Evidence map›Paper›PMID 22794168›Full record

ArticleMolecular cytogenetics2012

Array-based comparative genomic hybridization is more informative than conventional karyotyping and fluorescence in situ hybridization in the analysis of first-trimester spontaneous abortion.

Jinsong Gao, Congcong Liu, Fengxia Yao, Na Hao, Jing Zhou, Qian Zhou, Liang Zhang, Xinyan Liu, Xuming Bian, Juntao Liu

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Article in Molecular cytogenetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

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2 · The registry

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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

20 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Copy number variations in spontaneous abortions: a meta-analysis.Journal of assisted reproduction and genetics · 2025
    Pooled it
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  9. Comprehensive genetic analysis of pregnancy loss by chromosomal microarrays: outcomes, benefits, and challenges.Genetics in medicine : official journal of the American College of Medical Genetics · 2017
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  16. Genetic effects of a 13q31.1 microdeletion detected by noninvasive prenatal testing (NIPT).International journal of clinical and experimental pathology · 2014
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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Jinsong GaoDepartment of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Shuai Fu Yuan No,1, Dongdan, Beijing 100730, People's Republic of China. Liu_jt@sohu.com.
Congcong Liu
Fengxia Yao
Na Hao
Jing Zhou
Qian Zhou
Liang Zhang
Xinyan Liu
Xuming Bian
Juntao Liu

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundArray-based comparative genomic hybridization (aCGH) is a new technique for detecting submicroscopic deletions and duplications, and can overcome many of the limitations associated with classic cytogenetic analysis. However, its clinical use in spontaneous abortion needs comprehensive evaluation. We used aCGH to investigate chromosomal imbalances in 100 spontaneous abortions and compared the results with G-banding karyotyping and fluorescence in situ hybridization (FISH). Inconsistent results were verified by quantitative fluorescence PCR.

resultsAbnormalities were detected in 61 cases. aCGH achieved the highest detection rate (93.4%, 57/61) compared with traditional karyotyping (77%, 47/61) and FISH analysis (68.9%, 42/61). aCGH identified all chromosome abnormalities reported by traditional karyotyping and interphase FISH analysis, with the exception of four triploids. It also detected three additional aneuploidy cases in 37 specimens with 'normal' karyotypes, one mosaicism and 10 abnormalities in 14 specimens that failed to grow in vitro.

conclusionsaCGH analysis circumvents many limitations in traditional karyotyping or FISH. The accuracy and efficiency of aCGH in spontaneous abortions highlights its clinical usefulness for the future. As aborted tissues have the potential to be contaminated with maternal cells, the threshold value of detection in aCGH should be lowered to avoid false negatives.

Identifiers

PMID22794168
PMCPMC3488553

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