Abstract
The neuropeptide substance P (SP) shows a widespread distribution in both the central and peripheral nervous systems and it is known that after binding to the neurokinin-1 (NK-1) receptors, SP regulates many biological functions in the central nervous system such as emotional behaviour, stress, depression, anxiety, emesis, migraine, alcohol addiction and neurodegeneration. SP has been also implicated in pain, inflammation, hepatotoxicity and in virus proliferation, and it plays an important role in cancer (e.g., tumour cell proliferation, angiogenesis, and the migration of tumour cells for invasion and metastasis). By contrast, it is known that after binding to NK-1 receptors, NK-1 receptor antagonists specifically inhibit the above-mentioned biological functions mediated by SP. Thus, these antagonists exert an anxyolitic, antidepressant, antiemetic, antimigraine, antialcohol addiction or neuroprotector effect in the central nervous system, and they play a role in analgesic, antiinflammatory, hepatoprotector processes and in antivirus proliferation. Regarding cancer, NK-1 receptor antagonists exert an antitumour action (inducing tumour cell death by apoptosis), and induce antiangiogenesis and inhibit the migration of tumour cells. It is also known that NK-1 receptors have a widespread distribution and that they are overexpressed in tumour cells. Thus, NK-1 receptor antagonists are molecularly targeted agents. In general, current drugs have a single therapeutic effect, although less commonly they may exert several. However, the data reported above indicate that NK-1 receptor antagonists are promising drugs, exerting many therapeutic effects (the action of such antagonists is dose-dependent and, depending on the concentration, has more positive effects). In this review, we update the multiple therapeutic effects exerted by NK-1 receptor antagonists.
Keywords: Substance P, anxyolitic, antidepressant, analgesic, antivirus proliferation, antialcohol addiction, antiinflammatory, antitumour, NK-1 Receptor Antagonists, neuropeptide
Current Medicinal Chemistry
Title: NK-1 Receptor Antagonists: A New Paradigm in Pharmacological Therapy
Volume: 18 Issue: 12
Author(s): M. Munoz and R. Covenas
Affiliation:
Keywords: Substance P, anxyolitic, antidepressant, analgesic, antivirus proliferation, antialcohol addiction, antiinflammatory, antitumour, NK-1 Receptor Antagonists, neuropeptide
Abstract: The neuropeptide substance P (SP) shows a widespread distribution in both the central and peripheral nervous systems and it is known that after binding to the neurokinin-1 (NK-1) receptors, SP regulates many biological functions in the central nervous system such as emotional behaviour, stress, depression, anxiety, emesis, migraine, alcohol addiction and neurodegeneration. SP has been also implicated in pain, inflammation, hepatotoxicity and in virus proliferation, and it plays an important role in cancer (e.g., tumour cell proliferation, angiogenesis, and the migration of tumour cells for invasion and metastasis). By contrast, it is known that after binding to NK-1 receptors, NK-1 receptor antagonists specifically inhibit the above-mentioned biological functions mediated by SP. Thus, these antagonists exert an anxyolitic, antidepressant, antiemetic, antimigraine, antialcohol addiction or neuroprotector effect in the central nervous system, and they play a role in analgesic, antiinflammatory, hepatoprotector processes and in antivirus proliferation. Regarding cancer, NK-1 receptor antagonists exert an antitumour action (inducing tumour cell death by apoptosis), and induce antiangiogenesis and inhibit the migration of tumour cells. It is also known that NK-1 receptors have a widespread distribution and that they are overexpressed in tumour cells. Thus, NK-1 receptor antagonists are molecularly targeted agents. In general, current drugs have a single therapeutic effect, although less commonly they may exert several. However, the data reported above indicate that NK-1 receptor antagonists are promising drugs, exerting many therapeutic effects (the action of such antagonists is dose-dependent and, depending on the concentration, has more positive effects). In this review, we update the multiple therapeutic effects exerted by NK-1 receptor antagonists.
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Cite this article as:
Munoz M. and Covenas R., NK-1 Receptor Antagonists: A New Paradigm in Pharmacological Therapy, Current Medicinal Chemistry 2011; 18 (12) . https://dx.doi.org/10.2174/092986711795496746
DOI https://dx.doi.org/10.2174/092986711795496746 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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