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Martin D, Nay K, Robin F, Rebillard A, Orfila L, Martin B, Leroyer P, Guggenbuhl P, Dufresne S, Noirez P, Ropert M, Loréal O, Derbré F. Oxidative and glycolytic skeletal muscles deploy protective mechanisms to avoid atrophy under pathophysiological iron overload. J Cachexia Sarcopenia Muscle 2022; 13:1250-1261. [PMID: 35118832 PMCID: PMC8978014 DOI: 10.1002/jcsm.12897] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 10/18/2021] [Accepted: 11/22/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Iron excess has been proposed as an essential factor in skeletal muscle wasting. Studies have reported correlations between muscle iron accumulation and atrophy, either through ageing or by using experimental models of secondary iron overload. However, iron treatments performed in most of these studies induced an extra-pathophysiological iron overload, more representative of intoxication or poisoning. The main objective of this study was to determine the impact of iron excess closer to pathophysiological conditions on structural and metabolic adaptations (i) in differentiated myotubes and (ii) in skeletal muscle exhibiting oxidative (i.e. the soleus) or glycolytic (i.e. the gastrocnemius) metabolic phenotypes. METHODS The impact of iron excess was assessed in both in vitro and in vivo models. Murine differentiated myotubes were exposed to ferric ammonium citrate (FAC) (i.e. 10 and 50 μM) for the in vitro component. The in vivo model was achieved by a single iron dextran subcutaneous injection (1 g/kg) in mice. Four months after the injection, soleus and gastrocnemius muscles were harvested for analysis. RESULTS In vitro, iron exposure caused dose-dependent increases of iron storage protein ferritin (P < 0.01) and dose-dependent decreases of mRNA TfR1 levels (P < 0.001), which support cellular adaptations to iron excess. Extra-physiological iron treatment (50 μM FAC) promoted myotube atrophy (P = 0.018), whereas myotube size remained unchanged under pathophysiological treatment (10 μM FAC). FAC treatments, whatever the doses tested, did not affect the expression of proteolytic markers (i.e. NF-κB, MurF1, and ubiquitinated proteins). In vivo, basal iron content and mRNA TfR1 levels were significantly higher in the soleus compared with the gastrocnemius (+130% and +127%; P < 0.001, respectively), supporting higher iron needs in oxidative skeletal muscle. Iron supplementation induced muscle iron accumulation in the soleus and gastrocnemius muscles (+79%, P < 0.001 and +34%, P = 0.002, respectively), but ferritin protein expression only increased in the gastrocnemius (+36%, P = 0.06). Despite iron accumulation, muscle weight, fibre diameter, and myosin heavy chain distribution remained unchanged in either skeletal muscle. CONCLUSIONS Together, these data support that under pathophysiological conditions, skeletal muscle can protect itself from the related deleterious effects of excess iron.
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Affiliation(s)
- David Martin
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France
| | - Kévin Nay
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France.,Exercise and Nutrition Research Program, Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, Vic., Australia
| | - François Robin
- INSERM, INRAe, University of Rennes, Nutrition Metabolisms and Cancer Institute (NuMeCan), Platform AEM2, CHU Rennes, Rennes, France
| | - Amélie Rebillard
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France
| | - Luz Orfila
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France
| | - Brice Martin
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France
| | - Patricia Leroyer
- INSERM, INRAe, University of Rennes, Nutrition Metabolisms and Cancer Institute (NuMeCan), Platform AEM2, CHU Rennes, Rennes, France
