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The physiological variability of channel density in hippocampal CA1 pyramidal cells and interneurons explored using a unified data-driven modeling workflow.

Migliore R, Lupascu CA, Bologna LL, Romani A, Courcol JD, Antonel S, Van Geit WAH, Thomson AM, Mercer A, Lange S, Falck J, Rössert CA, Shi Y, Hagens O, Pezzoli M, Freund TF, Kali S, Muller EB, Schürmann F, Markram H, Migliore M.

PLoS Comput Biol. 2018 Sep 17;14(9):e1006423. doi: 10.1371/journal.pcbi.1006423. eCollection 2018 Sep.


Co-transmission of acetylcholine and GABA regulates hippocampal states.

Takács VT, Cserép C, Schlingloff D, Pósfai B, Szőnyi A, Sos KE, Környei Z, Dénes Á, Gulyás AI, Freund TF, Nyiri G.

Nat Commun. 2018 Jul 20;9(1):2848. doi: 10.1038/s41467-018-05136-1.


Hippocampal Network Dynamics during Rearing Episodes.

Barth AM, Domonkos A, Fernandez-Ruiz A, Freund TF, Varga V.

Cell Rep. 2018 May 8;23(6):1706-1715. doi: 10.1016/j.celrep.2018.04.021.


Regulation of Hippocampal 5-HT Release by P2X7 Receptors in Response to Optogenetic Stimulation of Median Raphe Terminals of Mice.

Gölöncsér F, Baranyi M, Balázsfi D, Demeter K, Haller J, Freund TFF, Zelena D, Sperlágh B.

Front Mol Neurosci. 2017 Oct 12;10:325. doi: 10.3389/fnmol.2017.00325. eCollection 2017.


Median raphe region stimulation alone generates remote, but not recent fear memory traces.

Balázsfi DG, Zelena D, Farkas L, Demeter K, Barna I, Cserép C, Takács VT, Nyíri G, Gölöncsér F, Sperlágh B, Freund TF, Haller J.

PLoS One. 2017 Jul 14;12(7):e0181264. doi: 10.1371/journal.pone.0181264. eCollection 2017.


Synaptic and cellular changes induced by the schizophrenia susceptibility gene G72 are rescued by N-acetylcysteine treatment.

Pósfai B, Cserép C, Hegedüs P, Szabadits E, Otte DM, Zimmer A, Watanabe M, Freund TF, Nyiri G.

Transl Psychiatry. 2016 May 10;6:e807. doi: 10.1038/tp.2016.74.


Cellular architecture and transmitter phenotypes of neurons of the mouse median raphe region.

Sos KE, Mayer MI, Cserép C, Takács FS, Szőnyi A, Freund TF, Nyiri G.

Brain Struct Funct. 2017 Jan;222(1):287-299. doi: 10.1007/s00429-016-1217-x. Epub 2016 Apr 4.


Properties and dynamics of inhibitory synaptic communication within the CA3 microcircuits of pyramidal cells and interneurons expressing parvalbumin or cholecystokinin.

Kohus Z, Káli S, Rovira-Esteban L, Schlingloff D, Papp O, Freund TF, Hájos N, Gulyás AI.

J Physiol. 2016 Jul 1;594(13):3745-74. doi: 10.1113/JP272231. Epub 2016 May 5.


Divergent in vivo activity of non-serotonergic and serotonergic VGluT3-neurones in the median raphe region.

Domonkos A, Nikitidou Ledri L, Laszlovszky T, Cserép C, Borhegyi Z, Papp E, Nyiri G, Freund TF, Varga V.

J Physiol. 2016 Jul 1;594(13):3775-90. doi: 10.1113/JP272036. Epub 2016 Apr 28.


Enhanced expression of potassium-chloride cotransporter KCC2 in human temporal lobe epilepsy.

Karlócai MR, Wittner L, Tóth K, Maglóczky Z, Katarova Z, Rásonyi G, Erőss L, Czirják S, Halász P, Szabó G, Payne JA, Kaila K, Freund TF.

