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Tinant G, Van Larebeke M, Lemaire B, Courteille M, Gardin C, Neefs I, Das K, Page MM, Rees JF, Larondelle Y, Debier C. Dietary methylmercury and fatty acids affect the lipid metabolism of adipose tissue and liver in rainbow trout. Aquat Toxicol 2023; 263:106673. [PMID: 37669601 DOI: 10.1016/j.aquatox.2023.106673] [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] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/07/2023]
Abstract
Methylmercury (MeHg) is a pervasive environmental contaminant in aquatic ecosystems that can reach elevated concentrations in fish of high trophic levels, such as salmonids. The present study aims at investigating the individual and combined impacts of dietary MeHg and fatty acids on lipid metabolism in juvenile rainbow trout (Oncorhynchus mykiss) with a focus on two key organs, adipose tissue and liver. MeHg and fatty acids are both known to act on energy homeostasis although little is known about their interplay on lipid metabolism in fish. Fish were fed diets enriched in linoleic acid (LA, 18:2 n-6), α-linolenic acid (ALA, 18:3 n-3), eicosapentaenoic acid (EPA, 20:5 n-3) or docosahexaenoic acid (DHA, 22:6 n-3) for ten weeks, with the addition of MeHg to the diets during the last six weeks (0, 2.4 or 5.5 mg MeHg/kg dry matter). LA and ALA are polyunsaturated fatty acids (PUFA) typical of plant-derived oils whereas EPA and DHA are n-3 long chain PUFA largely found in fish oil, all used in feed formulation in aquaculture. The results showed that the LA-enriched diet induced a higher whole-body lipid content compared to the three other diets. On the contrary, the addition of MeHg led to a significant reduction of the whole-body lipid content, regardless of the diet. Interestingly, the adipocytes were larger both in presence of LA, compared to EPA and DHA, or MeHg, indicating a lipogenic effect of these two compounds. No effect was, however, observed on lipid accumulation per gram of adipose tissue. The fatty acid composition of adipose tissue and liver was significantly modified by the dietary lipids, reflecting both the fatty acid composition of the diets and the high bioconversion capacity of the rainbow trout. Exposure to MeHg selectively led to a release of n-6 PUFA from the hepatic membranes of fish fed the LA-enriched diet, showing a disruption of the pathways using n-6 PUFA. This study highlights the significant impact of MeHg exposure and dietary fatty acids on lipid metabolism in fish. Further investigation is needed to elucidate the underlying mechanisms and to explore the potential involvement of other organs.
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Affiliation(s)
- Gilles Tinant
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium.
| | - Mélusine Van Larebeke
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Benjamin Lemaire
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Marine Courteille
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Cécile Gardin
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Ineke Neefs
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Krishna Das
- Laboratory of Oceanology, Université de Liège, 11 Allée du 6 Août, B6C, 4000 Liège, Belgium
| | - Melissa M Page
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Jean-François Rees
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Cathy Debier
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium.
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Cani P, Clarys P, Clinquart A, De Henauw S, Delzenne N, Deriemaeker P, Douny C, Guelinckx I, Huybrechts I, Huybregts L, Kolsteren P, Lachat C, Laquiere I, Larondelle Y, Leroy J, Manghuin-Rogister G, Matthys C, Mullie P, Neve J, Scippo ML, Sioen I, Remaut AM, Van Camp J, Vandevijvere S, Vansant M. Correction: Establishing a Belgian Nutrition Society (BNS): Filling the Void. Arch Public Health 2023. [PMCID: PMC9841667 DOI: 10.1186/s13690-022-01018-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Jef Leroy
- BNS founding members, Brussels, Belgium
| | | | | | | | - Jean Neve
- BNS founding members, Brussels, Belgium
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Schraverus H, Larondelle Y, Page MM. Beyond the Lab: What We Can Learn about Cancer from Wild and Domestic Animals. Cancers (Basel) 2022; 14:cancers14246177. [PMID: 36551658 PMCID: PMC9776354 DOI: 10.3390/cancers14246177] [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: 11/03/2022] [Revised: 12/02/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022] Open
Abstract
Cancer research has benefited immensely from the use of animal models. Several genetic tools accessible in rodent models have provided valuable insight into cellular and molecular mechanisms linked to cancer development or metastasis and various lines are available. However, at the same time, it is important to accompany these findings with those from alternative or non-model animals to offer new perspectives into the understanding of tumor development, prevention, and treatment. In this review, we first discuss animals characterized by little or no tumor development. Cancer incidence in small animals, such as the naked mole rat, blind mole rat and bats have been reported as almost negligible and tumor development may be inhibited by increased defense and repair mechanisms, altered cell cycle signaling and reduced rates of cell migration to avoid tumor microenvironments. On the other end of the size spectrum, large animals such as elephants and whales also appear to have low overall cancer rates, possibly due to gene replicates that are involved in apoptosis and therefore can inhibit uncontrolled cell cycle progression. While it is important to determine the mechanisms that lead to cancer protection in these animals, we can also take advantage of other animals that are highly susceptible to cancer, especially those which develop tumors similar to humans, such as carnivores or poultry. The use of such animals does not require the transplantation of malignant cancer cells or use of oncogenic substances as they spontaneously develop tumors of similar presentation and pathophysiology to those found in humans. For example, some tumor suppressor genes are highly conserved between humans and domestic species, and various tumors develop in similar ways or because of a common environment. These animals are therefore of great interest for broadening perspectives and techniques and for gathering information on the tumor mechanisms of certain types of cancer. Here we present a detailed review of alternative and/or non-model vertebrates, that can be used at different levels of cancer research to open new perspectives and fields of action.
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Iddir M, Vahid F, Merten D, Larondelle Y, Bohn T. Influence of Proteins on the Absorption of Lipophilic Vitamins, Carotenoids and Curcumin - A Review. Mol Nutr Food Res 2022; 66:e2200076. [PMID: 35506751 DOI: 10.1002/mnfr.202200076] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/26/2022] [Indexed: 12/13/2022]
Abstract
While proteins have been widely used to encapsulate, protect, and regulate the release of bioactive food compounds, little is known about the influence of co-consumed proteins on the absorption of lipophilic constituents following digestion, such as vitamins (A, D, E, K), carotenoids, and curcumin. Their bioavailability is often low and very variable, depending on the food matrix and host factors. Some proteins can act as emulsifiers during digestion. Their liberated peptides have amphiphilic properties that can facilitate the absorption of microconstituents, by improving their transition from lipid droplets into mixed micelles. Contrarily, the less well digested proteins could negatively impinge on enzymatic accessibility to the lipid droplets, slowing down their processing into mixed micelles and entrapping apolar food compounds. Interactions with mixed micelles and proteins are also plausible, as shown earlier for drugs. This review focuses on the ability of proteins to act as effective emulsifiers of lipophilic vitamins, carotenoids, and curcumin during digestion. The functional properties of proteins, their chemical interactions with enzymes and food constituents during gastro-intestinal digestion, potentials and limitations for their use as emulsifiers are emphasized and data from human, animal, and in vitro trials are summarized.
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Affiliation(s)
- Mohammed Iddir
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Science and Technology, 1 A-B, rue Thomas Edison, Strassen, L-1445, Luxembourg.,Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, 1348, Belgium
| | - Farhad Vahid
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Science and Technology, 1 A-B, rue Thomas Edison, Strassen, L-1445, Luxembourg
| | - Diane Merten
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Science and Technology, 1 A-B, rue Thomas Edison, Strassen, L-1445, Luxembourg
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, 1348, Belgium
| | - Torsten Bohn
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Science and Technology, 1 A-B, rue Thomas Edison, Strassen, L-1445, Luxembourg
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Ngnintedem Yonti C, Kenfack Tsobnang P, Lontio Fomekong R, Devred F, Mignolet E, Larondelle Y, Hermans S, Delcorte A, Lambi Ngolui J. Green Synthesis of Iron-Doped Cobalt Oxide Nanoparticles from Palm Kernel Oil via Co-Precipitation and Structural Characterization. Nanomaterials (Basel) 2021; 11:2833. [PMID: 34835601 PMCID: PMC8617965 DOI: 10.3390/nano11112833] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/11/2021] [Accepted: 10/18/2021] [Indexed: 11/16/2022]
Abstract
In this study, a bio-derived precipitating agent/ligand, palm kernel oil, has been used as an alternative route for the green synthesis of nanoparticles of Fe-doped Co3O4 via the co-precipitation reaction. The palm oil was extracted from dried palm kernel seeds by crushing, squeezing and filtration. The reaction of the palm kernel oil with potassium hydroxide, under reflux, yielded a solution containing a mixture of potassium carboxylate and excess hydroxide ions, irrespective of the length of saponification. The as-obtained solution reacts with an aqueous solution containing iron and cobalt ions to yield the desired metallo-organic precursor, iron cobalt carboxylate. Characterization of the precursors by IR and gas chromatography (GC) attests to the presence of carboxylate fatty acids in good agreement with the proportion contained in the oil, and ICP confirms that the metallic ratios are in the proportion used during the synthesis. Analysis of the products thermally decomposed between 400 °C and 600 °C by XRD, EDX, TEM and ToF-SIMS, established that cobalt iron oxide nanoparticles (Co(1-x)Fex)3O4 were obtained for x ≤ 0.2 and a nanocomposite material (Co(1-x)Fex)3O4/Fe3O4 for x ≥ 0.2, with sizes between 22 and 9 nm. ToF-SIMS and XRD provided direct evidence of the progressive substitution of cobalt by iron in the Co3O4 crystal structure for x ≤ 0.2.
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Affiliation(s)
- Cedrik Ngnintedem Yonti
- Inorganic Chemistry Department, University of Yaoundé I, Yaoundé 812, Cameroon;
- Institute of Condensed Matter and Nanosciences, Catholic University of Louvain, Croix du Sud, B-1348 Louvain-la-Neuve, Belgium; (F.D.); (S.H.); (A.D.)
| | | | - Roussin Lontio Fomekong
- Chemistry Department, Higher Teacher Training College, University of Yaoundé I, Yaoundé 47, Cameroon;
| | - Francois Devred
- Institute of Condensed Matter and Nanosciences, Catholic University of Louvain, Croix du Sud, B-1348 Louvain-la-Neuve, Belgium; (F.D.); (S.H.); (A.D.)
| | - Eric Mignolet
- Louvain Institute of Biomolecular Science and Technology, Catholic University of Louvain, Croix du Sud, B-1348 Louvain-la-Neuve, Belgium; (E.M.); (Y.L.)
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, Catholic University of Louvain, Croix du Sud, B-1348 Louvain-la-Neuve, Belgium; (E.M.); (Y.L.)
| | - Sophie Hermans
- Institute of Condensed Matter and Nanosciences, Catholic University of Louvain, Croix du Sud, B-1348 Louvain-la-Neuve, Belgium; (F.D.); (S.H.); (A.D.)
| | - Arnaud Delcorte
- Institute of Condensed Matter and Nanosciences, Catholic University of Louvain, Croix du Sud, B-1348 Louvain-la-Neuve, Belgium; (F.D.); (S.H.); (A.D.)
| | - John Lambi Ngolui
- Chemistry Department, Higher Teacher Training College, University of Yaoundé I, Yaoundé 47, Cameroon;
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Iddir M, Porras Yaruro JF, Larondelle Y, Bohn T. Gastric lipase can significantly increase lipolysis and carotenoid bioaccessibility from plant food matrices in the harmonized INFOGEST static in vitro digestion model. Food Funct 2021; 12:9043-9053. [PMID: 34608921 DOI: 10.1039/d1fo00786f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Gastrointestinal digestion of carotenoids has received much attention, as these lipophilic compounds have been related to several health benefits. Most commonly, static digestion models such as the consensus INFOGEST model are employed to study their bioaccessibility from test matrices. However, an aspect that has been much neglected is the use of gastric lipase. Its inclusion to gastro-intestinal (GI) digestion is expected to foster emulsification of lipophilic constituents prior to their incorporation into mixed micelles. In this study, we compared the effect of various lipases from R. niveus, R. oryzae, and rabbit gastric extracts (RGE), at different concentrations (0, 30, and 60 U mL-1), on carotenoid bioaccessibility from several food matrices (tomato juice, spinach, and carrot juice). We also investigated whether co-digestion of pure proteins (whey and soy protein isolates) at 0, 25, and 50% of the equivalent recommended dietary allowance, would interact with carotenoid bioaccessibility in presence or absence of RGE. Lipolysis was also studied. Considering all matrices combined, lipases significantly improved the bioaccessibility of carotenoids (p < 0.001). Compared to other lipases, RGE consistently increased carotenoid bioaccessibility in all tested matrices, by up to 182% (p < 0.001), this effect was partly maintained in the presence of co-digested proteins. Unexpectedly, all 3 lipases improved gastric lipolysis in all matrices, by an average of 10-fold (p < 0.001). In conclusion, only RGE contributed significantly to improving both lipolysis extent and carotenoid bioaccessibility in all tested matrices, while the presence of proteins mitigated the positive effect of lipases on carotenoid bioaccessibility.
