Floor Plate Precursors
Floor Plate Precursors - Related Videos
09:53
Culture of Isolated Floor Plate Tissue and Production of Conditioned Medium to Assess Functional Properties of Floor Plate-released Signals
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2014
The floor plate is a crucial structure of the developing spinal cord, providing diffusible signals to progenitors and differentiating neurons. We describe a method to produce floor-plate conditioned medium, to apply it to fresh spinal cord tissue, and to assess the consequences on proteins of interest by biochemistry.
01:17
Price Floor
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2025
A price floor is a policy tool that sets a legal minimum price for a good or service. It is often implemented to protect producers from falling prices and ensure a fair income, particularly in the agricultural sector. However, when the price floor is established above the equilibrium price, it can disrupt the natural market balance. This can lead to unintended consequences such as lost consumer surplus and reduced market efficiency. When a price floor is imposed above the market-clearing price,...
01:26
Muscles of the Pelvic Floor and Perineum
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2025
The muscles of the pelvic floor and perineum are crucial for supporting the pelvic organs, controlling continence, and aiding in sexual function, childbirth, and core stability. They are typically divided into the superficial perineal layer and the deep pelvic floor layer. Perineal Layer The perineum is a diamond-shaped area below the pelvic diaphragm, divided into an anterior urogenital triangle that contains the external genitals and a posterior anal triangle housing the anus. The urogenital...
08:01
Stimulation of Notch Signaling in Mouse Osteoclast Precursors
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Cited by 13 •
2017
Notch signaling is a form of cellular communication that relies upon direct contact between cells. To properly induce Notch signaling in vitro, Notch ligands must be presented to cells in an immobilized state. This protocol describes methods for in vitro stimulation of Notch signaling in mouse osteoclast precursors.
06:32
Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction
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2025
This protocol presents a novel coronoid-temporalis pedicled flap (CTPF) technique for reconstructing small-to-medium orbital floor defects. CTPF avoids microvascular risks while maintaining biomechanical stability. Clinical cases demonstrate effective structural restoration, reduced complications, and preserved facial symmetry, offering a viable alternative to traditional grafts or alloplastic materials.
FAQs
Their identity is established by exposure to Sonic hedgehog (SHH) signaling from the notochord and then the emerging floor plate. This input activates ventral neural patterning programs, including FOXA2, and shifts early progenitors toward floor plate precursor differentiation. The sequence links an embryonic positional cue to a molecular identity that can be monitored during development or in culture.
FOXA2 expression provides a molecular readout of the ventral identity program activated by SHH signaling. It helps distinguish cells responding to the developmental cue from progenitors that have not adopted the same floor plate-associated state. In experimental systems, tracking this marker can therefore connect signaling conditions with the emergence of the desired precursor population.
Once established, these cells influence the surrounding spinal cord in two coordinated ways: they organize neighboring neural progenitors through signaling and provide guidance information for commissural axons. The first supports regional neural patterning, whereas the second affects whether axons navigate across the spinal cord. This makes floor plate precursors relevant to both cell fate and circuit formation.
At a conceptual level, a study can follow the sequence from SHH exposure to FOXA2 activation and then assess whether precursor differentiation occurs. The notochord and emerging floor plate represent the developmental signaling context, while FOXA2 serves as a key molecular indicator. This framework helps investigators relate an inducing signal to a defined neural outcome.
Protocols using pluripotent stem cells can apply the developmental logic of SHH-driven ventral patterning to generate ventral spinal neurons. The precursor stage is important because it connects an early, identifiable neural state with later neuronal production. Such systems allow researchers to examine how early precursor identity relates to the generation of ventral spinal neurons.
Research on these precursors can support disease modeling and neural repair research by providing a developmental basis for producing ventral spinal neurons. Their study also clarifies how embryonic neural organization is established, including the relationship between ventral patterning and commissural axon guidance. These applications connect basic developmental neuroscience with experimental efforts to understand or restore spinal neural function.