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Crawford RA, Gilardoni E, Monroe TB, Regazzoni L, Anderson EJ, Doorn JA. Characterization of Catecholaldehyde Adducts with Carnosine and l-Cysteine Reveals Their Potential as Biomarkers of Catecholaminergic Stress. Chem Res Toxicol 2021; 34:2184-2193. [PMID: 34506109 PMCID: PMC8527522 DOI: 10.1021/acs.chemrestox.1c00153] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
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Monoamine oxidase
(MAO) catalyzes the oxidative deamination of
dopamine and norepinephrine to produce 3,4-dihydroxyphenylacetaldehyde
(DOPAL) and 3,4-dihydroxyphenylglycolaldehyde (DOPEGAL), respectively.
Both of these aldehydes are potently cytotoxic and have been implicated
in pathogenesis of neurodegenerative and cardiometabolic disorders.
Previous work has demonstrated that both the catechol and aldehyde
moieties of DOPAL are reactive and cytotoxic via their propensity
to cause macromolecular cross-linking. With certain amines, DOPAL
likely reacts via a Schiff base before oxidative activation of the
catechol and rearrangement to a stable indole product. Our current
work expands on this reactivity and includes the less-studied DOPEGAL.
Although we confirmed that antioxidants mediated DOPAL’s reactivity
with carnosine and N-acetyl-l-lysine, antioxidants
had no effect on reactivity with l-cysteine. Therefore, we
propose a non-oxidative mechanism where, following Schiff base formation,
the thiol of l-cysteine reacts to form a thiazolidine. Similarly,
we demonstrate that DOPEGAL forms a putative thiazolidine conjugate
with l-cysteine. We identified and characterized both l-cysteine conjugates via HPLC-MS and additionally identified
a DOPEGAL adduct with carnosine, which is likely an Amadori product.
Furthermore, we were able to demonstrate that these conjugates are
produced in biological systems via MAO after treatment of the cell
lysate with norepinephrine or dopamine along with the corresponding
nucleophiles (i.e., l-cysteine and carnosine). As it has
been established that metabolic and oxidative stress leads to increased
MAO activity and accumulation of DOPAL and DOPEGAL, it is conceivable
that conjugation of these aldehydes to carnosine or l-cysteine
is a newly identified detoxification pathway. Furthermore, the ability
to characterize these adducts via analytical techniques reveals their
potential for use as biomarkers of dopamine or norepinephrine metabolic
disruption.
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Affiliation(s)
- Rachel A Crawford
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, University of Iowa, 180 South Grand Avenue, Iowa City, Iowa 52242, United States
| | - Ettore Gilardoni
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, University of Iowa, 180 South Grand Avenue, Iowa City, Iowa 52242, United States.,Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, Milan 20133, Italy
| | - T Blake Monroe
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, University of Iowa, 180 South Grand Avenue, Iowa City, Iowa 52242, United States
| | - Luca Regazzoni
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, Milan 20133, Italy
| | - Ethan J Anderson
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, University of Iowa, 180 South Grand Avenue, Iowa City, Iowa 52242, United States.,Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa City, Iowa 52242, United States
| | - Jonathan A Doorn
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, University of Iowa, 180 South Grand Avenue, Iowa City, Iowa 52242, United States
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2
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Crawford RA, Bowman KR, Cagle BS, Doorn JA. In vitro inhibition of glutathione-S-transferase by dopamine and its metabolites, 3,4-dihydroxyphenylacetaldehyde and 3,4-dihydroxyphenylacetic acid. Neurotoxicology 2021; 86:85-93. [PMID: 34314733 DOI: 10.1016/j.neuro.2021.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 02/06/2023]
Abstract
Parkinson's disease is characterized by dopamine dyshomeostasis and oxidative stress. The aldehyde metabolite of dopamine, 3,4-dihydroxyphenylacetaldehyde (DOPAL), has been reported to be cytotoxic and capable of protein modification. Protein modification by DOPAL has been implicated in the pathogenesis of Parkinson's disease, but the complete pathology is unknown. Our findings show that DOPAL modifies glutathione S-transferase (GST), an important enzyme in the antioxidant defense system. DOPAL, dopamine, and the metabolite 3,4-dihydroxyphenylacetic acid (DOPAC), inhibited the activity of GST isolated from N27 dopaminergic cells at an IC50 of 31.46 μM, 82.32 μM, and 260.0 μM, respectively. DOPAL, dopamine, and DOPAC inhibited commercially available equine liver GST at an IC50 of 23.72 μM, 32.17 μM, and 73.70 μM, respectively. This inhibition was time dependent and irreversible. 1 mM ʟ-cysteine or glutathione fully protected GST activity from DOPAL, DA, and DOPAC inhibition. 1 mM carnosine partially protected GST activity from DA inhibition. Furthermore, ʟ-cysteine was found to protect GST by forming a putative thiazolidine conjugate with DOPAL. We conclude that GST inactivation may be a part of the broader etiopathology of Parkinson's disease.
