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1.	Lewander, Andreas, et al. (author) NF-kappa B p65 phosphorylated at serine-536 is an independent prognostic factor in Swedish colorectal cancer patients 2012 In: International Journal of Colorectal Disease. - : Springer. - 0179-1958 .- 1432-1262. ; 27:4, s. 447-452 Journal article (peer-reviewed)abstract The NF-kappa B transcription factor protein family has diverse cellular and biological functions, and posttranslational modification is important to regulate these functions. An important site of phosphorylation of NF-kappa B p65 subunit is at serine-536 (phospho-Ser536-p65), and this phosphorylation is involved in regulation of transcriptional activity, nuclear localization, and protein stability. In this study, we investigated expression of phospho-Ser536-p65 in colorectal cancers and its relationships with clinicopathological factors. The expression of phospho-Ser536-p65 was examined by immunohistochemistry in 203 primary colorectal cancers, 156 normal mucosa specimens, and 18 metastases in the lymph nodes. The expression of phospho-Ser536-p65 increased from normal mucosa to primary tumor (p < 0.0001). Further, the increased expression of phospho-Ser536-p65 in the cytoplasm of the primary tumors correlated with worse survival of the patients independently of gender, age, tumor location, stage, and differentiation (p = 0.04; hazard ratio, 1.89; 95% CI 1.03-3.47). The NF-kappa B p65 subunit phosphorylated at serine-536 is an independent prognostic factor in colorectal cancer patients.

Lewander, Andreas, et al. (author)
NF-kappa B p65 phosphorylated at serine-536 is an independent prognostic factor in Swedish colorectal cancer patients
2012
In: International Journal of Colorectal Disease. - : Springer. - 0179-1958 .- 1432-1262. ; 27:4, s. 447-452
Journal article (peer-reviewed)abstract
- The NF-kappa B transcription factor protein family has diverse cellular and biological functions, and posttranslational modification is important to regulate these functions. An important site of phosphorylation of NF-kappa B p65 subunit is at serine-536 (phospho-Ser536-p65), and this phosphorylation is involved in regulation of transcriptional activity, nuclear localization, and protein stability. In this study, we investigated expression of phospho-Ser536-p65 in colorectal cancers and its relationships with clinicopathological factors. The expression of phospho-Ser536-p65 was examined by immunohistochemistry in 203 primary colorectal cancers, 156 normal mucosa specimens, and 18 metastases in the lymph nodes. The expression of phospho-Ser536-p65 increased from normal mucosa to primary tumor (p < 0.0001). Further, the increased expression of phospho-Ser536-p65 in the cytoplasm of the primary tumors correlated with worse survival of the patients independently of gender, age, tumor location, stage, and differentiation (p = 0.04; hazard ratio, 1.89; 95% CI 1.03-3.47). The NF-kappa B p65 subunit phosphorylated at serine-536 is an independent prognostic factor in colorectal cancer patients.

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