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Affiliation(s)
- Mohammed Iddir
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg. .,Louvain Institute of Biomolecular Science and Technology, UC Louvain, Louvain-la-Neuve, Belgium
| | - Juan Felipe Porras Yaruro
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg. .,École Nationale Supérieure des Mines Saint-Étienne, France
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UC Louvain, Louvain-la-Neuve, Belgium
| | - Torsten Bohn
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg.
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Dierge E, Debock E, Guilbaud C, Corbet C, Mignolet E, Mignard L, Bastien E, Dessy C, Larondelle Y, Feron O. Peroxidation of n-3 and n-6 polyunsaturated fatty acids in the acidic tumor environment leads to ferroptosis-mediated anticancer effects. Cell Metab 2021; 33:1701-1715.e5. [PMID: 34118189 DOI: 10.1016/j.cmet.2021.05.016] [Citation(s) in RCA: 169] [Impact Index Per Article: 56.3] [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: 11/30/2020] [Revised: 04/06/2021] [Accepted: 05/17/2021] [Indexed: 01/02/2023]
Abstract
Tumor acidosis promotes disease progression through a stimulation of fatty acid (FA) metabolism in cancer cells. Instead of blocking the use of FAs by acidic cancer cells, we examined whether excess uptake of specific FAs could lead to antitumor effects. We found that n-3 but also remarkably n-6 polyunsaturated FA (PUFA) selectively induced ferroptosis in cancer cells under ambient acidosis. Upon exceeding buffering capacity of triglyceride storage into lipid droplets, n-3 and n-6 PUFA peroxidation led to cytotoxic effects in proportion to the number of double bonds and even more so in the presence of diacylglycerol acyltransferase inhibitors (DGATi). Finally, an n-3 long-chain PUFA-rich diet significantly delayed mouse tumor growth when compared with a monounsaturated FA-rich diet, an effect further accentuated by administration of DGATi or ferroptosis inducers. These data point out dietary PUFA as a selective adjuvant antitumor modality that may efficiently complement pharmacological approaches.
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Affiliation(s)
- Emeline Dierge
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 57 Avenue Hippocrate B1.5704, 1200 Brussels, Belgium; Louvain Institute of Biomolecular Science and Technology (LIBST), UCLouvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Elena Debock
- Louvain Institute of Biomolecular Science and Technology (LIBST), UCLouvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Céline Guilbaud
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 57 Avenue Hippocrate B1.5704, 1200 Brussels, Belgium
| | - Cyril Corbet
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 57 Avenue Hippocrate B1.5704, 1200 Brussels, Belgium
| | - Eric Mignolet
- Louvain Institute of Biomolecular Science and Technology (LIBST), UCLouvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Louise Mignard
- Louvain Institute of Biomolecular Science and Technology (LIBST), UCLouvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Estelle Bastien
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 57 Avenue Hippocrate B1.5704, 1200 Brussels, Belgium
| | - Chantal Dessy
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 57 Avenue Hippocrate B1.5704, 1200 Brussels, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology (LIBST), UCLouvain, Croix du Sud 4-5/L7.07.03, 1348 Louvain-la-Neuve, Belgium
| | - Olivier Feron
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, 57 Avenue Hippocrate B1.5704, 1200 Brussels, Belgium.
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Cornet V, Geay F, Erraud A, Mandiki SNM, Flamion E, Larondelle Y, Rollin X, Kestemont P. Modulations of lipid metabolism and development of the Atlantic salmon (Salmo salar) fry in response to egg-to-fry rearing conditions. Fish Physiol Biochem 2021; 47:979-997. [PMID: 33974164 DOI: 10.1007/s10695-021-00959-0] [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] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
In stocking program, the use of artificial incubation conditions in hatcheries from the fertilisation of eggs to the release of unfed fry could reduce their ability to adapt to the natural environment. This study evaluates the effects of three factors on the fitness and physiology of salmon fry at their emergence, the origin of water (river vs drilling), the type of support in the incubator (support matrix vs plastic sheets) and the type of incubators (Californian vs vertical trays), and compares them to a semi-natural incubation method in river. Key biological functions including nutritional and immune status were compared among experimental conditions using biometric parameters, lipid composition and gene expression analyses. Our findings demonstrated that fry incubated in vertical trays supplied with river water had no significant difference in growth and lipid composition compared to those in semi-natural incubators. Besides, fry incubated on a substrate matrix in Californian trays exhibited phenotypic characteristics closest to those incubated in river. This support matrix improved fish growth, lipid consumption and distribution compared to fry on plastic sheets. Moreover, the large amounts of several PUFAs in these fry could allow a better membrane fluidity ensuring a better adaptation to temperature variation under cold conditions. In addition, drilling water improved the survival rate compared to river water due to lower numbers of fine particles, known to be responsible for the clogging of eggs. To conclude, using a substrate combined with drilling water in artificial incubators could increase fry fitness and its adaption to wild life.
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Affiliation(s)
- Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth & Environment, University of Namur (UNamur), 5000, Namur, Belgium.
| | - Florian Geay
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth & Environment, University of Namur (UNamur), 5000, Namur, Belgium
| | - Alexandre Erraud
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth & Environment, University of Namur (UNamur), 5000, Namur, Belgium
| | - Syaghalirwa N M Mandiki
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth & Environment, University of Namur (UNamur), 5000, Namur, Belgium
| | - Enora Flamion
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth & Environment, University of Namur (UNamur), 5000, Namur, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Xavier Rollin
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth & Environment, University of Namur (UNamur), 5000, Namur, Belgium
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Iddir M, Porras Yaruro JF, Cocco E, Hardy EM, Appenzeller BMR, Guignard C, Larondelle Y, Bohn T. Impact of Protein-Enriched Plant Food Items on the Bioaccessibility and Cellular Uptake of Carotenoids. Antioxidants (Basel) 2021; 10:antiox10071005. [PMID: 34201643 PMCID: PMC8300660 DOI: 10.3390/antiox10071005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 11/30/2022] Open
Abstract
Carotenoids are lipophilic pigments which have been associated with a number of health benefits, partly related to antioxidant effects. However, due to their poor solubility during digestion, carotenoid bioavailability is low and variable. In this study, we investigated the effect of frequently consumed proteins on carotenoid bioaccessibility and cellular uptake. Whey protein isolate (WPI), soy protein isolate (SPI), sodium caseinate (SC), gelatin (GEL), turkey and cod, equivalent to 0/10/25/50% of the recommended dietary allowance (RDA, approx. 60g/d), were co-digested gastro-intestinally with carotenoid-rich food matrices (tomato and carrot juice, spinach), and digesta further studied in Caco-2 cell models. Lipid digestion, surface tension and microscopic visualization were also carried out. Co-digested proteins positively influenced the micellization of carotenes (up to 3-fold, depending on type and concentration), especially in the presence of SPI (p < 0.001). An increased cellular uptake was observed for xanthophylls/carotenes (up to 12/33%, p < 0.001), which was stronger for matrices with an initially poor carotenoid micellization (i.e., tomato juice, p < 0.001), similar to what was encountered for bioaccessibility. Turkey and cod had a weaker impact. Significant interactions between carotenoids, lipids and proteins were observed during digestion. Co-digested proteins generally improved lipid digestion in all matrices (p < 0.001), especially for carrot juice, though slight decreases were observed for GEL. Protein impact on the surface tension was limited. In conclusion, proteins generally improved both carotenoid bioaccessibility and cellular uptake, depending on the matrices and carotenoid-type (i.e., carotene vs. xanthophylls), which may be relevant under specific circumstances, such as intake of carotenoid-rich food items low in lipids.
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Affiliation(s)
- Mohammed Iddir
- Department of Population Health, Luxembourg Institute of Health, 1445 Strassen, Luxembourg; (M.I.); (J.F.P.Y.); (E.M.H.); (B.M.R.A.)
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium;
| | - Juan Felipe Porras Yaruro
- Department of Population Health, Luxembourg Institute of Health, 1445 Strassen, Luxembourg; (M.I.); (J.F.P.Y.); (E.M.H.); (B.M.R.A.)
- École Nationale Supérieure des Mines, 42023 Saint-Étienne, France
| | - Emmanuelle Cocco
- Environmental Research & Innovation Department, Luxembourg Institute of Science and Technology, L-4422 Belvaux, Luxembourg; (E.C.); (C.G.)
| | - Emilie M. Hardy
- Department of Population Health, Luxembourg Institute of Health, 1445 Strassen, Luxembourg; (M.I.); (J.F.P.Y.); (E.M.H.); (B.M.R.A.)
| | - Brice M. R. Appenzeller
- Department of Population Health, Luxembourg Institute of Health, 1445 Strassen, Luxembourg; (M.I.); (J.F.P.Y.); (E.M.H.); (B.M.R.A.)
| | - Cédric Guignard
- Environmental Research & Innovation Department, Luxembourg Institute of Science and Technology, L-4422 Belvaux, Luxembourg; (E.C.); (C.G.)
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium;
| | - Torsten Bohn
- Department of Population Health, Luxembourg Institute of Health, 1445 Strassen, Luxembourg; (M.I.); (J.F.P.Y.); (E.M.H.); (B.M.R.A.)
- Correspondence: ; Tel.: +352-621-216-637
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Tosar V, Rousseau G, Decruyenaere V, Beckers Y, Larondelle Y, Froidmont E. Red clover-rich grassland increases equol concentration in eggs from free-range laying hens. Br Poult Sci 2021; 62:840-845. [PMID: 34009075 DOI: 10.1080/00071668.2021.1929069] [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] [Indexed: 10/21/2022]
Abstract
1. The aim of this study was to evaluate the production of equol (4',7-isoflavandiol; a bacterial polyphenol metabolite which is an isoflavandiol oestrogen metabolised from daidzein from plants) enriched eggs from free-range hens fed different pasture species. Four species were tested: red clover, white clover, ryegrass and chicory.2. The study was conducted from June to September 2017 on eight free range, outdoor areas, each containing fifteen laying hens and sown with a single pasture species3. Precursors of equol (daidzein, formononetin) were analysed every fortnight from the fresh pasture cover in each area, as well as equol and daidzein levels in eggs.4. Daidzein and formononetin concentrations in the fresh pasture samples differed significantly according to species (P < 0.001), whereby red clover had the highest concentrations of daidzein and formononetin (85 and 996 µg/g DM, respectively).5. Equol concentration in eggs differed according to pasture species (P < 0.001). Equol concentrations reached about 1,200 ng/g DM in eggs from hens with access to red clover. These eggs can represent a valuable source of equol in the human diet.
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Affiliation(s)
- V Tosar
- Productions in Agriculture Department, Walloon Agricultural Research Center, Gembloux, Belgium.,Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - G Rousseau
- Knowledge and Valorization of Agricultural Products Department, Walloon Agricultural Research Center, Gembloux, Belgium
| | - V Decruyenaere
- Productions in Agriculture Department, Walloon Agricultural Research Center, Gembloux, Belgium
| | - Y Beckers
- Precision Livestock and Nutrition, University of Liège - Gembloux Agro-Bio Tech, Gembloux, Belgium
| | - Y Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - E Froidmont
- Productions in Agriculture Department, Walloon Agricultural Research Center, Gembloux, Belgium
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11
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Iddir M, Dingeo G, Porras Yaruro JF, Hammaz F, Borel P, Schleeh T, Desmarchelier C, Larondelle Y, Bohn T. Influence of soy and whey protein, gelatin and sodium caseinate on carotenoid bioaccessibility. Food Funct 2021; 11:5446-5459. [PMID: 32490498 DOI: 10.1039/d0fo00888e] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [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
Proteins could alter carotenoid bioaccessibility through altering their fate during digestion, due to emulsifying properties of resulting peptides, or influencing access of digestion enzymes to lipid droplets. In this investigation, we studied whether whey protein isolate (WPI), soy protein isolate (SPI), sodium caseinate (SC) and gelatin (GEL), added at various concentrations (expressed as percentage of recommended dietary allowance (RDA): 0, 10, 25 and 50%) would influence the bioaccessibility of lycopene, β-carotene or lutein, added as pure carotenoids solubilized in oil, during simulated gastro-intestinal (GI) digestion. Protein and lipid digestion as well as selected physico-chemical parameters including surface tension, ζ-potential and micelle size were evaluated. Adding proteins influenced positively the bioaccessibility of β-carotene, by up to 189% (p < 0.001), but it resulted in generally decreased bioaccessibility of lutein, by up to 50% (p < 0.001), while for lycopene, the presence of proteins did not influence its bioaccessibility, except for a slight increase with WPI, by up to 135% (p < 0.001). However, the effect depended significantly on the type of protein (p < 0.001) and its concentration (p < 0.001). While β-carotene bioaccessibility was greatly enhanced in the presence of SC, compared to WPI and GEL, the presence of SPI strongly decreased carotenoid bioaccessibility. Neglecting individual carotenoids, higher protein concentration correlated positively with carotenoid bioaccessibility (R = 0.57, p < 0.01), smaller micelle size (R = -0.83, p < 0.01), decreased repulsive forces (ζ-potential, R = -0.72, p < 0.01), and higher surface tension (R = 0.44, p < 0.01). In conclusion, proteins differentially affected carotenoid bioaccessibility during digestion depending on carotenoid and protein species, with both positive and negative interactions occurring.
