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Sanabria-Castro A, Alape-Girón A, Flores-Díaz M, Echeverri-McCandless A, Parajeles-Vindas A. Oxidative stress involvement in the molecular pathogenesis and progression of multiple sclerosis: a literature review. Rev Neurosci 2024; 35:355-371. [PMID: 38163257 DOI: 10.1515/revneuro-2023-0091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/26/2023] [Indexed: 01/03/2024]
Abstract
Multiple sclerosis (MS) is an autoimmune debilitating disease of the central nervous system caused by a mosaic of interactions between genetic predisposition and environmental factors. The pathological hallmarks of MS are chronic inflammation, demyelination, and neurodegeneration. Oxidative stress, a state of imbalance between the production of reactive species and antioxidant defense mechanisms, is considered one of the key contributors in the pathophysiology of MS. This review is a comprehensive overview of the cellular and molecular mechanisms by which oxidant species contribute to the initiation and progression of MS including mitochondrial dysfunction, disruption of various signaling pathways, and autoimmune response activation. The detrimental effects of oxidative stress on neurons, oligodendrocytes, and astrocytes, as well as the role of oxidants in promoting and perpetuating inflammation, demyelination, and axonal damage, are discussed. Finally, this review also points out the therapeutic potential of various synthetic antioxidants that must be evaluated in clinical trials in patients with MS.
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Affiliation(s)
- Alfredo Sanabria-Castro
- Unidad de Investigación, Hospital San Juan de Dios, Caja Costarricense de Seguro Social, San José, 10103, Costa Rica
- Departamento de Farmacología, Toxicología y Farmacodependencia, Facultad de Farmacia, Universidad de Costa Rica, San Pedro de Montes de Oca, 11501, Costa Rica
| | - Alberto Alape-Girón
- Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, Dulce Nombre Vázquez de Coronado, 11103, Costa Rica
| | - Marietta Flores-Díaz
- Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, Dulce Nombre Vázquez de Coronado, 11103, Costa Rica
| | - Ann Echeverri-McCandless
- Unidad de Investigación, Hospital San Juan de Dios, Caja Costarricense de Seguro Social, San José, 10103, Costa Rica
| | - Alexander Parajeles-Vindas
- Servicio de Neurología, Hospital San Juan de Dios, Caja Costarricense de Seguro Social, San José, 10103, Costa Rica
- Servicio de Neurología, Hospital Clínica Bíblica, San José, 10104, Costa Rica
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Alshehri FS, Alorfi NM. Protective role of resveratrol against VCM-induced hepatotoxicity in male wistar rats. Front Pharmacol 2023; 14:1130670. [PMID: 36825158 PMCID: PMC9941161 DOI: 10.3389/fphar.2023.1130670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 01/30/2023] [Indexed: 02/10/2023] Open
Abstract
Background: Vancomycin is a glycopeptide antibiotic with a high risk of acute liver injury. Resveratrol is believed to protect the liver against toxicity. Aim: To investigate the ability of resveratrol to attenuate vancomycin-induced liver toxicity in rats injected with vancomycin. Method: Twenty-four adult male Wistar rats were distributed into three groups. The control group received only a vehicle, while the treated group received either vancomycin 200 (mg/kg, i. p.) only or vancomycin (200 mg/kg, i. p.) with resveratrol (20 mg/kg, oral gavage). All groups received their dose once daily for 7 days. Hepatic damage was assessed by measuring biochemical parameter levels in serum, aspartate transaminase (AST), alanine transaminase (ALT), alkaline phosphatase (ALP), and lactate dehydrogenase (LDH). Also, antioxidants and inflammation biomarkers such as Interleukin-6 (IL-6), malondialdehyde (MDA), nitric oxide (NO), and glutathione (GSH) were measured. Furthermore, the vancomycin-induced pathological changes in the liver were evaluated by histopathological studies. Results: In the vancomycin-treated group, hepatic serum biomarkers such as AST, ALT, ALP, IL-6, and MDA were elevated, while NO and GSH were depleted. However, resveratrol co-treatment with vancomycin prevented the elevation of AST, ALT, ALP, IL-6, and MDA and it protected the liver from NO and GSH depletion. Also, regarding vancomycin-induced degeneration of hepatocytes, resveratrol co-treatment with vancomycin prevented such degeneration and improved mononuclear cells in the liver. Conclusion: The results showed that oral administration of resveratrol has a significant hepatoprotective effect against vancomycin-induced hepatotoxicity.
