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LIPODYSTROPHY WITH HYPERLIPIDAEMIA: THE ROLE OF INSULIN IN VERY LOW DENSITY LIPOPROTEIN OVER‐SYNTHESIS

A patient with partial lipodystrophy is described in whom hypertriglyceridaemia was accompanied by marked hyperinsulinaemia. The hyperlipidaemia was due to increased plasma levels of very low density lipoprotein (VLDL). Kinetic studies, performed after injection of autologous radioiodinated VLDL, indicated that the raised VLDL levels were associated with over‐production of this lipoprotein. Administration of diazoxide led to a substantial fall in serum insulin levels, accompanied by reduction in VLDL production and in serum triglyceride concentration. The possible role of insulin in inducing hyperlipidaemia by causing over‐production of VLDL is discussed.