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Affiliation(s)
- Mohammed Iddir
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg. and Louvain Institute of Biomolecular Science and Technology, UC Louvain, Louvain-la-Neuve, Belgium
| | - Giulia Dingeo
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg.
| | - Juan Felipe Porras Yaruro
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg. and École Nationale Supérieure des Mines Saint-Étienne, France
| | - Faiza Hammaz
- C2VN, INRA, INSERM, Aix-Marseille Univ, Marseille, France
| | - Patrick Borel
- C2VN, INRA, INSERM, Aix-Marseille Univ, Marseille, France
| | - Thomas Schleeh
- Luxembourg Institute of Science and Technology, Environmental Research and Innovation Department, Belvaux, Luxembourg
| | | | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UC Louvain, Louvain-la-Neuve, Belgium
| | - Torsten Bohn
- Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, Strassen, Luxembourg.
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12
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Cloos AS, Daenen LGM, Maja M, Stommen A, Vanderroost J, Van Der Smissen P, Rab M, Westerink J, Mignolet E, Larondelle Y, Terrasi R, Muccioli GG, Dumitru AC, Alsteens D, van Wijk R, Tyteca D. Impaired Cytoskeletal and Membrane Biophysical Properties of Acanthocytes in Hypobetalipoproteinemia - A Case Study. Front Physiol 2021; 12:638027. [PMID: 33708142 PMCID: PMC7940373 DOI: 10.3389/fphys.2021.638027] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/25/2021] [Indexed: 12/03/2022] Open
Abstract
Familial hypobetalipoproteinemia is a metabolic disorder mainly caused by mutations in the apolipoprotein B gene. In its homozygous form it can lead without treatment to severe ophthalmological and neurological manifestations. In contrast, the heterozygous form is generally asymptomatic but associated with a low risk of cardiovascular disease. Acanthocytes or thorny red blood cells (RBCs) are described for both forms of the disease. However, those morphological changes are poorly characterized and their potential consequences for RBC functionality are not understood. Thus, in the present study, we asked whether, to what extent and how acanthocytes from a patient with heterozygous familial hypobetalipoproteinemia could exhibit altered RBC functionality. Acanthocytes represented 50% of the total RBC population and contained mitoTracker-positive surface patches, indicating the presence of mitochondrial fragments. While RBC osmotic fragility, calcium content and ATP homeostasis were preserved, a slight decrease of RBC deformability combined with an increase of intracellular free reactive oxygen species were observed. The spectrin cytoskeleton was altered, showing a lower density and an enrichment in patches. At the membrane level, no obvious modification of the RBC membrane fatty acids nor of the cholesterol content were detected but the ceramide species were all increased. Membrane stiffness and curvature were also increased whereas transversal asymmetry was preserved. In contrast, lateral asymmetry was highly impaired showing: (i) increased abundance and decreased functionality of sphingomyelin-enriched domains; (ii) cholesterol enrichment in spicules; and (iii) ceramide enrichment in patches. We propose that oxidative stress induces cytoskeletal alterations, leading to increased membrane stiffness and curvature and impaired lipid lateral distribution in domains and spicules. In addition, ceramide- and spectrin-enriched patches could result from a RBC maturation defect. Altogether, the data indicate that acanthocytes are associated with cytoskeletal and membrane lipid lateral asymmetry alterations, while deformability is only mildly impaired. In addition, familial hypobetalipoproteinemia might also affect RBC precursors leading to disturbed RBC maturation. This study paves the way for the potential use of membrane biophysics and lipid vital imaging as new methods for diagnosis of RBC disorders.
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Affiliation(s)
- Anne-Sophie Cloos
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Laura G M Daenen
- Department of Hematology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Mauriane Maja
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Amaury Stommen
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | - Juliette Vanderroost
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
| | | | - Minke Rab
- Central Diagnostic Laboratory - Research, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Jan Westerink
- Department of Vascular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Eric Mignolet
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - Romano Terrasi
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Giulio G Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Andra C Dumitru
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - David Alsteens
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Ottignies-Louvain-la-Neuve, Belgium
| | - Richard van Wijk
- Central Diagnostic Laboratory - Research, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Donatienne Tyteca
- CELL Unit & PICT Imaging Platform, de Duve Institute, UCLouvain, Brussels, Belgium
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13
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Ferain A, Delbecque E, Neefs I, Dailly H, De Saeyer N, Van Larebeke M, Cornet V, Larondelle Y, Rees JF, Kestemont P, De Schamphelaere KAC, Debier C. Interplay between dietary lipids and cadmium exposure in rainbow trout liver: Influence on fatty acid metabolism, metal accumulation and stress response. Aquat Toxicol 2021; 231:105676. [PMID: 33341509 DOI: 10.1016/j.aquatox.2020.105676] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 10/17/2020] [Accepted: 10/31/2020] [Indexed: 06/12/2023]
Abstract
The present study aimed at investigating interactive effects between dietary lipids and both short- and long-term exposures to a low, environmentally realistic, cadmium (Cd) concentration. Juvenile rainbow trout were fed four isolipidic diets (31.7 g/kg) enriched in either linoleic acid (LA, 18:2n-6), alpha-linolenic acid (ALA, 18:3n-3), eicosapentaenoic acid (EPA, 20:5n-3) or docosahexaenoic acid (DHA, 22:6n-3). From the 4th week of this 10-week experiment, the lipid level of the diet was increased (120.0 g/kg) and half of the fish fed each diet were aqueously exposed to Cd (0.3 μg/L) while the other half were not exposed to Cd (control). Fish were sampled and their liver was harvested for fatty acid profile, hepatic Cd and calcium concentrations, total glutathione level and gene expression assessment, either (i) after 4 weeks of feeding and 24 h of Cd contamination (day 29) (short-term Cd exposure) or (ii) after 10 weeks of feeding and 6 weeks of Cd contamination (day 70) (long-term Cd exposure). We found that both dietary lipids and Cd exposure influenced fatty acid homeostasis and metabolism. The hepatic fatty acid profile mostly reflected that of the diet (e.g. n-3/n-6 ratio) with some differences, including selective retention of specific long chain polyunsaturated fatty acids (LC-PUFAs) like DHA and active biotransformation of dietary LA and ALA into LC-PUFAs. Cd effects on hepatic fatty acid profiles were influenced by the duration of the exposure and the nutritional status of the fish. The effects of diet and Cd exposure on the fatty acid profiles were only sparsely explained by variation of the expression pattern of genes involved in fatty acid metabolism. The biological responses to Cd were also influenced by dietary lipids. Fish fed the ALA-enriched diet seemed to be the least affected by the Cd exposure, as they showed a higher detoxifying ability against Cd with an early upregulation of protective metallothionein a (MTa) and apoptosis regulator BCL2-Like1 (BCLx) genes, an increased long-term phospholipid synthesis and turnover and fatty acid bioconversion efficiency, as well as a lower long-term accumulation of Cd in their liver. In contrast, fish fed the EPA-enriched diet seemed to be the most sensitive to a long-term Cd exposure, with an impaired growth performance and a decreased antioxidant capacity (lower glutathione level). Our results highlight that low, environmentally realistic aqueous concentrations of Cd can affect biological response in fish and that these effects are influenced by the dietary fatty acid composition.
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Affiliation(s)
- Aline Ferain
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium.
| | - Eva Delbecque
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Ineke Neefs
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Hélène Dailly
- Earth and Life Institute, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Nancy De Saeyer
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Mélusine Van Larebeke
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), UNamur, rue de Bruxelles 61, B-5000, Namur, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Jean-François Rees
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), UNamur, rue de Bruxelles 61, B-5000, Namur, Belgium
| | - Karel A C De Schamphelaere
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Cathy Debier
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud 4-5/L7.07.03, B-1348, Louvain-la-Neuve, Belgium.
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Tinant G, Neefs I, Das K, Rees JF, Larondelle Y, Debier C. Methylmercury displays pro-adipogenic properties in rainbow trout preadipocytes. Chemosphere 2021; 263:127917. [PMID: 33297014 DOI: 10.1016/j.chemosphere.2020.127917] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/27/2020] [Accepted: 08/03/2020] [Indexed: 06/12/2023]
Abstract
Methylmercury (MeHg) is a ubiquitous contaminant largely found in aquatic environments, especially in species at high trophic level such as salmonids. The aim of this study was to evaluate the effects of MeHg on adipocyte differentiation and lipid metabolism in rainbow trout. Primary cultured preadipocytes were exposed to increasing concentrations of MeHg during six days with or without a hormonal cocktail. Main results showed a dose-dependent intracellular accumulation of neutral lipids with a preferential uptake of n-3 polyunsaturated fatty acids. Interestingly, this accumulation occurred after a fairly low uptake of MeHg by preadipocytes and was maintained after the cellular exposure to MeHg. In membrane phospholipids, arachidonic acid (20:4 n-6) was released in a dose-dependent manner. At the transcriptional level, the expression of several adipocyte-specific genes (perilipin 2 and apolipoprotein Eb) as well as lipid-related genes (fatty acid synthase and fatty acid binding protein 11a) was up-regulated in preadipocytes exposed to MeHg. These results highlight for the first time the disrupting effect of MeHg in trout adipocyte metabolism, providing new insights regarding the role of environmental pollutants in adipose tissue dysfunction and related pathologies.
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Affiliation(s)
- Gilles Tinant
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix Du Sud 4-5/L7.07.03, 1348, Louvain-la-Neuve, Belgium.
| | - Ineke Neefs
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix Du Sud 4-5/L7.07.03, 1348, Louvain-la-Neuve, Belgium
| | - Krishna Das
- Laboratory of Oceanology, Université de Liège, 11 Allée Du 6 Août, B6C, 4000, Liège, Belgium
| | - Jean-François Rees
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix Du Sud 4-5/L7.07.03, 1348, Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix Du Sud 4-5/L7.07.03, 1348, Louvain-la-Neuve, Belgium
| | - Cathy Debier
- Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Croix Du Sud 4-5/L7.07.03, 1348, Louvain-la-Neuve, Belgium.
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15
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Debier C, Pirard L, Verhaegen M, Rzucidlo C, Tinant G, Dewulf C, Larondelle Y, Smith DR, Rees JF, Crocker DE. In vitro Lipolysis and Leptin Production of Elephant Seal Blubber Using Precision-Cut Adipose Tissue Slices. Front Physiol 2020; 11:615784. [PMID: 33362587 PMCID: PMC7758477 DOI: 10.3389/fphys.2020.615784] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 11/20/2020] [Indexed: 11/13/2022] Open
Abstract
Adipose tissue plays key roles in energy homeostasis. Understanding its metabolism and regulation is essential to predict the impact of environmental changes on wildlife health, especially in fasting-adapted species. However, in vivo experimental work in wild vertebrates can be challenging. We have developed a novel in vitro approach of precision-cut adipose tissue slices from northern elephant seal (Mirounga angustirostris) as a complementary approach to whole animal models. Blubber biopsies were collected from 14 pups during early and late post-weaning fast (Año Nuevo, CA, United States), precision-cut into 1 mm thick slices and maintained in culture at 37°C for at least 63 h. The slices exhibited an efficient response to ß-adrenergic stimulation, even after 2 days of culture, revealing good in vitro tissue function. The response to lipolytic stimulus did not vary between regions of outer and inner blubber, but was higher at early than at late fast for inner blubber slices. At early fast, lipolysis significantly reduced leptin production. At this stage, inner blubber slices were also more efficient at producing leptin than outer blubber slices, especially in the non-lipolytic condition. This model will aid the study of adipose tissue metabolism and its response to environmental stressors in marine mammals.
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Affiliation(s)
- Cathy Debier
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Laura Pirard
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Marie Verhaegen
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Caroline Rzucidlo
- Department of Biology, Sonoma State University, Rohnert Park, CA, United States
| | - Gilles Tinant
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Clément Dewulf
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Donald R Smith
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, Santa Cruz, CA, United States
| | - Jean-François Rees
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Daniel E Crocker
- Department of Biology, Sonoma State University, Rohnert Park, CA, United States
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16
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Ngo Njembe MT, Dormal E, Gardin C, Mignolet E, Debier C, Larondelle Y. Effect of the dietary combination of flaxseed and Ricinodendron heudelotii or Punica granatum seed oil on the fatty acid profile of eggs. Food Chem 2020; 344:128668. [PMID: 33267981 DOI: 10.1016/j.foodchem.2020.128668] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 06/20/2020] [Revised: 10/08/2020] [Accepted: 11/14/2020] [Indexed: 01/07/2023]
Abstract
The health promoting omega-3, -7, and -5 fatty acids, α-linolenic acid (ALA), docosahexaenoic acid (DHA), rumenic acid (RmA), and α-eleostearic acid (α-ESA)/punicic acid (PunA), are not currently combined in frequently consumed food items. We have evaluated the impact of supplementing laying hens' feeds with flaxseeds combined with oil derived from seeds of either Ricinodendron heudelotii, an α-ESA source, or Punica granatum, a PunA source, on the egg fatty acid profile. The supplemented diets increased the egg content in ALA, DHA, RmA, as well as α-ESA or PunA. The combination of dietary lipids did not affect the conversion rate of ALA into DHA. Hens fed on R. heudelotii or P. granatum seed oil both accumulated RmA in egg yolk, indicating an efficient conversion from the α-ESA or PunA precursors through a Δ-13 reductase activity. The accumulation of PunA in eggs was largely higher than that of α-ESA.
