Hypothalamic Cell Survival
Hypothalamic Cell Survival - Related Videos
08:27
Use of a Caspase Multiplexing Assay to Determine Apoptosis in a Hypothalamic Cell Model
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Cited by 20 •
2014
Multiplex assays can provide beneficial information for basic cellular mechanisms and eliminate waste of reagents and unnecessary repetitive experiments. We describe here a multiplex caspase-3/7 activity assay, using fluorescent- and luminescent-based methods, to determine cell viability in an in vitro hypothalamic model following oxidative challenge with palmitic acid.
01:37
Hypothalamic-Pituitary Axis
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2019
The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor. What Happens During Stress In response to stress, the neurons in the hypothalamus release...
08:55
Formulations for Freeze-drying of Bacteria and Their Influence on Cell Survival
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Cited by 22 •
2013
Freeze-drying is often an easy and convenient way to obtain dry products of viable bacterial cells. An issue of the process is cell survival. We detail here a procedure to investigate how cell survival during freeze-drying is influenced by the properties of the formulation used.
02:52
Cellular Impedance-Based Survival Kinetics Assay to Assess Virus Survival
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2025
This video describes a cellular impedance-based technique to study the survival kinetics of viruses that induce cytopathic effects. The method measures the electrical impedance of virus-infected adherent cells pre-treated with saline.
09:14
Imaging Calcium Responses in GFP-tagged Neurons of Hypothalamic Mouse Brain Slices
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Cited by 5 •
2012
In this protocol, we update recent progress in imaging Ca2+ signals of GFP-tagged neurons in brain tissue slices using a red fluorescent Ca2+ indicator dye.
FAQs
Survival depends on whether supportive signals and metabolic resources can offset cellular stress. Trophic support promotes maintenance, while metabolic limitations or persistent stress can shift cells toward dysfunction or death. Examining this balance helps explain why hypothalamic neurons and glial cells may remain viable, adapt to changing conditions, or become vulnerable during disrupted homeostasis.
Apoptosis is a regulated cell-death pathway that provides a framework for understanding how hypothalamic cell populations are maintained or reduced. Its relationship with inflammatory signals, nutrient availability, and stress responses helps researchers distinguish controlled loss from broader cellular deterioration. This is especially relevant when investigating changes associated with development, aging, metabolic dysfunction, or neurodegeneration.
Inflammatory signals and nutrient availability act as conditions that can influence the balance between cellular support and damage. Favorable nutrient conditions may help sustain metabolic needs, whereas altered availability can increase vulnerability when combined with stress. Inflammation may further disturb this balance, making these factors important for interpreting changes in hypothalamic cell survival and homeostatic regulation.
Research examines how survival mechanisms support the formation and maintenance of hypothalamic circuits, then how those circuits respond to changing physiological conditions. Attention to trophic support, metabolic state, stress responses, and regulated cell death can reveal how viable cell populations contribute to adaptive neuroendocrine and homeostatic functions across different stages or conditions.
This topic becomes particularly relevant when hypothalamic function is examined in metabolic dysfunction, aging, inflammation, or neurodegeneration. In each context, altered survival may affect circuits involved in endocrine, autonomic, metabolic, and homeostatic regulation. Studying the underlying balance can therefore connect cellular changes with broader disruptions in physiological control without treating all dysfunction as a single mechanism.
These studies can clarify how cellular stress, nutrient conditions, inflammatory signals, and regulated death pathways influence the integrity of hypothalamic circuits. The resulting knowledge supports interpretation of disrupted homeostasis and may guide efforts to preserve neuroendocrine function. It also links cellular-level survival mechanisms with circuit development, adaptation, aging, and disease-related deterioration in neuroscience.