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Berman-Riu M, Cunill V, Clemente A, López-Gómez A, Pons J, Ferrer JM. Dysfunctional mitochondria, disrupted levels of reactive oxygen species, and autophagy in B cells from common variable immunodeficiency patients. Front Immunol 2024; 15:1362995. [PMID: 38596676 PMCID: PMC11002182 DOI: 10.3389/fimmu.2024.1362995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 03/04/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction Common Variable Immunodeficiency (CVID) patients are characterized by hypogammaglobulinemia and poor response to vaccination due to deficient generation of memory and antibody-secreting B cells. B lymphocytes are essential for the development of humoral immune responses, and mitochondrial function, hreactive oxygen species (ROS) production and autophagy are crucial for determining B-cell fate. However, the role of those basic cell functions in the differentiation of human B cells remains poorly investigated. Methods We used flow cytometry to evaluate mitochondrial function, ROS production and autophagy processes in human naïve and memory B-cell subpopulations in unstimulated and stimulated PBMCs cultures. We aimed to determine whether any alterations in these processes could impact B-cell fate and contribute to the lack of B-cell differentiation observed in CVID patients. Results We described that naïve CD19+CD27- and memory CD19+CD27+ B cells subpopulations from healthy controls differ in terms of their dependence on these processes for their homeostasis, and demonstrated that different stimuli exert a preferential cell type dependent effect. The evaluation of mitochondrial function, ROS production and autophagy in naïve and memory B cells from CVID patients disclosed subpopulation specific alterations. Dysfunctional mitochondria and autophagy were more prominent in unstimulated CVID CD19+CD27- and CD19+CD27+ B cells than in their healthy counterparts. Although naïve CD19+CD27- B cells from CVID patients had higher basal ROS levels than controls, their ROS increase after stimulation was lower, suggesting a disruption in ROS homeostasis. On the other hand, memory CD19+CD27+ B cells from CVID patients had both lower ROS basal levels and a diminished ROS production after stimulation with anti-B cell receptor (BCR) and IL-21. Conclusion The failure in ROS cell signalling could impair CVID naïve B cell activation and differentiation to memory B cells. Decreased levels of ROS in CVID memory CD19+CD27+ B cells, which negatively correlate with their in vitro cell death and autophagy, could be detrimental and lead to their previously demonstrated premature death. The final consequence would be the failure to generate a functional B cell compartment in CVID patients.
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Affiliation(s)
- Maria Berman-Riu
- Department of Immunology, Son Espases University Hospital, Palma, Spain
- Human Immunopathology Research Laboratory, Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Vanesa Cunill
- Department of Immunology, Son Espases University Hospital, Palma, Spain
- Human Immunopathology Research Laboratory, Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Antonio Clemente
- Multidisciplinary Sepsis Group, Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Antonio López-Gómez
- Department of Immunology, Son Espases University Hospital, Palma, Spain
- Human Immunopathology Research Laboratory, Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Jaime Pons
- Department of Immunology, Son Espases University Hospital, Palma, Spain
- Human Immunopathology Research Laboratory, Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Joana M. Ferrer
- Department of Immunology, Son Espases University Hospital, Palma, Spain
- Human Immunopathology Research Laboratory, Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
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Nieto G, Martínez-Zamora L, Peñalver R, Marín-Iniesta F, Taboada-Rodríguez A, López-Gómez A, Martínez-Hernández GB. Applications of Plant Bioactive Compounds as Replacers of Synthetic Additives in the Food Industry. Foods 2023; 13:47. [PMID: 38201075 PMCID: PMC10778451 DOI: 10.3390/foods13010047] [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: 11/16/2023] [Revised: 12/11/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
According to the Codex Alimentarius, a food additive is any substance that is incorporated into a food solely for technological or organoleptic purposes during the production of that food. Food additives can be of synthetic or natural origin. Several scientific evidence (in vitro studies and epidemiological studies like the controversial Southampton study published in 2007) have pointed out that several synthetic additives may lead to health issues for consumers. In that sense, the actual consumer searches for "Clean Label" foods with ingredient lists clean of coded additives, which are rejected by the actual consumer, highlighting the need to distinguish synthetic and natural codded additives from the ingredient lists. However, this natural approach must focus on an integrated vision of the replacement of chemical substances from the food ingredients, food contact materials (packaging), and their application on the final product. Hence, natural plant alternatives are hereby presented, analyzing their potential success in replacing common synthetic emulsifiers, colorants, flavorings, inhibitors of quality-degrading enzymes, antimicrobials, and antioxidants. In addition, the need for a complete absence of chemical additive migration to the food is approached through the use of plant-origin bioactive compounds (e.g., plant essential oils) incorporated in active packaging.
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Affiliation(s)
- Gema Nieto
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Lorena Martínez-Zamora
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Rocío Peñalver
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Fulgencio Marín-Iniesta
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
| | - Amaury Taboada-Rodríguez
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (G.N.); (L.M.-Z.); (R.P.); (A.T.-R.)
- Agrosingularity, Calle Pintor Aurelio Pérez 12, 30006 Murcia, Spain
| | - Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain;
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain;
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López-Gómez A, Navarro-Martínez A, Garre A, Iguaz A, Martínez-Hernández GB. The Potential of Essential Oils from Active Packaging to Reduce Ethylene Biosynthesis in Plant Products. Part 2: Fruits (Blueberries and Blackberries). Plants (Basel) 2023; 12:3418. [PMID: 37836158 PMCID: PMC10574652 DOI: 10.3390/plants12193418] [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] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/25/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023]
Abstract
Plant essential oils (EOs) have an important ability to inhibit ethylene biosynthesis. Nevertheless, the effects of EOs on the key components of ethylene biosynthesis (l-aminocyclopropane-1-carboxylic (ACC) oxidase activity, ACC synthase activity, and ACC content) have not yet been thoroughly studied. Accordingly, this study focused on the effects of emitted EOs from active packaging (EO doses from 100 to 1000 mg m-2) on the key components of ethylene biosynthesis of blueberries and blackberries under several storage temperatures. Anise EO and lemon EO active packaging induced the greatest inhibitory effects (60-76%) on the ethylene production of blueberries and blackberries, respectively, even at high storage temperatures (22 °C). In terms of EO doses, active packaging with 1000 mg m-2 of anise EO or lemon EO led to the highest reduction of ethylene production, respectively. At 22 °C, the investigated EO active packing reduced the activities of ACC synthase and ACC oxidase up to 50%. In order to minimise ethylene biosynthesis in blueberries and blackberries when they are stored even under improper temperature scenarios at high temperatures, this EO active packaging is a natural and efficient technological solution.
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Affiliation(s)
- Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (A.L.-G.); (A.N.-M.); (A.I.)
- Institute of Plant Biotechnology, Camouys Muralla del Mar (Universidad Politécnica de Cartagena), 30202 Cartagena, Spain
| | - Alejandra Navarro-Martínez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (A.L.-G.); (A.N.-M.); (A.I.)
| | - Alberto Garre
- Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartegan, Spain;
| | - Asunción Iguaz
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (A.L.-G.); (A.N.-M.); (A.I.)
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (A.L.-G.); (A.N.-M.); (A.I.)
- Institute of Plant Biotechnology, Camouys Muralla del Mar (Universidad Politécnica de Cartagena), 30202 Cartagena, Spain
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López-Gómez A, Navarro-Martínez A, Garre A, Artés-Hernández F, Villalba P, Martínez-Hernández GB. The Potential of Essential Oils from Active Packaging to Reduce Ethylene Biosynthesis in Plant Products. Part 1: Vegetables (Broccoli and Tomato). Plants (Basel) 2023; 12:3404. [PMID: 37836143 PMCID: PMC10574596 DOI: 10.3390/plants12193404] [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] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023]
Abstract
Essential oils (EOs) extracted from plants have a high potential to reduce ethylene biosynthesis, although their effects have not been deeply studied yet on the key components of the ethylene biosynthesis pathway: l-aminocyclopropane-1-carboxylic (ACC) oxidase activity, ACC synthase activity, and ACC content. Hence, the present study aimed to elucidate the effects of released EOs from active packaging (with different EO doses ranging from 100 to 1000 mg m-2) on the ethylene biosynthesis key components of broccoli and tomato under different storage temperature scenarios. The largest ethylene inhibitory effects on broccoli and tomatoes were demonstrated by grapefruit EO and thyme essential EO (up to 63%), respectively, which were more pronounced at higher temperatures. Regarding EO doses, active packaging with a thyme EO dose of 1000 mg m-2 resulted in the strongest reduction (33-38%) of ethylene production in tomatoes. For broccoli, identical results were shown with a lower grapefruit EO dose of 500 mg m-2. The studied EO-active packaging decreased ACC synthase and ACC oxidase activities by 40-50% at 22 °C. Therefore, this EO-active packaging is a natural and effective technology to reduce ethylene biosynthesis in broccoli and tomatoes when they are stored, even in unsuitable scenarios at high temperatures.
