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Verdú-Navarro F, Moreno-Cid JA, Weiss J, Egea-Cortines M. The advent of plant cells in bioreactors. FRONTIERS IN PLANT SCIENCE 2023; 14:1310405. [PMID: 38148861 PMCID: PMC10749943 DOI: 10.3389/fpls.2023.1310405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/01/2023] [Indexed: 12/28/2023]
Abstract
Ever since agriculture started, plants have been bred to obtain better yields, better fruits, or sustainable products under uncertain biotic and abiotic conditions. However, a new way to obtain products from plant cells emerged with the development of recombinant DNA technologies. This led to the possibility of producing exogenous molecules in plants. Furthermore, plant chemodiversity has been the main source of pharmacological molecules, opening a field of plant biotechnology directed to produce high quality plant metabolites. The need for different products by the pharma, cosmetics agriculture and food industry has pushed again to develop new procedures. These include cell production in bioreactors. While plant tissue and cell culture are an established technology, beginning over a hundred years ago, plant cell cultures have shown little impact in biotechnology projects, compared to bacterial, yeasts or animal cells. In this review we address the different types of bioreactors that are currently used for plant cell production and their usage for quality biomolecule production. We make an overview of Nicotiana tabacum, Nicotiana benthamiana, Oryza sativa, Daucus carota, Vitis vinifera and Physcomitrium patens as well-established models for plant cell culture, and some species used to obtain important metabolites, with an insight into the type of bioreactor and production protocols.
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Affiliation(s)
- Fuensanta Verdú-Navarro
- Bioprocessing R&D Department, Bionet, Parque Tecnológico Fuente Álamo, Fuente Álamo, Spain
- Genética Molecular, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Juan A. Moreno-Cid
- Bioprocessing R&D Department, Bionet, Parque Tecnológico Fuente Álamo, Fuente Álamo, Spain
| | - Julia Weiss
- Genética Molecular, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Marcos Egea-Cortines
- Genética Molecular, Instituto de Biotecnología Vegetal, Universidad Politécnica de Cartagena, Cartagena, Spain
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Zhan Y, Chen Z, Qiu Y, Deng Q, Huang W, Wen S, Shen J. DEXMEDETOMIDINE PREVENTS PDIA3 DECREASE BY ACTIVATING α2-ADRENERGIC RECEPTOR TO ALLEVIATE INTESTINAL I/R IN MICE. Shock 2022; 58:556-564. [PMID: 36374735 PMCID: PMC9803385 DOI: 10.1097/shk.0000000000002011] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/12/2022] [Accepted: 07/25/2022] [Indexed: 11/16/2022]
Abstract
ABSTRACT Background: Dexmedetomidine (DEX) attenuates intestinal I/R injury, but its mechanism of action remains to be further elucidated. Protein disulfide isomerase A3 (PDIA3) has been reported as a therapeutic protein for the prevention and treatment of intestinal I/R injury. This study was to investigate whether PDIA3 is involved in intestinal protection of DEX and explore the underlying mechanisms. Methods: The potential involvement of PDIA3 in DEX attenuation of intestinal I/R injury was tested in PDIA3 Flox/Flox mice and PDIA3 conditional knockout (cKO) in intestinal epithelium mice subjected to 45 min of superior mesenteric artery occlusion followed by 4 h of reperfusion. Furthermore, the α2-adrenergic receptor (α2-AR) antagonist, yohimbine, was administered in wild-type C57BL/6N mice intestinal I/R model to investigate the role of α2-AR in the intestinal protection conferred by DEX. Results: In the present study, we identified intestinal I/R-induced obvious inflammation, endoplasmic reticulum (ER) stress-dependent apoptosis, and oxidative stress, and all the aforementioned changes were improved by the administration of DEX. PDIA3 cKO in the intestinal epithelium have reversed the protective effects of DEX. Moreover, yohimbine also reversed the intestinal protection of DEX and downregulated the messenger RNA and protein levels of PDIA3. Conclusion: DEX prevents PDIA3 decrease by activating α2-AR to inhibit intestinal I/R-induced inflammation, ER stress-dependent apoptosis, and oxidative stress in mice.
