Ferrand, France.
- Unité de Nutrition Humaine, Université d'Auvergne, Clermont Université, BP 10448, F-63000 Clermont-Ferrand, France.
| | - Elisabeth Miot-Noirault
- Imagerie Moléculaire et Thérapie Vectorisée, Université d'Auvergne, Clermont Université, UMR 990, INSERM, BP 10448, F-63000 Clermont-Ferrand, France.
| | - Paul Pilet
- Laboratoire d'Ingénierie Ostéo-Articulaire et Dentaire-LIOAD, Université de Nantes, UMR 791, INSERM, F-44042 Nantes, France.
| | - Laurent Rios
- GREENTECH SA Biopôle Clermont-Limagne, F-63360 Saint-Beauzire, France.
| | - Yohann Wittrant
- Unité de Nutrition Humaine, CRNH Auvergne, UMR 1019, INRA, F-63000 Clermont-Ferrand, France.
- Unité de Nutrition Humaine, Université d'Auvergne, Clermont Université, BP 10448, F-63000 Clermont-Ferrand, France.
| | - Véronique Coxam
- Unité de Nutrition Humaine, CRNH Auvergne, UMR 1019, INRA, F-63000 Clermont-Ferrand, France.
- Unité de Nutrition Humaine, Université d'Auvergne, Clermont Université, BP 10448, F-63000 Clermont-Ferrand, France.
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Godding V, Stevens L, Galanti L, De Boeck K, De Baets F, Malfroot A, Hanssens L, Knoop C, Sacré JP, Pierart F, Van Schil L, Desager K, Lebecque P. 303 Smoking cessation help should be available at CF reference centres – a Belgian national survey of smoking in patients with cystic fibrosis. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30477-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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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Poncin W, Berardis S, Aubriot AS, Lebecque P. WS21.4 Multiple breath nitrogen washout: The Exhalyzer D (Ecomedics) is more sensitive than the EasyOne Pro (NDD) in detecting ventilation inhomogeneities in children with CF and normal FEV1. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30124-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Godding V, De Baets F, De Boeck K, Malfroot A, Lebecque P. 304 Children with typical CF have better spirometric data than children with non CF bronchiectasis (BE) – a Belgian multicentric study. J Cyst Fibros 2015. [DOI: 10.1016/s1569-1993(15)30478-1] [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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Tagliaferri C, Davicco MJ, Lebecque P, Georgé S, Amiot MJ, Mercier S, Dhaussy A, Huertas A, Walrand S, Wittrant Y, Coxam V. Olive oil and vitamin D synergistically prevent bone loss in mice. PLoS One 2014; 9:e115817. [PMID: 25551374 PMCID: PMC4281074 DOI: 10.1371/journal.pone.0115817] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [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: 07/24/2014] [Accepted: 11/27/2014] [Indexed: 11/25/2022] Open
Abstract
As the Mediterranean diet (and particularly olive oil) has been associated with bone health, we investigated the impact of extra virgin oil as a source of polyphenols on bone metabolism. In that purpose sham-operated (SH) or ovariectomized (OVX) mice were subjected to refined or virgin olive oil. Two supplementary OVX groups were given either refined or virgin olive oil fortified with vitamin D3, to assess the possible synergistic effects with another liposoluble nutrient. After 30 days of exposure, bone mineral density and gene expression were evaluated. Consistent with previous data, ovariectomy was associated with increased bone turnover and led to impaired bone mass and micro-architecture. The expression of oxidative stress markers were enhanced as well. Virgin olive oil fortified with vitamin D3 prevented such changes in terms of both bone remodeling and bone mineral density. The expression of inflammation and oxidative stress mRNA was also lower in this group. Overall, our data suggest a protective impact of virgin olive oil as a source of polyphenols in addition to vitamin D3 on bone metabolism through improvement of oxidative stress and inflammation.
