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The AP-1 transcription factor has been shown to play numerous roles in cell growth and proliferation. In particular, c-Fos and c-Jun seem to be major players in these processes. C-jun has been shown to be essential for fibroblast proliferation, [ 13 ] and levels of both AP-1 subunits have been shown to be expressed above basal levels during ...
In cell biology, there are a multitude of signalling pathways. Cell signalling is part of the molecular biology system that controls and coordinates the actions of cells. Akt/PKB signalling pathway; AMPK signalling pathway; cAMP-dependent pathway; Eph/ephrin signalling pathway; Hedgehog signalling pathway; Hippo signalling pathway
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.
Signaling proteins give cells information to make the embryo develop properly. When the pathway malfunctions, it can result in diseases like basal cell carcinoma. [3] Recent studies point to the role of hedgehog signaling in regulating adult stem cells involved in maintenance and regeneration of adult tissues.
Transforming growth factor-β (TGF-β) is a superfamily of cytokines that play a significant upstream role in regulating of morphogenesis, homeostasis, cell proliferation, and differentiation. [2] The significance of TGF-β is apparent with the human diseases that occur when TGF-β processes are disrupted, such as cancer, and skeletal ...
Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
The alpha subunit, now free to move along the inner membrane, eventually contacts another cell surface receptor - the "primary effector." [citation needed] The primary effector then has an action, which creates a signal that can diffuse within the cell. This signal is called the "second (or secondary) messenger."
ITAMs are important for signal transduction, mainly in immune cells. They are found in the cytoplasmic tails of non-catalytic tyrosine-phosphorylated receptors [7] such as the CD3 and ζ-chains of the T cell receptor complex, the CD79-alpha and -beta chains of the B cell receptor complex, and certain Fc receptors.