Scientists at The Hospital for Sick Children (Sick Kids) and Yale University School of Medicine have found that a compound in the spice turmeric corrects the cystic fibrosis defect in mice. This research is reported in the April 23, 2004 issue of the journal Science.
Cystic fibrosis (CF) is fatal genetic disease in which thick mucous clogs the lungs and the pancreas due to problems with the secretion of ions and fluid by cells of the airways and gastrointestinal tract. Normal secretion depends upon the function of a protein called CFTR (cystic fibrosis transmembrane conductance regulator), which was discovered at The Hospital for Sick Children in 1989. Mutations in the gene encoding CFTR are responsible for cystic fibrosis. In the most common form of cystic fibrosis, the CFTR protein is trapped inside the cell, and is therefore unable to carry out its proper function at the cell surface.
The laboratories of Drs. Marie Egan, Michael Caplan (both at Yale University School of Medicine), and Gergely Lukacs (Sick Kids) demonstrated in a mouse model that curcumin treatment can release the mutant CFTR protein from this inappropriate compartment inside the cell and allow it to reach its proper destination, where it is able to function. Furthermore, oral curcumin treatment was able to correct characteristic cystic fibrosis defects in a mouse model of the disease. Curcumin is a compound found in turmeric, and is what gives the spice its bright yellow colour and strong taste.
Laura Greer | EurekAlert!
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