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Affiliation(s)
- Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain; (A.L.-G.); (A.N.-M.); (P.V.)
- Institute of Plant Biotechnology, Campus Muralla del Mar (Universidad Politécnica de Cartagena), 30202 Cartagena, Murcia, Spain;
| | - Alejandra Navarro-Martínez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain; (A.L.-G.); (A.N.-M.); (P.V.)
| | - Alberto Garre
- Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain;
| | - Francisco Artés-Hernández
- Institute of Plant Biotechnology, Campus Muralla del Mar (Universidad Politécnica de Cartagena), 30202 Cartagena, Murcia, Spain;
- Postharvest and Refrigeration Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain
| | - Pedro Villalba
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain; (A.L.-G.); (A.N.-M.); (P.V.)
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Murcia, Spain; (A.L.-G.); (A.N.-M.); (P.V.)
- Institute of Plant Biotechnology, Campus Muralla del Mar (Universidad Politécnica de Cartagena), 30202 Cartagena, Murcia, Spain;
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Muñoz-Sánchez G, Pérez-Isidro A, Ortiz de Landazuri I, López-Gómez A, Bravo-Gallego LY, Garcia-Ormaechea M, Julià MR, Viñas O, Ruiz-Ortiz E. Working Algorithms and Detection Methods of Autoantibodies in Autoimmune Liver Disease: A Nationwide Study. Diagnostics (Basel) 2022; 12:diagnostics12030697. [PMID: 35328252 PMCID: PMC8947365 DOI: 10.3390/diagnostics12030697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 02/02/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
Autoantibody detection is the cornerstone of autoimmune liver diseases (AILD) diagnosis. Standardisation of working algorithms among autoimmunity laboratories, as well as being aware of the sensitivity and specificity of various commercial techniques in daily practice, are still necessary. The aim of this nationwide study is to report the results of the 2020 Autoimmunity Workshop organised by the Autoimmunity Group of the Spanish Society of Immunology and to provide useful information to clinicians and laboratory specialists to improve the management of autoantibody detection in AILD diagnoses. Serum samples from 17 patients with liver diseases were provided by the organisers of the 2020 Autoimmunity Workshop and were subsequently analysed by the 40 participating laboratories. Each laboratory used different techniques for the detection of autoantibodies in each patients’ serum sample, according to their working algorithm. Thus, almost 680 total complete patient reports were obtained, and the number of results from different autoantibody detection techniques was >3000. Up to eight different working algorithms were employed, including indirect immunofluorescence assays (IFA) and antigen-specific techniques (AgST). The IFA of HEp-2 cells was more sensitive than IFA of rat triple tissue for the study of anti-nuclear autoantibodies (ANA) associated with AILD. The IFA of a human neutrophil study for the analysis of anti-neutrophil cytoplasmic autoantibodies was not carried out systemically in all patients, or by all laboratories. AgSTs were the most sensitive methods for the detection of anti-smooth muscle/F-actin, soluble liver antigen, liver cytosol-1, M2-mitochondrial autoantibodies, and ANA associated with primary biliary cholangitis. The main differences in AMA detection were due to patients with autoantibodies against the non-dominant epitope of pyruvate dehydrogenase complex. Given that they are complementary, IFA and AgST should be performed in parallel. If there is high suspicion of AILD, AgST should always be performed.
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Affiliation(s)
- Guillermo Muñoz-Sánchez
- Department of Immunology, Centre de Diagnòstic Biomèdic, Hospital Clínic de Barcelona, Villarroel 170-Escala 4, Planta 0, 08036 Barcelona, Spain; (G.M.-S.); (A.P.-I.); (I.O.d.L.); (L.Y.B.-G.); (O.V.)
| | - Albert Pérez-Isidro
- Department of Immunology, Centre de Diagnòstic Biomèdic, Hospital Clínic de Barcelona, Villarroel 170-Escala 4, Planta 0, 08036 Barcelona, Spain; (G.M.-S.); (A.P.-I.); (I.O.d.L.); (L.Y.B.-G.); (O.V.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
| | - Iñaki Ortiz de Landazuri
- Department of Immunology, Centre de Diagnòstic Biomèdic, Hospital Clínic de Barcelona, Villarroel 170-Escala 4, Planta 0, 08036 Barcelona, Spain; (G.M.-S.); (A.P.-I.); (I.O.d.L.); (L.Y.B.-G.); (O.V.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
| | - Antonio López-Gómez
- Department of Immunology, Hospital Universitari Son Espases, 07120 Palma de Mallorca, Spain; (A.L.-G.); (M.R.J.)
- Institut d’Investigació Sanitària Illes Balears, 07120 Palma de Mallorca, Spain
| | - Luz Yadira Bravo-Gallego
- Department of Immunology, Centre de Diagnòstic Biomèdic, Hospital Clínic de Barcelona, Villarroel 170-Escala 4, Planta 0, 08036 Barcelona, Spain; (G.M.-S.); (A.P.-I.); (I.O.d.L.); (L.Y.B.-G.); (O.V.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
| | | | - Maria Rosa Julià
- Department of Immunology, Hospital Universitari Son Espases, 07120 Palma de Mallorca, Spain; (A.L.-G.); (M.R.J.)
- Institut d’Investigació Sanitària Illes Balears, 07120 Palma de Mallorca, Spain
| | - Odette Viñas
- Department of Immunology, Centre de Diagnòstic Biomèdic, Hospital Clínic de Barcelona, Villarroel 170-Escala 4, Planta 0, 08036 Barcelona, Spain; (G.M.-S.); (A.P.-I.); (I.O.d.L.); (L.Y.B.-G.); (O.V.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
| | - Estíbaliz Ruiz-Ortiz
- Department of Immunology, Centre de Diagnòstic Biomèdic, Hospital Clínic de Barcelona, Villarroel 170-Escala 4, Planta 0, 08036 Barcelona, Spain; (G.M.-S.); (A.P.-I.); (I.O.d.L.); (L.Y.B.-G.); (O.V.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
- Correspondence:
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López-Gómez A, Ros-Chumillas M, Navarro-Martínez A, Barón M, Navarro-Segura L, Taboada-Rodríguez A, Marín-Iniesta F, Martínez-Hernández GB. Packaging of Fresh Sliced Mushrooms with Essential Oils Vapours: A New Technology for Maintaining Quality and Extending Shelf Life. Foods 2021; 10:foods10061196. [PMID: 34073204 PMCID: PMC8228756 DOI: 10.3390/foods10061196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/20/2021] [Accepted: 05/24/2021] [Indexed: 11/16/2022] Open
Abstract
The use of vapour of essential oils (EOs) through an innovative pilot-plant packaging device was studied to preserve the quality of sliced mushrooms during storage. A mix of EOs (eugenol, bergamot EO, and grapefruit EO) was vaporized (100 and 125 µL L−1) and applied during packaging of sliced mushrooms under modified atmosphere packaging (MAP); then, the product quality was studied during cold storage up to 12 days. The highest colour changes of EOs125 samples, which were observed in the mushroom stipe, were not observed with the EOs100 atmosphere. Thus, the high polyphenoloxidase activity observed in untreated samples after 5–7 days was highly controlled with the vapour EOs atmospheres. Furthermore, the visual appearance scores of EOs100 samples were still over the limit of usability, while untreated samples were already below this threshold after 5 days of storage. A strong bacteriostatic effect was achieved with vapour EOs, reducing the Pseudomonas spp. (the main microbial genus in cultivated mushrooms) growth by ≈1.7 log CFU g−1, regardless of the EOs dose, after 12 days. The activity of phenyl ammonia lyase was also reduced up to ≈0.4 enzymatic units with the EOs100 treatment. Conclusively, packaging of sliced mushrooms under an atmosphere enriched with 100 µL L−1 EOs vapour highly controlled the quality loss of sliced mushrooms owing to their enzymatic inhibition and high bacteriostatic effect.