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Affiliation(s)
- Camille Tagliaferri
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France; Lesieur, 29 quai Aulagnier, 92665 Asnières-sur-Seine cedex, France
| | - Marie-Jeanne Davicco
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - Patrice Lebecque
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - Stéphane Georgé
- Biochemistry Department, Centre Technique de Conservation des Produits Agricoles (CTCPA), Site Agroparc, 84911 Avignon Cedex 9, France
| | - Marie-Jo Amiot
- INRA, UMR 1260, Marseille, France; Institut National de la Santé et de la Recherche Médicale (INSERM), UMR 1260, "Nutrition, Obésité et Risque Thrombotique", Marseille, France; Université d'Aix-Marseille, Faculté de Médecine, Marseille, France
| | - Sylvie Mercier
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - Amélie Dhaussy
- Lesieur, 29 quai Aulagnier, 92665 Asnières-sur-Seine cedex, France
| | - Alain Huertas
- Lesieur, 29 quai Aulagnier, 92665 Asnières-sur-Seine cedex, France
| | - Stéphane Walrand
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - Yohann Wittrant
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
| | - Véronique Coxam
- Institut National de la Recherche Agronomique (INRA), Unité Mixte de Recherche (UMR) 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine (CRNH) Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Clermont-Ferrand, France
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Poncin W, Aubriot AS, Lebecque P. 131 Multiple breath nitrogen washout in healthy children and adults: a comparison of two commercially available devices. J Cyst Fibros 2014. [DOI: 10.1016/s1569-1993(14)60267-8] [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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19
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Léotoing L, Davicco MJ, Lebecque P, Wittrant Y, Coxam V. The flavonoid fisetin promotes osteoblasts differentiation through Runx2 transcriptional activity. Mol Nutr Food Res 2014; 58:1239-48. [PMID: 24535991 DOI: 10.1002/mnfr.201300836] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [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: 11/12/2013] [Revised: 01/08/2014] [Accepted: 01/17/2014] [Indexed: 12/22/2022]
Abstract
SCOPE Flavonoids represent a group of polyphenolic compounds commonly found in daily nutrition with proven health benefits. Among this group, the flavonol fisetin has been previously shown to protect bone by repressing osteoclast differentiation. In the present study, we investigated the role of fisetin in regulating osteoblasts physiology. METHODS AND RESULTS In vivo mice treated with LPSs exhibited osteoporosis features associated with a dramatic repression of osteoblast marker expression. In this model, inhibition of osteocalcin and type I collagen alpha 1 transcription was partially countered by a daily consumption of fisetin. Interestingly, in vitro, fisetin promoted both osteoblast alkaline phosphatase activity and mineralization process. To decipher how fisetin may exert its positive effect on osteoblastogenesis, we analyzed its ability to control the runt-related transcription factor 2 (Runx2), a key organizer in developing and maturing osteoblasts. While fisetin did not impact Runx2 mRNA and protein levels, it upregulated its transcriptional activity. Actually, fisetin stimulated the luciferase activity of a reporter plasmid driven by the osteocalcin gene promoter that contains Runx2 binding sites and promoted the mRNA expression of osteocalcin and type I collagen alpha 1 targets. CONCLUSION Bone sparing properties of fisetin also rely on its positive influence on osteoblast differentiation and activity.
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Affiliation(s)
- Laurent Léotoing
- INRA, UMR 1019, UNH, CRNH Auvergne, Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Clermont-Ferrand, France
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20
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Spilmont M, Léotoing L, Davicco MJ, Lebecque P, Mercier S, Miot-Noirault E, Pilet P, Rios L, Wittrant Y, Coxam V. Pomegranate seed oil prevents bone loss in a mice model of osteoporosis, through osteoblastic stimulation, osteoclastic inhibition and decreased inflammatory status. J Nutr Biochem 2013; 24:1840-8. [PMID: 23953990 DOI: 10.1016/j.jnutbio.2013.04.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [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: 01/02/2013] [Revised: 04/09/2013] [Accepted: 04/15/2013] [Indexed: 11/19/2022]
Abstract
In the current context of longer life expectancy, the prevalence of osteoporosis is increasingly important. This is why development of new strategies of prevention is highly suitable. Pomegranate seed oil (PSO) and its major component, punicic acid (a conjugated linolenic acid), have potent anti-inflammatory and anti-oxidative properties both in vitro and in vivo, two processes strongly involved in osteoporosis establishment. In this study, we demonstrated that PSO consumption (5% of the diet) improved significantly bone mineral density (240.24±11.85 vs. 203.04±34.19 mg/cm(3)) and prevented trabecular microarchitecture impairment in ovariectomized (OVX) mice C57BL/6J, compared to OVX control animals. Those findings are associated with transcriptional changes in bone tissue, suggesting involvement of both osteoclastogenesis inhibition and osteoblastogenesis improvement. In addition, thanks to an ex vivo experiment, we provided evidence that serum from mice fed PSO (5% by gavage) had the ability to significantly down-regulate the expression of specific osteoclast differentiation markers and RANK-RANKL downstream signaling targets in osteoclast-like cells (RAW264.7) (RANK: negative 0.49-fold vs. control conditions). Moreover, in osteoblast-like cells (MC3T3-E1), it elicited significant increase in alkaline phosphatase activity (+159% at day 7), matrix mineralization (+271% on day 21) and transcriptional levels of major osteoblast lineage markers involving the Wnt/β-catenin signaling pathways. Our data also reveal that PSO inhibited pro-inflammatory factors expression while stimulating anti-inflammatory ones. These results demonstrate that PSO is highly relevant regarding osteoporosis. Indeed, it offers promising alternatives in the design of new strategies in nutritional management of age-related bone complications.
