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Therapeutic Targets For Inflammation And Cancer: Novel Therapies For Digestive Diseases

Therapeutic Targets For Inflammation And Cancer: Novel Therapies For Digestive Diseases

Cho Chi-hin

(2017)

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Book Details

Table of Contents

Section Title Page Action Price
Contents xix
Foreword v
About the Editor vii
List of Contributors ix
Section I General Introduction to Inflammation and Cancer in the Digestive Tract 1
Reference 3
Section II Inflammation and Therapeutics in the Digestive Tract 5
Chapter 1. Brain–Gut Relationship on Mucosal Inflammation in the Gastrointestinal Tract\r 7
Abstract 7
Introduction 8
Overview of brain–gut relationship 8
Brain–Stomach Axis 10
Mental diseases, stress and gastric mucosal injury 10
Experimental evidence for the role of CNS in gastric mucosal homeostasis 12
Conveying the centrally initiated effect to the periphery 13
Stomach–Brain Axis 15
Brain–Gut Axis 16
Depression and IBD 18
Why can depression negatively influence the course of IBD? 18
Stress and IBD 19
Why does stress negatively influence the course of IBD? 20
Gut–Brain Axis 21
Mechanism of intestinal inflammation-induced brain alterations 22
Cytokines and prostaglandins 22
Gut–microbiota 23
Summary and Conclusion 24
References 26
Chapter 2. Nesfatin-1: The Novel Appetite Peptide with Therapeutic Efficacy to Prevent Acute Hemorrhagic Gastric Lesions and Accelerate Gastric Ulcer Healing\r 33
Abstract 33
Introduction 34
Expression of NUCB2/nesfatin-1 in peripheral tissues 36
The role of nesfatin-1 in the regulation of food intake 38
The emerging role of nesfatin-1 in the mechanism of gastric mucosal integrity and gastroprotection against damage induced by noxious agents 40
Involvement of nesfatin-1 and other appetite-controlling hormones the mechanism of gastric ulcer healing: A possible translation to the human peptic ulcer disease? 49
References 51
Chapter 3. Chemoprophylaxis in Inflammatory Bowel Disease 57
Abstract 57
Introduction 58
Potential Medical Therapies for Prevention of Colorectal Cancer in Inflammatory Bowel Disease 60
5-Aminosalicylates (5-ASA) 60
Thiopurines 62
Anti-tumor necrosis factor-α (anti-TNF-α) therapy 63
Ursodeoxycolic acid (UDCA) 64
Folate 65
Aspirin and NSAIDs 66
Corticosteroids 67
Calcium and vitamin D 67
Statins 68
Limitations of Current Evidence 69
Conclusion 69
References 70
Chapter 4. Targeting the Nuclear Receptor HNF4a as a Potential Therapy for Gut Inflammation and Cancer\r 77
Abstract 77
Introduction 78
Nuclear Receptors as Subtypes of Transcriptional Regulators 78
The nuclear receptor HNF4a 80
Structural characteristics of HNF4a 80
HNF4a consists of several isoforms 81
Cellular functions of HNF4a 84
HNF4a’s involvement in cancer 85
HNF4a and liver cancer 86
HNF4a and gastric cancer 86
HNF4a and colorectal cancer 87
Regulation of HNF4a activity 88
Concluding Remarks 89
References 90
Chapter 5. Established Therapies and New Therapeutic Strategies in Alcoholic Liver Disease\r 99
Abstract 99
Introduction 100
Natural History of ALD 101
Established Therapy in ALD 104
Abstinence 104
Abstinence for alcoholic fatty liver 104
Abstinence for alcoholic hepatitis 104
Abstinence for alcoholic liver cirrhosis 105
How to achieve abstinence 105
Therapy of AH 106
General measures 106
Hyperalimentation 107
Corticosteroids 108
N-Acetylcysteine 108
Liver transplantation 109
Therapy of alcoholic cirrhosis of the liver 110
New Therapeutic Approaches in ALD 110
Endotoxins and cytokines as therapeutic targets: Anti-inflammatory and anti-fibrotic strategies 111
