1 MACROPHAGE PATTERN RECOGNITION RECEPTORS IN IMMUNITY,
HOMEOSTASIS AND SELF TOLERANCE ............................... 1
Subhankar Mukhopadhyay, Annette Plüddemann and Siamon
Gordon
Abstract ........................................................ 1
Introduction .................................................... 1
The Scavenger Receptor Family ................................... 3
Class A Scavenger Receptors ..................................... 4
SR-A(SR-Ami) .................................................... 4
MARCO ........................................................... 5
SRCL-I/CLP-1 .................................................... 5
C-Type Lectin Receptors ......................................... 6
C-Type Lectins with a Single CRD ................................ 7
C-Type Lectins with Multiple CRDs ............................... 7
NK-Like C-Type Lectin-Like Receptors ........................... 10
Self Tolerance in Innate Immunity .............................. 10
Conclusion ..................................................... 11
2 PATTERN RECOGNITION BY TOLL-LIKE RECEPTORS ..................... 15
Stefan Bauer, Thomas Müller and Svetlana Hamm
Abstract ....................................................... 15
Introduction ................................................... 15
Toll-Like Receptors and Their Ligands .......................... 15
Bacterial Recognition by TLRs .................................. 16
Viral Recognition by TLRs ...................................... 18
Recognition of Fungi and Protozoan Parasites by TLRs ........... 19
Cellular Localization of TLRs .................................. 20
Recognition of Endogenous Ligands by TLRs and Involvement in
Autoimmunity ................................................... 20
TLR Signaling .................................................. 23
Interferon Production by TLRs .................................. 24
TLR Structure .................................................. 25
TLR Expression in Cells of the Adaptive Immune System .......... 26
Conclusion ..................................................... 27
3 NOD-LIKE RECEPTORS—PIVOTAL GUARDIANS OF THE IMMUNOLOGICAL
INTEGRITY OF BARRIER ORGANS .................................... 35
Philip Rosenstiel and Stefan Schreiber
Abstract ....................................................... 35
Introduction ................................................... 35
NOD-Like Receptors—Phylogenetically Ancient Molecular
Platforms of the Innate Immune System .......................... 36
Modular Domain Structure ....................................... 37
NLRs and the Recent Rise of Barrier Diseases ................... 40
Plasticity of NLR Function ..................................... 42
Conclusion ..................................................... 44
4 TOLL-LIKE RECEPTORS AND NOD-LIKE RECEPTORS: DOMAIN
ARCHITECTURE AND CELLULAR SIGNALLING ........................... 48
Tanja Langefeld, Walid Mohamed, Rohit Ghai and Trinad
Chakraborty
Abstract ....................................................... 48
Introduction ................................................... 48
Toll-Like Receptors ............................................ 48
Myd88 Dependent TLR Signalling ................................. 52
Myd88 Independent TLR Signalling ............................... 53
Nod-Like Receptors ............................................. 53
Conclusion ..................................................... 55
5 HUMORAL PATTERN RECOGNITION MOLECULES: MANNAN-BINDING LECTIN
AND FICOLINS ................................................... 58
Steffen Thiel and Mihaela Gadjeva
Abstract ....................................................... 58
Introduction ................................................... 58
Biochemistry ................................................... 59
Biology ........................................................ 63
Conclusion ..................................................... 68
6 LUNG SURFACTANT PROTEINS A AND D AS PATTERN RECOGNITION
PROTEINS ....................................................... 74
Patrick Waters, Mudit Vaid, Uday Kishore and Taruna Madan
Abstract ....................................................... 74
Introduction ................................................... 74
Collectin Structure Overview ................................... 75
N-Terminal Region .............................................. 75
Collagen Region ................................................ 75
Neck Region .................................................... 77
Carbohydrate Recognition Domain (CRD) .......................... 77
SP-A and SP-D Bind Lipid via Their CRDs ........................ 80
Calcium Ions Are Required for CRD Function ..................... 80
Factors Affecting Interaction with Polysaccharides ............. 80
Directing the Immune Response .................................. 82
Specific Examples of SP-A and SP-D as PRRs ..................... 82
Fungus and Yeast ............................................... 86
Viruses ........................................................ 87
SP-A and SP-D in Protection against Allergens and Pulmonary
Hypersensitivity ............................................... 88
Phenotype and Susceptibility of SP-A and SP-D Gene Deficient
Mice ........................................................... 89
Conclusion ..................................................... 91
7 PATTERN RECOGNITION BY PENTRAXINS .............................. 98
Alok Agrawal, Prem Prakash Singh, Barbara Bottazzi, Cecilia
Garlanda and Alberto Mantovani
Abstract ....................................................... 98
Pentraxins ..................................................... 98
Short Pentraxins: CRP and SAP .................................. 99
Long Pentraxin: PTX3 .......................................... 103
Conclusion .................................................... 107
8 TARGET PATTERN RECOGNITION BY COMPLEMENT PROTEINS OF THE
CLASSICAL AND ALTERNATIVE PATHWAYS ............................ 117
Yu-Hoi Kang, Lee Aim Tan, Maria V. Carroll, Madeleine E.