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Shimosawa T. Targeting Inflammation is a Double-Edged Sword. Is PDIA1 A Key? J Atheroscler Thromb 2022; 29:1273-1274. [PMID: 35135931 PMCID: PMC9444801 DOI: 10.5551/jat.ed191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Tatsuo Shimosawa
- International University of Health and Welfare, School of Medicine, Department of Clinical Laboratory
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Chichiarelli S, Altieri F, Paglia G, Rubini E, Minacori M, Eufemi M. ERp57/PDIA3: new insight. Cell Mol Biol Lett 2022; 27:12. [PMID: 35109791 PMCID: PMC8809632 DOI: 10.1186/s11658-022-00315-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/18/2022] [Indexed: 12/15/2022] Open
Abstract
The ERp57/PDIA3 protein is a pleiotropic member of the PDIs family and, although predominantly located in the endoplasmic reticulum (ER), has indeed been found in other cellular compartments, such as the nucleus or the cell membrane. ERp57/PDIA3 is an important research target considering it can be found in various subcellular locations. This protein is involved in many different physiological and pathological processes, and our review describes new data on its functions and summarizes some ligands identified as PDIA3-specific inhibitors.
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Affiliation(s)
- Silvia Chichiarelli
- Department of Biochemical Sciences "A.Rossi-Fanelli", Sapienza University of Rome, P.le A.Moro 5, 00185, Rome, Italy.
| | - Fabio Altieri
- Department of Biochemical Sciences "A.Rossi-Fanelli", Sapienza University of Rome, P.le A.Moro 5, 00185, Rome, Italy
| | - Giuliano Paglia
- Department of Biochemical Sciences "A.Rossi-Fanelli", Sapienza University of Rome, P.le A.Moro 5, 00185, Rome, Italy
| | - Elisabetta Rubini
- Department of Biochemical Sciences "A.Rossi-Fanelli", Sapienza University of Rome, P.le A.Moro 5, 00185, Rome, Italy.,Enrico Ed Enrica Sovena" Foundation, Rome, Italy
| | - Marco Minacori
- Department of Biochemical Sciences "A.Rossi-Fanelli", Sapienza University of Rome, P.le A.Moro 5, 00185, Rome, Italy
| | - Margherita Eufemi
- Department of Biochemical Sciences "A.Rossi-Fanelli", Sapienza University of Rome, P.le A.Moro 5, 00185, Rome, Italy
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Bhat IUH, Bhat R. Quercetin: A Bioactive Compound Imparting Cardiovascular and Neuroprotective Benefits: Scope for Exploring Fresh Produce, Their Wastes, and By-Products. BIOLOGY 2021; 10:586. [PMID: 34206761 PMCID: PMC8301140 DOI: 10.3390/biology10070586] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 12/16/2022]
Abstract
Quercetin, a bioactive secondary metabolite, holds incredible importance in terms of bioactivities, which has been proved by in vivo and in vitro studies. The treatment of cardiovascular and neurological diseases by quercetin has been extensively investigated over the past decade. Quercetin is present naturally in appreciable amounts in fresh produce (fruits and vegetables). However, today, corresponding to the growing population and global demand for fresh fruits and vegetables, a paradigm shift and focus is laid towards exploring industrial food wastes and/or byproducts as a new resource to obtain bioactive compounds such as quercetin. Based on the available research reports over the last decade, quercetin has been suggested as a reliable therapeutic candidate for either treating or alleviating health issues, mainly those of cardiovascular and neurological diseases. In the present review, we have summarized some of the critical findings and hypotheses of quercetin from the available databases foreseeing its future use as a potential therapeutic agent to treat cardiovascular and neurological diseases. It is anticipated that this review will be a potential reference material for future research activities to be undertaken on quercetin obtained from fresh produce as well as their respective processing wastes/byproducts that rely on the circular concept.
