Washington, October 12 : A study in mice has shown that a gene called SIRT1 prevents cholesterol build-up by activating a cellular pathway that expels cholesterol from the body.

Washington, Oct 12 : A study has found that pp32, a tumour-blocking protein in prostate and breast cancer development, may play a vital role in the growth of pancreatic cancer.

Washington, October 12 : Scientists have found that an enzyme called TPPII may contribute to obesity by stimulating the formation of fat cells.