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Bartosz G, Pieńkowska N, Sadowska-Bartosz I. Effect of Selected Antioxidants on the In Vitro Aging of Human Fibroblasts. Int J Mol Sci 2024; 25:1529. [PMID: 38338809 PMCID: PMC10855218 DOI: 10.3390/ijms25031529] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 01/17/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
The modification of the replicative lifespan (RLS) of fibroblasts is of interest both from a knowledge point of view and for the attenuation of skin aging. The effect of six antioxidants at a concentration of 1 μM on the replicative lifespan of human dermal fibroblasts was studied. The nitroxide 4-hydroxy-TEMPO (TEMPOL), ergothioneine, and Trolox extended the replicative lifespan (RLS) (40 ± 1 population doublings (PD)) by 7 ± 2, 4 ± 1, and 3 ± 1 PD and lowered the expression of p21 at late passages. Coumaric acid, curcumin and resveratrol did not affect the RLS . The level of reactive oxygen species (ROS) was decreased or not affected by the antioxidants although TEMPOL and coumaric acid decreased the level of glutathione. Only ergothioneine and resveratrol decreased the level of protein carbonylation. The antioxidants that could prolong the RLS elevated the mitochondrial membrane potential. Protecting the activity of mitochondria seems to be important for maintaining the replicative capacity of fibroblasts.
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Affiliation(s)
| | | | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Zelwerowicza Street 4, 35-601 Rzeszow, Poland; (G.B.); (N.P.)
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Sadowska-Bartosz I, Bartosz G. The Cellular and Organismal Effects of Nitroxides and Nitroxide-Containing Nanoparticles. Int J Mol Sci 2024; 25:1446. [PMID: 38338725 PMCID: PMC10855878 DOI: 10.3390/ijms25031446] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/21/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Nitroxides are stable free radicals that have antioxidant properties. They react with many types of radicals, including alkyl and peroxyl radicals. They act as mimics of superoxide dismutase and stimulate the catalase activity of hemoproteins. In some situations, they may exhibit pro-oxidant activity, mainly due to the formation of oxoammonium cations as products of their oxidation. In this review, the cellular effects of nitroxides and their effects in animal experiments and clinical trials are discussed, including the beneficial effects in various pathological situations involving oxidative stress, protective effects against UV and ionizing radiation, and prolongation of the life span of cancer-prone mice. Nitroxides were used as active components of various types of nanoparticles. The application of these nanoparticles in cellular and animal experiments is also discussed.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland;
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Bartosz G, Pieńkowska N, Kut K, Cieniek B, Stefaniuk I, Sadowska-Bartosz I. Effect of Low Concentration of Nitroxides on SH-SY5Y Cells Transfected with the Tau Protein. Int J Mol Sci 2023; 24:16675. [PMID: 38069000 PMCID: PMC10706669 DOI: 10.3390/ijms242316675] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/17/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
Nitroxides, stable synthetic free radicals, are promising antioxidants, showing many beneficial effects both at the cellular level and in animal studies. However, the cells are usually treated with high millimolar concentrations of nitroxides which are not relevant to the concentrations that could be attained in vivo. This paper aimed to examine the effects of low (≤10 μM) concentrations of three nitroxides, 2,2,6,6-tetramethylpiperidin-1-oxyl (TEMPO), 4-hydroxy-TEMPO (TEMPOL) and 4-amino-TEMPO (TEMPAMINE), in pure chemical systems and on SH-SY5Y cells transfected with the human tau protein (TAU cells), a model of chronic cellular oxidative stress, and transfected with the empty plasmid (EP cells). All nitroxides were active in antioxidant-activity tests except for the 2,2'-azinobis-(3-ethylbenzthiazolin-6-sulfonate) radical (ABTS•) decolorization assay and reduced Fe3+, inhibited autoxidation of adrenalin and pyrogallol and oxidation of dihydrorhodamine123 by 3-morpholino-sydnonimine SIN-1. TEMPO protected against fluorescein bleaching from hypochlorite, but TEMPAMINE enhanced the bleaching. Nitroxides showed no cytotoxicity and were reduced by the cells to non-paramagnetic derivatives. They decreased the level of reactive oxygen species, depleted glutathione, and increased mitochondrial-membrane potential in both types of cells, and increased lipid peroxidation in TAU cells. These results demonstrate that even at low micromolar concentrations nitroxides can affect the cellular redox equilibrium and other biochemical parameters.
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Affiliation(s)
- Grzegorz Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (G.B.); (N.P.); (K.K.)
| | - Natalia Pieńkowska
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (G.B.); (N.P.); (K.K.)
| | - Kacper Kut
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (G.B.); (N.P.); (K.K.)
| | - Bogumił Cieniek
- Institute of Materials Engineering, College of Natural Sciences, University of Rzeszów, 35-310 Rzeszów, Poland; (B.C.); (I.S.)
| | - Ireneusz Stefaniuk
- Institute of Materials Engineering, College of Natural Sciences, University of Rzeszów, 35-310 Rzeszów, Poland; (B.C.); (I.S.)
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (G.B.); (N.P.); (K.K.)
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Furdak P, Pieńkowska N, Kapusta I, Bartosz G, Sadowska-Bartosz I. Comparison of Antioxidant and Antiproliferative Effects of Various Forms of Garlic and Ramsons. Molecules 2023; 28:6512. [PMID: 37764288 PMCID: PMC10538172 DOI: 10.3390/molecules28186512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/30/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Garlic is known to be rich in antioxidants, inhibit the proliferation of various cancer cells, and hamper cancer formation and growth, but various forms of garlic can differ greatly in these respects. This study aimed to compare the antioxidant properties of acetone, ethanol, and aqueous extracts of fresh Polish and Spanish garlic, black and granulated garlic, as well as fresh and dried ramsons. Extracts of black and granulated garlic showed the lowest total antioxidant capacity (TAC). The content of phenolic compounds correlated with TAC measured by ABTS• decolorization and FRAP methods, and with the results of FRAP and DPPH• decolorization assays. Garlic extracts inhibited the proliferation of PEO1 and SKOV3 ovarian cancer cells and, usually to a smaller extent, MRC-5 fibroblasts. PBS extracts of fresh Spanish garlic showed the highest potency for inhibition of proliferation of PEO1 cells (IC50 of 0.71 µg extract dry mass/100 µL medium). No significant correlation was found between the potency for inhibition of proliferation and the content of phenolics or flavonoids, confirming that phenolics are the main determinants of TAC but do not contribute significantly to the antiproliferative effects of garlic.
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Affiliation(s)
- Paulina Furdak
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (P.F.); (N.P.)
- Doctoral School, University of Rzeszow, 16C Rejtana Street, 35-959 Rzeszów, Poland
| | - Natalia Pieńkowska
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (P.F.); (N.P.)
| | - Ireneusz Kapusta
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland;
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland;
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland; (P.F.); (N.P.)
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Sadowska-Bartosz I, Bartosz G. Antioxidant defense of Deinococcus radiodurans: how does it contribute to extreme radiation resistance? Int J Radiat Biol 2023; 99:1803-1829. [PMID: 37498212 DOI: 10.1080/09553002.2023.2241895] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/28/2023] [Accepted: 07/08/2023] [Indexed: 07/28/2023]
Abstract
PURPOSE Deinococcus radiodurans is an extremely radioresistant bacterium characterized by D10 of 10 kGy, and able to grow luxuriantly under chronic ionizing radiation of 60 Gy/h. The aim of this article is to review the antioxidant system of D. radiodurans and its possible role in the unusual resistance of this bacterium to ionizing radiation. CONCLUSIONS The unusual radiation resistance of D. radiodurans has apparently evolved as a side effect of the adaptation of this extremophile to other damaging environmental factors, especially desiccation. The antioxidant proteins and low-molecular antioxidants (especially low-molecular weight Mn2+ complexes and carotenoids, in particular, deinoxanthin), as well as protein and non-protein regulators, are important for the antioxidant defense of this species. Antioxidant protection of proteins from radiation inactivation enables the repair of DNA damage caused by ionizing radiation.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszow, Poland
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Pieńkowska N, Bartosz G, Sadowska-Bartosz I. Effect of 6-hydroxydopamine increase the glutathione level in SH-SY5Y human neuroblastoma cells. Acta Biochim Pol 2023:6847. [PMID: 37262416 DOI: 10.18388/abp.2020_6847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 05/27/2023] [Indexed: 06/03/2023]
Abstract
Treatment of human neuroblastoma SH-SY5Y cells with a catecholaminergic neurotoxin, 6-hydroxydopamine (6-OHDA) is an acknowledged in vitro experimental model of Parkinson disease (PD). A decrease in the glutathione content occurs in PD. Higher concentrations of 6-OHDA lowered the glutathione level in SH-SY5Y cells, nonetheless, we and other authors found a considerable increase in these cells' glutathione content after 24 h treatment with 60 μM 6-OHDA. A synthetic antioxidant, 4-aminotetramethylpiperidine-1-oxyl (4-AT) exerted a similar effect. The aim of the present study was to explain this surprising effect by monitoring the time course of changes in the levels of reduced (GSH) and oxidized glutathione (GSSG), total antioxidant activity (TAC) of human neuroblastoma cell SH-SY5Y extracts as well as the level of reactive oxygen species and activities of enzymes of glutathione metabolism after treatment of the cells with 60 µM 6-OHDA and/or 4-AT for 30 min - 24 h. A transient decrease in the level of GSH and TAC of cell extracts, increase in the level of GSSG, and decrease in the activities of glutathione peroxidase, glutathione reductase, glutathione S-transferase and γ-glutamyl-cysteine ligase activities were found followed by normalization or overshoot of the GSH level, TAC and enzyme activities. Increased activity of γ-glutamyl-cysteine ligase activity starting after 4-6 h was responsible for the elevation of the level of GSH and TAC in cells treated with 6-OHDA, 4-AT, and both compounds. The 6-OHDA-induced increase in the GSH content is a result of an overcompensatory response. The antioxidant 4-AT may be useful for the induction of an increase in the level of GSH in neural cells, without the negative effect of 6-OHDA.
