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This dissertation by Caroline Bivik Stadler explores the genetic pathways involved in the development of the central nervous system (CNS), using Drosophila as a model organism. The research focuses on the role of the Notch signaling pathway in regulating the proliferation of neural daughter cells. The study identifies key genes and pathways controlling the differentiation and proliferation of neural progenitors, with implications for understanding similar processes in mammals. The findings contribute to the broader knowledge of developmental neurobiology and may inform potential therapeutic strategies for neurological disorders. The intended audience includes researchers and students in developmental biology and neurogenetics.

Neurogenetics. --- Notch proteins.

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Materials --- Notch tests --- Calibrating --- Fatigue.

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The formation of a complex multicellular organism from a single cell is one of the most amazing processes of biology. Embryonic development is characterised by the careful regulation of cellular behaviours such that cells proliferate, migrate, differentiate and form tissues at the correct place and time. These processes are genetically controlled and depend both on the history of cells, their lineage, and on the activities of signalling pathways, which coordinate the cell interactions leading to organogenesis. The aim of the Frontiers research topic “Signalling pathways in embryonic development” has been to provide a forum for experts in cell and developmental biology to share recent advances in the field of signalling during embryonic development. Sixteen articles in a variety of formats are united in this Topic, offering a valuable collection for researchers looking for an update in the knowledge of signalling pathways operating during embryogenesis. The works, focused mainly on vertebrates, explore different aspects of this theme from cell communication to organ formation and have implications for areas as distant as evolution or pathology. Understanding developmental signalling pathways is important for several reasons. It gives us information about basic mechanisms of cell function and interactions needed for morphogenesis and organogenesis. It uncovers the basis of congenital malformations, since errors at any step of cell signalling during development are a major cause of defects. This fundamental insight gives us clues to understand the mechanisms operating in evolution that explain diversity in form and function. And finally, it allows the identification of possible causes of disease in the adult organism (such as cancer or degenerative diseases) pinpointing possible targets for therapeutic approaches.

development --- Shh --- Fgf --- Notch --- embryo --- Signalling --- organogenesis --- Wnt --- development --- Shh --- Fgf --- Notch --- embryo --- Signalling --- organogenesis --- Wnt

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The formation of a complex multicellular organism from a single cell is one of the most amazing processes of biology. Embryonic development is characterised by the careful regulation of cellular behaviours such that cells proliferate, migrate, differentiate and form tissues at the correct place and time. These processes are genetically controlled and depend both on the history of cells, their lineage, and on the activities of signalling pathways, which coordinate the cell interactions leading to organogenesis. The aim of the Frontiers research topic “Signalling pathways in embryonic development” has been to provide a forum for experts in cell and developmental biology to share recent advances in the field of signalling during embryonic development. Sixteen articles in a variety of formats are united in this Topic, offering a valuable collection for researchers looking for an update in the knowledge of signalling pathways operating during embryogenesis. The works, focused mainly on vertebrates, explore different aspects of this theme from cell communication to organ formation and have implications for areas as distant as evolution or pathology. Understanding developmental signalling pathways is important for several reasons. It gives us information about basic mechanisms of cell function and interactions needed for morphogenesis and organogenesis. It uncovers the basis of congenital malformations, since errors at any step of cell signalling during development are a major cause of defects. This fundamental insight gives us clues to understand the mechanisms operating in evolution that explain diversity in form and function. And finally, it allows the identification of possible causes of disease in the adult organism (such as cancer or degenerative diseases) pinpointing possible targets for therapeutic approaches.

development --- Shh --- Fgf --- Notch --- embryo --- Signalling --- organogenesis --- Wnt

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This book covers the broad area related to Notch-mediated regulation of the immune system and tumorigenesis. Notch signaling was originally identified as a crucial pathway to regulate cell fate choice. Subsequent studies, however, have revealed that Notch regulates many steps of immune cell differentiation or development as well as tumorigenesis of cells. Although there are still many controversial issues regarding the functions or regulatory mechanism of Notch, it is important to summarize all data together in one volume to help facilitate this research area. Also, the studies regarding the functions of Notch in immune cells and tumor cells have motivated researchers and pharmaceutical companies to develop drugs for treating immune-mediated diseases and tumors. Therefore, this book covering the broad area of Notch in immunology and tumorigenesis will be attractive to many researchers including faculty members and postdoctoral fellows in academia and researchers in the pharmaceutical industry.

Notch proteins. --- Medicine. --- Cancer research. --- Immunology. --- Biomedicine. --- Cancer Research. --- Membrane proteins --- Notch genes --- Oncology. --- Tumors --- Immunobiology --- Life sciences --- Serology --- Cancer research