Counteracting oxidative stress and cytochrome P4502E1 induction 114
Homocysteine, endoplasmic reticulum stress, and apoptosis: The use of betaine and antiapoptotic strategies 115
Hepatic cell regeneration: Induction of proliferation of hepatic progenitor cells, mesenchymal stem cell transplantation, and bone marrow transplantation granulocyte colony stimulating factor 117
Liver progenitor cells in AH: Stem cell transplantation therapy 118
Bone marrow transplantation 119
Summary and Conclusion 119
Acknowledgments 120
References 121
Section III Carcinogenesis and Therapeutic Targets in the Gastrointestinal Tract\r 129
Chapter 6. Targets of Tumor Epigenetics and Its Microenvironment in Gastrointestinal Cancer\r 131
Abstract 131
Introduction 132
Histone Modifications and Inflammation in Gastrointestinal Cancer Epigenetics 132
Epigenetics in cancer 133
DNA methylation 133
Histone modification 134
Epigenetic events in inflammation 134
Regulation of microRNA Profiles by Cytokines and Chemokines in Gastrointestinal Cancer 135
microRNA in general 135
microRNAs in gastrointestinal cancer 135
microRNA regulation by cytokines and chemokines 136
Targeting Epithelial–Mesenchymal Transition Attenuates Gastrointestinal Tumor Invasion and Metastasis 137
What is epithelial–mesenchymal transition? 137
Regulation of epithelial–mesenchymal transition in cancer cells 138
Tumor stroma and its epithelial–mesenchymal transition induction 138
Microenvironmental regulators of epithelial–mesenchymal transition 138
Epithelial–mesenchymal transition regulates inflammation in cancer 139
Epithelial–mesenchymal transition confers a cancer stem cell phenotype 139
Targets of epithelial–mesenchymal transition as a therapeutic strategy 140
Targeting Endoplasmic Reticulum Stress on the Tumor Unfolding Protein, Causing Apoptosis 141
Endoplasmic reticulum stress 141
Unfolding protein response pathway 141
Endoplasmic reticulum stress and gastrointestinal cancer 142
Endoplasmic reticulum stress signaling as a therapeutic target in clinical cancer research 142
References 144
Chapter 7. Esophageal Cancer: From Bench to Bedside 151
Abstract 151
Introduction 152
Regulation of Esophageal Development and Homeostasis 152
Esophageal development and its regulation 152
Maintenance of homeostasis of esophageal epithelium 155
Esophageal Carcinoma 156
Epidemiology of esophageal cancer 156
Metastasis of esophageal cancer 159
Proteins regulating metastasis of ESCC 160
Non-coding RNAs and metastasis of ESCC 161
Microenvironmental regulation of metastasis in ESCC 161
Esophageal cancer stem cells 163
Therapeutics in Metastatic Esophageal Cancer 164
References 167
Chapter 8. Angiogenesis and Lymphangiogenesis in Gastric MALT Lymphoma: Relation of VEGF and VASH2\r 177
Abstract 177
Introduction 177
Gastric MALT Lymphoma Induced by Helicobacter heilmannii Infection 178
Hypoxia and Angiogenesis in Gastric MALT Lymphoma 179
Lymphangiogenesis of Gastric MALT Lymphoma 181
VEGF and VEGF-R in Gastric MALT Lymphoma 181
Significance of VASH2 183
Effect of axitinib on VEGF and VASH2 185
References 186
Chapter 9. NF-κB as a Potential Molecular Target for Therapy of Gastrointestinal Cancers\r 189
Abstract 189
Introduction 189
Structure and function of NF-kB 190
NF-kB regulation 192
The role of NF-kB in cancer and its regulated genes in gastrointestinal (GI) tract cancer 194
The influence of inflammation on NF-kB dysregulation and cancer risk 195
NF-kB signaling in cancers 197
Therapeutics targeting NF-kB in GI cancers 199
Inflammation 200
Upstream regulators, TNF-α, and Akt 200
IKK/proteasome inhibitors 201
Conclusions 202
References 203
Chapter 10. Hypoxia-Inducible Factor-1a Modulation in Colorectal Carcinogenesis\r 213