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Affiliation(s)
- Rachel A Crawford
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Kate R Bowman
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Brianna S Cagle
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Jonathan A Doorn
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States.
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3
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Landmesser A, Scherer G, Pluym N, Niessner R, Scherer M. A novel quantification method for sulfur-containing biomarkers of formaldehyde and acetaldehyde exposure in human urine and plasma samples. Anal Bioanal Chem 2020; 412:7535-7546. [PMID: 32840653 DOI: 10.1007/s00216-020-02888-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/23/2020] [Accepted: 08/14/2020] [Indexed: 12/25/2022]
Abstract
A novel method for the quantification of the sulfur-containing metabolites of formaldehyde (thiazolidine carboxylic acid (TCA) and thiazolidine carbonyl glycine (TCG)) and acetaldehyde (methyl thiazolidine carboxylic acid (MTCA) and methyl thiazolidine carbonyl glycine (MTCG)) was developed and validated for human urine and plasma samples. Targeting the sulfur-containing metabolites of formaldehyde and acetaldehyde in contrast to the commonly used biomarkers formate and acetate overcomes the high intra- and inter-individual variance. Due to their involvement in various endogenous processes, formate and acetate lack the required specificity for assessing the exposure to formaldehyde and acetaldehyde, respectively. Validation was successfully performed according to FDA's Guideline for Bioanalytical Method Validation (2018), showing excellent performance with regard to accuracy, precision, and limits of quantification (LLOQ). TCA, TCG, and MTCG proved to be stable under all investigated conditions, whereas MTCA showed a depletion after 21 months. The method was applied to a set of pilot samples derived from smokers who consumed unfiltered cigarettes spiked with 13C-labeled propylene glycol and 13C-labeled glycerol. These compounds were used as potential precursors for the formation of 13C-formaldehyde and 13C-acetaldehyde during combustion. Plasma concentrations were significantly lower as compared to urine, suggesting urine as suitable matrix for a biomonitoring. A smoking-related increase of unlabeled biomarker concentrations could not be shown due to the ubiquitous distribution in the environment. While the metabolites of 13C-acetaldehyde were not detected, the described method allowed for the quantification of 13C-formaldehyde uptake from cigarette smoking by targeting the biomarkers 13C-TCA and 13C-TCG in urine.Graphical abstract.
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Affiliation(s)
- Anne Landmesser
- ABF Analytisch-Biologisches Forschungslabor GmbH, Semmelweisstrasse 5, 82152, Planegg, Germany.,Chair for Analytical Chemistry, Technische Universität München, Marchioninistraße, 81377, Munich, Germany
| | - Gerhard Scherer
- ABF Analytisch-Biologisches Forschungslabor GmbH, Semmelweisstrasse 5, 82152, Planegg, Germany
| | - Nikola Pluym
- ABF Analytisch-Biologisches Forschungslabor GmbH, Semmelweisstrasse 5, 82152, Planegg, Germany
| | - Reinhard Niessner
- Chair for Analytical Chemistry, Technische Universität München, Marchioninistraße, 81377, Munich, Germany
| | - Max Scherer
- ABF Analytisch-Biologisches Forschungslabor GmbH, Semmelweisstrasse 5, 82152, Planegg, Germany.
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4
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Pietzke M, Burgos-Barragan G, Wit N, Tait-Mulder J, Sumpton D, Mackay GM, Patel KJ, Vazquez A. Amino acid dependent formaldehyde metabolism in mammals. Commun Chem 2020; 3:78. [PMID: 36703413 PMCID: PMC9814826 DOI: 10.1038/s42004-020-0324-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 05/27/2020] [Indexed: 01/29/2023] Open
Abstract
Aldehyde dehydrogenase class 3, encoded by ADH5 in humans, catalyzes the glutathione dependent detoxification of formaldehyde. Here we show that ADH5 deficient cells turn over formaldehyde using alternative pathways starting from the reaction of formaldehyde with free amino acids. When mammalian cells are exposed to formaldehyde, the levels of the reaction products of formaldehyde with the amino acids cysteine and histidine - timonacic and spinacine - are increased. These reactions take place spontaneously and the formation of timonacic is reversible. The levels of timonacic are higher in the plasma of Adh5-/- mice relative to controls and they are further increased upon administration of methanol. We conclude that mammals possess pathways of cysteine and histidine dependent formaldehyde metabolism and that timonacic is a formaldehyde reservoir.