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Affiliation(s)
- M T Ngo Njembe
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium.
| | - E Dormal
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium.
| | - C Gardin
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium.
| | - E Mignolet
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium.
| | - C Debier
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium.
| | - Y Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, 1348 Louvain-la-Neuve, Belgium.
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17
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Cloos AS, Ghodsi M, Stommen A, Vanderroost J, Dauguet N, Pollet H, D'Auria L, Mignolet E, Larondelle Y, Terrasi R, Muccioli GG, Van Der Smissen P, Tyteca D. Interplay Between Plasma Membrane Lipid Alteration, Oxidative Stress and Calcium-Based Mechanism for Extracellular Vesicle Biogenesis From Erythrocytes During Blood Storage. Front Physiol 2020; 11:712. [PMID: 32719614 PMCID: PMC7350142 DOI: 10.3389/fphys.2020.00712] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 05/29/2020] [Indexed: 12/18/2022] Open
Abstract
The shedding of extracellular vesicles (EVs) from the red blood cell (RBC) surface is observed during senescence in vivo and RBC storage in vitro. Two main models for EV shedding, respectively based on calcium rise and oxidative stress, have been proposed in the literature but the role of the plasma membrane lipid composition and properties is not understood. Using blood in K+/EDTA tubes stored for up to 4 weeks at 4°C as a relevant RBC vesiculation model, we showed here that the RBC plasma membrane lipid composition, organization in domains and biophysical properties were progressively modified during storage and contributed to the RBC vesiculation. First, the membrane content in cholesterol and linoleic acid decreased whereas lipid peroxidation and spectrin:membrane occupancy increased, all compatible with higher membrane rigidity. Second, phosphatidylserine surface exposure showed a first rapid rise due to membrane cholesterol decrease, followed by a second calcium-dependent increase. Third, lipid domains mainly enriched in GM1 or sphingomyelin strongly increased from the 1st week while those mainly enriched in cholesterol or ceramide decreased during the 1st and 4th week, respectively. Fourth, the plasmatic acid sphingomyelinase activity considerably increased upon storage following the sphingomyelin-enriched domain rise and potentially inducing the loss of ceramide-enriched domains. Fifth, in support of the shedding of cholesterol- and ceramide-enriched domains from the RBC surface, the number of cholesterol-enriched domains lost and the abundance of EVs released during the 1st week perfectly matched. Moreover, RBC-derived EVs were enriched in ceramide at the 4th week but depleted in sphingomyelin. Then, using K+/EDTA tubes supplemented with glucose to longer preserve the ATP content, we better defined the sequence of events. Altogether, we showed that EV shedding from lipid domains only represents part of the global vesiculation mechanistics, for which we propose four successive events (cholesterol domain decrease, oxidative stress, sphingomyelin/sphingomyelinase/ceramide/calcium alteration and phosphatidylserine exposure).
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Affiliation(s)
- Anne-Sophie Cloos
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Marine Ghodsi
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Amaury Stommen
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Juliette Vanderroost
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Nicolas Dauguet
- GECE Unit and CYTF Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Hélène Pollet
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Ludovic D'Auria
- NCHM Unit, Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
| | - Eric Mignolet
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Romano Terrasi
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Giulio G Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Patrick Van Der Smissen
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
| | - Donatienne Tyteca
- CELL Unit and PICT Platform, de Duve Institute, Université catholique de Louvain, Brussels, Belgium
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Herman C, Pompeu DR, Campos D, Larondelle Y, Rogez H, Baeten V. Monitoring of the oxidation of the oil from sacha inchi ( Plukenetia volubilis) seeds supplemented with extracts from tara ( Caesalpinia spinosa) pods using conventional and MIR techniques. Grasas y Aceites 2020. [DOI: 10.3989/gya.0228191] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
This work focuses on the characterization of the oxidation of the oil from sacha inchi seeds (Plukenetia volubilis) under accelerated conditions at 60 ºC for 15 days. Five samples were monitored: three supplemented with 200 ppm of non-hydrolyzed or partially hydrolyzed (for 4 and 9 hours) extracts from tara (Caesalpinia spinosa) pods, one without antioxidant and one with 200 ppm of BHT. Several conventional techniques (induction time, peroxide value, conjugated dienoic acid, p-anisidine value, total unsaturated fatty acids and α-linolenic acid contents) and the MIR spectroscopy coupled with chemometric tools were used and compared. The results revealed that whatever the antioxidant added, the oil from sacha inchi is fairly stable over time. The results also pointed out that extracts from tara pods, mainly those partially hydrolyzed, were more efficient than BHT against oil oxidation for up to 7 days. Finally, this paper shows that MIR spectroscopy presents an interesting alternative technique for the monitoring of the oxidation of the oil from sacha inchi.
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19
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Nguyen TM, Mandiki SNM, Tran TNT, Larondelle Y, Mellery J, Mignolet E, Cornet V, Flamion E, Kestemont P. Growth performance and immune status in common carp Cyprinus carpio as affected by plant oil-based diets complemented with β-glucan. Fish Shellfish Immunol 2019; 92:288-299. [PMID: 31195114 DOI: 10.1016/j.fsi.2019.06.011] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/03/2019] [Accepted: 06/09/2019] [Indexed: 06/09/2023]
Abstract
Omnivorous fish species such as the common carp (Cyprinus carpio) are able to biosynthesise long chain polyunsaturated fatty acids (LC-PUFAs) from plant oil PUFA precursors, but the influence of the amount and quality of the LC-PUFAs biosynthesised from these oils on the immunocompetence status of the fish has received little attention. This study aims to evaluate whether the conversion of PUFA by carp induces a sufficient biosynthesis of LC-PUFA to maintain a good immunocompetence status in this species. Six iso-nitrogenous (crude protein = 39.1%) and iso-lipidic (crude lipids = 10%) diets containing three different lipid sources (cod liver oil (CLO) as fish oil; linseed oil (LO) and sunflower oil (SFO) as plant oils) were formulated with or without β-glucan supplementation at 0.25 g/kg diet. Juvenile carp (16.3 ± 0.6 g initial body weight) were fed a daily ration of 4% body weight for 9 weeks and then infected at day 64 with the bacteria Aeromonas hydrophyla. No significant differences in survival rate, final body weight, specific growth rate and feed conversion rate were observed between diets. After bacterial infection, mortality rate did not differ between fish fed CLO and plant oil-based diets, indicating that the latter oils did not affect the overall immunocompetence status of common carp. Plant oil-based diets did not alter lysozyme activity in healthy and infected fish. No negative effects of plant oils on complement activity (ACH50) were observed in healthy fish, even if both plant oil-based diets induced a decrease in stimulated fish two days after infection. Furthermore, the levels of various immune genes (nk, lys, il-8, pla, pge, alox) were not affected by plant oil-based diets. The expression of pla and pge genes were higher in SFO-fed fish than in CLO ones, indicating that this plant oil rich in linoleic acid (LA) better stimulated the eicosanoid metabolism process than fish oil. In response to β-glucan supplementation, some innate immune functions seemed differentially affected by plant oil-based diets. LO and SFO induced substantial LC-PUFA production, even if fish fed CLO displayed the highest EPA and DHA levels in tissues. SFO rich in LA induced the highest ARA levels in fish muscle while LO rich in α-linolenic acid (ALA) sustained higher EPA production than SFO. A significantly higher fads-6a expression level was observed in SFO fish than in LO ones, but this was not observed for elovl5 expression. In conclusion, the results show that common carp fed plant oil-based diets are able to produce substantial amounts of LC-PUFA for sustaining growth rate, immune status and disease resistance similar to fish fed a fish oil-based diet. The differences in the production capacity of LC-PUFAs by the two plant oil-based diets were associated to a differential activation of some immune pathways, explaining how the use of these oils did not affect the overall immunocompetence of fish challenged with bacterial infection. Moreover, plant oil-based diets did not induce substantial negative effects on the immunomodulatory action of β-glucans, confirming that these oils are suitable for sustaining a good immunocompetence status in common carp.
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Affiliation(s)
- Thi Mai Nguyen
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Belgium; Faculty of Fisheries, Vietnam National University of Agriculture, Hanoi, Viet Nam.
| | - Syaghalirwa N M Mandiki
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Belgium
| | - Thi Nang Thu Tran
- Faculty of Fisheries, Vietnam National University of Agriculture, Hanoi, Viet Nam
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Julie Mellery
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Eric Mignolet
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Belgium
| | - Enora Flamion
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Belgium
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), Institute of Life, Earth and Environment (ILEE), University of Namur, Belgium.
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20
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Lefevre A, Daems F, Focant M, Peeters J, Ninane V, Larondelle Y, Froidmont E. The effect of commonly used dairy processing techniques and unit operations on the equol content of dairy products. Int Dairy J 2019. [DOI: 10.1016/j.idairyj.2019.02.002] [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: 10/27/2022]
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21
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Iddir M, Degerli C, Dingeo G, Desmarchelier C, Schleeh T, Borel P, Larondelle Y, Bohn T. Whey protein isolate modulates beta-carotene bioaccessibility depending on gastro-intestinal digestion conditions. Food Chem 2019; 291:157-166. [PMID: 31006454 DOI: 10.1016/j.foodchem.2019.04.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [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: 05/25/2018] [Revised: 03/25/2019] [Accepted: 04/01/2019] [Indexed: 12/25/2022]
Abstract
Carotenoids are lipophilic phytochemicals; their intake has been associated with reduced chronic diseases. However, their absorption depends on emulsification during digestion and incorporation into mixed micelles, requiring digestive enzymes, gastric peristalsis, bile, and dietary lipids. In this study, we investigated whether whey-protein-isolate (WPI), a commonly consumed protein source, can modulate β-carotene bioaccessibility in vitro, especially under incomplete digestive conditions, i.e. under low digestive enzyme concentrations. Thus, amounts of pepsin, pancreatin, bile, co-digested lipids and kinetic energy and gastric digestion time were modified, and WPI at concentrations equivalent to 0/25/50% of the protein recommended dietary allowance (approx. 60 g/d) were added to β-carotene dissolved in oil. WPI enhanced bioaccessibility by up to 20% (p < 0.001), especially under higher simulated peristalsis or reduced amount of dietary lipids. Conversely, they impaired bioaccessibility to one third (p < 0.001) under incomplete digestive conditions. WPI modulated β-carotene bioaccessibility depending on digestive conditions.
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Affiliation(s)
- Mohammed Iddir
- Luxembourg Institute of Health, Department of Population Health, Strassen, Luxembourg; Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Celal Degerli
- Luxembourg Institute of Health, Department of Population Health, Strassen, Luxembourg; Ege University, Engineering Faculty, Food Engineering Department, Izmir, Turkey
| | - Giulia Dingeo
- Luxembourg Institute of Health, Department of Population Health, Strassen, Luxembourg
| | | | - Thomas Schleeh
- Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Patrick Borel
- C2VN, INRA, INSERM, Aix-Marseille Univ, Marseille, France
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Louvain-la-Neuve, Belgium
| | - Torsten Bohn
- Luxembourg Institute of Health, Department of Population Health, Strassen, Luxembourg.
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22
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Focant M, Froidmont E, Archambeau Q, Dang Van Q, Larondelle Y. The effect of oak tannin (Quercus robur) and hops (Humulus lupulus) on dietary nitrogen efficiency, methane emission, and milk fatty acid composition of dairy cows fed a low-protein diet including linseed. J Dairy Sci 2019; 102:1144-1159. [DOI: 10.3168/jds.2018-15479] [Citation(s) in RCA: 17] [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] [Received: 07/31/2018] [Accepted: 10/16/2018] [Indexed: 12/19/2022]
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Ferain A, Bonnineau C, Neefs I, De Saeyer N, Lemaire B, Cornet V, Larondelle Y, De Schamphelaere KAC, Debier C, Rees JF. Exploring the interactions between polyunsaturated fatty acids and cadmium in rainbow trout liver cells: a genetic and proteomic study. Aquat Toxicol 2018; 205:100-113. [PMID: 30352337 DOI: 10.1016/j.aquatox.2018.09.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/07/2018] [Accepted: 09/10/2018] [Indexed: 06/08/2023]
Abstract
Polyunsaturated fatty acids (PUFAs) have key biological roles in fish cells. We recently showed that the phospholipid composition of rainbow trout liver cells (RTL-W1 cell line) modulates their tolerance to an acute cadmium (Cd) challenge. Here, we investigated (i) the extent to which PUFAs and Cd impact fatty acid homeostasis and metabolism in these cells and (ii) possible mechanisms by which specific PUFAs may confer cytoprotection against Cd. First, RTL-W1 cells were cultivated for one week in growth media spiked with 50 μmol L-1 of either alpha-linolenic acid (ALA, 18:3n-3), eicosapentaenoic acid (EPA, 20:5n-3), linoleic acid (LA, 18:2n-6) or arachidonic acid (AA, 20:4n-6) in order to modulate their fatty acid profile. Then, the cells were challenged with Cd (0, 50 or 100 μmol L-1) for 24 h prior to assaying viability, fatty acid profile, intracellular Cd content, proteomic landscape and expression levels of genes involved in fatty acid metabolism, synthesis of PUFA-derived signalling molecules and stress response. We observed that the fatty acid supply and, to a lesser extent, the exposure to Cd influenced cellular fatty acid homeostasis and metabolism. The cellular fatty acid composition of fish liver cells modulated their tolerance to an acute Cd challenge. Enrichments in ALA, EPA, and, to a lesser extent, AA conferred cytoprotection while enrichment in LA had no impact on cell viability. The present study ruled out the possibility that cytoprotection reflects a decreased Cd burden. Our results rather suggest that the PUFA-derived cytoprotection against Cd occurs through a reduction of the oxidative stress induced by Cd and a differential induction of the eicosanoid cascade, with a possible role of peroxiredoxin and glutaredoxin (antioxidant enzymes) as well as cytosolic phospholipase A2 (enzyme initiating the eicosanoid cascade).