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Affiliation(s)
- Mélanie Spilmont
- INRA, UMR 1019, UNH, CRNH Auvergne, F-63009 Clermont-Ferrand, France; Equipe Alimentation, Squelette et Métabolismes, France; Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, BP 10448, F-63000 Clermont-Ferrand, France; Greentech SA, Biopôle, Clermont-Limagne, 63360 Saint Beauzire, France
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21
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Vaz PC, Dhooghe B, Palmai M, Lebecque P, Noël S, Leal T. 166 Beneficial immunomodulatory effect of vardenafil in mouse CF macrophages. J Cyst Fibros 2013. [DOI: 10.1016/s1569-1993(13)60308-2] [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: 11/24/2022]
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22
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Delbart W, Dhooghe B, Wallemacq P, Lebecque P, Leal T, Noël S. WS4.6 MicroRNA-30s negatively regulate planar cell polarity genes in human cystic fibrosis bronchial epithelial cells. J Cyst Fibros 2013. [DOI: 10.1016/s1569-1993(13)60024-7] [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: 11/29/2022]
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23
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Dhooghe B, Noël S, Bouzin C, Lebecque P, Wallemacq P, Leal T. WS7.1 Multi-target corrective effect of vardenafil on F508del-CFTR function and localization. J Cyst Fibros 2013. [DOI: 10.1016/s1569-1993(13)60040-5] [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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24
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Wauquier F, Philippe C, Léotoing L, Mercier S, Davicco MJ, Lebecque P, Guicheux J, Pilet P, Miot-Noirault E, Poitout V, Alquier T, Coxam V, Wittrant Y. The free fatty acid receptor G protein-coupled receptor 40 (GPR40) protects from bone loss through inhibition of osteoclast differentiation. J Biol Chem 2013; 288:6542-51. [PMID: 23335512 DOI: 10.1074/jbc.m112.429084] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The mechanisms linking fat intake to bone loss remain unclear. By demonstrating the expression of the free fatty acid receptor G-coupled protein receptor 40 (GPR40) in bone cells, we hypothesized that this receptor may play a role in mediating the effects of fatty acids on bone remodeling. Using micro-CT analysis, we showed that GPR40(-/-) mice exhibit osteoporotic features suggesting a positive role of GPR40 on bone density. In primary cultures of bone marrow, we showed that GW9508, a GRP40 agonist, abolished bone-resorbing cell differentiation. This alteration of the receptor activator of NF-κB ligand (RANKL)-induced osteoclast differentiation occurred via the inhibition of the nuclear factor κB (NF-κB) signaling pathway as demonstrated by decrease in gene reporter activity, inhibitor of κB kinase (IKKα/β) activation, inhibitor of κB (IkBα) phosphorylation, and nuclear factor of activated T cells 1 (NFATc1) expression. The GPR40-dependent effect of GW9508 was confirmed using shRNA interference in osteoclast precursors and GPR40(-/-) primary cell cultures. In addition, in vivo administration of GW9508 counteracted ovariectomy-induced bone loss in wild-type but not GPR40(-/-) mice, enlightening the obligatory role of the GPR40 receptor. Then, in a context of growing prevalence of metabolic and age-related bone disorders, our results demonstrate for the first time in translational approaches that GPR40 is a relevant target for the design of new nutritional and therapeutic strategies to counter bone complications.