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Affiliation(s)
- Matthias Pietzke
- Cancer Research UK Beatson Institute, Switchback Road, Bearsden, Glasgow, G61 1BD, UK
| | - Guillermo Burgos-Barragan
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Niek Wit
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK
| | | | - David Sumpton
- Cancer Research UK Beatson Institute, Switchback Road, Bearsden, Glasgow, G61 1BD, UK
| | - Gillian M Mackay
- Cancer Research UK Beatson Institute, Switchback Road, Bearsden, Glasgow, G61 1BD, UK
| | - Ketan J Patel
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK
- University of Cambridge, Department of Medicine, Addenbrooke's Hospital, Cambridge, CB2 2QQ, UK
| | - Alexei Vazquez
- Cancer Research UK Beatson Institute, Switchback Road, Bearsden, Glasgow, G61 1BD, UK.
- Institute of Cancer Sciences, University of Glasgow, Switchback Road, Bearsden, Glasgow, G61 1QH, UK.
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5
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Casin KM, Kohr MJ. An emerging perspective on sex differences: Intersecting S-nitrosothiol and aldehyde signaling in the heart. Redox Biol 2020; 31:101441. [PMID: 32007450 PMCID: PMC7212482 DOI: 10.1016/j.redox.2020.101441] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 01/20/2020] [Accepted: 01/22/2020] [Indexed: 12/17/2022] Open
Abstract
Cardiovascular disease is the leading cause of the death for both men and women. Although baseline heart physiology and the response to disease are known to differ by sex, little is known about sex differences in baseline molecular signaling, especially with regard to redox biology. In this review, we describe current research on sex differences in cardiac redox biology with a focus on the regulation of nitric oxide and aldehyde signaling. Furthermore, we argue for a new perspective on cardiovascular sex differences research, one that focuses on baseline redox biology without the elimination or disruption of sex hormones.
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Affiliation(s)
- Kevin M Casin
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, 21205, USA
| | - Mark J Kohr
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, 21205, USA.
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6
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Biochemical characterization of the catecholaldehyde reactivity of L-carnosine and its therapeutic potential in human myocardium. Amino Acids 2018; 51:97-102. [PMID: 30191330 DOI: 10.1007/s00726-018-2647-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 08/28/2018] [Indexed: 01/28/2023]
Abstract
Oxidative deamination of norepinephrine (NE) and dopamine (DA) by monoamine oxidase (MAO) generates the catecholaldehydes 3,4-dihydroxyphenylglycolaldehyde (DOPEGAL) and 3,4-dihydroxyphenylacetaldehyde (DOPAL), respectively, and H2O2. Catecholaldehydes are highly reactive electrophiles that have been implicated as causal factors in the etiology of neurodegenerative diseases and cardiac injury from ischemia and diabetes. The reactivity of both catechol and aldehyde groups enables the catecholaldehdyes to cross-link proteins and other biological molecules. Carnosine is a β-alanyl-histidine dipeptide found in millimolar concentrations in brain and myocardium. It is well known to detoxify aldehydes formed from oxidized lipids and sugars, yet the reactivity of carnosine with catecholaldehydes has never been reported. Here, we investigated the ability of carnosine to form conjugates with DOPAL and DOPEGAL. Both catecholaldehydes were highly reactive towards L-cysteine (L-Cys), as well as carnosine; however, glutathione (GSH) showed essentially no reactivity towards DOPAL. In contrast, GSH readily reacted with the lipid peroxidation product 4-hydroxy-2-nonenal (4HNE), while carnosine showed low reactivity to 4HNE by comparison. To determine whether carnosine mitigates catecholaldehyde toxicity, samples of atrial myocardium were collected from patients undergoing elective cardiac surgery. Using permeabilized myofibers prepared from this tissue, mitochondrial respiration analysis revealed a concentration-dependent decrease in ADP-stimulated respiration with DOPAL. Pre-incubation with carnosine, but not GSH or L-Cys, significantly reduced this effect (p < 0.05). Carnosine was also able to block formation of catecholaldehyde protein adducts in isolated human cardiac mitochondria treated with NE. These findings demonstrate the unique reactivity of carnosine towards catecholaldehydes and, therefore, suggest a novel and distinct biological role for histidine dipeptides in this detoxification reaction. The therapeutic potential of carnosine in diseases associated with catecholamine-related toxicity is worthy of further examination.
