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List of Contributors.
Preface.
A Personal Foreword.
I General Aspects.
1 Why Drugs Fail – A Study on Side Effects in New Chemical Entities (Daniela Schuster, Christian Laggner, Thierry Langer).
1.1 Introduction.
1.2 Drugs Withdrawn from the Market between 1992 and 2006 Listed Alphabetically.
1.3 Borderline Cases.
1.4 Investigational Drugs That Failed in Clinical Phases from 1992 to 2002.
1.5 Strategies for Avoiding Failure.
1.6 An Unusual Case: The Revival of Thalidomide.
References.
2 Use of Broad Biological Profiling as a Relevant Descriptor to Describe and Differentiate Compounds: Structure–In Vitro (Pharmacology-ADME)–In Vivo (Safety) Relationships (Jonathan S. Mason, Jacques Migeon, Philippe Dupuis, Annie Otto-Bruc).
2.1 Introduction.
2.3 Structure–In Vitro Relationships.
2.4 Chemogenomic Analysis – Target–Target Relationships.
2.5 In Vitro–In Vivo Relationships – Placing Drug Candidates in the Context of BioPrint1.
2.6 A Perspective for the Future.
References.
II Antitargets: Ion Channels and GPCRs.
3 Pharmacological and Regulatory Aspects of QT Prolongation (Fabrizio De Ponti).
3.1 Introduction.
3.2 hERG: Target Versus Antitarget.
3.3 Pharmacology of QT Prolongation.
3.4 Significance of Drug-Induced QT Prolongation.
3.5 Regulatory Aspects of QT Prolongation.
3.6 Conclusions.
References.
4 hERG Channel Physiology and Drug-Binding Structure–Activity Relationships (Sarah Dalibalta, John S. Mitcheson).
4.1 Introduction.
4.2 hERG Channel Structure.
4.3 hERG Potassium Channels and the Cardiac Action Potential.
4.4 Mutations in hERG Are Associated with Cardiac Arrhythmias.
4.5 Acquired Long QT Syndrome.
4.6 Drug-Binding Site of hERG.
4.7 Structural Basis for hERG Block.
4.8 Alternative Mechanisms of Block.
4.9 Role of Inactivation in hERG Block.
4.10 Inhibition of hERG Trafficking by Pharmacological Agents.
4.11 Computational Approaches to Predict hERG Kþ Channel Block.
4.12 Conclusions.
References.
5 QSAR and Pharmacophores for Drugs Involved in hERG Blockage (Maurizio Recanatini, Andrea Cavalli).
5.1 Introduction.
5.2 Ligand-Based Models for hERG-Blocking Activity.
5.3 Ligand-Derived Models in the Light of the hERG Channel Structure.
5.4 Conclusions.
References.
6 GPCR Antitarget Modeling: Pharmacophore Models to Avoid GPCR-Mediated Side Effects (Thomas Klabunde, Andreas Evers).
6.1 Introduction: GPCRs as Antitargets.
6.2 In Silico Tools for GPCR Antitarget Modeling.
6.3 GPCR Antitarget Pharmacophore Modeling: The a1a Adrenergic Receptor.
6.4 Summary.
References.
7 The Emergence of Serotonin 5-HT2B Receptors as DRUG Antitargets (Vincent Setola, Bryan L. Roth).
7.1 Receptorome Screening to Identify Drug Targets and Antitargets.
7.2 Post-Receptorome Screening Data Implicate 5-HT2B Receptors in Drug-Induced VHD and PH.
7.3 Drug Structural Classes and VHD/PH.
7.4 Conclusions.
References.
8 Computational Modeling of Selective Pharmacophores at the a1-Adrenergic Receptors (Francesca Fanelli, Pier G. De Benedetti).
8.1 Introduction.
8.2 Ligand-Based and Receptor-Based Pharmacophore Modeling and QSAR Analysis.
8.3 The General 1-AR Pharmacophore.
8.4 Modeling the a1-AR Subtype Selectivities of Different Classes of Antagonists.
8.5 Antitarget Modeling of Biogenic Amine-Binding GPCRs: Common Features and Subtle Differences.
8.6 Conclusions.
8.7 Perspectives.
References.
III Antitargets: Cytochrome P450s and Transporters.
9 Cytochrome P450s: Drug–Drug Interactions (Dan Rock, Jan Wahlstrom, Larry Wienkers).
9.1 Introduction.
9.2 Reversible Inhibition.
9.3 Irreversible Inhibition.
9.4 Conclusion.
References.
10 Site of Metabolism Predictions: Facts and Experiences (Ismael Zamora).
10.1 Introduction.
10.2 Factors That Influence the Site of Metabolism Prediction by Cytochrome P450s.
10.3 Methods to Predict the Site of Metabolism.
10.4 The Influence of the Protein Structure on the Site of Metabolism.
10.5 Conclusions.
References.
11 Irreversible Cytochrome P450 Inhibition: Common Substructures and Implications for Drug Development (Sonia M. Poli).
11.1 Introduction.
11.2 Overview.
11.3 Structural Features Often Responsible for Mechanism-Based CYP Inhibition.
11.4 Conclusions.
References.
12 MetaSite: Understanding CYP Antitarget Modeling for Early Toxicity Detection (Yasmin Aristei, Gabriele Cruciani, Sergio Clementi, Emanuele Carosati, Riccardo Vianello, Paolo Benedetti).
12.1 Introduction.
12.2 The CYPs as Antitarget Enzymes.
12.3 The UGTs as Antitarget Enzymes.
12.4 The MetaSite Technology.
12.5 Conclusions.
12.6 Software Package.
References.
