Related Experiment Video
Updated: May 5, 2026

A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes
Published on: September 15, 2018
JCL Roundtable: diagnosis of severe familial hypercholesterolemia
W Virgil Brown1, Daniel J Rader, John Kane
1Emory University School of Medicine, 3208 Habersham Road NW, Atlanta, GA 30305, USA.
Insights
Diagnosing familial hypercholesterolemia is typically straightforward, based on high cholesterol levels and parental history. Identifying the specific genetic causes behind this condition, however, presents greater complexity.
Area of Science:
- Genetics
- Biochemistry
- Cardiovascular Medicine
Background:
- Familial hypercholesterolemia (FH) is a common genetic disorder.
- Clinical diagnosis relies on elevated low-density lipoprotein cholesterol (LDL-C) and family history.
- Tendon xanthomata are characteristic but not always present.
Purpose of the Study:
- To explore the complexities of identifying genetic variants in patients with phenotypic familial hypercholesterolemia.
- To discuss the challenges in correlating genetic findings with the clinical presentation of FH.
Main Methods:
- This content is based on a roundtable discussion with experts in FH genetics.
- Expert knowledge and experience in identifying genetic abnormalities associated with FH were shared.
Main Results:
- The clinical diagnosis of FH is often clear.
- Determining the underlying genetic variants is a more intricate process.
- Expert insights were provided on the genetic landscape of FH.
Conclusions:
- While clinically diagnosed FH is usually evident, pinpointing specific genetic causes requires advanced genetic analysis.
- Collaboration with genetic experts is crucial for a comprehensive understanding of FH etiology.
Abstract:
The diagnosis of familial hypercholesterolemia is usually straightforward. The severely elevated low-density lipoprotein cholesterol and the occurrence of high concentrations of low-density lipoprotein cholesterol in the parents provide the diagnosis. The presence of tendon xanthomata is confirmation but not necessary. However, this relatively simple picture becomes much more complicated when one attempts to define the genetic variants that actually produced this clinical syndrome. In this Roundtable discussion, I am joined by two experts in the identification of genetic abnormalities discovered in those with phenotypic familial hypercholesterolemia. Dr. John Kane from the University of California, San Francisco, and Dr. Daniel Rader from the University of Pennsylvania share their knowledge in and experience with this topic.
Related Concept Videos
Atherosclerosis II: Clinical Manifestations and Diagnostic Tests
Atherosclerosis III: Management
Cholesterol: Significance and Regulation
Considering cholesterol and...
Diseases of the Liver and Gallbladder
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Lipid-Lowering Drugs: Statins and Miscellaneous Agents