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Affiliation(s)
| | - Nasser M. Alorfi
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
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Cysteine-Rich Whey Protein Isolate (CR-WPI) Ameliorates Erectile Dysfunction by Diminishing Oxidative Stress via DDAH/ADMA/NOS Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8151917. [PMID: 35355865 PMCID: PMC8960025 DOI: 10.1155/2022/8151917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 02/24/2022] [Accepted: 03/01/2022] [Indexed: 12/02/2022]
Abstract
Nitric oxide synthase- (NOS-) dependent endothelial dysfunction induced by oxidative stress (OS) is assumed to play a pivotal role in the pathogenesis and progression of diabetes mellitus-related erectile dysfunction (DMED). Cysteine-rich whey protein isolate (CR-WPI) is a widely used protein supplement and has been confirmed to reduce reactive oxygen species (ROS) by increasing cellular antioxidant glutathione (GSH). However, it is currently unknown whether CR-WPI elicits therapeutic effects in DMED. Here, we provide diabetic rats with CR-WPI to determine its effect on DMED and the underlying mechanisms. The results suggest that CR-WPI supplementation increased GSH biosynthesis and reduced ROS content and simultaneously upregulated the dimethylarginine dimethylaminohydrolase (DDAH)/asymmetrical dimethylarginine (ADMA)/nitric oxide synthase (NOS) metabolic pathway. Evaluation of intracavernous pressure (ICP) also showed an improvement of penile erectile function in CR-WPI-treated rats. The results of the vitro cell culture showed that glutathione pretreatment protected corpus cavernosum smooth muscle cells (CCSMC) from H2O2-induced apoptosis by decreasing Caspase 9 and Caspase 3 expressions. These results augur well for the potential therapeutic application of dietary CR-WPI supplementation for treating diabetic erectile dysfunction.
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Akingbade GT, Ijomone OM, Imam A, Aschner M, Ajao MS. D-Ribose-L-Cysteine Improves Glutathione Levels, Neuronal and Mitochondrial Ultrastructural Damage, Caspase-3 and GFAP Expressions Following Manganese-Induced Neurotoxicity. Neurotox Res 2021; 39:1846-1858. [PMID: 34480735 DOI: 10.1007/s12640-021-00404-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/19/2021] [Accepted: 08/23/2021] [Indexed: 01/08/2023]
Abstract
Repeated manganese (Mn) exposure may cause increased production of reactive oxygen species (ROS), with a consequent imbalance in the glutathione (GSH) antioxidant defence system, resulting in cellular dysfunctions, and eventually cell death, particularly in the brain. D-ribose-L-cysteine (RibCys) has been demonstrated to effectively promote the synthesis of glutathione, a potent neutralizer of ROS. In the present study, we examined the effects of RibCys on glutathione levels, apoptotic and astrocytic responses, neuronal ultrastructural integrity, following Mn exposure. Wild-type rats were exposed to either saline, Mn, or/and RibCys for 2 weeks. The Mn-exposed rats received RibCys either as pre-, co-, or post-treatments. Mn caused a marked decrease in GSH levels, overexpression of GFAP and caspase-3, reflecting astrocytosis and apoptosis, and altered ultrastructural integrities of the neuronal nuclei, mitochondria, and myelin sheath of the striatum and motor cortex respectively, while all interventions with RibCys minimized and prevented the neurotoxic events. Our study demonstrates that RibCys effectively attenuates the neurotoxic effects of Mn and may be useful as a therapeutic strategy against neurological consequences of Mn overexposure.