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Affiliation(s)
- Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (M.R.-C.); (A.N.-M.); (M.B.); (L.N.-S.)
- Correspondence: (A.L.-G.); (G.B.M.-H.); Tel.: +34-968325516 (A.L.-G.)
| | - María Ros-Chumillas
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (M.R.-C.); (A.N.-M.); (M.B.); (L.N.-S.)
| | - Alejandra Navarro-Martínez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (M.R.-C.); (A.N.-M.); (M.B.); (L.N.-S.)
| | - Marta Barón
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (M.R.-C.); (A.N.-M.); (M.B.); (L.N.-S.)
| | - Laura Navarro-Segura
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain; (M.R.-C.); (A.N.-M.); (M.B.); (L.N.-S.)
| | - Amaury Taboada-Rodríguez
- Group of Research Food Biotechnology-BTA, Department of Food Science, Nutrition and Bromatology, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain; (A.T.-R.); (F.M.-I.)
| | - Fulgencio Marín-Iniesta
- Group of Research Food Biotechnology-BTA, Department of Food Science, Nutrition and Bromatology, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain; (A.T.-R.); (F.M.-I.)
| | - Ginés Benito Martínez-Hernández
- Biotechnological Processes Technology and Engineering Lab, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Edif I+D+I, Campus Muralla del Mar, 30202 Cartagena, Spain
- Correspondence: (A.L.-G.); (G.B.M.-H.); Tel.: +34-968325516 (A.L.-G.)
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Jonušaite K, Venskutonis PR, Martínez-Hernández GB, Taboada-Rodríguez A, Nieto G, López-Gómez A, Marín-Iniesta F. Antioxidant and Antimicrobial Effect of Plant Essential Oils and Sambucus nigra Extract in Salmon Burgers. Foods 2021; 10:foods10040776. [PMID: 33916629 PMCID: PMC8065744 DOI: 10.3390/foods10040776] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 03/04/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/13/2022] Open
Abstract
The antioxidant capacity of oregano (OEO) and clove (CLEO) essential oils and black elderberry (Sambucus nigra) flower extract (SNE) were compared with butylhydroxytoluene (BHT) regarding its protection against lipid peroxidation and microbial counts in salmon burgers stored at 4 °C for 14 days and after cooking. The content of total phenols was 5.74% in OEO, 2.64% in CLEO and 2.67 % in the SNE. The total phenolic content and the antioxidant capacity were significantly higher (p < 0.05) for SNE and OEO. Both essential oils showed a similar IC50 and inhibition percentage of lipid peroxidation to BHT. The combination of OEO and SNE reduced 29% of thiobarbituric acid reactive substances (TBARS), while BHT reduced 31% of TBARS generated during refrigeration storage in salmon burgers in relation to the control sample without antioxidants. Additionally, the microbial counts after 14 days of refrigeration were the lowest in burgers when the combination of OEO and SNE was used. This study concludes that OEO and SNE can be used as inhibitors of lipid oxidation in salmon products and as natural candidates to replace commonly used synthetic antioxidants and antimicrobials in these food products.
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Affiliation(s)
- Kristina Jonušaite
- Department of Food, Science & Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania;
| | - Petras Rimantas Venskutonis
- Department of Food, Science & Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania;
- Correspondence: (P.R.V.); (F.M.-I.); Tel.: +34-868-884-709 (F.M.-I.)
| | - Gines Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain; (G.B.M.-H.); (A.L.-G.)
| | - Amaury Taboada-Rodríguez
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (A.T.-R.); (G.N.)
| | - Gema Nieto
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (A.T.-R.); (G.N.)
| | - Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain; (G.B.M.-H.); (A.L.-G.)
| | - Fulgencio Marín-Iniesta
- Department of Food Technology, Nutrition and Food Science, Veterinary Faculty, University of Murcia, 30100 Murcia, Spain; (A.T.-R.); (G.N.)
- Correspondence: (P.R.V.); (F.M.-I.); Tel.: +34-868-884-709 (F.M.-I.)
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Martínez-Hernández GB, Taboada-Rodríguez A, Garre A, Marín-Iniesta F, López-Gómez A. The Application of Essential Oil Vapors at the End of Vacuum Cooling of Fresh Culinary Herbs Promotes Aromatic Recovery. Foods 2021; 10:foods10030498. [PMID: 33652559 PMCID: PMC7996559 DOI: 10.3390/foods10030498] [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: 01/30/2021] [Revised: 02/15/2021] [Accepted: 02/23/2021] [Indexed: 11/16/2022] Open
Abstract
Aroma is an important quality parameter of fresh culinary herbs that may be highly affected after postharvest treatments. The innovative technology of vapor essential oil (EO) application under vacuum conditions may recover aroma lost during the postharvest processing of plant products like aromatic herbs. Hence, this study assessed the aroma recovery effect of vapor EOs applied during vacuum cooling on curly parsley and dill. The volatile organic compounds (VOCs) profiles of these aromatic herbs were studied by static headspace solid-phase microextraction (SPME), and the VOCs sorption kinetics onto the SPME stir-bar coating were modeled by the Baranyi model. At the pilot plant scale, the total VOCs contents of parsley and dill (whose extractability was increased by 10-20% after a single vacuum process) were enhanced by 4.5- and 2-fold, respectively, when vapor EOs were applied. In particular, 1,3,8-p-menthatriene and carvone (parsley) increased by 18.7- and 7.3-fold, respectively, while dill ether (the characteristic VOC of dill) augmented by 2.4-fold after vapor EOs were applied under vacuum conditions. The aroma recovery of culinary herbs was successfully validated at an industrial level in an installation developed by our group to apply vapor EOs within a vacuum cooling system, reaching total VOC recoveries of 4.9- and 2.3-fold in parsley and dill, respectively.
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Affiliation(s)
- Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain
| | - Amaury Taboada-Rodríguez
- Group of Research Food Biotechnology-BTA, Department of Food Science, Nutrition and Bromatology, Campus de Espinardo, University of Murcia, 30100 Murcia, Spain
| | - Alberto Garre
- Food Microbiology Group, Wageningen University & Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Fulgencio Marín-Iniesta
- Group of Research Food Biotechnology-BTA, Department of Food Science, Nutrition and Bromatology, Campus de Espinardo, University of Murcia, 30100 Murcia, Spain
| | - Antonio López-Gómez
- Biotechnological Processes Technology and Engineering Lab, Instituto de Biotecnología Vegetal, Edif I+D+I, Campus Muralla del Mar, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain
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López-Gómez A, Navarro-Martínez A, Martínez-Hernández GB. Active Paper Sheets Including Nanoencapsulated Essential Oils: A Green Packaging Technique to Control Ethylene Production and Maintain Quality in Fresh Horticultural Products-A Case Study on Flat Peaches. Foods 2020; 9:foods9121904. [PMID: 33352681 PMCID: PMC7766106 DOI: 10.3390/foods9121904] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 11/24/2020] [Revised: 12/09/2020] [Accepted: 12/16/2020] [Indexed: 11/29/2022] Open
Abstract
Plant essential oils (EOs) have several bioactive properties, highlighting their high antimicrobial and antioxidant capacities. As such, the use of EOs in active packaging has received special attention in the last few years. Nevertheless, the inhibitory effect of EOs on quality-degrading enzymatic systems of plant products during postharvest life has not been deeply studied. The effects of an EO active paper sheet on ethylene biosynthesis and quality (and related quality-degrading enzymes) of flat peach (Prunus persica var. platycarpa) samples were studied during 5 days (continental terrestrial transport) or 26 days (long maritime transport) storage at 2 or 8 °C, both followed by commercialization simulations (4 days at 22 °C). EOs released from active packaging reduced ethylene production by 40–50%, and by up to 70% after commercialization periods. These results were correlated with lower 1-aminocyclopropanecarboxylic acid (ACC) content and ACC-oxidase activity. Physicochemical fruit quality (as indicated by soluble solids content, titratable acidity, color, and firmness) was also better preserved by EO active sheets due to enzymatic inhibition (polygalacturonase and polyphenoloxidase). Furthermore, phenolic compounds (mainly catechin and cyanidin-3 glucoside) and total antioxidant capacity were increased (by up to 30 and 70%, respectively) in EO-packaged samples after 8 °C storage and the subsequent commercialization period. Conclusively, EO active paper sheets controlled ethylene production in flat peaches, maintained fruit quality, and even increased health-promoting bioactive compounds.
