Abstract:
:Cytokines such as Interleukin (IL)-12p70 ("IL-12") and IL-23 can influence tumor progression. We tested the hypothesis that blood levels of IL-12p40, the common subunit of both cytokines, are associated with melanoma progression. Blood from 2,048 white melanoma patients were collected at a single institution between March 1998 and March 2011. Plasma levels of IL-12p40 were determined for 573 patients (discovery), 249 patients (Validation 1) and 244 patients (Validation 2). Per 10-unit change of IL-12p40 level was used to investigate associations with melanoma patient outcome among all patients or among patients with early or advanced stage. Among stage I/II melanoma patients in the pooled data set, after adjustment for sex, age, stage and blood draw time from diagnosis, elevated IL-12p40 was associated with melanoma recurrence [hazard ratio (HR) = 1.04 per 10-unit increase in IL-12p40, 95% CI 1.02-1.06, p = 8.48 × 10(-5) ]; Elevated IL-12p40 was also associated with a poorer melanoma specific survival (HR = 1.06, 95% CI 1.03-1.09, p = 3.35 × 10(-5) ) and overall survival (HR = 1.05, 95% CI 1.03-1.08, p = 8.78×10(-7) ) in multivariate analysis. Among stage III/IV melanoma patients in the pooled data set, no significant association was detected between elevated IL-12p40 and overall survival, or with melanoma specific survival, with or without adjustment for the above covariates. Early stage melanoma patients with elevated IL-12p40 levels are more likely to develop disease recurrence and have a poorer survival. Further investigation with a larger sample size will be needed to determine the role of IL-12p40 in advanced stage melanoma patients.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Fang S,Wang Y,Chun YS,Liu H,Ross MI,Gershenwald JE,Cormier JN,Royal RE,Lucci A,Schacherer CW,Reveille JD,Sui D,Bassett RL Jr,Wang LE,Wei Q,Amos CI,Lee JEdoi
10.1002/ijc.29182subject
Has Abstractpub_date
2015-04-15 00:00:00pages
1874-80issue
8eissn
0020-7136issn
1097-0215journal_volume
136pub_type
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