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Rahban M, Ahmad F, Piatyszek MA, Haertlé T, Saso L, Saboury AA. Stabilization challenges and aggregation in protein-based therapeutics in the pharmaceutical industry. RSC Adv 2023; 13:35947-35963. [PMID: 38090079 PMCID: PMC10711991 DOI: 10.1039/d3ra06476j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/30/2023] [Indexed: 04/26/2024] Open
Abstract
Protein-based therapeutics have revolutionized the pharmaceutical industry and become vital components in the development of future therapeutics. They offer several advantages over traditional small molecule drugs, including high affinity, potency and specificity, while demonstrating low toxicity and minimal adverse effects. However, the development and manufacturing processes of protein-based therapeutics presents challenges related to protein folding, purification, stability and immunogenicity that should be addressed. These proteins, like other biological molecules, are prone to chemical and physical instabilities. The stability of protein-based drugs throughout the entire manufacturing, storage and delivery process is essential. The occurrence of structural instability resulting from misfolding, unfolding, and modifications, as well as aggregation, poses a significant risk to the efficacy of these drugs, overshadowing their promising attributes. Gaining insight into structural alterations caused by aggregation and their impact on immunogenicity is vital for the advancement and refinement of protein therapeutics. Hence, in this review, we have discussed some features of protein aggregation during production, formulation and storage as well as stabilization strategies in protein engineering and computational methods to prevent aggregation.
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Affiliation(s)
- Mahdie Rahban
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences Kerman Iran
| | - Faizan Ahmad
- Department of Biochemistry, School of Chemical & Life Sciences, Jamia Hamdard New Delhi-110062 India
| | | | | | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University Rome Italy
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran Tehran 1417614335 Iran +9821 66404680 +9821 66956984
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Tytarenko N, Tesliuk N, Merlich A, Haertlé T, Ivanytsia V. Impact of Enterococcus italicus ONU547 on the growth and acclimatization of micropropagated Rubus fruticosus L. and Paulownia tomentosa Steud. plants to ex vitro conditions. BioTechnologia (Pozn) 2023; 104:301-313. [PMID: 37850117 PMCID: PMC10578123 DOI: 10.5114/bta.2023.130732] [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: 01/10/2023] [Revised: 03/19/2023] [Accepted: 05/18/2023] [Indexed: 10/19/2023] Open
Abstract
Clonal micropropagation is an effective method for plant reproduction, applicable in both scientific and industrial domains. However, a significant number of microclones are lost during the ex vitro acclimatization process. To address this, the introduction of beneficial microorganisms into the rhizosphere of micropropagated plants could have a positive effect on the survival rates and external characteristics of acclimatized plantlets. The aim of this study was to determine the protective and growth-promoting potential of Enterococcus italicus ONU547 and its effect on micropropagated plants during acclimatization. The antagonistic activity of the bacteria was determined using the agar block method. Lepidium sativum L. seeds were inoculated with bacterial suspensions at concentrations of 106, 107, and 108 CFU/ml. Subsequently, the roots of the microclones were treated with suspensions of 106 and 107 CFU/ml, and biometric characteristics were measured. The results demonstrated antagonistic properties against various phytopathogenic fungi, including Aspergillus niger, Cladosporium cladosporioides, Alternaria alternata, Alternaria tenuissima, Rhizoctonia cerealis, Penicillium expansum, and Paecilomyces variotii. Inoculation of L. sativum L. seeds resulted in improved germination rates, increased root numbers, and enhanced root and shoot lengths. Similarly, the effects of the studied bacteria on Rubus fruticosus L. and Paulownia tomentosa Steud. during the acclimatization stage led to higher survival rates, increased shoot lengths, greater node numbers, and larger leaf areas. A concentration of 107 CFU/ml was identified as optimal for inoculating the microclones. The findings indicate that E. italicus ONU547 holds promise for the inoculation of micropropagated plants during the acclimatization process. Further research is recommended to establish the specific interaction mechanisms between these bacteria and plants.
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Affiliation(s)
| | | | - Andrii Merlich
- Odesa I.I. Mechnikov National University, Odesa, Ukraine
| | - Thomas Haertlé
- Institut National des la Recherche Agronomique, Nantes, France
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Zohoorian-Abootorabi T, Meratan AA, Jafarkhani S, Muronetz V, Haertlé T, Saboury AA. Modulation of cytotoxic amyloid fibrillation and mitochondrial damage of α-synuclein by catechols mediated conformational changes. Sci Rep 2023; 13:5275. [PMID: 37002248 PMCID: PMC10066314 DOI: 10.1038/s41598-023-32075-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 03/22/2023] [Indexed: 04/03/2023] Open
Abstract
The interplay between α-synuclein (α-syn) and catechols plays a central role in Parkinson's disease. This may be related to the modulating effects of catechols on the various aspects of α-syn fibrillization. Some of these effects may be attributed to the membrane-binding properties of the protein. In this work, we compare the effect of some catechols, including dopamine, epinephrine, DOPAL, and levodopa in micromolar concentrations, on the in vitro cytotoxicity of α-syn fibrils on human neuroblastoma SH-SY5Y cells. The study was followed by comparing the interactions of resulting structures with rat brain mitochondria used as an in vitro biological model. The obtained results demonstrate that catechols-induced structures have lost their cytotoxicity mimicking apoptotic cell death mediated by α-syn aggregates in different proportions. Moreover, α-syn fibrils-induced mitochondrial dysfunction, evaluated by a range of biochemical assays, was modulated by catechols-modified α-syn oligomers in different manners, as levodopa and DOPAL demonstrated the maximal and minimal effects, respectively. The plausible mechanism causing the inhibition of α-syn cytotoxic fibrillization and mitochondrial dysfunction by catechols is discussed. Taken together, we propose that catechols can prevent the cytotoxic assembly of α-syn and its destructive effects on mitochondria at various stages, suggesting that decreased levels of catechols in dopaminergic neurons might accelerate the α-syn cytotoxicity and mitochondrial dysfunction implicating Parkinson's disease.
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Affiliation(s)
| | - Ali Akbar Meratan
- Department of Biological Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, 45137-66731, Iran.
| | - Saeed Jafarkhani
- Division of Biomedical Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, 57131-14399, Iran
| | - Vladimir Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Thomas Haertlé
- National Institute of Agronomic and Environmental Research, 44316, Nantes, France
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, 14176-14335, Iran.
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Rahban M, Zolghadri S, Salehi N, Ahmad F, Haertlé T, Rezaei-Ghaleh N, Sawyer L, Saboury AA. Thermal stability enhancement: Fundamental concepts of protein engineering strategies to manipulate the flexible structure. Int J Biol Macromol 2022; 214:642-654. [DOI: 10.1016/j.ijbiomac.2022.06.154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 01/28/2023]
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Atarod D, Mamashli F, Ghasemi A, Moosavi-Movahedi F, Pirhaghi M, Nedaei H, Muronetz V, Haertlé T, Tatzelt J, Riazi G, Saboury AA. Bivalent metal ions induce formation of α-synuclein fibril polymorphs with different cytotoxicities. Sci Rep 2022; 12:11898. [PMID: 35831343 PMCID: PMC9279330 DOI: 10.1038/s41598-022-15472-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 06/24/2022] [Indexed: 11/18/2022] Open
Abstract
α-Synuclein (α-Syn) aggregates are key components of intracellular inclusion bodies characteristic of Parkinson’s disease (PD) and other synucleinopathies. Metal ions have been considered as the important etiological factors in PD since their interactions with α-Syn alter the kinetics of fibrillation. In the present study, we have systematically explored the effects of Zn2+, Cu2+, Ca2+, and Mg2+ cations on α-Syn fibril formation. Specifically, we determined fibrillation kinetics, size, morphology, and secondary structure of the fibrils and their cytotoxic activity. While all cations accelerate fibrillation, we observed distinct effects of the different ions. For example, Zn2+ induced fibrillation by lower tlag and higher kapp and formation of shorter fibrils, while Ca2+ ions lead to formation of longer fibrils, as evidenced by dynamic light scattering and atomic force microscopy studies. Additionally, the morphology of formed fibrils was different. Circular dichroism and attenuated total reflection-Fourier transform infrared spectroscopies revealed higher contents of β-sheets in fibrils. Interestingly, cell viability studies indicated nontoxicity of α-Syn fibrils formed in the presence of Zn2+ ions, while the fibrils formed in the presence of Cu2+, Ca2+, and Mg2+ were cytotoxic. Our results revealed that α-Syn fibrils formed in the presence of different divalent cations have distinct structural and cytotoxic features.