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Affiliation(s)
- Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain;
- Biotechnological Processes Technology and Engineering Lab, Campus Muralla del Mar, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Edif I+D+I, 30202 Cartagena, Murcia, Spain
- Correspondence: (A.L.-G.); (G.B.M.-H.); Tel.: +34-968325516 (A.L.-G.)
| | - Alejandra Navarro-Martínez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain;
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Murcia, Spain;
- Biotechnological Processes Technology and Engineering Lab, Campus Muralla del Mar, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Edif I+D+I, 30202 Cartagena, Murcia, Spain
- Correspondence: (A.L.-G.); (G.B.M.-H.); Tel.: +34-968325516 (A.L.-G.)
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Navarro-Segura L, Ros-Chumillas M, Martínez-Hernández GB, López-Gómez A. A new advanced packaging system for extending the shelf life of refrigerated farmed fish fillets. J Sci Food Agric 2020; 100:4601-4611. [PMID: 32419139 DOI: 10.1002/jsfa.10520] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [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: 02/18/2020] [Revised: 05/05/2020] [Accepted: 05/18/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND An innovative pilot-plant packaging was developed and evaluated for applying oregano essential oil (OEO) vapours in conditions of high vacuum for exploring the antimicrobial effect of essential oil vapours applied immediately before packaging of fish fillets. Farmed sea bream (Sparus aurata) fresh fillets have been used as a model for validating this new technology. These fillets, as a refrigerated product under modified atmosphere packaging (MAP), have a relatively short shelf life (12-14 days) mainly due to the fast microbial growth. The effects of conventional OEO dippings [pretreatment dipping (0.1% of OEO) of whole fish (T1) and filleted sea bream (T2)] were compared with the OEO application in vapour phase (67 μL L-1 ) under vacuum (5-10 hPa) immediately before MAP fillet packaging (T3). RESULTS T3/T2 samples showed the lowest microbial growth after 28 days at 4 °C, with loads up to 1/2.6 log units for Enterobacteria/lactic acid bacteria compared to untreated samples. The initial trimethylamine nitrogen (TMA-N) content (2.6 mg kg-1 ) increased in T1 and T2/T3 samples by 9.6 and 6/7 units, respectively, after 28 days. Quality Index Method (QIM) better reflected the fish fillets shelf life than texture and colour measurements. The shelf life of T3/T2 samples was established in at least 28 days (4 °C), while the QIM threshold (6) was exceeded after 7/21 days in untreated/T1 fillets. CONCLUSION The fish shelf life was extended with vapour OEO treatment using this new technology, similarly to OEO dipping treatment, according to QIM, corroborated by the microbial quality and TMA-N contents. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Laura Navarro-Segura
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - María Ros-Chumillas
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Cartagena, Spain
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López-Gómez A, Ros-Chumillas M, Buendía-Moreno L, Navarro-Segura L, Martínez-Hernández GB. Active Cardboard Box with Smart Internal Lining Based on Encapsulated Essential Oils for Enhancing the Shelf Life of Fresh Mandarins. Foods 2020; 9:foods9050590. [PMID: 32384627 PMCID: PMC7278779 DOI: 10.3390/foods9050590] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [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: 04/11/2020] [Revised: 04/26/2020] [Accepted: 05/01/2020] [Indexed: 12/02/2022] Open
Abstract
Mandarins are usually sold in bulk and refrigerated in open cardboard boxes with a relatively short shelf-life (12–15 days) due to physiological and pathological disorders (rot, dehydration, internal breakdown, etc.). The influence of a controlled release of essential oils (EOs) from an active packaging (including β-cyclodextrin-EOs inclusion complex) was studied on the mandarin quality stability, comparing different sized cardboard trays and boxes, either non-active or active, at the pilot plant scale (experiment 1; commercialization simulation at room temperature after a previous simulation of short transportation/storage of 5 days at 8 °C). Then, the selected package was further validated at the industrial scale (experiment 2; cold storage at 8 °C up to 21 days). Among package types, the active large box (≈10 kg fruit per box) better maintained the mandarin quality, extending the shelf life from two weeks (non-active large box) to three weeks at room temperature. Particularly, the active large box highly controlled microbial growth (up to two log units), reduced weight losses (by 1.6-fold), reduced acidity, and increased soluble solids (highly appreciated in sensory analyses), while it minimized colour and controlled firmness changes after three weeks. Such trends were also observed during the validation experiment, extending the shelf life (based on sensory quality) from 14 to at least 21 days. In conclusion, the mandarin’s shelf life with this active cardboard box format was extended more than one week at 8 °C.
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Affiliation(s)
- Antonio López-Gómez
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain; (M.R.-C.); (L.B.-M.); (L.N.-S.); (G.B.M.-H.)
- Biotechnological Processes Technology and Engineering Lab, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Edif I+D+I, Campus Muralla del Mar, 30202 Cartagena, Murcia, Spain
- Correspondence: ; Tel.: +34-968-325516
| | - María Ros-Chumillas
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain; (M.R.-C.); (L.B.-M.); (L.N.-S.); (G.B.M.-H.)
- Biotechnological Processes Technology and Engineering Lab, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Edif I+D+I, Campus Muralla del Mar, 30202 Cartagena, Murcia, Spain
| | - Laura Buendía-Moreno
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain; (M.R.-C.); (L.B.-M.); (L.N.-S.); (G.B.M.-H.)
| | - Laura Navarro-Segura
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain; (M.R.-C.); (L.B.-M.); (L.N.-S.); (G.B.M.-H.)
| | - Ginés Benito Martínez-Hernández
- Food Safety and Refrigeration Engineering Group, Department of Agricultural Engineering, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain; (M.R.-C.); (L.B.-M.); (L.N.-S.); (G.B.M.-H.)
- Biotechnological Processes Technology and Engineering Lab, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Edif I+D+I, Campus Muralla del Mar, 30202 Cartagena, Murcia, Spain
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12
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Buendía-Moreno L, Ros-Chumillas M, Navarro-Segura L, Sánchez-Martínez MJ, Soto-Jover S, Antolinos V, Martínez-Hernández GB, López-Gómez A. Effects of an Active Cardboard Box Using Encapsulated Essential Oils on the Tomato Shelf Life. FOOD BIOPROCESS TECH 2019. [DOI: 10.1007/s11947-019-02311-0] [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] [Indexed: 01/16/2023]
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13
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Navarro-Segura L, Ros-Chumillas M, López-Cánovas AE, García-Ayala A, López-Gómez A. Nanoencapsulated essential oils embedded in ice improve the quality and shelf life of fresh whole seabream stored on ice. Heliyon 2019; 5:e01804. [PMID: 31286075 PMCID: PMC6587112 DOI: 10.1016/j.heliyon.2019.e01804] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 05/15/2019] [Accepted: 05/21/2019] [Indexed: 11/29/2022] Open
Abstract
Ice containing essential oils (EOs) nanoencapsulated in β-cyclodextrins (β-CD) (named as EOs+β-CD ice) was used for stunning/slaughtering by hypothermia in ice slurry, and for ice storage of gilthead seabream. Clove essential oil (CEO) was used at fish stunning/slaughtering, while ice storage of whole fish was performed using a combination of carvacrol, bergamot and grapefruit EOs (CBG). Inclusion complexes CBG+β-CD were characterized, and antimicrobial effect was also evaluated. The kneading method used to form inclusion complexes with CBG showed a good complexation efficiency. Microbial, physical-chemical and sensory analyses were carried out to assess the quality changes of fresh whole seabream during ice storage at 2 °C for 17 days. Results (microbial, chemical and sensorial) indicated that seabream stunning/slaughtering and storage using EOs+β-CD ice (in low doses of 15 mg/kg ice for stunning, and 50 mg/kg ice for ice storage) improved the quality of fresh fish and extended the shelf-life up to 4 days.
