Abstract
Poly(ADP-ribose)polymerases (PARPs) catalyze a post-transcriptional modification of proteins, consisting in the attachment of mono, oligo or poly ADP-ribose units from NAD+ to specific polar residues of target proteins. The scientific interest in members of this superfamily of enzymes is continuously growing since they have been implicated in a range of diseases including stroke, cardiac ischemia, cancer, inflammation and diabetes.
Despite some inhibitors of PARP-1, the founder member of the superfamily, have advanced in clinical trials for cancer therapy, and other members of PARPs have recently been proposed as interesting drug targets, challenges exist in understanding the polypharmacology of current PARP inhibitors as well as developing highly selective chemical tools to unravel specific functions of each member of the superfamily.
Beginning with an overview on the molecular aspects that affect polypharmacology, in this article we discuss how these may have an impact on PARP research and drug discovery. Then, we review the most selective PARP inhibitors hitherto reported in literature, giving an update on the molecular aspects at the basis of selective PARP inhibitor design. Finally, some outlooks on current issues and future directions in this field of research are also provided.
Keywords: Cancer, drug design, poly(ADP-ribose)polymerases, polypharmacology, promiscuity, selective inhibitors, selectivity.
Current Topics in Medicinal Chemistry
Title:From Polypharmacology to Target Specificity: The Case of PARP Inhibitors
Volume: 13 Issue: 23
Author(s): Paride Liscio, Emidio Camaioni, Andrea Carotti, Roberto Pellicciari and Antonio Macchiarulo
Affiliation:
Keywords: Cancer, drug design, poly(ADP-ribose)polymerases, polypharmacology, promiscuity, selective inhibitors, selectivity.
Abstract: Poly(ADP-ribose)polymerases (PARPs) catalyze a post-transcriptional modification of proteins, consisting in the attachment of mono, oligo or poly ADP-ribose units from NAD+ to specific polar residues of target proteins. The scientific interest in members of this superfamily of enzymes is continuously growing since they have been implicated in a range of diseases including stroke, cardiac ischemia, cancer, inflammation and diabetes.
Despite some inhibitors of PARP-1, the founder member of the superfamily, have advanced in clinical trials for cancer therapy, and other members of PARPs have recently been proposed as interesting drug targets, challenges exist in understanding the polypharmacology of current PARP inhibitors as well as developing highly selective chemical tools to unravel specific functions of each member of the superfamily.
Beginning with an overview on the molecular aspects that affect polypharmacology, in this article we discuss how these may have an impact on PARP research and drug discovery. Then, we review the most selective PARP inhibitors hitherto reported in literature, giving an update on the molecular aspects at the basis of selective PARP inhibitor design. Finally, some outlooks on current issues and future directions in this field of research are also provided.
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Cite this article as:
Liscio Paride, Camaioni Emidio, Carotti Andrea, Pellicciari Roberto and Macchiarulo Antonio, From Polypharmacology to Target Specificity: The Case of PARP Inhibitors, Current Topics in Medicinal Chemistry 2013; 13 (23) . https://dx.doi.org/10.2174/15680266113136660209
DOI https://dx.doi.org/10.2174/15680266113136660209 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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