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Affiliation(s)
- Deyhim Atarod
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Fatemeh Mamashli
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Atiyeh Ghasemi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | | | - Mitra Pirhaghi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Hadi Nedaei
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Vladimir Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia, 119991
| | - Thomas Haertlé
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.,National Institute of Agronomic and Environmental Research, 44316, Nantes, France
| | - Jörg Tatzelt
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany.,Cluster of Excellence RESOLV, Ruhr University Bochum, Bochum, Germany
| | - Gholamhossein Riazi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
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Bazukyan IL, Rostomyan AV, Hovhannisyan AG, Aleksanyan TM, Hakobyan LL, Dallakyan AM, Haertlé T. The effects of UV, gamma- and X-ray irradiation on the growth, antibacterial activity and radio-protective of Lactobacillus rhamnosus. Lett Appl Microbiol 2022; 75:1151-1159. [PMID: 35775865 DOI: 10.1111/lam.13779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/07/2022] [Accepted: 06/13/2022] [Indexed: 11/30/2022]
Abstract
Ionizing radiation is widely applied in food production as preservation technology and for correction of gut microbiome of cancer patients, rescuers, astronauts etc. Lactic acid bacteria can be used with the same reason. The main goal of this study was to investigate the effect of irradiation on some activities of Lactobacillus rhamnosus MDC 9661 and its effect on survival of irradiated rats. The results indicate that both UV (during 45 min) and X-ray irradiations (with 2 Sv) decreased the CFU and the antibacterial activity of the strain. Higher than 700 Sv dose of X-ray irradiation resulted in the total inhibition of antibacterial activity with the total reduction of CFU less than 10 cells ml-1 , while irradiated with 1000 Sv dose L. rhamnosus MDC 9661 did not lose its proteolytic activity. It was also shown that L. rhamnosus MDC 9661 was not immunogenic in the organism of the rats and cannot lead to the development of autoimmune responses. L. rhamnosus MDC 9661 demonstrated the necessary properties for probiotics and can be effectively used for the correction of the gut microbiome of all target groups. The co-aggregation of the cells is one of the mechanisms for resistance of lactic acid bacteria to irradiation.
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Affiliation(s)
- I L Bazukyan
- Yerevan State University, Faculty of Biology, Department of Biochemistry, Microbiology and Biotechnology
| | - A V Rostomyan
- Yerevan State University, Faculty of Biology, Department of Biochemistry, Microbiology and Biotechnology
| | - A G Hovhannisyan
- Yerevan State University, Faculty of Biology, Department of Biochemistry, Microbiology and Biotechnology
| | - T M Aleksanyan
- Yerevan State University, Faculty of Biology, Department of Biochemistry, Microbiology and Biotechnology
| | - L L Hakobyan
- Yerevan State University, Faculty of Biology, Department of Biochemistry, Microbiology and Biotechnology
| | - A M Dallakyan
- National Burn Center CJSC, Ministry of Health of the, Republic of Armenia
| | - T Haertlé
- Institut National de la Recherche Agronomique, Nantes, France
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7
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Limanska N, Merlich A, Zlatohurska M, Galkin M, Korotaieva N, Ivanytsia T, Choiset Y, Ivanytsia V, Haertlé T. BACTERIOCIN ASSOCIATED GENES IN FRENCH AND UKRAINIAN FERMENTED VEGETABLE ISOLATES OF LACTIPLANTIBACILLUS PLANTARUM. J microb biotech food sci 2022. [DOI: 10.55251/jmbfs.5871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Lactiplantibacillus plantarum species is known for the high diversity of the loci encoding bacteriocin (plantaricin) production. The aim of this work was to study the distribution of pln genes in French and Ukrainian isolates of L. plantarum originated from fermented plant material. PCR with the primers to plnA, plnB, plnC, plnD, plnEF, plnI, plnK, plnJ, plnG, plnN, plnW genes was performed to find out the peculiarities of L. plantarum strains. French and Ukrainian isolates shared none of the identical combinations of genes from plantaricin regulon indicating the diversity of pln loci in L. plantarum of fermented plant origin from the distant geographical regions. Certain combinations of genes from plantaricin regulon could be proposed as indicators marking the geographical origin of L. plantarum strains. Among the studied isolates, some resembled the described in the literature L. plantarum strains, and others contained unique combinations of pln genes.
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Gholampour B, Gholampour S, Noruzi A, Arsenault C, Haertlé T, Saboury AA. Retracted articles in oncology in the last three decades: frequency, reasons, and themes. Scientometrics 2022. [DOI: 10.1007/s11192-022-04305-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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El Mecherfi KE, Todorov SD, Cavalcanti de Albuquerque MA, Denery-Papini S, Lupi R, Haertlé T, Dora Gombossy de Melo Franco B, Larré C. Allergenicity of Fermented Foods: Emphasis on Seeds Protein-Based Products. Foods 2020; 9:foods9060792. [PMID: 32560210 PMCID: PMC7353565 DOI: 10.3390/foods9060792] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [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: 05/20/2020] [Revised: 06/10/2020] [Accepted: 06/13/2020] [Indexed: 12/12/2022] Open
Abstract
Food allergy is an IgE-mediated abnormal response to otherwise harmless food proteins, affecting between 5% and 10% of the world preschool children population and 1% to 5% adults. Several physical, chemical, and biotechnological approaches have been used to reduce the allergenicity of food allergens. Fermentation processes that contribute to technological and desirable changes in taste, flavor, digestibility, and texture of food products constitute one of these approaches. Lactic acid bacteria (LAB), used as starter cultures in dairy products, are a subject of increasing interest in fermentation of plant proteins. However, the studies designed to assess the impact of LAB on reduction of allergenicity of seed proteins are at an early stage. This review presents the current knowledge on food fermentation, with a focus on seed proteins that are increasingly used as ingredients, and its impacts on food potential allergenicity.
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Affiliation(s)
- Kamel-Eddine El Mecherfi
- INRAE UR1268 BIA, 3 impasse Y. Cauchois—Rue de la Géraudière CS 71627, 44000 Nantes, France; (K.-E.E.M.); (S.D.-P.); (R.L.); (T.H.)
| | - Svetoslav Dimitrov Todorov
- Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-080, Brazil; (S.D.T.); (M.A.C.d.A.); (B.D.G.d.M.F.)
| | - Marcela Albuquerque Cavalcanti de Albuquerque
- Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-080, Brazil; (S.D.T.); (M.A.C.d.A.); (B.D.G.d.M.F.)
| | - Sandra Denery-Papini
- INRAE UR1268 BIA, 3 impasse Y. Cauchois—Rue de la Géraudière CS 71627, 44000 Nantes, France; (K.-E.E.M.); (S.D.-P.); (R.L.); (T.H.)
| | - Roberta Lupi
- INRAE UR1268 BIA, 3 impasse Y. Cauchois—Rue de la Géraudière CS 71627, 44000 Nantes, France; (K.-E.E.M.); (S.D.-P.); (R.L.); (T.H.)
| | - Thomas Haertlé
- INRAE UR1268 BIA, 3 impasse Y. Cauchois—Rue de la Géraudière CS 71627, 44000 Nantes, France; (K.-E.E.M.); (S.D.-P.); (R.L.); (T.H.)
| | - Bernadette Dora Gombossy de Melo Franco
- Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-080, Brazil; (S.D.T.); (M.A.C.d.A.); (B.D.G.d.M.F.)
| | - Colette Larré
- INRAE UR1268 BIA, 3 impasse Y. Cauchois—Rue de la Géraudière CS 71627, 44000 Nantes, France; (K.-E.E.M.); (S.D.-P.); (R.L.); (T.H.)
- Correspondence: ; Tel.: +33-(0)2-40-67-51-31
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Allahdad Z, Varidi M, Zadmard R, Haertlé T, Sawyer L, Saboury AA. Efficiency of milk proteins in eliminating practical limitations of β-carotene in hydrated polar solution. Food Chem 2020; 330:127218. [PMID: 32535315 DOI: 10.1016/j.foodchem.2020.127218] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/28/2020] [Accepted: 05/31/2020] [Indexed: 11/28/2022]
Abstract
The objective of this work was to study β-carotene functionalities (color and antioxidant activity) and practical limitations (aggregate formation, poor solubility and low stability) when included in the aqueous systems containing milk proteins. According to the results, self-association constant of β-carotene in the presence of casein is 1.7-fold of that calculated for WPI. Casein and WPI were capable of conserving β-carotene against chemical oxidation up to 15 and 12%, respectively, at 1:5 M ratio of β-carotene to protein. While, WPI reduced its photodegradation quantum yield from 0.03 to 0.012 compared to 0.017 obtained for casein. A 2.7- and 3.6-fold enhancement in β-carotene solubility was observed in the presence of 1.5 mg/mL of casein and WPI, respectively. The study of β-carotene interaction with proteins showed, on the one hand, a negative effect on electron transfer and, on the other hand, improved hydrogen transfer to the radical species in the solution.
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Affiliation(s)
- Zahra Allahdad
- Department of Food Science and Technology, College of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran; Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
| | - Mehdi Varidi
- Department of Food Science and Technology, College of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran.
| | - Reza Zadmard
- Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran.
| | - Thomas Haertlé
- UR 1268 Biopolymères Interactions Assemblages, INRA, F-44300 Nantes, France; Poznan University of Life Sciences, Department of Animal Nutrition and Feed Management, ul. Wołyńska 33, 60-637 Poznań, Poland; Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
| | - Lindsay Sawyer
- Institute of Quantitative Biology, Biochemistry and Biotechnology, The University of Edinburgh, King's Buildings, Edinburgh EH9 3JR, UK.
