Monday, April 28, 2008

New mechanism for controlling cholesterol and lipid metabolism discovered




A troop of investigators from the Uppsala Branch of the Ludwig Institute in favour of Cancer Research (LICR) and Harvard Medical School personal uncovered innovative target for the upgrading of drugs that would potentially foil, or replace, statins delimited with immoderation heart syndrome.



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According to LICR's Dr. Johan Ericsson, the advanced novelist of the cram published today in Cell Metabolism, the team found that a protein call Fbw7 degrade the SREBP proteins that drive lipid and cholesterol amount produced. "We found that inhibit Fbw7 resulted in increased SREBP levels and an enhanced uptake of LDL, hence a remedy that block the interchange relating Fbw7 and SREBP proteins would probably enhance the extraction of glum LDL-cholesterol from the circulation. We can only order for gossip at this knees, but a two-pronged ambush by the cross of LDL removal, merge a statin with a psychotherapy that prohibit Fbw7/SREBP interaction would expected be of more windfall to some patients than statins alone." Dr. Ericsson said that the team also found that the Fbw7/SREBP interaction may also be associated to diabetes, in lodge of insulin signaling inhibited Fbw7's momentum to affect SREBP levels and in that utensil increased lipid and cholesterol coalition. Finally, the Fbw7/SREBP interaction also provide a inexact correlation between lipid synthesis and the aberrant enlargement of cancer cell. The death of Fbw7, which be inactivated in some breast, endometrial, ovarian and colon cancer, has been shown to generate cells multiply faster and synthesize more lipids; factor that are carping for tumor growth. Aspects of both links are underneath searching.



swhite@licr.org 1-917-974-7952 Ludwig Institute for Cancer Research




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