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Journal articles on the topic 'Nitrosation of tryptophan'

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1

Peyrot, Fabienne, and Claire Ducrocq. "Nitrosation ofN-Terminally Blocked Tryptophan and Tryptophan-Containing Peptides by Peroxynitrite." ChemBioChem 8, no. 2 (2007): 217–23. http://dx.doi.org/10.1002/cbic.200600385.

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2

Suzuki, Toshinori, Yoshiko Ninomiya, and Michiyo Inukai. "Effects of 8-Oxo-dGuo on S-Nitrosation of Cysteine and N-Nitrosation of Tryptophan." Genes and Environment 35, no. 1 (2013): 21–26. http://dx.doi.org/10.3123/jemsge.35.21.

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3

Zhang, Ying-Yi, Ai-Ming Xu, Miguel Nomen, Mary Walsh, John F. Keaney, and Joseph Loscalzo. "Nitrosation of Tryptophan Residue(s) in Serum Albumin and Model Dipeptides." Journal of Biological Chemistry 271, no. 24 (1996): 14271–79. http://dx.doi.org/10.1074/jbc.271.24.14271.

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4

Kirsch, Michael, Anke Fuchs, and Herbert de Groot. "Regiospecific Nitrosation of N-terminal-blocked Tryptophan Derivatives by N2O3at Physiological pH." Journal of Biological Chemistry 278, no. 14 (2003): 11931–36. http://dx.doi.org/10.1074/jbc.m300237200.

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5

de La Pomélie, Diane, Véronique Santé-Lhoutellier, and Philippe Gatellier. "Mechanisms and kinetics of tryptophan N-nitrosation in a gastro-intestinal model." Food Chemistry 218 (March 2017): 487–95. http://dx.doi.org/10.1016/j.foodchem.2016.08.131.

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6

Suzuki, Toshinori, Howard F. Mower, Marlin D. Friesen, Isabelle Gilibert, Tomohiro Sawa, and Hiroshi Ohshima. "Nitration and nitrosation of N-acetyl-l-tryptophan and tryptophan residues in proteins by various reactive nitrogen species." Free Radical Biology and Medicine 37, no. 5 (2004): 671–81. http://dx.doi.org/10.1016/j.freeradbiomed.2004.05.030.

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7

Sonnenschein, Kristina, Herbert de Groot, and Michael Kirsch. "Formation ofS-Nitrosothiols from Regiospecific Reaction of Thiols withN-Nitrosotryptophan Derivatives." Journal of Biological Chemistry 279, no. 44 (2004): 45433–40. http://dx.doi.org/10.1074/jbc.m405987200.

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S-nitrosothiols transport nitric oxidein vivo, and so-called transnitrosation reactions (i.e.the transfer of the nitroso function from nitrosothiol to thiolate) are believed to be involved in this process. In the present study we examined theN-nitrosotryptophan derivative-dependent nitrosation of thiols, a hitherto ignored possibility for the formation ofS-nitrosothiols. The corresponding products were identified by15N-NMR spectrometry. The fact that the reaction proceeded under hypoxic conditions as well as in non-aqueous solution strongly indicated the occurrence of a transnitrosation reacti
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8

Keuleyan, Eléna, Aline Bonifacie, Philippe Gatellier, et al. "Design of an In Vitro Model to Screen the Chemical Reactivity Induced by Polyphenols and Vitamins during Digestion: An Application to Processed Meat." Foods 10, no. 9 (2021): 2230. http://dx.doi.org/10.3390/foods10092230.

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Processed meats’ nutritional quality may be enhanced by bioactive vegetable molecules, by preventing the synthesis of nitrosamines from N-nitrosation, and harmful aldehydes from lipid oxidation, through their reformulation. Both reactions occur during digestion. The precise effect of these molecules during processed meats’ digestion must be deepened to wisely select the most efficient vegetable compounds. The aim of this study was to design an in vitro experimental method, allowing to foresee polyphenols and vitamins’ effects on the chemical reactivity linked to processed meats’ digestion. The
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9

Kwon, Young-Man, and Bernard Weiss. "Production of 3-Nitrosoindole Derivatives by Escherichia coli during Anaerobic Growth." Journal of Bacteriology 191, no. 17 (2009): 5369–76. http://dx.doi.org/10.1128/jb.00586-09.

