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Tendon Homeostasis in Hypercholesterolemia.

Louis J Soslowsky1, George W Fryhofer2

  • 1McKay Orthopaedic Laboratory, University of Pennsylvania, Philadelphia, PA, USA. soslowsk@upenn.edu.

Advances in Experimental Medicine and Biology
|August 19, 2016
PubMed
Summary

High cholesterol (hypercholesterolemia) negatively impacts tendon health, affecting mechanical properties and healing. Further research is needed to fully understand lipid-related tendon pathology.

Keywords:
HypercholesterolemiaHyperlipidemiaStatinsTendinopathyTendonsXanthoma

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Area of Science:

  • Biomedical Science
  • Orthopedics
  • Metabolic Disease Research

Background:

  • Hypercholesterolemia is linked to cardiovascular disease and tendon pathology.
  • Lipid accumulation in tendons, forming xanthomas, alters mechanical properties like stiffness and modulus.
  • Metabolic derangements, including high cholesterol, are associated with rotator cuff tears and Achilles tendon ruptures.

Purpose of the Study:

  • To review the impact of hypercholesterolemia on tendon structure and function.
  • To explore the mechanisms underlying lipid-related tendon pathology.
  • To discuss the implications of statin treatment on tendon properties and healing.

Main Methods:

  • Literature review and synthesis of existing research on hypercholesterolemia and tendon pathology.
  • Analysis of clinical associations between metabolic parameters and tendon injuries.
  • Examination of the effects of statin therapy on tendon characteristics.

Main Results:

  • Elevated cholesterol levels demonstrably alter tendon mechanical properties.
  • Mechanisms include changes in tenocyte gene/protein expression, matrix turnover, vascularity, and cytokine production.
  • Statin treatment can normalize tendon thickness and enhance tendon healing.

Conclusions:

  • The pathophysiology of lipid-related tendon pathology is not fully understood.
  • Further research utilizing advanced technologies like whole-genome and whole-transcriptome analysis is warranted.
  • Understanding these mechanisms can guide future therapeutic strategies for tendon disorders in hypercholesterolemic patients.