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Simulation model of CA1 pyramidal neurons reveal opposing roles for the Na+/Ca2+ exchange current and Ca2+-activated K+ current during spike-timing dependent synaptic plasticity.
O'Halloran DM. O'Halloran DM. PLoS One. 2020 Mar 9;15(3):e0230327. doi: 10.1371/journal.pone.0230327. eCollection 2020. PLoS One. 2020. PMID: 32150746 Free PMC article.
Furthermore, mutant ncx2-/- and ncx3-/- mice have each been shown to exhibit altered long-term potentiation (LTP) in the hippocampal CA1 region due to delayed Ca2+ clearance after depolarization that alters synaptic transmission. ...
Furthermore, mutant ncx2-/- and ncx3-/- mice have each been shown to exhibit altered long-term potentiation (LTP) in the hippocampal …
Contribution of the cyclic nucleotide gated channel subunit, CNG-3, to olfactory plasticity in Caenorhabditis elegans.
O'Halloran DM, Altshuler-Keylin S, Zhang XD, He C, Morales-Phan C, Yu Y, Kaye JA, Brueggemann C, Chen TY, L'Etoile ND. O'Halloran DM, et al. Sci Rep. 2017 Mar 13;7(1):169. doi: 10.1038/s41598-017-00126-7. Sci Rep. 2017. PMID: 28279024 Free PMC article.
Prolonged exposure to an AWC sensed odor in the absence of food leads to reversible decreases in the animal's attraction to that odor. This adaptation exhibits two stages referred to as short-term and long-term adaptation. Previously, the protein kinase G (PKG), EGL …
Prolonged exposure to an AWC sensed odor in the absence of food leads to reversible decreases in the animal's attraction to that odor. This …
Changes in cGMP levels affect the localization of EGL-4 in AWC in Caenorhabditis elegans.
O'Halloran DM, Hamilton OS, Lee JI, Gallegos M, L'Etoile ND. O'Halloran DM, et al. PLoS One. 2012;7(2):e31614. doi: 10.1371/journal.pone.0031614. Epub 2012 Feb 3. PLoS One. 2012. PMID: 22319638 Free PMC article.
Here we show that odor-induced fluctuations in cGMP levels in the adult cilia may be responsible in part for sending EGL-4 into the AWC nucleus to produce long-term adaptation. We found that reductions in cGMP that result from mutations in the genes encoding the cilia-loca …
Here we show that odor-induced fluctuations in cGMP levels in the adult cilia may be responsible in part for sending EGL-4 into the AWC nucl …
Nuclear entry of a cGMP-dependent kinase converts transient into long-lasting olfactory adaptation.
Lee JI, O'Halloran DM, Eastham-Anderson J, Juang BT, Kaye JA, Scott Hamilton O, Lesch B, Goga A, L'Etoile ND. Lee JI, et al. Among authors: o halloran dm. Proc Natl Acad Sci U S A. 2010 Mar 30;107(13):6016-21. doi: 10.1073/pnas.1000866107. Epub 2010 Mar 10. Proc Natl Acad Sci U S A. 2010. PMID: 20220099 Free PMC article.
To navigate a complex and changing environment, an animal's sensory neurons must continually adapt to persistent cues while remaining responsive to novel stimuli. Long-term exposure to an inherently attractive odor causes Caenorhabditis elegans to ignore that odor, a proce …
To navigate a complex and changing environment, an animal's sensory neurons must continually adapt to persistent cues while remaining respon …
Regulators of AWC-mediated olfactory plasticity in Caenorhabditis elegans.
O'Halloran DM, Altshuler-Keylin S, Lee JI, L'Etoile ND. O'Halloran DM, et al. PLoS Genet. 2009 Dec;5(12):e1000761. doi: 10.1371/journal.pgen.1000761. Epub 2009 Dec 11. PLoS Genet. 2009. PMID: 20011101 Free PMC article.
We asked which candidate members of the olfactory signal transduction pathway promote nuclear entry of EGL-4 and which molecules might induce long-term adaptation downstream of EGL-4 nuclear entry. We found that initiation of long-term adaptation, as assessed by nuc …
We asked which candidate members of the olfactory signal transduction pathway promote nuclear entry of EGL-4 and which molecules might induc …