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Affiliation(s)
- Laura Navarro-Segura
- Department of Food Engineering and Agricultural Equipment, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, E-30203, Cartagena, Spain
| | - María Ros-Chumillas
- Department of Food Engineering and Agricultural Equipment, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, E-30203, Cartagena, Spain
| | - Amanda E López-Cánovas
- Department of Cell Biology and Histology, Faculty of Biology, Universidad de Murcia, Campus de Espinardo, E-30100, Murcia, Spain
| | - Alfonsa García-Ayala
- Department of Cell Biology and Histology, Faculty of Biology, Universidad de Murcia, Campus de Espinardo, E-30100, Murcia, Spain
| | - Antonio López-Gómez
- Department of Food Engineering and Agricultural Equipment, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, E-30203, Cartagena, Spain.,Instituto de Biotecnología Vegetal, Campus de Excelencia Internacional Regional "Campus Mare Nostrum", Universidad Politécnica de Cartagena, Campus Muralla del Mar, E-30202, Cartagena, Spain
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14
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Cunill V, Massot M, Clemente A, Calles C, Andreu V, Núñez V, López-Gómez A, Díaz RM, Jiménez MDLR, Pons J, Vives-Bauzà C, Ferrer JM. Relapsing-Remitting Multiple Sclerosis Is Characterized by a T Follicular Cell Pro-Inflammatory Shift, Reverted by Dimethyl Fumarate Treatment. Front Immunol 2018; 9:1097. [PMID: 29896193 PMCID: PMC5986897 DOI: 10.3389/fimmu.2018.01097] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [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: 02/08/2018] [Accepted: 05/02/2018] [Indexed: 12/22/2022] Open
Abstract
Multiple sclerosis (MS) is considered a T cell-mediated autoimmune disease, although several evidences also demonstrate a B cell involvement in its etiology. Follicular T helper (Tfh) cells, a CXCR5-expressing CD4+ T cell subpopulation, are essential in the regulation of B cell differentiation and maintenance of humoral immunity. Alterations in circulating (c)Tfh distribution and/or function have been associated with autoimmune diseases including MS. Dimethyl fumarate (DMF) is a recently approved first-line treatment for relapsing-remitting MS (RRMS) patients whose mechanism of action is not completely understood. The aim of our study was to compare cTfh subpopulations between RRMS patients and healthy subjects and evaluate the impact of DMF treatment on these subpopulations, relating them to changes in B cells and humoral response. We analyzed, by flow cytometry, the distribution of cTfh1 (CXCR3+CCR6-), cTfh2 (CXCR3-CCR6-), cTfh17 (CXCR3-CCR6+), and the recently described cTfh17.1 (CXCR3+CCR6+) subpopulations of CD4+ Tfh (CD45RA-CXCR5+) cells in a cohort of 29 untreated RRMS compared to healthy subjects. CD4+ non-follicular T helper (Th) cells (CD45RA-CXCR5-) were also studied. We also evaluated the effect of DMF treatment on these subpopulations after 6 and 12 months treatment. Untreated RRMS patients presented higher percentages of cTfh17.1 cells and lower percentages of cTfh2 cells consistent with a pro-inflammatory bias compared to healthy subjects. DMF treatment induced a progressive increase in cTfh2 cells, accompanied by a decrease in cTfh1 and the pathogenic cTfh17.1 cells. A similar decrease of non-follicular Th1 and Th17.1 cells in addition to an increase in the anti-inflammatory Th2 subpopulation were also detected upon DMF treatment, accompanied by an increase in naïve B cells and a decrease in switched memory B cells and serum levels of IgA, IgG2, and IgG3. Interestingly, this effect was not observed in three patients in whom DMF had to be discontinued due to an absence of clinical response. Our results demonstrate a possibly pathogenic cTfh pro-inflammatory profile in RRMS patients, defined by high cTfh17.1 and low cTfh2 subpopulations that is reverted by DMF treatment. Monitoring cTfh subsets during treatment may become a biological marker of DMF effectiveness.
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Affiliation(s)
- Vanesa Cunill
- Immunology Department, Hospital Universitari Son Espases, Palma, Spain.,Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
| | - Margarita Massot
- Neurology Department, Hospital Universitari Son Espases, Palma, Spain
| | - Antonio Clemente
- Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain.,Clinical Trials and Methodology Support Platform, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
| | - Carmen Calles
- Neurology Department, Hospital Universitari Son Espases, Palma, Spain
| | - Valero Andreu
- Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
| | - Vanessa Núñez
- Neurology Department, Hospital Universitari Son Espases, Palma, Spain
| | - Antonio López-Gómez
- Immunology Department, Hospital Universitari Son Espases, Palma, Spain.,Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
| | - Rosa María Díaz
- Neurology Department, Hospital Universitari Son Espases, Palma, Spain
| | - María de Los Reyes Jiménez
- Immunology Department, Hospital Universitari Son Espases, Palma, Spain.,Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
| | - Jaime Pons
- Immunology Department, Hospital Universitari Son Espases, Palma, Spain.,Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
| | - Cristòfol Vives-Bauzà
- Research Unit, Institut d'Investigació Sanitària de les Illes Balears and Hospital Universitari Son Espases, Palma, Spain
| | - Joana Maria Ferrer
- Immunology Department, Hospital Universitari Son Espases, Palma, Spain.,Human Immunopathology Research Laboratory, Institut d'Investigació Sanitària de les Illes Balears (IdISBa), Palma, Spain
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15
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Prado-Calleros HM, Castillo-Ventura BB, Jiménez-Escobar I, Ramírez-Hinojosa JP, López-Gómez A, García-de-la-Cruz M, Dayan-Nurko M. Noma and Noma-like disease in HIV/AIDS patients, a comorbid interaction: A systematic review. J Infect Dev Ctries 2018; 12:89-96. [PMID: 31825909 DOI: 10.3855/jidc.9716] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 12/07/2017] [Indexed: 10/31/2022] Open
Abstract
INTRODUCTION Noma is an opportunistic polymicrobial infection that cause necrosis of the mouth and face, with high morbidity and mortality, predominantly affecting malnourished children and persons with debilitating diseases. Cases of noma-like disease in adults, although rare, have been increasingly reported in HIV/AIDS patients particularly in developing countries but also in more developed countries. METHODOLOGY A systematic review of the literature to assess the occurrence and clinical impact of noma and noma-like disease in HIV/AIDS patients was performed on PubMed, Virtual Health Library, Cochrane Library and Google Scholar using the keywords "HIV"[ All Fields] AND "Noma"[All Fields] in December 2016 (years includead for the search: 1985 to 2016). RESULTS Twenty-four published studies were identified that document the occurrence of noma or noma-like disease in a total of 133 HIV/AIDS children and adult patients in the last 22 years. Although HIV infection is not the principal risk factor for noma, in some regions may play a substantial role in its pathogenesis. The mortality rate for noma-like disease in HIV/AIDS patients was 54.3%, compared to the 15% mortality rate of treated noma patients without HIV/AIDS. Most of the cases have never been on antiretroviral therapy, and their HIV infection was discovered because of the noma-like disease. CONCLUSIONS The syndemic interaction between HIV/AIDS and noma-like disease adversely impacts the severity of the disease and the mortality rate. Noma-like disease, although not yet considered a specific or frequent disease associated with HIV infection, should be considered as an opportunistic infection for AIDS.
