Diindolylmethane

Last Editorial Review: 6/11/2021
Other Name(s):

Diindolymetano, Diidolylméthane, DIM, 3,3'-Diindolylmethane.

Overview

Diindolylmethane is formed in the body from plant substances contained in “cruciferous” vegetables such as cabbage, Brussels sprouts, cauliflower, and broccoli. Scientists think these vegetables may help to protect the body against cancer because they contain diindolylmethane and a related chemical called indole-3-carbinol.

Diindolylmethane is used for preventing breast, uterine, and colorectal cancer. It is also used to prevent an enlarged prostate (benign prostatic hypertrophy, BPH) and treat premenstrual syndrome (PMS).

How does it work?

Diindolylmethane might act like estrogen in the body, but there is evidence that under certain circumstances it might also block estrogen effects.

QUESTION

Next to red peppers, you can get the most vitamin C from ________________. See Answer

Uses & Effectiveness

Insufficient Evidence to Rate Effectiveness for...

More evidence is needed to rate the effectiveness of diindolylmethane for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Side Effects

Diindolylmethane is LIKELY SAFE when consumed in the small amounts found in foods. A typical diet supplies 2-24 mg of diindolylmethane. It is POSSIBLY SAFE for most people when taken by mouth short-term for medicinal purposes. Taking larger doses of diindolylmethane is POSSIBLY UNSAFE. Taking 600 mg of diindolylmethane daily has been reported to lower sodium levels in some people.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Diindolylmethane is LIKELY SAFE when consumed in the small amounts found in foods. But don't take larger amounts. Not enough is known about the safety of larger amounts during pregnancy and breast-feeding.

Children: Diindolylmethane is LIKELY SAFE when consumed in the small amounts found in foods. But don't give children larger amounts. Not enough is known about the safety of larger amounts of diindolylmethane when given to children.

Hormone-sensitive conditions such as breast cancer, uterine cancer, ovarian cancer, endometriosis, or uterine fibroids: Diindolylmethane might act like estrogen, so there is some concern that it might make hormone-sensitive conditions worse. These conditions include breast, uterine, and ovarian cancer; endometriosis; and uterine fibroids. However, developing research also suggests that diindolylmethane might work against estrogen and could possibly be protective against hormone-dependent cancers. But stay on the safe side. Until more is known, don't use diindolylmethane if you have a hormone-sensitive condition.

SLIDESHOW

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Interactions


EstrogensInteraction Rating: Moderate Be cautious with this combination.Talk with your health provider.

Some of the effects of diindolylmethane might be similar to the hormone estrogen. Other effects of diindolylmethane might oppose the effects of estrogen. Taking large amounts of diindolylmethane might interfere with hormone replacement therapy.


Water pills (Diuretic drugs)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider.

Diindolylmethane might reduce the amount of sodium in the body. Some "water pills" can also decrease the amount of sodium in the body. Taking sodium-depleting "water pills" along with diindolylmethane might decrease sodium too much. Some "water pills" that can decrease sodium include acetazolamide (Diamox), chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDIURIL, Microzide), and others.


Medications changed by the liver (Cytochrome P450 1A2 (CYP1A2) substrates)Interaction Rating: Minor Be cautious with this combination.Talk with your health provider.

Some medications are changed and broken down by the liver. Diindolylmethane might increase how quickly the liver breaks down some medications. Taking diindolylmethane along with some medications that are changed by the liver can decrease the effectiveness of some medications. Before taking diindolylmethane, talk to your healthcare provider if you take any medications that are changed by the liver.

Some of these medications that are changed by the liver include clozapine (Clozaril), cyclobenzaprine (Flexeril), fluvoxamine (Luvox), haloperidol (Haldol), imipramine (Tofranil), mexiletine (Mexitil), olanzapine (Zyprexa), pentazocine (Talwin), propranolol (Inderal), tacrine (Cognex), theophylline, zileuton (Zyflo), zolmitriptan (Zomig), and others.

Dosing

The appropriate dose of diindolylmethane depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for diindolylmethane. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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References

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Bhuiyan, M. M., Li, Y., Banerjee, S., Ahmed, F., Wang, Z., Ali, S., and Sarkar, F. H. Down-regulation of androgen receptor by 3,3'-diindolylmethane contributes to inhibition of cell proliferation and induction of apoptosis in both hormone-sensitive LNCaP and insensitive C4-2B prostate cancer cells. Cancer Res. 10-15-2006;66(20):10064-10072. View abstract.