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Affiliation(s)
- Fabien Wauquier
- Institut National de la Recherche Agronomique, Unité Mixte de Recherche 1019, Unité de Nutrition Humaine, Centre de Recherche en Nutrition Humaine Auvergne, F-63009 Clermont-Ferrand, France
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25
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Abstract
There is a need to find a cure for pulmonary disease in cystic fibrosis (CF), though full benefit of this approach will be restricted to those patients with well-preserved lungs. The most promising route is currently that of a pharmacological mutation-specific approach aiming at correcting the mechanism by which mutations lead to impairment of chloride conductance across respiratory epithelial cells. In the past 14years, 7 candidate drugs (CPX, 4PBA, gentamicin, PTC124, VX-770 or Ivacaftor, VX-809 or Lumacaftor, and Miglustat) have been investigated in CF patients. A postulate of 14 out of the 15 published studies has been that an effective agent had to improve total chloride secretion as assessed in vivo by nasal potential difference measurements. The present review casts a critical look at these studies. Apparent inconsistencies are discussed as well as possible limitations of nasal potential difference measurements as outcome parameters in these trials. Primarily targeting a mutation carried by less than 2% of French CF patients, the 2 Ivacaftor studies could well be a milestone on the long road toward a cure for CF. However, further data on safety and long-term efficacy are obviously needed and the current price of this medication in the US would make it unaffordable for European patients.
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Affiliation(s)
- A Leonard
- Unité de pneumologie pédiatrique et mucoviscidose, cliniques Saint-Luc, université de Louvain, Bruxelles, Belgique.
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26
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Chalabi N, Coxam V, Satih S, Davicco MJ, Lebecque P, Fontana L, Bignon YJ, Bernard-Gallon DJ. Gene signature of rat mammary glands: Influence of lifelong soy isoflavones consumption. Mol Med Rep 2012; 3:75-81. [PMID: 21472203 DOI: 10.3892/mmr_00000221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Epidemiological studies have indicated that phytoestrogen has a preventive effect on breast cancer development. However, controversial results have been reported suggesting these compounds have ambivalent effects on breast tissue. Here, we report a transgenerational study conducted on female Wistar rats fed a diet enriched with phytoestrogen. Using a pangenomic microarray approach, a transcriptomic study was performed on mammary glands extracted from the animals. Gene expression was examined at 3 ages: 3, 18 and 24 months. The F1 generation did not express the same genes as the F0 control generation fed the same diet. This effect increased with animal age: in 3-, 18- and 24-month-old rats, 293, 441 and 2868 differentially expressed genes were respectively observed. These results suggest that long-term exposure to isoflavones may play a key role in gene regulation. Additionally, epigenetic patterns were found to be affected by DNA-methyltransferase and histone-deacetylase expression.
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Affiliation(s)
- Nassera Chalabi
- Département d'Oncogénétique, Centre Jean Perrin, 63011 Clermont-Ferrand, France
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27
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Noel S, Dhooghe B, Lethuillier A, Huaux F, Lebecque P, Wallemacq P, Leal T. WS9.3 Contribution of the Th17 pathway in lung inflammatory response in F508del-CFTR mice. J Cyst Fibros 2012. [DOI: 10.1016/s1569-1993(12)60062-9] [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: 10/28/2022]
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28
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Bouckaert C, Noel S, Palem A, Lebecque P, Wallemacq P, Leal T. 41 Corrector effect of resveratrol on refractory adrenergic pathway in saliva secretion of cystic fibrosis mice. J Cyst Fibros 2012. [DOI: 10.1016/s1569-1993(12)60210-0] [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: 11/16/2022]
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Dhooghe B, Noel S, Bouzin C, Lebecque P, Wallemacq P, Leal T. 36 Vardenafil corrects chloride transport across F508del-CFTR intestinal mucosa. J Cyst Fibros 2012. [DOI: 10.1016/s1569-1993(12)60205-7] [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: 10/28/2022]
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30
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Bauwens N, Aubriot A, Drugman T, Dutoit T, Leal T, Lebecque P. 164 Assessment of a commercially available cough counter in healthy subjects. J Cyst Fibros 2012. [DOI: 10.1016/s1569-1993(12)60334-8] [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: 11/29/2022]
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31
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Leonard A, Vermeulen F, De Boeck K, Leal T, Lebecque P. 50 Nasal potential measurements: repeatability and reproducibility of TCS in patients homozygous for the F508del mutation and healthy controls. J Cyst Fibros 2012. [DOI: 10.1016/s1569-1993(12)60219-7] [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: 10/28/2022]
