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Title:Hitro prenatalno določanje številčnosti spolnih kromosomov : predstavitev metodologije z verifikacijo postopka
Authors:ID Erjavec Škerget, Alenka (Author)
ID Stangler Herodež, Špela (Author)
ID Zagradišnik, Boris (Author)
ID Kokalj-Vokač, Nadja (Author)
Files:.pdf RAZ_Erjavec_Skerget_Alenka_2013.pdf (948,87 KB)
MD5: 94F89F37EC86811073A1A7FF4DE40F4E
 
URL https://journals.um.si/index.php/anali-pazu/article/view/1963
 
Language:Slovenian
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:UZUM - University of Maribor Press
Abstract:Kvantitativna fluorescentna verižna reakcija s polimerazo (QF-PCR) je uveljavljena metoda za usmerjeno, hitro, zanesljivo in poceni določanje najpomembnejših kromosomskih anomalij v prenatalni diagnostiki. To so trisomije kromosomov 13, 18 in 21, ki jih v Laboratoriju za medicinsko genetiko UKC Maribor rutinsko določamo od leta 2008 z lastno razvitim testom. Določanje številčnih sprememb kromosomov X in Y je del QF-PCR testa, ko se ta izvaja kot samostojni test. Trenutno veljavne smernice britanskega združenja za klinično citogenetiko priporočajo usmerjeno diagnostiko oz. preiskovanje prenatalnih vzorcev z metodo QF-PCR ob utemeljenem sumu na številčne anomalije spolnih kromosomov. V prispevku predstavljamo metodologijo in verifikacijo določanja številčnih anomalij kromosomov X in Y z uporabo mikrosatelitnih genetskih označevalcev z metodo QF-PCR. Gre za razširitev zmožnosti QF-PCR analize lastnega razvoja, ki vključuje pripravo optimiziranih kombinacij dodatnih devet začetnih oligonukleotidov, specifičnih za kromosoma X in/ali Y za izvajanje hkratne verižne reakcije s polimerazo. Za verifikacijo smo uporabili 23 predhodno citogenetsko opredeljenih vzorcev s prisotnimi različnimi oblikami odstopanj v številu kromosomov X in Y. Predstavljeni so tudi rezultati verifikacije metode, ki je pokazala 100% ujemanje rezultatov.
Keywords:prenatalna diagnostika, humana genetika, številčne kromosomske spremembe, spolni kromosomi, kvantitativna fluorescentna verižna reakcija s polimerazo, QF-PCR
Publication status:Published
Publication version:Version of Record
Publication date:01.01.2013
Place of publishing:Maribor
Publisher:Univerza v Mariboru, Univerzitetna založba
Year of publishing:2013
Number of pages:9
Numbering:Letn.3, št.2
PID:20.500.12556/DKUM-97383 New window
UDC:575
ISSN on article:2820-364X
COBISS.SI-ID:4938559 New window
DOI:10.18690/analipazu.3.2.95-103.2013 New window
Publication date in DKUM:03.03.2026
Views:163
Downloads:2
Metadata:XML DC-XML DC-RDF
Categories:Misc.
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Record is a part of a journal

Title:Anali PAZU
Publisher:Združenje Pomurska akademsko znanstvena unija, Združenje Pomurska akademsko znanstvena unija, Univerzitetna založba Univerze v Mariboru
ISSN:2232-416X
COBISS.SI-ID:257553152 New window

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

Secondary language

Language:English
Title:Rapid Prenatal Detection of Sex Chromosome Aneuploidies : The Methodology and the Verification
Abstract:Quantitative fluorescent polymerase chain reaction (QF-PCR) is an established method for targeted, fast, reliable, and economically beneficial determination of common chromosomal abnormalities in prenatal diagnosis. The most common chromosomal abnormalities in prenatal genetics are trisomies of chromosomes 13, 18 and 21. In Laboratory of Medical Genetics, University Medical Centre Maribor, we use in-house developed QF-PCR testing for detecting them since 2008. Determination of the numerical changes in sex chromosomes X and Y is part of QF-PCR testing, when it is implemented as a separate test. The current guidelines of the British Association for Clinical Cytogenetics are recommending the use of QF-PCR testing for sex chromosomes only as targeted diagnostics at cases with reasonable suspicion of numerical abnormalities on sex chromosomes. In this paper we present QF-PCR methodology by using 9 additional sex chromosomes microsatellite genetic markers. It is based on the extension of in-house developed QF-PCR analysis, which involves the preparation of optimized combinations of primers, specific for the chromosome X and/or Y in order to carry out the optimal system for simultaneous polymerase chain reaction. For the validation analysis we used 23 cytogenetic well-defined patterns with the presence of different types of numerical variations of chromosomes X and Y. The results of the validation analysis are presented, the 100% matching was achieved.
Keywords:Quantitative fluorescent polymerase chain reaction (QF-PCR) is an established method for targeted, fast, reliable, and economically beneficial determination of common chromosomal abnormalities in prenatal diagnosis. The most common chromosomal abnormalities in prenatal genetics are trisomies of chromosomes 13, 18 and 21. In Laboratory of Medical Genetics, University Medical Centre Maribor, we use in-house developed QF-PCR testing for detecting them since 2008. Determination of the numerical changes in sex chromosomes X and Y is part of QF-PCR testing, when it is implemented as a separate test. The current guidelines of the British Association for Clinical Cytogenetics are recommending the use of QF-PCR testing for sex chromosomes only as targeted diagnostics at cases with reasonable suspicion of numerical abnormalities on sex chromosomes. In this paper we present QF-PCR methodology by using 9 additional sex chromosomes microsatellite genetic markers. It is based on the extension of in-house developed QF-PCR analysis, which involves the preparation of optimized combinations of primers, specific for the chromosome X and/or Y in order to carry out the optimal system for simultaneous polymerase chain reaction. For the validation analysis we used 23 cytogenetic well-defined patterns with the presence of different types of numerical variations of chromosomes X and Y. The results of the validation analysis are presented, the 100% matching was achieved.


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