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Chang, Y. C., Riby, J., Chang, G. H., Peng, B. C., Firestone, G., and Bjeldanes, L. F. Cytostatic and antiestrogenic effects of 2-(indol-3-ylmethyl)-3,3'-diindolylmethane, a major in vivo product of dietary indole-3-carbinol. Biochem.Pharmacol. 9-1-1999;58(5):825-834. View abstract.

Chen, D. Z., Qi, M., Auborn, K. J., and Carter, T. H. Indole-3-carbinol and diindolylmethane induce apoptosis of human cervical cancer cells and in murine HPV16-transgenic preneoplastic cervical epithelium. J.Nutr. 2001;131(12):3294-3302. View abstract.

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Chen, Y., Xu, J., Jhala, N., Pawar, P., Zhu, Z. B., Ma, L., Byon, C. H., and McDonald, J. M. Fas-mediated apoptosis in cholangiocarcinoma cells is enhanced by 3,3'-diindolylmethane through inhibition of AKT signaling and FLICE-like inhibitory protein. Am.J.Pathol. 2006;169(5):1833-1842. View abstract.

Chinnakannu, K., Chen, D., Li, Y., Wang, Z., Dou, Q. P., Reddy, G. P., and Sarkar, F. H. Cell cycle-dependent effects of 3,3'-diindolylmethane on proliferation and apoptosis of prostate cancer cells. J.Cell Physiol 2009;219(1):94-99. View abstract.

Chintharlapalli, S., Papineni, S., and Safe, S. 1,1-bis(3'-indolyl)-1-(p-substitutedphenyl)methanes inhibit growth, induce apoptosis, and decrease the androgen receptor in LNCaP prostate cancer cells through peroxisome proliferator-activated receptor gamma-independent pathways. Mol.Pharmacol. 2007;71(2):558-569. View abstract.

Chintharlapalli, S., Smith, R., III, Samudio, I., Zhang, W., and Safe, S. 1,1-Bis(3'-indolyl)-1-(p-substitutedphenyl)methanes induce peroxisome proliferator-activated receptor gamma-mediated growth inhibition, transactivation, and differentiation markers in colon cancer cells. Cancer Res. 9-1-2004;64(17):5994-6001. View abstract.

Cho, H. J., Seon, M. R., Lee, Y. M., Kim, J., Kim, J. K., Kim, S. G., and Park, J. H. 3,3'-Diindolylmethane suppresses the inflammatory response to lipopolysaccharide in murine macrophages. J.Nutr. 2008;138(1):17-23. View abstract.

Cho, S. D., Lee, S. O., Chintharlapalli, S., Abdelrahim, M., Khan, S., Yoon, K., Kamat, A. M., and Safe, S. Activation of nerve growth factor-induced B alpha by methylene-substituted diindolylmethanes in bladder cancer cells induces apoptosis and inhibits tumor growth. Mol.Pharmacol. 2010;77(3):396-404. View abstract.

Cho, S. D., Lei, P., Abdelrahim, M., Yoon, K., Liu, S., Guo, J., Papineni, S., Chintharlapalli, S., and Safe, S. 1,1-bis(3'-indolyl)-1-(p-methoxyphenyl)methane activates Nur77-independent proapoptotic responses in colon cancer cells. Mol.Carcinog. 2008;47(4):252-263. View abstract.

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Contractor, R., Samudio, I. J., Estrov, Z., Harris, D., McCubrey, J. A., Safe, S. H., Andreeff, M., and Konopleva, M. A novel ring-substituted diindolylmethane,1,1-bis[3'-(5-methoxyindolyl)]-1-(p-t-butylphenyl) methane, inhibits extracellular signal-regulated kinase activation and induces apoptosis in acute myelogenous leukemia. Cancer Res. 4-1-2005;65(7):2890-2898. View abstract.

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Gross-Steinmeyer, K., Stapleton, P. L., Liu, F., Tracy, J. H., Bammler, T. K., Quigley, S. D., Farin, F. M., Buhler, D. R., Safe, S. H., Strom, S. C., and Eaton, D. L. Phytochemical-induced changes in gene expression of carcinogen-metabolizing enzymes in cultured human primary hepatocytes. Xenobiotica 2004;34(7):619-632. View abstract.

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Kandala, P. K. and Srivastava, S. K. Activation of checkpoint kinase 2 by 3,3'-diindolylmethane is required for causing G2/M cell cycle arrest in human ovarian cancer cells. Mol.Pharmacol. 2010;78(2):297-309. View abstract.

