Matrix Metalloproteinase Biology

Discussing recent advances in the field of matrix metalloproteinase (MMP) research from a multidisciplinary perspective, Matrix Metalloproteinase Biologyis a collection of chapters written by leaders in the field of MMPs.  The book focuses on the challenges of understanding the mechanisms substrate degradation by MMPs, as well as how these enzymes are able to degrade large, highly ordered substrates such as collagen. All topics addressed are considered in relation to disease progression including roles in cancer metastasis, rheumatoid arthritis and other inflammatory diseases.

The text first provides an overview of MMPs, focusing on the history, the development and failures of small molecule inhibitors in clinical trials, and work with TIMPS, the endogenous inhibitors of MMPs. These introductory chapters establish the foundation for later discussion of the recent progress on the design of different types of inhibitors, including novel antibody based therapeutics. The following section emphasizes research using novel methods to further the study of the MMPs. The third and final section focuses on in vivo research, particularly with respect to cancer models, degradation of the extracellular matrix, and MMP involvement in other disease states.

List of Contributors ix

1 Matrix Metalloproteinases: From Structure to Function 1
Maciej J. Stawikowski and Gregg B. Fields

1.1 Introduction 1

1.2 Structures of MMPs 1

1.2.1 General MMP structure and domain organization 1

1.2.2 Catalytic domain 2

1.2.3 Catalytic mechanism 3

1.2.4 Fibronectin type II-like inserts 3

1.2.5 Linker region 4

1.2.6 Hemopexin-like domain 6

1.2.7 Transmembrane domain and cytoplasmic tail 7

1.3 Overview of MMP substrate specificity 8

1.3.1 ECM substrates 9

1.3.2 Cell surface substrates 10

1.3.3 Intracellular MMP targets 11

1.4 Selective mechanisms of action 13

1.4.1 Collagenolysis 13

1.4.2 Gelatinolysis 15

Acknowledgments 16

References 16

2 Dynamics and Mechanism of Substrate Recognition by Matrix Metalloproteases 23
Ivan E. Collier and Gregory I. Goldberg

2.1 Introduction 23

2.2 Conformational flexibility of MMPs is inexorably linked to collagen proteolysis 24

2.3 Dynamics of MMP-2 and MMP-9 interaction with gelatin 26

2.4 Surface diffusion: a common mechanism for substrate interaction adapted by MMP-2 and MMP-9 26

2.5 Dynamics of MMP interaction with collagen fibrils 28

2.6 Mechanism of interaction of MMP-1, MMP-2, MMP-9, and MMP-14 with collagen substrate involves surface diffusion 28

2.7 Mechanism of MMP-1 diffusion on native collagen fibrils 30

2.8 Triple helical collagen cleavage – diffusion coupling 31

2.9 Conclusions 34

References 36

3 Matrix Metalloproteinases: From Structure to Function 41
Marco Fragai and Claudio Luchinat

3.1 Introduction 41

3.2 Classification and structural features 42

3.3 Catalytic mechanism 45

3.4 Intra- and inter-domain flexibility 47

3.5 Elastin and collagen degradation 47

References 54

4 Metzincin Modulators 61
Dmitry Minond

4.1 Inhibitors 61

4.1.1 Antibodies: targeting beyond the active site 61

4.1.2 Peptide-based inhibitors 65

4.1.3 Small molecules: non-zinc binding exosite inhibitors 68

4.1.4 Protein-based inhibitors 78

Summary and future directions 80

References 81

5 Therapeutics Targeting Matrix Metalloproteinases 85
Jillian Cathcart, Ashleigh Pulkoski-Gross, Stanley Zucker, and Jian Cao

5.1 Introduction 85

5.2 Peptidomimetic MMP inhibitors 86

5.3 Structure-based MMPI drug design 87

5.4 Mechanism-based MMPI design 89

5.5 Allosteric MMPI design 90

5.6 Macromolecular MMP inhibitors 91

5.7 Chemically-modified tetracyclines 93

5.8 Alternative approaches 94

5.9 MMPs as anti-targets 95

5.10 Conclusions 97

References 98

6 Matrix Metalloproteinase Modification of Extracellular Matrix-Mediated Signaling 103
Howard C. Crawford and Sharon M. Stack