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Affiliation(s)
- Natalia Pieńkowska
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszów, Poland
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, Rzeszów, Poland
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Kut K, Stefaniuk I, Bartosz G, Sadowska-Bartosz I. Formation of a Purple Product upon the Reaction of ABTS Radicals with Proteins. Int J Mol Sci 2023; 24:ijms24108912. [PMID: 37240256 DOI: 10.3390/ijms24108912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/13/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
The reaction of the 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate) free radical (ABTS●) with proteins (bovine serum albumin, blood plasma, egg white, erythrocyte membranes, and Bacto Peptone) leads not only to a reduction of ABTS● but also to the appearance of a purple color (absorption maximum at 550-560 nm). The aim of this study was to characterize the formation and explain the nature of the product responsible for the appearance of this color. The purple color co-precipitated with protein, and was diminished by reducing agents. A similar color was generated by tyrosine upon reaction with ABTS●. The most feasible explanation for the color formation is the addiction of ABTS● to proteins' tyrosine residues. The product formation was decreased by nitration of the bovine serum albumin (BSA) tyrosine residues. The formation of the purple product of tyrosine was optimal at pH 6.5. A decrease in pH induced a bathochromic shift of the spectra of the product. The product was not a free radical, as demonstrated by electrom paramagnetic resonance (EPR) spectroscopy. Another byproduct of the reaction of ABTS● with tyrosine and proteins was dityrosine. These byproducts can contribute to the non-stoichiometry of the antioxidant assays with ABTS●. The formation of the purple ABTS adduct may be a useful index of radical addition reactions of protein tyrosine residues.
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Affiliation(s)
- Kacper Kut
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
| | - Ireneusz Stefaniuk
- Institute of Materials Engineering, College of Natural Sciences, University of Rzeszow, 1 Pigonia Street, 35-310 Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
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Sadowska-Bartosz I, Bartosz G. Peroxiredoxin 2: An Important Element of the Antioxidant Defense of the Erythrocyte. Antioxidants (Basel) 2023; 12:antiox12051012. [PMID: 37237878 DOI: 10.3390/antiox12051012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/14/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Peroxiredoxin 2 (Prdx2) is the third most abundant erythrocyte protein. It was known previously as calpromotin since its binding to the membrane stimulates the calcium-dependent potassium channel. Prdx2 is present mostly in cytosol in the form of non-covalent dimers but may associate into doughnut-like decamers and other oligomers. Prdx2 reacts rapidly with hydrogen peroxide (k > 107 M-1 s-1). It is the main erythrocyte antioxidant that removes hydrogen peroxide formed endogenously by hemoglobin autoxidation. Prdx2 also reduces other peroxides including lipid, urate, amino acid, and protein hydroperoxides and peroxynitrite. Oxidized Prdx2 can be reduced at the expense of thioredoxin but also of other thiols, especially glutathione. Further reactions of Prdx2 with oxidants lead to hyperoxidation (formation of sulfinyl or sulfonyl derivatives of the peroxidative cysteine). The sulfinyl derivative can be reduced by sulfiredoxin. Circadian oscillations in the level of hyperoxidation of erythrocyte Prdx2 were reported. The protein can be subject to post-translational modifications; some of them, such as phosphorylation, nitration, and acetylation, increase its activity. Prdx2 can also act as a chaperone for hemoglobin and erythrocyte membrane proteins, especially during the maturation of erythrocyte precursors. The extent of Prdx2 oxidation is increased in various diseases and can be an index of oxidative stress.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
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Tama A, Bartosz G, Sadowska-Bartosz I. Phenolic compounds interfere in the Ampliflu Red/peroxidase assay for hydrogen peroxide. Food Chem 2023; 422:136222. [PMID: 37121205 DOI: 10.1016/j.foodchem.2023.136222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/06/2023] [Accepted: 04/19/2023] [Indexed: 05/02/2023]
Abstract
Methods employing horseradish peroxidase (HRP) are popular for quantification of hydrogen peroxide. This communication reports interference of the Ampliflu Red-HRP assay by phenolic compounds, abundant in food and beverages of plant origin. Concentrations of catechin, propyl gallate, quercetin and gallic acid lowering the yield of the product, resorufin, in this system by 50% were lower than 10 μM. The extent of inhibition increased with decreasing hydrogen peroxide concentration. These results point to the necessity of a careful interpretation of results concerning the quantification of hydrogen peroxide in materials containing phenolic compounds with methods employing HRP, especially when low concentrations of hydrogen peroxide are concerned.
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Affiliation(s)
- Anna Tama
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland.
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland.
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Kuczera K, Naparło K, Soszyński M, Bartosz G, Sadowska-Bartosz I. Capsaicin toxicity to the yeast Saccharomyces cerevisiae is not due to oxidative stress but to disruption of membrane structure. Chem Biol Interact 2023; 374:110407. [PMID: 36804492 DOI: 10.1016/j.cbi.2023.110407] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 02/08/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Capsaicin (CAP) is a common food constituent, conferring a pungent taste to red peppers of the genus Capsicum. It has bactericidal and fungicidal activity. The study was aimed to test the hypothesis of whether oxidative stress mediates the toxicity of CAP to the baker's yeast Saccharomyces cerevisiae as a model yeast. CAP showed good antioxidant properties (1.30 and 1.10 mol Trolox equivalents/mol in the 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonate (ABTS) radical scavenging assay and the Ferric Reducing Antioxidant Power assay, respectively). However, its autoxidation generated hydrogen peroxide. CAP inhibited the growth of S. cerevisiae at concentrations ≥100 μM. Yeast mutants deficient in superoxide dismutase 1 or catalase T were more sensitive to CAP than wild-type yeast. CAP did not augment the ROS level in yeast cells. Standard antioxidants (N-acetylcysteine and ascorbate) did not protect significantly against CAP-induced yeast growth inhibition. Thus, oxidative stress does not mediate the CAP's inhibition of yeast growth. CAP did not decrease mitochondrial membrane potential of the yeast but induced a concentration-dependent decrease in membrane fluidity. These results indicate that the disturbance of membrane properties is the apparent cause of CAP toxicity to the yeast.
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Affiliation(s)
- Klaudia Kuczera
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
| | - Katarzyna Naparło
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
| | - Mirosław Soszyński
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska St., 90-236, Lodz, Poland
| | - Grzegorz Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza St., 35-601 Rzeszow, Poland
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszow, 4 Zelwerowicza St., 35-601 Rzeszow, Poland.
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Zaborniak I, Pieńkowska N, Chmielarz P, Bartosz G, Dziedzic A, Sadowska-Bartosz I. Nitroxide-containing amphiphilic polymers prepared by simplified electrochemically mediated ATRP as candidates for therapeutic antioxidants. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125885] [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: 03/22/2023]
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Furdak P, Pieńkowska N, Bartosz G, Sadowska-Bartosz I. Extracts of Common Vegetables Inhibit the Growth of Ovary Cancer Cells. Foods 2022; 11:foods11162518. [PMID: 36010518 PMCID: PMC9407283 DOI: 10.3390/foods11162518] [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: 07/16/2022] [Revised: 08/15/2022] [Accepted: 08/18/2022] [Indexed: 02/07/2023] Open
Abstract
There is recent interest in a diet that can be recommended for patients suffering from cancer. In this respect, the effects were studied of the extracts of several common fruits, herbs and vegetables on the viability of two human ovary cancer cell lines (SKOV-3 and PEO1) in vitro. Normal human MRC-5 fibroblasts were used as a control cell line. The extracts of garlic, horseradish and curly kale as well as green and black tea were the most effective in lowering the viability of ovarian cancer cells, while not affecting the viability of MRC-5 fibroblasts. Except for garlic and horseradish, the cytotoxic effects of the extracts correlated with their polyphenol content. The examination of changes in the content of ATP and glutathione, in the level of reactive oxygen species, mitochondrial potential and mitochondrial mass did not show a consistent pattern, suggesting that various extracts may act via different mechanisms. Although the extracts’ toxicity to cells in vitro is a first and direct suggestion concerning their possible anticancer effects in vivo, these results point to potential vegetable candidates to become diet components recommended for ovary cancer patients.
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Bartosz G, Rajzer K, Grzesik-Pietrasiewicz M, Sadowska-Bartosz I. Hydrogen peroxide is formed upon cooking of vegetables. Acta Biochim Pol 2022; 69:471-474. [PMID: 35569137 DOI: 10.18388/abp.2020_6253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 03/23/2022] [Indexed: 11/10/2022]
Abstract
Hydrogen peroxide (H2O2) is generated under autoxidation of some components of beverages including flavonoids and ascorbate, especially in tea and coffee. As polyphenols are also present in solid food, especially in vegetables, we checked whether hydrogen peroxide is generated during cooking of several common vegetables. The formation of hydrogen peroxide was found in the decoctions of all cooked vegetables studied except for potato and in the homogenates of cooked vegetables except for garlic and purple potato. The highest concentration of hydrogen peroxide in 1:2 (w/v) homogenates was found for the broad bean (73.4±9.0 µM) followed by broccoli (18.6±0.3 µM), onion (10.4±1.6 µM) and leek (10.0±0.3 µM), while the H2O2 concentration in the decoctions was the highest for broccoli (24.4±0.8 µM), then for broad bean (21.4±1.1 µM), carrot (13.2±0.2 µM) and cauliflower (12.6±1.2 µM).