Kassie, F., Anderson, L. B., Scherber, R., Yu, N., Lahti, D., Upadhyaya, P., and Hecht, S. S. Indole-3-carbinol inhibits 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone plus benzo(a)pyrene-induced lung tumorigenesis in A/J mice and modulates carcinogen-induced alterations in protein levels. Cancer Res. 7-1-2007;67(13):6502-6511. View abstract.

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Khwaja, F. S., Wynne, S., Posey, I., and Djakiew, D. 3,3'-diindolylmethane induction of p75NTR-dependent cell death via the p38 mitogen-activated protein kinase pathway in prostate cancer cells. Cancer Prev.Res.(Phila) 2009;2(6):566-571. View abstract.

Kim, E. J., Park, H., Kim, J., and Park, J. H. 3,3'-diindolylmethane suppresses 12-O-tetradecanoylphorbol-13-acetate-induced inflammation and tumor promotion in mouse skin via the downregulation of inflammatory mediators. Mol.Carcinog. 2010;49(7):672-683. View abstract.

Kim, E. J., Park, S. Y., Shin, H. K., Kwon, D. Y., Surh, Y. J., and Park, J. H. Activation of caspase-8 contributes to 3,3'-Diindolylmethane-induced apoptosis in colon cancer cells. J.Nutr. 2007;137(1):31-36. View abstract.

Kim, E. J., Shin, M., Park, H., Hong, J. E., Shin, H. K., Kim, J., Kwon, D. Y., and Park, J. H. Oral administration of 3,3'-diindolylmethane inhibits lung metastasis of 4T1 murine mammary carcinoma cells in BALB/c mice. J.Nutr. 2009;139(12):2373-2379. View abstract.

Kim, Y. H., Kwon, H. S., Kim, D. H., Shin, E. K., Kang, Y. H., Park, J. H., Shin, H. K., and Kim, J. K. 3,3'-diindolylmethane attenuates colonic inflammation and tumorigenesis in mice. Inflamm.Bowel.Dis. 2009;15(8):1164-1173. View abstract.

Kim, Y. S. and Milner, J. A. Targets for indole-3-carbinol in cancer prevention. J.Nutr.Biochem. 2005;16(2):65-73. View abstract.

Kong, D., Banerjee, S., Huang, W., Li, Y., Wang, Z., Kim, H. R., and Sarkar, F. H. Mammalian target of rapamycin repression by 3,3'-diindolylmethane inhibits invasion and angiogenesis in platelet-derived growth factor-D-overexpressing PC3 cells. Cancer Res. 3-15-2008;68(6):1927-1934. View abstract.

Kong, D., Li, Y., Wang, Z., Banerjee, S., and Sarkar, F. H. Inhibition of angiogenesis and invasion by 3,3'-diindolylmethane is mediated by the nuclear factor-kappaB downstream target genes MMP-9 and uPA that regulated bioavailability of vascular endothelial growth factor in prostate cancer. Cancer Res. 4-1-2007;67(7):3310-3319. View abstract.

Kunimasa, K., Kobayashi, T., Kaji, K., and Ohta, T. Antiangiogenic effects of indole-3-carbinol and 3,3'-diindolylmethane are associated with their differential regulation of ERK1/2 and Akt in tube-forming HUVEC. J.Nutr. 2010;140(1):1-6. View abstract.

Le, H. T., Schaldach, C. M., Firestone, G. L., and Bjeldanes, L. F. Plant-derived 3,3'-Diindolylmethane is a strong androgen antagonist in human prostate cancer cells. J.Biol.Chem. 6-6-2003;278(23):21136-21145. View abstract.

Lee, S. H., Kim, J. S., Yamaguchi, K., Eling, T. E., and Baek, S. J. Indole-3-carbinol and 3,3'-diindolylmethane induce expression of NAG-1 in a p53-independent manner. Biochem.Biophys.Res.Commun. 3-4-2005;328(1):63-69. View abstract.

Lee, S. O., Li, X., Khan, S., and Safe, S. Targeting NR4A1 (TR3) in cancer cells and tumors. Expert.Opin.Ther.Targets. 2011;15(2):195-206. View abstract.

Leibelt, D. A., Hedstrom, O. R., Fischer, K. A., Pereira, C. B., and Williams, D. E. Evaluation of chronic dietary exposure to indole-3-carbinol and absorption-enhanced 3,3'-diindolylmethane in sprague-dawley rats. Toxicol.Sci. 2003;74(1):10-21. View abstract.

Leong, H., Firestone, G. L., and Bjeldanes, L. F. Cytostatic effects of 3,3'-diindolylmethane in human endometrial cancer cells result from an estrogen receptor-mediated increase in transforming growth factor-alpha expression. Carcinogenesis 2001;22(11):1809-1817. View abstract.

