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Age related changes in platelet lipid composition.

Authors
  • Prisco, D
  • Rogasi, P G
  • Matucci, M
  • Paniccia, R
  • Abbate, R
  • Gensini, G F
  • Serneri, G G
Type
Published Article
Journal
Thrombosis Research
Publisher
Elsevier
Publication Date
Nov 15, 1986
Volume
44
Issue
4
Pages
427–437
Identifiers
PMID: 3798408
Source
Medline
License
Unknown

Abstract

Platelet lipid composition was investigated in 52 healthy subjects aged 20 to 68 years with similar dietary habits and living in a narrow geographic area in order to search possible changes referrable to aging. No significant variations were observed when platelet cholesterol, total phospholipids and different phospholipid fractions were considered, whereas cholesterol/phospholipid (C/PL) molar ratio significantly increased with aging (p less than 0.01). Moreover, a significant increase in 16:0 + 16:1 fatty acids was found in phosphatidylcholine (PC) and in sphingomyelin (SP) (r = 0.62, p less than 0.001 and r = 0.30, p less than 0.05 respectively) and a decrease in 18:2 n6 in the phospholipid fractions considered (at least p less than 0.05). These results indicate that modifications in platelet lipid composition occur with aging and that they could affect platelet functions so playing a role in the onset of atherosclerosis and in thrombotic phenomena occurring with increasing frequency in the elderly.

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