| | - Pascal Guggenbuhl
- INSERM, INRAe, University of Rennes, Nutrition Metabolisms and Cancer Institute (NuMeCan), Platform AEM2, CHU Rennes, Rennes, France
| | - Suzanne Dufresne
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France
| | - Philippe Noirez
- IRMES-Institute for Research in Medicine and Epidemiology of Sport, INSEP, Paris, France.,INSERM S1124, Université de Paris, Paris, France.,EA7507, Performance Health Metrology Society, Université de Reims Champagne Ardenne, Reims, France
| | | | - Olivier Loréal
- INSERM, INRAe, University of Rennes, Nutrition Metabolisms and Cancer Institute (NuMeCan), Platform AEM2, CHU Rennes, Rennes, France
| | - Frédéric Derbré
- Laboratory 'Movement, Sport and Health Sciences'-EA7470, University of Rennes/ENS Rennes, Bruz, France
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Barker CA, Chang M, Lassman AB, Beal K, Chan TA, Hunter K, Grisdale K, Ritterhouse M, Moustakas A, Iwamoto FM, Kreisl TN, Sul J, Kim L, Butman J, Albert P, Fine HA, Chamberlain MC, Alexandru D, Glantz MJ, Kim L, Chamberlain MC, Bota DA, Takahashi K, Ikeda N, Kajimoto Y, Miyatake S, Kuroiwa T, Iwamoto F, Lamborn K, Kuhn J, Wen P, Yung WKA, Gilbert M, Chang S, Lieberman F, Prados M, Fine H, Lu-Emerson C, Norden AD, Drappatz J, Quant EC, Ciampa AS, Doherty LM, LaFrankie DC, Wen PY, Sherman JH, Moldovan K, Yeoh HK, Starke BM, Pouratian N, Shaffrey ME, Schiff D, O'Connor PC, Kroon HA, Recht L, Montano N, Cenci T, Martini M, D'Alessandris QG, Banna GL, Maira G, De Maria R, Larocca LM, Pallini R, Kim CH, Yang MS, Cheong JH, Kim JM, Shonka N, Gilbert M, Alfred Yung WK, Piao Y, Liu J, Bekele N, Wen P, Chen A, Heymach J, de Groot J, Gilbert MR, Wang M, Aldape K, Sorensen AG, Mikkelsen T, Bokstein F, Woo SY, Chmura SJ, Choucair AK, Mehta M, Perez Segura P, Gil M, Balana C, Chacon I, Munoz J, Martin M, Flowers A, Salner A, Gaziel TB, Soerensen M, Hasselbalch B, Poulsen HS, Lassen U, Peyre M, Cartalat-Carel S, Meyronet D, Sunyach MP, Jouanneau E, Guyotat J, Jouvet A, Frappaz D, Honnorat J, Ducray F, Wagle N, Nghiemphu PL, Lai A, Cloughesy TF, Kairouz VF, Elias EF, Chahine GY, Comair YG, Dimassi H, Kamar FG, Parchman AJ, Nock CJ, Bartolomeo J, Norden AD, Drappatz J, Ciampa AS, Doherty LM, LaFrankie DC, Ruland S, Quant EC, Beroukhim R, Wen PY, Graber JJ, Lassman AB, Kaley T, Johnson DR, Kimmel DW, Burch PA, Cascino TL, Giannini C, Wu W, Buckner JC, Dirier A, Abacioglu U, Okkan S, Pak Y, Guney YY, Aksu G, Soyuer S, Oksuzoglu B, Meydan D, Zincircioglu B, Yumuk PF, Alco G, Keven E, Ucer AR, Tsung AJ, Prabhu SS, Shonka NA, Alistar AT, van den Bent M, Taal W, Sleijfer S, van Heuvel I, Smitt PAS, Bromberg JE, Vernhout I, Porter AB, Dueck AC, Karlin NJ, Hiramatsu R, Kawabata S, Miyatake SI, Kuroiwa T, Easson MW, Vicente MGH, Sahebjam S, Garoufalis E, Guiot MC, Muanza T, Del Maestro R, Kavan P, Smolin AV, Konev A, Nikolaeva S, Shamanskaya Y, Malysheva A, Strelnikov V, Vranic A, Prestor B, Pizem J, Popovic M, Khatua S, Finlay J, Nelson M, Gonzalez I, Bruggers C, Dhall G, Fu BD, Linskey M, Bota D, Walbert T, Puduvalli V, Ozawa T, Brennan CW, Wang L, Squatrito M, Sasayama T, Nakada M, Huse JT, Pedraza A, Utsuki S, Tandon A, Fomchenko EI, Oka H, Levine RL, Fujii K, Ladanyi M, Holland EC, Raizer J, Avram MJ, Kaklamani V, Cianfrocca M, Gradishar W, Helenowski I, McCarthy K, Mulcahy M, Rademaker A, Grimm S, Landolfi JC, Chen S, Peeraully T, Anthony P, Linendoll NM, Zhu JJ, Yao K, Mignano J, Pfannl R, Pan E, Vera-Bolanos E, Armstrong TS, Bekele BN, Gilbert MR, Alexandru D, Glantz MJ, Kim L, Chamberlain MC, Bota DA, Albrecht V, Juerchott K, Selbig J, Tonn JC, Schichor C, Sawale KB, Wolff J, Vats T, Ketonen L, Khasraw M, Kaley T, Panageas K, Reiner A, Goldlust S, Tabar V, Green RM, Woyshner EA, Cloughesy TF, Abe T, Morishige M, Shiqi K, Momii