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
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Medjoudj H, Aouar L, Derouiche M, Choiset Y, Haertlé T, Chobert JM, Zidoune MN, Hayaloglu AA. Physicochemical, microbiological characterization and proteolysis of Algerian traditionalBouhezzacheese prepared from goat’s raw milk. ANAL LETT 2019. [DOI: 10.1080/00032719.2019.1685531] [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: 10/25/2022]
Affiliation(s)
- Hacène Medjoudj
- Institute of Sciences and Applied Techniques (I.S.T.A.), University Larbi Ben MHidi of Oum El-Bouaghi, Algeria
- Laboratory of Nutrition and Food Technology (LNTA), Institute of Nutrition, Food and Agro- Food Technologies (INATAA) University of Constantine 1, Constantine, Algeria
| | - Lamia Aouar
- Institute of Sciences and Applied Techniques (I.S.T.A.), University Larbi Ben MHidi of Oum El-Bouaghi, Algeria
| | - Meriem Derouiche
- Laboratory of Nutrition and Food Technology (LNTA), Institute of Nutrition, Food and Agro- Food Technologies (INATAA) University of Constantine 1, Constantine, Algeria
| | - Yvan Choiset
- UR 1268, Biopolymers Interactions Assemblies, Inra, Nantes, France
| | - Thomas Haertlé
- UR 1268, Biopolymers Interactions Assemblies, Inra, Nantes, France
- Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Poznań, Poland
- Institute of Biochemistry and Biophysics, Teheran University, Teheran, Iran
| | | | - Mohammed Nasreddine Zidoune
- Laboratory of Nutrition and Food Technology (LNTA), Institute of Nutrition, Food and Agro- Food Technologies (INATAA) University of Constantine 1, Constantine, Algeria
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12
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Todorov S, Cavicchioli V, Ananieva M, Bivolarski V, Vasileva T, Hinkov A, Todorov D, Shishkov S, Haertlé T, Iliev I, Nero L, Ivanova I. Expression of coagulin A with low cytotoxic activity by
Pediococcus pentosaceus
ST65ACC isolated from raw milk cheese. J Appl Microbiol 2019; 128:458-472. [DOI: 10.1111/jam.14492] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 10/10/2019] [Accepted: 10/14/2019] [Indexed: 12/17/2022]
Affiliation(s)
- S.D. Todorov
- Faculdade de Ciências Farmacêuticas Universidade de São Paulo São Paulo Brazil
- Departamento de Veterinária Universidade Federal de Viçosa Viçosa Brazil
| | - V.Q. Cavicchioli
- Departamento de Veterinária Universidade Federal de Viçosa Viçosa Brazil
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
- Department of General and Applied Microbiology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - M. Ananieva
- Department of General and Applied Microbiology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - V.P. Bivolarski
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
| | - T.A. Vasileva
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
| | - A.V. Hinkov
- Laboratory of Virology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - D.G. Todorov
- Laboratory of Virology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - S. Shishkov
- Laboratory of Virology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
| | - T. Haertlé
- Institut National de la Recherche Agronomique UR 1268 Biopolymeres Interactions Assemblages Nantes cedex 3 France
| | - I.N. Iliev
- Department of Biochemistry and Microbiology Faculty of Biology Plovdiv University Paisii Hilendarski Plovdiv Bulgaria
| | - L.A. Nero
- Departamento de Veterinária Universidade Federal de Viçosa Viçosa Brazil
| | - I.V. Ivanova
- Department of General and Applied Microbiology Faculty of Biology Sofia University St. Kliment Ohridski Sofia Bulgaria
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Abstract
Adenosine deaminase is a critical enzyme in purine metabolism that regulates intra and extracellular adenosine concentrations by converting it to inosine. Adenosine is an important purine that regulates numerous physiological functions by interacting with its receptors. Adenosine and consequently adenosine deaminase can have pro or anti-inflammatory effects on tissues depending on how much time has passed from the start of the injury. In addition, an increase in adenosine deaminase activity has been reported for various diseases and the significant effect of deaminase inhibition on the clinical course of different diseases has been reported. However, the use of inhibitors is limited to only a few medical indications. Data on the increase of adenosine deaminase activity in different diseases and the impact of its inhibition in various cases have been collected and are discussed in this review. Overall, the evidence shows that many studies have been done to introduce inhibitors, however, in vivo studies have been much less than in vitro, and often have not been expanded for clinical use.
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Affiliation(s)
- S Bagheri
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - A A Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
| | - T Haertlé
- Institut National de la Recherche Agronomique, Nantes, France
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Rizvanov AA, Haertlé T, Bogomolnaya L, Talebi Bezmin Abadi A. Helicobacter pylori and Its Antibiotic Heteroresistance: A Neglected Issue in Published Guidelines. Front Microbiol 2019; 10:1796. [PMID: 31456763 PMCID: PMC6700363 DOI: 10.3389/fmicb.2019.01796] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 07/22/2019] [Indexed: 12/19/2022] Open
Abstract
“Heteroresistance” is a widely applied term that characterizes most of the multidrug-resistant microorganisms. In microbiological practice, the word “heteroresistance” indicates diverse responses to specific antibiotics by bacterial subpopulations in the same patient. These resistant subpopulations of heteroresistant strains do not respond to antibiotic therapy in vitro or in vivo. Presently, there is no standard protocol available for the treatment of infections caused by heteroresistant Helicobacter pylori in clinical settings, at least according to recent guidelines. Thus, there is a definite need to open a new discussion on how to recognize, how to screen, and how to eliminate those problematic strains in clinical and environmental samples. Since there is great interest in developing new strategies to improve the eradication rate of anti-H. pylori treatments, the presence of heteroresistant strains/clones among clinical isolates of the bacteria should be taken into account. Indeed, increased knowledge of gastroenterologists about the existence of heteroresistance phenomena is highly required. Moreover, the accurate breakpoints should be examined/determined in order to have a solid statement of heteroresistance among the H. pylori isolates. The primary definition of heteroresistance was about coexistence of both resistant and susceptible isolates at the similar gastric microniche at once, while we think that it can be happened subsequently as well. The new guidelines should include a personalized aspect in the standard protocol to select a precise, effective antibiotic therapy for infected patients and also address the problems of regional antibiotic susceptibility profiles.
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Affiliation(s)
- Albert A Rizvanov
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Thomas Haertlé
- Biopolymers Interactions Assemblies, Institut National de la Recherche Agronomique, Nantes, France.,Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Poznań, Poland.,Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Lydia Bogomolnaya
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,Department of Microbial Pathogenesis and Immunology, Texas A&M University Health Science Center, Bryan, TX, United States
| | - Amin Talebi Bezmin Abadi
- Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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15
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Dib W, Grar H, Gourine H, El Mecherfi KE, Negaoui H, Biscola V, Kaddouri H, Chobert JM, Haertlé T, Saidi D, Kheroua O. Prophylactic properties of Bacillus subtilis in a bovine β-lactoglobulin sensitized mice model. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03259-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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16
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Poursoleiman A, Karimi-Jafari MH, Zolmajd-Haghighi Z, Bagheri M, Haertlé T, Behbehani GR, Ghasemi A, Stroylova YY, Muronetz VI, Saboury AA. Polymyxins interaction to the human serum albumin: A thermodynamic and computational study. Spectrochim Acta A Mol Biomol Spectrosc 2019; 217:155-163. [PMID: 30933779 DOI: 10.1016/j.saa.2019.03.077] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 10/18/2018] [Revised: 03/18/2019] [Accepted: 03/22/2019] [Indexed: 06/09/2023]
Abstract
Polymyxin B and E (colistin), are a group of cationic charged cyclic antibiotic lipopeptides that are frequently used in the clinics to treat infections caused by the multidrug-resistant gram-negative bacteria. Since the interactions with the blood plasma drug-transport proteins may play a critical role in determining their pharmacological and pharmacokinetic profiles, we studied the binding properties of polymyxins to the human serum albumin (HSA) under simulated physiological conditions by the combination of biophysical approaches, such as isothermal titration calorimetry (ITC), fluorescence anisotropy, circular dichroism (CD) buttressed by computational studies. The HSA binding to the polymyxins was relatively strong (Ka ≈ 1.0 × 107 M-1). Molecular docking indicated that polymyxins bind to the cleft of HSA between domains I and III via the electrostatic interactions. This evidence was further confirmed by the entropy-driven interaction for the polymyxins bound HSA. Far UV-CD experiments showed that the secondary structure of HSA doesn't alter and its stable structure is preserved. Collectively, these investigations revealed that the polymyxins bind preferentially to the partially unfolded intermediate forms of the protein structure; however, HSA molecule does not undergo any significant conformational changes upon binding. This is promising as it may limit the unfavorable side effects of the medicine. On the whole, the results provide quantitative and qualitative insight of the binding interaction between HSA and polymyxins, which is important in understanding their effect as therapeutic agents.
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Affiliation(s)
- A Poursoleiman
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - M H Karimi-Jafari
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Z Zolmajd-Haghighi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - M Bagheri
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - T Haertlé
- Poznan University of Life Sciences, Department of Animal Nutrition, Poznan, Poland; Biopolymers, Interactions, Assemblies, UR 1268, Institute National de la Recherche Agronomique, Nantes, France
| | - G Rezaei Behbehani
- Chemistry Department, Imam Khomeini International University, Qazvin, Iran
| | - A Ghasemi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Y Y Stroylova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - V I Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - A A Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
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17
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Limanska N, Merlich A, Galkin M, Vasylieva N, Choiset Y, Ivanytsia T, Zlatohurska M, Ivanytsia V, Chobert JM, Haertlé T. BIOFILM FORMATION AND GENETIC DIVERSITY OF LACTOBACILLUS PLANTARUM STRAINS ORIGINATED FROM FRANCE AND UKRAINE. J microb biotech food sci 2019. [DOI: 10.15414/jmbfs.2019.8.6.1326-1331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Evaluation of Lactobacillus plantarum strains perspective for plant protection or fermentation of food of plant origin should include tests on abilities to attach to plant surfaces and to form biofilms. Comparing RAPD-profiles with these properties and also with geographical origin of the strains is necessary to find out the possibility of rapid selection of the strains and tracking their dissemination. Biofilm formation and RAPD-PCR profiles of 30 strains of L. plantarum isolated from grape must and pickles originated from France and Ukraine were compared. All isolates were able to attach to Lepidium sativum seedlings and form biofilms of different types. Amount of attached cells varied from (7.8 ± 0.2) x 104 to (2.1 ± 0.3) x 103 CFU/cm2. The most developed biofilms were formed on shoots, leaves, seed coat shells. On roots this ability was strain dependent: the majority of French isolates (77.0%) formed separated microcolonies without developed matrix layer. Among Ukrainian isolates, 47.1% of the strains showed the same tendency, and in 41.2% of the strains individual attached cells without formation of microcolonies were observed. The level of initial attachment of bacterial cells to roots did not coincide with the level of subsequent formation of biofilms. Gene plnA was detected in 28.1% of isolates. All plnA possessing strains except the one formed microcolonies or biofilms with developed matrix. Lactobacilli could eliminate the biofilms of Agrobacterium tumefaciens pJZ from tomato roots in 75.0 – 100% of tested samples depending on a strain and method of inoculation. No clear association between the geographical origin of the L. plantarum strains and clustering by RAPD-PCR analysis was found. Two strains with high level of biofilm formation were grouped in one subcluster.