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Affiliation(s)
- Aline Ferain
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
| | - Chloé Bonnineau
- Irstea, UR RiverLy, Centre de Lyon-Villeurbanne, 5, 69625 Villeurbanne, France
| | - Ineke Neefs
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Nancy De Saeyer
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Benjamin Lemaire
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur, B-5000 Namur, Belgium
| | - Yvan Larondelle
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Karel A C De Schamphelaere
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Cathy Debier
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Jean-François Rees
- Louvain Institute of Biomolecular Science and Technology, Université catholique de Louvain, Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
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Ferain A, De Saeyer N, Larondelle Y, Rees JF, Debier C, De Schamphelaere KAC. Body lipid composition modulates acute cadmium toxicity in Daphnia magna adults and juveniles. Chemosphere 2018; 205:328-338. [PMID: 29704840 DOI: 10.1016/j.chemosphere.2018.04.091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/15/2018] [Accepted: 04/16/2018] [Indexed: 06/08/2023]
Abstract
Long chain polyunsaturated fatty acids (LC-PUFAs) such as eicosapentaenoic acid (EPA, 20:5n-3) affect zooplankton fitness and ability to cope with environmental stressors. However, the impact of LC-PUFAs on zooplankton sensitivity to chemical stressors is unknown. Here, we aimed to document the interaction between EPA and cadmium (Cd), as model chemical stressor, in Daphnia magna. A life-history experiment was performed in which daphnid neonates were raised into adulthood on three diets of different lipid composition: (i) algae mix; (ii) algae mix supplemented with control liposomes; (iii) algae mix supplemented with liposomes containing EPA. Juveniles (3rd, 4th and 5th brood) released by daphnids during this life-history experiment were sampled, challenged with Cd during 48 h and their immobility was assessed. At the end of this life-history experiment, another immobilisation test was performed with adults from each treatment. Daphnids absorbed, incorporated and transferred ingested EPA to their offspring. Liposome feeding increased adult tolerance to Cd. The presence of EPA in liposomes did not increase adult tolerance to Cd. Offspring's tolerance to Cd was influenced by the brood number and the maternal diet. It was positively correlated with the PUFA level in body neutral lipids, especially alpha-linolenic acid (ALA, 18:3n-3) and negatively correlated with the saturated fatty acid level in body neutral lipids, especially stearic acid (18:0). Overall, these results emphasize the importance of dietary lipids and maternal transfer of body lipids in D. magna sensitivity to Cd and highlight the need to take into account these parameters in ecotoxicological studies and risk assessment.
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Affiliation(s)
- Aline Ferain
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium; Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
| | - Nancy De Saeyer
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Yvan Larondelle
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Jean-François Rees
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Cathy Debier
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Karel A C De Schamphelaere
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
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Ferain A, Bonnineau C, Neefs I, Das K, Larondelle Y, Rees JF, Debier C, Lemaire B. Transcriptional effects of phospholipid fatty acid profile on rainbow trout liver cells exposed to methylmercury. Aquat Toxicol 2018; 199:174-187. [PMID: 29649756 DOI: 10.1016/j.aquatox.2018.03.025] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/16/2018] [Accepted: 03/20/2018] [Indexed: 06/08/2023]
Abstract
Lipids, and their constitutive fatty acids, are key nutrients for fish health as they provide energy, maintain cell structure, are precursors of signalling molecules and act as nuclear receptor ligands. These specific roles may be of crucial importance in a context of exposure to pollutants. We recently showed that the fatty acid profile of rainbow trout liver cell phospholipids modulates sensitivity to an acute methylmercury challenge. In order to investigate mechanisms of effects, we herein tested whether specific polyunsaturated fatty acids (PUFAs) may protect cells from methylmercury through decreasing intracellular mercury accumulation and/or enhancing cellular defences (e.g. via modulation of gene expression patterns). We also investigated the inverse relationship and assessed the impact of methylmercury on cellular fatty acid metabolism. To do so, the fatty acid composition of rainbow trout liver cell phospholipids was first modified by incubating them in a medium enriched in a specific PUFA from either the n-3 family (alpha-linolenic acid, ALA; eicosapentaenoic acid, EPA) or the n-6 family (linoleic acid, LA; arachidonic acid, AA). Cells were then exposed to methylmercury (0.15 or 0.50 μM) for 24 h and sampled thereafter for assessing phospholipid fatty acid profile, intracellular total mercury burden, and expression pattern of genes involved in fatty acid metabolism, synthesis of PUFA-derived signalling molecules and stress response. We observed that cells incorporated the given PUFA and some biotransformation products in their phospholipids. Methylmercury had few impacts on this cellular phospholipid composition. None of the PUFA enrichments affected the cellular mercury burden, suggesting that the previously observed cytoprotection conferred by ALA and EPA was not linked to a global decrease in cellular accumulation of mercury. Fatty acid enrichments and methylmercury exposure both modulated gene expression patterns. Genes involved in the synthesis of PUFA-derived signalling molecules, in stress response and the orphan cytochrome P450 20A1 were identified as possible sites of interaction between fatty acids and methylmercury in rainbow trout liver cells.
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Affiliation(s)
- Aline Ferain
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
| | - Chloé Bonnineau
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium; Irstea, UR RiverLy, Centre de Lyon-Villeurbanne, 5, 69625 Villeurbanne, France
| | - Ineke Neefs
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Krishna Das
- Freshwater and Oceanic sciences Unit of reSearch (FOCUS), Laboratory of Oceanology, Université de Liège, Allée du 6 août B6C, B-4000 Liège, Belgium
| | - Yvan Larondelle
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Jean-François Rees
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Cathy Debier
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
| | - Benjamin Lemaire
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
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Cornet V, Ouaach A, Mandiki SNM, Flamion E, Ferain A, Van Larebeke M, Lemaire B, Reyes López FE, Tort L, Larondelle Y, Kestemont P. Environmentally-realistic concentration of cadmium combined with polyunsaturated fatty acids enriched diets modulated non-specific immunity in rainbow trout. Aquat Toxicol 2018; 196:104-116. [PMID: 29407798 DOI: 10.1016/j.aquatox.2018.01.012] [Citation(s) in RCA: 21] [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] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 01/08/2018] [Accepted: 01/15/2018] [Indexed: 06/07/2023]
Abstract
Nutrition is crucial to grow healthy fish particularly in a context of pollution, overcrowding and pathogen risks. Nowadays, the search for food components able to improve fish health is increasingly developing. Here, the influence of four dietary polyunsaturated fatty acids (PUFAs) that are alpha-linolenic acid (ALA, 18:3n-3), linoleic acid (LA, 18:2n-6), eicosapentaenoic acid (EPA, 20:5n-3) and docosahexaenoic acid (DHA, 22:6n-3) on the sensitivity of rainbow trout (Oncorhynchus mykiss) juveniles to environmentally realistic cadmium (Cd, 0.3 μg/L) concentration was investigated. Fish diets were designed to ensure the specific abundance of one of these individual PUFAs, and were given for a 4-week pre-conditioning period followed by a 6-week Cd exposure period. Focus was put on growth performance and immune responses following a short (24 h) and a long-term (6 weeks) Cd exposure. For each experimental condition, some fish were submitted to a bacterial challenge (24 h) with Aeromonas salmonicida achromogenes at the end of Cd conditioning period. DHA-enriched diet improved growth performances as compared to LA-enriched diet, but also increased ROS production (after short-term exposure to Cd) that could lead to a higher inflammation status, and some immunity-related genes (at short and long-term exposure). We notably highlighted the fact that even a low, environmentally-realistic concentration, Cd can strongly impact the immune system of rainbow trout, and that specific dietary PUFA enrichment strategies can improve growth performance (DHA-enriched diet), provide protection against oxidative stress (ALA- and EPA-enriched diet) and stimulate non-specific immunity.
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Affiliation(s)
- Valérie Cornet
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), 5000 Namur, Belgium.
| | - Abderrahim Ouaach
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), 5000 Namur, Belgium
| | - S N M Mandiki
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), 5000 Namur, Belgium
| | - Enora Flamion
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), 5000 Namur, Belgium
| | - Aline Ferain
- Institute of Life Sciences, Université Catholique de Louvain (UCL), 1348 Louvain-la-Neuve, Belgium
| | - Mélusine Van Larebeke
- Institute of Life Sciences, Université Catholique de Louvain (UCL), 1348 Louvain-la-Neuve, Belgium
| | - Benjamin Lemaire
- Institute of Life Sciences, Université Catholique de Louvain (UCL), 1348 Louvain-la-Neuve, Belgium
| | - Felipe E Reyes López
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Lluis Tort
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Yvan Larondelle
- Institute of Life Sciences, Université Catholique de Louvain (UCL), 1348 Louvain-la-Neuve, Belgium
| | - Patrick Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), 5000 Namur, Belgium
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Pachikian BD, Druart C, Catry E, Bindels LB, Neyrinck AM, Larondelle Y, Cani PD, Delzenne NM. Implication of trans-11,trans-13 conjugated linoleic acid in the development of hepatic steatosis. PLoS One 2018; 13:e0192447. [PMID: 29389988 PMCID: PMC5794163 DOI: 10.1371/journal.pone.0192447] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 01/23/2018] [Indexed: 12/15/2022] Open
Abstract
SCOPE Conjugated linoleic acids are linoleic acid isomers found in the diet that can also be produced through bacterial metabolism of polyunsaturated fatty acids. Our objective was to evaluate the contribution of fatty acid metabolites produced from polyunsaturated fatty acids by the gut microbiota in vivo to regulation of hepatic lipid metabolism and steatosis. METHODS AND RESULTS In mice with depleted n-3 polyunsaturated fatty acids, we observed an accumulation of trans-11,trans-13 CLA and cis-9,cis-11 conjugated linoleic acids in the liver tissue that were associated with an increased triglyceride content and expression of lipogenic genes. We used an in vitro model to evaluate the impact of these two conjugated linoleic acids on hepatic lipid metabolism. In HepG2 cells, we observed that only trans-11,trans-13 conjugated linoleic acids recapitulated triglyceride accumulation and increased lipogenic gene expression, which is a phenomenon that may implicate the nuclear factors sterol regulatory element binding protein 1c (SREBP-1c) and carbohydrate-responsive element-binding protein (ChREBP). CONCLUSION The trans-11,trans-13 conjugated linoleic acids can stimulate hepatic lipogenesis, which supports the conclusion that gut microbiota and related metabolites should be considered in the treatment of non-alcoholic liver disease.
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Affiliation(s)
- Barbara D. Pachikian
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Céline Druart
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Emilie Catry
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Laure B. Bindels
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Audrey M. Neyrinck
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
| | - Yvan Larondelle
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Patrice D. Cani
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
- Université catholique de Louvain, WELBIO, WELBIO (Walloon Excellence in Life sciences and BIOtechnology), Louvain Drug Research Institute, Metabolism and Nutrition Research Group, Brussels, Belgium
| | - Nathalie M. Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
- * E-mail:
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Abstract
PURPOSE OF REVIEW Black rice has been consumed for centuries in Asian countries such as China, Korea or Japan. Nowadays, extracts and derivatives are considered as beneficial functional foods because of their high content in several bioactive molecules such as anthocyanins, other phenolics and terpenoids. The purpose of this review is to summarize and discuss recent developments on black rice bioactivities. RECENT FINDINGS Some sterols and triterpenoids with potential anticancer properties already tested in vitro and in vivo have been isolated and identified from bran extracts of black rice. Protection against osteoporosis has been suggested for the first time for black rice extracts. Because of its antioxidant and anti-inflammatory properties, black rice also protects liver and kidney from injuries. One clinical study reported the interest of black rice in case of alcohol withdrawal. SUMMARY Several advances have been recently achieved on the understanding of the potential biological effects of black rice and its derivatives. They further confirm that black rice should be considered as a promising source of health-promoting functional foods targeting a large set of noninfectious diseases. However, more clinical studies are needed to support the findings highlighted in this review.