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7
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Arginine Thiazolidine Carboxylate Stimulates Insulin Secretion through Production of Ca2+-Mobilizing Second Messengers NAADP and cADPR in Pancreatic Islets. PLoS One 2015; 10:e0134962. [PMID: 26247205 PMCID: PMC4527757 DOI: 10.1371/journal.pone.0134962] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 07/16/2015] [Indexed: 02/07/2023] Open
Abstract
Oxothiazolidine carboxylic acid is a prodrug of cysteine that acts as an anti-diabetic agent via insulin secretion and the formation of the Ca2+-mobilizing second messenger, cyclic ADP-ribose (cADPR). Here we show that a hybrid compound, arginine thiazolidine carboxylate (ATC), increases cytoplasmic Ca2+ in pancreatic β-cells, and that the ATC-induced Ca2+ signals result from the sequential formation of two Ca2+-mobilizing second messengers: nicotinic acid adenine dinucleotide phosphate (NAADP) and cADPR. Our data demonstrate that ATC has potent insulin-releasing properties, due to the additive action of its two components; thiazolidine carboxylate (TC) and L-arginine. TC increases glutathione (GSH) levels, resulting in cAMP production, followed by a cascade pathway of NAADP/nitric oxide (NO)/cGMP/cADPR synthesis. L-arginine serves as the substrate for NO synthase (NOS), which results in cADPR synthesis via cGMP formation. Neuronal NOS is specifically activated in pancreatic β-cells upon ATC treatment. These results suggest that ATC is an ideal candidate as an anti-diabetic, capable of modulating the physiological Ca2+ signalling pathway to stimulate insulin secretion.
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8
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Mass spectrometric analysis of L-cysteine metabolism: physiological role and fate of L-cysteine in the enteric protozoan parasite Entamoeba histolytica. mBio 2014; 5:e01995. [PMID: 25370494 PMCID: PMC4222106 DOI: 10.1128/mbio.01995-14] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
l-Cysteine is essential for virtually all living organisms, from bacteria to higher eukaryotes. Besides having a role in the synthesis of virtually all proteins and of taurine, cysteamine, glutathione, and other redox-regulating proteins, l-cysteine has important functions under anaerobic/microaerophilic conditions. In anaerobic or microaerophilic protozoan parasites, such as Entamoeba histolytica, l-cysteine has been implicated in growth, attachment, survival, and protection from oxidative stress. However, a specific role of this amino acid or related metabolic intermediates is not well understood. In this study, using stable-isotope-labeled l-cysteine and capillary electrophoresis-time of flight mass spectrometry, we investigated the metabolism of l-cysteine in E. histolytica. [U-13C3, 15N]l-cysteine was rapidly metabolized into three unknown metabolites, besides l-cystine and l-alanine. These metabolites were identified as thiazolidine-4-carboxylic acid (T4C), 2-methyl thiazolidine-4-carboxylic acid (MT4C), and 2-ethyl-thiazolidine-4-carboxylic acid (ET4C), the condensation products of l-cysteine with aldehydes. We demonstrated that these 2-(R)-thiazolidine-4-carboxylic acids serve for storage of l-cysteine. Liberation of l-cysteine occurred when T4C was incubated with amebic lysates, suggesting enzymatic degradation of these l-cysteine derivatives. Furthermore, T4C and MT4C significantly enhanced trophozoite growth and reduced intracellular reactive oxygen species (ROS) levels when it was added to cultures, suggesting that 2-(R)-thiazolidine-4-carboxylic acids are involved in the defense against oxidative stress. Amebiasis is a human parasitic disease caused by the protozoan parasite Entamoeba histolytica. In this parasite, l-cysteine is the principal low-molecular-weight thiol and is assumed to play a significant role in supplying the amino acid during trophozoite invasion, particularly when the parasites move from the anaerobic intestinal lumen to highly oxygenated tissues in the intestine and the liver. It is well known that E. histolytica needs a comparatively high concentration of l-cysteine for its axenic cultivation. However, the reason for and the metabolic fate of l-cysteine in this parasite are not well understood. Here, using a metabolomic and stable-isotope-labeled approach, we investigated the metabolic fate of this amino acid in these parasites. We found that l-cysteine inside the cell rapidly reacts with aldehydes to form 2-(R)-thiazolidine-4-carboxylic acid. We showed that these 2-(R)-thiazolidine-4-carboxylic derivatives serve as an l-cysteine source, promote growth, and protect cells against oxidative stress by scavenging aldehydes and reducing the ROS level. Our findings represent the first demonstration of 2-(R)-thiazolidine-4-carboxylic acids and their roles in protozoan parasites.
