Modification of Erythrocyte Membrane Fatty Acid Contents After Kidney Transplantation: A Prospective Study
Abstract
BACKGROUND: Modifications of erythrocyte membrane fatty acid (FA) contents may affect cellular function or transmembrane receptors. One cross-sectional study has shown that kidney transplant (KTP) recipients have lower erythrocyte membrane oleic acid content than dialysis patients do. Therefore, we prospectively tested whether erythrocyte membrane contents of FA including oleic acid change after KTP.
METHODS: We recruited 23 KTP recipients (September 2011 through May 2014). Blood samples were obtained immediately before KTP and 6 months after. Erythrocyte membrane FA contents were measured by gas chromatography.
RESULTS: Mean age of the enrolled KTP recipients was 45.3 ± 10.9 years, and men represented 66.7% of the cases. ABO-incompatible KTPs constituted 14.3% and cadaver donors 42.9% of the cases. Steroids, mycophenolate mofetil, and tacrolimus were used as immunosuppressive treatment. There was no significant difference in dietary consumption between time points before and 6 months after KTP. Total cholesterol and low-density lipoprotein cholesterol levels were significantly higher at 6 months after KTP as compared with baseline. Erythrocyte membrane contents of polyunsaturated FA, ω-3 FA, ω-6 FA, and the ω-3 index were significantly higher, but erythrocyte membrane contents of total saturated FAs, total monounsaturated FAs, including oleic acid, total trans-FA, palmitoleic acid, and the ω-6-to-ω-3 ratio were significantly lower at 6 months after KTP.
CONCLUSIONS:…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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