NDLI: Identification of new ANG gene mutations in a large cohort of Italian patients with amyotrophic lateral sclerosis

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Identification of new ANG gene mutations in a large cohort of Italian patients with amyotrophic lateral sclerosis

Content Provider	Springer Nature Link
Author	Gellera, Cinzia Colombrita, Claudia Ticozzi, Nicola Castellotti, Barbara Bragato, Cinzia Ratti, Antonia Taroni, Franco Silani, Vincenzo
Copyright Year	2007
Abstract	Angiogenin (ANG) gene, coding for an angiogenic factor up-regulated by hypoxia and expressed in ventral horn motor neurons, is a novel candidate for the pathogenesis of amyotrophic lateral sclerosis (ALS). ALS is a fatal neurodegenerative disease characterized by the selective loss of cortical and spinal motor neurons. Missense mutations in ANG gene have been identified in two ALS populations from Northern Europe and North America, both in familial (FALS) and sporadic (SALS) patients, but they do not seem to be frequent in the Italian population. We performed a mutational screening in a large cohort of 737 Italian ALS patients, including 605 SALS and 132 FALS cases. We identified seven different mutations, five of which are novel, in nine patients (six SALS and three FALS), but not in 515 healthy controls. Three mutations are located in the signal peptide region, three in the coding sequence, and one in the 3′ untranslated region. In our ALS population, the observed mutational frequency of ANG gene accounts for about 1.2%, with an overrepresentation of FALS (2.3%) compared to SALS (1%) cases. We also found the previously described I46V substitution in six patients and four controls, suggesting that this mutation may represent a benign variant, at least in the Italian population. Our results provide further evidence of a tight link between angiogenesis and ALS pathogenesis and suggest that mutations in ANG gene are associated with an increased risk to develop ALS.
Starting Page	33
Ending Page	40
Page Count	8
File Format	PDF
ISSN	13646745
Journal	Neurogenetics
Volume Number	9
Issue Number	1
e-ISSN	13646753
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-12-18
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Motor neuron disease Amyotrophic lateral sclerosis Angiogenin Case-control studies Risk factors Molecular Medicine Human Genetics Neurosciences
Content Type	Text
Resource Type	Article
Subject	Genetics Cellular and Molecular Neuroscience Genetics (clinical)

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