CNV (copy number variation), LOH & VAF (variation allele frequency)
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2.2 years ago
PhStudent • 0

Hy ! Can somebody explain to me te use of CNV (copy number variation), VAF (variation of allele frequency) and LOH (loss of heterozygoty) in genome/exome studies ?? I have an article about Sci-clone, a graphic with multiple genes (that came from "WES = Whole exom sequencing", their VAF and SIFT (I understand that this is a prediction device to kind of predict the effet of the anomaly detected) but since I don't know the technique I can't link all those informations !

I am fairly new to modelisation so, in this, I kind of really need a step-by-step explanation. I can't find anything on the internet.

Thanks in advance !

genome gene sequencing sequence • 1.2k views
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Welcome to Biostars!

I can't find anything on the internet.

What did you look for? If you search the internet for CNV (or LOH) + exome sequencing you will find thousands of papers. I am not sure about "VAF". Maybe different synonyms are more used then "VAF"?


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