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Affiliation(s)
- Aécio L de S Dias
- aCollege of Biotechnology, Universidade Federal do Pará & Centre for Valorization of Amazonian Bioactive Compounds, Belém-PA, Brazil bCenter of Investigation in Clinical Nutrition, Université catholique de Louvain, Louvain-la-Neuve, Belgium cLife Sciences Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium dPharmacognosy research group, Louvain Drug Research Institute, Université catholique de Louvain, Brussels, Belgium
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Coomans de Brachène A, Dif N, de Rocca Serra A, Bonnineau C, Velghe AI, Larondelle Y, Tyteca D, Demoulin JB. PDGF-induced fibroblast growth requires monounsaturated fatty acid production by stearoyl-CoA desaturase. FEBS Open Bio 2017; 7:414-423. [PMID: 28286737 PMCID: PMC5337901 DOI: 10.1002/2211-5463.12194] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [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: 08/19/2016] [Revised: 11/29/2016] [Accepted: 12/29/2016] [Indexed: 11/11/2022] Open
Abstract
Stearoyl-coenzyme A desaturase (SCD) catalyzes the Δ9-cis desaturation of saturated fatty acids (SFA) to generate monounsaturated fatty acids (MUFA). This enzyme is highly up-regulated by platelet-derived growth factor (PDGF) in human fibroblasts. Accordingly, the analysis of cellular fatty acids by gas chromatography showed that PDGF significantly increased the proportion of MUFA, particularly palmitoleate, in cellular lipids. To further analyze the role of SCD in fibroblasts, we used small hairpin RNA targeting SCD (shSCD), which decreased the MUFA content. SCD down-regulation blunted the proliferation of fibroblasts in response to PDGF. This was confirmed using a pharmacological inhibitor of SCD. In addition, proliferation was blocked by palmitate and stearate (two SCD substrates) but not by palmitoleate and oleate (two SCD products). In the presence of an equal amount of oleate, palmitate had no effect on cell proliferation. SCD inhibition or down-regulation did not decrease PDGF receptor activity or signaling. However, by measuring plasma membrane lipid lateral diffusion by fluorescence recovery after photobleaching, we showed that the modulation of the MUFA/SFA ratio by PDGF and SCD inhibitor was related to modifications of membrane fluidity. Altogether, our data suggest that SCD is required for the response of normal fibroblasts to growth factors.
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Affiliation(s)
| | - Nicolas Dif
- de Duve Institute MEXP unit Université catholique de Louvain Brussels Belgium
| | | | - Chloé Bonnineau
- Institute of Life Sciences Université catholique de Louvain Louvain-La-Neuve Belgium
| | - Amélie I Velghe
- de Duve Institute MEXP unit Université catholique de Louvain Brussels Belgium
| | - Yvan Larondelle
- Institute of Life Sciences Université catholique de Louvain Louvain-La-Neuve Belgium
| | - Donatienne Tyteca
- de Duve Institute CELL unit Université catholique de Louvain Brussels Belgium
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30
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Mellery J, Geay F, Tocher DR, Kestemont P, Debier C, Rollin X, Larondelle Y. Temperature Increase Negatively Affects the Fatty Acid Bioconversion Capacity of Rainbow Trout (Oncorhynchus mykiss) Fed a Linseed Oil-Based Diet. PLoS One 2016; 11:e0164478. [PMID: 27736913 PMCID: PMC5063364 DOI: 10.1371/journal.pone.0164478] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 09/26/2016] [Indexed: 02/03/2023] Open
Abstract
Aquaculture is meant to provide fish rich in omega-3 long chain polyunsaturated fatty acids (n-3 LC-PUFA). This objective must be reached despite (1) the necessity to replace the finite and limited fish oil in feed production and (2) the increased temperature of the supply water induced by the global warming. The objective of the present paper was to determine to what extent increased water temperature influences the fatty acid bioconversion capacity of rainbow trout (Oncorhynchus mykiss) fed a plant-derived diet. Fish were fed two diets formulated with fish oil (FO) or linseed oil (LO) as only added lipid source at the optimal water temperature of 15°C or at the increased water temperature of 19°C for 60 days. We observed that a temperature increase close to the upper limit of the species temperature tolerance range negatively affected the feed efficiency of rainbow trout fed LO despite a higher feed intake. The negative impact of increased water temperature on fatty acid bioconversion capacity appeared also to be quite clear considering the reduced expression of fatty acid desaturase 2 in liver and intestine and the reduced Δ6 desaturase enzymatic activity in intestinal microsomes. The present results also highlighted a negative impact of increased temperature on the apparent in vivo enzymatic activity of Δ5 and Δ6 desaturases of fish fed LO. Interestingly, this last parameter appeared less affected than those mentioned above. This study highlights that the increased temperature that rainbow trout may face due to global warming could reduce their fatty acid bioconversion capacity. The unavoidable replacement of finite fish oil by more sustainable, readily available and economically viable alternative lipid sources in aquaculture feeds should take this undeniable environmental issue on aquaculture productivity into account.
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Affiliation(s)
- Julie Mellery
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Florian Geay
- Unité de Recherche en Biologie Environnementale et Evolutive, Université de Namur, Namur, Belgium
| | - Douglas R. Tocher
- Institute of Aquaculture, School of Natural Sciences, University of Stirling, Stirling, Scotland, United Kingdom
| | - Patrick Kestemont
- Unité de Recherche en Biologie Environnementale et Evolutive, Université de Namur, Namur, Belgium
| | - Cathy Debier
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Xavier Rollin
- Earth and Life Institute, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
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31
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Andre CM, Legay S, Deleruelle A, Nieuwenhuizen N, Punter M, Brendolise C, Cooney JM, Lateur M, Hausman J, Larondelle Y, Laing WA. Multifunctional oxidosqualene cyclases and cytochrome P450 involved in the biosynthesis of apple fruit triterpenic acids. New Phytol 2016; 211:1279-94. [PMID: 27214242 PMCID: PMC5089662 DOI: 10.1111/nph.13996] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 03/29/2016] [Indexed: 05/20/2023]
Abstract
Apple (Malus × domestica) accumulates bioactive ursane-, oleanane-, and lupane-type triterpenes in its fruit cuticle, but their biosynthetic pathway is still poorly understood. We used a homology-based approach to identify and functionally characterize two new oxidosqualene cyclases (MdOSC4 and MdOSC5) and one cytochrome P450 (CYP716A175). The gene expression patterns of these enzymes and of previously described oxidosqualene cyclases were further studied in 20 apple cultivars with contrasting triterpene profiles. MdOSC4 encodes a multifunctional oxidosqualene cyclase producing an oleanane-type triterpene, putatively identified as germanicol, as well as β-amyrin and lupeol, in the proportion 82 : 14 : 4. MdOSC5 cyclizes 2,3-oxidosqualene into lupeol and β-amyrin at a ratio of 95 : 5. CYP716A175 catalyses the C-28 oxidation of α-amyrin, β-amyrin, lupeol and germanicol, producing ursolic acid, oleanolic acid, betulinic acid, and putatively morolic acid. The gene expression of MdOSC1 was linked to the concentrations of ursolic and oleanolic acid, whereas the expression of MdOSC5 was correlated with the concentrations of betulinic acid and its caffeate derivatives. Two new multifuntional triterpene synthases as well as a multifunctional triterpene C-28 oxidase were identified in Malus × domestica. This study also suggests that MdOSC1 and MdOSC5 are key genes in apple fruit triterpene biosynthesis.
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Affiliation(s)
- Christelle M. Andre
- Department of Environmental Research and InnovationLuxembourg Institute of Science and TechnologyAvenue des Hauts‐FourneauxL‐4362Esch/AlzetteLuxembourg
| | - Sylvain Legay
- Department of Environmental Research and InnovationLuxembourg Institute of Science and TechnologyAvenue des Hauts‐FourneauxL‐4362Esch/AlzetteLuxembourg
| | - Amélie Deleruelle
- Department of Environmental Research and InnovationLuxembourg Institute of Science and TechnologyAvenue des Hauts‐FourneauxL‐4362Esch/AlzetteLuxembourg
- Institut des Sciences de la VieUCLouvainB‐1348Louvain‐la‐NeuveBelgium
| | - Niels Nieuwenhuizen
- The New Zealand Institute for Plant & Food Research LimitedMt Albert Research CentrePrivate Bag 92 169Auckland1142New Zealand
| | - Matthew Punter
- The New Zealand Institute for Plant & Food Research LimitedMt Albert Research CentrePrivate Bag 92 169Auckland1142New Zealand
| | - Cyril Brendolise
- The New Zealand Institute for Plant & Food Research LimitedMt Albert Research CentrePrivate Bag 92 169Auckland1142New Zealand
| | - Janine M. Cooney
- The New Zealand Institute for Plant & Food Research LimitedRuakuraHamilton3240New Zealand
| | - Marc Lateur
- Walloon Agricultural Research CentreRue de LirouxB‐5030GemblouxBelgium
| | - Jean‐François Hausman
- Department of Environmental Research and InnovationLuxembourg Institute of Science and TechnologyAvenue des Hauts‐FourneauxL‐4362Esch/AlzetteLuxembourg
| | - Yvan Larondelle
- Institut des Sciences de la VieUCLouvainB‐1348Louvain‐la‐NeuveBelgium
| | - William A. Laing
- The New Zealand Institute for Plant & Food Research LimitedMt Albert Research CentrePrivate Bag 92 169Auckland1142New Zealand
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32
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Ferain A, Bonnineau C, Neefs I, Rees JF, Larondelle Y, Schamphelaere KACD, Debier C. The fatty acid profile of rainbow trout liver cells modulates their tolerance to methylmercury and cadmium. Aquat Toxicol 2016; 177:171-181. [PMID: 27288598 DOI: 10.1016/j.aquatox.2016.05.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Revised: 05/12/2016] [Accepted: 05/22/2016] [Indexed: 06/06/2023]
Abstract
The polyunsaturated fatty acid (PUFA) composition of fish tissues, which generally reflects that of the diet, affects various cellular properties such as membrane structure and fluidity, energy metabolism and susceptibility to oxidative stress. Since these cellular parameters can play an important role in the cellular response to organic and inorganic pollutants, a variation of the PUFA supply might modify the toxicity induced by such xenobiotics. In this work, we investigated whether the cellular fatty acid profile has an impact on the in vitro cell sensitivity to two environmental pollutants: methylmercury and cadmium. Firstly, the fatty acid composition of the rainbow trout liver cell line RTL-W1 was modified by enriching the growth medium with either alpha-linolenic acid (ALA, 18:3n-3), eicosapentaenoic acid (EPA, 20:5n-3), docosahexaenoic acid (DHA, 22:6n-3), linoleic acid (LA, 18:2n-6), arachidonic acid (AA, 20:4n-6) or docosapentaenoic acid (DPA, 22:5n-6). These modified cells and their control (no PUFA enrichment) were then challenged for 24h with increasing concentrations of methylmercury or cadmium. We observed that (i) the phospholipid composition of the RTL-W1 cells was profoundly modulated by changing the PUFA content of the growth medium: major modifications were a high incorporation of the supplemented PUFA in the cellular phospholipids, the appearance of direct elongation and desaturation metabolites in the cellular phospholipids as well as a change in the gross phospholipid composition (PUFA and monounsaturated fatty acid (MUFA) levels and n-3/n-6 ratio); (ii) ALA, EPA and DPA enrichment significantly protected the RTL-W1 cells against both methylmercury and cadmium; (iv) DHA enrichment significantly protected the cells against cadmium but not methylmercury; (v) AA and LA enrichment had no impact on the cell tolerance to both methylmercury and cadmium; (vi) the abundance of 20:3n-6, a metabolite of the n-6 biotransformation pathway, in phospholipids was negatively correlated to the cell tolerance to both methylmercury and cadmium. Overall, our results highlighted the importance of the fatty acid supply on the tolerance of fish liver cells to methylmercury and cadmium.