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18
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Falahati M, Attar F, Sharifi M, Haertlé T, Berret JF, Khan RH, Saboury AA. A health concern regarding the protein corona, aggregation and disaggregation. Biochim Biophys Acta Gen Subj 2019; 1863:971-991. [PMID: 30802594 PMCID: PMC7115795 DOI: 10.1016/j.bbagen.2019.02.012] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 12/23/2018] [Accepted: 02/19/2019] [Indexed: 01/03/2023]
Abstract
Nanoparticle (NP)-protein complexes exhibit the "correct identity" of NP in biological media. Therefore, protein-NP interactions should be closely explored to understand and modulate the nature of NPs in medical implementations. This review focuses mainly on the physicochemical parameters such as dimension, surface chemistry, morphology of NPs, and influence of pH on the formation of protein corona and conformational changes of adsorbed proteins by different kinds of techniques. Also, the impact of protein corona on the colloidal stability of NPs is discussed. Uncontrolled protein attachment on NPs may bring unwanted impacts such as protein denaturation and aggregation. In contrast, controlled protein adsorption by optimal concentration, size, pH, and surface modification of NPs may result in potential implementation of NPs as therapeutic agents especially for disaggregation of amyloid fibrils. Also, the effect of NPs-protein corona on reducing the cytotoxicity and clinical implications such as drug delivery, cancer therapy, imaging and diagnosis will be discussed. Validated correlative physicochemical parameters for NP-protein corona formation frequently derived from protein corona fingerprints of NPs which are more valid than the parameters obtained only on the base of NP features. This review may provide useful information regarding the potency as well as the adverse effects of NPs to predict their behavior in vivo.
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Affiliation(s)
- Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Science and Technology, TehranMedical Sciences, Islamic Azad University, Tehran, Iran.
| | - Farnoosh Attar
- Department of Biology, Faculty of Food Industry & Agriculture, Standard Research Institute (SRI), Karaj, Iran
| | - Majid Sharifi
- Department of Nanotechnology, Faculty of Advanced Science and Technology, TehranMedical Sciences, Islamic Azad University, Tehran, Iran
| | - Thomas Haertlé
- UR1268, Biopolymers Interactions Assemblies, INRA, BP 71627, 44316 Nantes Cedex 3, France; Poznan University of Life Sciences, Department of Animal Nutrition and Feed Management, ul.Wołyńska 33, 60-637 Poznań, Poland; Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Jean-François Berret
- Matière etSystèmes Complexes, UMR 7057 CNRS Université Denis Diderot Paris-VII, Bâtiment Condorcet, 10 rue Alice Domon et LéonieDuquet, F-75205 Paris, France
| | - Rizwan Hasan Khan
- Molecular Biophysics and Biophysical Chemistry Group, Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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19
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Allahdad Z, Varidi M, Zadmard R, Saboury AA, Haertlé T. Binding of β-carotene to whey proteins: Multi-spectroscopic techniques and docking studies. Food Chem 2019; 277:96-106. [DOI: 10.1016/j.foodchem.2018.10.057] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 10/10/2018] [Accepted: 10/10/2018] [Indexed: 01/22/2023]
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20
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Janashia I, Choiset Y, Jozefiak D, Déniel F, Coton E, Moosavi-Movahedi AA, Chanishvili N, Haertlé T. Beneficial Protective Role of Endogenous Lactic Acid Bacteria Against Mycotic Contamination of Honeybee Beebread. Probiotics Antimicrob Proteins 2019; 10:638-646. [PMID: 29297160 DOI: 10.1007/s12602-017-9379-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The purpose of this article is to reveal the role of the lactic acid bacteria (LAB) in the beebread transformation/preservation, biochemical properties of 25 honeybee endogenous LAB strains, particularly: antifungal, proteolytic, and amylolytic activities putatively expressed in the beebread environment have been studied. Seventeen fungal strains isolated from beebread samples were identified and checked for their ability to grow on simulated beebread substrate (SBS) and then used to study mycotic propagation in the presence of LAB. Fungal strains identified as Aspergillus niger (Po1), Candida sp. (BB01), and Z. rouxii (BB02) were able to grow on SBS. Their growth was partly inhibited when co-cultured with the endogenous honeybee LAB strains studied. No proteolytic or amylolytic activities of the studied LAB were detected using pollen, casein starch based media as substrates. These findings suggest that some honeybee LAB symbionts are involved in maintaining a safe microbiological state in the host honeybee colonies by inhibiting beebread mycotic contaminations, starch, and protein predigestion in beebread by LAB is less probable. Honeybee endogenous LAB use pollen as a growth substrate and in the same time restricts fungal propagation, thus showing host beneficial action preserving larval food. This study also can have an impact on development of novel methods of pollen preservation and its processing as a food ingredient.
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Affiliation(s)
- Irakli Janashia
- Eliava Institute of Bacteriophage, Microbiology & Virology, Tbilisi, Georgia
| | - Yvan Choiset
- FIP, UR1268, Biopolymers Interactions Assemblies, INRA, BP 71627, 44316, Nantes Cedex 3, France
| | - Damian Jozefiak
- Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, ul. Wołyńska 33, 60-637, Poznań, Poland
| | - Franck Déniel
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, IBSAM, ESIAB, Technopôle Brest-Iroise, 29280, Plouzané, France
| | - Emmanuel Coton
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, IBSAM, ESIAB, Technopôle Brest-Iroise, 29280, Plouzané, France
| | | | - Nina Chanishvili
- Eliava Institute of Bacteriophage, Microbiology & Virology, Tbilisi, Georgia
| | - Thomas Haertlé
- FIP, UR1268, Biopolymers Interactions Assemblies, INRA, BP 71627, 44316, Nantes Cedex 3, France. .,Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, ul. Wołyńska 33, 60-637, Poznań, Poland. .,Institute of Biochemistry and Biophysics, University of Teheran, Teheran, Iran.
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21
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Merlich A, Galkin M, Choiset Y, Limanska N, Vasylieva N, Ivanytsia V, Haertlé T. Characterization of the bacteriocin produced by Enterococcus italicus ONU547 isolated from Thai fermented cabbage. Folia Microbiol (Praha) 2019; 64:535-545. [DOI: 10.1007/s12223-019-00677-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 01/02/2019] [Indexed: 10/27/2022]
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22
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Delavari B, Mamashli F, Bigdeli B, Poursoleiman A, Karami L, Zolmajd-Haghighi Z, Ghasemi A, Samaei-Daryan S, Hosseini M, Haertlé T, Muronetz VI, Halskau Ø, Moosavi-Movahedi AA, Goliaei B, Rezayan AH, Saboury AA. A biophysical study on the mechanism of interactions of DOX or PTX with α-lactalbumin as a delivery carrier. Sci Rep 2018; 8:17345. [PMID: 30478403 PMCID: PMC6255783 DOI: 10.1038/s41598-018-35559-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 11/07/2018] [Indexed: 01/25/2023] Open
Abstract
Doxorubicin and paclitaxel, two hydrophobic chemotherapeutic agents, are used in cancer therapies. Presence of hydrophobic patches and a flexible fold could probably make α-Lactalbumin a suitable carrier for hydrophobic drugs. In the present study, a variety of thermodynamic, spectroscopic, computational, and cellular techniques were applied to assess α-lactalbumin potential as a carrier for doxorubicin and paclitaxel. According to isothermal titration calorimetry data, the interaction between α-lactalbumin and doxorubicin or paclitaxel is spontaneous and the K (M-1) value for the interaction of α-lactalbumin and paclitaxel is higher than that for doxorubicin. Differential scanning calorimetry and anisotropy results indicated formation of α-lactalbumin complexes with doxorubicin or paclitaxel. Furthermore, molecular docking and dynamic studies revealed that TRPs are not involved in α-Lac's interaction with Doxorubicin while TRP 60 interacts with paclitaxel. Based on Pace analysis to determine protein thermal stability, doxorubicin and paclitaxel induced higher and lower thermal stability in α-lactalbumin, respectively. Besides, fluorescence lifetime measurements reflected that the interaction between α-lactalbumin with doxorubicin or paclitaxel was of static nature. Therefore, the authors hypothesized that α-lactalbumin could serve as a carrier for doxorubicin and paclitaxel by reducing cytotoxicity and apoptosis which was demonstrated during our in vitro cell studies.
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Affiliation(s)
- Behdad Delavari
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran.,Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Fatemeh Mamashli
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Bahareh Bigdeli
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Atefeh Poursoleiman
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Leila Karami
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Zahra Zolmajd-Haghighi
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Atiyeh Ghasemi
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Samaneh Samaei-Daryan
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Morteza Hosseini
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Thomas Haertlé
- Poznań University of Life Sciences, Department of Animal Nutrition and Feed Management, Poznań, Poland.,UR 1268 Biopolymères Interactions Assemblages, INRA, B.P. 71627, 44316, Nantes, Cedex 3, France
| | - Vladimir I Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119234, Moscow, Russia
| | - Øyvind Halskau
- Department of Molecular Biology, University of Bergen, PB 7803, N-5020, Bergen, Norway
| | | | - Bahram Goliaei
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran
| | - Ali Hossein Rezayan
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Mailbox, 13145-1384, Tehran, Iran.