Y, Sugita K, Fukuyoshi Y, Kamida T, Fujiki M, Kobayashi H, Lavon I, Refael M, Zrihan D, Siegal T, Elias EF, Kairouz VF, Chahine GY, Comair YG, Dimassi H, Kamar FG, Tham CK, See SJ, Toh CK, Kang SH, Park KJ, Kim CY, Yu MO, Park CK, Park SH, Chung YG, Park KJ, Yu MO, Kang SH, Cho TH, Chung YG, Sasaki H, Sano K, Nariai T, Uchino Y, Kitamura Y, Ohira T, Yoshida K, Kirson ED, Wasserman Y, Izhaki A, Mordechovich D, Gurvich Z, Dbaly V, Vymazal J, Tovarys F, Salzberg M, Rochlitz C, Goldsher D, Palti Y, Ram Z, Gutin PH, Furuse M, Miyatake SI, Kawabata S, Kuroiwa T, Torcuator RG, Ibaoc K, Rafael A, Mariano M, Reardon DA, Peters K, Desjardins A, Sampson J, Vredenburgh JJ, Gururangan S, Friedman HS, Le Rhun E, Kotecki N, Zairi F, Baranzelli MC, Faivre-Pierret M, Dubois F, Bonneterre J, Arenson EB, Arenson JD, Arenson PK, Pierick M, Jensen W, Smith DB, Wong ET, Gautam S, Malchow C, Lun M, Pan E, Brem S, Raizer J, Grimm S, Chandler J, Muro K, Rice L, McCarthy K, Mrugala M, Johnston SK, Chamberlain M, Marosi C, Handisurya A, Kautzky-Willer A, Preusser M, Elandt K, Widhalm G, Dieckmann K, Torcuator RG, Opinaldo P, Chua E, Barredo C, Cuanang J, Grimm S, Phuphanich S, Recht LD, Rosenfeld SS, Chamberlain MC, Zhu JJ, Fadul CE, Swabb EA, Pope C, Beelen AP, Raizer JJ, Kim IH, Park CK, Han JH, Lee SH, Kim CY, Kim TM, Kim DW, Kim JE, Paek SH, Kim IA, Kim YJ, Kim JH, Nam DH, Rhee CH, Lee SH, Park BJ, Kim DG, Heo DS, Jung HW, Desjardins A, Peters KB, Vredenburgh JJ, Friedman HS, Reardon DA, Becker K, Baehring J, Hammond SN, Norden AD, Fisher DC, Wong ET, Cote GM, Ciampa AS, Doherty LM, Ruland SF, LaFrankie DC, Wen PY, Drappatz J, Brandes AA, Franceschi E, Tosoni A, Poggi R, Agati R, Bartolini S, Spagnolli F, Pozzati E, Marucci G, Ermani M, Taillibert S, Guillevin R, Dehais C, Bellanger A, Delattre JY, Omuro A, Taillibert S, Hoang-Xuan K, Barrie M, Guiu S, Chauffert B, Cartalat-Carel S, Taillandier L, Fabbro M, Laigre M, Guillamo JS, Geffrelot J, Rouge TDLM, Bonnetain F, Chinot O, Gil MJ, de las Penas R, Reynes G, Balana C, Perez-Segura P, Garcia-Velasco A, Gallego O, Herrero A, de Lucas CFC, Benavides M, Perez-Martin X, Mesia C, Martinez-Garcia M, Muggeri AD, Cervio A, Rojas M, Arakaki N, Sevlever GE, Diez BD, Muggeri AD, Cerrato S, Martinetto H, Diez BD, Peereboom DM, Brewer CJ, Suh JH, Chao ST, Parsons MW, Elson PJ, Vogelbaum MA, Sade B, Barnett GH, Shonka NA, Yung WKA, Bekele N, Gilbert MR, Kobyakov G, Absalyamova O, Amanov R, Rauschkolb PK, Drappatz J, Batchelor TT, Meyer LP, Fadul CE, Lallana EC, Nghiemphu PL, Kohanteb P, Lai A, Green RM, Cloughesy TF, Mrugala MM, Lee LK, Graham CA, Fink JR, Spence AM, Portnow J, Badie B, Liu X, Frankel P, Chen M, Synold TW, Al Jishi AA, Golan J, Polley MYC, Lamborn KR, Chang SM, Butowski N, Clarke JL, Prados M, Grommes C, Oxnard GR, Kris MG, Miller VA, Pao W, Lassman AB, Renfrow J, DeTroye A, Chan M, Tatter S, Ellis T, McMullen K, Johnson A, Mott R, Lesser GJ, Cavaliere R, Abrey LE, Mason WP, Lassman AB, Perentesis J, Ivy P, Villalona M, Nayak L, Fleisher M, Gonzalez-Espinoza R, Reiner A, Panageas K, Lin O, Liu CM, Deangelis LM, Omuro A, Taylor LP, Ammirati M, Lamki T, Zarzour H, Grecula J, Dudley RW, Kavan P, Garoufalis E, Guiot MC, Del Maestro RF, Maurice C, Belanger K, Moumdjian R, Dufresne S, Fortin C, Fortin MA, Berthelet F, Renoult E, Belair M, Rouleau D, Gallego O, Benavides M, Segura PP, Balana C, Gil MJG, Berrocal A, Reynes G, Garcia JL, Mazarico J, Bague S. Medical and Neuro-Oncology. Neuro Oncol 2010. [DOI: 10.1093/neuonc/noq116.s6] [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: 11/13/2022] Open