Brain Struct Funct. 2016 Sep;221(7):3601-15. doi: 10.1007/s00429-015-1122-8. Epub 2015 Oct 1.


The ascending median raphe projections are mainly glutamatergic in the mouse forebrain.

Szőnyi A, Mayer MI, Cserép C, Takács VT, Watanabe M, Freund TF, Nyiri G.

Brain Struct Funct. 2016 Mar;221(2):735-51. doi: 10.1007/s00429-014-0935-1. Epub 2014 Nov 9.


Optogenetic activation of septal cholinergic neurons suppresses sharp wave ripples and enhances theta oscillations in the hippocampus.

Vandecasteele M, Varga V, Berényi A, Papp E, Barthó P, Venance L, Freund TF, Buzsáki G.

Proc Natl Acad Sci U S A. 2014 Sep 16;111(37):13535-40. doi: 10.1073/pnas.1411233111. Epub 2014 Sep 2.


Mechanisms of sharp wave initiation and ripple generation.

Schlingloff D, Káli S, Freund TF, Hájos N, Gulyás AI.

J Neurosci. 2014 Aug 20;34(34):11385-98. doi: 10.1523/JNEUROSCI.0867-14.2014.


A flexible, interactive software tool for fitting the parameters of neuronal models.

Friedrich P, Vella M, Gulyás AI, Freund TF, Káli S.

Front Neuroinform. 2014 Jul 10;8:63. doi: 10.3389/fninf.2014.00063. eCollection 2014.


Discovery research in neuropsychiatry - anxiety, depression and schizophrenia in focus. Editorial.

Haller J, Freund TF.

Neurosci Biobehav Rev. 2013 Dec;37(10 Pt 1):2311. No abstract available.


Quantitative ultrastructural analysis of basket and axo-axonic cell terminals in the mouse hippocampus.

Takács VT, Szőnyi A, Freund TF, Nyiri G, Gulyás AI.

Brain Struct Funct. 2015 Mar;220(2):919-40. doi: 10.1007/s00429-013-0692-6. Epub 2014 Jan 10.


Physiological sharp wave-ripples and interictal events in vitro: what's the difference?

Karlócai MR, Kohus Z, Káli S, Ulbert I, Szabó G, Máté Z, Freund TF, Gulyás AI.

Brain. 2014 Feb;137(Pt 2):463-85. doi: 10.1093/brain/awt348. Epub 2014 Jan 2.


Neuroligin 2 is expressed in synapses established by cholinergic cells in the mouse brain.

Takács VT, Freund TF, Nyiri G.

PLoS One. 2013 Sep 5;8(9):e72450. doi: 10.1371/journal.pone.0072450. eCollection 2013.


Input-output features of anatomically identified CA3 neurons during hippocampal sharp wave/ripple oscillation in vitro.

Hájos N, Karlócai MR, Németh B, Ulbert I, Monyer H, Szabó G, Erdélyi F, Freund TF, Gulyás AI.

J Neurosci. 2013 Jul 10;33(28):11677-91. doi: 10.1523/JNEUROSCI.5729-12.2013.


Different input and output properties characterize parvalbumin-positive basket and Axo-axonic cells in the hippocampal CA3 subfield.

Papp OI, Karlócai MR, Tóth IE, Freund TF, Hájos N.

Hippocampus. 2013 Oct;23(10):903-18. doi: 10.1002/hipo.22147. Epub 2013 Jun 27.


New insights into the classification and nomenclature of cortical GABAergic interneurons.