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Affiliation(s)
- Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Klaudia Rajzer
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Michalina Grzesik-Pietrasiewicz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
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Tama A, Bartosz G, Sadowska-Bartosz I. Is hydrogen peroxide generated in wine? FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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Abstract
There are conflicting reports on the antioxidant activity of hispidulin. Antioxidant activity of hispidulin was evaluated using assays of ABTS• reduction, ferric ion reducing antioxidant power (FRAP) assay, DPPH reduction assay, and protection of erythrocyte membranes against lipid peroxidation and protein thiol oxidation. ABTS• reduction assay pointed to the involvement of all three phenol groups of hispidulin in ABTS• reduction. The reactivity of hispidulin in the FRAP assay and DPPH reduction assay was low (0.09 and 0.019 of the reactivity of Trolox). However, hispidulin was effective in protection against erythrocyte membrane lipid peroxidation and highly effective in protection against erythrocyte membrane protein thiol group oxidation (more effective than Trolox). These results point to the necessity of caution in extrapolating the antioxidant activity evaluated in simple cell-free systems on more complex systems.
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Affiliation(s)
- Kacper Kut
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Mirosław Soszyński
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
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16
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Bartosz G, Pieńkowska N, Sadowska-Bartosz I. Dosing metric in cellular experiments: The mol/cell metric has its limitations. Toxicol In Vitro 2021; 78:105272. [PMID: 34740775 DOI: 10.1016/j.tiv.2021.105272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/22/2021] [Accepted: 10/31/2021] [Indexed: 11/16/2022]
Abstract
It has been argued that the mol/cell metric is more universal than concentration of the toxic agent since in many cases the effect of dose expressed as mol/cell is independent of ex-perimental setup. We confirmed it for hemolysis of erythrocytes in phosphate-buffered saline induced by hypochlorite where the amount of femtomoles/cell of hypochlorite needed for 50% hemolysis was independent of erythrocyte concentration. However, in the presence of blood plasma this metric became dependent on cell concentration. Similarly, the effect of 3-bromopyruvic acid (3-BP) on PEO1 cells as a function of mol/cell ratio depended on the volume of the 3-BP containing medium, due to the reaction of 3-BP with components of the medium. Hemolytic amounts of sodium dodecyl sulfate and Triton X-100 expressed as mol/cell decreased with increasing cell concentration while the effect of DMSO on the viability of a constant number of fibroblasts was independent of the volume of DMSO-containing medium. These results demonstrate that the mol/cell metric is still dependent on experimental conditions when the toxic agent interacts with components of the medium or when its physical state is modified by the target cells, and the effect is independent of the mol/per cell ratio for high excess of a cell damaging agent.
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Affiliation(s)
- Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
| | - Natalia Pieńkowska
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland.
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17
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Komorowska D, Gajewska A, Hikisz P, Bartosz G, Rodacka A. Comparison of the Effects of Resveratrol and Its Derivatives on the Radiation Response of MCF-7 Breast Cancer Cells. Int J Mol Sci 2021; 22:ijms22179511. [PMID: 34502426 PMCID: PMC8431402 DOI: 10.3390/ijms22179511] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 12/28/2022] Open
Abstract
Radiotherapy is among the most important methods for breast cancer treatment. However, this method's effectiveness is limited by radioresistance. The aim of this study was to investigate whether the stilbene derivatives piceid, resveratrol, and piceatannol have a radiosensitising effect on breast cancer cells (MCF-7). The conducted research enabled us to determine which of the tested compounds has the greatest potential in sensitising cells to ionising radiation (IR). Among the stilbene derivatives, resveratrol significantly increased the effect of IR. Resveratrol and IR used in combination had a higher cytotoxic effect on MCF-7 cells than using piceatannol, piceid, or radiation alone. This was due to a significant decrease in the activity of antioxidant enzymes, which resulted in the accumulation of formed reactive oxygen species (ROS). The effect of resveratrol and IR enhanced the expression of apoptotic genes, such as Bax, p53, and caspase 8, leading to apoptosis.
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Affiliation(s)
- Dominika Komorowska
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska St., 90-236 Lodz, Poland; (D.K.); (A.G.); (P.H.)
| | - Agnieszka Gajewska
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska St., 90-236 Lodz, Poland; (D.K.); (A.G.); (P.H.)
| | - Paweł Hikisz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska St., 90-236 Lodz, Poland; (D.K.); (A.G.); (P.H.)
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza St., 35-601 Rzeszow, Poland;
| | - Aleksandra Rodacka
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 141/143 Pomorska St., 90-236 Lodz, Poland; (D.K.); (A.G.); (P.H.)
- Correspondence: ; Fax: +48-426354473
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18
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Abstract
Betalains are water-soluble pigments present in vacuoles of plants of the order Caryophyllales and in mushrooms of the genera Amanita, Hygrocybe and Hygrophorus. Betalamic acid is a constituent of all betalains. The type of betalamic acid substituent determines the class of betalains. The betacyanins (reddish to violet) contain a cyclo-3,4-dihydroxyphenylalanine (cyclo-DOPA) residue while the betaxanthins (yellow to orange) contain different amino acid or amine residues. The most common betacyanin is betanin (Beetroot Red), present in red beets Beta vulgaris, which is a glucoside of betanidin. The structure of this comprehensive review is as follows: Occurrence of Betalains; Structure of Betalains; Spectroscopic and Fluorescent Properties; Stability; Antioxidant Activity; Bioavailability, Health Benefits; Betalains as Food Colorants; Food Safety of Betalains; Other Applications of Betalains; and Environmental Role and Fate of Betalains.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszów, Poland;
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Pichla M, Bartosz G, Stefaniuk I, Sadowska-Bartosz I. pH-Responsive Redox Nanoparticles Protect SH-SY5Y Cells at Lowered pH in a Cellular Model of Parkinson's Disease. Molecules 2021; 26:543. [PMID: 33494255 PMCID: PMC7864521 DOI: 10.3390/molecules26030543] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/17/2021] [Accepted: 01/20/2021] [Indexed: 11/25/2022] Open
Abstract
The damage to SH-SY5Y cells by 6-hydroxydopamine (6-OHDA) is an established cellular model of Parkinson's disease (PD). Redox nanoparticles are a promising tool for therapy, including neurodegenerative diseases. As pH of the brain tissue at sites affected by PD is lowered down to 6.5, we studied the effect of pH-responsive redox nanoparticles (poly(ethylene glycol)-b-poly[4-(2,2,6,6-tetramethylpiperidine-1-oxyl)aminomethylstyrene]), which change their structure in a pH-dependent manner and become active below pH 7 (NRNPs pH), on the viability of SH-SY5Y cells treated with 6-OHDA at pH 6.5 and 7.4. Pretreatment of the cells with NRNPs pH (15-75 μM) prior to the 6-OHDA treatment increased their survival in a concentration-dependent manner at pH 6.5, but not at pH 7.4. Among several parameters studied (ATP and GSH content, the level of reactive oxygen species, mitochondrial potential, mitochondrial mass), only the mitochondrial mass was dose-dependently protected by NRNPs pH at pH 6.5, but not at pH 7.4. These results indicate that the action of NRNPs pH on mitochondria underlies their protective effect in this cellular model of PD. These results may have potential importance for future applications of NRNPs pH in preclinical and perhaps clinical studies.
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Affiliation(s)
- Monika Pichla
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland;
| | - Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland;
| | - Ireneusz Stefaniuk
- Teaching and Research Center of Microelectronics and Nanotechnology, College of Natural Sciences, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Izabela Sadowska-Bartosz
- Laboratory of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland;
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20
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Abstract
We found that the oxidation of cyanidin with hydrogen peroxide, tert-butyl hydroperoxide, 2,2'-azobis(2-methylpropionamidine), 3-morpholinosydnonimine hydrochloride, sodium hypochlorite, Fe3+, and Fe2+ induced the appearance of a new fluorescence band, centered at 525-540 nm when excited at 470-490 nm. The intensity of this fluorescence was related to the oxidant concentration. The same fluorescence was induced by the oxidation of other anthocyanidins, an anthocyanin (cyanidin-3-O-glucoside) as well as anthocyanin-rich red cabbage extract, and blackcurrant and elderberry juices. Peroxidized blood plasma also induced the appearance of cyanidin fluorescence. We also showed that the formation of the fluorescent product of pelargonidin can be observed in a culture of the MRC-5 human fetal lung fibroblast cell line and the DU-145 human prostate carcinoma cell line. Our results suggest that this new anthocyanidin/anthocyanin fluorescence may be an indicator of oxidation, especially of food products, where these compounds are present or added as colorants, and can also be useful to detect oxidation in biomedical experiments.
