Multiple sclerosis (MS) is characterized by chronic inflammation and demyelination of the central nervous system (CNS). Accumulating data indicate that oxidative stress, leading to reactive oxygen species (ROS) production and lipid peroxidation, as well as elevated levels of advanced glycation end products (AGE) in CNS neurons, might play a pivotal role in the pathogenesis of a number of diseases with a neurodegenerative aspect, such as MS. Therefore, polymorphisms of genes encoding endogenous free-radical scavenging systems, such as paraoxonase 1 (PON1), and anti-glycation defences, such as glyoxalase I (GI), could influence susceptibility to MS. In the present study, we have undertaken a case-control study to investigate the possible association of GI A111E, PON1 Q192R and L55M polymorphisms with the risk of MS. The three polymorphisms were characterized in 209 patients with relapsing-remitting MS (RRMS) and in 213 healthy controls by PCR/RFLP methods using DNA from lymphocytes. We found that individuals with the GI/AE-EE genotypes and PON55/LM-MM genotypes had a significantly higher risk of MS compared with the other genotypes. The two polymorphisms appear to be common genetic traits that are associated with an increased risk for MS the analysis of both, in each single case, may be a revealing predictable factor for MS risk. Multiple Sclerosis 2007; 13: 446453. http://msj.sagepub.com

Glyoxalase I A111E, paraoxonase 1 q192R and L55M polymorphisms: susceptibility factors of multiple sclerosis?

SIDOTI, Antonina;RINALDI, Carmela;D'ANGELO, Rosalia;DATTOLA, VINCENZO;GIRLANDA, Paolo;AMATO, Aldo
2007-01-01

Abstract

Multiple sclerosis (MS) is characterized by chronic inflammation and demyelination of the central nervous system (CNS). Accumulating data indicate that oxidative stress, leading to reactive oxygen species (ROS) production and lipid peroxidation, as well as elevated levels of advanced glycation end products (AGE) in CNS neurons, might play a pivotal role in the pathogenesis of a number of diseases with a neurodegenerative aspect, such as MS. Therefore, polymorphisms of genes encoding endogenous free-radical scavenging systems, such as paraoxonase 1 (PON1), and anti-glycation defences, such as glyoxalase I (GI), could influence susceptibility to MS. In the present study, we have undertaken a case-control study to investigate the possible association of GI A111E, PON1 Q192R and L55M polymorphisms with the risk of MS. The three polymorphisms were characterized in 209 patients with relapsing-remitting MS (RRMS) and in 213 healthy controls by PCR/RFLP methods using DNA from lymphocytes. We found that individuals with the GI/AE-EE genotypes and PON55/LM-MM genotypes had a significantly higher risk of MS compared with the other genotypes. The two polymorphisms appear to be common genetic traits that are associated with an increased risk for MS the analysis of both, in each single case, may be a revealing predictable factor for MS risk. Multiple Sclerosis 2007; 13: 446453. http://msj.sagepub.com
2007
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/1721312
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