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Montardi C, Gaudemer A, Zuber M, Vuillemet F, Alexandra J, Lidove O, Mauhin W. Aseptic meningitis and Fabry disease. Ann Clin Transl Neurol 2024; 11:1430-1441. [PMID: 38717582 PMCID: PMC11187954 DOI: 10.1002/acn3.52043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/16/2024] [Accepted: 02/28/2024] [Indexed: 06/20/2024] Open
Abstract
OBJECTIVE Fabry disease is caused by enzymatic defects in alpha-galactosidase A that leads to the accumulation of glycosphingolipids throughout the body, resulting in a multisystemic disorder. The most common neurological manifestations are neuropathic pain, autonomic nervous system dysfunction and strokes, but some rarer neurological manifestations exist. Among these, aseptic meningitis is a possible complication. Our objectives were to measure the prevalence of this complication in a cohort of patients with Fabry disease, and to describe its clinical features. METHODS We conducted a retrospective review of Fabry disease patients followed at our tertiary referral center between 1995 and September 2023 with at least one episode of meningitis, and performed a systematic review to identify similar published cases. RESULTS Four patients out of 107 (3.7%) had at least one episode of aseptic meningitis. Our systematic review identified 25 other observations. The median age of these 29 patients was 29.0 years, the median cerebrospinal fluid leukocyte count was 24 cells/mm3 with a predominance of lymphocytes in 64.7% of cases. In 82.8% of the patients, the diagnosis of Fabry disease was unknown before the meningitis. Large artery stenosis was present in 17.2% of patients and 57.1% of patients had a recent stroke concomitant with the meningitis. Several differential diagnoses were evoked, such as multiple sclerosis or central nervous system vasculitis. INTERPRETATION Our study suggests that Fabry disease should be considered as a cause of aseptic meningitis. The pathophysiological mechanisms underlying meningeal inflammation remain largely unknown but may reflect the dysregulation of pro-inflammatory signaling pathways.
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Affiliation(s)
- Camille Montardi
- Internal Medicine DepartmentReference Centre for Lysosomal Diseases, Groupe Hospitalier Diaconesses Croix Saint‐SimonParisFrance
| | - Augustin Gaudemer
- Radiology DepartmentBichat University Hospital, Assistance Publique Hôpitaux de ParisParisFrance
- IAME UMR‐1137, INSERM, Université Paris CitéParisFrance
| | - Mathieu Zuber
- Neurology DepartmentParis Saint‐Joseph HospitalParisFrance
- UMR‐S U1237, GIP Cycéron, INSERM, Université Paris CitéParisFrance
| | - Francis Vuillemet
- Neurology DepartmentLouis Pasteur Civil Hospital of ColmarColmarFrance
| | - Jean‐François Alexandra
- Internal Medicine DepartmentBichat University Hospital, Assistance Publique Hôpitaux de ParisParisFrance
| | - Olivier Lidove
- Internal Medicine DepartmentReference Centre for Lysosomal Diseases, Groupe Hospitalier Diaconesses Croix Saint‐SimonParisFrance
| | - Wladimir Mauhin
- Internal Medicine DepartmentReference Centre for Lysosomal Diseases, Groupe Hospitalier Diaconesses Croix Saint‐SimonParisFrance
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Hassan W, Noreen H, Rehman S, Kamal MA, Teixeira da Rocha JB. Association of Oxidative Stress with Neurological Disorders. Curr Neuropharmacol 2022; 20:1046-1072. [PMID: 34781871 PMCID: PMC9886831 DOI: 10.2174/1570159x19666211111141246] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 09/05/2021] [Accepted: 10/06/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGORUND Oxidative stress is one of the main contributing factors involved in cerebral biochemical impairment. The higher susceptibility of the central nervous system to reactive oxygen species mediated damage could be attributed to several factors. For example, neurons use a greater quantity of oxygen, many parts of the brain have higher concentraton of iron, and neuronal mitochondria produce huge content of hydrogen peroxide. In addition, neuronal membranes have polyunsaturated fatty acids, which are predominantly vulnerable to oxidative stress (OS). OS is the imbalance between reactive oxygen species generation and cellular antioxidant potential. This may lead to various pathological conditions and diseases, especially neurodegenerative diseases such as, Parkinson's, Alzheimer's, and Huntington's diseases. OBJECTIVES In this study, we explored the involvement of OS in neurodegenerative diseases. METHODS We used different search terms like "oxidative stress and neurological disorders" "free radicals and neurodegenerative disorders" "oxidative stress, free radicals, and neurological disorders" and "association of oxidative stress with the name of disorders taken from the list of neurological disorders. We tried to summarize the source, biological effects, and physiologic functions of ROS. RESULTS Finally, it was noted that more than 190 neurological disorders are associated with oxidative stress. CONCLUSION More elaborated studies in the future will certainly help in understanding the exact mechanism involved in neurological diseases and provide insight into revelation of therapeutic targets.