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Affiliation(s)
- Grzegorz Bartosz
- Department of Bioenergetics, Food Analysis and Microbiology, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
| | - Michalina Grzesik-Pietrasiewicz
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
| | - Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 4 Zelwerowicza Street, 35-601 Rzeszow, Poland
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21
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Pichla M, Bartosz G, Pieńkowska N, Sadowska-Bartosz I. Possible artefacts of antioxidant assays performed in the presence of nitroxides and nitroxide-containing nanoparticles. Anal Biochem 2020; 597:113698. [DOI: 10.1016/j.ab.2020.113698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 03/07/2020] [Accepted: 03/23/2020] [Indexed: 12/11/2022]
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22
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Naparlo K, Bartosz G, Stefaniuk I, Cieniek B, Soszynski M, Sadowska-Bartosz I. Interaction of Catechins with Human Erythrocytes. Molecules 2020; 25:molecules25061456. [PMID: 32213847 PMCID: PMC7145294 DOI: 10.3390/molecules25061456] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/17/2020] [Accepted: 03/20/2020] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to characterize the interaction of chosen catechins ((+)-catechin, (−)-epigallocatechin (EGC), and (−)-epigallocatechin gallate (EGCG)) with human erythrocytes and their protective effects against oxidative damage of erythrocytes. Uptake of the catechins by erythrocytes was studied by fluorimetry, their interaction with erythrocyte membrane was probed by changes in erythrocyte osmotic fragility and in membrane fluidity evaluated with spin labels, while protection against oxidative damage was assessed by protection against hemolysis induced by permanganate and protection of erythrocyte membranes against lipid peroxidation and protein thiol group oxidation. Catechin uptake was similar for all the compounds studied. Accumulation of catechins in the erythrocyte membrane was demonstrated by the catechin-induced increase in osmotic resistance and rigidification of the erythrocyte membrane detected by spin labels 5-doxyl stearic acid and 16-doxyl stearic acid. (−)-Epigallocatechin and EGCG inhibited erythrocyte acetylcholinesterase (mixed-type inhibition). Catechins protected erythrocytes against permanganate-induced hemolysis, oxidation of erythrocyte protein thiol groups, as well as membrane lipid peroxidation. These results contribute to the knowledge of the beneficial effects of catechins present in plant-derived food and beverages.
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Affiliation(s)
- Katarzyna Naparlo
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 35-601 Rzeszow, Poland;
| | - Grzegorz Bartosz
- Department of Bioenergetics and Food Analysis, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 35-601 Rzeszow, Poland;
| | - Ireneusz Stefaniuk
- Teaching and Research Center of Microelectronics and Nanotechnology, College of Natural Sciences, University of Rzeszow, 35-959 Rzeszow, Poland; (I.S.); (B.C.)
| | - Bogumil Cieniek
- Teaching and Research Center of Microelectronics and Nanotechnology, College of Natural Sciences, University of Rzeszow, 35-959 Rzeszow, Poland; (I.S.); (B.C.)
| | - Miroslaw Soszynski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland;
| | - Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, 35-601 Rzeszow, Poland;
- Correspondence:
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23
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Pieńkowska N, Bartosz G, Pichla M, Grzesik-Pietrasiewicz M, Gruchala M, Sadowska-Bartosz I. Effect of antioxidants on the H 2O 2-induced premature senescence of human fibroblasts. Aging (Albany NY) 2020; 12:1910-1927. [PMID: 31962290 PMCID: PMC7053616 DOI: 10.18632/aging.102730] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [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: 10/29/2019] [Accepted: 01/02/2020] [Indexed: 01/30/2023]
Abstract
The study was aimed at evaluation of the role of secondary oxidative stress in the stress-induced premature senescence (SIPS) of human fibroblasts induced by H2O2. Two fibroblast lines were used: lung MRC-5 and ear H8F2p25LM fibroblasts. The lines differed considerably in sensitivity to H2O2 (IC50 of 528 and 33.5 μM, respectively). The cells were exposed to H2O2 concentrations corresponding to IC50 and after 24 h supplemented with a range of antioxidants. Most of antioxidants studied slightly augmented the survival of fibroblasts at single concentrations or in a narrow concentration range, but the results were not consistent among the cell lines. Chosen antioxidants (4-amino-TEMPO, curcumin, caffeic acid and p-coumaric acid) did not restore the level of glutathione decreased by H2O2. Hydrogen peroxide treatment did not induce secondary production of H2O2 and even decreased it, decreased mitochondrial potential in both cell lines and induced changes in the mitochondrial mass inconsistent between the lines. Antioxidant protected mitochondrial potential only in H8F2p25LM cells, but attenuated changes in mitochondrial mass. These results speak against the intermediacy of secondary oxidative stress in the SIPS induced by H2O2 and suggest that the small protective action of antioxidants is due to their effects on mitochondria.
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Affiliation(s)
- Natalia Pieńkowska
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Monika Pichla
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Michalina Grzesik-Pietrasiewicz
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
| | - Martyna Gruchala
- Cytometry Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection University of Lodz, Lodz, Poland
| | - Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Institute of Food Technology and Nutrition, College of Natural Sciences, Rzeszow University, Rzeszow, Poland
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24
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Gonos ES, Kapetanou M, Sereikaite J, Bartosz G, Naparło K, Grzesik M, Sadowska-Bartosz I. Origin and pathophysiology of protein carbonylation, nitration and chlorination in age-related brain diseases and aging. Aging (Albany NY) 2019; 10:868-901. [PMID: 29779015 PMCID: PMC5990388 DOI: 10.18632/aging.101450] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [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: 04/09/2018] [Accepted: 05/08/2018] [Indexed: 12/11/2022]
Abstract
Non-enzymatic protein modifications occur inevitably in all living systems. Products of such modifications accumulate during aging of cells and organisms and may contribute to their age-related functional deterioration. This review presents the formation of irreversible protein modifications such as carbonylation, nitration and chlorination, modifications by 4-hydroxynonenal, removal of modified proteins and accumulation of these protein modifications during aging of humans and model organisms, and their enhanced accumulation in age-related brain diseases.
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Affiliation(s)
- Efstathios S Gonos
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, Athens 11635, Greece
| | - Marianna Kapetanou
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, Athens 11635, Greece.,Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Athens, Athens 15701, Greece
| | - Jolanta Sereikaite
- Department of Chemistry and Bioengineering, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, Vilnius 2040, Lithuania
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz 90-236, Poland
| | - Katarzyna Naparło
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszow, Rzeszow 35-601, Poland
| | - Michalina Grzesik
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszow, Rzeszow 35-601, Poland
| | - Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszow, Rzeszow 35-601, Poland
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25
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Rodacka A, Strumillo J, Puchala M, Serafin E, Bartosz G. Comparison of protective properties of resveratrol and melatonin in the radiation inactivation and destruction of glyceraldehyde-3-phosphate dehydrogenase and lactate dehydrogenase. Int J Radiat Biol 2019; 95:1472-1483. [PMID: 31290706 DOI: 10.1080/09553002.2019.1642539] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Purpose: This work investigates the effect of resveratrol and melatonin on structural and functional changes of two enzymes, lactate dehydrogenase (LDH) and glyceraldehyde-3-phosphate dehydrogenase (GAPDH), exposed to radiation-induced reactive oxygen species.Materials and methods: Solutions of dehydrogenases with or without antioxidants (resveratrol or melatonin) were irradiated with X-rays under the atmosphere of air and at room temperature (21 ± 2 °C). In order to determine the protective effect of melatonin and resveratrol in radiation-induced damage to GAPDH and LDH spectroscopy and HPLC methods were used. Furthermore, plausible binding sites of melatonin or resveratrol to the GAPDH or LDH molecule were analysed.Results and conclusions: Resveratrol shows better protective properties in the inactivation of GAPDH when compared to melatonin. LDH does not contain ‒SH groups in its active site, and is not inactivated by water radiolysis products other than hydroxyl radicals or the secondary radicals of the studied low-molecular-weight compounds. Resveratrol and melatonin protected the structure of LDH to a greater extent than GAPDH. This difference can be attributed to the fact that LDH potentially binds more resveratrol or melatonin molecules (27 binding sites for resveratrol and 40 for melatonin) than GAPDH (10 binding sites for resveratrol and 18 for melatonin).
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Affiliation(s)
- Aleksandra Rodacka
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Joanna Strumillo
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Mieczyslaw Puchala
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Eligiusz Serafin
- Laboratory of Computer and Analytical Techniques, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
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26
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Pichla M, Sroka J, Pienkowska N, Piwowarczyk K, Madeja Z, Bartosz G, Sadowska-Bartosz I. Metastatic prostate cancer cells are highly sensitive to 3-bromopyruvic acid. Life Sci 2019; 227:212-223. [PMID: 30928407 DOI: 10.1016/j.lfs.2019.03.066] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 03/23/2019] [Accepted: 03/25/2019] [Indexed: 01/06/2023]
Abstract
AIMS 3-Bromopyruvate (3-BP), an alkylating agent and a glycolytic inhibitor, is a promising anticancer agent, which can be efficient also against multidrug-resistant cancer cells. The aim of this study was to examine how 3-BP affects the survival and mobility of rat (MAT-LyLu and AT-2) and human (DU-145 and PC-3) metastatic prostate cancer cell lines. MAIN METHODS Cytotoxicity was estimated with Neutral Red. Cell mobility was analyzed by time-lapse microscopic monitoring of trajectories of individual cells at 5-min intervals for 6h. ATP was estimated with luciferin/luciferase and glutathione (GSH) with o-phthalaldehyde. Actin cytoskeleton was visualized with phalloidin conjugated with Atto-488. KEY FINDINGS All metastatic prostate cell lines studied were very sensitive to 3-BP (IC50 of 4-26μM). 3-Bromopyruvate drastically reduced cell movement even at concentrations of 5-10μM after 1h treatment. This compound depleted also cellular ATP and GSH, and disrupted actin cytoskeleton. SIGNIFICANCE The data obtained suggest that 3-BP can potentially be useful for treatment of metastatic prostate cancer and, especially, be efficient in limiting metastasis.
