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Toxins 2018, 10(5), 205; https://doi.org/10.3390/toxins10050205

Is 3-Carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF) a Clinically Relevant Uremic Toxin in Haemodialysis Patients?

1
Department of Nephrology, Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, F-69495 Pierre-Benite, France
2
University of Lyon, CarMeN lab, INSERM U1060, INRA U1397, INSA de Lyon, Université Claude Bernard Lyon 1, F-69621 Villeurbanne, France
3
Association Pour l’Utilisation du Rein Artificiel dans la Region Lyonnaise (AURAL), F-69008 Lyon, France
4
Laboratoire d’Analyse Medicale Cerballiance Rhone alpes, F-69008 Lyon, France
These authors contribute equally to this work.
*
Author to whom correspondence should be addressed.
Received: 23 April 2018 / Revised: 10 May 2018 / Accepted: 15 May 2018 / Published: 18 May 2018
(This article belongs to the Section Uremic Toxins)
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Abstract

3-Carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF) is a metabolite of furan fatty acid and a marker of fish oil intake. CMPF is described as a protein-bound uremic toxin and interacts with free oxygen radicals, which can induce cell damages. However, the clinical consequences of CMPF accumulation in haemodialysis patients remain poorly documented. The aims of this study are to investigate potential association between CMPF levels and (i) biochemical and nutritional parameters; (ii) cardiovascular events and (iii) mortality. Two hundred and fifty-two patients undergoing maintenance haemodialysis were included. Routine clinical biochemistry tests and assay for CMPF by HPLC technique were performed at the inclusion. Body composition parameters were measured using a bioimpedance spectroscopy method. The enrolled patients were prospectively monitored for cardiovascular events and mortality. CMPF level was positively correlated with nutritional parameters and lean mass and is significantly higher in patients without protein-energy wasting. However, the multivariate linear regression analysis indicated that CMPF level was not independently associated with albumin, prealbumin, creatinemia and body mass index. Elevated serum CMPF was not associated with mortality and cardiovascular morbidity. Our results indicate that CMPF is not a relevant uremic toxin in haemodialysis and in contrast could be a marker of healthy diet and omega 3 intakes. View Full-Text
Keywords: CMPF; Uremic toxins; CKD; haemodialysis; protein energy wasting; nutrition CMPF; Uremic toxins; CKD; haemodialysis; protein energy wasting; nutrition
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Luce, M.; Bouchara, A.; Pastural, M.; Granjon, S.; Szelag, J.C.; Laville, M.; Arkouche, W.; Fouque, D.; Soulage, C.O.; Koppe, L. Is 3-Carboxy-4-methyl-5-propyl-2-furanpropionate (CMPF) a Clinically Relevant Uremic Toxin in Haemodialysis Patients? Toxins 2018, 10, 205.

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