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Affiliation(s)
- Grace T Akingbade
- Department of Anatomy, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Nigeria.
- The Neuro-Lab, Department of Human Anatomy, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria.
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA.
| | - Omamuyovwi M Ijomone
- The Neuro-Lab, Department of Human Anatomy, School of Health and Health Technology, Federal University of Technology, Akure, Nigeria
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Aminu Imam
- Department of Anatomy, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Nigeria
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Moyosore S Ajao
- Department of Anatomy, Faculty of Basic Medical Sciences, University of Ilorin, Ilorin, Nigeria
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Martins ML, da Silva AT, Machado RP, Ramos HP, Martinelli C, Silveira TT, da Silva EL, Wazlawik E. Vitamin C decreases reduced glutathione in chronic haemodialysis patients: a pilot, randomised, double-blind trial. Int Urol Nephrol 2021; 53:1695-1704. [PMID: 33905041 DOI: 10.1007/s11255-021-02797-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/08/2021] [Indexed: 09/29/2022]
Abstract
PURPOSE Whey protein has antioxidant properties through its amino acid cysteine, which enhances the biosynthesis of glutathione, the most abundant antioxidant non-protein in mammalians. Glutathione influences vitamin C recycling and increases its protective effect on oxidative stress (OS). The aim of this study was to analyse the effect of whey protein and vitamin C supplementation on OS biomarkers in chronic haemodialysis (HD) patients. METHODS This pioneer trial was a randomised, double-blind, pilot study in patients from a dialysis clinic. Patients were randomised into three groups (1:1:1) and stratified by HD frequency (2 or 3 times/week). Sachets containing protein powder (20.0 g) with/without vitamin C (0.25 g) or placebo (20.0 g of white rice flour) with vitamin C (0.25 g) were supplemented after each HD session, 3 times/week for 8 weeks. Blood samples were collected at the baseline period and after 8 weeks for the measurement of reduced glutathione (GSH), oxidised glutathione (GSSG), the GSH:GSSG ratio, malondialdehyde, vitamin C, and glutathione peroxidase-1. RESULTS Twenty-two patients were enrolled, of which 18 concluded the trial, 6 per group (18.2%, n = 4 losses during follow-up). The vitamin C group presented decreased GSH levels after supplementation (p = 0.053) and a decreasing tendency in the GSH:GSSG ratio (non-statistically significant), while MDA levels significantly decreased only in the whey protein-supplemented groups (p ≤ 0.05). CONCLUSION The results suggest a pro-oxidant effect of 0.25 g of vitamin C alone in chronic HD patients. CLINICAL TRIAL REGISTRATION https://ensaiosclinicos.gov.br/ , RBR-65b8f4.
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Affiliation(s)
- Mayara Lopes Martins
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Angela Teodósio da Silva
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Roberta Pieri Machado
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Hanna Pillmann Ramos
- Department of Pharmacy, Federal University of Santa Catarina, Florianópolis, SC, Brazil.,Laboratory of Lipids, Antioxidants, and Atherosclerosis, Department of Clinical Analyses, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Caroline Martinelli
- Department of Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Taís Thomsen Silveira
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil.,Laboratory of Lipids, Antioxidants, and Atherosclerosis, Department of Clinical Analyses, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Edson Luiz da Silva
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil.,Department of Pharmacy, Federal University of Santa Catarina, Florianópolis, SC, Brazil.,Laboratory of Lipids, Antioxidants, and Atherosclerosis, Department of Clinical Analyses, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Elisabeth Wazlawik
- Postgraduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil. .,Department of Nutrition, Federal University of Santa Catarina, Florianópolis, SC, Brazil. .,Programa de Pós-Graduação em Nutrição, Centro de Ciências da Saúde, Universidade Federal de Santa Catarina, Campus Universitário, Rua Delfino Conti, Trindade, Florianópolis, SC, 88040-900, Brazil.