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16
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Landa-Ramírez E, López-Gómez A, Jiménez-Escobar I, Sánchez-Sosa JJ. [Breaking bad news in the emergency room: Suggestions and future challenges]. Rev Med Inst Mex Seguro Soc 2017; 55:736-747. [PMID: 29190867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The aim of this paper is to describe educational programs that reportedly teach how to break bad news in the emergency department. We also suggest some recommendations on how to communicate bad news based on the research of evidence available in the field. The examined evidence points toward six major components with which physicians should familiarize when communicating bad news: 1) doctor-patient empathic communication, 2) establishing a proper space to give the news, 3) identifying characteristics of the person who receives the news, 4) essential aspects for communicating the news; 5) emotional support, and 6) medical and administrative aspects of the encounter. Finally, we point out several limitations in the studies in the field and future challenges identified in the communication of bad news in emergency room facilities.
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Affiliation(s)
- Edgar Landa-Ramírez
- Programa de Psicología de la Salud y Medicina Conductual, Facultad de Psicología, Universidad Nacional Autónoma de México
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Sánchez-Rubio M, Guerrouj K, Taboada-Rodríguez A, López-Gómez A, Marín-Iniesta F. Control of Native Spoilage Yeast on Dealcoholized Red Wine by Preservatives Alone and in Binary Mixtures. J Food Sci 2017; 82:2128-2133. [PMID: 28833163 DOI: 10.1111/1750-3841.13817] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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: 12/30/2016] [Revised: 05/19/2017] [Accepted: 06/23/2017] [Indexed: 11/29/2022]
Abstract
In order to preserve a commercial dealcoholized red wine (DRW), a study with 4 preservatives and binary mixtures of them were performed against 2 native spoilage yeasts: Rhodotorula mucilaginosa and Saccharomyces cerevisiae. Minimal inhibitory concentration (MIC) and minimal fungicidal concentration (MFC) for potassium sorbate, sodium benzoate, sodium metabisulfite and dimethyl dicarbonate (DMDC) were evaluated in DRW stored at 25 °C. MICs of potassium sorbate and sodium metabisulfite were 250 and 60 mg/kg, respectively for both target strains. However for sodium benzoate, differences between yeasts were found; R. mucilaginosa was inhibited at 125 mg/kg, while S. cerevisiae at 250 mg/kg. Regarding MFC, differences between strains were only found for sodium metabisulfite obtaining a MFC of 500 mg/kg for R. mucilaginosa and a MFC of 250 mg/kg for S. cerevisiae. Potassium sorbate and sodium benzoate showed the MFC at 1000 mg/kg and DMDC at 200 mg/kg. Regarding the effect of binary mixtures the Fractional Fungicidal Concentration Index (FFCi ) methodology showed that binary mixtures of 100 mg/kg DMDC/200 mg/kg potassium sorbate (FFCi = 0.7) and 50 mg/kg DMDC / 400 mg/kg sodium benzoate (FFCi = 0.65) have both synergistic effect against the 2 target strains. These binary mixtures can control the growth of spoilage yeasts in DRW without metabisulfite addition. The results of this work may be important in preserving the health of DRW consumers by eliminating the use of metabisulfite and reducing the risk of growth of R. mucilagosa, recently recognized as an emerging pathogen.
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Affiliation(s)
- Marta Sánchez-Rubio
- Grupo de Biotecnología de Alimentos (Food Biotechnology Group). Dept. de Tecnología de Alimentos, Nutrición y Bromatología, Facultad de Veterinaria, Univ. de Murcia, Campus de Espinardo, 30100, Murcia, Spain
| | - Kamal Guerrouj
- Inst. Supérieur des Professions Infirmières et des Techniques de Santé, Al Hoceima, Morocco
| | - Amaury Taboada-Rodríguez
- Desarrollos Bio-Tecno Alimentarios Ltd. (Debiotec) Virgen de las Maravillas 6, P01 B. 30009, Murcia, Spain
| | - Antonio López-Gómez
- Food Engineering and Agricultural Equipment Dept., Univ. Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203, Cartagena, Spain
| | - Fulgencio Marín-Iniesta
- Grupo de Biotecnología de Alimentos (Food Biotechnology Group). Dept. de Tecnología de Alimentos, Nutrición y Bromatología, Facultad de Veterinaria, Univ. de Murcia, Campus de Espinardo, 30100, Murcia, Spain
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Sánchez-Rubio M, Taboada-Rodríguez A, Cava-Roda R, López-Gómez A, Marín-Iniesta F. Combined use of thermo-ultrasound and cinnamon leaf essential oil to inactivate Saccharomyces cerevisiae in natural orange and pomegranate juices. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.06.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Brandwein M, Al-Quntar A, Goldberg H, Mosheyev G, Goffer M, Marin-Iniesta F, López-Gómez A, Steinberg D. Mitigation of Biofilm Formation on Corrugated Cardboard Fresh Produce Packaging Surfaces Using a Novel Thiazolidinedione Derivative Integrated in Acrylic Emulsion Polymers. Front Microbiol 2016; 7:159. [PMID: 26909074 PMCID: PMC4754437 DOI: 10.3389/fmicb.2016.00159] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [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: 12/16/2015] [Accepted: 01/29/2016] [Indexed: 11/29/2022] Open
Abstract
Various surfaces associated with the storage and packing of food are known to harbor distinct bacterial pathogens. Conspicuously absent among the plethora of studies implicating food packaging materials and machinery is the study of corrugated cardboard packaging, the worldwide medium for transporting fresh produce. In this study, we observed the microbial communities of three different store-bought fruits and vegetables, along with their analog cardboard packaging using high throughput sequencing technology. We further developed an anti-biofilm polymer meant to coat corrugated cardboard surfaces and mediate bacterial biofilm growth on said surfaces. Integration of a novel thiazolidinedione derivative into the acrylic emulsion polymers was assessed using Energy Dispersive X-ray Spectrometry (EDS) analysis and surface topography was visualized and quantified on corrugated cardboard surfaces. Biofilm growth was measured using q-PCR targeting the gene encoding 16s rRNA. Additionally, architectural structure of the biofilm was observed using SEM. The uniform integration of the thiazolidinedione derivative TZD-6 was confirmed, and it was determined via q-PCR to reduce biofilm growth by ~80% on tested surfaces. A novel and effective method for reducing microbial load and preventing contamination on food packaging is thereby proposed.
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Affiliation(s)
- Michael Brandwein
- Biofilm Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, The Hebrew University of JerusalemJerusalem, Israel
| | - Abed Al-Quntar
- Biofilm Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, The Hebrew University of JerusalemJerusalem, Israel
- Institute for Drug Science, School of Pharmacy, The Hebrew University of JerusalemJerusalem, Israel
| | | | | | | | - Fulgencio Marin-Iniesta
- Food Technology, Nutrition and Bromatology Department, Facultad de Veterinaria, Universidad de MurciaMurcia, Spain
| | - Antonio López-Gómez
- Department of Food Engineering and Agricultural Equipment, Technical University of CartagenaCartagena, Spain
| | - Doron Steinberg
- Biofilm Research Laboratory, Faculty of Dental Medicine, Institute of Dental Sciences, The Hebrew University of JerusalemJerusalem, Israel
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Salas-García T, López-Gómez A, Dorado-Fernández M, Ruiz-Martínez J. Daylight Photodynamic Therapy. Actas Dermo-Sifiliográficas (English Edition) 2015. [DOI: 10.1016/j.adengl.2015.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Salas-García T, López-Gómez A, Dorado-Fernández M, Ruiz-Martínez J. Daylight photodynamic therapy. Actas Dermosifiliogr 2015; 106:672-3. [PMID: 26138286 DOI: 10.1016/j.ad.2015.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 05/03/2015] [Accepted: 05/05/2015] [Indexed: 11/29/2022] Open
Affiliation(s)
- T Salas-García
- Servicio de Dermatología, Hospital General Universitario Reina Sofía, Murcia, España.