13 Orphan Nuclear Receptor PXR-Mediated Gene Regulation in Drug Metabolism and Endobiotic Homeostasis (Jie Zhou, Yonggong Zhai, Wen Xie).
13.1 Cloning and Initial Characterization of PXR.
13.2 PXR and Its Regulation of Drug-Metabolizing Enzymes and Transporters.
13.3 Crosstalk Between PXR and Other Nuclear Receptors.
13.4 Implications of PXR-Mediated Gene Regulation for Drug Metabolism and Pathophysiology.
13.5 Species Specificity of PXR and the Creation of "Humanized" Mice.
13.6 Conclusions.
References.
14 Ligand Features Essential for Cytochrome P450 Induction (Daniela Schuster, Theodora M.Steindl, Thierry Langer).
14.1 Introduction.
14.2 Molecular Mechanisms Leading to P450 Induction.
14.3 General Ligand Features Leading to NR Activation.
References.
15 Transporters and Drugs – An Overview (Hartmut Glaeser, Martin F. Fromm, Jörg König).
15.1 Introduction.
15.2 Organic Anion Transporting Polypeptides and Drug Transport.
15.3 Multidrug Resistance Proteins and Drug Transport.
15.4 Role of P-Glycoprotein for Drug Disposition.
15.5 Vectorial Drug Transport.
References.
16 Computational Models for P-Glycoprotein Substrates and Inhibitors (Patrizia Crivori).
16.1 P-Glycoprotein Structure, Expression, Mechanism of Transport and Role on Drug Pharmacokinetics.
16.2 In Vitro Models for Studying P-gp Interacting Compounds.
16.3 Computational Models for Predicting P-gp Interacting Compounds.
16.4 Computational Models for Other Important Drug Transporters.
16.5 Conclusions.
References.
IV Case Studies of Drug Optimization Against Antitargets.
17 Selective Dipeptidyl Peptidase IV Inhibitors for the Treatment of Type 2 Diabetes: The Discovery of JANUVIA2 (Sitagliptin) (Scott D. Edmondson, Dooseop Kim).
17.1 Introduction.
17.2 Selectivity of DPP-4 Inhibitors.
17.3 a-Amino Acid Amide Series.
17.4 Early b-Amino Acid Amide DPP-4 Inhibitors.
17.5 Conclusions.
References.
18 Strategy and Tactics for hERG Optimizations (Craig Jamieson, Elizabeth M. Moir, Zoran Rankovic, Grant Wishart).
18.1 Introduction.
18.2 Survey of Strategies Used to Diminish hERG.
18.3 Summary and Analysis.
References.
19 Structure-Based In Silico Driven Optimization: Discovery of the Selective 5-HT1A Agonist PRX-00023 (Oren M. Becker).
19.1 Introduction.
19.2 Structure-Based In Silico Driven Multidimensional Optimization Paradigm.
19.3 Clinical Candidate Selection Criteria.
19.4 Lead Identification.
19.5 Optimization Round 1: Reducing Off-Target Activities.
19.6 Optimization Round 2: Reducing Affinity to hERG.
19.7 Conclusion.
References.
Index
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Chadwick Holsopple
reviewed Antitargets: Prediction and Prevention of Drug Side Effects, Vol. 38 on February 14, 2010
Antitargets: Prediction and Prevention of Drug Side Effects, Vol. 38
I deliberately started my vaccine research with this book - this is a history of vaccines from the times of Jenner and variolation to George Bush being vaccinated for now non-existent smallpox on TV to demonstrate his belief in the threat of bio-terrorism. I expected for this book to be as neutral as possible for a text on a controversial subject. As a parent to be, I am trying to go into the issue with an open mind - it is after all about the safety of my child, not which political group I happen to identify with the most. On this particular criterion of neutrality, however, Allen does not quite measure up. For instance, after describing numerous confirmed cases of vaccine injuries, he would still refer to vaccines as "completely safe" or "entirely safe" without providing any justification for his logic. As a reasonable human being, I understand that both diseases and vaccines come with risks. What scares me is the denial or belittling of risks which leaves me in no position to compare them intelligently.
Another quite annoying aspect is Allen's description of those people who don't vaccinate. He admits it that in some communities people who don't vaccinate are mostly PhD's, quite successful and well-off, but he mentions it in passing. However, an entire chapter is devoted to describing wackos in sects and with no understanding or respect for science as an example of the people "who prefer the whooping cough". That is offensive, as many people I personally know who choose to not vaccinate or vaccinate selectively (which is the option that I am leaning towards) are very reasonable people who did their homework.
This is a thoroughly researched text, however, and it serves its purpose. Definitely a good starting point for those parents who want to know everything there is to know about vaccinations to make the right decision.
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Add Antitargets: Prediction and Prevention of Drug Side Effects, Vol. 38, This practice-oriented handbook surveys current knowledge on the prediction and prevention of adverse drug reactions related to off-target activity of small molecule drugs. It is unique in collating the current approaches into a single source, and include, Antitargets: Prediction and Prevention of Drug Side Effects, Vol. 38 to the inventory that you are selling on WonderClubX
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Add Antitargets: Prediction and Prevention of Drug Side Effects, Vol. 38, This practice-oriented handbook surveys current knowledge on the prediction and prevention of adverse drug reactions related to off-target activity of small molecule drugs. It is unique in collating the current approaches into a single source, and include, Antitargets: Prediction and Prevention of Drug Side Effects, Vol. 38 to your collection on WonderClub |
