<p>Part I Epidemiology.- 1 Prevalence and Transmission Routes of H. pylori.- Part II Pathophysiology.- 2 Gastric Colonization by H. pylori.- 3 Immunological Reactions on H. pylori Infection.- 4 Change of Acid Secretions, Ghrelin and Leptin, by H. pylori.- 5 H. pylori Virulence Factors: Toxins (CagA, VacA, DupA, OipA, IceA).- 6 H. pylori Virulence Factors: Genetic Polymorphism and Disease.- 7 Host Factor: Genetic Polymorphism.- Part III Diagnosis.- 8 Serology.- 9 Histopathologic Diagnosis of H. pylori Infection and Associated Gastric Diseases.- 10 Culture.- 11 Urea Breath Test.- 12 H. pylori Stool Antigen Test.- 13 Specific Conditions: Children.- 14 Specific Conditions: Diagnosis of H. pylori Infection in Case of Upper Gastrointestinal Bleeding.- Part IV Symptom.- 15 Symptoms of Acute and Chronic H. pylori Infection.- Part V Disease.- 16 Synopsis of H. pylori-Associated Diseases.- 17 Atrophic Gastritis and Intestinal Metaplasia.- 18 Functional Dyspepsia.- 19 Peptic Ulcer.- 20 Gastric Extranodal Marginal Zone B-Cell Lymphoma of MALT.- 21 Gastric Cancer: Synopsis and Epidemiology of Gastric Cancer.- 22 Gastric Cancer: Genetic Alternations Induced by H. pylori Infection: The Role of Activation- Induced Cytidine Deaminase.- 23 Gastric Cancer: Epigenetic Mechanisms: Aberrant DNA Methylation and Dysregulation of MicroRNA.- 24 Gastric Cancer: H. pylori and Macrophage Migration Inhibitory Factor.- 25 Gastric Cancer: Epithelial Mesenchymal Transition.- 26 Gastric Cancer: ABO Blood Type.- 27 Gastric Cancer: First Relatives of Gastric Cancer.- 28 H. pylori Infection-Negative Gastric Cancer.- 29 Gastroesophageal Reflux Disease.- 30 NSAID-Induced Gastropathy and H. pylori Infection.- 31 Extraintestinal Manifestations of H. pylori Infection: H. pylori- Associated Iron-Deficiency Anemia.- 32 Extraintestinal Manifestations of H. pylori Infection: Idiopathic Thrombocytopenic Purpura.- 33 Extraintestinal Manifestations of H. pylori Infection: Heart Disease.- 34 Extraintestinal Manifestations of H. pylori Infection: Asthma and Allergic Disorders.- Part VI Antibiotic Resistance.- 35 Synopsis of Antimicrobial Resistance.- 36 Clarithromycin.- 37 Amoxicillin.- 38 Fluoroquinolone.- 39 Metronidazole.- Part VII Treatment.- 40 Synopsis of Antibiotic Treatment.- 41 Triple Therapy.- 42 Quadruple Therapy.- 43 Sequential Therapy.- 44 Concomitant Therapy and Hybrid Therapy.- 45 Tailored Therapy Based on Antibiotic Resistance.- 46 Levofloxacin/Moxifloxacin or Rifabutin-Based Triple Therapy.- 47 Probiotics.- 48 Treatment Guidelines.- 49 Gastric Cancer Screening.- 50 Recrudescence and Reinfection After H. pylori Eradication Treatment.- Part VIII Consequences of H. pylori Eradication.- 51 Peptic Ulcer Disease.- 52 Atrophic Gastritis and Intestinal Metaplasia.- 53 Gastric Cancer.- 54 Extraintestinal Manifestations Depending on Sex and Age.- Part IX The Effect of H. pylori Infection and its Eradication on the Gastric Microbiota.- 55 The Effect of H. pylori Infection on theGastric Microbiota.- 56 The Effect of H. pylori Eradication on the Gastric Microbiota.- Part X Animal Model.- 57 Animal Models of H. pylori Infection.<br></p>