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32
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Wauquier F, Barquissau V, Léotoing L, Davicco MJ, Lebecque P, Mercier S, Philippe C, Miot-Noirault E, Chardigny JM, Morio B, Wittrant Y, Coxam V. Borage and fish oils lifelong supplementation decreases inflammation and improves bone health in a murine model of senile osteoporosis. Bone 2012; 50:553-61. [PMID: 21664309 DOI: 10.1016/j.bone.2011.05.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Revised: 04/29/2011] [Accepted: 05/26/2011] [Indexed: 11/19/2022]
Abstract
Fats are prevalent in western diets; they have known deleterious effects on muscle insulin resistance and may contribute to bone loss. However, relationships between fatty acids and locomotor system dysfunctions in elderly population remain controversial. The aim of this study was to analyze the impact of fatty acid quality on the age related evolution of the locomotor system and to understand which aging mechanisms are involved. In order to analyze age related complications, the SAMP8 mouse strain was chosen as a progeria model as compared to the SAMR1 control strain. Then, two months old mice were divided in different groups and subjected to the following diets : (1) standard "growth" diet - (2) "sunflower" diet (high ω6/ω3 ratio) - (3) "borage" diet (high γ-linolenic acid) - (4) "fish" diet (high in long chain ω3). Mice were fed ad libitum through the whole protocol. At 12 months old, the mice were sacrificed and tissues were harvested for bone studies, fat and muscle mass measures, inflammation parameters and bone cell marker expression. We demonstrated for the first time that borage and fish diets restored inflammation and bone parameters using an original model of senile osteoporosis that mimics clinical features of aging in humans. Therefore, our study strongly encourages nutritional approaches as relevant and promising strategies for preventing aged-related locomotor dysfunctions.
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Affiliation(s)
- Fabien Wauquier
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, BP 10448, F-63000 Clermont-Ferrand, France
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33
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Reychler G, Coppens T, Leonard A, Palem A, Lebecque P. Mucoviscidose : les techniques instrumentales de désencombrement des voies aériennes. Rev Mal Respir 2012; 29:128-37. [DOI: 10.1016/j.rmr.2011.11.013] [Citation(s) in RCA: 4] [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] [Received: 06/02/2010] [Accepted: 04/19/2011] [Indexed: 10/14/2022]
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34
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Thomas M, Vermeulen F, De Baets F, Desager K, De Wachter E, Knoop C, Lebecque P, Sacré JP, Cuppens H, De Boeck K. 41* Who should be analyzed in a cystic fibrosis registry? J Cyst Fibros 2011. [DOI: 10.1016/s1569-1993(11)60061-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Palem A, Bouckaert C, Dhooghe B, Leonard A, Lubamba B, Wallemacq P, Lebecque P, Leal T. 63 Resveratrol improves chloride secretion in cystic fibrosis mice homozygous for the F508del mutation. J Cyst Fibros 2011. [DOI: 10.1016/s1569-1993(11)60082-9] [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: 10/18/2022]
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36
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Leonard A, Steisel C, Aubriot AS, Godding V, Lebecque P. 193 Cystic fibrosis (CF) and non-CF bronchiectasis: a cross-sectional comparison. J Cyst Fibros 2011. [DOI: 10.1016/s1569-1993(11)60209-9] [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: 11/30/2022]
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37
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Lubamba B, Panin N, Lebacq J, Huaux F, Lebecque P, Wallemacq P, Leal T. 70 Vardenafil as anti-inflammatory drug in the treatment of cystic fibrosis lung disease. J Cyst Fibros 2011. [DOI: 10.1016/s1569-1993(11)60088-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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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39
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Lubamba B, Lebacq J, Reychler G, Marbaix E, Wallemacq P, Lebecque P, Leal T. Inhaled phosphodiesterase type 5 inhibitors restore chloride transport in cystic fibrosis mice. Eur Respir J 2010; 37:72-8. [DOI: 10.1183/09031936.00013510] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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40
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Leonard A, Huang D, Symoens F, Lebecque P. Clinical relevance of Exophiala dermatitidis in cystic fibrosis: a case study. J Cyst Fibros 2010. [DOI: 10.1016/s1569-1993(10)60205-6] [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: 11/26/2022]
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41
