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DNA mismatch repair deficiency is observed in about 10% to 15% of all colorectal carcinomas and in up to 90% of hereditary nonpolyposis colorectal cancer (HNPCC) patients. Tumors with mismatch repair defects acquire mutations in short repetitive DNA sequences, a phenomenon termed high-level microsatellite instability (MSI-H). The diagnosis of MSI-H in colon(More)
Toll-like receptors recognize pathogen-associated molecular patterns (PAMPs) and TLR5 is the pathogen recognition receptor (PRR) for bacterial flagellin. Patients carrying a R392 stop polymorphism display an inflammatory phenotype and increased susceptibility to pneumonia caused by the flagellated bacteria Legionella pneumophila. While this suggests that(More)
In the innate immune system, TLR2 plays a central role for the response to a wide variety of microbial and endogenous danger signals. A considerable number of genetic polymorphisms within the human TLR2 gene have been reported in non-coding and coding sequences. Except for the Arg753Gln variant, however, their clinical relevance is unclear and the(More)
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