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Affiliation(s)
- Monika Pichla
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza Street 4, 35-601 Rzeszów, Poland
| | - Jolanta Sroka
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa Street 7, 30-387 Cracow, Poland
| | - Natalia Pienkowska
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza Street 4, 35-601 Rzeszów, Poland
| | - Katarzyna Piwowarczyk
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa Street 7, 30-387 Cracow, Poland
| | - Zbigniew Madeja
- Department of Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa Street 7, 30-387 Cracow, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska Street 141/143, 90-236 Łódź, Poland
| | - Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza Street 4, 35-601 Rzeszów, Poland.
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Pulaski L, Jatczak-Pawlik I, Sobalska-Kwapis M, Strapagiel D, Bartosz G, Sadowska-Bartosz I. 3-Bromopyruvate induces expression of antioxidant genes. Free Radic Res 2019; 53:170-178. [PMID: 30362385 DOI: 10.1080/10715762.2018.1541176] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
An alkylating compound, 3-bromopyruvic acid (3-3-bromopyruvic acid (BP)) is a promising anti-cancer agent, potentially able to act on multidrug-resistant cells. Its action has been attributed mainly to inhibition of glycolysis. This compound induces also oxidative stress at a cellular level. The effects of 3-BP on gene expression have not been studied although they may determine the survival of cells exposed to 3-BP. The aim of this paper was to examine the effect 3-BP on gene expression pattern in breast MCF-7 cancer cells. Detection of the differences in gene expression was performed using microarrays and dysregulated genes were validated by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Exposure of cells to 100 µM 3-BP for 6, 12 and 24 increased expression and diminished expression of 39 and 6 genes, respectively. Among the induced genes, 22 belong to general cellular stress response genes, maintenance genes involved in redox homeostasis, responding to oxidative stress (among them metallothioneins, low-molecular-weight thiol homeostasis enzymes and genes coding for NAD(P)H-dependent oxidoreductases operating on complex organic substrates, including aldo-keto reductases). These results demonstrate that transient oxidative stress in cells exposed to 3-BP is followed by antioxidant response.
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Affiliation(s)
- Lukasz Pulaski
- a Laboratory of Transcriptional Regulation, Institute of Medical Biology , Polish Academy of Sciences , Lodz , Poland.,b Faculty of Biology and Environmental Protection, Department of Molecular Biophysics , University of Lodz , Lodz , Poland
| | - Izabela Jatczak-Pawlik
- b Faculty of Biology and Environmental Protection, Department of Molecular Biophysics , University of Lodz , Lodz , Poland
| | - Marta Sobalska-Kwapis
- c Biobank Lab, Faculty of Biology and Environmental Protection, Department of Molecular Biophysics , University of Lodz , Lodz , Poland
| | - Dominik Strapagiel
- c Biobank Lab, Faculty of Biology and Environmental Protection, Department of Molecular Biophysics , University of Lodz , Lodz , Poland
| | - Grzegorz Bartosz
- b Faculty of Biology and Environmental Protection, Department of Molecular Biophysics , University of Lodz , Lodz , Poland
| | - Izabela Sadowska-Bartosz
- d Department of Analytical Biochemistry Faculty of Biology and Agriculture , University of Rzeszow , Rzeszow , Poland
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Naparlo K, Zyracka E, Bartosz G, Sadowska-Bartosz I. Flavanols protect the yeast Saccharomyces cerevisiae against heating and freezing/thawing injury. J Appl Microbiol 2019; 126:872-880. [PMID: 30520210 DOI: 10.1111/jam.14170] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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: 09/06/2018] [Revised: 11/13/2018] [Accepted: 11/28/2018] [Indexed: 12/13/2022]
Abstract
AIMS The aim of the study was to check whether two flavanols ((-)-epigallocatechin gallate and (+)-catechin) can ameliorate oxidative stress (OS) accompanying and contributing to the lethal effects of heating (50°C) and freezing-thawing on the yeast Saccharomyces cerevisiae. METHODS AND RESULTS The flavanols studied increased yeast survival during heating and freezing-thawing, estimated by the colony forming assay. They improved also such indices of OS as increased production of reactive oxygen species, decrease of total antioxidant activity of yeast cell extracts and increase in the level of protein carbonyls. CONCLUSIONS Amelioration of OS by flavanols increases the survival of the yeast subjected to high temperature and freezing-thawing. SIGNIFICANCE AND IMPACT OF THE STUDY Flavanols may be considered as means of enhancing yeast survival under extreme temperature conditions and probably in other conditions involving OS.
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Affiliation(s)
- K Naparlo
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
| | - E Zyracka
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
| | - G Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland
| | - I Sadowska-Bartosz
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
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Grzesik M, Bartosz G, Dziedzic A, Narog D, Namiesnik J, Sadowska-Bartosz I. Antioxidant properties of ferrous flavanol mixtures. Food Chem 2018; 268:567-576. [DOI: 10.1016/j.foodchem.2018.06.076] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 06/12/2018] [Accepted: 06/18/2018] [Indexed: 01/08/2023]
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Sadowska-Bartosz I, Bartosz G. Redox nanoparticles: synthesis, properties and perspectives of use for treatment of neurodegenerative diseases. J Nanobiotechnology 2018; 16:87. [PMID: 30390681 PMCID: PMC6215349 DOI: 10.1186/s12951-018-0412-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [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: 06/27/2018] [Accepted: 10/15/2018] [Indexed: 12/31/2022] Open
Abstract
Oxidative stress (OS) and nitrative stress (NS) accompany many diseases, including Alzheimer's disease (AD) and Parkinson's disease (PD). Antioxidants have been proposed to counteract OS/NS in these diseases. Nevertheless, the effects of antioxidants are limited and new, more efficient antioxidants are searched for. Redox-active nanoparticles (RNPs), containing antioxidants create a new therapeutical perspective. This review examines the recent literature describing synthesis and potential applications of cerium oxide RNPs, boron cluster-containing and silica containing RNPs, Gd3N@C80 encapsulated RNPs, and concentrates on nitroxide-containing RNPs. Nitroxides are promising antioxidants, preventing inter alia glycation and nitration, but their application poses several problems. It can be expected that application of RNPs containing covalently bound nitroxides, showing low toxicity and able to penetrate the blood-brain barrier will be more efficient in the treatment of neurodegenerative disease, in particular AD and PD basing on their effects in cellular and animal models of neurodegenerative diseases.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza Street 4, 35-601, Rzeszow, Poland.
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska Street 141/143, 90-236, Lodz, Poland
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31
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Strumillo J, Nowak KE, Krokosz A, Rodacka A, Puchala M, Bartosz G. The role of resveratrol and melatonin in the nitric oxide and its oxidation products mediated functional and structural modifications of two glycolytic enzymes: GAPDH and LDH. Biochim Biophys Acta Gen Subj 2018; 1862:877-885. [DOI: 10.1016/j.bbagen.2017.12.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 12/06/2017] [Accepted: 12/27/2017] [Indexed: 11/25/2022]
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Majerczak J, Grandys M, Duda K, Zakrzewska A, Balcerczyk A, Kolodziejski L, Szymoniak-Chochol D, Smolenski RT, Bartosz G, Chlopicki S, Zoladz JA. Moderate-intensity endurance training improves endothelial glycocalyx layer integrity in healthy young men. Exp Physiol 2018; 102:70-85. [PMID: 27748983 DOI: 10.1113/ep085887] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 10/13/2016] [Indexed: 12/11/2022]
Abstract
NEW FINDINGS What is the central question of this study? The main aim of the present study was to determine the effect of prolonged moderate-intensity endurance training on the endothelial glycocalyx layer integrity in relationship to the training-induced changes in oxidative stress and antioxidant defence in humans. What is the main finding and its importance? We have shown, for the first time, a protective effect of prolonged moderate-intensity endurance training on endothelial glycocalyx layer integrity, as judged by significantly lower basal and end-exercise serum concentrations of glycocalyx damage markers, i.e. syndecan-1 and heparan sulfate, accompanied by attenuation of oxidative stress and enhancement of antioxidant defence after training in previously untrained healthy young men. In this study, we evaluated the effect of 20 weeks of moderate-intensity endurance training (ET) on the endothelial glycocalyx layer integrity in relationship to the training-induced changes in antioxidant defence. Eleven healthy young, untrained men performed an incremental cycling exercise bout until exhaustion before and after 20 weeks of ET. Endurance training consisted of 40 min sessions, mainly of moderate intensity (∼50% of maximal oxygen uptake), performed four times per week. Venous blood samples were taken at rest and at the end of the maximal exercise test. Muscle biopsies from vastus lateralis were taken before and after the training. Endurance training resulted in a significant increase in physical capacity (P < 0.05) as reflected by an increase in power output reached at the lactate threshold and at maximal oxygen uptake. Training led to a decrease (P < 0.05) in basal and end-exercise concentrations of blood markers of glycocalyx damage (syndecan-1 and heparan sulfate). The lowering of glycocalyx shedding after the ET was accompanied by an attenuation of oxidative stress, as evidenced by a decrease in the basal plasma concentration of isoprostanes, and by an increase in antioxidant defence, reflected by an enhancement in superoxide dismutase 2 protein content in vastus lateralis (P < 0.05). In contrast, training did not induce a significant increase in basal nitrite/nitrate plasma concentration (P > 0.05). Moderate-intensity ET exerts a pronounced protective effect on endothelial glycocalyx integrity at rest and during exercise, probably through an improvement of antioxidant defence that may represent the vasoprotective mechanisms highly responsive to moderate-intensity endurance training.