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Affiliation(s)
- Aline Ferain
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
| | - Chloé Bonnineau
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium; Irstea, UR MALY, Centre de Lyon-Villeurbanne, rue de la Doua 5/32108, F-69616 Villeurbanne, France
| | - Ineke Neefs
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Jean François Rees
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Yvan Larondelle
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - Karel A C De Schamphelaere
- Laboratory of Environmental Toxicology and Aquatic Ecology, Environmental Toxicology Unit, Ghent University, J. Plateaustraat 22, B-9000 Ghent, Belgium
| | - Cathy Debier
- Institute of Life Sciences, Université catholique de Louvain, Place Croix du Sud 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
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33
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Ladele B, Kpoviessi S, Ahissou H, Gbenou J, Kpadonou-Kpoviessi B, Mignolet E, Hérent MF, Bero J, Larondelle Y, Quetin-Leclercq J, Moudachirou M. Chemical composition and nutritional properties of Terminalia catappa L. oil and kernels from Benin. CR CHIM 2016. [DOI: 10.1016/j.crci.2016.02.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [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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Douny C, Razanakolona R, Ribonnet L, Milet J, Baeten V, Rogez H, Scippo ML, Larondelle Y. Linseed oil presents different patterns of oxidation in real-time and accelerated aging assays. Food Chem 2016; 208:111-5. [PMID: 27132830 DOI: 10.1016/j.foodchem.2016.04.010] [Citation(s) in RCA: 21] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 03/25/2016] [Accepted: 04/04/2016] [Indexed: 10/22/2022]
Abstract
This study aimed at verifying if the hypothesis that one day at 60°C is equivalent to one month at 20°C could be confirmed during linseed oil aging for 6months at 20°C and 6days at 60°C using the "Schaal oven stability test". Tests were conducted with linseed oil supplemented or not with myricetin or butyl-hydroxytoluene as antioxidants. Oxidation was evaluated with the peroxide and p-anisidine values, as well as the content in conjugated dienes and aldehydes. All four indicators of oxidation showed very different kinetic behaviors at 20 and 60°C. The hypothesis is thus not verified for linseed oil, supplemented or not with antioxidant. In the control oil, the conjugated dienes and the peroxide value observed were respectively of 41.8±0.8 Absorbance Unit (AU)/g oil and 254.3±5.8meq.O2/kg oil after 6months at 20°C. These values were of 18.2±1.3AU/g oil and 65.2±20.3meq.O2/kg after 6days at 60°C.
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Affiliation(s)
- Caroline Douny
- Department of Food Sciences, Laboratory of Food Analysis, FARAH - Veterinary Public Health, University of Liège, B43bis, Quartier Vallée 2, Avenue de Cureghem 10, 4000 Liège, Belgium.
| | - Rina Razanakolona
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
| | - Laurence Ribonnet
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
| | - Jérôme Milet
- Oxylent SA, Chemin du Fundus, 15, B-7822 Ghislenghien, Belgium.
| | - Vincent Baeten
- Valorisation of Agricultural Products Department, Henseval Building, Walloon Agricultural Research Centre (CRA-W), 24 Chaussée de Namur, B-5030 Gembloux, Belgium.
| | - Hervé Rogez
- Centre for Agro-Food Valorisation of Amazonian Bioactive Compounds (CVACBA), Universidade Federal do Para, 66.095-780 Belém, PA, Brazil.
| | - Marie-Louise Scippo
- Department of Food Sciences, Laboratory of Food Analysis, FARAH - Veterinary Public Health, University of Liège, B43bis, Quartier Vallée 2, Avenue de Cureghem 10, 4000 Liège, Belgium.
| | - Yvan Larondelle
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
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Passo Tsamo CV, Herent MF, Tomekpe K, Happi Emaga T, Quetin-Leclercq J, Rogez H, Larondelle Y, Andre CM. Effect of boiling on phenolic profiles determined using HPLC/ESI-LTQ-Orbitrap-MS, physico-chemical parameters of six plantain banana cultivars (Musa sp). J Food Compost Anal 2015. [DOI: 10.1016/j.jfca.2015.08.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [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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36
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Geay F, Mellery J, Tinti E, Douxfils J, Larondelle Y, Mandiki SNM, Kestemont P. Effects of dietary linseed oil on innate immune system of Eurasian perch and disease resistance after exposure to Aeromonas salmonicida achromogen. Fish Shellfish Immunol 2015; 47:782-796. [PMID: 26497094 DOI: 10.1016/j.fsi.2015.10.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 10/12/2015] [Accepted: 10/15/2015] [Indexed: 06/05/2023]
Abstract
This study was designated to investigate the effects of dietary fish oil (FO diet) replacement by linseed oil (LO diet) on regulation of immune response and disease resistance in Eurasian perch (Perca fluviatilis). A control diet containing fish oil (FO = cod liver oil) and characterized by high levels of n-3 high LC-PUFA (6% EPA, 7.5% of total fatty acids (FAs)) was compared to linseed oil diet (LO diet) composed of low LC-PUFA contents (1% EPA, 2.3% DHA of total FAs) but high C18 fatty acids levels. The experiment was conducted in quadruplicate groups of 80 fish each. After 10 weeks of feeding, the innate immune status was evaluated in various organs (liver, spleen, and head-kidney) (feeding condition). Two days later, a bacterial challenge was performed on fish from 2 rearing conditions: fish infected with Aeromonas salmonicida (bacteria condition) and fish injected with sterile medium but maintained in the same flow system that fish challenged with bacteria (sentinel condition). Three days after injection of bacteria, a significant decrease of lymphocyte, thrombocyte and basophil populations was observed while neutrophils were not affected. In addition, plasma lysozyme activity and reactive oxygen species production in kidney significantly increased in fish challenged with A. salmonicida while the plasma alternative complement pathway activity was not affected. Increase of plasma lysozyme activity as well as reactive oxygen species production in spleen and kidney of sentinel fish suggest that these immune defenses can also be activated, but at lower bacteria concentration than infected fish. No differences in leucocyte populations, plasma lysozyme and alternative complement pathway activities were observed between dietary treatments. Similarly, expression of genes related to eicosanoid synthesis in liver were not affected by the dietary oil source but were strongly stimulated in fish challenged with A. salmonicida. These findings demonstrated that the use of linseed oil does not deplete the innate immune system of Eurasian perch juveniles.
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Affiliation(s)
- F Geay
- Research Unit of Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles, 61, 5000 Namur, Belgium
| | - J Mellery
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 2/L7.05.08, 1348 Louvain-la-Neuve, Belgium
| | - E Tinti
- Unité de Chimie Physique Théorique et Structurale, Université de Namur (UNamur), Rue de Bruxelles 61, 5000 Namur, Belgium
| | - J Douxfils
- Research Unit of Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles, 61, 5000 Namur, Belgium
| | - Y Larondelle
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 2/L7.05.08, 1348 Louvain-la-Neuve, Belgium
| | - S N M Mandiki
- Research Unit of Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles, 61, 5000 Namur, Belgium
| | - P Kestemont
- Research Unit of Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles, 61, 5000 Namur, Belgium.
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Geay F, Wenon D, Mellery J, Tinti E, Mandiki SNM, Tocher DR, Debier C, Larondelle Y, Kestemont P. Dietary Linseed Oil Reduces Growth While Differentially Impacting LC-PUFA Synthesis and Accretion into Tissues in Eurasian Perch (Perca fluviatilis). Lipids 2015; 50:1219-32. [PMID: 26439838 DOI: 10.1007/s11745-015-4079-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 09/04/2015] [Indexed: 10/23/2022]
Abstract
The aim of this study was to evaluate the impact of replacing dietary fish oil (FO) with linseed oil (LO) on growth, fatty acid composition and regulation of lipid metabolism in Eurasian perch (Perca fluviatilis) juveniles. Fish (17.5 g initial body weight) were fed isoproteic and isoenergetic diets containing 116 g/kg of lipid for 10 weeks. Fish fed the LO diet displayed lower growth rates and lower levels of DHA in the liver and muscle than fish fed the FO diet, while mortality was not affected by dietary treatment. However, DHA content recorded in the liver and muscle of fish fed the LO diet remained relatively high, despite a weight gain of 134 % and a reduced dietary level of long-chain polyunsaturated fatty acids (LC-PUFA), suggesting endogenous LC-PUFA biosynthesis. This was supported by the higher amounts of pathway intermediates, including 18:4n-3, 20:3n-3, 20:4n-3, 18:3n-6 and 20:3n-6, recorded in the liver of fish fed the LO diet in comparison with those fed the FO diet. However, fads2 and elovl5 gene expression and FADS2 enzyme activity were comparable between the two groups. Similarly, the expression of genes involved in eicosanoid synthesis was not modulated by dietary LO. Thus, the present study demonstrated that in fish fed LO for 10 weeks, growth was reduced but DHA levels in tissues were largely maintained compared to fish fed FO, suggesting a physiologically relevant rate of endogenous LC-PUFA biosynthesis capacity.
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Affiliation(s)
- F Geay
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium
| | - D Wenon
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium
| | - J Mellery
- Institut des Sciences de la Vie, UCLouvain, Croix du Sud, 2/L7.05.08, 1348, Louvain-La-Neuve, Belgium
| | - E Tinti
- Unité de Chimie Physique Théorique et Structurale, Université de Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium
| | - S N M Mandiki
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium
| | - D R Tocher
- Institute of Aquaculture, School of Natural Sciences, University of Stirling, Stirling, FK9 4LA, Scotland, UK
| | - C Debier
- Institut des Sciences de la Vie, UCLouvain, Croix du Sud, 2/L7.05.08, 1348, Louvain-La-Neuve, Belgium
| | - Y Larondelle
- Institut des Sciences de la Vie, UCLouvain, Croix du Sud, 2/L7.05.08, 1348, Louvain-La-Neuve, Belgium
| | - P Kestemont
- Research Unit in Environmental and Evolutionary Biology (URBE), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium.
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Mellery J, Geay F, Stas C, Tocher DR, Kestemont P, Rollin X, Larondelle Y. DOES THE WATER TEMPERATURE INFLUENCE THE FATTY ACID METABOLISM OF RAINBOW TROUT (ONCORHYNCHUS MYKISS) FED A VEGETABLE DIET? Commun Agric Appl Biol Sci 2015; 80:45-49. [PMID: 26630754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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Pachikian B, Druart C, Neyrinck A, Larondelle Y, Delzenne N. P185: Un métabolite lipidique produit par le microbiote intestinal, l’acide linoléique conjugué trans-11, trans-13, active la voie de la lipogenèse dans le foie. NUTR CLIN METAB 2014. [DOI: 10.1016/s0985-0562(14)70827-1] [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: 10/24/2022]
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Lai TNH, André CM, Chirinos R, Nguyen TBT, Larondelle Y, Rogez H. Optimisation of extraction of piceatannol from Rhodomyrtus tomentosa seeds using response surface methodology. Sep Purif Technol 2014. [DOI: 10.1016/j.seppur.2014.07.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Valérie Passo Tsamo C, Andre CM, Ritter C, Tomekpe K, Ngoh Newilah G, Rogez H, Larondelle Y. Characterization of Musa sp. fruits and plantain banana ripening stages according to their physicochemical attributes. J Agric Food Chem 2014; 62:8705-8715. [PMID: 25101926 DOI: 10.1021/jf5021939] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This study aimed at understanding the contribution of the fruit physicochemical parameters to Musa sp. diversity and plantain ripening stages. A discriminant analysis was first performed on a collection of 35 Musa sp. cultivars, organized in six groups based on the consumption mode (dessert or cooking banana) and the genomic constitution. A principal component analysis reinforced by a logistic regression on plantain cultivars was proposed as an analytical approach to describe the plantain ripening stages. The results of the discriminant analysis showed that edible fraction, peel pH, pulp water content, and pulp total phenolics were among the most contributing attributes for the discrimination of the cultivar groups. With mean values ranging from 65.4 to 247.3 mg of gallic acid equivalents/100 g of fresh weight, the pulp total phenolics strongly differed between interspecific and monospecific cultivars within dessert and nonplantain cooking bananas. The results of the logistic regression revealed that the best models according to fitting parameters involved more than one physicochemical attribute. Interestingly, pulp and peel total phenolic contents contributed in the building up of these models.
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Lai TNH, André C, Rogez H, Mignolet E, Nguyen TBT, Larondelle Y. Nutritional composition and antioxidant properties of the sim fruit (Rhodomyrtus tomentosa). Food Chem 2014; 168:410-6. [PMID: 25172728 DOI: 10.1016/j.foodchem.2014.07.081] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [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: 02/14/2014] [Revised: 07/13/2014] [Accepted: 07/15/2014] [Indexed: 11/19/2022]
Abstract
In this study, detailed chemical properties of sim (Rhodomyrtus tomentosa (Ait.) Hassk.) fruit including nutritional composition, phenolic content and antioxidant capacity were determined for the first time. A 150g serving of sim fruit contained high levels of dietary fibre (69.94-87.43% of Recommended Daily Intake (RDI)), α-tocopherol (38.90-51.87% RDI), manganese (>100% RDI), and copper (44.44% RDI) but low levels of protein (2.63% RDI), lipid (1.59-3.5% RDI), and sugars (5.65% RDI). The predominant fatty acid in the sim fruit sample was linoleic acid (75.36% of total fatty acids). Interestingly, total phenolics (49.21±0.35mg gallic acid equivalent (GAE)/g dry weight (DW)) were particularly high and resulted in a high antioxidant capacity (431.17±14.56μmol Trolox equivalent (TE)/g DW). These results, together with our recent discovery of high amount of piceatannol, a stilbene with potent biological activities, highlight the potential of sim, an under-utilised plant species from South-East Asia, as a new source of health-promoting compounds including dietary fibres, essential fatty acids, and phenolic compounds.
