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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/7562

Title: Basic Science in Medicine- A PROSPECTIVE STUDY ON RAPID PRENATAL DIAGNOSIS OF TRISOMY 21 IN UNCULTURED AMNIOCYTES USING INTERPHASE FLUORESCENCE IN SITU HYBRIDISATION AND AN ALU-PCR AMPLIFIED YAC CLONE
Authors: Mohaddes, S. M.
Tabatabaei, S. M.
Mohseni, J.
Keywords: Down syndrome, Interphase FISH, Alu-PCR, YAC Clone.
Issue Date: 31-Dec-2005
Publisher: National Research Centre of Medical Sciences of I.R. IRAN
Citation: Medical Journal of The Islamic Republic of Iran (ISSN: 1016-1430) Vol 19 Num 2
Abstract: Background: Herein we report the result of a prospective study directly comparing aneuploidy detection of chromosome 21 by fluorescence in situ hybridisation in interphase nuclei with the results obtained by cytogenetic analysis. Methods: The inter-Alu sequences in chromosome 21 specific YAC clone were amplified by polymerase chain reaction (PCR). The resulting DNA probe was used for fluorescence in situ suppression hybridisation to detect the copy numbers of chromosome 21 in interphase nuclei. Results and Conclusion: A total of 214 independent amniotic fluid samples were analysed in a blind fashion. The combination of specific probe and optimized hybridisation and detection conditions allowed accurate enumeration of chromosome 21 in uncultured amniotic fluid cells consistent with the results obtained by traditional cytogenetic analysis.
URI: http://hdl.handle.net/1807/7562
Other Identifiers: http://www.bioline.org.br/abstract?id=mr05012
Rights: Copyright 2005 -Medical Journal of the Islamic Republic of Iran
Appears in Collections:Bioline International Legacy Collection

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