Neurotrophic Factor Secretion
Neurotrophic Factor Secretion - Related Videos
11:33
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Cited by 2 •
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This article illustrates the use of pulse-chase radio labeling in combination with site-specific photocrosslinking to monitor interactions between a protein of interest and other factors in E. coli. Unlike traditional chemical cross-linking methods, this approach generates high resolution “snapshots” of an ordered assembly pathway in a living cell.
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Monitoring Functionality and Morphology of Vasculature Recruited by Factors Secreted by Fast-growing Tumor-generating Cells
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We describe a matrigel plug assay to illustrate angiogenic potential of a pool of factors secreted by cancer cells using two complementary imaging modalities, ultrasound and endomicroscopy. The matrigel, an extracellular matrix (ECM)-mimic gel, is utilized to introduce the host (mouse) with angiogenic factors secreted to the conditioned media...
08:52
Neuron-Macrophage Co-cultures to Activate Macrophages Secreting Molecular Factors with Neurite Outgrowth Activity
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Cited by 3 •
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The current protocol presents experimental procedures to stimulate cultured macrophages to be endowed with capacity to release molecular factors that promote neurite outgrowth. Treatment of cAMP to the neuron-macrophage co-cultures induces the macrophages to produce conditioned medium that possesses strong neurite outgrowth activity.
06:10
Three Strategies to Induce Neurotrophic Keratitis and Nerve Regeneration in Murine Cornea
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Cited by 4 •
2023
Here, we propose three different methods of damaging the sensory fibres innervating the cornea. These methods facilitate the study of axon regeneration in mice. These three methods, which are adaptable to other animal models, are ideal for the study of corneal innervation physiology and regeneration.
05:58
Measuring Relative Insulin Secretion using a Co-Secreted Luciferase Surrogate
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Cited by 7 •
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This protocol describes how to perform rapid low-cost luciferase assays at medium-throughput using an insulin-linked Gaussia luciferase as a proxy for insulin secretion from beta cells. The assay can be performed with most luminescence plate readers and multichannel pipettes.
FAQs
Cellular activity and nervous-system injury can stimulate neurons or glial cells to release neurotrophic factors, including nerve growth factor and brain-derived neurotrophic factor. This regulation links changing cellular conditions to support for nearby or connected neural cells. As a result, secretion can contribute both to normal circuit maintenance and to responses associated with nervous-system damage.
Paracrine signaling acts on nearby cells, whereas retrograde signaling carries information from a receiving cell back toward a connected cell or site. Neurotrophic factors can therefore influence neural function across local cellular neighborhoods or along connected neural pathways. Distinguishing these routes helps explain how secretion affects synaptic function, circuit coordination, and responses to cellular stress.
Nerve growth factor and brain-derived neurotrophic factor activate receptors on responsive cells, triggering effects that support neuronal survival, growth, differentiation, and synaptic function. Their actions extend beyond individual neurons because receptor activation can alter how cells maintain connections and respond to activity. These properties make the factors important for neural development and continuing circuit function.
Examining when neurons and glial cells release neurotrophic factors connects cellular activity with changes in synaptic function. Because these factors act through receptors on nearby or connected cells, secretion provides a mechanism by which neural activity can influence circuit behavior. This research therefore helps clarify how nervous-system circuits are maintained and modified over time.
Research on secretion can clarify how neurotrophic factors participate in repair after nervous-system damage. It also supports investigation of neuroprotective strategies and regenerative therapies by identifying a cellular process associated with neuronal survival, growth, and recovery-related responses. These questions are especially relevant when researchers examine how injury changes communication between neurons and glial cells.
Neurotrophic factor secretion is relevant to neurodegeneration because altered support for neuronal survival and synaptic function may help explain how neural circuits lose stability. Studying the process in neurological disease models can connect cellular signaling with broader changes in circuit maintenance. The resulting knowledge may inform research into neuroprotective approaches without treating secretion as an isolated cellular event.