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Suppression of human cervical cancer cell lines Hela and DoTc2 4510 by a mixture of lysine, proline, ascorbic acid, and green tea extract
  1. M. W. Roomi,
  2. V. Ivanov,
  3. T. Kalinovsky,
  4. A. Niedzwiecki and
  5. M. Rath
  1. Matthias Rath Research Institute, Cancer Division, Santa Clara, California
  1. Address correspondence and reprint requests to: Tatiana Kalinovsky, MS, RN, 13890 W. Bell Road, Ste. 11, PMB 125, Surprise, Arizona 85374, USA. Email: t.kalinovsky{at}drrath.com

Abstract

Cervical cancer, the second most common cancer in women, once metastasized, leads to poor prognosis. We investigated the antitumor effect of a nutrient mixture (NM) containing lysine, proline, arginine, ascorbic acid, and green tea extract on human cervical cancer cells Hela (CCL-2) and DoTc2 4510 by measuring cell proliferation (MTT assay), modulation of matrix metalloproteinases (MMP)–2 and MMP-9) expression (gelatinase zymography), and cancer cell invasive potential (Matrigel). NM showed significant antiproliferative effect on CCL-2 and DoTc2 4510 cancer cells. The NM inhibited CCL-2 expression of MMP-2 and MMP-9 in a dose-dependent fashion, with virtual total inhibition of MMP-2 at 1000 μg/mL and MMP-9 at 500 μg/mL NM. Untreated DoTc2 4510 cells showed MMP-9 expression, which was enhanced with phorbol 12-myristate 13-acetate treatment. NM inhibited MMP-9 expression in a dose-dependent fashion, with virtual inhibition at 500 μg/mL. Invasion of human cervical cancer cells CCL-2 and DoTc2 4510 through Matrigel decreased in a dose-dependent fashion, with 100% inhibition at 500 μg/mL NM (P < 0.0001) and 1000 μg/mL NM (P < 0.0001), respectively. Our results suggest that the mixture of lysine, proline, arginine, ascorbic acid, and green tea extract has potential in the treatment of cervical cancer by inhibiting critical steps in cancer development and spread.

  • antitumor effect
  • cervical cancer
  • DOTC2 4510
  • Hela
  • MMP
  • nutrient mixture

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