[Simultaneous identification of the nucleolar organizing regions and G bands in obstetrical cytogenetic studies]

E Aguilar Parada¹, M Rábago Velasco, M Espinosa Torres

¹Hospital de Oncología Centro Médico Nacional Siglo XXI, IMSS, México, D.F.

|October 1, 1992

Abstract:

An improvement of the silver-staining method of the nucleolus organizer region with simultaneous trypsin-Giemsa-banding is described. The combined demonstration of such regions (which express the transcriptive activity of ribosomal ribonucleic acid genes) and the precise identification of chromosomes, particularly acrocentric chromosomes, should be of value in the investigation of parents with spontaneous abortion in whom abnormal acrocentric chromosomes are often encountered.

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Abstract:

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