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Boeras A, Symoens F, Leonard A, Lebecque P. Isolation of Exophiala dermatitidis in cystic fibrosis: is ECA the optimal medium? J Cyst Fibros 2010. [DOI: 10.1016/s1569-1993(10)60136-1] [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: 11/29/2022]
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Symoens F, Leonard A, Gigi J, Reychler G, Leal T, Lebecque P. Exophiala dermatitidis: can it chronically colonize and infect airways of patients with CF? J Cyst Fibros 2010. [DOI: 10.1016/s1569-1993(10)60137-3] [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: 11/16/2022]
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43
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Mardon J, Trzeciakiewicz A, Habauzit V, Davicco MJ, Lebecque P, Mercier S, Tressol JC, Horcajada MN, Demigné C, Coxam V. Dietary protein supplementation increases peak bone mass acquisition in energy-restricted growing rats. Pediatr Res 2009; 66:513-8. [PMID: 19668107 DOI: 10.1203/pdr.0b013e3181b9b4bb] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [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] [Indexed: 11/06/2022]
Abstract
Peak bone mass is a major determinant of osteoporosis pathogenesis during aging. Respective influences of energy and protein supplies on skeletal growth remains unclear. We investigated the effect of a 5-mo dietary restriction on bone status in young rats randomized into six groups (n = 10 per group). Control animals were fed a diet containing a normal (13%) (C-NP) or a high-protein content (26%) (C-HP). The other groups received a 40% protein energy-restricted diet (PER-NP and PER-HP) or a 40% energy-restricted diet (ER-NP and ER-HP). High-protein intake did not modulate bone acquisition, although a metabolic acidosis was induced and calcium retention impaired. PER and ER diets were associated with a decrease in femoral bone mineral density. The compensation for protein intake in energy-restricted conditions induced a bone sparing effect. Plasma osteocalcin (OC) and urinary deoxypyridinoline (DPD) assays revealed a decreased OC/DPD ratio in restricted rats compared with C animals, which was far more reduced in PER than in ER groups. Circulating IGF-1 levels were lowered by dietary restrictions. In conclusion, both energy and protein deficiencies may contribute to impairment in peak bone mass acquisition, which may affect skeleton strength and potentially render individuals more susceptible to osteoporosis.
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Affiliation(s)
- Julie Mardon
- Unité de Nutrition Humaine UMR1019, INRA Clermont-Ferrand/Theix, Saint Genès Champanelle, France.
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Wustefeld F, Pirotte T, Veyckemans F, Reychler G, Leonard A, Hubaux V, Lebecque P. Peripherally Inserted Central Catheter (PICC) for home IV therapy: a Belgian CF center experience. J Cyst Fibros 2009. [DOI: 10.1016/s1569-1993(09)60365-9] [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: 10/20/2022]
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45
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46
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Trzeciakiewicz A, Habauzit V, Mercier S, Lebecque P, Davicco MJ, Coxam V, Demigne C, Horcajada MN. Hesperetin stimulates differentiation of primary rat osteoblasts involving the BMP signalling pathway. J Nutr Biochem 2009; 21:424-31. [PMID: 19427185 DOI: 10.1016/j.jnutbio.2009.01.017] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [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: 09/24/2008] [Revised: 01/15/2009] [Accepted: 01/26/2009] [Indexed: 12/11/2022]
Abstract
Hesperidin found in citrus fruits has been reported to be a promising bioactive compound for maintaining an optimal bone status in ovariectomized rodent models. In this study, we examined the capacity of hesperetin (Hp) to affect the proliferation, differentiation and mineralization of rodent primary osteoblasts. Then, the impact of Hp on signalling pathways known to be implicated in bone formation was explored. We exposed osteoblasts to physiological concentrations of 1 microM Hp (Hp1) and 10 microM Hp (Hp10). Neither proliferation nor mineralization was affected by Hp at either dose during 19 days of exposure. Hp at both doses enhanced differentiation by significantly increasing alkaline phosphatase (ALP) activity from Day 14 of exposure (Day 19: Hp1: +9%, Hp10: +14.8% vs. control; P<.05). However, Hp did not induce an obvious formation of calcium nodules. The effect of Hp10 on ALP was inhibited by addition of noggin protein, suggesting a possible action of this flavanone through the bone morphogenetic protein (BMP) pathway. Indeed, Hp10 significantly induced (1.2- to 1.4-fold) mRNA expression of genes involved in this signalling pathway (i.e., BMP2, BMP4, Runx2 and Osterix) after 48 h of exposure. This was strengthened by enhanced phosphorylation of the complex Smad1/5/8. Osteocalcin mRNA level was up-regulated by Hp only at 10 microM (2.2 fold vs. control). The same dose of Hp significantly decreased osteopontin (OPN) protein level (50% vs. control) after 14 days of culture. Our findings suggest that Hp may regulate osteoblast differentiation through BMP signalling and may influence the mineralization process by modulating OPN expression.
