, Volume 43, Issue 1, pp 10-11
Date: 09 Nov 2012

TLR-10 polymorphism and papillary thyroid cancer: one more SNP to consider?

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Activated toll-like receptor (TLR) signaling pathway has been reported in several endocrine neoplasms and has been found to be associated with the upregulation of proinflammatory cytokines. These cytokines are widely known as critical mediators of tumorigenesis. The stimulation of antitumor immunity through the activation of the TLR pathway can lead to the inhibition of the carcinogenesis process. However, TLRs have been considered as putative therapeutic target in various human cancers. A chronic inflammation in the absence of infection induces oxidative stress, DNA damage, and tissue damage promoting tumorigenesis. Thus, TLRs can be viewed as having a double-edged sword function.

Accumulating evidences show the association between over-activation of TLR and cancer progression and TLR-signaling molecules are often involved in tumor progression. For example, TLR4 expression has been described in several human cancer, including intestinal [1], breast, and prostate cancers [2, 3] and TLR3