The Biochemistry of Cell Signalling by Ernst Helmreich

The Biochemistry of Cell Signalling

byErnst Helmreich

Paperback | July 1, 2001

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The Biochemistry of Cell Signalling deals in depth with the principles of cell signalling, concentrating on structure and mechanism. It will serve as a reliable map through the maze of cell signalling pathways and help the reader understand how malfunctions in these pathways can lead todisease. The book is divided into four parts. Part 1 describes the machinery of signal transduction starting with the properties of signals, receptors (including receptor activation), regulators, and the molecules that link receptor and regulator. The design of signalling cascades is explained bydescribing central signalling pathways: the Ras-regulated MAPK and PI-3 pathways; the Rho/Rac/Cdc 42 pathway controlling chemotaxis and regulating the cytoskeleton; the G protein coupled receptor cascades in response to sensory and hormonal signals; signalling by TGF-ss in morphogenesis; cytokinesignalling that controls haemopoiesis. There is also a discussion of the insulin response. As phosphorylation - dephosphorylation is involved in nearly all cellular regulatory processes, Part 1 concludes with a synopsis of its role in signalling. Part 2 describes the implementation of the signallingcascades focusing on the effect on gene transcription. After a brief description of the transcriptional machinery the regulation of transcription by cytokines and growth factors in the control of cell growth and the mechanisms and sites of control are discussed in detail. The regulators discussedinclude Jun/Fos, NF-AT, SREBPs, and STATs. The next two chapters cover gene regulation by nuclear receptors, including both the steroid hormone receptors and non-steroid nuclear receptors e.g. the retinoic acid receptors RAR and RXR. Part 3 studies the global cellular regulatory programs for thecontrol of cell growth and proliferation. The first chapter concerns the regulation of the cell cycle and the role of the cyclin-dependent kinases, telomerase, Ran, and cell cycle checkpoints. The next topic is the signalling pathways in apoptosis: the TNF-receptor family death receptors, caspases,and the intracellular apoptosis signals and the role of apoptosis in the lifecycle of cells. Part 3 ends with a discussion of the signal pathways involved in the immune response, focusing on the involvement of cell-cell interactions. Part 4 considers loss of regulatory control and its consequenceswith respect to the molecular basis of cancer. It first describes the cellular regulatory proteins that have oncogenic potential, how they can become oncogenic and cause the transformation of normal cells to cancerous cells. Next is an analysis of the loss of developmental controls, the APC protein,ss-catenin, and the Wnt pathway, that lead to mature terminally differentiated cells reverting to immature embryonic cells. The book ends with a summary of the molecular and cellular causes of cancer and an outlook for novel therapies. Throughout the text, the emphasis is on structure and mechanismand is well illustrated with 200 figures. The Biochemistry of Cell Signalling will be an invaluable companion to all graduate students studying cell signalling.

About The Author

Ernst Helmreich is at Julius-Maximileians University of Wurzburg.

Details & Specs

Title:The Biochemistry of Cell SignallingFormat:PaperbackDimensions:352 pages, 9.45 × 6.61 × 0.79 inPublished:July 1, 2001Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0198508204

ISBN - 13:9780198508205

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Table of Contents

AbbreviationsPart 1: The Machinery of Signal Transduction1. Molecular basis of signal transduction2. Activation of receptors by oligomerization3. Components of signalling networks: linkers and regulators4. Signal transduction pathways through small monomeric G proteins5. Signal transduction pathways through heterotrimeric G proteins: transmission of hormonal and sensory signals6. Signal transduction pathways controlling morphogensis and haematopoiesis7. Control of signalling by phosphorylation and dephosphorylation8. Regulation by a hormone: the insulin responsePart 2: Cell Signalling and Gene Transcription9. Machinery of gene transcription10. Regulation of gene transcription by growth factors and cytokines11. Regulation of gene transcription by hormonesPart 3: Global Cell Regulatory Programmes12. Regulation of the cell cycle13. Regulation of cell death14. Regulation of the immune responsePart 4: Loss of the Regulatory Control and its Consequences15. Transformation of normal cells to tumour cells16. Loss of developmental controls in cancer17. The causes of cancerGlossaryIndex