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Related Concept Videos

Diversity in Cell Signaling Responses01:22

Diversity in Cell Signaling Responses

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The physiological function of a cell and cellular communication are outcomes of a range of extrinsic signals, intracellular signaling pathways, and cellular responses. No two cell types express the same repertoire of signaling components. Receptors are highly selective for their cognate ligands, but once activated, they can alter multiple cellular processes such as DNA transcription, protein synthesis, and metabolic activity. 
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Interactions Between Signaling Pathways01:19

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Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
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Updated: Aug 4, 2025

Transplantation of Human Stem Cell-Derived GABAergic Neurons into the Early Postnatal Mouse Hippocampus to Mitigate Neurodevelopmental Disorders
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Cellular signaling impacts upon GABAergic cortical interneuron development.

Emily Ling-Lin Pai1, April M Stafford2, Daniel Vogt2,3

  • 1Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, United States.

Frontiers in Neuroscience
|March 31, 2023
PubMed
Summary
This summary is machine-generated.

Cellular signaling pathways, including mTOR, MAPK, and Wnt/beta-catenin, play crucial roles in the development of cortical GABAergic interneurons. These signaling cascades complement transcriptional regulation to guide interneuron diversity.

Keywords:
MAPKWnt/beta-catenincellular signalingcortical interneuronmTOR

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Area of Science:

  • Neuroscience
  • Cell Biology
  • Developmental Biology

Background:

  • Cortical GABAergic interneuron development is primarily understood through nuclear regulation by transcription factors.
  • Emerging research highlights the significant role of cell signaling cascades in interneuron development.

Purpose of the Study:

  • To review the involvement of three major signaling families—mTOR, MAPK, and Wnt/beta-catenin—in cortical interneuron development.
  • To elucidate how these signaling pathways contribute to interneuron maturation and diversity.

Main Methods:

  • Literature review of studies on mTOR, MAPK, and Wnt/beta-catenin signaling in cortical interneuron development.
  • Analysis of how these pathways regulate interneuron developmental milestones and properties.

Main Results:

  • Each reviewed signaling pathway (mTOR, MAPK, Wnt/beta-catenin) contains factors that influence multiple aspects of interneuron development.
  • Signaling factors within these pathways regulate key interneuron developmental milestones and cellular properties.

Conclusions:

  • Cellular signaling pathways are integral to cortical interneuron development and maturation.
  • These signaling events likely function in concert with transcriptional mechanisms to generate the complex diversity of interneurons.