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Related Concept Videos

MAPK Signaling Cascades01:07

MAPK Signaling Cascades

Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Calmodulin-dependent Signaling01:16

Calmodulin-dependent Signaling

Calmodulin (CaM) is a calcium-binding protein in eukaryotes that controls various calcium-regulated cellular processes. It has four calcium-binding sites that bind calcium to form the calcium-calmodulin ( Ca2+-CaM) complex. GPCR stimulation increases the calcium levels in the cells that bind to CaM and induces a conformational change.
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...

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Related Experiment Video

Updated: May 11, 2026

Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development
09:32

Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development

Published on: June 15, 2017

Scaling the MAPK signaling threshold during CNS patterning.

Charlotte Plestant1, E S Anton

  • 1Neuroscience Center and the Department of Cell Biology and Physiology, The University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA.

Developmental Cell
|May 16, 2013
PubMed
Summary
This summary is machine-generated.

The Nde1-Lis1 complex and Brap regulate neural progenitor fate during central nervous system (CNS) development. This interaction is crucial for position-dependent modulation and CNS patterning.

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09:32

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Published on: June 15, 2017

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Live Imaging of Mitosis in the Developing Mouse Embryonic Cortex

Published on: June 4, 2014

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Cell Biology

Background:

  • Morphogenic gradients from signaling centers pattern the central nervous system (CNS).
  • Neural progenitor cell fate determination is critical for CNS development.

Discussion:

  • The Nde1-Lis1 complex interacts with Brap, a negative regulator of the mitogen-activated protein kinase pathway.
  • This interaction influences how neural progenitor cells respond to their position within the developing CNS.

Key Insights:

  • The Nde1-Lis1 complex and Brap collaborate to control neural progenitor fate.
  • This mechanism allows for position-dependent modulation of cell fate, contributing to CNS patterning.

Outlook:

  • Further research can explore the precise molecular mechanisms of this interaction.
  • Understanding this pathway may offer insights into developmental disorders affecting the CNS.