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Mechanism behind compound's effects on skin inflammation and cancer progression described

Date:
May 23, 2011
Source:
Brigham and Women's Hospital
Summary:
Researchers have developed a fluorinated analog of glucosamine, which, in a recent study, has been shown to block the synthesis of key carbohydrate structures linked to skin inflammation and cancer progression.

Dr. Chuck Dimitroff, Danielle Hays, Matt Opperman, Dr. Filiberto Cedeno-Laurent and Dr. Steve Barthel.
Credit: Image courtesy of Brigham and Women's Hospital

Charles J. Dimitroff, MS, PhD, and colleagues in the Dimitroff Lab at Brigham and Women's Hospital, have developed a fluorinated analog of glucosamine, which, in a recent study, has been shown to block the synthesis of key carbohydrate structures linked to skin inflammation and cancer progression.

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These findings appear in the April 14, 2011, issue of the Journal of Biological Chemistry.

Dr. Dimitroff and colleagues show for the first time that the fluorinated glucosamine therapeutic works not through direct incorporation into growing sugar chains as previously believed but instead blocks the synthesis of a key sugar, UDP-GlcNAc, inside immune cells characteristically involved inflammation and anti-tumor immunity

Accordingly, this report underscores a novel and previously unknown mechanism by which fluorinated glucosamine analogs could shape and reduce inflammation intensity, while boosting anti-tumor immune responses. Such knowledge could prove valuable in the design of new and more potent glucosamine mimetics against disease as well as in treatment strategies to utilize existing glucosamine mimetics more efficiently.

This research was funded by grants from the National Cancer Institute and the National Center for Complementary and Alternative Medicine of the National Institutes of Health.


Story Source:

The above story is based on materials provided by Brigham and Women's Hospital. Note: Materials may be edited for content and length.


Journal Reference:

  1. S. R. Barthel, A. Antonopoulos, F. Cedeno-Laurent, L. Schaffer, G. Hernandez, S. A. Patil, S. J. North, A. Dell, K. L. Matta, S. Neelamegham, S. M. Haslam, C. J. Dimitroff. Peracetylated 4-fluoro-glucosamine reduces the content and repertoire of N- and O-glycans without direct incorporation.. Journal of Biological Chemistry, 2011; DOI: 10.1074/jbc.M110.194597

Cite This Page:

Brigham and Women's Hospital. "Mechanism behind compound's effects on skin inflammation and cancer progression described." ScienceDaily. ScienceDaily, 23 May 2011. <www.sciencedaily.com/releases/2011/05/110523121337.htm>.
Brigham and Women's Hospital. (2011, May 23). Mechanism behind compound's effects on skin inflammation and cancer progression described. ScienceDaily. Retrieved March 5, 2015 from www.sciencedaily.com/releases/2011/05/110523121337.htm
Brigham and Women's Hospital. "Mechanism behind compound's effects on skin inflammation and cancer progression described." ScienceDaily. www.sciencedaily.com/releases/2011/05/110523121337.htm (accessed March 5, 2015).

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