The intensity of the silver staining of nucleolus organizing regions (NORs) and the frequency of chromosomal associations were studied before and after antithyroid treatment in seven and eight hyperthyroid patients, respectively. For one patient, the NOR staining was significantly more intense after
Frequencies of Active Nucleolus Organizing Regions in Young and Old People
β Scribed by C. H. C. M. Buys; J. Osinga; G. J. P. A. Anders
- Book ID
- 119838711
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 68 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0009-9163
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The Ag-stainability of the nucleolus organizer region (NOR) was studied in the acrocentric chromosomes identified by Q-banding of cultured lymphocytes in 51 karyotypically normal persons (31 males and 20 females). A consistent pattern of Ag-positive NORs was found in each individual. Ninety percent
A combination of the silver-staining method of the nucleolus organizer regions (NORs) with a Giemsa-banding method is described. This double staining allows a rapid identification of the NOR-bearing chromosomes.
Ag-NOR staining and a counterstain-enhanced fluorescence technique (chromomycin A3/distamycin A/DAPI staining = CDD-method) have been applied to ibex (Capra ibex L.), chamois (Rupicapra rupicapra L.) and bison (Bison bison L.) chromosomes. Chromomycin A3 visualization led to a well defined R-banding