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Affiliation(s)
- Waseem Hassan
- Institute of Chemical Sciences, University of Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan;,Address correspondence to this author at the Institute of Chemical Sciences, University of Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan; E-mail:
| | - Hamsa Noreen
- Institute of Chemical Sciences, University of Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan
| | - Shakila Rehman
- Institute of Chemical Sciences, University of Peshawar, Peshawar 25120, Khyber Pakhtunkhwa, Pakistan
| | - Mohammad Amjad Kamal
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia;,Enzymoics, 7 Peterlee Place, Hebersham, NSW 2770, Australia
| | - Joao Batista Teixeira da Rocha
- Departamento de Bioquímica e Biologia Molecular, Programa de Pós-Graduação em Bioquímica, Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS 97105-900, Brazil
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Ducatez F, Mauhin W, Boullier A, Pilon C, Pereira T, Aubert R, Benveniste O, Marret S, Lidove O, Bekri S, Tebani A. Parsing Fabry Disease Metabolic Plasticity Using Metabolomics. J Pers Med 2021; 11:jpm11090898. [PMID: 34575675 PMCID: PMC8468728 DOI: 10.3390/jpm11090898] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/03/2021] [Accepted: 09/05/2021] [Indexed: 12/12/2022] Open
Abstract
Background: Fabry disease (FD) is an X-linked lysosomal disease due to a deficiency in the activity of the lysosomal α-galactosidase A (GalA), a key enzyme in the glycosphingolipid degradation pathway. FD is a complex disease with a poor genotype–phenotype correlation. FD could involve kidney, heart or central nervous system impairment that significantly decreases life expectancy. The advent of omics technologies offers the possibility of a global, integrated and systemic approach well-suited for the exploration of this complex disease. Materials and Methods: Sixty-six plasmas of FD patients from the French Fabry cohort (FFABRY) and 60 control plasmas were analyzed using liquid chromatography and mass spectrometry-based targeted metabolomics (188 metabolites) along with the determination of LysoGb3 concentration and GalA enzymatic activity. Conventional univariate analyses as well as systems biology and machine learning methods were used. Results: The analysis allowed for the identification of discriminating metabolic profiles that unambiguously separate FD patients from control subjects. The analysis identified 86 metabolites that are differentially expressed, including 62 Glycerophospholipids, 8 Acylcarnitines, 6 Sphingomyelins, 5 Aminoacids and 5 Biogenic Amines. Thirteen consensus metabolites were identified through network-based analysis, including 1 biogenic amine, 2 lysophosphatidylcholines and 10 glycerophospholipids. A predictive model using these metabolites showed an AUC-ROC of 0.992 (CI: 0.965–1.000). Conclusion: These results highlight deep metabolic remodeling in FD and confirm the potential of omics-based approaches in lysosomal diseases to reveal clinical and biological associations to generate pathophysiological hypotheses.
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Affiliation(s)
- Franklin Ducatez
- Department of Metabolic Biochemistry, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France; (F.D.); (C.P.); (R.A.); (S.B.)