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Kim TY, Leem E, Lee JM, Kim SR. Control of Reactive Oxygen Species for the Prevention of Parkinson's Disease: The Possible Application of Flavonoids. Antioxidants (Basel) 2020; 9:antiox9070583. [PMID: 32635299 PMCID: PMC7402123 DOI: 10.3390/antiox9070583] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/26/2020] [Accepted: 07/01/2020] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress reflects an imbalance between the production of reactive oxygen species (ROS) and antioxidant defense systems, and it can be associated with the pathogenesis and progression of neurodegenerative diseases such as multiple sclerosis, stroke, and Parkinson's disease (PD). The application of antioxidants, which can defend against oxidative stress, is able to detoxify the reactive intermediates and prevent neurodegeneration resulting from excessive ROS production. There are many reports showing that numerous flavonoids, a large group of natural phenolic compounds, can act as antioxidants and the application of flavonoids has beneficial effects in the adult brain. For instance, it is well known that the long-term consumption of the green tea-derived flavonoids catechin and epigallocatechin gallate (EGCG) can attenuate the onset of PD. Also, flavonoids such as ampelopsin and pinocembrin can inhibit mitochondrial dysfunction and neuronal death through the regulation of gene expression of the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway. Additionally, it is well established that many flavonoids exhibit anti-apoptosis and anti-inflammatory effects through cellular signaling pathways, such as those involving (ERK), glycogen synthase kinase-3β (GSK-3β), and (Akt), resulting in neuroprotection. In this review article, we have described the oxidative stress involved in PD and explained the therapeutic potential of flavonoids to protect the nigrostriatal DA system, which may be useful to prevent PD.
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Affiliation(s)
- Tae Yeon Kim
- School of Life Sciences, BK21 plus KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Korea; (T.Y.K.); (E.L.)
| | - Eunju Leem
- School of Life Sciences, BK21 plus KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Korea; (T.Y.K.); (E.L.)
| | - Jae Man Lee
- Department of Biochemistry and Cell Biology, Cell and Matrix Research Institute, BK21 Plus KNU Biomedical Convergence Program, School of Medicine, Kyungpook National University, Daegu 41944, Korea;
| | - Sang Ryong Kim
- School of Life Sciences, BK21 plus KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Korea; (T.Y.K.); (E.L.)
- Institute of Life Science & Biotechnology, Kyungpook National University, Daegu 41566, Korea
- Brain Science and Engineering Institute, Kyungpook National University, Daegu 41566, Korea
- Correspondence: ; Tel.: +82-53-950-7362
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Zalachoras I, Hollis F, Ramos-Fernández E, Trovo L, Sonnay S, Geiser E, Preitner N, Steiner P, Sandi C, Morató L. Therapeutic potential of glutathione-enhancers in stress-related psychopathologies. Neurosci Biobehav Rev 2020; 114:134-155. [DOI: 10.1016/j.neubiorev.2020.03.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/09/2020] [Accepted: 03/12/2020] [Indexed: 12/11/2022]
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Lappa IK, Papadaki A, Kachrimanidou V, Terpou A, Koulougliotis D, Eriotou E, Kopsahelis N. Cheese Whey Processing: Integrated Biorefinery Concepts and Emerging Food Applications. Foods 2019; 8:E347. [PMID: 31443236 PMCID: PMC6723228 DOI: 10.3390/foods8080347] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/07/2019] [Accepted: 08/10/2019] [Indexed: 12/27/2022] Open
Abstract
Cheese whey constitutes one of the most polluting by-products of the food industry, due to its high organic load. Thus, in order to mitigate the environmental concerns, a large number of valorization approaches have been reported; mainly targeting the recovery of whey proteins and whey lactose from cheese whey for further exploitation as renewable resources. Most studies are predominantly focused on the separate implementation, either of whey protein or lactose, to configure processes that will formulate value-added products. Likewise, approaches for cheese whey valorization, so far, do not exploit the full potential of cheese whey, particularly with respect to food applications. Nonetheless, within the concept of integrated biorefinery design and the transition to circular economy, it is imperative to develop consolidated bioprocesses that will foster a holistic exploitation of cheese whey. Therefore, the aim of this article is to elaborate on the recent advances regarding the conversion of whey to high value-added products, focusing on food applications. Moreover, novel integrated biorefining concepts are proposed, to inaugurate the complete exploitation of cheese whey to formulate novel products with diversified end applications. Within the context of circular economy, it is envisaged that high value-added products will be reintroduced in the food supply chain, thereby enhancing sustainability and creating "zero waste" processes.
