Abstract
The migration of tumor cells is a prerequisite for tumor cell invasion and metastasis development, which accounts for over 90% of cancer mortality. Therefore a major focus of current tumor biological research is the study of those factors that regulate tumor cell migration. Those chemokines and neurotransmitters that bind to G-protein coupled receptors (also known as serpentine receptors) are the most prominent of these factors. Neurotransmitters have been identified that have not only a stimulatory (e.g. norepinephrine) effect, but an inhibitory effect (e.g. GABA) as well. This is an especially fortuitous development, because many known agonists and antagonists of neurotransmitter receptors are currently being successfully used in the treatment of other pathological conditions (e.g. β-blockers in the treatment of cardiovascular diseases). Likewise, chemokine receptor antagonists, which are under development for the treatment of HIV or rheumatoid arthritis, may be effective tools for the inhibition of chemokine-driven tumor cell migration as well. A further approach to inhibit tumor cell migration arises from the investigation of the relevant signal transduction pathways. The PKC alpha, for example, is a key enzyme in the regulation of tumor cell migration, but not of leukocyte migration. It thus offers a selective target opportunity for specific pharmacological agents to interfere with tumor cell migration. In this review we therefore summarize the current findings on those serpentine receptors involved in the neurotransmitter- and chemokine-regulated tumor cell migration, on the underlying signal transduction pathways, and on the opportunities to inhibit tumor cell migration and ultimately metastasis development with pharmaceutical agents.
Keywords: tumor cell, migration, metastasis, chemokines, neurotransmitters, serpentine receptors, signal transduction
Current Pharmaceutical Design
Title: Neurotransmitters and Chemokines Regulate Tumor Cell Migration: Potential for a New Pharmacological Approach to Inhibit Invasion and Metastasis Development
Volume: 11 Issue: 3
Author(s): Frank Entschladen, Theodore L. Drell IV, Kerstin Lang, Jan Joseph and Kurt S. Zaenker
Affiliation:
Keywords: tumor cell, migration, metastasis, chemokines, neurotransmitters, serpentine receptors, signal transduction
Abstract: The migration of tumor cells is a prerequisite for tumor cell invasion and metastasis development, which accounts for over 90% of cancer mortality. Therefore a major focus of current tumor biological research is the study of those factors that regulate tumor cell migration. Those chemokines and neurotransmitters that bind to G-protein coupled receptors (also known as serpentine receptors) are the most prominent of these factors. Neurotransmitters have been identified that have not only a stimulatory (e.g. norepinephrine) effect, but an inhibitory effect (e.g. GABA) as well. This is an especially fortuitous development, because many known agonists and antagonists of neurotransmitter receptors are currently being successfully used in the treatment of other pathological conditions (e.g. β-blockers in the treatment of cardiovascular diseases). Likewise, chemokine receptor antagonists, which are under development for the treatment of HIV or rheumatoid arthritis, may be effective tools for the inhibition of chemokine-driven tumor cell migration as well. A further approach to inhibit tumor cell migration arises from the investigation of the relevant signal transduction pathways. The PKC alpha, for example, is a key enzyme in the regulation of tumor cell migration, but not of leukocyte migration. It thus offers a selective target opportunity for specific pharmacological agents to interfere with tumor cell migration. In this review we therefore summarize the current findings on those serpentine receptors involved in the neurotransmitter- and chemokine-regulated tumor cell migration, on the underlying signal transduction pathways, and on the opportunities to inhibit tumor cell migration and ultimately metastasis development with pharmaceutical agents.
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Entschladen Frank, Drell IV L. Theodore, Lang Kerstin, Joseph Jan and Zaenker S. Kurt, Neurotransmitters and Chemokines Regulate Tumor Cell Migration: Potential for a New Pharmacological Approach to Inhibit Invasion and Metastasis Development, Current Pharmaceutical Design 2005; 11 (3) . https://dx.doi.org/10.2174/1381612053382197
DOI https://dx.doi.org/10.2174/1381612053382197 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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