- Department of Neonatal Pediatrics, Intensive Care, and Neuropediatrics, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France;
| | - Wladimir Mauhin
- Department of Internal Medicine, Groupe Hospitalier Diaconesses Croix Saint Simon, Site Avron & UMRS 974, 75013 Paris, France; (W.M.); (O.L.)
| | - Agnès Boullier
- MP3CV-UR7517, CURS-Université de Picardie Jules Verne, Avenue de la Croix Jourdain, 80054 Amiens, France;
- Laboratoire de Biochimie CHU Amiens-Picardie, Avenue de la Croix Jourdain, 80054 Amiens, France
| | - Carine Pilon
- Department of Metabolic Biochemistry, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France; (F.D.); (C.P.); (R.A.); (S.B.)
| | - Tony Pereira
- CHU Rouen, Institut de Biologie Clinique, 76000 Rouen, France;
| | - Raphaël Aubert
- Department of Metabolic Biochemistry, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France; (F.D.); (C.P.); (R.A.); (S.B.)
| | - Olivier Benveniste
- Department of Internal Medicine, Hôpital Pitié-Salpêtrière & INSERM U 974, 75013 Paris, France;
| | - Stéphane Marret
- Department of Neonatal Pediatrics, Intensive Care, and Neuropediatrics, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France;
| | - Olivier Lidove
- Department of Internal Medicine, Groupe Hospitalier Diaconesses Croix Saint Simon, Site Avron & UMRS 974, 75013 Paris, France; (W.M.); (O.L.)
| | - Soumeya Bekri
- Department of Metabolic Biochemistry, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France; (F.D.); (C.P.); (R.A.); (S.B.)
| | - Abdellah Tebani
- Department of Metabolic Biochemistry, Normandie University, UNIROUEN, INSERM U1245, CHU Rouen, 76000 Rouen, France; (F.D.); (C.P.); (R.A.); (S.B.)
- Correspondence:
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Simoncini C, Torri S, Montano V, Chico L, Gruosso F, Tuttolomondo A, Pinto A, Simonetta I, Cianci V, Salviati A, Vicenzi V, Marchi G, Girelli D, Concolino D, Sestito S, Zedde M, Siciliano G, Mancuso M. Oxidative stress biomarkers in Fabry disease: is there a room for them? J Neurol 2020; 267:3741-3752. [PMID: 32719972 PMCID: PMC7674365 DOI: 10.1007/s00415-020-10044-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/14/2020] [Accepted: 07/01/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Fabry disease (FD) is an X-linked lysosomal storage disorder, caused by deficient activity of the alpha-galactosidase A enzyme leading to progressive and multisystemic accumulation of globotriaosylceramide. Recent data point toward oxidative stress signalling which could play an important role in both pathophysiology and disease progression. METHODS We have examined oxidative stress biomarkers [Advanced Oxidation Protein Products (AOPP), Ferric Reducing Antioxidant Power (FRAP), thiolic groups] in blood samples from 60 patients and 77 healthy controls. RESULTS AOPP levels were higher in patients than in controls (p < 0.00001) and patients presented decreased levels of antioxidant defences (FRAP and thiols) with respect to controls (p < 0.00001). In a small group of eight treatment-naïve subjects with FD-related mutations, we found altered levels of oxidative stress parameters and incipient signs of organ damage despite normal lyso-Gb3 levels. CONCLUSIONS Oxidative stress occurs in FD in both treated and naïve patients, highlighting the need of further research in oxidative stress-targeted therapies. Furthermore, we found that oxidative stress biomarkers may represent early markers of disease in treatment-naïve patients with a potential role in helping interpretation of FD-related mutations and time to treatment decision.
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Affiliation(s)
- C Simoncini
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy
| | - S Torri
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy
| | - V Montano
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy
| | - L Chico
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy
| | - F Gruosso
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy
| | - A Tuttolomondo
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialized Medicine (Promise) G. D'Alessandro, University of Palermo, Palermo, Italy
| | - A Pinto
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialized Medicine (Promise) G. D'Alessandro, University of Palermo, Palermo, Italy
| | - I Simonetta
- Internal Medicine and Stroke Care Ward, Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialized Medicine (Promise) G. D'Alessandro, University of Palermo, Palermo, Italy
| | - V Cianci
- Regional Epilepsy Centre, Great Metropolitan Hospital "Bianchi-Melacrino-Morelli", Reggio Calabria, Italy
| | - A Salviati
- Lab Functional Genomics, Department of Biotechnology, Univ Verona, Genartis srl, Verona, Italy
| | - V Vicenzi
- Medical Genetics Unit, ASL 9, Verona, Italy
| | - G Marchi
- Internal Medicine Unit, Azienda Ospedaliera Universitaria Integrata di Verona, Verona, Italy
| | - D Girelli
- Internal Medicine Unit, Azienda Ospedaliera Universitaria Integrata di Verona, Verona, Italy
| | - D Concolino
- Department of Medical and Surgical Sciences, Pediatric Unit, "Magna Graecia" University, Catanzaro, Italy
| | - S Sestito
- Department of Medical and Surgical Sciences, Pediatric Unit, "Magna Graecia" University, Catanzaro, Italy
| | - M Zedde
- Azienda Unità Sanitaria Locale, IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - G Siciliano
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy
| | - Michelangelo Mancuso
- Department of Clinical and Experimental Medicine, Neurological Institute, University of Pisa, Pisa, Italy.