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Affiliation(s)
- Joanna Majerczak
- Department of Muscle Physiology, Faculty of Rehabilitation, University School of Physical Education, Krakow, Poland
| | - Marcin Grandys
- Department of Muscle Physiology, Faculty of Rehabilitation, University School of Physical Education, Krakow, Poland
| | - Krzysztof Duda
- Institute of Health Care, State Higher Vocational School in Tarnow, Tarnow, Poland
| | - Agnieszka Zakrzewska
- Jagiellonian Center for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland
| | - Aneta Balcerczyk
- Department of Molecular Biophysics, University of Lodz, Lodz, Poland
| | - Leszek Kolodziejski
- Department of Rehabilitation in Traumatology, Faculty of Rehabilitation, University School of Physical Education, Krakow, Poland
| | | | | | - Grzegorz Bartosz
- Department of Molecular Biophysics, University of Lodz, Lodz, Poland
| | - Stefan Chlopicki
- Jagiellonian Center for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland.,Chair of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
| | - Jerzy A Zoladz
- Department of Muscle Physiology, Faculty of Rehabilitation, University School of Physical Education, Krakow, Poland
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Abstract
TEMPO-phosphate has been introduced as a phosphate analogue to study phosphate transport in erythrocytes. The nitroxide is reduced intracellularly upon entering the cells, the membrane transport being the rate-limiting step of the loss of ESR signal. The use of TEMPO-phosphate is convenient and avoids the hazard of radioactivity. We studied the inhibition of TEMPO-phosphate transport to human erythrocytes by various compounds. DIDS and SITS, inhibitors of Band 3, inhibited the TEMPO-phosphate transport. 1-cyano-4-hydroxycinnamic acid, inhibitor of monocarboxylate transporters, did not affect the permeation of TEMPO-phosphate. The transport of TEMPO-phosphate was inhibited by various polyphenols, especially curcumin, naringin, quercetin, luteolin and kaempferol. Interestingly, 3-bromopyruvic acid, an alkylating agent and potential anticancer agent, induced an apparent enhancement of TEMPO-phosphate transport into erythrocytes.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- a Department of Analytical Biochemistry, Faculty of Biology and Agriculture , University of Rzeszów , Rzeszów , Poland
| | - Ireneusz Stefaniuk
- b Teaching and Research Center of Microelectronics and Nanotechnology, Faculty of Mathematics and Natural Sciences , University of Rzeszów , Rzeszów , Poland
| | - Bogumił Cieniek
- c Department of Experimental Physics, Faculty of Mathematics and Natural Sciences , University of Rzeszów , Rzeszów , Poland
| | - Grzegorz Bartosz
- d Department of Molecular Biophysics, Faculty of Biology and Environmental Protection , University of Łódź , Łódź , Poland
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Słomka M, Sobalska-Kwapis M, Wachulec M, Bartosz G, Strapagiel D. High Resolution Melting (HRM) for High-Throughput Genotyping-Limitations and Caveats in Practical Case Studies. Int J Mol Sci 2017; 18:ijms18112316. [PMID: 29099791 PMCID: PMC5713285 DOI: 10.3390/ijms18112316] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 10/06/2017] [Accepted: 10/31/2017] [Indexed: 01/02/2023] Open
Abstract
High resolution melting (HRM) is a convenient method for gene scanning as well as genotyping of individual and multiple single nucleotide polymorphisms (SNPs). This rapid, simple, closed-tube, homogenous, and cost-efficient approach has the capacity for high specificity and sensitivity, while allowing easy transition to high-throughput scale. In this paper, we provide examples from our laboratory practice of some problematic issues which can affect the performance and data analysis of HRM results, especially with regard to reference curve-based targeted genotyping. We present those examples in order of the typical experimental workflow, and discuss the crucial significance of the respective experimental errors and limitations for the quality and analysis of results. The experimental details which have a decisive impact on correct execution of a HRM genotyping experiment include type and quality of DNA source material, reproducibility of isolation method and template DNA preparation, primer and amplicon design, automation-derived preparation and pipetting inconsistencies, as well as physical limitations in melting curve distinction for alternative variants and careful selection of samples for validation by sequencing. We provide a case-by-case analysis and discussion of actual problems we encountered and solutions that should be taken into account by researchers newly attempting HRM genotyping, especially in a high-throughput setup.
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Affiliation(s)
- Marcin Słomka
- Biobank Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pilarskiego 14/16, 90-231 Łódź, Poland.
- BBMRI.pl Consortium, 54-066 Wrocław, Poland.
| | - Marta Sobalska-Kwapis
- Biobank Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pilarskiego 14/16, 90-231 Łódź, Poland.
- BBMRI.pl Consortium, 54-066 Wrocław, Poland.
| | - Monika Wachulec
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143, 90-236 Łódź, Poland.
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143, 90-236 Łódź, Poland.
| | - Dominik Strapagiel
- Biobank Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pilarskiego 14/16, 90-231 Łódź, Poland.
- BBMRI.pl Consortium, 54-066 Wrocław, Poland.
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Grzesik M, Naparło K, Bartosz G, Sadowska-Bartosz I. Antioxidant properties of catechins: Comparison with other antioxidants. Food Chem 2017; 241:480-492. [PMID: 28958556 DOI: 10.1016/j.foodchem.2017.08.117] [Citation(s) in RCA: 235] [Impact Index Per Article: 33.6] [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: 06/27/2017] [Revised: 08/30/2017] [Accepted: 08/31/2017] [Indexed: 12/13/2022]
Abstract
Antioxidant properties of five catechins and five other flavonoids were compared with several other natural and synthetic compounds and related to glutathione and ascorbate as key endogenous antioxidants in several in vitro tests and assays involving erythrocytes. Catechins showed the highest ABTS-scavenging capacity, the highest stoichiometry of Fe3+ reduction in the FRAP assay and belonged to the most efficient compounds in protection against SIN-1 induced oxidation of dihydrorhodamine 123, AAPH-induced fluorescein bleaching and hypochlorite-induced fluorescein bleaching. Glutathione and ascorbate were less effective. (+)-catechin and (-)-epicatechin were the most effective compounds in protection against AAPH-induced erythrocyte hemolysis while (-)-epicatechin gallate, (-)-epigallocatechin gallate and (-)-epigallocatechin protected at lowest concentrations against hypochlorite-induced hemolysis. Catechins [(-)-epigallocatechin gallate and (-)-epicatechin gallate)] were most efficient in the inhibition of AAPH-induced oxidation of 2'7'-dichlorodihydroflurescein contained inside erythrocytes. Excellent antioxidant properties of catechins and other flavonoids make them ideal candidates for nanoformulations to be used in antioxidant therapy.
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Affiliation(s)
- Michalina Grzesik
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, ul. Zelwerowicza 4, 35-601 Rzeszów, Poland
| | - Katarzyna Naparło
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, ul. Zelwerowicza 4, 35-601 Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pomorska 141/143, 90-236 Łódź, Poland
| | - Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszów, ul. Zelwerowicza 4, 35-601 Rzeszów, Poland.
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Sadowska-Bartosz I, Furmaniak P, Bieszczad-Bedrejczuk E, Bartosz G, Głowacki R. Developmental changes in the levels and redox potentials of main hemolymph thiols/disulfides in the Jamaican field cricket Gryllus assimilis. Acta Biochim Pol 2017; 64:503-506. [PMID: 28746421 DOI: 10.18388/abp.2017_1510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Revised: 05/03/2017] [Accepted: 05/08/2017] [Indexed: 11/10/2022]
Abstract
Main thiols and disulfides were determined in the hemolymph of the Jamaican field cricket Gryllus assimilis at various developmental stages. On the basis of these data, redox potentials of the glutathione, cysteine and homocysteine redox systems were calculated. The concentrations of all thiols studied decreased during development (at a stage of 6 molts) with respect to young crickets, and increased again in adult insects. Redox potentials of the glutathione and cysteine systems increased from values of -131.0±5.6 mV and -86.9±17.1 mV, respectively in young crickets to -58.0±3.6 mV and -36.1±4.2 mV, respectively, at the stage of 6 molts and decreased to values of -110.4±24.8 mV and -66.3±12.2 mV, respectively, in adult insects. Redox potentials of the glutathione and cysteine systems in the hemolymph of young and adult insects were similar to those reported for human plasma.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszow, Rzeszów, Poland
| | - Paulina Furmaniak
- Department of Environmental Chemistry, Faculty of Chemistry, University of Łodz, Łódź, Poland
| | - Edyta Bieszczad-Bedrejczuk
- Department of Analytical Biochemistry, Faculty of Biology and Agriculture, University of Rzeszow, Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Łódź, Poland
| | - Rafał Głowacki
- Department of Environmental Chemistry, Faculty of Chemistry, University of Łodz, Łódź, Poland
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Karwaciak I, Gorzkiewicz M, Bartosz G, Pulaski L. TLR2 activation induces antioxidant defence in human monocyte-macrophage cell line models. Oncotarget 2017; 8:54243-54264. [PMID: 28903338 PMCID: PMC5589577 DOI: 10.18632/oncotarget.17342] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 04/10/2017] [Indexed: 01/08/2023] Open
Abstract
When monocytes are recruited to inflammation/infection sites, extravasate and differentiate into macrophages, they encounter increasing levels of oxidative stress, both from exogenous and endogenous sources. In this study, we aimed to determine whether there are specific biochemical mechanisms responsible for an increase in oxidative stress resistance in differentiating macrophages. We performed experiments on in vitro cell line models of the monocyte-macrophage differentiation axis (less differentiated THP-1 cells and more differentiated Mono Mac 6 cells). At the same time, we verified the hypothesis that activating monocyte/macrophage innate immune response by pathogens (exemplified by stimulating the TLR2 pattern recognition receptor) would further strengthen cellular antioxidant defences. We found that resistance to exogenous oxidative stress increased substantially both during differentiation and upon activation of TLR2. This increase in antioxidant resistance was accompanied by decrease in free radical damage to cellular proteins. On the molecular level, this resistance was mediated especially by increased levels and activity of glutathione, glutathione-related antioxidant enzymes and Mn superoxide dismutase, as shown by gene expression assays, Western blotting and enzyme activity assays. Moreover, upon TLR2 activation additional molecular mechanisms came into play, conferring additional resistance levels even upon differentiated macrophage-like cells, mainly related to thioredoxin-linked antioxidant enzymes.