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Affiliation(s)
- Irshad Ul Haq Bhat
- ERA-Chair for Food (By-) Products Valorisation Technologies (VALORTECH), Estonian University of Life Sciences, 51006 Tartu, Estonia;
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Leung HM, Kwok FSL, Mo WY, Cheung KC, Yue YK, Wong YK, Au CK, Tsui MTK, Yung KKL. Feasibility of Sijunzi Tang (Chinese medicine) to enhance protein disulfide isomerase activities for reactivating malate dehydrogenase deactivated by polycyclic aromatic hydrocarbons. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:25116-25123. [PMID: 30341759 DOI: 10.1007/s11356-018-3230-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 09/13/2018] [Indexed: 06/08/2023]
Abstract
The objective of this research is to investigate the enzymatic activities between protein disulfide isomerase (PDI) found in animals and plants and the properties found in a commonly used Chinese medicine called Sijunzi Tang. During the investigation, PDI, which is a monomer with a molecular mass of 57.0 kDa, was used to reactivate malate dehydrogenase (MDH). However, with the interference of polycyclic aromatic hydrocarbons (PAHs), evidence indicates that such chemicals are carcinogenic, mutagenic, and toxic to humans. The enzymatic activity of PDI found in animal's liver and plant was 1657 folds of purification; 0.284 unit/mg of enzyme activity, and 5694.4 folds of purification; 1.00 unit/mg of enzyme activity, respectively. PDI extracted in treated animal and plant tissue revealed 2.40% and 80.44% of regaining MDH enzymatic activity, respectively. Although in its initial phase of investigation, it is assumed that the properties found in Sijunzi Tang can help regain enzymatic activity in those affected by xenobiotic substances, thus, making it a potential ingredient in assisting with PDI functions.
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Affiliation(s)
- Ho Man Leung
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
- Department of History, Hong Kong Shue Yan University, North Point, Hong Kong, China.
- Upper Iowa University, 605 Washington St, Fayette, IA, 52142, USA.
| | - Francis Siu Lai Kwok
- Department of Applied Sciences, Institute of Vocational Education, Hong Kong, China
| | - Wing Yin Mo
- Department of Science and Environmental Studies, The Hong Kong Education University, Tai Po, Hong Kong, China
| | - Kwai Chung Cheung
- Department of Applied Sciences, Institute of Vocational Education, Hong Kong, China
| | - Yik Kit Yue
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Yee Keung Wong
- School of Science and Technology, The Open University of Hong Kong, Ho Man Tin, Hong Kong
| | - Chi Kin Au
- Department of History, Hong Kong Shue Yan University, North Point, Hong Kong, China
| | - Martin Tsz Ki Tsui
- Department of Biology, University of North Carolina at Greensboro, Greensboro, NC, 27402, USA
| | - Ken Kin Lam Yung
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
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Muñoz-Bernal ÓA, Coria-Oliveros AJ, de la Rosa LA, Rodrigo-García J, Del Rocío Martínez-Ruiz N, Sayago-Ayerdi SG, Alvarez-Parrilla E. Cardioprotective effect of red wine and grape pomace. Food Res Int 2020; 140:110069. [PMID: 33648292 DOI: 10.1016/j.foodres.2020.110069] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 12/03/2020] [Accepted: 12/20/2020] [Indexed: 02/02/2023]
Abstract
Several studies have related moderate consumption of red wine with prevention of cardiovascular diseases (CVD). According to epidemiological studies, those regions with high consumption of red wine and a Mediterranean diet show a low prevalence of CVD. Such an effect has been attributed to phenolic compounds present in red wines. On the other hand, by-products obtained during winemaking are also a significant source of phenolic compounds but have been otherwise overlooked. The cardioprotective effect of red wine and its byproducts is related to their ability to prevent platelet aggregation, modify the lipid profile, and promote vasorelaxation. Phenolic content and profile seem to play an important role in these beneficial effects. Inhibition of platelet aggregation is dose-dependent and more efficient against ADP. The antioxidant capacity of phenolic compounds from red wine and its by-products, is involved in preventing the generation of ROS and the modification of the lipid profile, to prevent LDL oxidation. Phenolic compounds can also, modulate the activity of specific enzymes to promote NO production and vasorelaxation. Specific phenolic compounds like resveratrol are related to promote NO, and quercetin to inhibit platelet aggregation. Nevertheless, concentration that causes those effects is far from that in red wines. Synergic and additive effects of a mix of phenolic compounds could explain the cardioprotective effects of red wine and its byproducts.