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23
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Ghaeidamini M, Kharat AN, Haertlé T, Ahmad F, Saboury AA. β-Cyclodextrin-Modified Magnetic Nanoparticles Immobilized on Sepharose Surface Provide an Effective Matrix for Protein Refolding. J Phys Chem B 2018; 122:9907-9919. [PMID: 30299940 DOI: 10.1021/acs.jpcb.8b07226] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
In this article, we propose an impressive and facile strategy to improve protein refolding using solid phase artificial molecular chaperones consisting of the surface-functionalized magnetic nanoparticles. Specifically, monotosyl-β-cyclodextrin connected to the surface of 3-aminopropyltriethoxysilane (APES)-modified magnetic nanoparticles is immobilized on the sepharose surface to promote interaction with exposed hydrophobic surfaces of partially folded (intermediates) and unfolded states of proteins. Their efficiencies were investigated by circular dichroism spectroscopy and photoluminescence spectroscopy of the protein. Although the mechanism of this method is based on principles of hydrophobic chromatography, this system is not only purging the native protein from inactive inclusion bodies but also improving the protein refolding process. We chose β-cyclodextrin (β-CD) considering multiple reports in the literature about its efficiency in protein refolding and its biocompatibility. To increase the surface area/volume ratio of the sepharose surface by nanoparticles, more β-CD molecules are connected to the sepharose surface to make a better interaction with proteins. We suppose that proteins are isolated in the nanospace created by bound cyclodextrins on the resin surface so intermolecular interactions are reduced. The architecture of nanoparticles was characterized by Fourier transform infrared spectra, X-ray diffraction, scanning electron microscopy images, energy dispersive X-ray spectroscopy, nuclear magnetic resonance (1H NMR and 13C NMR), and dynamic light scattering.
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Affiliation(s)
- Marziyeh Ghaeidamini
- School of Chemistry, University Collage of Science , University of Tehran , Tehran , Iran
| | - Ali N Kharat
- School of Chemistry, University Collage of Science , University of Tehran , Tehran , Iran
| | - Thomas Haertlé
- Department of Animal Nutrition , Poznan University of Life Sciences , 60-637 Poznan , Poland.,Biopolymers, Interactions, Assemblies, UR 1268 , Institut National de la Recherche Agronomique , 44000 Nantes , France.,Institute of Biochemistry and Biophysics , University of Tehran , Tehran , Iran
| | - Faizan Ahmad
- Centre for Interdisciplinary Research in Basic Sciences , Jamia Millia Islamia , New Delhi 110025 , India
| | - Ali A Saboury
- Institute of Biochemistry and Biophysics , University of Tehran , Tehran , Iran
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24
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Rovoli M, Thireou T, Choiset Y, Haertlé T, Sawyer L, Eliopoulos E, Kontopidis G. Thermodynamic, crystallographic and computational studies of non-mammalian fatty acid binding to bovine β-Lactoglobulin. Int J Biol Macromol 2018; 118:296-303. [DOI: 10.1016/j.ijbiomac.2018.05.226] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/26/2018] [Accepted: 05/30/2018] [Indexed: 12/29/2022]
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25
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Saelao S, Maneerat S, Thongruck K, Watthanasakphuban N, Wiriyagulopas S, Chobert JM, Haertlé T. Reduction of tyramine accumulation in Thai fermented shrimp (kung-som) by nisin Z-producing Lactococcus lactis KTH0-1S as starter culture. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.03.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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26
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Biscola V, Choiset Y, Rabesona H, Chobert JM, Haertlé T, Franco BDGM. Brazilian artisanal ripened cheeses as sources of proteolytic lactic acid bacteria capable of reducing cow milk allergy. J Appl Microbiol 2018; 125:564-574. [PMID: 29654625 DOI: 10.1111/jam.13779] [Citation(s) in RCA: 14] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 02/16/2018] [Accepted: 03/23/2018] [Indexed: 01/16/2023]
Abstract
AIM The objective was to obtain lactic acid bacteria (LAB) capable of hydrolysing immunoreactive proteins in milk, to optimize the hydrolysis, to determine the proteolysis kinetics and to test the safety of the best hydrolytic strain. METHODS AND RESULTS Brazilian cheese was used as source of LAB capable of hydrolysing main milk allergens. Proteolytic isolates were submitted to RAPD-PCR for the characterization of clonal diversity. Optimized hydrolysis was strain and protein fraction dependent. 16S rDNA sequencing identified three proteolytic strains: Enterococcus faecalis VB43, that hydrolysed αS1 -, αS2 - and β-caseins, α-lactalbumin and β-lactoglobulin (partial hydrolysis), and Pediococcus acidilactici VB90 and Weissella viridescens VB111, that caused partial hydrolysis of αS1 - and αS2 -caseins. Enterococcus faecalis VB43 tested negative for virulence genes asa1, agg, efaA, hyl, esp, cylLL and cylLS but positive for genes ace and gelE. Ethylenediamine tetra-acetic acid inhibited the proteolysis, indicating that the main proteases of E. faecalis VB43 are metalloproteases. CONCLUSION Brazilian artisanal cheese is a good source of LAB capable of hydrolysing allergenic proteins in milk. One isolate (E. faecalis VB43) presented outstanding activity against these proteins and lacked most of the tested virulence genes. SIGNIFICANCE AND IMPACT OF THE STUDY Enterococcus faecalis VB43 presents good potential for the manufacture of hypoallergenic dairy products.
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Affiliation(s)
- V Biscola
- Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, SP, Brazil.,UR 1268 Biopolymères Interactions Assemblages, INRA, Protein Functions and Interactions Research Team, Nantes Cedex, France
| | - Y Choiset
- UR 1268 Biopolymères Interactions Assemblages, INRA, Protein Functions and Interactions Research Team, Nantes Cedex, France
| | - H Rabesona
- UR 1268 Biopolymères Interactions Assemblages, INRA, Protein Functions and Interactions Research Team, Nantes Cedex, France
| | - J-M Chobert
- UR 1268 Biopolymères Interactions Assemblages, INRA, Protein Functions and Interactions Research Team, Nantes Cedex, France
| | - T Haertlé
- UR 1268 Biopolymères Interactions Assemblages, INRA, Protein Functions and Interactions Research Team, Nantes Cedex, France.,Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Poznań, Poland
| | - B D G M Franco
- Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, Sao Paulo, SP, Brazil
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27
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Stroylova Y, Sorokina S, Stroylov V, Melnikova A, Gaillard C, Shifrina Z, Haertlé T, Muronetz VI. Spontaneous formation of nanofilms under interaction of 4th generation pyrydylphenylene dendrimer with proteins. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.01.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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28
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Bagheri S, Squitti R, Haertlé T, Siotto M, Saboury AA. Role of Copper in the Onset of Alzheimer's Disease Compared to Other Metals. Front Aging Neurosci 2018; 9:446. [PMID: 29472855 PMCID: PMC5810277 DOI: 10.3389/fnagi.2017.00446] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [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: 08/02/2017] [Accepted: 12/28/2017] [Indexed: 12/14/2022] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder that is characterized by amyloid plaques in patients' brain tissue. The plaques are mainly made of β-amyloid peptides and trace elements including Zn2+, Cu2+, and Fe2+. Some studies have shown that AD can be considered a type of metal dyshomeostasis. Among metal ions involved in plaques, numerous studies have focused on copper ions, which seem to be one of the main cationic elements in plaque formation. The involvement of copper in AD is controversial, as some studies show a copper deficiency in AD, and consequently a need to enhance copper levels, while other data point to copper overload and therefore a need to reduce copper levels. In this paper, the role of copper ions in AD and some contradictory reports are reviewed and discussed.
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Affiliation(s)
- Soghra Bagheri
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Rosanna Squitti
- Molecular Markers Laboratory, IRCCS Istituto Centro San Giovanni di Dio-Fatebenefratelli, Brescia, Italy
| | - Thomas Haertlé
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
- UR 1268 Biopolymères Interactions Assemblages, Institut National de la Recherche Agronomique, Equipe Fonctions et Interactions des Protéines, Nantes, France
- Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Poznań, Poland
| | | | - Ali A. Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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Hwanhlem N, Ivanova T, Haertlé T, Jaffrès E, Dousset X. Inhibition of food-spoilage and foodborne pathogenic bacteria by a nisin Z-producing Lactococcus lactis subsp. lactis KT2W2L. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.04.052] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Biscola V, de Olmos AR, Choiset Y, Rabesona H, Garro MS, Mozzi F, Chobert JM, Drouet M, Haertlé T, Franco BDGM. Soymilk fermentation by Enterococcus faecalis VB43 leads to reduction in the immunoreactivity of allergenic proteins β-conglycinin (7S) and glycinin (11S). Benef Microbes 2017; 8:635-643. [PMID: 28726509 DOI: 10.3920/bm2016.0171] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [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] [Indexed: 01/14/2023]
Abstract
Food allergies represent a serious problem affecting human health and soy proteins rank among the most allergenic proteins from food origin. The proteolytic enzymes produced by lactic acid bacteria (LAB) can hydrolyse the major allergens present in soybean, reducing their immunoreactivity. Many studies have reported the ability of LAB to ferment soy-based products; while the majority of them focus on the improvement of the sensory characteristics and functionality of soy proteins, a lack of information about the role of lactic fermentation in the reduction of immunoreactivity of these proteins exists. The aim of the present study was to evaluate the capability of the proteolytic strain Enterococcus faecalis VB43 to hydrolyse the main allergenic proteins present in soymilk and to determine the immunoreactivity of the obtained hydrolysates. Sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) results of fermented soymilk demonstrated complete hydrolysis of the β-subunit from β-conglycinin and the acidic polypeptide from glycinin. Reversed phase high performance liquid chromatography (RP-HPLC) analysis of the peptides released after hydrolysis revealed the appearance of new peptides and the disappearance of non-hydrolysed proteins, indicating extensive hydrolysis of the substrate. Results from competitive enzyme-linked immunosorbent assay (ELISA) tests clearly indicated a reduction in the immunoreactivity (more than one logarithmic unit) in the fermented sample as compared to the non-fermented control. Our results suggest that the soymilk fermented by E. faecalis VB43 may induce lower allergic responses in sensitive individuals. The strain E. faecalis VB43 may be considered as an excellent candidate to efficiently reduce the immunoreactivity of soymilk proteins.
