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Systemic treatment with the antidiabetic drug metformin selectively impairs p53-deficient tumor cell growth. Buzzai M, Jones RG, Amaravadi RK, Lum JJ, DeBerardinis RJ, Zhao F, Viollet B, Thompson CB. Cancer Res. 2007 Jul 15;67(14):6745-52. PMID: 17638885 doi: 10.1158/0008-5472.CAN-06-4447

Inhibition of skin tumor growth and angiogenesis in vivo by activation of cannabinoid receptors. Casanova ML, Blázquez C, Martínez-Palacio J, Villanueva C, Fernández-Aceñero MJ, Huffman JW, Jorcano JL, Guzmán M. J Clin Invest. 2003 Jan;111(1):43-50. PMID: 12511587 doi:10.1172/JCI16116

Ginger inhibits cell growth and modulates angiogenic factors in ovarian cancer cells. Rhode J, Fogoros S, Zick S, Wahl H, Griffith KA, Huang J, Liu JR. BMC Complement Altern Med. 2007 Dec 20;7:44. PMID: 18096028 doi:10.1186/1472-6882-7-44

White button mushroom (Agaricus bisporus) exhibits antiproliferative and proapoptotic properties and inhibits prostate tumor growth in athymic mice. Adams LS, Phung S, Wu X, Ki L, Chen S. Nutr Cancer. 2008;60(6):744-56. PMID: 19005974 DOI: 10.1080/01635580802192866

Opposing effects of n-6 and n-3 polyunsaturated fatty acids on pancreatic cancer growth. Funahashi H, Satake M, Hasan S, Sawai H, Newman RA, Reber HA, Hines OJ, Eibl G. Pancreas. 2008 May;36(4):353-62. PMID: 18437081 doi: 10.1097/MPA.0b013e31815ccc44

Berberine, a natural product, induces G1-phase cell cycle arrest and caspase-3-dependent apoptosis in human prostate carcinoma cells. Mantena SK, Sharma SD, Katiyar SK. Mol Cancer Ther. 2006 Feb;5(2):296-308. PMID: 16505103 doi: 10.1158/1535-7163.MCT-05-0448 The effectiveness of berberine in checking the growth of androgen-insensitive, as well as androgen-sensitive, prostate cancer cells without affecting the growth of normal prostate epithelial cells indicates that it may be a promising candidate for prostate cancer therapy. The evaluation of ancient herbal medicines may indicate novel strategies for the treatment of prostate cancer, which remains the leading cause of cancer-related deaths in American men (1). In our present investigation, we show that a naturally occurring isoquinoline alkaloid, berberine, significantly inhibits the proliferation and reduces the viability of DU145 and PC-3 as well as LNCaP cells (Fig. 1), which suggests that berberine may be an effective chemotherapeutic agent against both androgen-sensitive and androgen-insensitive prostate cancer cells. Importantly, we found that berberine did not exhibit toxicity to nonneoplastic human prostate epithelial cells under the conditions used, except for a moderate reduction in cell viability at higher concentrations when cells were treated in vitro for an extended period of time. In conclusion, the results of the present study indicate that berberine inhibits proliferation and induces G1-phase arrest and apoptosis in human prostate cancer cells but not in normal human prostate epithelial cells. In addition, we provide mechanistic evidence that berberine-induced apoptosis in prostate carcinoma cells, particularly hormone-refractory prostate carcinoma cells, is mediated through enhanced expression of Bax, disruption of the mitochondrial membrane potential, and activation of caspase-3.