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Affiliation(s)
- Óscar A Muñoz-Bernal
- Department of Chemical Biological Sciences, Institute of Biomedical Sciences, Universidad Autónoma de Ciudad Juárez, C.P. 32310, Ciudad Juárez, Chihuahua, Mexico
| | - Alma J Coria-Oliveros
- Department of Chemical Biological Sciences, Institute of Biomedical Sciences, Universidad Autónoma de Ciudad Juárez, C.P. 32310, Ciudad Juárez, Chihuahua, Mexico
| | - Laura A de la Rosa
- Department of Chemical Biological Sciences, Institute of Biomedical Sciences, Universidad Autónoma de Ciudad Juárez, C.P. 32310, Ciudad Juárez, Chihuahua, Mexico
| | - Joaquín Rodrigo-García
- Department of Health Sciences, Institute of Biomedical Sciences, Universidad Autónoma de Ciudad Juárez, C.P. 32310, Ciudad Juárez, Chihuahua, Mexico
| | - Nina Del Rocío Martínez-Ruiz
- Department of Chemical Biological Sciences, Institute of Biomedical Sciences, Universidad Autónoma de Ciudad Juárez, C.P. 32310, Ciudad Juárez, Chihuahua, Mexico
| | - Sonia G Sayago-Ayerdi
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Av. Tecnológico No 2595, Col. Lagos del Country, CP 63175, Tepic, Nayarit, Mexico
| | - Emilio Alvarez-Parrilla
- Department of Chemical Biological Sciences, Institute of Biomedical Sciences, Universidad Autónoma de Ciudad Juárez, C.P. 32310, Ciudad Juárez, Chihuahua, Mexico.
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8
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Krajewski D, Polukort SH, Gelzinis J, Rovatti J, Kaczenski E, Galinski C, Pantos M, Shah NN, Schneider SS, Kennedy DR, Mathias CB. Protein Disulfide Isomerases Regulate IgE-Mediated Mast Cell Responses and Their Inhibition Confers Protective Effects During Food Allergy. Front Immunol 2020; 11:606837. [PMID: 33414789 PMCID: PMC7783394 DOI: 10.3389/fimmu.2020.606837] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/17/2020] [Indexed: 12/15/2022] Open
Abstract
The thiol isomerase, protein disulfide isomerase (PDI), plays important intracellular roles during protein folding, maintaining cellular function and viability. Recent studies suggest novel roles for extracellular cell surface PDI in enhancing cellular activation and promoting their function. Moreover, a number of food-derived substances have been shown to regulate cellular PDI activity and alter disease progression. We hypothesized that PDI may have similar roles during mast cell-mediated allergic responses and examined its effects on IgE-induced mast cell activity during cell culture and food allergy. Mast cells were activated via IgE and antigen and the effects of PDI inhibition on mast cell activation were assessed. The effects of PDI blockade in vivo were examined by treating mice with the irreversible PDI inhibitor, PACMA-31, in an ovalbumin-induced model of food allergy. The role of dietary PDI modulators was investigated using various dietary compounds including curcumin and quercetin-3-rutinoside (rutin). PDI expression was observed on resting mast cell surfaces, intracellularly, and in the intestines of allergic mice. Furthermore, enhanced secretion of extracellular PDI was observed on mast cell membranes during IgE and antigen activation. Insulin turbidimetric assays demonstrated that curcumin is a potent PDI inhibitor and pre-treatment of mast cells with curcumin or established PDI inhibitors such as bacitracin, rutin or PACMA-31, resulted in the suppression of IgE-mediated activation and the secretion of various cytokines. This was accompanied by decreased mast cell proliferation, FcεRI expression, and mast cell degranulation. Similarly, treatment of allergic BALB/c mice with PACMA-31 attenuated the development of food allergy resulting in decreased allergic diarrhea, mast cell activation, and fewer intestinal mast cells. The production of TH2-specific cytokines was also suppressed. Our observations suggest that PDI catalytic activity is essential in the regulation of mast cell activation, and that its blockade may benefit patients with allergic inflammation.
