New hope for colon cancer likely as enzyme linked to colon cancer identified

Understanding the role that sugar-modified (glycosylated) proteins play in healthy and cancerous cells is an emerging area of cancer biology.

By: Agencies | | Updated: January 27, 2018 4:28 pm

Researchers have identified an enzyme that appears to drive the conversion of normal colon tissue into cancer by attaching sugar molecules, or glycans, to certain proteins in the cell. The research, published in the Journal of Biological Chemistry, showed that the enzyme was absent in healthy colon tissue but abundant in colon cancer cells.
“Our data suggest (that) this specific enzyme seems to affect a subset of proteins that could be involved in cell-cell adhesion,” said Hans Wandall from University of Copenhagen in Denmark. Also Read - Effective treatment for rare lymphoma may be here soon

In other words, the glycan modifications changed the patterns in which cells stuck together, leading the cells to develop as something that looked more like a tumour than a healthy tissue. Understanding the role that sugar-modified (glycosylated) proteins play in healthy and cancerous cells is an emerging area of cancer biology that may lead to new therapies. Wandall’s team studied a group of 20 enzymes that initiate the first step in a particular kind of glycan modification, called GalNAc-type O-glycosylation, found on diverse proteins. These enzymes, called GalNAc transferases (GalNAc-Ts) are variously found in different amounts in different tissues, but their functions are poorly understood.Wandall’s team found that one of the GalNAc-Ts, called GalNAc-T6, was absent in healthy colon tissue but abundant in colon cancer cells. Also Read - Researchers develop new tool for performing cancer liquid biopsies

Source: IANS
Image source: Shutterstock Also Read - Heath Tech: 4 innovative technologies that will change cancer treatment

Published : January 27, 2018 3:31 pm | Updated:January 27, 2018 4:28 pm

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