Evidence map›Paper›PMID 8178828›Full record

ArticleAmerican journal of human genetics1994

Tetrasomy 15q: two marker chromosomes with no detectable alpha-satellite DNA.

E Blennow, H Telenius, D de Vos, C Larsson, P Henriksson, O Johansson, N P Carter, M Nordenskjöld

Abstract readCase ReportsComparative Study
In one paragraph

Article in American journal of human genetics, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
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

23 citing papers in PubMed.

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  9. Reverse painting highlights the origin of chromosome aberrations.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2004
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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.

E BlennowDepartment of Clinical genetics, Karolinska Hospital, Stockholm, Sweden.
H Telenius
D de Vos
C Larsson
P Henriksson
O Johansson
N P Carter
M Nordenskjöld

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Two patients with specific and similar phenotypes were both found to have an unusual marker chromosome present in 70%-80% of their lymphocytes at routine cytogenetic examination. The marker chromosomes were isolated by flow sorting and were amplified by degenerate oligonucleotide-primed PCR. These libraries and a cosmid probe located at 15q26 were used to characterize the marker chromosomes by FISH. Both marker chromosomes were found to consist of duplicated chromosome material from the distal part of chromosome 15q and were identified as inv dup(15) (qter-->q23::q23-->qter) and inv dup(15) (qter-->q24::q24-->qter), respectively. Hence, the markers did not include any known centromere region, and no alpha-satellite DNA could be detected at the site of the primary constriction. Tetrasomy 15q may be a new syndrome, associated with a specific type of marker chromosome. In addition, further analyses of this type of marker chromosome might give new insight into the structure and function of the mammalian centromere.

Indexed as

Chromosome AberrationsChromosomes, Human, Pair 15Abnormalities, MultipleAdultChild, PreschoolChromosome MappingDNA PrimersDNA, SatelliteFemaleGenetic MarkersHumansIn Situ Hybridization, FluorescenceKaryotypingLymphocytesMalePhenotypeDNA PrimersDNA, SatelliteGenetic Markers

Identifiers

PMID8178828
PMCPMC1918253

What OpenQuestion holds

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Registered trials

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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.