All of the evidence provided on Hippocampome.org are quotes from scientific texts.
However, because quoted passages may be difficult to understand in isolation, contextual information and expanded abbreviations set in square brackets have been added for clarity.
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EXPRESSION: negative (inference)
ANIMAL: rat
PROTOCOL: immunohistochemistry
Page location: p555, table 3
"TABLE 3. Distribution of 1 and 2 Adrenergic Receptor Expression in Interneurons in the Adult Rat Hippocampus"
Interpretation notes: Glutamatergic and GABAergic CCK+ types in CA1 SR are probably AR-beta1-; Clopper-Pearson confidence interval lower bound = 78.7% (n = 67/76)
EXPRESSION: negative (inference)
ANIMAL: rat
PROTOCOL: immunohistochemistry
Page location: p1220, right top
"In our attempts to identify the CCK[cholecystokinin]-negative subpopulation we found no colocalization of CB1 [cannabinoid type 1] receptor and parvalbumin, as shown previously (Tsou et al., 1999; Katona et al., 1999b, 2000, 2001)."
Interpretation notes: Glutamatergic and GABAergic PV+ types in CA1 SLM_SR_SP_SO are probably CB1- by contrapositive logic