Leong, H., Riby, J. E., Firestone, G. L., and Bjeldanes, L. F. Potent ligand-independent estrogen receptor activation by 3,3'-diindolylmethane is mediated by cross talk between the protein kinase A and mitogen-activated protein kinase signaling pathways. Mol.Endocrinol. 2004;18(2):291-302. View abstract.

Li, Y., Kong, D., Wang, Z., and Sarkar, F. H. Regulation of microRNAs by natural agents: an emerging field in chemoprevention and chemotherapy research. Pharm.Res. 2010;27(6):1027-1041. View abstract.

Li, Y., Li, X., and Guo, B. Chemopreventive agent 3,3'-diindolylmethane selectively induces proteasomal degradation of class I histone deacetylases. Cancer Res. 1-15-2010;70(2):646-654. View abstract.

Li, Y., Li, X., and Sarkar, F. H. Gene expression profiles of I3C- and DIM-treated PC3 human prostate cancer cells determined by cDNA microarray analysis. J.Nutr. 2003;133(4):1011-1019. View abstract.

Li, Y., VandenBoom, T. G., Kong, D., Wang, Z., Ali, S., Philip, P. A., and Sarkar, F. H. Up-regulation of miR-200 and let-7 by natural agents leads to the reversal of epithelial-to-mesenchymal transition in gemcitabine-resistant pancreatic cancer cells. Cancer Res. 8-15-2009;69(16):6704-6712. View abstract.

Li, Y., VandenBoom, T. G., Wang, Z., Kong, D., Ali, S., Philip, P. A., and Sarkar, F. H. miR-146a suppresses invasion of pancreatic cancer cells. Cancer Res. 2-15-2010;70(4):1486-1495. View abstract.

Li, Y., Wang, Z., Kong, D., Murthy, S., Dou, Q. P., Sheng, S., Reddy, G. P., and Sarkar, F. H. Regulation of FOXO3a/beta-catenin/GSK-3beta signaling by 3,3'-diindolylmethane contributes to inhibition of cell proliferation and induction of apoptosis in prostate cancer cells. J.Biol.Chem. 7-20-2007;282(29):21542-21550. View abstract.

Liu, S., Abdelrahim, M., Khan, S., Ariazi, E., Jordan, V. C., and Safe, S. Aryl hydrocarbon receptor agonists directly activate estrogen receptor alpha in MCF-7 breast cancer cells. Biol.Chem. 2006;387(9):1209-1213. View abstract.

Loub, W. D., Wattenberg, L. W., and Davis, D. W. Aryl hydrocarbon hydroxylase induction in rat tissues by naturally occurring indoles of cruciferous plants. J.Natl.Cancer Inst. 1975;54(4):985-988. View abstract.

Maciejewska, D., Rasztawicka, M., Wolska, I., Anuszewska, E., and Gruber, B. Novel 3,3'-diindolylmethane derivatives: synthesis and cytotoxicity, structural characterization in solid state. Eur.J.Med.Chem. 2009;44(10):4136-4147. View abstract.

McCarty, M. F. and Block, K. I. Multifocal angiostatic therapy: an update. Integr.Cancer Ther. 2005;4(4):301-314. View abstract.

McDanell, R., McLean, A. E., Hanley, A. B., Heaney, R. K., and Fenwick, G. R. Differential induction of mixed-function oxidase (MFO) activity in rat liver and intestine by diets containing processed cabbage: correlation with cabbage levels of glucosinolates and glucosinolate hydrolysis products. Food Chem.Toxicol. 1987;25(5):363-368. View abstract.

McDougal, A., Gupta, M. S., Morrow, D., Ramamoorthy, K., Lee, J. E., and Safe, S. H. Methyl-substituted diindolylmethanes as inhibitors of estrogen-induced growth of T47D cells and mammary tumors in rats. Breast Cancer Res.Treat. 2001;66(2):147-157. View abstract.

McGuire, K. P., Ngoubilly, N., Neavyn, M., and Lanza-Jacoby, S. 3,3'-diindolylmethane and paclitaxel act synergistically to promote apoptosis in HER2/Neu human breast cancer cells. J.Surg.Res. 5-15-2006;132(2):208-213. View abstract.

Moiseeva, E. P., Almeida, G. M., Jones, G. D., and Manson, M. M. Extended treatment with physiologic concentrations of dietary phytochemicals results in altered gene expression, reduced growth, and apoptosis of cancer cells. Mol.Cancer Ther. 2007;6(11):3071-3079. View abstract.

