Meanings
nounspinophilin (uncountable)
- uncountablebiochemistryA regulatory subunit of protein phosphatase-1 catalytic subunit, highly enriched in dendritic spines.
We have previously shown that spinophilin attenuates the α 2A AR-dependent hypotensive response; in spinophilin null mice, this response is highly potentiated.
2015 August 6, “Spinophilin Is Indispensable for the α 2B Adrenergic Receptor-Elicited Hypertensive Response”, in PLOS ONE, →DOI
Origin
From spine + -o- + -phile + -in.
Full word history & related roots →Cite this entry
APA
spinophilin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/spinophilin
MLA
“spinophilin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spinophilin. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “spinophilin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/spinophilin.
Source: spinophilin on Wiktionary, CC BY-SA 4.0.