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Affiliation(s)
- Dylan Krajewski
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Stephanie H. Polukort
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Justine Gelzinis
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Jeffrey Rovatti
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Edwin Kaczenski
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Christine Galinski
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Megan Pantos
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Nickul N. Shah
- Pioneer Valley Life Sciences Institute, Baystate Medical Center, Springfield, MA, United States
- Department of Veterinary and Animal Sciences, University of Massachusetts at Amherst, Amherst, MA, United States
| | - Sallie S. Schneider
- Pioneer Valley Life Sciences Institute, Baystate Medical Center, Springfield, MA, United States
- Department of Veterinary and Animal Sciences, University of Massachusetts at Amherst, Amherst, MA, United States
| | - Daniel R. Kennedy
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
| | - Clinton B. Mathias
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Western New England University, Springfield, MA, United States
- Department of Veterinary and Animal Sciences, University of Massachusetts at Amherst, Amherst, MA, United States
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Šikuten I, Štambuk P, Andabaka Ž, Tomaz I, Marković Z, Stupić D, Maletić E, Kontić JK, Preiner D. Grapevine as a Rich Source of Polyphenolic Compounds. Molecules 2020; 25:E5604. [PMID: 33260583 PMCID: PMC7731206 DOI: 10.3390/molecules25235604] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 12/26/2022] Open
Abstract
Grapes are rich in primary and secondary metabolites. Among the secondary metabolites, polyphenolic compounds are the most abundant in grape berries. Besides their important impacts on grape and wine quality, this class of compounds has beneficial effects on human health. Due to their antioxidant activity, polyphenols and phenolic acids can act as anti-inflammatory and anticancerogenic agents, and can modulate the immune system. In grape berries, polyphenols and phenolic acids can be located in the pericarp and seeds, but distribution differs considerably among these tissues. Although some classes of polyphenols and phenolic acids are under strict genetic control, the final content is highly influenced by environmental factors, such as climate, soil, vineyard, and management. This review aims to present the main classes of polyphenolic compounds and phenolic acids in different berry tissues and grape varieties and special emphasis on their beneficial effect on human health.
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Affiliation(s)
- Iva Šikuten
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Petra Štambuk
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Željko Andabaka
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
| | - Ivana Tomaz
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Zvjezdana Marković
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Domagoj Stupić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
| | - Edi Maletić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Jasminka Karoglan Kontić
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
| | - Darko Preiner
- Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia; (I.Š.); (P.Š.); (Ž.A.); (Z.M.); (D.S.); (E.M.); (J.K.K.); (D.P.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Faculty of Agriculture, University of Zagreb, 10000 Zagreb, Croatia
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Guyette J, Cherubin P, Serrano A, Taylor M, Abedin F, O'Donnell M, Burress H, Tatulian SA, Teter K. Quercetin-3-Rutinoside Blocks the Disassembly of Cholera Toxin by Protein Disulfide Isomerase. Toxins (Basel) 2019; 11:E458. [PMID: 31382673 PMCID: PMC6722528 DOI: 10.3390/toxins11080458] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 07/24/2019] [Accepted: 08/02/2019] [Indexed: 12/11/2022] Open
Abstract
Protein disulfide isomerase (PDI) is mainly located in the endoplasmic reticulum (ER) but is also secreted into the bloodstream where its oxidoreductase activity is involved with thrombus formation. Quercetin-3-rutinoside (Q3R) blocks this activity, but its inhibitory mechanism against PDI is not fully understood. Here, we examined the potential inhibitory effect of Q3R on another process that requires PDI: disassembly of the multimeric cholera toxin (CT). In the ER, PDI physically displaces the reduced CTA1 subunit from its non-covalent assembly in the CT holotoxin. This is followed by CTA1 dislocation from the ER to the cytosol where the toxin interacts with its G protein target for a cytopathic effect. Q3R blocked the conformational change in PDI that accompanies its binding to CTA1, which, in turn, prevented PDI from displacing CTA1 from its holotoxin and generated a toxin-resistant phenotype. Other steps of the CT intoxication process were not affected by Q3R, including PDI binding to CTA1 and CT reduction by PDI. Additional experiments with the B chain of ricin toxin found that Q3R could also disrupt PDI function through the loss of substrate binding. Q3R can thus inhibit PDI function through distinct mechanisms in a substrate-dependent manner.