Nachshon-Kedmi, M., Fares, F. A., and Yannai, S. Therapeutic activity of 3,3'-diindolylmethane on prostate cancer in an in vivo model. Prostate 10-1-2004;61(2):153-160. View abstract.

Nachshon-Kedmi, M., Yannai, S., and Fares, F. A. Induction of apoptosis in human prostate cancer cell line, PC3, by 3,3'-diindolylmethane through the mitochondrial pathway. Br.J.Cancer 10-4-2004;91(7):1358-1363. View abstract.

Nachshon-Kedmi, M., Yannai, S., Haj, A., and Fares, F. A. Indole-3-carbinol and 3,3'-diindolylmethane induce apoptosis in human prostate cancer cells. Food Chem.Toxicol. 2003;41(6):745-752. View abstract.

Nguyen, H. H., Aronchik, I., Brar, G. A., Nguyen, D. H., Bjeldanes, L. F., and Firestone, G. L. The dietary phytochemical indole-3-carbinol is a natural elastase enzymatic inhibitor that disrupts cyclin E protein processing. Proc.Natl.Acad.Sci.U.S.A 12-16-2008;105(50):19750-19755. View abstract.

Noguchi-Yachide, T., Tetsuhashi, M., Aoyama, H., and Hashimoto, Y. Enhancement of chemically-induced HL-60 cell differentiation by 3,3'-diindolylmethane derivatives. Chem.Pharm.Bull.(Tokyo) 2009;57(5):536-540. View abstract.

Okino, S. T., Pookot, D., Basak, S., and Dahiya, R. Toxic and chemopreventive ligands preferentially activate distinct aryl hydrocarbon receptor pathways: implications for cancer prevention. Cancer Prev.Res.(Phila) 2009;2(3):251-256. View abstract.

Pappa, G., Lichtenberg, M., Iori, R., Barillari, J., Bartsch, H., and Gerhauser, C. Comparison of growth inhibition profiles and mechanisms of apoptosis induction in human colon cancer cell lines by isothiocyanates and indoles from Brassicaceae. Mutat.Res. 7-25-2006;599(1-2):76-87. View abstract.

Pappa, G., Strathmann, J., Lowinger, M., Bartsch, H., and Gerhauser, C. Quantitative combination effects between sulforaphane and 3,3'-diindolylmethane on proliferation of human colon cancer cells in vitro. Carcinogenesis 2007;28(7):1471-1477. View abstract.

Parkin, D. R. and Malejka-Giganti, D. Differences in the hepatic P450-dependent metabolism of estrogen and tamoxifen in response to treatment of rats with 3,3'-diindolylmethane and its parent compound indole-3-carbinol. Cancer Detect.Prev. 2004;28(1):72-79. View abstract.

Parkin, D. R., Lu, Y., Bliss, R. L., and Malejka-Giganti, D. Inhibitory effects of a dietary phytochemical 3,3'-diindolylmethane on the phenobarbital-induced hepatic CYP mRNA expression and CYP-catalyzed reactions in female rats. Food Chem.Toxicol. 2008;46(7):2451-2458. View abstract.

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Qin, C., Morrow, D., Stewart, J., Spencer, K., Porter, W., Smith, R., III, Phillips, T., Abdelrahim, M., Samudio, I., and Safe, S. A new class of peroxisome proliferator-activated receptor gamma (PPARgamma) agonists that inhibit growth of breast cancer cells: 1,1-Bis(3'-indolyl)-1-(p-substituted phenyl)methanes. Mol.Cancer Ther. 2004;3(3):247-260. View abstract.

Rahimi, M., Huang, K. L., and Tang, C. K. 3,3'-Diindolylmethane (DIM) inhibits the growth and invasion of drug-resistant human cancer cells expressing EGFR mutants. Cancer Lett. 9-1-2010;295(1):59-68. View abstract.

Rahman, K. M., Banerjee, S., Ali, S., Ahmad, A., Wang, Z., Kong, D., and Sakr, W. A. 3,3'-Diindolylmethane enhances taxotere-induced apoptosis in hormone-refractory prostate cancer cells through survivin down-regulation. Cancer Res. 5-15-2009;69(10):4468-4475. View abstract.

Rahman, K. W. and Sarkar, F. H. Inhibition of nuclear translocation of nuclear factor-(kappa)B contributes to 3,3'-diindolylmethane-induced apoptosis in breast cancer cells. Cancer Res. 1-1-2005;65(1):364-371. View abstract.