Gentle and Robert B. Sim
Abstract ...................................................... 117
The Complement System ......................................... 117
Clq and C1 Structure .......................................... 118
Biosynthesis of Сlq ........................................... 118
Target Recognition by C1q ..................................... 120
Structural Basis of Clq Binding to Targets .................... 122
C1q Receptors ................................................. 123
C1q across the Animal Kingdom ................................. 124
Properdin and the Alternative Pathway ......................... 124
9 PATTERN RECOGNITION IN PHAGOCYTIC CLEARANCE OF ALTERED SELF ... 129
Yoshinobu Nakanishi, Peter M. Henson and Akiko Shiratsuchi
Abstract ...................................................... 129
Roles and Mechanisms of Phagocytosis .......................... 129
Recognition of Altered Self by Phagocytes ..................... 132
Consequences of Phagocytic Clearance of Apoptotic Cells ....... 137
Fate of Necrotic Cells or Cells Dying by Other Modes .......... 137
Conclusion .................................................... 138
10 STRUCTURAL BASIS OF PATTERN RECOGNITION BY INNATE IMMUNE
MOLECULES ..................................................... 139
Eamon P. McGreal
Abstract ...................................................... 139
Introduction .................................................. 139
Molecules Containing Leucine Rich Repeats (LRRs) .............. 140
Carbohydrate Recognition by C-Type Lectin and C-Type Lectin-
Like Molecules ................................................ 147
Emerging Innate Immune Pattern Recognition Molecules .......... 151
Conclusion .................................................... 155
11 LESSONS FROM THE FLY: PATTERN RECOGNITION IN
DROSOPHILA MELANOGASTER ....................................... 162
Subhamoy Pal and Louisa P. Wu
Introduction .................................................. 162
The Immune Response in the Fly ................................ 163
The Pattern Recognition Receptors ............................. 164
Conclusion .................................................... 171
12 IMMUNE RECOGNITION OF PLASMODIUM-INFECTED ERYTHROCYTES ........ 175
Damien V. Cordery and Britta C. Urban
Malaria ....................................................... 175
Clinical Immunity to P. falciparum Infection .................. 175
Involvement of Pattern Recognition Receptors in Plasmodium
Infection ..................................................... 177
Recognition of Plasmodium-iRBCs by Toll-Like Receptors ........ 178
Recognition of Plasmodium-iRBCs by Scavenger Receptors ........ 179
Conclusion .................................................... 179
13 INNATE IMMUNE RECOGNITION IN TUBERCULOSIS INFECTION ........... 185
Anthony G. Tsolaki
Abstract ...................................................... 185
Introduction .................................................. 185
Receptor-Mediated Phagocytosis of M. tuberculosis ............. 186
Complement Receptors .......................................... 186
Mannose Receptors ............................................. 186
Scavenger Receptors ........................................... 187
Survival of M. tuberculosis inside the Phagosome .............. 188
Immune Recognition of M. tuberculosis ......................... 189
Cytokines Induced in Response to M. tuberculosis Infection .... 191
Conclusion .................................................... 194
INDEX ............................................................ 199
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