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9
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Endogenous synthesis of 2-aminoacrylate contributes to cysteine sensitivity in Salmonella enterica. J Bacteriol 2014; 196:3335-42. [PMID: 25002544 DOI: 10.1128/jb.01960-14] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
RidA, the archetype member of the widely conserved RidA/YER057c/UK114 family of proteins, prevents reactive enamine/imine intermediates from accumulating in Salmonella enterica by catalyzing their hydrolysis to stable keto acid products. In the absence of RidA, endogenous 2-aminoacrylate persists in the cellular environment long enough to damage a growing list of essential metabolic enzymes. Prior studies have focused on the dehydration of serine by the pyridoxal 5'-phosphate (PLP)-dependent serine/threonine dehydratases, IlvA and TdcB, as sources of endogenous 2-aminoacrylate. The current study describes an additional source of endogenous 2-aminoacrylate derived from cysteine. The results of in vivo analysis show that the cysteine sensitivity of a ridA strain is contingent upon CdsH, the predominant cysteine desulfhydrase in S. enterica. The impact of cysteine on 2-aminoacrylate accumulation is shown to be unaffected by the presence of serine/threonine dehydratases, revealing another mechanism of endogenous 2-aminoacrylate production. Experiments in vitro suggest that 2-aminoacrylate is released from CdsH following cysteine desulfhydration, resulting in an unbound aminoacrylate substrate for RidA. This work expands our understanding of the role played by RidA in preventing enamine stress resulting from multiple normal metabolic processes.
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10
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Occurrence of 2-methylthiazolidine-4-carboxylic acid, a condensation product of cysteine and acetaldehyde, in human blood as a consequence of ethanol consumption. Anal Bioanal Chem 2012; 404:1779-87. [DOI: 10.1007/s00216-012-6255-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Revised: 07/19/2012] [Accepted: 08/02/2012] [Indexed: 11/26/2022]
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11
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Sulfur-containing antioxidants increase in vitro several functions of lymphocytes from mice. Int Immunopharmacol 2011; 11:661-9. [DOI: 10.1016/j.intimp.2011.01.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2010] [Revised: 01/09/2011] [Accepted: 01/10/2011] [Indexed: 02/07/2023]
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12
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Crystal structures of (2R,4R)-2-(polyhydroxyalkyl)-1,3-thiazolidine-4-carboxylic acids: condensation products of l-cysteine with d-hexoses. Carbohydr Res 2011; 346:127-32. [DOI: 10.1016/j.carres.2010.10.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Revised: 10/20/2010] [Accepted: 10/25/2010] [Indexed: 11/18/2022]
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13
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Sani M, Gadacha W, Sebaï H, Boughattas NA, Attia MB. 12-hour phase-shift of mice kidney rhodanese (thiosulfate sulfurtransferase) activity in the first two months of life. BIOL RHYTHM RES 2008. [DOI: 10.1080/09291010701424812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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14
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Herrera F, Martin V, García-Santos G, Rodriguez-Blanco J, Antolín I, Rodriguez C. Melatonin prevents glutamate-induced oxytosis in the HT22 mouse hippocampal cell line through an antioxidant effect specifically targeting mitochondria. J Neurochem 2007; 100:736-46. [PMID: 17263795 DOI: 10.1111/j.1471-4159.2006.04228.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The pineal hormone melatonin has neuroprotective effects in a large number of models of neurodegeneration. Melatonin crosses the blood-brain barrier, shows a decrease in its nocturnal peaks in blood with age that has been associated with the development of neurodegenerative disorders, and has been shown to be harmless at high concentrations. These properties make melatonin a potential therapeutic agent against neurodegenerative disorders but the pathways involved in such neuroprotective effects remain unknown. In the present report we study the intracellular pathways implicated in the complete neuroprotection provided by melatonin against glutamate-induced oxytosis in the HT22 mouse hippocampal cell line. Our results strongly suggest that melatonin prevents oxytosis through a direct antioxidant effect specifically targeted at the mitochondria. Firstly, none of the described transducers of melatonin signalling seems to be implicated in the neuroprotection provided by this indole. Secondly, melatonin does not prevent cytosolic GSH depletion-dependent increase in reactive oxygen species (ROS), but it totally prevents mitochondrial ROS production despite the fact that the latter is much higher than the former. And finally, there is a high correlation between the concentration at which melatonin and closely related indoles exert a direct antioxidant effect in vitro and a neuroprotective effect against glutamate-induced oxytosis.
