Genetics of gene expression in human liver

A 427-person liver cohort maps eQTLs and expression networks that connect genetic variation to metabolic disease biology.

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What tissue’s expression genetics were mapped?

Human liver.

How large was the liver cohort?

427 Caucasian subjects.

What prior human expression genetics mainly used?

Lymphoblastoid cell lines or blood-derived samples.

Why is liver a critical tissue here?

It is metabolically active and central to common human diseases.

What data types were combined?

Gene expression microarray profiling plus genotyping.

What biological scale does the study claim?

Large-scale assessment of genetics of gene expression in liver.

What disease area is expression genetics meant to inform?

Common human diseases tied to hepatic metabolism.

What is an eQTL in this context?

A genetic variant associated with expression of a gene in liver.

What cohort acronym is used?

HLC (human liver cohort).

What limitation follows for students?

eQTL maps prioritize candidates but do not alone prove every clinical mechanism.