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. 1993 Apr;46(4):346–348. doi: 10.1136/jcp.46.4.346

Diagnosis of complete molar pregnancy by microsatellites in archival material.

S A Lane 1, G R Taylor 1, B Ozols 1, P Quirke 1
PMCID: PMC501217  PMID: 8496392

Abstract

AIMS--To develop an assay which would determine the parentage of hydatidiform molar pregnancies. METHODS--DNA was extracted from formalin fixed, paraffin wax embedded tissue from hydatidiform molar pregnancies and spontaneous abortions after separation of chorionic villi and decidua. PCR amplification of dinucleotide repeat sequences ("microsatellites") was performed using three different primers. Products were radioactively labelled and visualised by autoradiography of dried polyacrylamide gels. RESULTS--With informative microsatellites, diagnostic patterns of amplification were obtained. Complete moles yielded either one or two microsatellites which differed from both maternal (decidual) microsatellites. Complete mole could be excluded by all the microsatellites showing alleles identical with those in maternal DNA. CONCLUSIONS--This technique offers a method of determining the presence of entirely paternal alleles in a molar pregnancy and thus confirming a complete hydatidiform mole.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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