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Affiliation(s)
- Thi Ngoc Ha Lai
- Institut des Sciences de la Vie, UCLouvain, Belgium; Faculty of Food Sciences and Technology, Vietnam National University of Agriculture, Viet Nam
| | - Christelle André
- Centre de Recherche Public-Gabriel Lippmann, Department "Environment and Agro-biotechnologies", Luxembourg.
| | - Hervé Rogez
- Centre for Agro-food Valorisation of Amazonian Bioactive Compounds (CVACBA), Universidade Federal do Para, Brazil
| | | | - Thi Bich Thuy Nguyen
- Faculty of Food Sciences and Technology, Vietnam National University of Agriculture, Viet Nam
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Passo Tsamo CV, Herent MF, Tomekpe K, Happi Emaga T, Quetin-Leclercq J, Rogez H, Larondelle Y, Andre C. Phenolic profiling in the pulp and peel of nine plantain cultivars (Musa sp.). Food Chem 2014; 167:197-204. [PMID: 25148979 DOI: 10.1016/j.foodchem.2014.06.095] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [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: 03/06/2014] [Revised: 05/18/2014] [Accepted: 06/24/2014] [Indexed: 11/26/2022]
Abstract
The present study investigated the phenolic profiles of the pulp and peel of nine plantain cultivars and compared them to those of two dessert bananas of commercial interest (Grand Nain and Gros Michel), alongside a newly created hybrid, resistant to black sigatoka disease (F568). Identification and quantification of phenolic compounds were performed by means of HPLC-ESI-HR-MS and HPLC-DAD. Hydroxycinnamic acids, particularly ferulic acid-hexoside with 4.4-85.1 μg/g of dry weight, dominated in the plantain pulp and showed a large diversity among cultivars. Flavonol glycosides were predominant in plantain peels, rutin (242.2-618.7 μg/g of dry weight) being the most abundant. A principal component analysis on the whole data revealed that the phenolic profiles of the hybrid, the dessert bananas and the pure plantains differed from each other. Plantain pulps and peels appeared as good sources of phenolics, which could be involved in the health benefits associated with their current applications.
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Affiliation(s)
- Claudine Valérie Passo Tsamo
- Institut des Sciences de la Vie, UCLouvain, 1348 Louvain-la-Neuve, Belgium; Centre for Food and Nutrition Research, Institute of Medical Research and Medicinal Plant Studies, P.O. Box 6163, Yaounde, Cameroon
| | | | - Kodjo Tomekpe
- Agricultural Research Centre for International Development (CIRAD), 34398 Montpellier, France
| | - Thomas Happi Emaga
- African Research Centre on Banana and Plantain (CARBAP), Njombe, P.O. Box 832, Douala, Cameroon
| | | | - Hervé Rogez
- Centre for Agro-Food Valorisation of Amazonian Bioactive Compounds, Federal University of Para, 66.095-780 Belem-PA, Brazil
| | - Yvan Larondelle
- Institut des Sciences de la Vie, UCLouvain, 1348 Louvain-la-Neuve, Belgium
| | - Christelle Andre
- Environment and Agro-Biotechnologies Department, Public Research Centre - Gabriel Lippmann, L-4422 Belvaux, Luxembourg.
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Louis C, Van den Daelen C, Tinant G, Bourez S, Thomé JP, Donnay I, Larondelle Y, Debier C. Efficient in vitro adipocyte model of long-term lipolysis: a tool to study the behavior of lipophilic compounds. In Vitro Cell Dev Biol Anim 2014; 50:507-18. [PMID: 24477563 DOI: 10.1007/s11626-014-9733-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Accepted: 01/09/2014] [Indexed: 12/22/2022]
Abstract
The triglycerides (TGs) stored in the white adipose tissue are mobilized during periods of negative energy balance. To date, there is no in vitro model of adipocytes imitating a long period of negative energy balance in which triglycerides are highly mobilized. Such model would allow studying the mobilization of TGs and lipophilic compounds trapped within the adipose tissue (e.g., pollutants and vitamins). The present study aims at developing a performing long-term in vitro lipolysis in adipocytes, resulting in a significant decrease of TG stores. Lipolysis was induced on differentiated rat adipocytes by a lipolytic medium with or without isoproterenol for 12 h. The condition with isoproterenol was duplicated, once with medium renewal every 3 h and once without medium renewal. Adding isoproterenol efficiently triggered lipolysis in a short time (3 h). However, a single stimulation by isoproterenol, without medium renewal, was not sufficient to reduce the TG content during a longer term (12 h). A reesterification of fatty acids occurred after a few hours of lipolysis, resulting in a novel increase of cellular lipids. Regular medium renewal combined with repeated isoproterenol stimulations led to almost emptied cells after 12 h. However, medium renewal without isoproterenol stimulation for 12 h was as efficient in terms of lipid mobilization. Our study demonstrates that, over a short-term period, isoproterenol is required to exert a significant lipolytic effect on adipocytes. During a long-term period, the presence of isoproterenol is no longer essential. Instead, medium renewal becomes the main factor involved in cell emptying. The efficiency of this protocol was demonstrated by visual tracking of the cells and by monitoring the dynamics of release of a lipophilic compound, PCB-153, from adipocytes during lipolysis.
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Affiliation(s)
- Caroline Louis
- Institut des Sciences de la Vie, UCLouvain, Croix du Sud 2/L7.05.08, 1348, Louvain-la-Neuve, Belgium,
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During A, Larondelle Y. The O-methylation of chrysin markedly improves its intestinal anti-inflammatory properties: Structure–activity relationships of flavones. Biochem Pharmacol 2013; 86:1739-46. [DOI: 10.1016/j.bcp.2013.10.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Revised: 10/01/2013] [Accepted: 10/01/2013] [Indexed: 01/31/2023]
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Dias ALS, Rozet E, Larondelle Y, Hubert P, Rogez H, Quetin-Leclercq J. Development and validation of an UHPLC-LTQ-Orbitrap MS method for non-anthocyanin flavonoids quantification in Euterpe oleracea juice. Anal Bioanal Chem 2013; 405:9235-49. [PMID: 24136248 DOI: 10.1007/s00216-013-7325-z] [Citation(s) in RCA: 42] [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] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Revised: 08/20/2013] [Accepted: 08/26/2013] [Indexed: 11/29/2022]
Abstract
Euterpe oleracea fruits have gained much attention because of their phenolic constituents that have shown potential health benefits. The aim of this work was to quantify the major non-anthocyanin flavonoids (NAF) in the fruit juice by an accurate method coupling ultra-high pressure liquid chromatography with a linear ion trap-high resolution Orbitrap mass spectrometry system (UHPLC-LTQ-Orbitrap MS). Fruits were processed to juice, and then the juice was lyophilized and defatted. The residue was then extracted in the presence of methanol by sonication. The extraction time was optimized and recovery rates of the extraction were >90%. The extracts were dried and solubilized again in 40% MeOH, which showed the best compromise for MS detection. For the UHPLC quantification, a HSS C18 column (1.8 μm) was used with a gradient elution of methanol and water both with 0.1% formic acid. Total error and accuracy profiles were used as validation criteria. Seven compounds and their isomers were successfully separated, including the major NAF. Calibration in the matrix was found to be more accurate than calibration without matrix. Trueness (<15% relative bias), repeatability, and intermediate precision (<13% RSD), selectivity, response function, linearity, LOD (ranged from 0.04 to 0.81 μg/mL) and LOQ (0.15-5.78 μg/mL) for 12 compounds were evaluated and the quantification method was validated. Its applicability was demonstrated on real samples from different suppliers. Their qualitative and quantitative profiles were similar and some compounds were for the first time quantified. In addition, eriodictyol was identified for the first time in this fruit along with five other flavonoids for which possible structures were proposed.
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Affiliation(s)
- Aécio L S Dias
- Laboratoire de Pharmacognosie, LDRI, Université catholique de Louvain, Av. E. Mounier, 72, B1.72.03, 1200, Brussels, Belgium
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Silva EM, Rogez H, da Silva IQ, Larondelle Y. Improving the desorption of Inga edulis flavonoids from macroporous resin: Towards a new model to concentrate bioactive compounds. Food and Bioproducts Processing 2013. [DOI: 10.1016/j.fbp.2012.11.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Rogez H, Akwie SNLT, Moura FG, Larondelle Y. Kinetic modeling of anthocyanin degradation and microorganism growth during postharvest storage of açai fruits (Euterpe oleracea). J Food Sci 2013; 77:C1300-6. [PMID: 23240969 DOI: 10.1111/j.1750-3841.2012.02996.x] [Citation(s) in RCA: 17] [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] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The unavoidable damage of açai (Euterpe oleracea) fruits (AF) during picking leads to microbial contamination and anthocyanin degradation, which prejudice the consumed fruit drink. Thirteen lots of AF (24 kg) from different municipal districts of the Pará State (Brazil) were monitored during a 75-h-long storage in the dark at 30 °C for microbial growth, and 7 lots for anthocyanin degradation. On arrival at the laboratory, anthocyanins presented a mean concentration of 828 mg kg(-1) fruits with a standard deviation of 323 mg kg(-1) fruits whereas mean microbial contamination was 2.64 10(6) CFU g(-1) of dry matter for total mesophilic bacteria, 1.98 10(3) MPN g(-1) DM for fecal coliforms, and 1.11 10(5) CFU g(-1) DM for moulds and yeasts. Kinetic growth of the microbes could be fitted to a quadratic equation with an unusual rapid growth during the 1st 24 h. The kinetics of anthocyanin degradation fitted a 1st-order equation. The mean velocity constant of the reaction (k(1)) was of 0.0137 h(-1) and the mean half-life (t(½)) of the anthocyanins was 50 h. These results indicate that the AF simultaneously suffer extensive anthocyanin degradation and explosive microbial growth during the postharvest period needing a special care.
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Affiliation(s)
- Hervé Rogez
- Faculdade de Engenharia de Alimentos, Univ. Federal do Pará, and Centre for Agro-food Valorisation of Amazonian Bioactive Compounds (CVACBA), Av. Perimetral s/n, 66.095-780 Belém, PA, Brazil
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Beguin P, Errachid A, Larondelle Y, Schneider YJ. Effect of polyunsaturated fatty acids on tight junctions in a model of the human intestinal epithelium under normal and inflammatory conditions. Food Funct 2013; 4:923-31. [PMID: 23660640 DOI: 10.1039/c3fo60036j] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Owing to their immune-modulatory action on the intestinal mucosa immune cells, the n-3 and n-6 polyunsaturated fatty acids (PUFA) have been suggested to modulate the risk and development of inflammatory bowel diseases. Failure in the intestinal barrier is an important hallmark of inflammatory bowel diseases. This study aimed at evaluating the impact of dietary PUFA on tight junction protein localisation and on the modulation of epithelial permeability under physiological conditions or under an inflammatory stress. For this purpose, we first confirmed the accumulation of PUFA in phospholipid fractions of Caco-2 cells upon 7 days of incubation with specific PUFA. Thereafter, Caco-2 cells were cultured in inserts, which provide a model of the human intestinal barrier. Accumulation of dietary n-3 PUFA in phospholipids did not affect the presence of occludin in tight junction complexes, while that of dietary n-6 PUFA decreased it. Whatever the PUFA, at 30 μM, no distortion of the Caco-2 barrier function was observed. Otherwise, 150 μM of docosahexaenoic acid (DHA) affected ZO-1 intensity under normal conditions, but not occludin or the barrier function parameters. Finally, to simulate an inflammatory state, cells were exposed for 24 h to interleukin-1β, tumor necrosis factor-α, interferon-γ at their basolateral side and to lypopolysaccharides at both sides. DHA limited the effect of inflammatory stimulus on occludin, ZO-1 and barrier function. In conclusion, this study has evidenced the specific effect of individual PUFA to modulate occludin and ZO-1 localization, according to the inflammatory status of this in vitro model of the intestinal barrier.
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Affiliation(s)
- Pauline Beguin
- Institut des Sciences de la Vie & UCLouvain, Croix du Sud, 1348 Louvain-la-Neuve, Belgium
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Hollebeeck S, Borlon F, Schneider YJ, Larondelle Y, Rogez H. Development of a standardised human in vitro digestion protocol based on macronutrient digestion using response surface methodology. Food Chem 2012; 138:1936-44. [PMID: 23411328 DOI: 10.1016/j.foodchem.2012.11.041] [Citation(s) in RCA: 46] [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] [Subscribe] [Scholar Register] [Received: 10/27/2011] [Revised: 10/11/2012] [Accepted: 11/08/2012] [Indexed: 11/17/2022]
Abstract
Bioaccessibility studies should be taken into account when evaluating the physiological effects of ingested compounds at the intestine level. Several in vitro digestion protocols have been described, with a wide range of experimental conditions but no optimised protocol exists. In order to fill in this gap, we evaluated the influence of three continuous factors (pH, incubation time, and enzyme concentrations), in the range of values found in literature, on the digestion of standard macronutrients (starch, albumin, triolein) alone or in mixture. Three central composite designs, using response surface methodology, were employed to model the three abiotic steps of pre-colonic digestion. A validated in vitro digestion was eventually set up for the salivary step (pH 6.9, 5 min, 3.9 units α-amylase/ml), the gastric step (pH 2, 90 min, 71.2 units pepsin/ml), and the abiotic duodenal step (pH 7, 150 min, 9.2mg pancreatin and 55.2mg bile extract/ml).
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Affiliation(s)
- Sylvie Hollebeeck
- Institut des Sciences de la Vie & UCLouvain, B-1348 Louvain-la-Neuve, Belgium
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