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Affiliation(s)
- Anna Trzeciakiewicz
- INRA Clermont-Ferrand/Theix, Human Nutrition Unit UMR1019, ASM, Saint Genès-Champanelle, France
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47
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Goubau C, Wilschanski M, Skalicka V, Lebecque P, Southern KW, Sermet I, Munck A, Derichs N, Middleton PG, Hjelte L, Padoan R, Vasar M, De Boeck K. Phenotypic characterisation of patients with intermediate sweat chloride values: towards validation of the European diagnostic algorithm for cystic fibrosis. Thorax 2009; 64:683-91. [DOI: 10.1136/thx.2008.104752] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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48
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Puel C, Mardon J, Agalias A, Davicco MJ, Lebecque P, Mazur A, Horcajada MN, Skaltsounis AL, Coxam V. Major phenolic compounds in olive oil modulate bone loss in an ovariectomy/inflammation experimental model. J Agric Food Chem 2008; 56:9417-22. [PMID: 18800805 DOI: 10.1021/jf801794q] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This study was conducted to determine whether the daily consumption for 84 days of tyrosol and hydroxytyrosol, the main olive oil phenolic compounds, and olive oil mill wastewater (OMWW), a byproduct of olive oil production, rich in micronutrients, may improve bone loss in ovariectomized rats (an experimental model of postmenopausal osteoporosis) and in ovariectomized rats with granulomatosis inflammation (a model set up for senile osteoporosis). As expected, an induced chronic inflammation provoked further bone loss at total, metaphyseal, and diaphyseal sites in ovariectomized rats. Tyrosol and hydroxytyrosol prevented this osteopenia by increasing bone formation ( p < 0.05), probably because of their antioxidant properties. The two doses of OMWW extracts had the same protective effect on bone ( p < 0.05), whereas OMWW did not reverse established osteopenia. In conclusion, polyphenol consumption seems to be an interesting way to prevent bone loss.
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Affiliation(s)
- Caroline Puel
- UNH, INRA Clermont-Ferrand/Theix, 63122 Saint Genès-Champanelle, France
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49
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Azad A, Rauh R, Korbmacher J, Stanke F, Nuytten H, Tümmler B, De Boeck K, Dupont L, Fichou Y, Ferec C, Girodon E, Lebecque P, Skalicka V, des Georges M, Claustres M, Hjelte L, de Monestrol I, Stuhrmann M, Schwartz M, Pressler T, Castellani C, Schwarz M, Cassiman J, Korbmacher C, Cuppens H. ENaC mutations in patients with CF-like disease. J Cyst Fibros 2008. [DOI: 10.1016/s1569-1993(08)60003-x] [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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Penninckx B, Malfroot A, Knoop C, De Boeck K, Dupont L, De Baets F, Desager K, Lebecque P, Leclercq-Foucart J, Casimir G. A Belgian survey of long-term TOBI® treatment in cystic fibrosis patients. J Cyst Fibros 2008. [DOI: 10.1016/s1569-1993(08)60255-6] [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: 10/22/2022]
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