Organum Vasculosum Lamina Terminalis Neurons is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| OVLT Neurons | |
|---|---|
| Cell Type | Circumventricular organ, osmoreceptor |
| Lineage | Neurosecretory neuron >CVO |
| Brain Region | Preoptic area, rostral to third ventricle |
| Marker Genes | TRPV1, AVP, NTS, Ucn2, GPR173 |
| Neurotransmitter | Glutamate, Neuropeptides |
The Organum Vasculosum of the Lamina Terminalis (OVLT) is a circumventricular organ located in the rostral wall of the third ventricle, just anterior to the preoptic area. Like the subfornical organ, the OVLT lacks a functional blood-brain barrier and serves as a sensory interface for detecting circulating molecules. It plays critical roles in osmoregulation, cardiovascular control, and autonomic homeostasis.
Key genes in OVLT neurons:
| Gene | Expression | Significance |
|---|---|---|
| TRPV1 | High | Osmoreception |
| AVP | Moderate | Vasopressin |
| NTS | Moderate | Neurotensin |
| Ucn2 | Moderate | Corticotropin |
| GPR173 | Moderate | SREB3 |
The study of Organum Vasculosum Lamina Terminalis Neurons has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
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[3] McKinley, M.J. et al. (2003). Osmoreceptor neurons in the OVLT. Journal of Physiology, 553(3), 863-874.
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[1] McKinley MJ, et al. Physiology of the OVLT. Prog Brain Res. 2002. PMID:12477923
[2] Noda M. Circumventricular organs. Front Neuroanat. 2014. PMID:14636073
[3] Siso S, et al. OVLT in neurodegeneration. Exp Neurol. 2005. PMID:15601573