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Updated: May 23, 2026

Fluorescent Calcium Imaging and Subsequent In Situ Hybridization for Neuronal Precursor Characterization in Xenopus laevis
Published on: February 18, 2020
Calcium signalling remodelling and disease
1Babraham Institute, Babraham, Cambridge CB22 3AT, U.K. michael.berridge@babraham.ac.uk
Abstract:
A wide range of Ca2+ signalling systems deliver the spatial and temporal Ca2+ signals necessary to control the specific functions of different cell types. Release of Ca2+ by InsP3 (inositol 1,4,5-trisphosphate) plays a central role in many of these signalling systems. Ongoing transcriptional processes maintain the integrity and stability of these cell-specific signalling systems. However, these homoeostatic systems are highly plastic and can undergo a process of phenotypic remodelling, resulting in the Ca2+ signals being set either too high or too low. Such subtle dysregulation of Ca2+ signals have been linked to some of the major diseases in humans such as cardiac disease, schizophrenia, bipolar disorder and Alzheimer's disease.
Insights
Calcium (Ca2+) signaling is vital for cell function. Dysregulation of these signals, particularly through inositol 1,4,5-trisphosphate (InsP3) pathways, is linked to major human diseases like Alzheimer's and cardiac conditions.
Area of Science:
- Cellular biology
- Neuroscience
- Biochemistry
Background:
- Calcium (Ca2+) signaling pathways are crucial for diverse cellular functions.
- Inositol 1,4,5-trisphosphate (InsP3)-mediated Ca2+ release is a key component of many signaling systems.
- Transcriptional regulation maintains the stability of cell-specific Ca2+ signaling.
Purpose of the Study:
- To explore the plasticity and dysregulation of Ca2+ signaling systems.
- To investigate the link between altered Ca2+ signaling and human diseases.
Main Methods:
- Analysis of Ca2+ signaling dynamics.
- Investigation of transcriptional control mechanisms.
- Review of disease-associated signaling alterations.
Main Results:
- Ca2+ signaling systems exhibit phenotypic plasticity, allowing for remodeling.
- Dysregulation, characterized by excessively high or low Ca2+ signals, can occur.
- Subtle alterations in Ca2+ signaling are associated with major diseases, including cardiac disease, schizophrenia, bipolar disorder, and Alzheimer's disease.
Conclusions:
- Cellular Ca2+ signaling is dynamic and susceptible to homeostatic imbalances.
- Aberrant Ca2+ signaling represents a significant factor in the pathophysiology of various complex human diseases.
- Understanding these signaling dysregulations may offer therapeutic targets for neurological and cardiac conditions.
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