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ABSTRACT When Escherichia coli K-12 is grown anaerobically in medium containing tryptophan and sodium nitrate, it produces red compounds. The reaction requires functional genes for trytophanase (tnaA), a tryptophan permease (tnaB), and a nitrate reductase (narG), as well as a natural drop in the pH of the culture. Mass spectrometry revealed that the purified chromophores had mass/charge ratios that closely match those for indole red, indoxyl red, and an indole trimer. These compounds are known products of chemical reactions between indole and nitrous acid. They are derived from an initial reac
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10

Harohalli, Krishna, Charles E. Petersen, Chung-Eun Ha, Jimmy B. Feix, and Nadhipuram V. Bhagavan. "Site-directed mutagenesis studies of human serum albumin define tryptophan at amino acid position 214 as the principal site for nitrosation." Journal of Biomedical Science 9, no. 1 (2002): 47–58. http://dx.doi.org/10.1007/bf02256578.

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11

Choromańska, Barbara, Piotr Myśliwiec, Magdalena Łuba, et al. "Bariatric Surgery Normalizes Protein Glycoxidation and Nitrosative Stress in Morbidly Obese Patients." Antioxidants 9, no. 11 (2020): 1087. http://dx.doi.org/10.3390/antiox9111087.

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The results of recent studies indicate the key role of nitrosative stress and protein oxidative damage in the development of morbid obesity. Nevertheless, the effect of bariatric surgery on protein oxidation/glycation and nitrosative/nitrative stress is not yet known. This is the first study evaluating protein glycoxidation and protein nitrosative damage in morbidly obese patients before and after (one, three, six and twelve months) laparoscopic sleeve gastrectomy. The study included 50 women with morbid obesity as well as 50 age- and gender-matched healthy controls. We demonstrated significan
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12

Sári, Zsanett, Edit Mikó, Tünde Kovács, et al. "Indoxylsulfate, a Metabolite of the Microbiome, Has Cytostatic Effects in Breast Cancer via Activation of AHR and PXR Receptors and Induction of Oxidative Stress." Cancers 12, no. 10 (2020): 2915. http://dx.doi.org/10.3390/cancers12102915.

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Changes to bacterial metabolite-elicited signaling, in oncobiosis associated with breast cancer, plays a role in facilitating the progression of the disease. We show that indoxyl-sulfate (IS), a tryptophan metabolite, has cytostatic properties in models of breast cancer. IS supplementation, in concentrations corresponding to the human serum reference range, suppressed tumor infiltration to the surrounding tissues and metastasis formation in a murine model of breast cancer. In cellular models, IS suppressed NRF2 and induced iNOS, leading to induction of oxidative and nitrosative stress, and, co
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13

Wigner, Paulina, Piotr Czarny, Piotr Galecki, and Tomasz Sliwinski. "OXIDATIVE AND NITROSATIVE STRESS AS WELL AS THE TRYPTOPHAN CATABOLITES PATHWAY IN DEPRESSIVE DISORDERS." Psychiatria Danubina 29, no. 4 (2017): 394–400. http://dx.doi.org/10.24869/psyd.2017.394.

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14

Sári, Zsanett, Edit Mikó, Tünde Kovács, et al. "Indolepropionic Acid, a Metabolite of the Microbiome, Has Cytostatic Properties in Breast Cancer by Activating AHR and PXR Receptors and Inducing Oxidative Stress." Cancers 12, no. 9 (2020): 2411. http://dx.doi.org/10.3390/cancers12092411.

