Cytokines are important for playing a major role in several inflammatory reactions resulting in development of several diseases as well as Coal Worker’s Pneumoconiosis (CWP). Coal dust exposure stimulates inflammatory response leading to enhanced cytokine release from monocytes such as TNF-alpha and IL1. These released cytokines are the key points in the pathogenesis of CWP. The present study aimed to seek the cytokine gene profiles of Turkish coal workers by genotyping and phenotyping analysis of important CWP-related proinflammatory cytokines; TNF-alpha, IL1-alpha and IL1-beta. According to the genotyping results, TNFA –238 gene polymorphism was appeared to be a risk factor in development of CWP (OR=3.79) and regarding to the phenotyping analysis, both TNF-alpha and IL1 cytokine releases from the monocytes in CWP patients were enhanced significantly compared to the healthy workers. Therewithal, LPS and coal dust stimulated TNF-alpha release were higher significantly in allele 2 carriers than allele 1 carriers in both of the groups. These data propose that coal dust-induced TNF-alpha release from monocytes may be a valuable biomarker of CWP.
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