| | - A López-Gómez
- Servicio de Dermatología, Hospital General Universitario Reina Sofía, Murcia, España
| | - M Dorado-Fernández
- Servicio de Dermatología, Hospital General Universitario Reina Sofía, Murcia, España
| | - J Ruiz-Martínez
- Servicio de Dermatología, Hospital General Universitario Reina Sofía, Murcia, España
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23
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López-Gómez A, Salas-García T, Ramírez-Andreo A, Poblet-Martínez E. Plasmocitosis cutánea en un varón de raza blanca. Actas Dermo-Sifiliográficas 2015; 106:520-2. [DOI: 10.1016/j.ad.2014.12.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 12/03/2014] [Accepted: 12/04/2014] [Indexed: 10/24/2022] Open
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24
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Martínez-Hernández GB, Boluda-Aguilar M, Taboada-Rodríguez A, Soto-Jover S, Marín-Iniesta F, López-Gómez A. Processing, Packaging, and Storage of Tomato Products: Influence on the Lycopene Content. Food Eng Rev 2015. [DOI: 10.1007/s12393-015-9113-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Boluda-Aguilar M, Taboada-Rodríguez A, López-Gómez A, Marín-Iniesta F, Barbosa-Cánovas GV. Quick cooking rice by high hydrostatic pressure processing. Lebensm Wiss Technol 2013. [DOI: 10.1016/j.lwt.2012.09.021] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [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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26
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Taboada-Rodríguez A, Belisario-Sánchez YY, Cava-Roda R, Cano JA, López-Gómez A, Marín-Iniesta F. Optimisation of preservatives for dealcoholised red wine using a survival model for spoilage yeasts. Int J Food Sci Technol 2012. [DOI: 10.1111/ijfs.12017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Amaury Taboada-Rodríguez
- Grupo de Biotecnología de Alimentos; Departamento de Tecnología de Alimentos; Nutrición y Bromatología; Facultad de Veterinaria; Universidad de Murcia; Campus de Espinardo; Murcia; 30100; Spain
| | - Yulissa Y. Belisario-Sánchez
- Departamento de Ingeniería de Alimentos y del Equipamiento Agrícola; Universidad Politécnica de Cartagena; Paseo Alfonso XIII, 48; Cartagena; Murcia; 30203; Spain
| | - Rita Cava-Roda
- Grupo de Biotecnología de Alimentos; Departamento de Tecnología de Alimentos; Nutrición y Bromatología; Facultad de Veterinaria; Universidad de Murcia; Campus de Espinardo; Murcia; 30100; Spain
| | - Juan A. Cano
- Departamento de Estadística e Investigación Operativa; Facultad de Matemáticas; Universidad de Murcia; Murcia; 30100; Spain
| | - Antonio López-Gómez
- Departamento de Ingeniería de Alimentos y del Equipamiento Agrícola; Universidad Politécnica de Cartagena; Paseo Alfonso XIII, 48; Cartagena; Murcia; 30203; Spain
| | - Fulgencio Marín-Iniesta
- Grupo de Biotecnología de Alimentos; Departamento de Tecnología de Alimentos; Nutrición y Bromatología; Facultad de Veterinaria; Universidad de Murcia; Campus de Espinardo; Murcia; 30100; Spain
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27
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López-Gómez A, Cano V, Moranta D, Morey P, García del Portillo F, Bengoechea JA, Garmendia J. Host cell kinases, α5 and β1 integrins, and Rac1 signalling on the microtubule cytoskeleton are important for non-typable Haemophilus influenzae invasion of respiratory epithelial cells. Microbiology (Reading) 2012. [DOI: 10.1099/mic.0.x00006-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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28
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López-Gómez A, Cano V, Moranta D, Morey P, García Del Portillo F, Bengoechea JA, Garmendia J. Host cell kinases, α5 and β1 integrins, and Rac1 signalling on the microtubule cytoskeleton are important for non-typable Haemophilus influenzae invasion of respiratory epithelial cells. Microbiology (Reading) 2012; 158:2384-2398. [PMID: 22723286 DOI: 10.1099/mic.0.059972-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Non-typable Haemophilus influenzae (NTHi) is a common commensal of the human nasopharynx, but causes opportunistic infection when the respiratory tract is compromised by infection or disease. The ability of NTHi to invade epithelial cells has been described, but the underlying molecular mechanisms are poorly characterized. We previously determined that NTHi promotes phosphorylation of the serine-threonine kinase Akt in A549 human lung epithelial cells, and that Akt phosphorylation and NTHi cell invasion are prevented by inhibition of phosphoinositide 3-kinase (PI3K). Because PI3K-Akt signalling is associated with several host cell networks, the purpose of the current study was to identify eukaryotic molecules important for NTHi epithelial invasion. We found that inhibition of Akt activity reduced NTHi internalization; differently, bacterial entry was increased by phospholipase Cγ1 inhibition but was not affected by protein kinase inhibition. We also found that α5 and β1 integrins, and the tyrosine kinases focal adhesion kinase and Src, are important for NTHi A549 cell invasion. NTHi internalization was shown to be favoured by activation of Rac1 guanosine triphosphatase (GTPase), together with the guanine nucleotide exchange factor Vav2 and the effector Pak1. Also, Pak1 might be associated with inactivation of the microtubule destabilizing agent Op18/stathmin, to facilitate microtubule polymerization and NTHi entry. Conversely, inhibition of RhoA GTPase and its effector ROCK increased the number of internalized bacteria. Src and Rac1 were found to be important for NTHi-triggered Akt phosphorylation. An increase in host cyclic AMP reduced bacterial entry, which was linked to protein kinase A. These findings suggest that NTHi finely manipulates host signalling molecules to invade respiratory epithelial cells.
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Affiliation(s)
- Antonio López-Gómez
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Laboratory Microbial Pathogenesis, Fundación Investigación Sanitaria Illes Balears, Bunyola, Spain
| | - Victoria Cano
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Laboratory Microbial Pathogenesis, Fundación Investigación Sanitaria Illes Balears, Bunyola, Spain
| | - David Moranta
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Laboratory Microbial Pathogenesis, Fundación Investigación Sanitaria Illes Balears, Bunyola, Spain
| | - Pau Morey
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Laboratory Microbial Pathogenesis, Fundación Investigación Sanitaria Illes Balears, Bunyola, Spain
| | | | - José Antonio Bengoechea
- Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Laboratory Microbial Pathogenesis, Fundación Investigación Sanitaria Illes Balears, Bunyola, Spain
| | - Junkal Garmendia
- Instituto de Agrobiotecnología, CSIC-Universidad Pública de Navarra-Gobierno de Navarra, Mutilva, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Laboratory Microbial Pathogenesis, Fundación Investigación Sanitaria Illes Balears, Bunyola, Spain
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29
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Martí-Lliteras P, López-Gómez A, Mauro S, Hood DW, Viadas C, Calatayud L, Morey P, Servin A, Liñares J, Oliver A, Bengoechea JA, Garmendia J. Nontypable Haemophilus influenzae displays a prevalent surface structure molecular pattern in clinical isolates. PLoS One 2011; 6:e21133. [PMID: 21698169 PMCID: PMC3116884 DOI: 10.1371/journal.pone.0021133] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2011] [Accepted: 05/20/2011] [Indexed: 11/22/2022] Open
Abstract
Non-typable Haemophilus influenzae (NTHi) is a Gram negative pathogen that causes acute respiratory infections and is associated with the progression of chronic respiratory diseases. Previous studies have established the existence of a remarkable genetic variability among NTHi strains. In this study we show that, in spite of a high level of genetic heterogeneity, NTHi clinical isolates display a prevalent molecular feature, which could confer fitness during infectious processes. A total of 111 non-isogenic NTHi strains from an identical number of patients, isolated in two distinct geographical locations in the same period of time, were used to analyse nine genes encoding bacterial surface molecules, and revealed the existence of one highly prevalent molecular pattern (lgtF+, lic2A+, lic1D+, lic3A+, lic3B+, siaA−, lic2C+, ompP5+, oapA+) displayed by 94.6% of isolates. Such a genetic profile was associated with a higher bacterial resistance to serum mediated killing and enhanced adherence to human respiratory epithelial cells.