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Affiliation(s)
- Jessica Guyette
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Patrick Cherubin
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Albert Serrano
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Michael Taylor
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Faisal Abedin
- Department of Physics, College of Sciences, University of Central Florida, Orlando, FL 32816, USA
| | - Morgan O'Donnell
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Helen Burress
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA
| | - Suren A Tatulian
- Department of Physics, College of Sciences, University of Central Florida, Orlando, FL 32816, USA
| | - Ken Teter
- Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, FL 32816, USA.
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11
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Soural I, Wendelin S, Balík J. Distribution of selected substances in blue varieties of table grapes. ACTA ALIMENTARIA 2019. [DOI: 10.1556/066.2019.48.2.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- I. Soural
- Department of Post-Harvest Technology of Horticultural Products, Faculty of Horticulture, Mendel University in Brno, Valtická 337, 691 44 Lednice. Czech Republic
| | - S. Wendelin
- Höhere Bundeslehranstalt und Bundesamt für Wein- und Obstbau, Federal College and Research Institute for Viticulture and Pomology, Wiener Straße 7, A-3400 Klosterneuburg. Austria
| | - J. Balík
- Department of Post-Harvest Technology of Horticultural Products, Faculty of Horticulture, Mendel University in Brno, Valtická 337, 691 44 Lednice. Czech Republic
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Oliveira-Paula GH, Tanus-Santos JE. Nitrite-stimulated Gastric Formation of S-nitrosothiols As An Antihypertensive Therapeutic Strategy. Curr Drug Targets 2019; 20:431-443. [DOI: 10.2174/1389450119666180816120816] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/24/2018] [Accepted: 08/07/2018] [Indexed: 12/14/2022]
Abstract
Hypertension is usually associated with deficient nitric oxide (NO) bioavailability, and therefore stimulating NO activity is an important antihypertensive strategy. Recently, many studies have shown that both nitrite and nitrate anions are not simple products of NO metabolism and indeed may be reduced back to NO. While enzymes with nitrite-reductase activity capable of generating NO from nitrite may contribute to antihypertensive effects of nitrite, another mechanism involving the generation of NO-related species in the stomach from nitrite has been validated. Under the acidic conditions of the stomach, nitrite generates NO-related species that form S-nitrosothiols. Conversely, drugs that increase gastric pH may impair the gastric formation of S-nitrosothiols, which may mediate antihypertensive effects of oral nitrite or nitrate. Therefore, it is now becoming clear that promoting gastric formation of S-nitrosothiols may result in effective antihypertensive responses, and this mechanism opens a window of opportunity in the therapy of hypertension. In this review, we discuss the recent studies supporting the gastric generation of S-nitrosothiols as a potential antihypertensive mechanism of oral nitrite. We also highlight some drugs that increase S-nitrosothiols bioavailability, which may also improve the responses to nitrite/nitrate therapy. This new approach may result in increased nitrosation of critical pharmacological receptors and enzymes involved in the pathogenesis of hypertension, which tend to respond less to their activators resulting in lower blood pressure.