Rahman, K. W., Li, Y., Wang, Z., Sarkar, S. H., and Sarkar, F. H. Gene expression profiling revealed survivin as a target of 3,3'-diindolylmethane-induced cell growth inhibition and apoptosis in breast cancer cells. Cancer Res. 5-1-2006;66(9):4952-4960. View abstract.

Rajoria, S., Suriano, R., Wilson, Y. L., Schantz, S. P., Moscatello, A., Geliebter, J., and Tiwari, R. K. 3,3'-diindolylmethane inhibits migration and invasion of human cancer cells through combined suppression of ERK and AKT pathways. Oncol.Rep. 2011;25(2):491-497. View abstract.

Reed, G. A., Arneson, D. W., Putnam, W. C., Smith, H. J., Gray, J. C., Sullivan, D. K., Mayo, M. S., Crowell, J. A., and Hurwitz, A. Single-dose and multiple-dose administration of indole-3-carbinol to women: pharmacokinetics based on 3,3'-diindolylmethane. Cancer Epidemiol.Biomarkers Prev. 2006;15(12):2477-2481. View abstract.

Reed, G. A., Sunega, J. M., Sullivan, D. K., Gray, J. C., Mayo, M. S., Crowell, J. A., and Hurwitz, A. Single-dose pharmacokinetics and tolerability of absorption-enhanced 3,3'-diindolylmethane in healthy subjects. Cancer Epidemiol.Biomarkers Prev. 2008;17(10):2619-2624. View abstract.

Renwick, A. B., Mistry, H., Barton, P. T., Mallet, F., Price, R. J., Beamand, J. A., and Lake, B. G. Effect of some indole derivatives on xenobiotic metabolism and xenobiotic-induced toxicity in cultured rat liver slices. Food Chem.Toxicol. 1999;37(6):609-618. View abstract.

Riby, J. E., Firestone, G. L., and Bjeldanes, L. F. 3,3'-diindolylmethane reduces levels of HIF-1alpha and HIF-1 activity in hypoxic cultured human cancer cells. Biochem.Pharmacol. 5-1-2008;75(9):1858-1867. View abstract.

Riby, J. E., Xue, L., Chatterji, U., Bjeldanes, E. L., Firestone, G. L., and Bjeldanes, L. F. Activation and potentiation of interferon-gamma signaling by 3,3'-diindolylmethane in MCF-7 breast cancer cells. Mol.Pharmacol. 2006;69(2):430-439. View abstract.

Rogan, E. G. The natural chemopreventive compound indole-3-carbinol: state of the science. In Vivo 2006;20(2):221-228. View abstract.

Roy, A., BoseDasgupta, S., Ganguly, A., Jaisankar, P., and Majumder, H. K. Topoisomerase I gene mutations at F270 in the large subunit and N184 in the small subunit contribute to the resistance mechanism of the unicellular parasite Leishmania donovani towards 3,3'-diindolylmethane. Antimicrob.Agents Chemother. 2009;53(6):2589-2598. View abstract.

Roy, A., Ganguly, A., BoseDasgupta, S., Das, B. B., Pal, C., Jaisankar, P., and Majumder, H. K. Mitochondria-dependent reactive oxygen species-mediated programmed cell death induced by 3,3'-diindolylmethane through inhibition of F0F1-ATP synthase in unicellular protozoan parasite Leishmania donovani. Mol.Pharmacol. 2008;74(5):1292-1307. View abstract.

Sanderson, J. T., Slobbe, L., Lansbergen, G. W., Safe, S., and van den Berg, M. 2,3,7,8-Tetrachlorodibenzo-p-dioxin and diindolylmethanes differentially induce cytochrome P450 1A1, 1B1, and 19 in H295R human adrenocortical carcinoma cells. Toxicol.Sci. 2001;61(1):40-48. View abstract.

Sarkar, F. H. and Li, Y. Cell signaling pathways altered by natural chemopreventive agents. Mutat.Res 11-2-2004;555(1-2):53-64. View abstract.

Sarkar, F. H. and Li, Y. Indole-3-carbinol and prostate cancer. J.Nutr. 2004;134(12 Suppl):3493S-3498S. View abstract.

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Sarkar, F. H., Li, Y., Wang, Z., and Kong, D. The role of nutraceuticals in the regulation of Wnt and Hedgehog signaling in cancer. Cancer Metastasis Rev. 2010;29(3):383-394. View abstract.

Sarkar, F. H., Li, Y., Wang, Z., Kong, D., and Ali, S. Implication of microRNAs in drug resistance for designing novel cancer therapy. Drug Resist.Updat. 2010;13(3):57-66. View abstract.

