Evidence map›Paper›PMID 18165273›Full record

ArticleThe Journal of molecular diagnostics : JMD2008

A rapid polymerase chain reaction-based screening method for identification of all expanded alleles of the fragile X (FMR1) gene in newborn and high-risk populations.

Flora Tassone, Ruiqin Pan, Khaled Amiri, Annette K Taylor, Paul J Hagerman

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of molecular diagnostics : JMD, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 243 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
243citing papers in PubMed, 2 pooled it
8.7field-weighted citation impact, top 2% 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

243 citing papers in PubMed, 2 syntheses or guidelines pooled it, 351 citations in OpenAlex.

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  5. Memantine effects on verbal memory in fragile X-associated tremor/ataxia syndrome (FXTAS): a double-blind brain potential study.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2014
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  17. Depression Symptom Trajectories in Mothers With the FMR1 Premutation Vary by CGG Repeat Length: A Longitudinal Study of 73 Women Spanning 20-75 Years of Age.American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics · 2025
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183 more citing papers are in PubMed but not listed here.

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

5 authors at 3 institutions in 2 countries.

Flora TassoneDepartment of Biochemistry and Molecular Medicine, University of California, Davis, School of Medicine, Davis, California 95616, USA. ftassone@ucdavis.edu
Ruiqin Pan
Khaled Amiri
Annette K Taylor
Paul J Hagerman
University of California, Davis · USDenver School of Nursing · USUnited Arab Emirates University · AE

Funding

Restoring FMRP Phenotypes Frpm Temporal Regional and Splice- Isoforms VarationsP30HD002274 · NICHD · UNIVERSITY OF WASHINGTON · PI GURALNICK, MICHAEL J · 1985 to 2013
$33.6M
Expression of the Fragile X GeneR01HD040661 · NICHD · UNIVERSITY OF CALIFORNIA DAVIS · PI HAGERMAN, PAUL J · 2002 to 2016
$4.3M
NICHD NIH HHS HD02274NICHD NIH HHS HD040661NICHD NIH HHS P30 HD002274NICHD NIH HHS R01 HD040661
6 · The paper itself

Abstract

Fragile X syndrome, the most common inherited cause of intellectual impairment and the most common single gene associated with autism, generally occurs for fragile X mental retardation 1 (FMR1) alleles that exceed 200 CGG repeats (full-mutation range). Currently, there are no unbiased estimates of the number of full-mutation FMR1 alleles in the general population; a major obstacle is the lack of an effective screening tool for expanded FMR1 alleles in large populations. We have developed a rapid polymerase chain reaction (PCR)-based screening tool for expanded FMR1 alleles. The method utilizes a chimeric PCR primer that targets randomly within the expanded CGG region, such that the presence of a broad distribution of PCR products represents a positive result for an expanded allele. The method is applicable for screening both males and females and for allele sizes throughout the premutation (55 to 200 CGG repeats) and full-mutation ranges. Furthermore, the method is capable of rapid detection of expanded alleles using as little as 1% of the DNA from a single dried blood spot. The methodology presented in this work is suitable for screening large populations of newborn or those at high risk (eg, autism, premature ovarian failure, ataxia, dementia) for expanded FMR1 alleles. The test described herein costs less than $5 per sample for materials; with suitable scale-up and automation, the cost should approach $1 per sample.

Indexed as

AllelesGenetic Predisposition to DiseaseDNA PrimersDNA, RecombinantElectrophoresis, Agar GelFemaleFragile X Messenger Ribonucleoprotein 1Genetic TestingHeterozygoteHomozygoteHumansInfant, NewbornMaleMutationPolymerase Chain ReactionSoftware DesignDNA PrimersDNA, RecombinantFMR1 protein, humanFragile X Messenger Ribonucleoprotein 1

Identifiers

PMID18165273
PMCPMC2175542
OpenAlexW2069017725

What OpenQuestion holds

Textmetadata
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.