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Affiliation(s)
- Federico Herrera
- Departamento de Morfología y Biología Celular and Instituto Universitario de Oncología del Principado de Asturias, Facultad de Medicina, Oviedo, Spain
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15
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Navarro A, Sánchez-Pino MJ, Gómez C, Bández MJ, Cadenas E, Boveris A. Dietary thioproline decreases spontaneous food intake and increases survival and neurological function in mice. Antioxid Redox Signal 2007; 9:131-41. [PMID: 17115892 DOI: 10.1089/ars.2007.9.131] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Male mice on a diet supplemented with thioproline (l-thiazolidine-4-carboxylic acid), a physiological metabolite of 5-hydroxytryptamine, at 2.0 g/kg of food from 28 weeks of age and for their entire life, showed a 23-29% increased median and maximal life span. These survival increases were associated with improved neurological functions. Compared to control mice, thioproline-supplemented mice had a 20% lower integral spontaneous food intake, and 10% lower body weight at 100 weeks of age. Body weight showed a statistically significant inverse relationship with survival and neurological performances. Thioproline-supplemented mice exhibited a 58-70% decrease of the age-dependent oxidative damage in brain and liver mitochondria at 52 weeks (old mice) and 78 weeks (senescent mice) of age, respectively. The age-associated decrease of brain mitochondrial enzyme activities, NADH-dehydrogenase, cytochrome c oxidase, and mitochondrial nitric oxide synthase (mtNOS), in old and senescent mice were markedly prevented (51-74%) by thioproline. In vitro, thioproline neither exhibited direct antioxidant activity nor had any effect on the electron transfer or mtNOS functional activities of brain and liver mitochondria. It is surmised that thioproline induces an anorexic effect associated with improved survival and neurological function through a decreased oxidative damage and regulation that may involve hypothalamic appetite centers.
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Affiliation(s)
- Ana Navarro
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Cádiz, Cádiz, Spain.
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16
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Miquel J, Ramírez-Boscá A, Ramírez-Bosca JV, Alperi JD. Menopause: a review on the role of oxygen stress and favorable effects of dietary antioxidants. Arch Gerontol Geriatr 2006; 42:289-306. [PMID: 16442644 DOI: 10.1016/j.archger.2005.08.005] [Citation(s) in RCA: 88] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2005] [Revised: 08/11/2005] [Accepted: 08/15/2005] [Indexed: 12/26/2022]
Abstract
Menopause is often accompanied by hot flashes and degenerative processes such as arteriosclerosis and atrophic changes of the skin that suggest an acceleration of aging triggered by estrogen lack. Therefore, hormone replacement therapy (HRT) has been considered the most suitable treatment for the above symptoms and processes. However, because of the possible serious side effects of HRT (especially the increased risk of thrombo-embolic accidents and breast cancer) there is a growing demand for alternative treatments of the symptoms and pathological processes associated with menopause. In agreement with the above, we review research that supports the concept that oxygen stress contributes to menopause and that some of its physiopathological effects may be prevented and/or treated improving the antioxidant defense of menopausic and postmenopausic women. Accordingly, a selection of micronutrients may be useful as a dietary supplement for protection against the decline of physiological functions caused by age-related oxygen stress. Since aging is accompanied by a progressive oxidation of the physiological sulfur pool, we emphasize the role of the vitamins B that help to maintain the GSH/GSSG ratio in its normal reduced state. Nutritional supplements should also include the key antioxidant vitamins C and E, as well as beta-carotene and the mineral micronutrients found in the oxygen radical-detoxifying enzymes glutathione peroxidase and superoxide dismutase. Moreover, the reviewed data suport the concept that other antioxidants such as lipoic acid and the precursors of glutathione thioproline (TP) and l-2-oxothiazolidine-4-carboxylic acid (OTC), as well as the soy isoflavones and the "coantioxidants" of an hydroalcoholic extract of Curcuma longa may help to prevent antioxidant deficiency with resulting protection of mitochondria against premature oxidative damage with loss of ATP synthesis and especialized cellular functions. Therefore, the administration under medical advice of synergistic combinations of some of the above mentioned antioxidants in the diet as well as topically (for skin protection) may have favorable effects on the health and quality of life of women, especially of those who cannot be treated with HR, suffer high levels of oxygen stress, and do not consume a healthy diet that includes five daily rations of fresh fruit and vegetables.
