Hippocampal Hipp Cells is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Hippocampal Hipp Cells is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Overview
Mermaid diagram (expand to render)
This page provides comprehensive information about the cell type. See the content below for detailed information. [@arisi2007]
HIPP (hilus perforant path-associated) cells are a specialized population of somatostatin-expressing inhibitory interneurons located in the hilus (polymorphic layer) of the dentate gyrus. These cells were first characterized by Hosp et al. (2014) and play crucial roles in modulating hippocampal circuitry, particularly in the regulation of dentate gyrus function and memory processing. [@soriano1990]
Discovery and Identification
HIPP cells were identified through a combination of anatomical and physiological approaches: [@chellappa2013]
Somatostatin (SST) marker: HIPP cells express somatostatin, a neuropeptide marker for a specific interneuron subclass
Location specificity: Found specifically in the hilus region, where they receive inputs from the perforant path
Electrophysiological signature: Display unique firing properties distinct from other hilar interneurons
Morphology and Properties
Cellular Characteristics
Somatostatin Expression: Primary marker for identification
Axonal Projections: Axons project to the outer molecular layer
Dendritic Architecture: Multipolar dendrites spanning the hilus
cell-types/dentate-gyrus-granule-cells - Target of HIPP inhibition
cell-types/somatostatin-interneurons - Related interneuron type
cell-types/hilar-mossy-cells - Local circuit partners
brain-regions/hippocampus - HIPP cell function
diseases/alzheimers - Dentate gyrus pathology
Background
The study of Hippocampal Hipp Cells 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.
External Links
[PubMed](https://pubmed.ncbi.nlm.nih.gov/) - Biomedical literature
[Alzheimer's Disease Neuroimaging Initiative](https://adni.loni.usc.edu/) - Research data
[Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data