Tight junctions and cancer metastasis or, in other words, cancer cells ‘leaking’ out through the gut wall into blood circulation By Linda Posted on August 21, 2013 Posted in Uncategorized No Comments Tagged with 'leaky' gut, cancer, colonic irrigation, high fibre diet, metastasis, probiotics, processed meat New research linking ‘leaky gut’ and the spread of cancer I admit when it comes to anything to do with intestines, guts and bugs, I’m a bit of an anorak.