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  2. Cyclin-dependent kinase 4 - Wikipedia

    en.wikipedia.org/wiki/Cyclin-dependent_kinase_4

    Cyclin-dependent kinase 4 (CDK4), also known as cell division protein kinase 4, is an enzyme that is encoded by the CDK4 gene in humans. CDK4 is a member of the cyclin-dependent kinase family, a group of serine/threonine kinases which regulate the cell cycle. [ 4 ]

  3. Biochemical cascade - Wikipedia

    en.wikipedia.org/wiki/Biochemical_cascade

    The basic unit of the Reactome database is a reaction; reactions are then grouped into causal chains to form pathways [115] The Reactome data model allows us to represent many diverse processes in the human system, including the pathways of intermediary metabolism, regulatory pathways, and signal transduction, and high-level processes, such as ...

  4. Upstream and downstream (transduction) - Wikipedia

    en.wikipedia.org/wiki/Upstream_and_downstream...

    The upstream signaling pathway is triggered by the binding of a signaling molecule, a ligand, to a receiving molecule, a receptor. Receptors and ligands exist in many different forms, and only recognize/bond to particular molecules. Upstream extracellular signaling transduce a variety of intracellular cascades. [1]

  5. Phosphorylation cascade - Wikipedia

    en.wikipedia.org/wiki/Phosphorylation_cascade

    The end product of a phosphorylation cascade is the changes occurring inside the cell. One best example that explains this phenomenon is mitogen-activated protein (MAP) kinase or ERK kinase . [ 1 ] MAP kinase not only plays an important function during growth of cell in the M phase phosphorylation cascade but also plays an important role during ...

  6. Cell signaling - Wikipedia

    en.wikipedia.org/wiki/Cell_signaling

    In biology, cell signaling (cell signalling in British English) is the process by which a cell interacts with itself, other cells, and the environment. Cell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes. Typically, the signaling process involves three components: the signal, the receptor, and the effector.

  7. E2F - Wikipedia

    en.wikipedia.org/wiki/E2F

    Overview of signal transduction pathways involved in apoptosis. E2F family members play a major role during the G1/S transition in mammalian and plant cell cycle (see KEGG cell cycle pathway). DNA microarray analysis reveals unique sets of target promoters among E2F family members suggesting that each protein has a unique role in the cell cycle ...

  8. Cell division control protein 4 - Wikipedia

    en.wikipedia.org/.../Cell_division_control_protein_4

    Due to its involvement in degradation of various cell cycle regulators, as well as several compounds of signaling pathways (e.g. Notch), Cdc4 is a highly sensible component of every organism in which it functions. The cdc4 gene is a haplo-insufficient tumor suppressor gene. Knock-out of this gene in mice leads to an embryonic lethal phenotype ...

  9. G1/S transition - Wikipedia

    en.wikipedia.org/wiki/G1/S_transition

    Depiction of regulation at the G1/S transition point in cell cycle progression Cell cycle Signal transduction pathways influencing gene regulation and cellular proliferation. The G1/S transition is a stage in the cell cycle at the boundary between the G1 phase, in which the cell grows, and the S phase, during which DNA is replicated. [1]

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