Thioredoxin system regulation in the central nervous system: experimental models and clinical evidence. 2014

Daniela Silva-Adaya, and María E Gonsebatt, and Jorge Guevara
Laboratorio Experimental de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía, 14269 México City, DF, Mexico.

The reactive oxygen species produced continuously during oxidative metabolism are generated at very high rates in the brain. Therefore, defending against oxidative stress is an essential task within the brain. An important cellular system against oxidative stress is the thioredoxin system (TS). TS is composed of thioredoxin, thioredoxin reductase, and NADPH. This review focuses on the evidence gathered in recent investigations into the central nervous system, specifically the different brain regions in which the TS is expressed. Furthermore, we address the conditions that modulate the thioredoxin system in both, animal models and the postmortem brains of human patients associated with the most common neurodegenerative disorders, in which the thioredoxin system could play an important part.

UI MeSH Term Description Entries
D002490 Central Nervous System The main information-processing organs of the nervous system, consisting of the brain, spinal cord, and meninges. Cerebrospinal Axis,Axi, Cerebrospinal,Axis, Cerebrospinal,Central Nervous Systems,Cerebrospinal Axi,Nervous System, Central,Nervous Systems, Central,Systems, Central Nervous
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013312 Stress, Physiological The unfavorable effect of environmental factors (stressors) on the physiological functions of an organism. Prolonged unresolved physiological stress can affect HOMEOSTASIS of the organism, and may lead to damaging or pathological conditions. Biotic Stress,Metabolic Stress,Physiological Stress,Abiotic Stress,Abiotic Stress Reaction,Abiotic Stress Response,Biological Stress,Metabolic Stress Response,Physiological Stress Reaction,Physiological Stress Reactivity,Physiological Stress Response,Abiotic Stress Reactions,Abiotic Stress Responses,Abiotic Stresses,Biological Stresses,Biotic Stresses,Metabolic Stress Responses,Metabolic Stresses,Physiological Stress Reactions,Physiological Stress Responses,Physiological Stresses,Reaction, Abiotic Stress,Reactions, Abiotic Stress,Response, Abiotic Stress,Response, Metabolic Stress,Stress Reaction, Physiological,Stress Response, Metabolic,Stress Response, Physiological,Stress, Abiotic,Stress, Biological,Stress, Biotic,Stress, Metabolic
D013879 Thioredoxins Hydrogen-donating proteins that participates in a variety of biochemical reactions including ribonucleotide reduction and reduction of PEROXIREDOXINS. Thioredoxin is oxidized from a dithiol to a disulfide when acting as a reducing cofactor. The disulfide form is then reduced by NADPH in a reaction catalyzed by THIOREDOXIN REDUCTASE. Thioredoxin,Thioredoxin 1,Thioredoxin 2,Thioredoxin-1,Thioredoxin-2
D013880 Thioredoxin-Disulfide Reductase A FLAVOPROTEIN enzyme that catalyzes the oxidation of THIOREDOXINS to thioredoxin disulfide in the presence of NADP+. It was formerly listed as EC 1.6.4.5 Thioredoxin Reductase (NADPH),NADP-Thioredoxin Reductase,NADPH-Thioredoxin Reductase,Thioredoxin Reductase,NADP Thioredoxin Reductase,NADPH Thioredoxin Reductase,Reductase, NADP-Thioredoxin,Reductase, NADPH-Thioredoxin,Reductase, Thioredoxin,Reductase, Thioredoxin-Disulfide,Thioredoxin Disulfide Reductase
D019636 Neurodegenerative Diseases Hereditary and sporadic conditions which are characterized by progressive nervous system dysfunction. These disorders are often associated with atrophy of the affected central or peripheral nervous system structures. Degenerative Diseases, Nervous System,Degenerative Diseases, Central Nervous System,Degenerative Diseases, Neurologic,Degenerative Diseases, Spinal Cord,Degenerative Neurologic Diseases,Degenerative Neurologic Disorders,Nervous System Degenerative Diseases,Neurodegenerative Disorders,Neurologic Degenerative Conditions,Neurologic Degenerative Diseases,Neurologic Diseases, Degenerative,Degenerative Condition, Neurologic,Degenerative Conditions, Neurologic,Degenerative Neurologic Disease,Degenerative Neurologic Disorder,Neurodegenerative Disease,Neurodegenerative Disorder,Neurologic Degenerative Condition,Neurologic Degenerative Disease,Neurologic Disease, Degenerative,Neurologic Disorder, Degenerative,Neurologic Disorders, Degenerative

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