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Affiliation(s)
- Iliada K Lappa
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | - Aikaterini Papadaki
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | - Vasiliki Kachrimanidou
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece.
- Department of Food and Nutritional Sciences, University of Reading, Berkshire RG6 6AP, UK.
| | - Antonia Terpou
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | | | - Effimia Eriotou
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece
| | - Nikolaos Kopsahelis
- Department of Food Science and Technology, Ionian University, Argostoli, 28100 Kefalonia, Greece.
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Ignowski E, Winter AN, Duval N, Fleming H, Wallace T, Manning E, Koza L, Huber K, Serkova NJ, Linseman DA. The cysteine-rich whey protein supplement, Immunocal®, preserves brain glutathione and improves cognitive, motor, and histopathological indices of traumatic brain injury in a mouse model of controlled cortical impact. Free Radic Biol Med 2018; 124:328-341. [PMID: 29940352 PMCID: PMC6211803 DOI: 10.1016/j.freeradbiomed.2018.06.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 06/08/2018] [Accepted: 06/22/2018] [Indexed: 01/09/2023]
Abstract
Traumatic brain injury (TBI) is a major public health problem estimated to affect nearly 1.7 million people in the United States annually. Due to the often debilitating effects of TBI, novel preventative agents are highly desirable for at risk populations. Here, we tested a whey protein supplement, Immunocal®, for its potential to enhance resilience to TBI. Immunocal® is a non-denatured whey protein preparation which has been shown to act as a cysteine delivery system to increase levels of the essential antioxidant glutathione (GSH). Twice daily oral supplementation of CD1 mice with Immunocal® for 28 days prior to receiving a moderate TBI prevented an ~ 25% reduction in brain GSH/GSSG observed in untreated TBI mice. Immunocal® had no significant effect on the primary mechanical injury induced by TBI, as assessed by MRI, changes in Tau phosphorylation, and righting reflex time or apnea. However, pre-injury supplementation with Immunocal® resulted in statistically significant improvements in motor function (beam walk and rotarod) and cognitive function (Barnes maze). We also observed a significant preservation of corpus callosum width (axonal myelination), a significant decrease in degenerating neurons, a reduction in Iba1 (microglial marker), decreased lipid peroxidation, and preservation of brain-derived neurotrophic factor (BDNF) in the brains of Immunocal®-pretreated mice compared to untreated TBI mice. Taken together, these data indicate that pre-injury supplementation with Immunocal® significantly enhances the resilience to TBI induced by a moderate closed head injury in mice. We conclude that Immunocal® may hold significant promise as a preventative agent for TBI, particularly in certain high risk populations such as athletes and military personnel.
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Affiliation(s)
- Elizabeth Ignowski
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States.
| | - Aimee N Winter
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States.
| | - Nathan Duval
- University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States.
| | - Holly Fleming
- University of Denver, Knoebel Institute for Healthy Aging, Denver, CO 80208, United States.
| | - Tyler Wallace
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States.
| | - Evan Manning
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States.
| | - Lilia Koza
- University of Denver, Department of Biological Sciences, Denver, CO 80208, United States.
| | - Kendra Huber
- University of Colorado Cancer Center, Aurora, CO 80045, United States.
| | - Natalie J Serkova
- University of Colorado Cancer Center, Aurora, CO 80045, United States.
| | - Daniel A Linseman
- University of Denver, Department of Biological Sciences and Knoebel Institute for Healthy Aging, 2155 E. Wesley Ave., Denver, CO 80208, United States.
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