DeFelipe J, López-Cruz PL, Benavides-Piccione R, Bielza C, Larrañaga P, Anderson S, Burkhalter A, Cauli B, Fairén A, Feldmeyer D, Fishell G, Fitzpatrick D, Freund TF, González-Burgos G, Hestrin S, Hill S, Hof PR, Huang J, Jones EG, Kawaguchi Y, Kisvárday Z, Kubota Y, Lewis DA, Marín O, Markram H, McBain CJ, Meyer HS, Monyer H, Nelson SB, Rockland K, Rossier J, Rubenstein JL, Rudy B, Scanziani M, Shepherd GM, Sherwood CC, Staiger JF, Tamás G, Thomson A, Wang Y, Yuste R, Ascoli GA.

Nat Rev Neurosci. 2013 Mar;14(3):202-16. doi: 10.1038/nrn3444. Epub 2013 Feb 6. Review.


In vivo SPECT and ex vivo autoradiographic brain imaging of the novel selective CB1 receptor antagonist radioligand [125I]SD7015 in CB1 knock-out and wildtype mouse.

Máthé D, Horváth I, Szigeti K, Donohue SR, Pike VW, Jia Z, Ledent C, Palkovits M, Freund TF, Halldin C, Gulyás B.

Brain Res Bull. 2013 Feb;91:46-51. doi: 10.1016/j.brainresbull.2013.01.001. Epub 2013 Jan 11.


DAG-sensitive and Ca(2+) permeable TRPC6 channels are expressed in dentate granule cells and interneurons in the hippocampal formation.

Nagy GA, Botond G, Borhegyi Z, Plummer NW, Freund TF, Hájos N.

Hippocampus. 2013 Mar;23(3):221-32. doi: 10.1002/hipo.22081. Epub 2012 Nov 29.


Endocannabinoid-mediated long-term depression of afferent excitatory synapses in hippocampal pyramidal cells and GABAergic interneurons.

Péterfi Z, Urbán GM, Papp OI, Németh B, Monyer H, Szabó G, Erdélyi F, Mackie K, Freund TF, Hájos N, Katona I.

J Neurosci. 2012 Oct 10;32(41):14448-63. doi: 10.1523/JNEUROSCI.1676-12.2012.


NMDA receptors in GABAergic synapses during postnatal development.

Cserép C, Szabadits E, Szőnyi A, Watanabe M, Freund TF, Nyiri G.

PLoS One. 2012;7(5):e37753. doi: 10.1371/journal.pone.0037753. Epub 2012 May 25.


Multiple functions of endocannabinoid signaling in the brain.

Katona I, Freund TF.

Annu Rev Neurosci. 2012;35:529-58. doi: 10.1146/annurev-neuro-062111-150420. Epub 2012 Apr 17. Review.


The anxiolytic potential and psychotropic side effects of an echinacea preparation in laboratory animals and healthy volunteers.

Haller J, Freund TF, Pelczer KG, Füredi J, Krecsak L, Zámbori J.

Phytother Res. 2013 Jan;27(1):54-61. doi: 10.1002/ptr.4677. Epub 2012 Mar 26.


Redistribution of CB1 cannabinoid receptors in the acute and chronic phases of pilocarpine-induced epilepsy.

Karlócai MR, Tóth K, Watanabe M, Ledent C, Juhász G, Freund TF, Maglóczky Z.

PLoS One. 2011;6(11):e27196. doi: 10.1371/journal.pone.0027196. Epub 2011 Nov 4.


Extrinsic and local glutamatergic inputs of the rat hippocampal CA1 area differentially innervate pyramidal cells and interneurons.

Takács VT, Klausberger T, Somogyi P, Freund TF, Gulyás AI.

Hippocampus. 2012 Jun;22(6):1379-91. doi: 10.1002/hipo.20974. Epub 2011 Sep 28.


Alkamides and a neolignan from Echinacea purpurea roots and the interaction of alkamides with G-protein-coupled cannabinoid receptors.

Hohmann J, Rédei D, Forgo P, Szabó P, Freund TF, Haller J, Bojnik E, Benyhe S.

Phytochemistry. 2011 Oct;72(14-15):1848-53. doi: 10.1016/j.phytochem.2011.06.008. Epub 2011 Jul 19.


