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Description
Distribution of interneurons expressing EGFP from the 5HT3 receptor promoter (Tg(Htr3a-EGFP)DH30Gsat, www.gensat.org) in the ventral hippocampus colabelled for the CB1 cannabinoid receptor (red) and counterstained with DAPI (blue) to show the cell layers. EGFP expression was amplified with chicken anti-GFP (Abcam, 1:2000); cell bodies and fibers are present throughout all layers of the hippocampus but enriched in the hilus and stratum lacunosum moleculare (see associated images). CB1 immunoreactivity (L15 rabbit polyclonal 1:200, K. Mackie) is prominent in the axon terminals of basket cells synapsing in the pyramidal cell layer. CB1 is also enriched in axons with variable intensity in the inner and outer molecular layer of the dentate gyrus and within the hilus. Lower level CB1 immunoreactivity is also present in the stratum radiatum and stratum oriens. Section (40 um) was mounted with Fluoromount G and imaged with a 10X, 0.3 NA objective on a Zeiss Axiovert microscope. AF568 was excited at 562/40 nm and emission collected at 624/40 nm with Semrock filters and a single band dichroic (530-585 nm reflected, 601-800 nm transmitted). AF488 was excited at 482/35 nm and emission collected at 536/40 nm with Semrock filters and a single band dichroic (446-499 nm reflected, 513-735 nm transmitted). DAPI was excited at 350/50 nm and emission collected at 460/50 nm with a CLP400 dichroic (Chroma). Single images were captured for each channel using a Zeiss Axiocam MR CCD and pseudo-colored using Axiovision. Linear background subtraction was used on the presented image. See Davis and Puhl 2011 (Pubmed ID: 21305052) for a detailed staining protocol. This image is part of a series characterizing EGFP expression from the 5HT3 promoter throughout the brain. Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp) Davis, Margaret I. (2021). CIL:16241, Mus musculus, CNS interneuron, hippocampal granule cell. In Cell Image Library. UC San Diego Library Digital Collections. Dataset. https://doi.org/10.6075/J0SQ8ZH5
Type
Dataset
Language
No linguistic content; Not applicable
Subject
Cell communication by chemical coupling Cannabinoid receptor activity Serotonin receptor activity CNS interneuron Axon Hippocampal granule cell Neuronal cell body Mus musculus
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