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Affiliation(s)
- V Biscola
- 1 Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, 580 Professor Lineu Prestes 13 B, Sao Paulo, SP 05508-000, Brazil
- 3 Protein Functions and Interactions Research Team, UR 1268 Biopolymères Interactions Assemblages, INRA, BP 71627, 44316 Nantes Cedex 3, France
| | - A Rodriguez de Olmos
- 2 Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
- 3 Protein Functions and Interactions Research Team, UR 1268 Biopolymères Interactions Assemblages, INRA, BP 71627, 44316 Nantes Cedex 3, France
| | - Y Choiset
- 3 Protein Functions and Interactions Research Team, UR 1268 Biopolymères Interactions Assemblages, INRA, BP 71627, 44316 Nantes Cedex 3, France
| | - H Rabesona
- 3 Protein Functions and Interactions Research Team, UR 1268 Biopolymères Interactions Assemblages, INRA, BP 71627, 44316 Nantes Cedex 3, France
| | - M S Garro
- 2 Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
| | - F Mozzi
- 2 Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
| | - J-M Chobert
- 3 Protein Functions and Interactions Research Team, UR 1268 Biopolymères Interactions Assemblages, INRA, BP 71627, 44316 Nantes Cedex 3, France
| | - M Drouet
- 4 Unité Allergologie Générale et Pneumologie, CHU d'Angers, 4 Rue Larrey, 49933 Angers Cedex 9, France
| | - T Haertlé
- 3 Protein Functions and Interactions Research Team, UR 1268 Biopolymères Interactions Assemblages, INRA, BP 71627, 44316 Nantes Cedex 3, France
- 5 Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, ul. Wołyńska 33, 60-637 Poznan, Poland
- 6 Institute of Biochemistry and Biophysics, University of Tehran, Enghelab Square, Tehran, Iran
| | - B D G M Franco
- 1 Food Research Center, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo, 580 Professor Lineu Prestes 13 B, Sao Paulo, SP 05508-000, Brazil
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Hwanhlem N, Ivanova T, Biscola V, Choiset Y, Haertlé T. Bacteriocin producing Enterococcus faecalis isolated from chicken gastrointestinal tract originating from Phitsanulok, Thailand: Isolation, screening, safety evaluation and probiotic properties. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.02.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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32
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Shafaei Z, Ghalandari B, Vaseghi A, Divsalar A, Haertlé T, Saboury AA, Sawyer L. β-Lactoglobulin: An efficient nanocarrier for advanced delivery systems. Nanomedicine 2017; 13:1685-1692. [PMID: 28343017 DOI: 10.1016/j.nano.2017.03.007] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 02/18/2017] [Accepted: 03/14/2017] [Indexed: 01/10/2023]
Abstract
Thanks to the progress of nanotechnology there are several agent-delivery systems that can be selected to achieve rapid and specific delivery of a wide variety of biologically active agents. Consequently, the manipulation and engineering of biopolymers has become one of the most exciting subjects for those who study delivery systems on the nanoscale. In this regard, both nanoparticle formation and a carrier role have been observed in the case of the globular milk whey protein, β-lactoglobulin (β-LG), setting it apart from many other proteins. To date, many efforts adopting different approaches have created β-LG nanoparticles useful in forming delivery systems for various agents with specific targets. In this review, the potential of β-LG to play the role of an efficient and diverse carrier protein, as well as its ability to form a well-targeted nano-scale delivery system is discussed.
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Affiliation(s)
- Zahra Shafaei
- Department of Cell and Molecular Biology' Faculty of Biological Sciences' Kharazmi University, Tehran, Iran
| | - Behafarid Ghalandari
- Applied Biophotonics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Akbar Vaseghi
- Department of Biotechnology, Faculty of Advanced Science and Technologies of Isfahan, Isfahan, Iran
| | - Adeleh Divsalar
- Department of Cell and Molecular Biology' Faculty of Biological Sciences' Kharazmi University, Tehran, Iran.
| | - Thomas Haertlé
- FIP, BIA UR1268, Institut National de la Recherche Agronomique, Nantes, France
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics' University of Tehran, Tehran, Iran; Center of Excellence in Biothermodynamics, University of Tehran, Tehran, Iran
| | - Lindsay Sawyer
- School of Biological Sciences, The University of Edinburgh, Edinburgh, UK
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Taghavi F, Habibi-Rezaei M, Bohlooli M, Farhadi M, Goodarzi M, Movaghati S, Maghami P, Taghibiglou C, Amanlou M, Haertlé T, Moosavi-Movahedi A. Antiamyloidogenic Effects of Ellagic Acid on Human Serum Albumin Fibril Formation Induced by Potassium Sorbate and Glucose. J Mol Recognit 2016; 29:611-618. [DOI: 10.1002/jmr.2560] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 06/20/2016] [Accepted: 07/13/2016] [Indexed: 02/02/2023]
Affiliation(s)
- F. Taghavi
- Institute of Biochemistry and Biophysics; University of Tehran; Tehran Iran
- Faculty of Biological Science; Tarbiat Modares University; Tehran Iran
| | | | - M. Bohlooli
- Institute of Biochemistry and Biophysics; University of Tehran; Tehran Iran
- School of Science; University of Zabol; Zabol Iran
| | - M. Farhadi
- ENT-HNS Research Center; IRAN University of Medical Sciences (IUMS); Tehran Iran
| | - M. Goodarzi
- Institute of Biochemistry and Biophysics; University of Tehran; Tehran Iran
| | - S. Movaghati
- Institute of Biochemistry and Biophysics; University of Tehran; Tehran Iran
| | - P. Maghami
- Institute of Biochemistry and Biophysics; University of Tehran; Tehran Iran
| | - C. Taghibiglou
- Department of Pharmacology, College of Medicine; University of Saskatchewan; Saskatchewan Canada
| | - M. Amanlou
- Department of Medicinal Chemistry, Faculty of Pharmacy; Tehran University of Medical Sciences; Tehran Iran
| | - T. Haertlé
- UR 1268 Biopolymères Interactions Assemblages; INRA, équipe Fonctions et Interactions des Protéines; Nantes France
- Department of Animal Nutrition and Feed Management; Poznan University of Life Sciences; Poznań Poland
| | - A.A. Moosavi-Movahedi
- Institute of Biochemistry and Biophysics; University of Tehran; Tehran Iran
- Center of Excellence in Biothermodynamics; University of Tehran; Tehran Iran
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34
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Biscola V, Tulini F, Choiset Y, Rabesona H, Ivanova I, Chobert JM, Todorov S, Haertlé T, Franco B. Proteolytic activity of Enterococcus faecalis VB63F for reduction of allergenicity of bovine milk proteins. J Dairy Sci 2016; 99:5144-5154. [DOI: 10.3168/jds.2016-11036] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 03/22/2016] [Indexed: 12/16/2022]
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35
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Le Lay C, Coton E, Le Blay G, Chobert JM, Haertlé T, Choiset Y, Van Long NN, Meslet-Cladière L, Mounier J. Identification and quantification of antifungal compounds produced by lactic acid bacteria and propionibacteria. Int J Food Microbiol 2016; 239:79-85. [PMID: 27350657 DOI: 10.1016/j.ijfoodmicro.2016.06.020] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [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: 02/01/2016] [Revised: 05/31/2016] [Accepted: 06/19/2016] [Indexed: 12/31/2022]
Abstract
Fungal growth in bakery products represents the most frequent cause of spoilage and leads to economic losses for industrials and consumers. Bacteria, such as lactic acid bacteria and propionibacteria, are commonly known to play an active role in preservation of fermented food, producing a large range of antifungal metabolites. In a previous study (Le Lay et al., 2016), an extensive screening performed both in vitro and in situ allowed for the selection of bacteria exhibiting an antifungal activity. In the present study, active supernatants against Penicillium corylophilum and Aspergillus niger were analyzed to identify and quantify the antifungal compounds associated with the observed activity. Supernatant treatments (pH neutralization, heating and addition of proteinase K) suggested that organic acids played the most important role in the antifungal activity of each tested supernatant. Different methods (HPLC, mass spectrometry, colorimetric and enzymatic assays) were then applied to analyze the supernatants and it was shown that the main antifungal compounds corresponded to lactic, acetic and propionic acids, ethanol and hydrogen peroxide, as well as other compounds present at low levels such as phenyllactic, hydroxyphenyllactic, azelaic and caproic acids. Based on these results, various combinations of the identified compounds were used to evaluate their effect on conidial germination and fungal growth of P. corylophilum and Eurotium repens. Some combinations presented the same activity than the bacterial culture supernatant thus confirming the involvement of the identified molecules in the antifungal activity. The obtained results suggested that acetic acid was mainly responsible for the antifungal activity against P. corylophilum and played an important role in E. repens inhibition.