6.1 Introduction 103

6.2 The extracellular matrix as a source for signaling ligands 104

6.3 ECM and mechanosensory signal transduction 106

6.4 Matrix remodeling and modification of mechano-sensory signaling 108

6.5 Conclusions and future directions 109

References 109

7 Meprin and ADAM Metalloproteases: Two Sides of the Same Coin? 115
Christoph Becker-Pauly and Stefan Rose-John

7.1 Introduction 115

7.2 Meprin metalloproteases 116

7.3 Structure of meprin α and meprin β 116

7.4 Proteomics for the identification of meprin substrates 118

7.5 Meprins in health and disease 118

7.6 Proteolytic back-and-forth of meprins and ADAMs 119

7.7 Collagen fibril formation 119

7.8 Angiogenesis and cancer 120

7.9 Inflammation 121

7.10 ADAM Proteases 121

7.11 The ADAM family of proteases 123

7.12 Orchestration of different pathways by ADAM17 123

7.13 Regulation of ADAM17 activity 123

7.14 Role of ADAM17 in vivo 125

7.15 Role of ADAM17 in humans 125

References 126

8 Subtracting Matrix Out of the Equation: New Key Roles of Matrix Metalloproteinases in Innate Immunity and Disease 131
Antoine Dufour and Christopher M. Overall

8.1 The tale of a frog’s tail 131

8.2 The MMP family 132

8.3 Making the cut as immune regulators 133

8.4 Enter the “omics” era: genomics, proteomics and degradomics 137

8.5 ECM versus non-ECM MMP substrates 138

8.6 Moonlighting protein substrates: intracellular proteins cleaved outside the cell 142

8.7 Intracellular protein substrates cleaved inside the cell by MMPs 143

8.8 Non-proteolytic roles of MMPs: missed in the myth? 145

8.9 The fairy tail of a frog has an unexpected ending 149

Acknowledgements 149

References 149

9 MMPs: From Genomics to Degradomics 153
Barbara Grünwald, Pascal Schlage, Achim Krüger, and Ulrich auf dem Keller

9.1 Introduction 153

9.1.1 Genomics: general aspects 154

9.1.2 The genomics approach to MMP function in cancer 155

9.1.3 Taking first steps towards MMP inhibition in cancer therapy 156

9.1.4 Lessons from the failure of unselective MMP inhibition 157

9.1.5 Limitations of the genomic approach to MMP function 160

9.1.6 Approaching proteolysis as a system 161

9.2 Degradomics – An Overview 164

9.2.1 Global assessment of MMP expression and activity 166

9.2.2 Defining MMP active site specificity 168

9.2.3 MMP substrate degradomics 169

9.2.4 Targeted degradomics 171

9.2.5 Data integration and repositories 173

9.3 Conclusions 174

Acknowledgments 174

References 174

10 MMPs in Biology and Medicine 183
Di Jia, Roopali Roy, and Marsha A. Moses

10.1 Introduction 183

10.2 Functional roles of MMPs and ADAMs 184

10.2.1 ECM remodeling 184

10.2.2 Processing of growth factors and receptors 185

10.2.3 Modulation of cell migration, invasion, proliferation, and epithelial to mesenchymal transition (EMT) 186

10.2.4 Regulation of angiogenesis 187

10.3 MMPs as diagnostic and prognostic biomarkers of cancer 187

10.3.1 Breast cancer 188

10.3.2 Prostate cancer 189

10.3.3 Lung cancer 190

10.3.4 Pancreatic cancer 191

10.3.5 Ovarian cancer 192

10.4 MMPs/ADAMs as diagnostic and prognostic biomarkers for non-neoplastic diseases 192

10.4.1 Cardiovascular diseases 193

10.4.2 Endometriosis 193

10.4.3 Preeclampsia 195

10.4.4 Arthritis 196

10.5 MMPs as biomarkers of therapeutic efficacy 197

10.6 MMP-specific molecular imaging for noninvasive disease detection 201

10.7 Conclusions 202

Acknowledgments 203

References 203

Index 215

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