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Donida B, Jacques CED, Mescka CP, Rodrigues DGB, Marchetti DP, Ribas G, Giugliani R, Vargas CR. Oxidative damage and redox in Lysosomal Storage Disorders: Biochemical markers. Clin Chim Acta 2017; 466:46-53. [DOI: 10.1016/j.cca.2017.01.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Revised: 01/04/2017] [Accepted: 01/07/2017] [Indexed: 02/03/2023]
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Cé J, de Mello AS, da Costa Moraes V, Kafer E, Frusciante M, Kneib L, Funchal C, Dani C, Coelho JC. Analyses of oxidative stress biomarkers in Mucopolysaccharidosis VI compared with Mucopolysaccharidosis I and healthy controls. GENE REPORTS 2016. [DOI: 10.1016/j.genrep.2016.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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7
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Simoncini C, Chico L, Concolino D, Sestito S, Fancellu L, Boadu W, Sechi GP, Feliciani C, Gnarra M, Zampetti A, Salviati A, Scarpelli M, Orsucci D, Bonuccelli U, Siciliano G, Mancuso M. Mitochondrial DNA haplogroups may influence Fabry disease phenotype. Neurosci Lett 2016; 629:58-61. [PMID: 27365132 DOI: 10.1016/j.neulet.2016.06.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 06/13/2016] [Accepted: 06/23/2016] [Indexed: 10/21/2022]
Abstract
While the genetic origin of Fabry disease (FD) is well known, it is still unclear why the disease presents a wide heterogeneity of clinical presentation and progression, even within the same family. Emerging observations reveal that mitochondrial impairment and oxidative stress may be implicated in the pathogenesis of FD. To investigate if specific genetic polymorphisms within the mitochondrial genome (mtDNA) could act as susceptibility factors and contribute to the clinical expression of FD, we have genotyped European mtDNA haplogroups in 77 Italian FD patients and 151 healthy controls. Haplogroups H and I, and haplogroup cluster HV were significantly more frequent in patients than controls. However, no correlation with gender, age of onset, organ involvement was observed. Our study seems to provide some evidence of a contribution of mitochondrial variation in FD pathogenesis, at least in Italy.
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Affiliation(s)
- C Simoncini
- Experimental and Clinical Medicine Department, Neurological Clinic, University of Pisa, Italy
| | - L Chico
- Experimental and Clinical Medicine Department, Neurological Clinic, University of Pisa, Italy
| | - D Concolino
- Department of Pediatrics University "Magna Graecia" of Catanzaro, Catanzaro, Italy
| | - S Sestito
- Department of Pediatrics University "Magna Graecia" of Catanzaro, Catanzaro, Italy
| | - L Fancellu
- Department of Clinical and Experimental Medicine, University of Sassari, Italy
| | - W Boadu
- Department of Clinical and Experimental Medicine, University of Sassari, Italy
| | - G P Sechi
- Department of Clinical and Experimental Medicine, University of Sassari, Italy
| | - C Feliciani
- Section of Dermatology, Department of Clinical and Experimental Medicine, Parma Medical School, Parma, Italy
| | - M Gnarra
- Section of Dermatology, Department of Clinical and Experimental Medicine, Parma Medical School, Parma, Italy
| | - A Zampetti
- Rare diseases and Periodic fevers Research Center, Policlinico A. Gemelli, Rome, Italy
| | - A Salviati
- Department of Neurological and Movement Sciences, University of Verona, Italy
| | - M Scarpelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy
| | - D Orsucci
- Experimental and Clinical Medicine Department, Neurological Clinic, University of Pisa, Italy
| | - U Bonuccelli
- Experimental and Clinical Medicine Department, Neurological Clinic, University of Pisa, Italy
| | - G Siciliano
- Experimental and Clinical Medicine Department, Neurological Clinic, University of Pisa, Italy
| | - M Mancuso
- Experimental and Clinical Medicine Department, Neurological Clinic, University of Pisa, Italy.
