HLA Twin Workshop ASHI 2016 Advanced

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Omixon HLA TwinTM

September, 2016

Efi Melista, Head of Field and Lab Operations

Agenda § 

Overview (5 mins)

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Analysis Challenges (5 mins)

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Hands-on workflows in HLA Twin (1 h 15 mins)

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Questions - just put your hand up – we’ll be right over!

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Sneak Peak: Coming Soon! (5 mins)

Introduction to Holotype HLA™ Holotype HLA is a combination Assay and Software product for the comprehensive gene amplification of multiple HLA loci, and sequencing on Illumina sequencing platforms. NGS Assay

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NGS Software

Omixon Holotype HLA (Assay) Kits Kit sizes Loci Indexes Samples per run* CE-IVD

5-locus

7-locus

11-locus

96

24 and 96

24 and 96

ABC, DQB1, DRB1

5+ DPB1, DQA1

7+ DRB3/4/5 DPA1

3x 96 index sets

2x 96 index sets 2x 24 index sets

2x 96 index sets 2x 24 index sets

32-288

4-192

4-96

N/A

Q1, 2016

Q1, 2017

Fully pooled (per-sample indexing) MiniSeq, MiSeq and NextSeq supported Nano, Micro & Standard Flow Cells supported 300-cycle and 500-cycle chemistry supported 2 genotyping algorithms *Maximum determined on a MiSeq with 250x250 chemistry and a standard flow cell

Omixon HLA Twin™ (Software) § 

Software component of Holotype HLA

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Automated genotyping after the Illumina sequencing run

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Preconfigured Holotype HLA-specific settings

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Up to 2 algorithms for determining HLA genotypes –  Consensus Genotyping (Assembly) –  Statistical Genotyping (Alignment to IMGT/HLA)

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Traffic light system for data interpretation and workflow management Passed   Info   Inspect   Inves2gate   Failed  

Analysis Challenges § 

How can I detect novel alleles?

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How can I be sure that a reported null allele is correct?

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How can I detect sample contamination?

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How can I troubleshoot an assay-related problem?

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How can I resolve difficult-to-deal-with ambiguities?

Hands-on Workflows in Twin § 

Hands on workflows in HLA Twin (55 mins) §  High Quality Sample §  Novel Allele §  Null Allele §  Cis/Trans Ambiguity §  Unusual Sample §  Samples with Technical Errors

Sneak Peak: Coming Soon in HLA Twin! § 

Noise track

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Fragment visualization for better phasing resolution

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Amino Acid track

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Clinical workflow management

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Genotype precise reduction - work at the level you need

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Categorized Quality Control Metrics for better guided results interpretation

MyHolotype @ the Omixon Website