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Belloso W, Ivalo S, Benetucci J, Pugliese D, Garone D, Cahn P, Krolewiecki A, Casiro A, Cassetti I, Bologna R, Duran A, Toibaro J, Rieger A, Vago B, Clumeck N, Kabeya K, Cooper C, Dufresne S, Lalonde R, Walmsley S, Gerstoft J, Mathiesen L, Nielsen H, Obel N, Pedersen C, Lazzarin A, Castagna A, Bruun JN, Gatell JM, Arnaiz J, Blaxhult A, Flamholc L, Gisslén M, Vernazza P, Bingham J, Peters B, Gazzard B, Nelson M, Johnson M, Youle M, Weber J, Scullard G, Brar I, Bouzi V, Brutus A, Jayaweera DT, Mogyoros M, Rodwick BM, Stein D, Wiznia A, Schwartz R, Vandenberg-Wolf MG, Tedaldi E, Dragsted UB, Gerstoft J, Youle M, Fox Z, Losso M, Benetucci J, Jayaweera DT, Rieger A, Bruun JN, Castagna A, Gazzard B, Walmsley S, Hill A, Lundgren JD. A Randomized Trial to Evaluate Lopinavir/Ritonavir versus Saquinavir/Ritonavir in HIV-1-Infected Patients: The Maxcmin2 Trial. Antivir Ther 2005. [DOI: 10.1177/135965350501000608] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective To assess the rate of protocol-defined treatment failure and safety of lopinavir/ritonavir (LPV/r) and saquinavir/ritonavir (SAQ/r). Design Open-label, prospective, randomized (1:1), international multi-centre trial. Methods Adult HIV-1-infected patients were assigned LPV/r 400/100 mg twice daily or SAQ/r 1000/100 mg twice daily with two or more nucleoside reverse transcriptase inhibitors (NRTIs)/non-NRTIs. All patients, whether on or off the assigned treatment, were followed for 48 weeks. Results Of 339 randomized patients, 324 initiated assigned treatment (intention-to-treat/exposed [ITT/e] population). At 48 weeks, treatment failure occurred in 29/163 (18%) and 53/161 (33%) of patients in the LPV/r and SAQ/r arms, respectively (ITT/e, P=0.002, log rank test). In an analysis that also considered those patients who discontinued treatment as having failed treatment (ITT/e/discontinuation=failure), 40/161 (25%) LPV/r-treated individuals versus 63/161 (39%) SAQ/R-treated individuals failed treatment ( P=0.005, log rank test). Discontinuation of the assigned treatment occurred in 23/163 (14%) patients in the LPV/r-treated group, compared with 48/161 (30%) in the SAQ/r-treated group (ITT/e; P=0.001). The primary reasons for premature discontinuation were non-fatal adverse events (LPV/r: 12/163; SAQ/r: 21/161) and patients’ choice (LPV/r: 7/163; SAQ/r: 8/161). In the on-treatment analysis of time to treatment failure, no difference was observed between the two arms ( P=0.27, log rank test). Conclusion LPV/r had better antiretroviral effects compared with SAQ/r at the doses and in the formulations studied. This may have been a result of patients’ preferences and ability to adhere to assigned therapy, rather than a result of differences in the intrinsic potency of the study protease inhibitors.
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Affiliation(s)
| | | | - S Ivalo
- Hospital Italiano de Buenos Aires
| | | | | | | | | | | | | | | | | | | | | | - A Rieger
- University of Vienna Medical School, AKH
| | - B Vago
- University of Vienna Medical School, AKH
| | | | | | | | | | | | | | | | | | | | - N Obel
- Aarhus University Hospital
| | | | | | | | | | | | | | | | | | - M Gisslén
- Sahlgrenska University Hospital/Östra
| | | | | | | | - B Gazzard
- Chelsea and Westminster Healthcare Trust
| | - M Nelson
- Chelsea and Westminster Healthcare Trust
| | | | | | | | | | - I Brar
- Henry Ford Hospital Center
| | - V Bouzi
- Brookdale University Hospital
| | | | | | | | | | | | | | | | | | | | | | | | - Mike Youle
- Royal Free Hospital, London, United Kingdom
| | - Zoe Fox
- Hvidovre University Hospital, Copenhagen, Denmark
| | | | | | | | - Armin Rieger
- University of Vienna Medical School - AKH, Vienna, Austria
| | | | | | - Brian Gazzard
- Chelsea and Westminster Healthcare Trust, London, United Kingdom
| | - Sharon Walmsley
- Toronto Hospital, University Health Network, Toronto, Canada
| | - Andrew Hill
- University of Liverpool, Liverpool, United Kingdom
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