Cannabinoids inhibit the vascular endothelial growth factor pathway in gliomas. Blázquez C, González-Feria L, Alvarez L, Haro A, Casanova ML, Guzmán M. Cancer Res. 2004 Aug 15;64(16):5617-23. PMID: 15313899

Structure-function relationships of anthocyanins from various anthocyanin-rich extracts on the inhibition of colon cancer cell growth. Jing P, Bomser JA, Schwartz SJ, He J, Magnuson BA, Giusti MM. J Agric Food Chem. 2008 Oct 22;56(20):9391-8. Epub 2008 Sep 19. PMID: 18800807 DOI: 10.1021/jf8005917

Simultaneously targeting epidermal growth factor receptor tyrosine kinase and cyclooxygenase-2, an efficient approach to inhibition of squamous cell carcinoma of the head and neck. Chen Z, Zhang X, Li M, Wang Z, Wieand HS, Grandis JR, Shin DM. Clin Cancer Res. 2004 Sep 1;10(17):5930-9. PMID: 15355926

Pharmacologic doses of ascorbate act as a prooxidant and decrease growth of aggressive tumor xenografts in mice. Chen Q, Espey MG, Sun AY, Pooput C, Kirk KL, Krishna MC, Khosh DB, Drisko J, Levine M. Proc Natl Acad Sci U S A. 2008 Aug 12;105(32):11105-9. Epub 2008 Aug 4. PMID: 18678913 doi: 10.1073/pnas.0804226105

Differential effects of selenium on benign and malignant prostate epithelial cells: stimulation of LNCaP cell growth by noncytotoxic, low selenite concentrations. Kandaş NO, Randolph C, Bosland MC. Nutr Cancer. 2009;61(2):251-64. PMID: 19235042

A mitochondria-K+ channel axis is suppressed in cancer and its normalization promotes apoptosis and inhibits cancer growth. Bonnet S, Archer SL, Allalunis-Turner J, Haromy A, Beaulieu C, Thompson R, Lee CT, Lopaschuk GD, Puttagunta L, Bonnet S, Harry G, Hashimoto K, Porter CJ, Andrade MA, Thebaud B, Michelakis ED. Cancer Cell. 2007 Jan;11(1):37-51. PMID: 17222789 doi:10.1016/j.ccr.2006.10.020

Jourdain C, Tenca G, Deguercy A, Troplin P, Poelman D. In-vitro effects of polyphenols from cocoa and beta-sitosterol on the growth of human prostate cancer and normal cells. Eur J Cancer Prev. 2006 Aug;15(4):353-61. PMID: 16835506 [PubMed - indexed fo

Researchers at Johns Hopkins have discovered to their surprise that a drug commonly used to treat toenail fungus can also block angiogenesis, the growth of new blood vessels commonly seen in cancers. The drug, itraconazole, already is FDA approved for hum

Re-engineering a protein that helps prevent tumours spreading and growing has created a potentially powerful therapy for people with many different types of cancer. In a study published in the first issue of EMBO Molecular Medicine, Canadian researchers modified the tumour inhibiting protein, von Hippel-Lindau (VHL), and demonstrated that it could suppress tumour growth in mice.

Prostate tumor growth and recurrence can be modulated by the omega-6:omega-3 ratio in diet: athymic mouse xenograft model simulating radical prostatectomy. Kelavkar UP, Hutzley J, Dhir R, Kim P, Allen KG, McHugh K. Neoplasia. 2006 Feb;8(2):112-24. PMID: 16611404

Factors associated with clinical benefit from epidermal growth factor receptor inhibitors in recurrent and metastatic squamous cell carcinoma of the head and neck. Cohen EE, Halpern AB, Kasza K, Kocherginsky M, Williams R, Vokes EE. Oral Oncol. 2009 Oct;45(10):e155-60. Epub 2009 Jul 7. PMID: 19586795

Mesothelioma Expert identifies three main areas of growth in medical research.

White button mushroom (Agaricus bisporus) exhibits antiproliferative and proapoptotic properties and inhibits prostate tumor growth in athymic mice. Adams LS, Phung S, Wu X, Ki L, Chen S. Nutr Cancer. 2008;60(6):744-56. PMID: 19005974

MedWire News: Calcitriol, the active form of vitamin D, has been found to induce the tumor-suppressing protein CCAAT enhancer-binding protein (C/EBP)α, which can inhibit the growth of breast cancer cells, researchers report.