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Ekshiian A.Iu., Livshits L.A.
An analysis of chimeric SMN genes--new possibilities in the study of the molecular genetic nature of mutations and in the diagnosis of spinal muscular atrophy (SMA)
Cytology and Genetics 1999, v 33, number 3, 21-26
Results of analysis of chimeric SMN genes among some high SMA-risk families from Ukraine using the EcoRV and DdeI restriction enzyme hydrolysis of PCR products is presented. Chimeric cen/telSMN gene was detected in probands with homozygous deletions of telSMN exon 7 only, as well in proband with absent of homozygous deletion of exons 7 and/or 8 of the SMN gene. Effectivity of approach of detection of chimeric SMN genes based on the EcoRV and DdeI restriction enzyme analysis of PCR products and mechanisms of formation of chimeric SMN genes are discussed.
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