Sasieni, P. Chemoprevention of cervical cancer. Best.Pract.Res.Clin.Obstet.Gynaecol. 2006;20(2):295-305. View abstract.

Savino, J. A., III, Evans, J. F., Rabinowitz, D., Auborn, K. J., and Carter, T. H. Multiple, disparate roles for calcium signaling in apoptosis of human prostate and cervical cancer cells exposed to diindolylmethane. Mol.Cancer Ther. 2006;5(3):556-563. View abstract.

Sepkovic, D. W., Bradlow, H. L., and Bell, M. Quantitative determination of 3,3'-diindolylmethane in urine of individuals receiving indole-3-carbinol. Nutr.Cancer 2001;41(1-2):57-63. View abstract.

Sepkovic, D. W., Stein, J., Carlisle, A. D., Ksieski, H. B., Auborn, K., and Bradlow, H. L. Diindolylmethane inhibits cervical dysplasia, alters estrogen metabolism, and enhances immune response in the K14-HPV16 transgenic mouse model. Cancer Epidemiol.Biomarkers Prev. 2009;18(11):2957-2964. View abstract.

Shilling, A. D., Carlson, D. B., Katchamart, S., and Williams, D. E. 3,3'-diindolylmethane, a major condensation product of indole-3-carbinol, is a potent estrogen in the rainbow trout. Toxicol.Appl.Pharmacol. 2-1-2001;170(3):191-200. View abstract.

Smith, S., Sepkovic, D., Bradlow, H. L., and Auborn, K. J. 3,3'-Diindolylmethane and genistein decrease the adverse effects of estrogen in LNCaP and PC-3 prostate cancer cells. J.Nutr. 2008;138(12):2379-2385. View abstract.

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Stresser, D. M., Bjeldanes, L. F., Bailey, G. S., and Williams, D. E. The anticarcinogen 3,3'-diindolylmethane is an inhibitor of cytochrome P-450. J.Biochem.Toxicol. 1995;10(4):191-201. View abstract.

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Sugihara, K., Okayama, T., Kitamura, S., Yamashita, K., Yasuda, M., Miyairi, S., Minobe, Y., and Ohta, S. Comparative study of aryl hydrocarbon receptor ligand activities of six chemicals in vitro and in vivo. Arch.Toxicol. 2008;82(1):5-11. View abstract.

Sun, S., Han, J., Ralph, W. M., Jr., Chandrasekaran, A., Liu, K., Auborn, K. J., and Carter, T. H. Endoplasmic reticulum stress as a correlate of cytotoxicity in human tumor cells exposed to diindolylmethane in vitro. Cell Stress.Chaperones. 2004;9(1):76-87. View abstract.

Tadi, K., Chang, Y., Ashok, B. T., Chen, Y., Moscatello, A., Schaefer, S. D., Schantz, S. P., Policastro, A. J., Geliebter, J., and Tiwari, R. K. 3,3'-Diindolylmethane, a cruciferous vegetable derived synthetic anti-proliferative compound in thyroid disease. Biochem.Biophys.Res.Commun. 11-25-2005;337(3):1019-1025. View abstract.

Takahashi, N., Dashwood, R. H., Bjeldanes, L. F., Bailey, G. S., and Williams, D. E. Regulation of hepatic cytochrome P4501A by indole-3-carbinol: transient induction with continuous feeding in rainbow trout. Food Chem.Toxicol. 1995;33(2):111-120. View abstract.

Takahashi, N., Dashwood, R. H., Bjeldanes, L. F., Williams, D. E., and Bailey, G. S. Mechanisms of indole-3-carbinol (I3C) anticarcinogenesis: inhibition of aflatoxin B1-DNA adduction and mutagenesis by I3C acid condensation products. Food Chem.Toxicol. 1995;33(10):851-857. View abstract.

Takahashi, N., Stresser, D. M., Williams, D. E., and Bailey, G. S. Induction of hepatic CYP1A by indole-3-carbinol in protection against aflatoxin B1 hepatocarcinogenesis in rainbow trout. Food Chem.Toxicol. 1995;33(10):841-850. View abstract.

Tilton, S. C., Givan, S. A., Pereira, C. B., Bailey, G. S., and Williams, D. E. Toxicogenomic profiling of the hepatic tumor promoters indole-3-carbinol, 17beta-estradiol and beta-naphthoflavone in rainbow trout. Toxicol.Sci. 2006;90(1):61-72. View abstract.

Vivar, O. I., Lin, C. L., Firestone, G. L., and Bjeldanes, L. F. 3,3'-Diindolylmethane induces a G(1) arrest in human prostate cancer cells irrespective of androgen receptor and p53 status. Biochem.Pharmacol. 9-1-2009;78(5):469-476. View abstract.