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Affiliation(s)
- Pau Martí-Lliteras
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
| | - Antonio López-Gómez
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
| | - Silvia Mauro
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
| | - Derek W. Hood
- Molecular Infectious Diseases Group, Department of Paediatrics, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Headington, Oxford, United Kingdom
| | - Cristina Viadas
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
| | - Laura Calatayud
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
- Servicio de Microbiología, Hospital Universitario Bellvitge, Barcelona, Spain
- Instituto de Investigación Biomédica de Bellvitge (IDIBELL), Barcelona, Spain
- Universidad de Barcelona, Barcelona, Spain
| | - Pau Morey
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
| | - Alain Servin
- INSERM, UMR 756, Signalisation and Physiopathology of Epithelial cells, Paris, France
| | - Josefina Liñares
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
- Servicio de Microbiología, Hospital Universitario Bellvitge, Barcelona, Spain
- Instituto de Investigación Biomédica de Bellvitge (IDIBELL), Barcelona, Spain
- Universidad de Barcelona, Barcelona, Spain
| | - Antonio Oliver
- Servicio de Microbiología, Hospital Universitario Son Espases, Palma Mallorca, Spain
| | - José Antonio Bengoechea
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
- Consejo Superior de Investigaciones Científicas-CSIC, Madrid, Spain
| | - Junkal Garmendia
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, Bunyola, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias-CIBERES, Vitoria, Spain
- Instituto de Agrobiotecnología, CSIC-Universidad Pública de Navarra-Gobierno de Navarra, Mutilva, Spain
- * E-mail:
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Morey P, Cano V, Martí-Lliteras P, López-Gómez A, Regueiro V, Saus C, Bengoechea JA, Garmendia J. Evidence for a non-replicative intracellular stage of nontypable Haemophilus influenzae in epithelial cells. Microbiology (Reading) 2010; 157:234-250. [PMID: 20929955 DOI: 10.1099/mic.0.040451-0] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Nontypable Haemophilus influenzae (NTHi) is a Gram-negative, non-capsulated human bacterial pathogen, a major cause of a repertoire of respiratory infections, and intimately associated with persistent lung bacterial colonization in patients suffering from chronic obstructive pulmonary disease (COPD). Despite its medical relevance, relatively little is known about its mechanisms of pathogenicity. In this study, we found that NTHi invades the airway epithelium by a distinct mechanism, requiring microtubule assembly, lipid rafts integrity, and activation of phosphatidylinositol 3-kinase (PI3K) signalling. We found that the majority of intracellular bacteria are located inside an acidic subcellular compartment, in a metabolically active and non-proliferative state. This NTHi-containing vacuole (NTHi-CV) is endowed with late endosome features, co-localizing with LysoTracker, lamp-1, lamp-2, CD63 and Rab7. The NTHi-CV does not acquire Golgi- or autophagy-related markers. These observations were extended to immortalized and primary human airway epithelial cells. By using NTHi clinical isolates expressing different amounts of phosphocholine (PCho), a major modification of NTHi lipooligosaccharide, on their surfaces, and an isogenic lic1BC mutant strain lacking PCho, we showed that PCho is not responsible for NTHi intracellular location. In sum, this study indicates that NTHi can survive inside airway epithelial cells.
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Affiliation(s)
- Pau Morey
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain
| | - Victoria Cano
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain
| | - Pau Martí-Lliteras
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain
| | - Antonio López-Gómez
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain
| | - Verónica Regueiro
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain
| | - Carles Saus
- Servicio de Anatomía Patológica, Hospital Universitario Son Dureta, Palma Mallorca, Spain
| | - José Antonio Bengoechea
- Área Microbiología, Facultad de Biología, Universitat Illes Balears, carretera Valldemossa, km 7.5, 07122, Palma Mallorca, Spain.,Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain.,Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain
| | - Junkal Garmendia
- Programa de Infección e Inmunidad, Fundación Caubet-CIMERA, recinto Hospital Joan March, carretera Sóller, km 12, 07110, Bunyola, Spain.,Instituto Agrobiotecnología (UPNA-CSIC), Campus Arrosadía s/n, 31192 Mutilva Baja, Navarra, Spain.,Área Microbiología, Facultad de Biología, Universitat Illes Balears, carretera Valldemossa, km 7.5, 07122, Palma Mallorca, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Bunyola, Spain
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Boluda-Aguilar M, García-Vidal L, González-Castañeda FDP, López-Gómez A. Mandarin peel wastes pretreatment with steam explosion for bioethanol production. Bioresour Technol 2010; 101:3506-3513. [PMID: 20093022 DOI: 10.1016/j.biortech.2009.12.063] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2009] [Revised: 12/15/2009] [Accepted: 12/16/2009] [Indexed: 05/28/2023]
Abstract
The mandarin (Citrus reticulata L.) citrus peel wastes (MCPW) were studied for bioethanol production, obtaining also as co-products: d-limonene, galacturonic acid, and citrus pulp pellets (CPP). The steam explosion pretreatment was analysed at pilot plant level to decrease the hydrolytic enzymes requirements and to separate and recover the d-limonene. The effect of steam explosion on MCPW lignocellulosic composition was analyzed by means thermogravimetric analysis. The d-limonene contents and their influence on ethanol production have been also studied, while concentration of sugars, galacturonic acid and ethanol have been analysed to measure the saccharification and fermentation (HF and SSF) processes efficiency obtained by MCPW steam explosion pretreatment. Ethanol contents of 50-60L/1000kg raw MCPW can be obtained and CPP yields can be regulated by means the control of enzymes dose and the steam explosion pretreatment which can significantly reduce the enzymes requirements.
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Affiliation(s)
- María Boluda-Aguilar
- Food Engineering and Agricultural Equipment Department, Technical University of Cartagena, Paseo Alfonso XIII, 48 E-30203 Cartagena, Spain
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Belisario-Sánchez YY, Taboada-Rodríguez A, Marín-Iniesta F, López-Gómez A. Dealcoholized wines by spinning cone column distillation: phenolic compounds and antioxidant activity measured by the 1,1-diphenyl-2-picrylhydrazyl method. J Agric Food Chem 2009; 57:6770-6778. [PMID: 19588980 DOI: 10.1021/jf900387g] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Spinning cone column (SCC) distillation has been shown to be a commercially suitable technique for dealcoholized wine (DW) manufacturing, but there are not enough studies about its influence on the DW quality. So, the effect of this technique on the antioxidant activity (% of remaining 1,1-diphenyl-2-picrylhydrazyl radical) and the phenolic compound composition of red, rose, and white DW, obtained at pilot plant scale, has been analyzed. Nineteen raw wines (RWs) from different grape varieties and five different Spanish viticultural regions have been studied before and after dealcoholization. The total phenolic content, flavonols, tartaric esters, and anthocyanins, was determined by spectrophotometry, while the content of phenolic compounds such as stilbenes (trans- and cis-resveratrol), flavonols (rutin, quercetin, and myricetin), flavan-3-ols [(+)-catechin and (-)-epicatechin], anthocyanins (malvidin 3-glucoside), and non-flavonoids (gallic, caffeic, and p-coumaric acids) was determined by high-performance liquid chromatography (HPLC). The resveratrol contents in red wines were between 1.81 and 34.01 mg/L in RWs and between 2.12 and 39.57 mg/L in DWs, Merlot being the grape producing the RWs and DWs with higher resveratrol content. In general, the percent of remaining DPPH(*) was similar or slightly higher (until 5 units of % of remaining DPPH(*)) in DWs versus RWs. This small difference may be due to removal of SO2 (that is an antioxidant) from RWs during distillation. DWs and RWs show similar contents of the studied phenolic compounds, with a tendency, in some cases, to exhibit increases after dealcoholization, caused by the concentration effect via removal of the ethanol. From this work, we can deduce that SCC distillation is a dealcoholization technique minimally destructive with the wine phenolic compounds.
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Affiliation(s)
- Yulissa Y Belisario-Sánchez
- Department of Food Engineering and Agricultural Equipment, Technical University of Cartagena, Paseo Alfonso XIII 48, 30203 Cartagena, Spain
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