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Waly MI, Ali A, Al-Nassri A, Al-Mukhaini M, Valliatte J, Al-Farsi Y. Low nourishment of B-vitamins is associated with hyperhomocysteinemia and oxidative stress in newly diagnosed cardiac patients. Exp Biol Med (Maywood) 2016; 241:46-51. [PMID: 26246496 PMCID: PMC4935428 DOI: 10.1177/1535370215596860] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 06/26/2015] [Indexed: 12/19/2022] Open
Abstract
We are currently witnessing a dramatic change in lifestyle and food choices that is accompanied with an increase in the rate of morbidity and mortality from cardiovascular diseases (CVD). Although studies have reported an association of CVD with hyperhomocysteinemia-mediated oxidative stress, the biochemical basis is not known. This case-control study was aimed to evaluate the nutritional and biochemical status of B-vitamins in relation to hyperhomocysteinemia and oxidative stress in newly diagnosed cardiac patients. The retrospective dietary intake of the study subjects (cases and controls) was estimated using a semi-quantitative food frequency questionnaire, and fasting blood samples were drawn to assess their serum levels of B-vitamins (folate, vitamins B6 and B12), homocysteine (HCY), and oxidative stress indices such as glutathione (GSH), total antioxidant capacity (TAC), malondialdehyde (MDA), and nitrites and nitrates (NN). It was observed that the cases had a lower dietary intake of B-vitamins as compared to their matched control subjects as well as to the corresponding recommended dietary allowances. Biochemical analysis of cases, as compared to controls, indicated depletion of GSH, impairment of TAC, and an elevation in the serum levels of HCY, MDA, and NN. These results suggest that lower status (dietary intake and serum levels) of B-vitamins is involved in the etiology of hyperhomocysteinemia and oxidative stress, the typical risk factors for CVD.
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Affiliation(s)
- Mostafa I Waly
- Food Science and Nutrition Department, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, 123, Sultanate of Oman Nutrition Department, High Institute of Public Health, Alexandria University, El-Hadrah, 165, Egypt
| | - Amanat Ali
- Food Science and Nutrition Department, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, 123, Sultanate of Oman
| | - Amira Al-Nassri
- Nutrition Department, Royal Hospital, Ministry of Health, Muscat, 111, Sultanate of Oman
| | - Mohamed Al-Mukhaini
- Cardiology and Cardiac Surgery Departments, Royal Hospital, Ministry of Health, Muscat, 111, Sultanate of Oman
| | - John Valliatte
- Cardiology and Cardiac Surgery Departments, Royal Hospital, Ministry of Health, Muscat, 111, Sultanate of Oman
| | - Yahya Al-Farsi
- Family Medicine and Public Health Department, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, 123, Sultanate of Oman
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Pu X, Lam L, Gehlken K, Ulappa AC, Rachlow JL, Forbey JS. ANTIOXIDANT CAPACITY OF WYOMING BIG SAGEBRUSH ( ARTEMISIA TRIDENTATA SSP. WYOMINGENSIS) VARIES SPATIALLY AND IS NOT RELATED TO THE PRESENCE OF A SAGEBRUSH DIETARY SPECIALIST. WEST N AM NATURALIST 2015; 75:78-87. [PMID: 26582971 DOI: 10.3398/064.075.0109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Sagebrush (Artemisia spp.) in North America is an abundant native plant species that is ecologically and evolutionarily adapted to have a diverse array of biologically active chemicals. Several of these chemicals, specifically polyphenols, have antioxidant activity that may act as biomarkers of biotic or abiotic stress. This study investigated the spatial variation of antioxidant capacity, as well as the relationship between a mammalian herbivore and antioxidant capacity in Wyoming big sagebrush (Artemisia tridentata wyomingensis). We quantified and compared total polyphenols and antioxidant capacity of leaf extracts from sagebrush plants from different spatial scales and at different levels of browsing by a specialist mammalian herbivore, the pygmy rabbit (Brachylagus idahoensis). We found that antioxidant capacity of sagebrush extracts was positively correlated with total polyphenol content. Antioxidant capacity varied spatially within and among plants. Antioxidant capacity in sagebrush was not related to either browsing intensity or duration of association with rabbits. We propose that the patterns of antioxidant capacity observed in sagebrush may be a result of spatial variation in abiotic stress experienced by sagebrush. Antioxidants could therefore provide a biomarker of environmental stress for sagebrush that could aid in management and conservation of this plant in the threatened sagebrush steppe.
