The Lifelong Burden of Homozygous Familial Hypercholesterolemia

Ambuja Banerjee1, Latifah Alothman1, Patrick Couture2

  • 1Research Institute of the McGill University Health Centre, Royal Victoria Hospital, Montreal, Quebec, Canada.

Insights

Homozygous familial hypercholesterolemia (HoFH) is a severe genetic condition causing extremely high cholesterol. Despite aggressive treatment, this case highlights the critical need for early diagnosis and ongoing management to combat progressive atherosclerosis.

Area of Science:

  • Cardiovascular Genetics
  • Metabolic Disorders
  • Pharmacology

Background:

  • Homozygous familial hypercholesterolemia (HoFH) results from low-density lipoprotein receptor gene mutations.
  • HoFH presents in youth with xanthomas and severe hypercholesterolemia.
  • Untreated HoFH leads to early coronary artery disease and reduced lifespan.

Observation:

  • A case of HoFH was managed with standard and experimental treatments.
  • Atherosclerosis progressed across all vascular beds despite aggressive interventions.
  • The patient survived until age 59, longer than typically expected without intervention.

Findings:

  • Aggressive therapies did not halt the progression of atherosclerosis in this HoFH patient.
  • The patient experienced a prolonged but ultimately fatal course of the disease.
  • This case underscores the challenges in managing advanced HoFH.

Implications:

  • Early diagnosis and consistent, appropriate follow-up are crucial for HoFH management.
  • Novel therapeutic strategies are needed to effectively manage HoFH and its complications.
  • Understanding HoFH progression informs future research and clinical practice for severe hypercholesterolemia.

Related Concept Videos

A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes10:56

A Familial Hypercholesterolemia Human Liver Chimeric Mouse Model Using Induced Pluripotent Stem Cell-derived Hepatocytes

Here, we present a protocol to generate a human liver chimeric mouse model of familial hypercholesterolemia using human induced pluripotent stem cell-derived hepatocytes. This is a valuable model for testing new therapies for...
8.5K
Protein Families02:47

Protein Families

Protein families are groups of homologous proteins; that is, they have similarities in amino acid sequences and three-dimensional structures. Protein families usually occur because of gene duplication, where an additional copy of a gene is inserted into the genome of an organism.   Mutations that change the amino acids but still allow the protein to be properly synthesized, will lead to new protein family members.   If these new proteins contain similar amino acids in key...
16.7K
Protein Families02:47

Protein Families

4.3K
Gene Families01:57

Gene Families

Gene families consist of groups of genes proposed to have originated from a common ancestor. Typically these arise through events in which a gene or genes are mistakenly duplicated during cell division. Unlike their parent genes (which are subject to selection pressure to maintain function), these gene copies do not need to preserve their sequences and may evolve at a relatively faster rate.
Occasionally these regions can be adapted to take on new roles within the organism, becoming novel genes...
9.8K
Gene Families01:57

Gene Families

3.5K
Family Therapy01:30

Family Therapy

Family therapy conceptualizes psychological challenges as arising from dysfunctional interactions within the family unit, rather than as isolated issues within individuals. This approach seeks to address and transform the patterns of communication, roles, and relationships within families to promote healthier dynamics and emotional well-being for all members.
Strategic Family Therapy
Strategic family therapy emphasizes resolving communication barriers and improving problem-solving abilities...
520