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Oncobiotic transformation of the gut microbiome may contribute to the risk of breast cancer. Recent studies have provided evidence that the microbiome secretes cytostatic metabolites that inhibit the proliferation, movement, and metastasis formation of cancer cells. In this study, we show that indolepropionic acid (IPA), a bacterial tryptophan metabolite, has cytostatic properties. IPA selectively targeted breast cancer cells, but it had no effects on non-transformed, primary fibroblasts. In cell-based and animal experiments, we showed that IPA supplementation reduced the proportions of cancer
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15

Martin-Subero, Marta, George Anderson, Buranee Kanchanatawan, Michael Berk, and Michael Maes. "Comorbidity between depression and inflammatory bowel disease explained by immune-inflammatory, oxidative, and nitrosative stress; tryptophan catabolite; and gut–brain pathways." CNS Spectrums 21, no. 2 (2015): 184–98. http://dx.doi.org/10.1017/s1092852915000449.

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The nature of depression has recently been reconceptualized, being conceived as the clinical expression of activated immune-inflammatory, oxidative, and nitrosative stress (IO&NS) pathways, including tryptophan catabolite (TRYCAT), autoimmune, and gut–brain pathways. IO&NS pathways are similarly integral to the pathogenesis of inflammatory bowel disease (IBD). The increased depression prevalence in IBD associates with a lower quality of life and increased morbidity in IBD, highlighting the role of depression in modulating the pathophysiology of IBD.This review covers data within such a
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16

Anderson, George, Moonsang Seo, Michael Berk, Andre Carvalho, and Michael Maes. "Gut Permeability and Microbiota in Parkinson’s Disease: Role of Depression, Tryptophan Catabolites, Oxidative and Nitrosative Stress and Melatonergic Pathways." Current Pharmaceutical Design 22, no. 40 (2016): 6142–51. http://dx.doi.org/10.2174/1381612822666160906161513.

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17

Wigner, Paulina, Piotr Czarny, Piotr Galecki, Kuan-Pin Su, and Tomasz Sliwinski. "The molecular aspects of oxidative & nitrosative stress and the tryptophan catabolites pathway (TRYCATs) as potential causes of depression." Psychiatry Research 262 (April 2018): 566–74. http://dx.doi.org/10.1016/j.psychres.2017.09.045.

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18

Anderson, George, Michael Maes, and Michael Berk. "Schizophrenia is primed for an increased expression of depression through activation of immuno-inflammatory, oxidative and nitrosative stress, and tryptophan catabolite pathways." Progress in Neuro-Psychopharmacology and Biological Psychiatry 42 (April 2013): 101–14. http://dx.doi.org/10.1016/j.pnpbp.2012.07.016.

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19

Wigner, Paulina, Ewelina Synowiec, Paweł Jóźwiak, et al. "The Effect of Chronic Mild Stress and Escitalopram on the Expression and Methylation Levels of Genes Involved in the Oxidative and Nitrosative Stresses as Well as Tryptophan Catabolites Pathway in the Blood and Brain Structures." International Journal of Molecular Sciences 22, no. 1 (2020): 10. http://dx.doi.org/10.3390/ijms22010010.

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Previous studies suggest that depression may be associated with reactive oxygen species overproduction and disorders of the tryptophan catabolites pathway. Moreover, one-third of patients do not respond to conventional pharmacotherapy. Therefore, the study investigates the molecular effect of escitalopram on the expression of Cat, Gpx1/4, Nos1/2, Tph1/2, Ido1, Kmo, and Kynu and promoter methylation in the hippocampus, amygdala, cerebral cortex, and blood of rats exposed to CMS (chronic mild stress). The animals were exposed to CMS for two or seven weeks followed by escitalopram treatment for f
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20

Anderson, George. "Linking the biological underpinnings of depression: Role of mitochondria interactions with melatonin, inflammation, sirtuins, tryptophan catabolites, DNA repair and oxidative and nitrosative stress, with consequences for classification and cognition." Progress in Neuro-Psychopharmacology and Biological Psychiatry 80 (January 2018): 255–66. http://dx.doi.org/10.1016/j.pnpbp.2017.04.022.

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21

Anderson, George, and Michael Maes. "Bipolar Disorder: Role of Immune-Inflammatory Cytokines, Oxidative and Nitrosative Stress and Tryptophan Catabolites." Current Psychiatry Reports 17, no. 2 (2015). http://dx.doi.org/10.1007/s11920-014-0541-1.

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