Polyunsaturated fatty acids in plasma and erythrocyte membrane lipids of diabetic children

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T Decsi1, H Minda, R Hermann

  • 1Department of Paediatrics, University of Pécs, Pécs, Hungary. tamas.decsi@aok.pte.hu

Prostaglandins, Leukotrienes, and Essential Fatty Acids
|October 29, 2002
PubMed

Insights

Type 1 diabetes in children alters essential fatty acid metabolism, showing higher linoleic and alpha-linolenic acids but lower arachidonic and docosahexaenoic acids. This suggests dietary long-chain polyunsaturates may benefit diabetic children.

Area of Science:

  • Biochemistry
  • Pediatric Endocrinology
  • Nutritional Science

Background:

  • Insulin is crucial for essential fatty acid metabolism.
  • Type 1 diabetes (T1D) is often associated with portal hypoinsulinemia.
  • Altered fatty acid profiles are implicated in T1D pathophysiology.

Purpose of the Study:

  • To investigate fatty acid profiles in plasma and erythrocyte membranes of children with T1D.
  • To compare these profiles with those of healthy children.
  • To explore potential implications for nutritional management in T1D.

Main Methods:

  • High-resolution capillary gas-liquid chromatography was used for fatty acid determination.
  • Analysis was performed on plasma and erythrocyte membrane lipids.
  • Samples were collected from 40 diabetic children and 40 age-matched healthy controls.

Main Results:

  • Diabetic children showed significantly higher plasma phospholipid levels of linoleic acid (P<0.0001) and alpha-linolenic acid (P<0.05) compared to controls.
  • Conversely, arachidonic acid (P<0.05) and docosahexaenoic acid (P<0.01) levels were significantly lower in diabetic children.
  • These findings indicate a distinct alteration in essential fatty acid metabolism in pediatric T1D.

Conclusions:

  • Children with Type 1 diabetes exhibit altered essential fatty acid profiles.
  • Reduced availability of long-chain polyunsaturated fatty acids was observed.
  • Enhanced dietary intake of long-chain polyunsaturates may be a beneficial therapeutic strategy for diabetic children.

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