Novel anti-carcinogenic activity of an organosulfide from garlic

Inhibition of H-ras oncogene transformed tumor growth in vivo by diallyl disulfide is associated with inhibition of p21(H-ras) processing

Shivendra V. Singh, Rajiv R. Mohan, Rajesh Agarwal, Patrick J. Benson, Xun Hu, Maura A. Rudy, Hong Xia, Arthur Katoh, Sanjay K. Srivastava, Hasan Mukhtar, Vicram Gupta, Howard A. Zaren

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Abstract

In this study, we report a novel anticarcinogenic activity of an organosulfur compound from garlic, diallyl disulfide (DADS). DADS treatment significantly inhibited the growth of H-ras oncogene transformed tumors in nude mice. As compared to controls, the appearance of tumors was also delayed markedly by oral administration of DADS. The inhibition of tumor growth by DADS treatment correlated with the inhibition of p21(H-ras) membrane association in the tumor tissue. The levels of membrane associated p21(H-ras) were markedly lower in the tumor tissues of DADS treated mice as compared to controls. An opposite trend, however, was evident for cytosolic p21(H-ras). Furthermore, DADS treatment resulted in a significant inhibition of hepatic as well as tumoral 3-hydroxy-3-methylglutaryl coenzyme A reductase activity. These results indicate that DADS suppresses the growth of H-ras oncogene transformed tumors in nude mice by inhibiting the membrane association of tumoral p21(H-ras).

Original languageEnglish (US)
Pages (from-to)660-665
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume225
Issue number2
DOIs
StatePublished - Aug 14 1996

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Proto-Oncogene Proteins p21(ras)
Garlic
ras Genes
Tumors
Growth
Processing
Neoplasms
Membranes
Nude Mice
Tissue
diallyl disulfide
Oral Administration
Oxidoreductases
Therapeutics
Liver

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Novel anti-carcinogenic activity of an organosulfide from garlic : Inhibition of H-ras oncogene transformed tumor growth in vivo by diallyl disulfide is associated with inhibition of p21(H-ras) processing. / Singh, Shivendra V.; Mohan, Rajiv R.; Agarwal, Rajesh; Benson, Patrick J.; Hu, Xun; Rudy, Maura A.; Xia, Hong; Katoh, Arthur; Srivastava, Sanjay K.; Mukhtar, Hasan; Gupta, Vicram; Zaren, Howard A.

In: Biochemical and Biophysical Research Communications, Vol. 225, No. 2, 14.08.1996, p. 660-665.

Research output: Contribution to journalArticle

Singh, Shivendra V. ; Mohan, Rajiv R. ; Agarwal, Rajesh ; Benson, Patrick J. ; Hu, Xun ; Rudy, Maura A. ; Xia, Hong ; Katoh, Arthur ; Srivastava, Sanjay K. ; Mukhtar, Hasan ; Gupta, Vicram ; Zaren, Howard A. / Novel anti-carcinogenic activity of an organosulfide from garlic : Inhibition of H-ras oncogene transformed tumor growth in vivo by diallyl disulfide is associated with inhibition of p21(H-ras) processing. In: Biochemical and Biophysical Research Communications. 1996 ; Vol. 225, No. 2. pp. 660-665.
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abstract = "In this study, we report a novel anticarcinogenic activity of an organosulfur compound from garlic, diallyl disulfide (DADS). DADS treatment significantly inhibited the growth of H-ras oncogene transformed tumors in nude mice. As compared to controls, the appearance of tumors was also delayed markedly by oral administration of DADS. The inhibition of tumor growth by DADS treatment correlated with the inhibition of p21(H-ras) membrane association in the tumor tissue. The levels of membrane associated p21(H-ras) were markedly lower in the tumor tissues of DADS treated mice as compared to controls. An opposite trend, however, was evident for cytosolic p21(H-ras). Furthermore, DADS treatment resulted in a significant inhibition of hepatic as well as tumoral 3-hydroxy-3-methylglutaryl coenzyme A reductase activity. These results indicate that DADS suppresses the growth of H-ras oncogene transformed tumors in nude mice by inhibiting the membrane association of tumoral p21(H-ras).",
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