174 Index value, 73 Bifurcation Analysis, 65 Bifurcation Parameter choice of, 69 Bifurcation Value definition of, 66 Bio-Model, 21 Bio-model, 7 Biol<strong>og</strong>ical System, 133 CD4 + , 8 CD8 + , 8 Chaos, 59 Characteristic Polynomial, 50, 66, 94 Closed Orbit, 66 Codimension of bifurcation, 65 Compact Subset, 59 Compartment Model, 21 Marée et al. (2006), 23 arrow fully drawn, 23 stippled, 23 discussion of, 28 apoptotic wave, 28 crowding terms, 28 Efflux, 22 inflow, 21 Influx, 22 Mathematical Modelling, 21 outflow, 22 Competition Lotka-Volterra model of, 26 active versus inactive macrophages, 26 modelling of, 26 Continuous De<strong>for</strong>mation, 59 Cooperativity, 35 Copenhagen Model, 2 CPH Model, 21, 45 is quantitatively incorrect, 54 Crowding Effect, 26 Crowding Rate, 25 Cytokine, 10, 45 and necrosis, 10 and proliferation, 10 cytotoxic, 19 Cytotoxicity, 10 Deactivation Step, 38 Dendritic Cell, 15, 18 Dendritic Cell (DC), 9 Determinant expansion of, 50 Diabetes, 1 etiol<strong>og</strong>y of, 7 subtype of, 11 DuCa Model, 19, 21, 46 expanding the, 105 Model A, 106, 108 Model B, 110 validating, 117 maximal interval of existence, 132 parameters, 27 uniqueness of solutions to, 132 with cMa limit cycle, 42 phase space, 42 solution curve of, 42 Efflux of active macrophages, 40, 41 of macrophages, 25 Eigendirection, 79 Eigenspace, 59 Eigenvalue, 70, 94 complex, 66, 75, 76 Eigenvector, 59, 67, 79, 94 Environmental Factors, 1 Enzyme, 35 Error-Tolerance, 70 Etiol<strong>og</strong>y, 1, 2, 13 Euler’s Formula, 67 Existence and Uniqueness Theorem, 25, 131 Feedback Loop, 19 Fixed Point, 54 and chronic inflammation, 97 definition, 48 nontrivial, 97 unstable, 97 Flow on the circle, 87
Gastrin, 14, 15 Global Bifurcation, 71, 83 GLP-1, 121 anti-apoptosis, 14 Glucagon-Like Peptide 1 (GLP-1), 2, 14 Glutamic Acid Decarboxylase (GAD), 8 Growth Rate, 133 Hartman-Grobman’s Theorem, 59, 132 Healthy β-Cells linear depletion of, 106 simulation of, 108 Healthy Rest State(HRS), 75 Heteroclinic Orbit, 83 figure 8.7, 83 Hill Function, 34 Hill function, 26 Homeomorphism, 59 Homeostasis, 7 Hopf Bifurcation, 71 degenerate, 68 on the USBf1-NOD, 77 point, 75 subcritical, 87 supercritical, 68 value, 87 Hopf Bifurcation Theorem, 77 Hyperbolic, 59 Hyperglycemia, 1, 7 Hyp<strong>og</strong>lycemia, 2 Hysteresis, 69, 87 IDDM, 1, 2 IM including crowding terms flow equivalence to the DuCa, 81 Immune System Adaptive, 15 Implicit Function Theorem, 55, 132 Incretin Concept, 2, 8 Inflammation upper bound of, 81 Influx of macrophages, 25 Initial Condition, 66 Insulin, 1 first bolus of, 1 175 Insulin Dependent Diabetes Mellitus (IDDM), 1 Insulitis, 9, 106 Interferon (IFN), 10 Interleukin (IL) 1, 10, 120 2, 10 Intermediate Model (IM), 21 Irreversible Model NOD phagocytosis, 40 phase space M versus Ma, 42 Islet of Langerhans, 7, 9 Jacobian, 50, 59, 71 and general solution of ODE, 66 in Newton-Raphson, 70 La Barre, 2 Limit Cycle, 67, 77 detection of, 77 semi-stable, 43 Linear Differential Equation general solution of, 67 Lipschitz, 131 Lipschitz Continuity, 131 Lower Unstable Branch (LUB) NODf2, 90 NODf1 , 75 Macrophage, 9, 18 volume of, 99 Manifold, 59 stable, 94 stable, 79 NODf1-USB, 76 unstable, 79 of the NODf1-LUB, 83 of the NODf1-USB, 83 Mass Action Kinetics, 30 Mathematical Model, 16 Mathematical Modelling, 17 and etiol<strong>og</strong>y of T1D, 2 and medical sciences, 17 construction of, 17 GLP-1, 15 guidelines, 17
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- I, OM OG MED MATEMATIK OG FYSIK E
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Exploring Treatment Strategies for
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Preface iii questions that were out
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vi Contents Significance of the Apo
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List of Tables 5.1 summarizes the m
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x List of Figures 8.3 Phase space p
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xii
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2 Introduction In the following dec
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4 Introduction There are several sc
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6 Introduction because I had to mak
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8 Type 1 Diabetes and Its Etiology
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10 Type 1 Diabetes and Its Etiology
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3 Prospects for Therapy - A Mini Re
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3.3 Gastrin 15 eration in situ Urus
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4 Mathematical Modelling The langua
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5 The DuCa Model In the following w
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5.3 The DuCa Model - An Appetiser 2
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5.4 The DuCa Model - Compartment Mo
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5.6 Our Compartment Model 29 migrat
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5.7 Discussion of Marée et al. (20
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5.8 Discussion of Parameters 37 Fig
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5.8 Discussion of Parameters 39 Par
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46 The Intermediated Model The diff
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48 The Intermediated Model expected
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50 The Intermediated Model Stabilit
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54 The Intermediated Model We see t
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56 The Intermediated Model paramete
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58 The Intermediated Model ✻ Ma(t
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60 The Intermediated Model 6.2 The
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62 The Intermediated Model ✻ Ma(t
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7 A Brief Introduction to Bifurcati
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7.2 The Hopf bifurcation 67 the gen
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7.3 Biological Relevance of Bifurca
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74 Bifurcation Diagrams and Analysi
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96 Bifurcation Diagrams and Analysi
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98 Discussion of the Bifurcation An
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100 Discussion of the Bifurcation A
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106 Expanding and Modifying the DuC
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108 Expanding and Modifying the DuC
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110 Expanding and Modifying the DuC
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112 Expanding and Modifying the DuC
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114 Expanding and Modifying the DuC
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116 Expanding and Modifying the DuC
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118 Discussion of the Expanded Mode
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120 Discussion of the Expanded Mode
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