NFKB1 and colorectal carcinoma: miR-148a is down-regulated in the colon tissues of UC and CRC patients, and reduces the activation of NF-κB and STAT3 in macrophages of colon tissues by directly targeting upstream regulators of NF-κB and STAT3 pathway (including GP130, IKKα, IKKβ, IL1R1 and TNFR2).