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Affiliation(s)
- Jaime Miquel
- Department of Biotechnology, University of Alicante, San Vicente, Ap. 99, E-03080 Alicante, Spain
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Premanathan M, Arakaki R, Ramanan S, Jinno S, Baba M, Yamashita S, Nakashima H. 3-(5-Dimethylamino-1-naphthalenesulphonyl)-2-(3-pyridyl)thiazolidine (YHI-1) selectively inhibits human immunodeficiency virus type 1. Antivir Chem Chemother 1998; 9:423-30. [PMID: 9875395 DOI: 10.1177/095632029800900506] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
3-(5-Dimethylamino-1-naphthalenesulphonyl)-2-(3-pyridyl)thiazolidi ne (YHI-1), a synthetic analogue of D-cysteinolic acid isolated from sardines (Sardinops melanostictus), was found to be a specific inhibitor of human immunodeficiency virus type 1 (HIV-1) replication in various cell cultures. YHI-1 inhibited HIV-1IIIB replication with a 50% effective concentration (EC50) of 3.35, 10.23 and 4.61 microM in MT-4 cells, peripheral blood mononuclear cells and MAGI-CCR5 cells, respectively. However, no antiviral activity was observed with non-nucleoside reverse transcriptase inhibitor (NNRTI)-resistant HIV-1 strains, such as nevirapine-resistant HIV-1HE/NEV and MKC-442-resistant HIV-1IIIB-R, or with HIV-2ROD or SIVMAC. YHI-1 failed to inhibit reverse transcriptase (RT) activity in vitro with different template-primer systems. Time-of-addition experiments, the failure to inhibit NNRTI-resistant strains and the failure to show in vitro activity against RT suggest that a metabolite of YHI-1 inside the cell acts like an NNRTI. Thus, YHI-1 seems to belong to a new class of HIV-1 inhibitor and is a good candidate for further development.
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Affiliation(s)
- M Premanathan
- Department of Microbiology and Immunology, Kagoshima University Dental School, Japan
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Wlodek L, Rommelspacher H. 2-Methyl-thiazolidine-2,4-dicarboxylic acid as prodrug of L-cysteine. Protection against paracetamol hepatotoxicity in mice. Fundam Clin Pharmacol 1997; 11:454-9. [PMID: 9342599 DOI: 10.1111/j.1472-8206.1997.tb00208.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Toxic doses of paracetamol (acetaminophen) destroy the cellular defense system in hepatic tissue. The degree of the destruction can be assessed be measuring the metabolism of sulfhydryl compounds, oxygen radicals and the release of certain enzymes. Administration of 2-methyl-thiazolidine-2,4-dicarboxylic acid (CP; 1.2 mmol/kg) to mice 12 h prior to a toxic dose of paracetamol (600 mg/kg) suppressed the increase of aminotransferase activities in blood serum and the levels of reactive oxygen species in liver tissue. A protective effect of CP was also observed with respect to depletion of non-protein sulfhydryl compounds, cysteine and glycogen. The findings demonstrate that the cysteine prodrug CP is effective in preventing liver damage of a hepatotoxic dose of paracetamol in vivo. A further advantage of the new compound is the long duration of the effect of more than 12 h.
