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Euan Ashley on the Functional Landscape of Coding Variation in the FH Gene LDLR
Euan Ashley/LinkedIn
Nov 2, 2025, 09:20

Euan Ashley on the Functional Landscape of Coding Variation in the FH Gene LDLR

Euan Ashley, Chair at Stanford Department of Medicine, Author of The Genome Odyssey, shared on LinkedIn:

”So excited about this new work from our CardioVar consortium out this week in Science Magazine led by the amazing Daniel Tabet, and Fritz Roth.

Familial hypercholesterolemia (FH) is among the most common inherited cardiovascular diseases.

It causes early heart attacks that are preventable with modern therapy and a genomics-forward strategy for family testing.

The challenge is that many variants identified by sequencing are of unclear significance.

The new science of “variant effect mapping” uses cellular biology to model all possible variants in important genes in advance, providing scientists and clinicians with estimates as to their pathogenicity.

Here, Daniel and team tested the impact of nearly all possible (~17,000) missense coding variants in the receptor for LDL (“bad cholesterol”), the gene most commonly responsible for FH.

Importantly, they tested two functional readouts: LDLR cell-surface abundance and LDL uptake.

This yielded sequence–function maps that recapitulate known biochemistry, offer functional insights, and provide evidence for interpreting clinical variants.

Further, functional scores correlated with hyperlipidemia phenotypes in prospective human cohorts and augmented polygenic scores to improve risk inference.

These sorts of maps will increasingly become central tools in our quest to understand disease-causing human genes to help patients and prevent disease.

Amazing work from Daniel, Fritz and team.

Paper.
Variant effect map review.
Cardiovar consortium.
Atlas of variant effect maps.”

Read the full article in Science.

Article: The functional landscape of coding variation in the familial hypercholesterolemia gene LDLR

Authors: Anna Axakova, Euan Ashley, Mafalda Bourbon, Jack M. P. Castelli, Melina Claussnitzer, Elizabeth T. Cirulli, Atina G. Coté, Carmela Serio Carrero, Da Kuang, Daniel R. Tabet, Douglas M. Fowler, Iosifina Fotiadou, Aanshi Gandhi, Michael Garton, Andrew M. Glazer, Robert A. Hegele, Mohammad Majharul Islam, Jennifer J. Knapp, Joshua W. Knowles, Brett M. Kroncke, Nishka Kishore, Roujia Li, Megan C. Lancaster, Calum A. MacRae, Kenneth Matreyek, Ranim Maaieh, Victoria N. Parikh, Simon G. Pfisterer, Ashyad Rayhan, Dan M. Roden, Frederick P. Roth, Shahin Sowlati-Hashjin, Olivia Taverniti, Jochen Weile.

Euan Ashley on the Functional Landscape of Coding Variation in the FH Gene LDLR

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Aanshi Gandhi Andrew M. Glazer Anna Axakova Ashyad Rayhan Atina G. Coté Brett M. Kroncke Calum A. MacRae CardioVar Carmela Serio Carrero Da Kuang Dan M. Roden Daniel R. Tabet Daniel Tabet Douglas M. Fowler Elizabeth T. Cirulli Euan Ashley Familial hypercholesterolemia FH Frederick P. Roth Fritz Roth Health Hematology Hemostasis Hemostasis Today Iosifina Fotiadou Jack M. P. Castelli Jennifer J. Knapp Jochen Weile. Joshua W. Knowles Kenneth Matreyek Mafalda Bourbon Medicine Megan C. Lancaster Melina Claussnitzer Michael Garton Mohammad Majharul Islam Nishka Kishore Olivia Taverniti Ranim Maaieh Robert A. Hegele Roujia Li Science Magazine Shahin Sowlati-Hashjin Simon G. Pfisterer thrombosis Victoria N. Parikh
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