Anti-psoriatic therapy recovers high-density lipoprotein composition and function

J Invest Dermatol. 2014 Mar;134(3):635-642. doi: 10.1038/jid.2013.359. Epub 2013 Aug 28.

Abstract

Psoriasis is a chronic inflammatory disorder associated with increased cardiovascular mortality. Psoriasis affects high-density lipoprotein (HDL) composition, generating dysfunctional HDL particles. However, data regarding the impact of anti-psoriatic therapy on HDL composition and function are not available. HDL was isolated from 15 psoriatic patients at baseline and after effective topical and/or systemic anti-psoriatic therapy and from 15 age- and sex-matched healthy controls. HDL from psoriatic patients showed a significantly impaired capability to mobilize cholesterol from macrophages (6.4 vs. 8.0% [(3)H]cholesterol efflux, P<0.001), low paraoxonase (217 vs. 350 μM(-1) minute(-1) mg(-1) protein, P=0.011) and increased Lp-PLA2 activities (19.9 vs. 12.1 nM(-1) minute(-1) mg(-1) protein, P=0.028). Of particular interest, the anti-psoriatic therapy significantly improved serum lecithin-cholesterol acyltransferase activity and decreased total serum lipolytic activity but did not affect serum levels of HDL-cholesterol. Most importantly, these changes were associated with a significantly improved HDL-cholesterol efflux capability. Our results provide evidence that effective anti-psoriatic therapy recovers HDL composition and function, independent of serum HDL-cholesterol levels, and support to the emerging concept that HDL function may be a better marker of cardiovascular risk than HDL-cholesterol levels.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Administration, Topical
  • Adult
  • Aged
  • Antigens, Human Platelet / metabolism
  • Aryldialkylphosphatase / metabolism
  • Cardiovascular Diseases / metabolism
  • Cardiovascular Diseases / mortality
  • Cholesterol / pharmacokinetics
  • Female
  • Humans
  • Lipolysis / drug effects
  • Lipolysis / physiology
  • Lipoproteins, HDL / blood*
  • Macrophages / metabolism*
  • Male
  • Middle Aged
  • PUVA Therapy*
  • Phosphatidylcholine-Sterol O-Acyltransferase / metabolism
  • Psoriasis / drug therapy*
  • Psoriasis / immunology
  • Psoriasis / metabolism*
  • Risk Factors
  • Tritium

Substances

  • Antigens, Human Platelet
  • Lipoproteins, HDL
  • human platelet antigen 1b
  • Tritium
  • Cholesterol
  • Phosphatidylcholine-Sterol O-Acyltransferase
  • Aryldialkylphosphatase