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Affiliation(s)
- Céline Le Lay
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Emmanuel Coton
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Gwenaëlle Le Blay
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Jean-Marc Chobert
- Institut National de la Recherche Agronomique, UR 1268 Biopolymères Interactions Assemblages, équipe Fonctions et Interactions des Protéines, B.P. 71627, 44316 Nantes Cedex 3, France
| | - Thomas Haertlé
- Institut National de la Recherche Agronomique, UR 1268 Biopolymères Interactions Assemblages, équipe Fonctions et Interactions des Protéines, B.P. 71627, 44316 Nantes Cedex 3, France
| | - Yvan Choiset
- Institut National de la Recherche Agronomique, UR 1268 Biopolymères Interactions Assemblages, équipe Fonctions et Interactions des Protéines, B.P. 71627, 44316 Nantes Cedex 3, France
| | - Nicolas Nguyen Van Long
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Laurence Meslet-Cladière
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Jérôme Mounier
- Université de Brest, EA 3882, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
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Stroylova YY, Semenyuk PI, Asriyantz RA, Gaillard C, Haertlé T, Muronetz VI. Creation of catalytically active particles from enzymes crosslinked with a natural bifunctional agent--homocysteine thiolactone. Biopolymers 2016; 101:975-84. [PMID: 24912753 DOI: 10.1002/bip.22514] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 06/02/2014] [Accepted: 06/03/2014] [Indexed: 01/18/2023]
Abstract
The current study describes an approach to creation of catalytically active particles with increased stability from enzymes by N-homocysteinylation, a naturally presented protein modification. Enzymatic activities and properties of two globular tetrameric enzymes glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and lactate dehydrogenase (LDH) were studied before and after N-homocysteinylation. Modification of these proteins concerns the accessible lysine residues and introduces an average of 2-2,5 homocysteine residues per protein monomer. Formation of a range of aggregates was observed for both enzymes, which assemble via formation of intermolecular noncovalent bonds and by disulfide bonds. It was demonstrated that both studied enzymes retain their catalytic activities on modification and the subsequent formation of oligomeric forms. At low concentrations of homocysteine thiolactone, modification of GAPDH leads not only to prevention of spontaneous inactivation but also increases thermal stability of this enzyme on heating to 80°C. A moderate reduction of the activity of GAPDH observed in case of its crosslinking with 50-fold excess of homocysteine thiolactone per lysine is probably caused by hindered substrate diffusion. Spherical particles of 100 nm and larger diameters were observed by transmission electron microscopy and atomic force microscope techniques after modification of GAPDH with different homocysteine thiolactone concentrations. In case of LDH, branched fibril-like aggregates were observed under the same conditions. Interestingly, crosslinked samples of both proteins were found to have reversible thermal denaturation profiles, indicating that modification with homocysteine thiolactone stabilizes the spatial structure of these enzymes.
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Affiliation(s)
- Yulia Y Stroylova
- Faculty of Bioengineering and Bioinformatics, Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119234, Moscow, Russia
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Ghomrassi H, ben Braiek O, Choiset Y, Haertlé T, Hani K, Chobert JM, Ghrairi T. Evaluation of marine bacteriocinogenic enterococci strains with inhibitory activity against fish-pathogenic Gram-negative bacteria. Dis Aquat Organ 2016; 118:31-43. [PMID: 26865233 DOI: 10.3354/dao02953] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Use of lactic acid bacteria (LAB) as probiotics may provide an alternative to the use of antibiotics in aquaculture. LAB strains isolated from wild fish viscera and skin were evaluated for bacteriocin production and safety aspects (lack of antibiotic resistance, production of virulence factors). 16S rRNA gene sequences revealed the presence of Enterococcus faecium (13 isolates) and Lactococcus lactis (3 isolates) from fish samples. Pulsed-field gel electrophoresis analyses of the 13 enterococci isolates showed that they were all clustered, with greater than 95% similarity. However, RAPD analysis revealed significant molecular diversity between enterococci strains. Six enterococci strains were chosen and evaluated for their antibacterial activities. These strains produced a bacteriocin-like substance and exhibited a broad spectrum of inhibition against pathogenic bacteria isolated from diseased fish, including Streptococcus parauberis, Vagococcus spp., and Carnobacterium maltaromaticum, and in particular against the Gram-negative bacteria Flavobacterium frigidarium, Vibrio pectenicida, V. penaeicida, and Photobacterium damselae. The inhibition activity towards bacterial indicator strains was at a maximum when bacteria were grown at 37°C. However, bacteriocin production was observed at 15°C after 12 h of incubation. Only structural genes of enterocins A and B were detected by PCR in the 6 enterococci strains, suggesting the production of these enterocins. In addition, these strains did not harbor any virulence factors or any significant antibiotic resistance, and they tolerated bile. Our results suggest that enterococci are an important part of the bacterial flora of fish and that some strains have the potential to be used as probiotics.
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Barbosa M, Todorov S, Ivanova I, Belguesmia Y, Choiset Y, Rabesona H, Chobert JM, Haertlé T, Franco B. Characterization of a two-peptide plantaricin produced by Lactobacillus plantarum MBSa4 isolated from Brazilian salami. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.07.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Gholami S, Bordbar A, Akvan N, Parastar H, Fani N, Gretskaya N, Bezuglov V, Haertlé T. Binding assessment of two arachidonic-based synthetic derivatives of adrenalin with β-lactoglobulin: Molecular modeling and chemometrics approach. Biophys Chem 2015; 207:97-106. [DOI: 10.1016/j.bpc.2015.10.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Revised: 10/06/2015] [Accepted: 10/07/2015] [Indexed: 11/30/2022]
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Belkaaloul K, Haertlé T, Chobert JM, Merah R, Taibi K, Saad El Hachemi HA, Hemch S, Amier L, Chekroun A, Saidi D, Kheroua O. Protective effect of Enterococcus faecalis DAPTO 512 on the intestinal tract and gut mucosa: milk allergy application. Benef Microbes 2015; 6:679-86. [PMID: 26192744 DOI: 10.3920/bm2014.0143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The allergenicity of β-lactoglobulin (β-Lg) was studied by using Ussing chamber in a murine model of β-Lg allergy supplemented with hydrolysates obtained after fermentation of milk for 48 h at 37 (°)C with Enterococcus faecalis DAPTO 512, isolated from cow milk and identified by 16S rDNA sequence analysis. Balb/c mice were sensitised intraperitoneally with β-Lg. Three groups of mice were formed: group 1, composed of naive mice used as control received only NaCl; group 2, positive control composed of mice sensitised intraperitoneally with β-Lg; group 3, formed by mice which were given hydrolysates of 48 h then sensitised with β-Lg. After 48 h of fermentation β-casein and β-Lg were degraded by E. faecalis DAPTO 512. β-Lg immunisation was associated with strong IgG and IgE production in case of positive controls and a significant increase in short current circuit (Isc) and high conductance (G) responses were observed. The control and the hydrolysate groups showed a significant decrease in the production of IgG and IgE anti β-Lg compared to the positive control. The allergenic potential of β-Lg was markedly reduced in the group that received hydrolysates (Isc and G remained unchanged after intestine challenge with β-Lg). The histological scrutiny showed villi atrophy, lymphocyte hyperplasia and a significant chorion detachment in the positive control group. In the group administered with hydrolysates of fermented milk, inflammatory signs were lower, the villi were long and thin and lymphocytes were less dense. The results showed that feeding of milk fermented with E. faecalis DAPTO 512 during 18 days prior to β-Lg allergy induction exerts a protecting effect on the murine intestine and induces a significant decrease in the β-Lg allergenicity.