Abstract 213
Introduction 214
HIF-1α Activation in Colorectal Cancer\r 214
HIF-1α and the Wnt pathway \r 216
HIF-1α and the MMR system \r 216
HIF-1α and Modifications of Cellular Metabolism \r 216
HIF-1a regulation of glycolysis 217
HIF-1a and oxidative phosphorylation 217
HIF-1a as Modulator of Inflammation 218
HIF-1a and mucosal protection 218
HIF-1a and promotion of inflammation 219
HIF-1a and Tumor Growth 220
HIF-1a and regulation of angiogenesis and metastasis 220
HIF-1a and clinicopathological features 221
HIF-1a as a Therapeutic Target 221
Targeting HIF-1a pathways in colorectal carcinoma 223
New strategies for HIF-1a targeting 223
Conclusions 224
References 225
Chapter 11. Therapeutic Approaches Targeting the Serrated Pathway of Colorectal Cancer Characterized by Mutation in the BRAF Gene and Overexpression of GTPase Rac1b\r 233
Abstract 233
Introduction 233
The Serrated Pathway to CRC 234
Molecular and morphological characteristics 234
Role of BRAF in colon cancer 236
Inflammation and BRAF-driven tumorigenesis 238
Role of Rac1b overexpression in BRAF-driven tumorigenesis 238
Therapeutic Targets for the Serrated Pathway to CRC 239
Targeting BRAF with kinase inhibitors 240
Combined therapeutic targeting of BRAF and EGFR 241
Combined therapeutic targeting of BRAF and MEK1 241
Other combination therapy strategies 243
Targeting CIMP 244
Targeting inflammation 244
Targeting Rac1b overexpression 245
Acknowledgments 247
References 248
Chapter 12. The “Yin” and “Yang” of Target-Oriented Anticancer \rPhytochemicals Derived from Herbal Medicines 257
Abstract 257
Introduction 258
Adverse Effects Resulting from the Use of Herbal Medicines or Phytochemical in Cancer Patients 259
Pharmacokinetic interaction involving CYP metabolizing enzymes 259
The herb–drug interaction via modulation of drug transporter expression 260
Approach to avoid potential risk of the herb–drug interaction 261
Quality control of herbal medicines 261
Awareness of the safety of herbal medicine 263
Beneficial Effects of Herbal Medicines or Phytochemicals in the Treatment of Cancer 264
Beneficial effects of TCM in cancer patients 265
Therapeutic effects of PHY906 in gastrointestinal cancers 265
Identification of potential anti-cancer herbal medicinal compounds: The experience in the past decade 266
Triptolide and pseudolaric acid B 266
Herbal isoprenoids 267
Licorice and isoliquiritigenin 268
Astragalus membranaceus and AST 270
Conclusion 274
References 275
Chapter 13. The Degradation System of Prostaglandin E2 in Gastrointestinal Cancer\r 281
Abstract 281
Introduction 282
Multidrug Resistance-Associated Protein 4 (MRP4) 282
Prostaglandin Transporter (PGT) 283
15-Hydroxyprostaglandin Dehydrogenase (15-PGDH) 284
Expression of 15-PGDH and PGT in Gastrointestinal Cancer and Its Significance 285
Biological Significance of Downregulation of 15-PGDH and PGT in Gastrointestinal Cancer 285
Regulation of PGT and 15-PGDH in Gastrointestinal Cancer 286
Epigenetic modulation 286
β-catenin \r 287
Epidermal growth factor receptor (EGFR) signaling 288
Transforming growth factor-β (TGF-β) signaling\r 288
Interleukin (IL)-1β\r 288
microRNAs 288
Perspectives 289
Acknowledgment 289
References 289
Chapter 14. Prostaglandin and Its Receptors: Potential Targets for Gastrointestinal Inflammation and Cancer\r 295
Abstract 295
Introduction 296
Cyclooxygenase (COX) metabolism 297
Roles of COX-2 in GI cancers 298
PGE2 signaling and its receptors 299
EP1 receptor 299
EP2 receptor 300
EP3 receptor 301
EP4 receptor 302
Conclusion and Future Direction 303
References 304
