@article{ec039e5e70684e73b79af6f45d6a571f,
title = "Cholinergic interneurons mediate cocaine extinction in male mice through plasticity across medium spiny neuron subtypes",
abstract = "Cholinergic interneurons (ChINs) in the nucleus accumbens (NAc) have been implicated in the extinction of drug associations, as well as related plasticity in medium spiny neurons (MSNs). However, since most previous work relied on artificial manipulations, whether endogenous acetylcholine signaling relates to drug associations is unclear. Moreover, despite great interest in the opposing effects of dopamine on MSN subtypes, whether ChIN-mediated effects vary by MSN subtype is also unclear. Here, we find that high endogenous acetylcholine event frequency correlates with greater extinction of cocaine-context associations across male mice. Additionally, extinction is associated with a weakening of glutamatergic synapses across MSN subtypes. Manipulating ChIN activity bidirectionally controls both the rate of extinction and the associated plasticity at MSNs. Our findings indicate that NAc ChINs mediate drug-context extinction by reducing glutamatergic synaptic strength across MSN subtypes, and that natural variation in acetylcholine signaling may contribute to individual differences in extinction.",
keywords = "CP: Neuroscience, acetylcholine, cocaine, nucleus accumbens, plasticity",
author = "Weston Fleming and Junuk Lee and Briones, {Brandy A.} and Bolkan, {Scott S.} and Witten, {Ilana B.}",
note = "Funding Information: We thank V. Corbit, A. Pan-Vazquez, and N.F. Parker for comments on the manuscript, as well as other members of the Witten laboratory for their support. We thank B. Juarez for discussion on individual differences in neuromodulation. We thank E. Engel and the PNI Viral Core for reagents. This work was supported by grants from NSF GRFP (W.F., B.A.B.), F32 MH118792 (S.S.B.), NIH R01 DA047869 (I.B.W.), U19 NS104648-01 (I.B.W.), ARO W911NF1710554 (I.B.W.), Brain Research Foundation (I.B.W.), Simons Collaboration on the Global Brain (I.B.W.), and the New York Stem Cell Foundation (I.B.W.). I.B.W. is an NYSCF-Robertson Investigator. Funding Information: We thank V. Corbit, A. Pan-Vazquez, and N.F. Parker for comments on the manuscript, as well as other members of the Witten laboratory for their support. We thank B. Juarez for discussion on individual differences in neuromodulation. We thank E. Engel and the PNI Viral Core for reagents. This work was supported by grants from NSF GRFP (W.F. B.A.B.), F32 MH118792 (S.S.B.), NIH R01 DA047869 (I.B.W.), U19 NS104648-01 (I.B.W.), ARO W911NF1710554 (I.B.W.), Brain Research Foundation (I.B.W.), Simons Collaboration on the Global Brain (I.B.W.), and the New York Stem Cell Foundation (I.B.W.). I.B.W. is an NYSCF-Robertson Investigator. Conceptualization, W.F. J.L. I.B.W.; Methodology, W.F. J.L. B.B. S.B. I.B.W.; Validation, W.F. J.L. B.B. S.B.; Investigation, W.F.; Formal analysis, W.F. J.L.; Writing - Original draft, W.F. I.B.W.; Writing - Review and editing, W.F. J.L. B.B. S.B. I.B.W.; Visualization, W.F.; Resources, I.B.W.; Supervision, J.L. I.B.W.; Funding acquisition, W.F. I.B.W. The authors declare no competing interests. Publisher Copyright: {\textcopyright} 2022 The Authors",
year = "2022",
month = may,
day = "31",
doi = "10.1016/j.celrep.2022.110874",
language = "English (US)",
volume = "39",
journal = "Cell Reports",
issn = "2211-1247",
publisher = "Cell Press",
number = "9",
}