Since iron feeds infection .. and since lecithin decreases
the absorption of iron .. this study seems to give credence
to the use of iron reduction in sepsis.
<<snip>> Lecithin therapy may be a useful adjuvant therapy
in patients with severe sepsis. <<snip>>
Intensive Care Med. 2004 Mar 26 [Epub ahead of print]
Related Articles, Links
Effects of polyenylphosphatidylcholine on cytokines,
nitrite/nitrate levels, antioxidant activity and lipid
peroxidation in rats with sepsis.
Demirbilek S, Ersoy MO, Demirbilek S, Karaman A, Akin M,
Bayraktar M, Bayraktar
N.
Department of Anesthesiology and Reanimation, Medical School
of Inonu University, 44315, Malatya, Turkey.
OBJECTIVES. To determine the effect of pretreatment with
polyenylphosphatidylcholine (lecithin, PPC) on plasma levels
of tumor necrosis factor (TNF)-alpha, interleukin (IL)-6,
IL-10, total nitrite/nitrate (NOx), and tissue levels of
superoxide dismutase (SOD) and malondialdehyde (MDA) in
septic rats. DESIGN. Prospective, randomized, controlled
animal study. SETTING. University laboratory. SUBJECTS. Forty-
five Spraque-Dawley rats were divided into three groups:
group C, sham-operated; group S, sepsis; and group P, sepsis
pretreated with PPC. INTERVENTIONS. Rats were made septic by
cecal ligation and puncture (CLP). Group P rats were treated
with PPC (100 mg/day orally) for 10 days before sepsis. Twenty-
four hours later CLP, plasma concentrations of TNF-alpha,
IL-6 and IL-10 and plasma levels of NOx were measured. SOD
and MDA were determined in liver, lung and heart
homogenates. MEASUREMENTS AND MAIN RESULTS. All rats in
group P survived during the 24-h observation time after CLP,
whereas survival rate in group S was 66.7% (10/15; P<0.05).
PPC significantly reduced plasma levels of TNF-alpha (
P=0.006), IL-6 ( P=0.007), IL-10 ( P=0.016), NOx ( P<0.001),
and tissue levels of MDA ( P<0.001) in group P with respect
to in group S. Tissue levels of SOD significantly increased
in group P when compared with group S ( P<0.001).
CONCLUSIONS. These results show that PPC pretreatment exerts
cumulative effects in decreasing the levels of cytokines,
NOx, and tissue MDA concentrations, with a concomitant
increase in survival in septic rats. Lecithin therapy may be
a useful adjuvant therapy in controlling of the excessive
production of the inflammatory cytokines in patients with
severe sepsis. DESCRIPTOR. SIRS/sepsis, experimental studies
PMID: 15045164 [PubMed - as supplied by publisher]
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