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Affiliation(s)
- L Wlodek
- Institute of Medical Biochemistry, Jagiellonian University, Collegium Medicum, Kraków, Poland
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Effects of thiazolidine-4(R)-carboxylates and other low-molecular-weight sulfur compounds on the activity of mercaptopyruvate sulfurtransferase, rhodanese and cystathionase in Ehrlich ascites tumor cells and tumor-bearing mouse liver. Amino Acids 1997. [DOI: 10.1007/bf01373011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Włodek L, Wróbel M, Czubak J. Selective effect of 2-(polyhydroxyalkyl)-thiazolidine-4-carboxylic acids on nonprotein sulfhydryl groups in tumor bearing mice. GENERAL PHARMACOLOGY 1996; 27:1373-6. [PMID: 9304409 DOI: 10.1016/s0306-3623(96)00072-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
1. Thiazolidine derivatives (TD), the products of condensation of L-cysteine (cys) with sugars (D-glucose, D-xylose, D-arabinose, D-galactose, and D-mannose), successfully elevated nonprotein sulfhydryl (NPSH) levels in livers of Ehrlich ascites tumor (EAT)-bearing mice. 2. At the same time, TD promoted a significant drop of NPSH in EAT cells. 3. Thus, TD, through their selective influence on the levels of NPSH in liver and cancer cells appear to be promising compounds for anticancer therapy.
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Affiliation(s)
- L Włodek
- Institute of Medical Biochemistry, Collegium Medicum, Jagiellonian University, Kraków, Poland
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Nakata K, Kawase M, Ogino S, Kinoshita C, Murata H, Sakaue T, Ogata K, Ohmori S. Effects of age on levels of cysteine, glutathione and related enzyme activities in livers of mice and rats and an attempt to replenish hepatic glutathione level of mouse with cysteine derivatives. Mech Ageing Dev 1996; 90:195-207. [PMID: 8898313 DOI: 10.1016/0047-6374(96)01771-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
There was a large statistically significant decrease in the hepatic level of cysteine and glutathione (GSH) in 24 month-old mice compared to young mice, while, cystine and glutathione disulfide (GSSG) contents in the liver did not differ between young and old mice. Activities of cystathionine gamma-lyase and beta-synthase in mouse liver of the 24 month-old group were significantly decreased. In rats, the hepatic levels of cysteine, cystine, GSH and GSSG exhibited no statistically significant change during aging to 30 month. As the rats matured, total hepatic activities of both cystathionine gamma-lyase and beta-synthase increased with maximum levels at 24 months of age and decreased to the same level found in 5 week old for the former and to 22% of that in 5 week old for the latter. Intraperitoneal administration of diethyl maleate to mice led to depletion of hepatic GSH. When N-acetylcysteine and a thiazolidine derivative were intravenously injected after diethyl maleate administration, the hepatic GSH level of mice was restored to the normal level.
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Affiliation(s)
- K Nakata
- Faculty of Pharmaceutical Sciences, Okayama University, Japan
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Włodek L, Grabowska A, Marcinkiewicz J. The modulation of IL-2 dependent proliferation of CTLL-2 cells by 2-methyl-thiazolidine-2,4-dicarboxylic acid. IMMUNOPHARMACOLOGY 1995; 30:51-8. [PMID: 7591713 DOI: 10.1016/0162-3109(95)00004-d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
It is known that cysteine and other thiol compounds are able to modulate the immune response. The extracellular concentration of cysteine was shown to determine the intracellular level of glutathione (GSH). Thus cysteine, by enhancing GSH production, is able to affect some T-cell functions like IL-2 dependent cell proliferation and the generation of cytotoxic T cells. However, physiologically blood plasma cysteine is maintained at a very low concentration. The use of cysteine as a therapeutic compound in vivo is strongly limited due to its cytotoxicity. Recent studies demonstrate that N-acetyl-cysteine (NAC) as well as a variety of thiazolidine derivatives (TDs), which are the products of the reaction of L-cysteine with carbonyl compounds, could serve as a 'delivery' system for cysteine into the cell. In the present study, we have shown that 2-methyl-thiazolidine-2,4,-dicarboxylic acid (CP), the product of condensation of L-cysteine and pyruvate, strongly increases the proliferation of one particular cell line, IL-2 dependent CTLL-2 cells. We have also shown that this compound significantly increases the intracellular level of non-protein sulfhydryls (NPSH), but we did not find any correlation between NPSH levels and cell viability and proliferation. In contrast to CP, free cysteine showed its toxic properties by affecting cell viability of different cell lines and also by cancelling the influence of CP on the proliferation of CTLL cells.
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Affiliation(s)
- L Włodek
- Department of Immunology, Jagiellonian University Medical College, Cracow, Poland
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Susilo R. [Metabolites of indoleamine neurotransmitters: key substances in alcoholism?]. PHARMAZIE IN UNSERER ZEIT 1994; 23:303-311. [PMID: 7972276 DOI: 10.1002/pauz.19940230509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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