Intercellular Stress
Intercellular Stress - Related Videos
01:26
Intercellular Communication in a Contact-Free Co-Culture of Neurons and Oligodendrocytes
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2025
Begin with a contact-free co-culture of neurons and oligodendrocytes.A permeable membrane separates the neurons in the transwell insert from the oligodendrocytes at the bottom well.Add potassium to the insert to raise extracellular potassium levels, which inhibits the efflux of intracellular potassium.The potassium accumulation depolarizes the neurons, triggering the opening of voltage-gated calcium channels and allowing calcium influx.The influx stimulates the release of excitatory...
10:50
Nanopodia - Thin, Fragile Membrane Projections with Roles in Cell Movement and Intercellular Interactions
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Cited by 15 •
2014
Nanopodia are thin but fragile membrane channels that extend up to 100 μm from a cell's leading front or trailing rear and sense the cellular environment. Direct fixation at 37 °C, gentle washing, and avoidance of organic solvents like ethanol, methanol, or acetone and of higher Triton X-100 concentrations are required to observe these cellular structures.
02:45
Responses to Heat and Cold Stress
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2020
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes. When the environmental dynamics fall out of the optimal limit for a given species, changes in metabolism and functioning occur – and this is defined as stress. Plants respond to stress by initiating changes in gene expression - leading to adjustments in plant...
09:52
A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication
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Cited by 8 •
2016
We adapted a permeable microporous membrane insert to mimic the tumor microenvironment (TME). The model consists of a mixed cell culture, allows simplified generation of highly enriched individual cell populations without using fluorescent tagging or cell sorting, and permits studying intercellular communication within the TME under normal or stress conditions.
09:39
The Trier Social Stress Test Protocol for Inducing Psychological Stress
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Cited by 251 •
2011
This article describes a protocol for inducing psychological stress in participants, which enables researchers to measure psychological, physiological and neuroendocrine responses to stress within single participants or between groups.
FAQs
These signals cross cell-cell interfaces through extracellular release and uptake, allowing a disturbed cell to influence nearby recipients. Cytokines can activate stress-response pathways, while reactive oxygen species and metabolites alter the biochemical environment surrounding cells. The resulting signaling extends the consequences of a local disturbance beyond the cell where it first developed.
Gap junctions provide a direct communication route between adjacent cells, allowing stress-related information to pass without relying exclusively on secreted factors. This route connects the biochemical states of neighboring cells and can support coordinated activation of stress responses. Studying it helps distinguish direct cell-cell communication from signaling mediated by cytokines, reactive oxygen species, or metabolites.
Recipient-cell responses can change redox balance, protein activity, gene expression, and cell survival. These changes show that intercellular stress is not limited to a transient signal at the cell surface; it can reshape intracellular biochemical regulation. Measuring these outcomes helps researchers determine how communication between cells affects adaptation or contributes to stress-related damage.
A local disturbance can spread when affected cells release cytokines, reactive oxygen species, or metabolites, or communicate directly through gap junctions. Neighboring cells then activate stress-response pathways that may alter their own biochemical state and survival. This propagation provides a biochemical explanation for how localized cellular damage can influence coordinated function across a broader tissue region.
Biochemical studies can follow the signals moving across cell-cell interfaces and examine their effects in recipient cells. Relevant outcomes include changes in redox balance, protein activity, gene expression, and survival. Comparing these responses helps connect a signaling route, such as secreted factors or gap junction communication, with the broader consequences of cellular stress.
This concept provides a framework for examining inflammatory signaling, tumor microenvironment interactions, and tissue injury. In each setting, biochemical communication between neighboring cells may influence local coordination and cellular adaptation. It is also relevant to research seeking biomarkers of stress and strategies that limit damage arising when stress responses extend across cell-cell interfaces.
Within a tumor microenvironment, neighboring cells can exchange stress-related signals through secreted cytokines, reactive oxygen species, metabolites, or gap junctions. These interactions may modify gene expression, protein activity, redox balance, and survival in recipient cells. Studying those biochemical effects helps clarify how local cellular conditions influence surrounding tissue behavior and adaptation.