Vivar, O. I., Saunier, E. F., Leitman, D. C., Firestone, G. L., and Bjeldanes, L. F. Selective activation of estrogen receptor-beta target genes by 3,3'-diindolylmethane. Endocrinology 2010;151(4):1662-1667. View abstract.

Wang, T. T., Milner, M. J., Milner, J. A., and Kim, Y. S. Estrogen receptor alpha as a target for indole-3-carbinol. J.Nutr.Biochem. 2006;17(10):659-664. View abstract.

Wang, Z., Yu, B. W., Rahman, K. M., Ahmad, F., and Sarkar, F. H. Induction of growth arrest and apoptosis in human breast cancer cells by 3,3-diindolylmethane is associated with induction and nuclear localization of p27kip. Mol.Cancer Ther. 2008;7(2):341-349. View abstract.

Wattenberg, L. W. and Loub, W. D. Inhibition of polycyclic aromatic hydrocarbon-induced neoplasia by naturally occurring indoles. Cancer Res. 1978;38(5):1410-1413. View abstract.

Wattenberg, L. W., Loub, W. D., Lam, L. K., and Speier, J. L. Dietary constituents altering the responses to chemical carcinogens. Fed.Proc. 5-1-1976;35(6):1327-1331. View abstract.

Wihlen, B., Ahmed, S., Inzunza, J., and Matthews, J. Estrogen receptor subtype- and promoter-specific modulation of aryl hydrocarbon receptor-dependent transcription. Mol.Cancer Res. 2009;7(6):977-986. View abstract.

Williams, D. E., Katchamar, S., Larsen-Su, S. A., Stresser, D. M., Dehal, S. S., and Kupfer, D. Concurrent flavin-containing monooxygenase down regulation and cytochrome P450 induction by dietary indoles in the rat: implication for drug-drug interactions. Adv.Exp.Med.Biol. 2001;500:635-638. View abstract.

Wortelboer, H. M., de Kruif, C. A., van Iersel, A. A., Falke, H. E., Noordhoek, J., and Blaauboer, B. J. Acid reaction products of indole-3-carbinol and their effects on cytochrome P450 and phase II enzymes in rat and monkey hepatocytes. Biochem.Pharmacol. 4-1-1992;43(7):1439-1447. View abstract.

Wortelboer, H. M., van der Linden, E. C., de Kruif, C. A., Noordhoek, J., Blaauboer, B. J., van Bladeren, P. J., and Falke, H. E. Effects of indole-3-carbinol on biotransformation enzymes in the rat: in vivo changes in liver and small intestinal mucosa in comparison with primary hepatocyte cultures. Food Chem.Toxicol. 1992;30(7):589-599. View abstract.

Xue, L., Firestone, G. L., and Bjeldanes, L. F. DIM stimulates IFNgamma gene expression in human breast cancer cells via the specific activation of JNK and p38 pathways. Oncogene 3-31-2005;24(14):2343-2353. View abstract.

Xue, L., Pestka, J. J., Li, M., Firestone, G. L., and Bjeldanes, L. F. 3,3'-Diindolylmethane stimulates murine immune function in vitro and in vivo. J.Nutr.Biochem. 2008;19(5):336-344. View abstract.

Yin, H., Chu, A., Li, W., Wang, B., Shelton, F., Otero, F., Nguyen, D. G., Caldwell, J. S., and Chen, Y. A. Lipid G protein-coupled receptor ligand identification using beta-arrestin PathHunter assay. J.Biol.Chem. 5-1-2009;284(18):12328-12338. View abstract.

Zhang, S., Shen, H. M., and Ong, C. N. Down-regulation of c-FLIP contributes to the sensitization effect of 3,3'-diindolylmethane on TRAIL-induced apoptosis in cancer cells. Mol.Cancer Ther. 2005;4(12):1972-1981. View abstract.

Zhang, X. and Malejka-Giganti, D. Effects of treatment of rats with indole-3-carbinol on apoptosis in the mammary gland and mammary adenocarcinomas. Anticancer Res. 2003;23(3B):2473-2479. View abstract.

Zhao, Y. Y., Zhou, L., Pan, Y. Z., Zhao, L. J., Liu, Y. N., Yu, H., Li, Y., and Zhao, X. J. [3,3-diindolylmethane enhances the inhibitory effect of idarubicin on the growth of human prostate cancer cells]. Zhonghua Yi.Xue.Za Zhi. 3-11-2008;88(10):661-664. View abstract.

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