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Base by Base

Base by Base explores advances in genetics and genomics, with a focus on gene-disease associations, variant interpretation, protein structure, and insights from exome and genome sequencing. Each episode breaks down key studies and their clinical...more

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Latest Episodes

147: Full-length ABO Haplotype Sequencing and Variant Resolution

Episode 147

September 24, 2025

147: Full-length ABO Haplotype Sequencing and Variant Resolution

Ying Y et al., Clinical Chemistry 71:4 (2025) 510–519 - This episode reviews a Clinical Chemistry study that developed an improved one-step ultra-long-range PCR...

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00:15:37

146: Automated, Decentralized cfDNA Profiling for Targetable and Resistance Alterations

Episode 146

September 23, 2025

146: Automated, Decentralized cfDNA Profiling for Targetable and Resistance Alterations

Chan HT et al et al., Clinical Chemistry - This study evaluates an automated, decentralized cfDNA NGS workflow (Oncomine Precision Assay GX with the...

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00:15:56

145: hs-MSI Validation: Detecting CMMRD and Pinpointing PMS2

Episode 145

September 22, 2025

145: hs-MSI Validation: Detecting CMMRD and Pinpointing PMS2

Marín F et al., Clinical Chemistry - This episode examines a validation study of a highly sensitive NGS-based microsatellite instability (hs-MSI) assay for diagnosing...

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00:16:59

144: Revising the age of the human chromosome 2 fusion

Episode 144

September 21, 2025

144: Revising the age of the human chromosome 2 fusion

Poszewiecka B et al., BMC Genomics (2022) 23:616 - This study presents an improved algorithm to compute the UBCS statistic and uses it to...

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00:17:10

143: Modelling genetic 'outliers' in ancient Eurasia (S1E143)

Episode 143

September 20, 2025

143: Modelling genetic 'outliers' in ancient Eurasia (S1E143)

Skourtanioti E et al., Cell - This episode summarizes a population‑genomic analysis that models genetic outliers in ancient Eurasian samples, using PCA and admixture...

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00:18:56

142: PALB2 ACMG/AMP Specifications

Episode 142

September 19, 2025

142: PALB2 ACMG/AMP Specifications

Richardson M et al., The American Journal of Human Genetics - An international HBOP Variant Curation Expert Panel developed PALB2-specific specifications of the 2015...

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00:16:35