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Affiliation(s)
- Xinzhu Pu
- Biomolecular Research Center, Boise State University, Boise, ID 83725.
| | - Lisa Lam
- Department of Biological Sciences, Boise State University, Boise, ID 83725
| | - Kristina Gehlken
- Department of Biological Sciences, Boise State University, Boise, ID 83725
| | - Amy C Ulappa
- Department of Biological Sciences, Boise State University, Boise, ID 83725. ; School of the Environment, Washington State University, Pullman, WA 99164
| | - Janet L Rachlow
- Department of Fish and Wildlife Sciences, University of Idaho, Moscow, ID 83844
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Oxidative stress parameters of Gaucher disease type I patients. Mol Genet Metab Rep 2015; 4:1-5. [PMID: 26937402 PMCID: PMC4750563 DOI: 10.1016/j.ymgmr.2015.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 05/08/2015] [Accepted: 05/08/2015] [Indexed: 01/08/2023] Open
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Jin HY, Lee KA, Park TS. The effect of exercise on the peripheral nerve in streptozotocin (STZ)-induced diabetic rats. Endocrine 2015; 48:826-33. [PMID: 25253638 DOI: 10.1007/s12020-014-0422-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Accepted: 09/03/2014] [Indexed: 02/02/2023]
Abstract
The exact effectiveness of supportive care activities, such as exercise, in diabetes patients has yet to be elucidated in the diabetic peripheral neuropathy (DPN) field. Therefore, this study was designed to investigate the effect of regular exercise on the peripheral nerves of streptozotocin-induced diabetic rats. The animals were divided as follows into six groups according to exercise combination and glucose control: Normal group, normal group with exercise (EXE), diabetic group (DM), DM group with EXE, DM+glucose control with insulin (INS), and DM+INS+EXE. Animals in the exercise groups were made to walk on a treadmill machine everyday for 30 min at a setting of 8 m/min without inclination. After 8 weeks, sensory parameters were evaluated, and after 16 weeks, biochemicals and peripheral nerves were quantified by immunohistochemistry and compared among experimental groups. The resulting data showed that fasting blood glucose levels and HbA1c levels were not influenced significantly by exercise in normal and DM groups. However, the current perception threshold and the von Frey stimulation test revealed higher thresholds in the DM+INS+EXE group than in the DM+INS group (P<0.05). Significantly lower thresholds were observed in untreated DM groups (DM or DM+EXE) compared to the normal and insulin-treated DM groups (P<0.05). Intra-epidermal nerve fiber density was reduced in a lesser degree in the DM+INS+EXE group than in the DM+INS group (9.8±0.4 vs. 9.1±0.5, P<0.05). Exercise alone was not associated with a significant protective effect on the peripheral nerve in the normal or DM groups; however, a beneficial effect from exercise was observed when hyperglycemia was controlled with insulin in the DM group. These findings suggest that exercise has a potential protective effect against DPN based on the preferential effort for glucose control, although exercise alone cannot prevent peripheral nerve damage from hyperglycemia.
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Affiliation(s)
- Heung Yong Jin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Research Institute of Clinical Medicine of Chonbuk National University-Chonbuk National University Hospital, Chonbuk National University, Medical School, 634-18, Keum-Am Dong, Jeonju, 561-712, South Korea
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