Section IV Autophagy and microRNAs as the Therapeutic Targets in Gastrointestinal Cancers\r 309
Chapter 15. Modulation of Autophagy as a Potential Therapeutic Target for Gastrointestinal Cancers: Promises and Uncertainties\r 311
Abstract 311
Introduction 312
Autophagy 312
Definition of autophagy 312
Molecular Basis of Autophagy 314
Functions of Autophagy 316
Autophagy and Cancer 316
Autophagy and tumorigenesis 316
Mechanisms of tumor suppression by autophagy 317
Autophagy and tumor progression 318
Mechanisms of tumor survival by autophagy 319
Autophagy and chemoresistance 319
Autophagy and cancer stem cells (CSCs) 320
Crosstalk between autophagy and apoptosis in cancer cells 321
Modes of crosstalk between autophagy and apoptosis in response to stress 321
Targeting Autophagy in GI Cancer 325
Preclinical studies 325
Cancer treatments that induce prosurvival autophagy 325
Cancer treatments that induce prodeath autophagy 329
Cancer treatments that inhibit autophagy 329
Clinical trials targeting autophagy in GI cancer 329
Limitations and Uncertainties of Autophagy Modulation in Cancer Therapy 331
Variation of autophagic response in different cancer context 331
Off-target effects of autophagy inhibition 332
Challenges of monitoring autophagic activity in vivo in patients 333
Uncertainty: The role of CQ in cancer treatment 333
Concluding Remarks 334
Acknowledgment 335
References 335
Chapter 16. microRNAs as Therapeutic Targets for Gastric Cancer 343
Abstract 343
Introduction 343
miRNAs Associated with Gastric Carcinogenesis 344
Helicobacter pylori 345
Epstein–Barr virus 347
miRNAs Associated with Refractory GC 347
miRNAs Involved in Metastatic Processes 349
Migration, invasion, and epithelial–mesenchymal transition 349
Tumor angiogenesis 353
Metastatic tumor formation using in vivo models 354
Future Perspectives 355
References 356
Chapter 17. microRNA-based Novel Therapeutic Development in Gastrointestinal Cancer\r 365
Abstract 365
Introduction 366
Significant Functions of miRNA in Gastrointestinal (GI) Cancers 368
OncomiRs 368
Tumor suppressor miRNAs 370
Therapeutic potential of miRNA: Therapeutics 371
Therapeutic potential of miRNA: Biomarkers 377
Conclusion 380
Acknowledgments 380
References 380
Chapter 18. Unraveling the Relationship between Autophagy and microRNA in Gastrointestinal Cancer\r 387
Abstract 387
Introduction 388
miRNAs Regulate Autophagy 390
The Relationship Between Autophagy and miRNAs in GC 392
miRNAs downregulate autophagy in GC cancer 392
miR-23b-3p: ATG12 and HMGB2 392
miR-143: ATG8 398
miR-181a: ATG5 398
miR-19a/b, miR-21, miR-106a: PTEN/PI3K/Akt 399
miR-15b and miR-16: Bcl-2 399
miR-30: BECN1 400
The Relationship Between Autophagy and miRNAs in Colorectal Cancer 400
miRNAs upregulate autophagy in CRC 400
miR-210: Bcl-2 400
miR-18a: ATM 401
miR-18a: hnRNP A1 E2 402
miRNAs downregulate autophagy in CRC 403
miR-502: Rab1B 403
miR-22: PTEN 403
miR-22: BTG1 403
miR-106b: ATG16L1 404
miRNA profiling in CRC during 5-FU-induced autophagy 404
The Relationship Between Autophagy and miRNAs in Pancreatic Cancer 405
miRNAs downregulate autophagy in pancreatic cancer 405
miR-23b: ATG12 405
miR-216a: BECN1 406
The Relationship Between Autophagy and miRNAs in HCC 406
miRNAs upregulate autophagy in HCC 406
miR-100: IGF-1R, mTOR 406
miR-423-5p: ATG7 408
miRNAs downregulate autophagy in HCC 408
miR-375: ATG7 408
miR-199a-5p: ATG7 409
miR-101: RAB5A, STMN1, ATG4D, and mTOR 409
miR-101: EZH2 410
miR-17: ULK1, ATG7, and p62 411
miR-20a: ULK1 and p62 411
miR-30a: BECN1 411
Autophagy downregulates miR-224 412
miRNAs Regulate the Crosstalk Between Autophagy and Apoptosis in Gastrointestinal Cancer 413
Conclusion 413
References 415
Index 421