User profiles for "author:Richard Orrell"

Richard Orrell

Associate Professor
Verified email at ucl.ac.uk
Cited by 17515

C9orf72 expansions in frontotemporal dementia and amyotrophic lateral sclerosis

JD Rohrer, AM Isaacs, S Mizielinska, S Mead… - The Lancet …, 2015 - thelancet.com
C9orf72 hexanucleotide repeat expansions are the most common cause of familial
frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS) worldwide. The …

Pathogenesis of amyotrophic lateral sclerosis

S Morgan, RW Orrell - British medical bulletin, 2016 - discovery.ucl.ac.uk
INTRODUCTION: Amyotrophic lateral sclerosis (ALS) or motor neuron disease is a rapidly
progressive neurodegenerative disorder. The primary involvement is of motor neurons in the …

[PDF][PDF] A hexanucleotide repeat expansion in C9ORF72 is the cause of chromosome 9p21-linked ALS-FTD

AE Renton, E Majounie, A Waite, J Simón-Sánchez… - Neuron, 2011 - cell.com
The chromosome 9p21 amyotrophic lateral sclerosis-frontotemporal dementia (ALS-FTD)
locus contains one of the last major unidentified autosomal-dominant genes underlying …

Antioxidant treatment for amyotrophic lateral sclerosis or motor neuron disease

RW Orrell, RJM Lane, M Ross - Cochrane Database of …, 2007 - cochranelibrary.com
Background Free radical accumulation and oxidative stress have been proposed as
contributing to the progression of amyotrophic lateral sclerosis (or motor neuron disease). A …

[HTML][HTML] Frequency of the C9orf72 hexanucleotide repeat expansion in patients with amyotrophic lateral sclerosis and frontotemporal dementia: a cross-sectional study

E Majounie, AE Renton, K Mok, EGP Dopper… - The Lancet …, 2012 - thelancet.com
Background We aimed to accurately estimate the frequency of a hexanucleotide repeat
expansion in C9orf72 that has been associated with a large proportion of cases of …

Genome-wide association analyses identify new risk variants and the genetic architecture of amyotrophic lateral sclerosis

W Van Rheenen, A Shatunov, AM Dekker… - Nature …, 2016 - nature.com
To elucidate the genetic architecture of amyotrophic lateral sclerosis (ALS) and find
associated loci, we assembled a custom imputation reference panel from whole-genome …

Mutations in the Matrin 3 gene cause familial amyotrophic lateral sclerosis

JO Johnson, EP Pioro, A Boehringer, R Chia… - Nature …, 2014 - nature.com
MATR3 is an RNA-and DNA-binding protein that interacts with TDP-43, a disease protein
linked to amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. Using exome …

Neurofilament light chain: a prognostic biomarker in amyotrophic lateral sclerosis

CH Lu, C Macdonald-Wallis, E Gray, N Pearce… - Neurology, 2015 - AAN Enterprises
Objective: To test blood and CSF neurofilament light chain (NfL) levels in relation to disease
progression and survival in amyotrophic lateral sclerosis (ALS). Methods: Using an …

[PDF][PDF] Large C9orf72 hexanucleotide repeat expansions are seen in multiple neurodegenerative syndromes and are more frequent than expected in the UK …

J Beck, M Poulter, D Hensman, JD Rohrer… - The American Journal of …, 2013 - cell.com
Hexanucleotide repeat expansions in C9orf72 are a major cause of frontotemporal lobar
degeneration (FTLD) and amyotrophic lateral sclerosis (ALS). Understanding the disease …

Analysis of amyotrophic lateral sclerosis as a multistep process: a population-based modelling study

A Al-Chalabi, A Calvo, A Chio, S Colville… - The Lancet …, 2014 - thelancet.com
Background Amyotrophic lateral sclerosis shares characteristics with some cancers, such as
onset being more common in later life, progression usually being rapid, the disease affecting …