Researchers have identified a molecule called LXR that can promote intestinal tissue regeneration while simultaneously inhibiting tumor growth in colorectal cancer. This discovery could pave the way for more targeted treatments for both inflammatory bowel disease (IBD) and cancer.
Intestines suffer a lot of wear and tear in their daily service to digestion, requiring constant renewal of their lining. This growth of the gut's wall hints at underlying pathways distinguishing beneficial regeneration from the rampant reproduction of a tumor.
By trawling through databases of RNA sequences based on models of intestinal damage, a team of researchers led by scientists from the Karolinska Institute in Sweden has identified a molecule that does double duty as a gut tissue healer and a tumor suppressor. There are close links between these seemingly distinct health issues. Treating IBD by encouraging tissue growth can also encourage cancerous cell tumor growth, while treating bowel and rectal cancers with'It's virtually impossible to promote tissue regeneration without the risk of inducing tumour growth, as cancer cells can hijack the body's natural healing processes and start to grow uncontrollably,' 'We've now identified a molecule that can help the intestines to heal after damage while suppressing tumour growth in colorectal cancer.' The molecule was found during an investigation into new treatments for IBD. The researchers noticed a number of specific genes activating during gut repair in mice and driving cell regeneration – genes controlled by the LXR protein.mapping using RNA databanks and spatial transcriptomics – the team mapped the regulation of gene expression in intestinal epithelial cells. They also used 3Dthat helps grow new intestinal cells. When faced with cancer, though, it assists the immune system in limiting tumor growth., are often given immunosuppressants to damp down the inflammation caused by the immune system overreacting – but these are only effective for a subsection of patients, and can have unwanted side effects. The researchers are hopeful that further studies of LXR can improve the targeting of treatments, though any actual drug development is still a long way of
Intestinal Regeneration Cancer Treatment LXR Molecule Inflammatory Bowel Disease Immunotherapy
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