Monoterpene regulation of Ras and Ras-related protein expression

Sarah A. Holstein, Raymond Hohl

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Monoterpenes, derived primarily from plants, are products of the isoprenoid biosynthetic pathway and function as chemical messengers with diverse functions. The biochemical bases for these activities are largely undefined. The Ras small GTPase superfamily of proteins consists of isoprenylated proteins that play key roles in signal transduction pathways known to regulate diverse cellular functions. In these studies, we have examined the effects of the monoterpenes on expression of Ras and Ras-related proteins, in the absence and presence of mevalonate depletion. Although prior studies have suggested that monoterpenes inhibit isoprenyl transferases, our studies clearly show that select monoterpenes inhibit up-regulation of Ras and the Ras-related proteins. A structure-activity relationship model for these effects was defined. The ability of monoterpenes to regulate the expression of the Ras-related proteins was found to be independent of effects on cell proliferation or total cellular protein synthesis/degradation. This regulatory function of monoterpenes suggests a role for these plant-derived compounds in altering signal transduction elements.

Original languageEnglish (US)
Pages (from-to)1209-1215
Number of pages7
JournalJournal of Lipid Research
Volume44
Issue number6
DOIs
StatePublished - Jun 1 2003

Fingerprint

ras Proteins
Monoterpenes
Signal transduction
Proteins
Signal Transduction
Mevalonic Acid
Monomeric GTP-Binding Proteins
Biosynthetic Pathways
Terpenes
Cell proliferation
Phytochemicals
Structure-Activity Relationship
Transferases
Proteolysis
Up-Regulation
Cell Proliferation
Degradation

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Endocrinology
  • Cell Biology

Cite this

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abstract = "Monoterpenes, derived primarily from plants, are products of the isoprenoid biosynthetic pathway and function as chemical messengers with diverse functions. The biochemical bases for these activities are largely undefined. The Ras small GTPase superfamily of proteins consists of isoprenylated proteins that play key roles in signal transduction pathways known to regulate diverse cellular functions. In these studies, we have examined the effects of the monoterpenes on expression of Ras and Ras-related proteins, in the absence and presence of mevalonate depletion. Although prior studies have suggested that monoterpenes inhibit isoprenyl transferases, our studies clearly show that select monoterpenes inhibit up-regulation of Ras and the Ras-related proteins. A structure-activity relationship model for these effects was defined. The ability of monoterpenes to regulate the expression of the Ras-related proteins was found to be independent of effects on cell proliferation or total cellular protein synthesis/degradation. This regulatory function of monoterpenes suggests a role for these plant-derived compounds in altering signal transduction elements.",
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Monoterpene regulation of Ras and Ras-related protein expression. / Holstein, Sarah A.; Hohl, Raymond.

In: Journal of Lipid Research, Vol. 44, No. 6, 01.06.2003, p. 1209-1215.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Monoterpene regulation of Ras and Ras-related protein expression

AU - Holstein, Sarah A.

AU - Hohl, Raymond

PY - 2003/6/1

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N2 - Monoterpenes, derived primarily from plants, are products of the isoprenoid biosynthetic pathway and function as chemical messengers with diverse functions. The biochemical bases for these activities are largely undefined. The Ras small GTPase superfamily of proteins consists of isoprenylated proteins that play key roles in signal transduction pathways known to regulate diverse cellular functions. In these studies, we have examined the effects of the monoterpenes on expression of Ras and Ras-related proteins, in the absence and presence of mevalonate depletion. Although prior studies have suggested that monoterpenes inhibit isoprenyl transferases, our studies clearly show that select monoterpenes inhibit up-regulation of Ras and the Ras-related proteins. A structure-activity relationship model for these effects was defined. The ability of monoterpenes to regulate the expression of the Ras-related proteins was found to be independent of effects on cell proliferation or total cellular protein synthesis/degradation. This regulatory function of monoterpenes suggests a role for these plant-derived compounds in altering signal transduction elements.

AB - Monoterpenes, derived primarily from plants, are products of the isoprenoid biosynthetic pathway and function as chemical messengers with diverse functions. The biochemical bases for these activities are largely undefined. The Ras small GTPase superfamily of proteins consists of isoprenylated proteins that play key roles in signal transduction pathways known to regulate diverse cellular functions. In these studies, we have examined the effects of the monoterpenes on expression of Ras and Ras-related proteins, in the absence and presence of mevalonate depletion. Although prior studies have suggested that monoterpenes inhibit isoprenyl transferases, our studies clearly show that select monoterpenes inhibit up-regulation of Ras and the Ras-related proteins. A structure-activity relationship model for these effects was defined. The ability of monoterpenes to regulate the expression of the Ras-related proteins was found to be independent of effects on cell proliferation or total cellular protein synthesis/degradation. This regulatory function of monoterpenes suggests a role for these plant-derived compounds in altering signal transduction elements.

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