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Notch signalling: sensor and instructor of the microenvironment to coordinate cell fate and organ morphogenesis.

08:00 EDT 16th July 2019 | BioPortfolio

Summary of "Notch signalling: sensor and instructor of the microenvironment to coordinate cell fate and organ morphogenesis."

During development, stem cells give rise to specialised cell types in a tightly regulated, spatiotemporal manner to drive the formation of complex three-dimensional tissues. While mechanistic insights into the gene regulatory pathways that guide cell fate choices are emerging, how morphogenetic changes are coordinated with cell fate specification remains a fundamental question in organogenesis and adult tissue homeostasis. The requirement of cell contacts for Notch signalling makes it a central pathway capable of linking dynamic cellular rearrangements during tissue morphogenesis with stem cell function. Here, we highlight recent studies that support a critical role for the Notch pathway in translating microenvironmental cues into cell fate decisions, guiding the development of diverse organ systems.

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This article was published in the following journal.

Name: Current opinion in cell biology
ISSN: 1879-0410
Pages: 16-23

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Medical and Biotech [MESH] Definitions

A notch receptor and proto-oncogene protein characterized by a large extracellular domain that consists of 29 EPIDERMAL GROWTH FACTOR - like repeat sequences (EGF repeats) and five ANKYRIN REPEATS. It functions as a receptor for SERRATE-JAGGED PROTEINS and Delta1 (DLK1) protein to control cell fate determination.

A notch receptor that plays an important role in CELL DIFFERENTIATION in a variety of cell types. It is the preferentially expressed notch receptor in mature B-LYMPHOCYTES.

A notch receptor characterized by a large extracellular domain containing 34 EPIDERMAL GROWTH FACTOR-like repeats. It functions to regulate CELL DIFFERENTIATION; APOPTOSIS; and CELL PROLIFERATION. Mutations in the EGF repeats of Notch-3 are associated with CADASIL.

A family of conserved cell surface receptors that contain EPIDERMAL GROWTH FACTOR repeats in their extracellular domain and ANKYRIN repeats in their cytoplasmic domains. The cytoplasmic domain of notch receptors is released upon ligand binding and translocates to the CELL NUCLEUS where it acts as transcription factor.

Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands.

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