Evidence map›Paper›PMID 20713024›Full record

ArticleBrain research2010

(1)H MR spectroscopy in Friedreich's ataxia and ataxia with oculomotor apraxia type 2.

Isabelle Iltis, Diane Hutter, Khalaf O Bushara, H Brent Clark, Myron Gross, Lynn E Eberly, Christopher M Gomez, Gülin Oz

Abstract read
In one paragraph

Article in Brain research, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
1.3field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Multiway sparse distance weighted discrimination.Journal of computational and graphical statistics : a joint publication of American Statistical Association, Institute of Mathematical Statistics, Interface Foundation of North America · 2023
    Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Degenerative Ataxias: challenges in clinical research.Annals of clinical and translational neurology · 2017
    Review
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 1 country.

Isabelle IltisCenter for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN 55455, USA. isabelle@cmrr.umn.edu
Diane Hutter
Khalaf O Bushara
H Brent Clark
Myron Gross
Lynn E Eberly
Christopher M Gomez
Gülin Oz
University of Minnesota · USResonance Research (United States) · USUniversity of Chicago · US

Funding

University of Minnesota Clinical and Translational Science Institute (UMN CTSI)UL1TR000114 · NCATS · UNIVERSITY OF MINNESOTA · PI BLAZAR, BRUCE R · 2012 to 2015
$35.0M
YOUTH DRUG ABUSE, ADHD, AND RELATED DISRUPTIVE DISORDERSM01RR000400 · NCRR · UNIVERSITY OF MINNESOTA TWIN CITIES · PI BACHANOVA, VERONIKA S · 1985 to 2009
$33.7M
ZOOMED FUNCT IMAGING IN HUMAN BRAIN AT 7T W/ SIMULT HIGH SPATIAL &TEMPORAL RESP41RR008079 · NCRR · UNIVERSITY OF MINNESOTA TWIN CITIES · PI VAN DE MOORTELE, PIERRE-FRANCOIS · 1993 to 2011
$16.3M
Neuroscience Cores For MR Studies of the BrainP30NS057091 · NINDS · UNIVERSITY OF MINNESOTA · PI UGURBIL, KAMIL · 2006 to 2011
$8.5M
Non-Invasive Quantitation of Cellular and Biochemical Changes in Hereditary AtaxiR21NS056172 · NINDS · UNIVERSITY OF MINNESOTA · PI OZ, GULIN · 2008 to 2009
$346k
NCATS NIH HHS UL1 TR000114NCRR NIH HHS M01 RR000400NCRR NIH HHS M01RR00400NCRR NIH HHS P41 RR008079NCRR NIH HHS P41RR008079NINDS NIH HHS P30 NS057091NINDS NIH HHS P30NS057091NINDS NIH HHS R21 NS056172NINDS NIH HHS R21NS056172
6 · The paper itself

Abstract

BACKGROUND AND

aimFriedreich's ataxia (FRDA) and ataxia with oculomotor apraxia type 2 (AOA2) are the two most frequent forms of autosomal recessive cerebellar ataxias. However, brain metabolism in these disorders is poorly characterized and biomarkers of the disease progression are lacking. We aimed at assessing the neurochemical profile of the pons, the cerebellar hemisphere and the vermis in patients with FRDA and AOA2 to identify potential biomarkers of these diseases.

methodsShort-echo, single-voxel proton ((1)H) magnetic resonance spectroscopy data were acquired from 8 volunteers with FRDA, 9 volunteers with AOA2, and 38 control volunteers at 4T. Disease severity was assessed by the Friedreich's Ataxia Rating Scale (FARS).

resultsNeuronal loss/dysfunction was indicated in the cerebellar vermis and hemispheres in both diseases by lower total N-acetylaspartate levels than controls. The putative gliosis marker myo-inositol was higher than controls in the vermis and pons in AOA2 and in the vermis in FRDA. Total creatine, another potential gliosis marker, was higher in the cerebellar hemispheres in FRDA relative to controls. Higher glutamine in FRDA and lower glutamate in AOA2 than controls were observed in the vermis, indicating different mechanisms possibly leading to altered glutamatergic neurotransmission. In AOA2, total N-acetylaspartate levels in the cerebellum strongly correlated with the FARS score (p<0.01).

conclusionDistinct neurochemical patterns were observed in the two patient populations, warranting further studies with larger patient populations to determine if the alterations in metabolite levels observed here may be utilized to monitor disease progression and treatment.

Indexed as

Magnetic Resonance SpectroscopyProtonsAdultAspartic AcidBrain MappingCreatineFemaleFriedreich AtaxiaGait AtaxiaGlutamic AcidHumansInositolMagnetic Resonance ImagingMaleMiddle AgedOcular Motility DisordersAspartic AcidCreatineGlutamic AcidInositolN-acetylaspartateProtons

Identifiers

PMID20713024
PMCPMC2949538
OpenAlexW2063040551

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.