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Affiliation(s)
- Iwona Karwaciak
- Laboratory of Transcriptional Regulation, Institute of Medical Biology PAS, Lodz, Poland
| | - Michal Gorzkiewicz
- Laboratory of Transcriptional Regulation, Institute of Medical Biology PAS, Lodz, Poland.,Department of General Biophysics, Faculty of Biology and Environmental Sciences, University of Lodz, Lodz, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Sciences, University of Lodz, Lodz, Poland
| | - Lukasz Pulaski
- Laboratory of Transcriptional Regulation, Institute of Medical Biology PAS, Lodz, Poland.,Department of Molecular Biophysics, Faculty of Biology and Environmental Sciences, University of Lodz, Lodz, Poland
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Siewierska-Górska A, Sitek A, Żądzińska E, Bartosz G, Strapagiel D. Association of five SNPs with human hair colour in the Polish population. HOMO 2017; 68:134-144. [DOI: 10.1016/j.jchb.2017.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 11/12/2016] [Indexed: 01/23/2023]
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Galiniak S, Bartosz G, Sadowska-Bartosz I. Glutathione is the main endogenous inhibitor of protein glycation. Gen Physiol Biophys 2017; 36:175-186. [PMID: 28218612 DOI: 10.4149/gpb_2016044] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Accepted: 09/19/2016] [Indexed: 11/08/2022]
Abstract
Glycation is the cause of diabetic complications and contributes to the development of other diseases and aging. Numerous exogenous compounds have been tested for their anti-glycating activity. The aim of this study was to answer the question, which endogenous compounds at physiological concentrations can effectively prevent glycation. A set of endogenous compounds has been tested for the ability to protect albumin from glucose-induced glycation in vitro at a concentration of 1 mM and in a physiological concentration range. Only glutathione was found to protect significantly against glycation at physiological concentrations. Glutathione depletion increased the rate of hemoglobin glycation in erythrocytes incubated with high glucose concentrations. These results indicate that the level of glutathione is the main determinant of glycation of intracellular proteins.
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Affiliation(s)
- Sabina Galiniak
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland.
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Adamczyk-Sowa M, Bieszczad-Bedrejczuk E, Galiniak S, Rozmiłowska I, Czyżewski D, Bartosz G, Sadowska-Bartosz I. Oxidative modifications of blood serum proteins in myasthenia gravis. J Neuroimmunol 2017; 305:145-153. [PMID: 28284335 DOI: 10.1016/j.jneuroim.2017.01.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/27/2017] [Accepted: 01/28/2017] [Indexed: 01/19/2023]
Abstract
Myasthenia gravis (MG) is an autoimmune disease caused by production of antibodies against acetylcholine receptors of the neuromuscular junction (Ab). The aim of this study was to ascertain if oxidative stress accompanies MG by estimation of the several independent parameters of oxidative damage, mainly the levels of oxidative modifications of blood serum proteins. The group studied consisted of 50 MG patients (28 females and 22 males), 24 with ocular MG (OMG) and 26 with generalized MG (GMG), of mean age of 66.7 (30-81)years (y), mean disease duration of 9.5 (0.5-34)y, mean level of Ab of 8.9 (0.1-85)nmol/ml, and 25 age-matched healthy controls. MG patients were stratified into groups according to disease duration (<5y or >5y), Ab level (low, <3 or high, >3nmol/l) as well as symptoms (GMG or OMG). Glycophore fluorescence was increased in OMGa. Dityrosine was increased in both types of MGc, in patients ill <5b and >5cy, with lowc and highc levels of Ab. N-formylkynurenine was increased in OMGa and GMGb, in both disease duration groupsa, in the group of low Aba. Kynurenine was increased in the group with high Aba. Tryptophan fluorescence was decreased in OMGb and GMGc, in patients ill for <5b and >5ay, with lowa and highc Ab. Serum thiol group concentration were decreased in GMGc, in patients ill for >5yb. AOPP level was elevated in OMGa, in patients ill for >5ya with high Aba. Protein carbonyls were increased in both OMGc and GMGc, in patients ill for >5ay, with lowb and highb Ab. FRAP and ABTS• scavenging by fast antioxidants were unchanged, but ABTS• scavenging by slow antioxidants was lower in OMGb and GMGc, in patients ill for >5cy, in patients with lowc and highb Ab (ap<0.05, bp<0.01, cp<0.001). These results demonstrate systemic oxidative stress in MG, suggesting therapeutic use of antioxidants.
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Affiliation(s)
- Monika Adamczyk-Sowa
- Department of Neurology in Zabrze, Medical University of Silesia, 3-go Maja St. 13-15, Zabrze 41-800, Poland
| | - Edyta Bieszczad-Bedrejczuk
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza St. 4, 35-601 Rzeszów, Poland
| | - Sabina Galiniak
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza St. 4, 35-601 Rzeszów, Poland
| | - Izabela Rozmiłowska
- Department of Neurology in Zabrze, Medical University of Silesia, 3-go Maja St. 13-15, Zabrze 41-800, Poland
| | - Damian Czyżewski
- Department of Thoracic Surgery, SMDZ in Zabrze, Medical University of Silesia, 3-go Maja St. 13-15, Zabrze 41-800, Poland
| | - Grzegorz Bartosz
- Department of Thoracic Surgery, SMDZ in Zabrze, Medical University of Silesia, 3-go Maja St. 13-15, Zabrze 41-800, Poland; Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska St. 141/143, 90-236 Lodz, Poland
| | - Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza St. 4, 35-601 Rzeszów, Poland.
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Sadowska-Bartosz I, Galiniak S, Bartosz G. Modification of the deoxyribose test to detect strong iron binding. Acta Biochim Pol 2017; 64:195-198. [PMID: 27991936 DOI: 10.18388/abp.2016_1385] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 07/31/2016] [Accepted: 08/01/2016] [Indexed: 11/10/2022]
Abstract
Deoxyribose test has been widely used for determination of reactivities of various compounds for the hydroxyl radical. The test is based on the formation of hydroxyl radical by Fe2+ complex in the Fenton reaction. We propose a modification of the deoxyribose test to detect strong iron binding, inhibiting participation of Fe2+ in the Fenton reaction, on the basis of examination of concentration dependence of deoxyribose degradation on Fe2+ concentration, at a constant concentration of a chelating agent.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
| | - Sabina Galiniak
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland
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Judkiewicz L, Ciszewski R, Bartosz G. Effect of hematocrit on the erythrocyte susceptibility to centrifugal packing: Authors’ reply. Clin Hemorheol Microcirc 2016. [DOI: 10.3233/ch-1990-10514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- L. Judkiewicz
- Laboratory of Hemostasis, Institute of Pathology, Medical Academy of Łódź, 90-141 Łódź and Department of Biophysics, University of Łódź, Poland
| | - R. Ciszewski
- Laboratory of Hemostasis, Institute of Pathology, Medical Academy of Łódź, 90-141 Łódź and Department of Biophysics, University of Łódź, Poland
| | - G. Bartosz
- Laboratory of Hemostasis, Institute of Pathology, Medical Academy of Łódź, 90-141 Łódź and Department of Biophysics, University of Łódź, Poland
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Judkiewicz L, Ciszewski R, Bartosz G. Susceptibility of erythrocytes to centrifugal packing. Clin Hemorheol Microcirc 2016. [DOI: 10.3233/ch-1987-7218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- L. Judkiewicz
- Laboratory of Hemostasis, Institute of Pathology, Medical Academy of Łódź, 91-141 Łódź, Poland
| | - R. Ciszewski
- Laboratory of Hemostasis, Institute of Pathology, Medical Academy of Łódź, 91-141 Łódź, Poland
| | - G. Bartosz
- Laboratory of Biophysics of Development and Aging, Chair of Biophysics, University of Łódź, Poland
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Rodacka A, Gerszon J, Puchala M, Bartosz G. Radiation-induced inactivation of enzymes – Molecular mechanism based on inactivation of dehydrogenases. Radiat Phys Chem Oxf Engl 1993 2016. [DOI: 10.1016/j.radphyschem.2016.05.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Sadowska-Bartosz I, Galiniak S, Bartosz G, Zuberek M, Grzelak A, Dietrich-Muszalska A. Antioxidant properties of atypical antipsychotic drugs used in the treatment of schizophrenia. Schizophr Res 2016; 176:245-251. [PMID: 27449251 DOI: 10.1016/j.schres.2016.07.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 07/13/2016] [Accepted: 07/13/2016] [Indexed: 01/08/2023]
Abstract
The aim of this study was to compare the antioxidant activities of six atypical antipsychotic drugs: clozapine (CLZ), quetiapine, olanzapine (OLA), risperidone, ziprasidone, aripiprazole (ARI), as well as a typical antipsychotic drug, haloperidol. Several tests of antioxidant activity were used: protection of thiol groups against oxidation by peroxynitrite (PN) and 3-morpholinosydnonimine (SIN-1, generator of PN), oxidation of dihydrorhodamine 123 by PN, SIN-1 and hypochlorite (NaOCl), bleaching of fluorescein fluorescence by PN, 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH, generator of peroxyl radicals) and NaOCl, radical-scavenging activity with respect to 2,2'-azinobis(3-ethylbenzthiazoline-6-sulfonic acid) radical, 2,2-diphenyl-1-picrylhydrazyl free radical and the Ferric Reducing Antioxidant Potential. In most of the tests, OLA showed the highest antioxidant activity, followed by CLZ and in some cases ARI, other compounds being much less active or not active. OLA and CLZ exerted limited toxicity on mouse neuroblastoma Neuro-2A (N2A) cells and protected the cells against the toxic action of SIN-1, AAPH and NaOCl in the physiologically relevant concentration range of these oxidants. Both drugs reduced the PN-induced nitration of intracellular proteins. Given that schizophrenia is associated with oxidative and nitrosative stress, the direct antioxidant activity OLA and CLZ may contribute to the therapeutic action of these compounds.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza St. 4, PL 35-601 Rzeszow, Poland.