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Affiliation(s)
- Gustavo H. Oliveira-Paula
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Jose E. Tanus-Santos
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
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Abstract
Endoplasmic reticulum protein 5 (ERp5) is a member of the thiol isomerase family of enzymes, whose prototype member is protein disulphide isomerase (PDI). Thiol isomerases catalyze reduction/oxidation (redox) reactions which lead to the cleavage, formation, or isomerization of disulphide bonds in protein substrates. Thiol isomerase reactions on protein disulphides are important for the correct folding of proteins in the endoplasmic reticulum and for the regulation of various protein functions in the extracellular space. Apart from the disulphide reactions, thiol isomerases assist protein folding by chaperone activity.The disulphide redox activity of ERp5 can be measured with functional assays involving artificial or natural substrates containing disulphide bonds. Herein we describe step-by-step assays of ERp5 reductase, isomerization, and de-nitrosylation activity. Disulphide reductase assays include insulin or di-eosin-GSSG as substrates whereas the isomerization assay includes RNase as substrate. The reduction of natural substrates, i.e., integrin αIIbβ3, can be detected using maleimide labels of free thiols and Western blotting. The biotin switch assay is used to measure the de-nitrosylation of S-nitrosylated substrates. These assays can measure the activity of purified ERp5 protein but can also be applied for the measurement of thiol isomerase activity in cellular samples.
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Affiliation(s)
- Alexander Dupuy
- Haematology Research Group, Heart Research Institute, Newtown, NSW, Australia
- Cardiovascular Division, Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - Freda Passam
- Haematology Research Group, Heart Research Institute, Newtown, NSW, Australia.
- Cardiovascular Division, Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia.
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Bai S, Cui C, Liu J, Li P, Li Q, Bi K. Quantification of polyphenol composition and multiple statistical analyses of biological activity in Portuguese red wines. Eur Food Res Technol 2018. [DOI: 10.1007/s00217-018-3112-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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French and Mediterranean-style diets: Contradictions, misconceptions and scientific facts-A review. Food Res Int 2018; 116:840-858. [PMID: 30717015 DOI: 10.1016/j.foodres.2018.09.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 08/29/2018] [Accepted: 09/08/2018] [Indexed: 12/15/2022]
Abstract
The determination of appropriate dietary strategies for the prevention of chronic degenerative diseases, cancer, diabetes, and cardiovascular diseases remains a challenging and highly relevant issue worldwide. Epidemiological dietary interventions have been studied for decades with contrasting impacts on human health. Moreover, research scientists and physicians have long debated diets encouraging alcohol intake, such as the Mediterranean and French-style diets, with regard to their impact on human health. Understanding the effects of these diets may help to improve in the treatment and prevention of diseases. However, further studies are warranted to determine which individual food components, or combinations thereof, have a beneficial impact on different diseases, since a large number of different compounds may occur in a single food, and their fate in vivo is difficult to measure. Most explanations for the positive effects of Mediterranean-style diet, and of the French paradox, have focused largely on the beneficial properties of antioxidants, among other compounds/metabolites, in foods and red wine. Wine is a traditional alcoholic beverage that has been associated with both healthy and harmful effects. Not withstanding some doubts, there is reasonable unanimity among researchers as to the beneficial effects of moderate wine consumption on cardiovascular disease, diabetes, osteoporosis, and longevity, which have been ascribed to polyphenolic compounds present in wine. Despite this, conflicting findings regarding the impact of alcohol consumption on human health, and contradictory findings concerning the effects of non-alcoholic wine components such as resveratrol, have led to confusion among consumers. In addition to these contradictions and misconceptions, there is a paucity of human research studies confirming known positive effects of polyphenols in vivo. Furthermore, studies balancing both known and unknown prognostic factors have mostly been conducted in vitro or using animal models. Moreover, current studies have shifted focus from red wine to dairy products, such as cheese, to explain the French paradox. The aim of this review is to highlight the contradictions, misconceptions, and scientific facts about wines and diets, giving special focus to the Mediterranean and French diets in disease prevention and human health improvement. To answer the multiplicity of questions regarding the effects of diet and specific diet components on health, and to relieve consumer uncertainty and promote health, comprehensive cross-demographic studies using the latest technologies, which include foodomics and integrated omics approaches, are warranted.
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