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Susan Lanza-Jacoby, PhD; Stephan C. Lansey; Margot P. Cleary, PhD; Francis E. Rosato, MD

Arch Surg. 1982;117(2):144-147.

Abstract
• The effects of sepsis on lipid metabolism have not been clearly defined. This study was designed to observe the changes in adipose tissue lipoprotein lipase (LPL) and fatty acid synthetase (FAS) after administration of Escherichia coli bacteria. Male Lewis rats, weighing 245 to 270 g, were assigned to two groups and fed a powdered chow diet for 14 days. On day 14, one group was inoculated with E coli. Twenty-four hours later, both groups were killed by decapitation. Serum triglyceride levels were significantly elevated in the E coli–treated rats. Adipose tissue LPL and FAS activity was significantly decreased by 50% in E coli–treated rats compared with the control rats. These results suggest that the elevated serum triglyceride levels associated with sepsis may be caused by a decreased rate of clearance of lipids from the blood and an increased rate of hepatic lipid synthesis.

(Arch Surg 1982;117:144-147)

Author Affiliations
From the Department of Surgery, Jefferson Medical College, Philadelphia (Drs Lanza-Jacoby and Rosato and Mr Lansey) and the Department of Nutrition and Food Sciences, Drexel University, Philadelphia (Dr Cleary).

Footnotes
Accepted for publication July 23, 1981.

Read in part at the first annual meeting of the Surgical Infection Society, Chicago, April 25, 1981.

Reprint requests to Department of Surgery, Jefferson Medical College, 1025 Walnut St, Philadelphia, PA 19107 (Dr Lanza-Jacoby).

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