The polymorphism of nine STR loci on the genetic original identification of complete hydatidiform mole
2004
: To explore the genetic origin of hydatidiform mole (CHM), 33 cases of CHM were collected mainly from Harbin Red Cross Central hospital from 1998.6 to 2001.5 and studied by multiplex-PCR, products were separated using denaturing polyacrylamide gel and were detected by silver stain for 9 different STR loci analysis. Among 33 samples of CHM, DNA from only paternal origin was found in 27 cases (81.8%, 27/33), and from both parents in 6 cases (18.2%, 6/33); and in the former, the homozygous CHM and the heterozygous CHM were 22 cases (66.7%, 22/33) and 5 cases (15.1%, 5/33), respectively. There was difference between analysis of microsatellite DNA polymorphism and pathological diagnosis in hydatidiform moles' classification. The results suggest that the analysis of 9 polymorphic STR loci is suitable for genetic original identification of hydatidiform moles.
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