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3,3'-Diindolylmethane

3,3′-Diindolylmethane (DIM) is a compound derived from the digestion of indole-3-carbinol, found in cruciferous vegetables such as broccoli, Brussels sprouts, cabbage and kale. The reputation of Brassica vegetables as healthy foods rests in part on the activities of diindolylmethane. 3,3′-Diindolylmethane (DIM) is a compound derived from the digestion of indole-3-carbinol, found in cruciferous vegetables such as broccoli, Brussels sprouts, cabbage and kale. The reputation of Brassica vegetables as healthy foods rests in part on the activities of diindolylmethane. Clinical data for the effects of DIM are limited, but because of potential anticancer properties, the National Cancer Institute of the United States has begun clinical trials of DIM as a therapeutic for numerous forms of cancer. Much of the scientific interest is due to its action as a histone deacetylase inhibitor in vitro, specifically against HDAC1, HDAC2, and HDAC3. At the present time, DIM is used to treat recurrent respiratory papillomatosis (RRP), a rare respiratory disease with tumors in the upper respiratory tracts caused by the human papilloma virus. In a preliminary study on 64 women, it was well tolerated at the studied dose (2 mg/kg/day), showing some promising results as an immunostimulant against human papilloma virus infection of the cervix, but not at a statistically significant level. In a subsequent double-blind, randomized, placebo-controlled study on 600 women, DIM in vivo had no effect on cytology regarding cervical dysplasia, a precancerous condition also caused by the human papilloma virus. DIM has been demonstrated to work synergistically with genistein (from soy), in causing apoptotic gene expression in breast cancer cells. Some unnatural synthetic analogs were also prepared. For example, 1,1-bis(3'-indolyl)-1-(p-methoxyphenyl)methane is a Nur77 agonist.

[ "Cancer", "Apoptosis", "Cruciferous vegetables", "In vitro", "In vivo" ]
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