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Tokai J Exp Clin Med. 1981 Jan;6(1):49-57.

Influence of pantethine on platelet volume, microviscosity, lipid composition and functions in diabetes mellitus with hyperlipidemia.


The in vivo effects of pantethine were investigated on serum lipids and platelet lipid and platelet functions in 31 diabetic patients with hyperlipidemia. Pantethine decreased cholesterol from 236 +/- 62 mg/dl (M +/- SD) to 217 +/- 51 mg/dl (p less than 0.01) and increased high density lipoprotein cholesterol from 40 +/- 11mg/dl to 43 +/- 15 mg/dl. The diabetic platelets were larger when accompanied by higher microviscosity that healthy platelets. The characteristics of lipid composition in diabetic platelets were high levels of free cholesterol, phospholipid, triglyceride, cholesterol ester, palmitoleic acid, linoleic acid and palmitoleic acid/palmitic acid and low levels of the molar ratio of free cholesterol/phospholipids, phosphatidylethanolamine, oleic acid, arachidonic acid and oleic acid/stearic acid. Pantethine normalized these values of fatty acids to the control levels, and concomitantly reduced significantly the hyperaggregation of platelets induced by 10(6) M ADP and the hyper-ADP release reaction from platelets when exposed to 2 microgram of collagen, and made the volume smaller and the microviscosity lower after oral administration. From these data, it was concluded that pantethine normalized the abnormalities of serum lipids as well as platelet lipid compositions and subsequently reduced the hyper-aggregation and hyper-release reactions through the changes of volume and microviscosity of the platelets in diabetes mellitus with hyperlipidemia.

[Indexed for MEDLINE]

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