Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Berguer, R. et al.

Berguer, Bravo, Bowyer, Egan, Knolmayer, Ferrick,

Major surgery suppresses maximal production of helper T-cell type 1 cytokines without potentiating the release of helper T-cell type 2 cytokines.

BACKGROUND: Major surgery is known to suppress T-cell function; however, its differential effects on the production of helper T-cell type 1 (T(H)1) and type 2 (T(H)2) cytokines remains unknown. OBJECTIVE: To measure the production patterns of T(H)1 (interleukin 2 [IL-2] and interferon gamma) and T(H)2 (IL-4 and IL-10) cytokines following major surgery. DESIGN, SETTING, AND PATIENTS: A cohort study of patients (both active and former members of the armed forces) at a military hospital. INTERVENTION: Aortic surgery or carotid endarterectomy and measurement of serum IL-6 levels by enzyme-linked immunosorbent assay. MAIN OUTCOME MEASURES: Unstimulated and stimulated intracellular levels of IL-2, IL-4, IL-10, and interferon gamma in CD4+, CD8+, and gammadelta+ T cells and serum IL-6 levels immediately before and for 2 days after aortic surgery or carotid endarterectomy. RESULTS: No unstimulated production of T(H) or T(H)2 cytokines was detected. Stimulated intracellular levels of IL-2 and interferon gamma were significantly depressed during the postoperative period in all T-cell subsets in both patient groups. There were no postoperative increases in stimulated IL-4 or IL-10 levels. CONCLUSION: Major surgery suppresses the potential responses of T(H)1 cytokines without enhancing production of T(H)2 cytokines.[1]

References

Major surgery suppresses maximal production of helper T-cell type 1 cytokines without potentiating the release of helper T-cell type 2 cytokines. Berguer, R., Bravo, N., Bowyer, M., Egan, C., Knolmayer, T., Ferrick, D. Archives of surgery (Chicago, Ill. : 1960) (1999) [Pubmed]

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