● Amaphaneli e-exome amabili atholakalayo asekelwe ekuthuthukisweni okuhlosiwe okunama-probe: Sure Khetha Human All Exon v6 (Agilent) kanye ne-xGen Exome Hybridization Panel v2 (IDT).
● Ukulandelanisa ku-Illumina NovaSeq.
● Ipayipi le-bioinformatiki eliqondiswe ekuhlaziyeni isifo noma ekuhlaziyeni isimila.
●Iphokophele Isifunda Sokubhala Amaprotheni: Ngokuthwebula nokuhlela izifunda zekhodi yamaprotheni, i-hWES isetshenziselwa ukuveza okuhlukile okuhlobene nesakhiwo samaprotheni.
●Kuqiza kahle:I-hWES ikhiqiza cishe u-85% wezinguquko ezihambisana nesifo somuntu kusuka ku-1% wegenome yomuntu.
●Ukunemba Okuphezulu: Ngokujula kokulandelana okuphezulu, i-hWES isiza ukutholwa kwakho kokubili okuhlukile okujwayelekile nokuhlukile okungajwayelekile okunamafrikhwensi angaphansi kuka-1%.
●Ukulawulwa Kwekhwalithi Okuqinile: Sisebenzisa amaphuzu amahlanu okulawula abalulekile kuzo zonke izigaba, kusukela kusampula nokulungiswa komtapo wezincwadi ukuya ekulandeleni nasekulandeleni i-bioinformatics. Lokhu kuqapha ngokucophelela kuqinisekisa ukulethwa kwemiphumela ehlala njalo yekhwalithi ephezulu.
●Ukuhlaziywa Kwe-Bioinformatics Okubanzi: ipayipi lethu lidlulela ngalé kokukhomba ukuhlukahluka ku-genome eyinkomba, njengoba lihlanganisa ukuhlaziya okuthuthukisiwe okuklanyelwe ukubhekana ngqo nemibuzo yocwaningo ehlobene nezici zofuzo zezifo noma ukuhlaziywa kwesimila.
●Ukusekelwa Kwangemva Kokuthengisa:Ukuzinikela kwethu kudlulela ngalé kokuphothulwa kwephrojekthi ngenkathi yesevisi yezinyanga ezi-3 ngemva kokuthengisa. Ngalesi sikhathi, sinikezela ngokulandelelwa kwephrojekthi, usizo lokuxazulula inkinga, namaseshini e-Q&A ukuze siphendule noma yimiphi imibuzo ehlobene nemiphumela.
I-Exon Capture Isu | Isu Lokulandelanisa | Okuphumayo Kwedatha Okunconyiwe |
Sure Select Human All Exon v6 (Agilent) noma i-xGen Exome Hybridization Panel v2 (IDT)
| I-Illumina NovaSeq PE150 | 5 -10 Gb Ngezifo ze-mendelian/izifo ezingavamile: > 50x Kumasampuli wesimila: ≥ 100x |
Uhlobo lwesampula
| Inani(Qubit®)
| Ukugxila | Ivolumu
| Ukuhlanzeka(NanoDrop™) |
I-Genomic DNA
| ≥ 50 ng | ≥ 6 ng/μL | ≥ 15 μL | OD260/280=1.8-2.0 akukho ukucekelwa phansi, akukho ukungcoliswa
|
Ukuhlaziywa kwe-Bioinformamatic kwamasampula ezifo ze-hWES kufaka phakathi:
● Ilandelanisa idatha ye-QC
● Reference Genome Alignment
● Ukuhlonzwa kwama-SNP nama-InDels
● Isichasiselo esisebenzayo sama-SNP nama-InDels
Ukuhlaziywa kwe-Bioinformatics kwamasampula e-tumor kuhlanganisa:
● Ilandelanisa idatha ye-QC
● Reference Genome Alignment
● Ukuhlonzwa kwama-SNP, ama-InDels nokuhluka kwe-somatic
● Ukuhlonzwa kwezinhlobonhlobo ze-germline
● Ukuhlaziywa kwezisiginesha eziguquguqukayo
● Ukuhlonzwa kwezakhi zofuzo ezisuselwe ekuzuzeni umsebenzi oguquguqukayo
● Isichasiselo soguquko ezingeni lokuba sengozini yezidakamizwa
● Ukuhlaziywa kwe-Heterogeneity - ukubalwa kobumsulwa ne-ploidy
Idatha ye-QC - Izibalo zokuthwebula i-Exome
Ukuhlonza okuhlukile - i-InDels
Ukuhlaziya okuthuthukile: ukuhlonza nokusatshalaliswa kwama-SNP/InDels asusayo - itulo le-Circos
Ukuhlaziywa kwe-Tumor: ukuhlonza nokusabalalisa ukuguqulwa kwe-somatic - Isakhiwo se-Circos
Ukuhlaziywa kwe-Tumor: imigqa ye-clonal