Mechanisms of aluminium neurotoxicity in oxidative stress-induced ...

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CHAPTER 3 Fig. 6 In vitro effects of Al 3+ (5 �M) on TBARS formation (A), protein carbonyl content (B), and protein thiol content (C) induced by the autoxidation of 6-OHDA (10 �M) in mitochondrial preparations (1 mg protein/ml) from rat brain. Mitochondria incubations were performed in phosphate buffer (pH 7.4, KCl isotonic) at 37°C for 20 min. Abbreviation: Al, aluminium. Data are expressed as means � SD from five independent experiments. Significance of differences among groups was assessed by a one-way ANOVA followed by a Bonferroni‟s test. Asterisks, pads and section sign denote values significantly different from the corresponding controls: Mit, Mit+Al, and Mit+6-OHDA, respectively (*, # , p < 0.05; ***, # # # , p < 0.001). 146
CHAPTER 3 147
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Universidade de Santiago de Compost
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Don Ramón Soto Otero y Doña Estef
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Acknowledgements The work of this t
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Abbreviations AA ascorbic acid AD A
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Abbreviations (continuation) PCC pr
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List of figures (continuation) Chap
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TABLE OF CONTENTS INTRODUCTION ....
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CHAPTER 3 Brain oxidative stress an
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INTRODUCTION PARKINSON’S DISEASE
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INTRODUCTION PD is found in all eth
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Bradykinesia INTRODUCTION Bradykine
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INTRODUCTION predate the occurrence
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Table 1: Differential diagnostic in
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INTRODUCTION Table 3: National Inst
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Figure 4: Dopamine catabolism (Mén
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The basal ganglia INTRODUCTION The
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The death of SNpc DAergic neurons I
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INTRODUCTION the dorsomedial part o
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INTRODUCTION characterized as are l
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INTRODUCTION (Olanow et al. 2004).
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Etiology and pathogenesis of PD INT
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Ageing INTRODUCTION Ageing remains
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INTRODUCTION The finding of MPTP to
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INTRODUCTION may clarify why many n
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Misfolding and aggregation of prote
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INTRODUCTION (E3) (Figure 18A). Los
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INTRODUCTION in connection with Par
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INTRODUCTION Oxidative damage happe
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DA metabolism as a source of ROS IN
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Contribution of oxidative and nitro
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Excitotoxicity INTRODUCTION Glutama
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INTRODUCTION al. 1996, Cicchetti et
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Experimental models of PD INTRODUCT
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INTRODUCTION induce selective DAerg
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ALUMINIUM General features INTRODUC
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INTRODUCTION Varying amounts of alu
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INTRODUCTION and antiperspirants co
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INTRODUCTION approximately 3% of al
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Excretion INTRODUCTION As insoluble
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INTRODUCTION 3.5 mg may be increase
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INTRODUCTION Oteiza 1999), non-iron
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Aluminium as a cell membrane menace
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INTRODUCTION mobilization of Ca 2+
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Aluminium impairs neurotransmission
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AIMS OF THE PRESENT THESIS The main
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OBJETIVOS
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OBJETIVOS 3) Evaluar de forma preci
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CHAPTER 1 Time-course of brain oxid
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CHAPTER 1 INTRODUCTION 86 6-OHDA (2
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CHAPTER 1 MATERIALS AND METHODS Che
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CHAPTER 1 followed by centrifugatio
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CHAPTER 1 RESULTS Effects of 6-OHDA
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CHAPTER 1 DISCUSSION 94 As shown by
Page 120 and 121: CHAPTER 1 strategies or to study th
Page 122 and 123: CHAPTER 1 Fig. 2 Changes in PCC in
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Page 129 and 130: ABSTRACT CHAPTER 2 In the present w
Page 131 and 132: MATERIALS AND METHODS Chemicals CHA
Page 133 and 134: CHAPTER 2 atomization used were 1,5
Page 135 and 136: DISCUSSION CHAPTER 2 Aluminium ente
Page 137: Table 1. Graphite furnace programme
Page 141: CHAPTER 3 Brain oxidative stress an
Page 144 and 145: CHAPTER 3 INTRODUCTION 120 The huma
Page 146 and 147: CHAPTER 3 MATERIALS AND METHODS Che
Page 148 and 149: CHAPTER 3 1:15 for hippocampus and
Page 150 and 151: CHAPTER 3 initially incorporated to
Page 152 and 153: CHAPTER 3 RESULTS In vivo effects o
Page 154 and 155: CHAPTER 3 Effects of aluminium admi
Page 156 and 157: CHAPTER 3 DISCUSSION 132 Aluminium
Page 158 and 159: CHAPTER 3 hippocampus, showed simil
Page 160 and 161: CHAPTER 3 assume that the distinct
Page 162 and 163: CHAPTER 3 Fig. 1 Levels of TBARS (A
Page 164 and 165: CHAPTER 3 Fig. 2 Enzyme activity of
Page 166 and 167: CHAPTER 3 Fig. 3 Microphotographs s
Page 168 and 169: CHAPTER 3 Fig. 5 Levels of TBARS (A
Page 173: SUMMARY
Page 176 and 177: SUMMARY values were attained at 48
Page 178 and 179: SUMMARY neurodegeneration in the DA
Page 181 and 182: CONCLUSIONS The results obtained in
Page 183: 13) Aluminium does affect neither M
Page 187 and 188: RESUMEN RESUMEN Desde el punto de v
Page 189 and 190: RESUMEN zonas cerebrales excepto en
Page 191: CONCLUSIONES
Page 194 and 195: CONCLUSIONES Capítulo 2 4) La admi
Page 196 and 197: CONCLUSIONES 172 En base a las conc
Page 199 and 200: Publications as a direct result fro
Page 201: REFERENCES
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