| | - Sabina Galiniak
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza St. 4, PL 35-601 Rzeszow, Poland
| | - Grzegorz Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza St. 4, PL 35-601 Rzeszow, Poland; Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska St. 141/143, 90-236 Lodz, Poland
| | - Mariusz Zuberek
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska St. 141/143, 90-236 Lodz, Poland
| | - Agnieszka Grzelak
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska St. 141/143, 90-236 Lodz, Poland
| | - Anna Dietrich-Muszalska
- Department of Biological Psychiatry of the Chair of Experimental and Clinical Physiology, Medical University of Lodz, Mazowiecka St. 6/8, 92-215 Lodz, Poland
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Sadowska-Bartosz I, Bartosz G. Effect of glycation inhibitors on aging and age-related diseases. Mech Ageing Dev 2016; 160:1-18. [PMID: 27671971 DOI: 10.1016/j.mad.2016.09.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 06/30/2016] [Accepted: 09/21/2016] [Indexed: 02/07/2023]
Abstract
Vast evidence supports the view that glycation of proteins is one of the main factors contributing to aging and is an important element of etiopathology of age-related diseases, especially type 2 diabetes mellitus, cataract and neurodegenerative diseases. Counteracting glycation can therefore be a means of increasing both the lifespan and healthspan. In this review, accumulation of glycation products during aging is presented, pathophysiological effects of glycation are discussed and ways of attenuation of the effects of glycation are described, concentrating on prevention of glycation. The effects of glycation and glycation inhibitors on the course of selected age-related diseases, such as Alzheimer's disease, Parkinson's disease and cataract are also reviewed.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza St. 4, 35-604 Rzeszów, Poland.
| | - Grzegorz Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza St. 4, 35-604 Rzeszów, Poland; Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236 Lodz, Poland
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Sadowska-Bartosz I, Grębowski J, Kępka E, Studzian M, Bartosz G, Pułaski Ł. ABCB1-overexpressing MDCK-II cells are hypersensitive to 3-bromopyruvic acid. Life Sci 2016; 162:138-44. [PMID: 27534909 DOI: 10.1016/j.lfs.2016.08.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 08/05/2016] [Accepted: 08/12/2016] [Indexed: 01/19/2023]
Abstract
AIMS Cancer cells, due to the Warburg effect, are more dependent on glycolysis than normal cells, so glycolytic inhibitor 3-bromopyruvic acid (3-BP) was proposed as a promising candidate for anticancer therapy. Overexpression of multidrug transporters is the main reason of resistance of cancer cells to chemotherapy. As the activity of multidrug transporters imposes an energetic burden on the cells, it can be expected that inhibition of ATP generation may exert a selective cytotoxicity to cells overexpressing multidrug transporters. The aim of this study was to compare the effect of 3-BP on the survival and ATP level in MDCK-II cells and MDCK-II cells overexpressing ABCB1 (Pgp) or ABCG2 (BCRP). MAIN METHODS Cell survival was measured with resazurin and with neutral red. ATP level was assayed with luciferin/luciferase kit. Luteolin transport was measured by an original method described in the paper. KEY FINDINGS 3-BP (10-200μM) induced a decrease of ATP level after 1-h incubation in all cell lines studied, more drastically in ABCB1-overexpressing cells. 50 and 200μM 3-BP significantly decreased cell viability; the effect was more pronounced for ABCB1-overexpressing cells. PSC833, inhibitor of ABCB1, ameliorated the toxic effect of 3-BP on MDCK-II ABCB1 cells and MDCK-II cells. 3-BP inhibited luteolin transport in MDCK-II ABCG2 cells. SIGNIFICANCE These results indicate that 3-BP shows selective toxicity against ABCB1- but not ABCG2-overexpressing cells, apparently due to enhanced ATP depletion but in a manner independent of the transport activity of Pgp, suggesting a novel mechanism of hypersensitivity of ABCB1-overexpressing cells to 3-BP.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland.
| | - Jacek Grębowski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Ewa Kępka
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Maciej Studzian
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Grzegorz Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland; Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Łukasz Pułaski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; Laboratory of Transcriptional Regulation, Institute of Medical Biology of the Polish Academy of Sciences, Lodowa 106, 93-232 Lodz, Poland
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Galiniak S, Bartosz G, Sadowska-Bartosz I. Is Iron Chelation Important in Preventing Glycation of Bovine Serum Albumin in Vitro? Cell Mol Biol Lett 2016; 20:562-70. [PMID: 26146126 DOI: 10.1515/cmble-2015-0033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 06/23/2015] [Indexed: 11/15/2022] Open
Abstract
The role of metal (especially) iron ions has been postulated to play a prominent role in protein glycation, suggesting antiglycating effectiveness of metal chelators. However, this rule may not apply to all model glycation systems. We found that metal chelators are not effective in prevention of glycation of bovine serum albumin (BSA) in vitro, and there is no correlation between the antiglycating effects of 32 compounds and their iron chelation activity as measured with the ferrozine test. These data indicate that the glycation of BSA in vitro is iron-independent and is not a proper system to study the role of metals in protein glycation.
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Grebowski J, Studzian M, Bartosz G, Pulaski L. Leishmania tarentolae as a host for heterologous expression of functional human ABCB6 transporter. Biochim Biophys Acta 2016; 1858:2617-2624. [PMID: 27349731 DOI: 10.1016/j.bbamem.2016.06.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 06/13/2016] [Accepted: 06/22/2016] [Indexed: 11/18/2022]
Abstract
The need for large amounts of reproducibly produced and isolated protein arises not only in structural studies, but even more so in biochemical ones, and with regard to ABC transporters it is especially pressing when faced with the prospect of enzymatic/transport activity studies, substrate screening etc. Thus, reliable heterologous expression systems/model organisms for large and complex proteins are at a premium. We have verified the applicability of the recently established novel eukaryotic expression system, using Leishmania tarentolae as a host, for human ABC protein overexpression. We succeeded in overexpressing human ABCB6, a protein with controversial subcellular localization and multiple proposed cellular functions. We were able to demonstrate its efficient expression in the expected subcellular locations as well as biochemical activity of the overexpressed protein (ATPase activity and porphyrin-like substrate transport). This activity was absent in cells overexpressing the catalytically inactive variant of ABCB6 (K629M). We demonstrate the possibility of applying a cost-effective expression system to study the activity of membrane transporters from the ABC superfamily.
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Affiliation(s)
- Jacek Grebowski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland
| | - Maciej Studzian
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland
| | - Lukasz Pulaski
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland.
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Kwiatkowska E, Wojtala M, Gajewska A, Soszyński M, Bartosz G, Sadowska-Bartosz I. Effect of 3-bromopyruvate acid on the redox equilibrium in non-invasive MCF-7 and invasive MDA-MB-231 breast cancer cells. J Bioenerg Biomembr 2015; 48:23-32. [PMID: 26715289 DOI: 10.1007/s10863-015-9637-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 12/17/2015] [Indexed: 01/12/2023]
Abstract
Novel approaches to cancer chemotherapy employ metabolic differences between normal and tumor cells, including the high dependence of cancer cells on glycolysis ("Warburg effect"). 3-Bromopyruvate (3-BP), inhibitor of glycolysis, belongs to anticancer drugs basing on this principle. 3-BP was tested for its capacity to kill human non-invasive MCF-7 and invasive MDA-MB-231 breast cancer cells. We found that 3-BP was more toxic for MDA-MB-231 cells than for MCF-7 cells. In both cell lines, a statistically significant decrease of ATP and glutathione was observed in a time- and 3-BP concentration-dependent manner. Transient increases in the level of reactive oxygen species and reactive oxygen species was observed, more pronounced in MCF-7 cells, followed by a decreasing tendency. Activities of glutathione peroxidase, glutathione reductase (GR) and glutathione S-transferase (GST) decreased in 3-BP treated MDA-MB-231 cells. For MCF-7 cells decreases of GR and GST activities were noted only at the highest concentration of 3-BP.These results point to induction of oxidative stress by 3-BP via depletion of antioxidants and inactivation of antioxidant enzymes, more pronounced in MDA-MB-231 cells, more sensitive to 3-BP.
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Affiliation(s)
- Ewa Kwiatkowska
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Martyna Wojtala
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Agnieszka Gajewska
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Mirosław Soszyński
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Grzegorz Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza 4, 35-601, Rzeszów, Poland
| | - Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, Faculty of Biology and Agriculture, University of Rzeszów, Zelwerowicza 4, 35-601, Rzeszów, Poland.
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