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Affiliation(s)
- K Belkaaloul
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - T Haertlé
- 2 UR 1268, Biopolymères Interactions Assemblages, INRA, BP 71627, 44300 Nantes, France
| | - J M Chobert
- 2 UR 1268, Biopolymères Interactions Assemblages, INRA, BP 71627, 44300 Nantes, France
| | - R Merah
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - K Taibi
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - H A Saad El Hachemi
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - S Hemch
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - L Amier
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - A Chekroun
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - D Saidi
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
| | - O Kheroua
- 1 Laboratory of Physiology of Nutrition and Food Safety, Department of Biology, Faculty of Science and Life, University of Oran, P.O. Box 1524, El m'naouer Oran 31000, Algeria
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Tulini FL, Hymery N, Choiset Y, Chobert JM, Haertlé T, De Martinis ECP, Le Blay G. Milk fermented with the probiotic candidate Lactobacillus paracasei FT700 induces differentiation of monocytes toward macrophages in vitro. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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de Souza Barbosa M, Todorov SD, Ivanova I, Chobert JM, Haertlé T, de Melo Franco BDG. Improving safety of salami by application of bacteriocins produced by an autochthonous Lactobacillus curvatus isolate. Food Microbiol 2015; 46:254-262. [DOI: 10.1016/j.fm.2014.08.004] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 07/26/2014] [Accepted: 08/11/2014] [Indexed: 11/16/2022]
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El-Ghaish S, El-Baz A, Hwanhlem N, Zommara M, Ayad E, Choiset Y, Haertlé T, Chobert JM. Bacteriocin production and safety evaluation of non-starter Enterococcus faecium IM1 and Enterococcus hirae IM1 strains isolated from homemade Egyptian dairy products. Eur Food Res Technol 2015. [DOI: 10.1007/s00217-015-2424-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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El Mecherfi KE, Rouaud O, Curet S, Negaoui H, Chobert JM, Kheroua O, Saidi D, Haertlé T. Peptic hydrolysis of bovine beta-lactoglobulin under microwave treatment reduces its allergenicity in anex vivomurine allergy model. Int J Food Sci Technol 2014. [DOI: 10.1111/ijfs.12653] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kamel-Eddine El Mecherfi
- Université d'Oran; Laboratoire de Physiologie de la Nutrition et de Sécurité Alimentaire; Équipe Allergie; BP 1524 EL M'Naouer 31000 Oran Algéria
- UR 1268 Biopolymères Interactions Assemblages; Institut National de Recherche Agronomique; Équipe Fonctions et Interactions des Protéines; rue de la Géraudière BP 71627 44316 Nantes Cedex 3 France
| | - Olivier Rouaud
- ONIRIS; CNRS; GEPEA; UMR 6144 rue de la Géraudière CS82225 44322 Nantes France
| | - Sébastien Curet
- ONIRIS; CNRS; GEPEA; UMR 6144 rue de la Géraudière CS82225 44322 Nantes France
| | - Hanane Negaoui
- Université d'Oran; Laboratoire de Physiologie de la Nutrition et de Sécurité Alimentaire; Équipe Allergie; BP 1524 EL M'Naouer 31000 Oran Algéria
| | - Jean-Marc Chobert
- UR 1268 Biopolymères Interactions Assemblages; Institut National de Recherche Agronomique; Équipe Fonctions et Interactions des Protéines; rue de la Géraudière BP 71627 44316 Nantes Cedex 3 France
| | - Omar Kheroua
- Université d'Oran; Laboratoire de Physiologie de la Nutrition et de Sécurité Alimentaire; Équipe Allergie; BP 1524 EL M'Naouer 31000 Oran Algéria
| | - Djamel Saidi
- Université d'Oran; Laboratoire de Physiologie de la Nutrition et de Sécurité Alimentaire; Équipe Allergie; BP 1524 EL M'Naouer 31000 Oran Algéria
| | - Thomas Haertlé
- UR 1268 Biopolymères Interactions Assemblages; Institut National de Recherche Agronomique; Équipe Fonctions et Interactions des Protéines; rue de la Géraudière BP 71627 44316 Nantes Cedex 3 France
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Pescuma M, Hébert EM, Haertlé T, Chobert JM, Mozzi F, Font de Valdez G. Lactobacillus delbrueckii subsp. bulgaricus CRL 454 cleaves allergenic peptides of β-lactoglobulin. Food Chem 2014; 170:407-14. [PMID: 25306364 DOI: 10.1016/j.foodchem.2014.08.086] [Citation(s) in RCA: 26] [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: 04/08/2014] [Revised: 07/03/2014] [Accepted: 08/19/2014] [Indexed: 10/24/2022]
Abstract
Whey, a cheese by-product used as a food additive, is produced worldwide at 40.7 million tons per year. β-Lactoglobulin (BLG), the main whey protein, is poorly digested and is highly allergenic. We aimed to study the contribution of Lactobacillus delbrueckii subsp. bulgaricus CRL 454 to BLG digestion and to analyse its ability to degrade the main allergenic sequences of this protein. Pre-hydrolysis of BLG by L. delbrueckii subsp. bulgaricus CRL 454 increases digestion of BLG assayed by an in vitro simulated gastrointestinal system. Moreover, peptides from hydrolysis of the allergenic sequences V41-K60, Y102-R124, C121-L140 and L149-I162 were found when BLG was hydrolysed by this strain. Interestingly, peptides possessing antioxidant, ACE inhibitory, antimicrobial and immuno-modulating properties were found in BLG degraded by both the Lactobacillus strain and digestive enzymes. To conclude, pre-hydrolysis of BLG by L. delbrueckii subsp. bulgaricus CRL 454 has a positive effect on BLG digestion and could diminish allergenic reactions.
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Affiliation(s)
- Micaela Pescuma
- Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
| | - Elvira M Hébert
- Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
| | - Thomas Haertlé
- UR 1268, Biopolymères Interactions Assemblages, INRA, Fonctions et Interactions des Protéines, Rue de la Géraudière, B.P. 71627, 44316 Nantes Cedex 3, France
| | - Jean-Marc Chobert
- UR 1268, Biopolymères Interactions Assemblages, INRA, Fonctions et Interactions des Protéines, Rue de la Géraudière, B.P. 71627, 44316 Nantes Cedex 3, France
| | - Fernanda Mozzi
- Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina.
| | - Graciela Font de Valdez
- Centro de Referencia para Lactobacilos (CERELA)-CONICET, Chacabuco 145, 4000 San Miguel de Tucumán, Argentina; Cátedra de Microbiología Superior, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina.
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Mensi A, Borel P, Goncalves A, Nowicki M, Gleize B, Roi S, Chobert JM, Haertlé T, Reboul E. β-lactoglobulin as a vector for β-carotene food fortification. J Agric Food Chem 2014; 62:5916-5924. [PMID: 24857546 DOI: 10.1021/jf501683s] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [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
Food fortification is a strategy to overcome vitamin A deficiency in developing countries. Our aim was to investigate the involvement of the bovine milk protein β-lactoglobulin (β-Lg), a potential retinoid carrier, in vitamin A absorption. In vivo experiments were conducted by force-feeding mice with retinol or β-carotene associated with either β-Lg or oil-in-water emulsion, with subsequent determination of both vitamin A intestinal mucosa and plasma contents. Caco-2 cells were then used to investigate the mechanisms of vitamin A uptake when delivered by either β-Lg or mixed micelles. We showed that β-Lg was as efficient as emulsion to promote β-carotene, but not retinol, absorption in mice. Similar results were obtained in vitro. Interestingly, an inhibitor of the Scavenger Receptor Class B Type I significantly decreased the uptake of micellar β-carotene but not that of β-carotene bound to β-Lg. Overall, we showed that β-Lg would be a good vector for β-carotene food fortification.
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Affiliation(s)
- Azza Mensi
- Biopolymères Interactions Assemblages, INRA, UR 1268 , F-44316 Nantes, France
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Gousterova A, Nustorova M, Goshev I, Christov P, Braikova D, Tishinov K, Haertlé T, Nedkov P. Alkaline Hydrolysate of Waste Sheep Wool Aimed as Fertilizer. BIOTECHNOL BIOTEC EQ 2014. [DOI: 10.1080/13102818.2003.10817072] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Movsesyan I, Ahabekyan N, Bazukyan I, Madoyan R, Dalgalarrondo M, Chobert J, Popov Y, Haertlé T. Properties and Survival Under Simulated Gastrointestinal Conditions of Lactic Acid Bacteria Isolated from Armenian Cheeses and Matsuns. BIOTECHNOL BIOTEC EQ 2014. [DOI: 10.1080/13102818.2010.10817880] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Barbosa MS, Todorov SD, Belguesmia Y, Choiset Y, Rabesona H, Ivanova IV, Chobert JM, Haertlé T, Franco BDGM. Purification and characterization of the bacteriocin produced by Lactobacillus sakei MBSa1 isolated from Brazilian salami. J Appl Microbiol 2014; 116:1195-208. [PMID: 24506656 DOI: 10.1111/jam.12438] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [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: 06/12/2013] [Revised: 11/19/2013] [Accepted: 01/06/2014] [Indexed: 11/29/2022]
Abstract
AIMS The study aimed at determining the biochemical characteristics of the bacteriocin produced by Lactobacillus sakei MBSa1, isolated from salami, correlating the results with the genetic features of the producer strain. METHODS AND RESULTS Identification of strain MBSa1 was performed by 16S rDNA sequencing. The bacteriocin was tested for spectrum of activity, heat and pH stability, mechanism of action, molecular mass and amino acid sequence when purified by cation-exchange and reversed-phase HPLC. Genomic DNA was tested for bacteriocin genes commonly present in Lact. sakei. Bacteriocin MBSa1 was heat-stable, unaffected by pH 2·0 to 6·0 and active against all tested Listeria monocytogenes strains. Maximal production of bacteriocin MBSa1 (1600 AU ml(-1)) in MRS broth occurred after 20 h at 25°C. The molecular mass of produced bacteriocin was 4303·3 Da, and the molecule contained the SIIGGMISGWAASGLAG sequence, also present in sakacin A. The strain contained the sakacin A and curvacin A genes but was negative for other tested sakacin genes (sakacins T-α, T-β, X, P, G and Q). CONCLUSIONS In the studied conditions, Lact. sakei MBSa1 produced sakacin A, a class II bacteriocin, with anti-Listeria activity. SIGNIFICANCE AND IMPACT OF THE STUDY The study covers the purification and characterization of the bacteriocin produced by a lactic acid bacteria isolated from salami (Lact. sakei MBSa1), linking genetic and expression information. Its heat-resistance, pH stability in acid conditions (pH 2·0-6·0) and activity against L. monocytogenes food isolates bring up a potential technological application to improve food safety.
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Affiliation(s)
- M S Barbosa
- Departamento de Alimentos e Nutrição Experimental, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, Brazil
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Belguesmia Y, Rabesona H, Mounier J, Pawtowsky A, Le Blay G, Barbier G, Haertlé T, Chobert JM. Characterization of antifungal organic acids produced by Lactobacillus harbinensis K.V9.3.1Np immobilized in gellan–xanthan beads during batch fermentation. Food Control 2014. [DOI: 10.1016/j.foodcont.2013.08.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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