The effects of an Echinacea preparation on synaptic transmission and the firing properties of CA1 pyramidal cells in the hippocampus.

Hájos N, Holderith N, Németh B, Papp OI, Szabó GG, Zemankovics R, Freund TF, Haller J.

Phytother Res. 2012 Mar;26(3):354-62. doi: 10.1002/ptr.3556. Epub 2011 Jun 30.


Complex propagation patterns characterize human cortical activity during slow-wave sleep.

Hangya B, Tihanyi BT, Entz L, Fabó D, Erőss L, Wittner L, Jakus R, Varga V, Freund TF, Ulbert I.

J Neurosci. 2011 Jun 15;31(24):8770-9. doi: 10.1523/JNEUROSCI.1498-11.2011.


Glutamatergic input from specific sources influences the nucleus accumbens-ventral pallidum information flow.

Papp E, Borhegyi Z, Tomioka R, Rockland KS, Mody I, Freund TF.

Brain Struct Funct. 2012 Jan;217(1):37-48. doi: 10.1007/s00429-011-0331-z. Epub 2011 Jun 5.


NMDA receptors in hippocampal GABAergic synapses and their role in nitric oxide signaling.

Szabadits E, Cserép C, Szonyi A, Fukazawa Y, Shigemoto R, Watanabe M, Itohara S, Freund TF, Nyiri G.

J Neurosci. 2011 Apr 20;31(16):5893-904. doi: 10.1523/JNEUROSCI.5938-10.2011.


New silver-gold intensification method of diaminobenzidine for double-labeling immunoelectron microscopy.

Dobó E, Takács VT, Gulyás AI, Nyiri G, Mihály A, Freund TF.

J Histochem Cytochem. 2011 Mar;59(3):258-69. doi: 10.1369/0022155410397998. Epub 2011 Jan 12.


Nitric oxide signaling modulates synaptic transmission during early postnatal development.

Cserép C, Szonyi A, Veres JM, Németh B, Szabadits E, de Vente J, Hájos N, Freund TF, Nyiri G.

Cereb Cortex. 2011 Sep;21(9):2065-74. doi: 10.1093/cercor/bhq281. Epub 2011 Jan 31.


Neuroprotective effects of a novel kynurenic acid analogue in a transgenic mouse model of Huntington's disease.

Zádori D, Nyiri G, Szonyi A, Szatmári I, Fülöp F, Toldi J, Freund TF, Vécsei L, Klivényi P.

J Neural Transm (Vienna). 2011 Jun;118(6):865-75. doi: 10.1007/s00702-010-0573-6. Epub 2010 Dec 31.


Parvalbumin-containing fast-spiking basket cells generate the field potential oscillations induced by cholinergic receptor activation in the hippocampus.

Gulyás AI, Szabó GG, Ulbert I, Holderith N, Monyer H, Erdélyi F, Szabó G, Freund TF, Hájos N.

J Neurosci. 2010 Nov 10;30(45):15134-45. doi: 10.1523/JNEUROSCI.4104-10.2010.


Complementary synaptic distribution of enzymes responsible for synthesis and inactivation of the endocannabinoid 2-arachidonoylglycerol in the human hippocampus.

Ludányi A, Hu SS, Yamazaki M, Tanimura A, Piomelli D, Watanabe M, Kano M, Sakimura K, Maglóczky Z, Mackie K, Freund TF, Katona I.

Neuroscience. 2011 Feb 3;174:50-63. doi: 10.1016/j.neuroscience.2010.10.062. Epub 2010 Oct 28. Erratum in: Neuroscience. 2011 Jul 14;186:220.


The effect of Echinacea preparations in three laboratory tests of anxiety: comparison with chlordiazepoxide.

Haller J, Hohmann J, Freund TF.

Phytother Res. 2010 Nov;24(11):1605-13. doi: 10.1002/ptr.3181.


Laminar analysis of slow wave activity in humans.

Csercsa R, Dombovári B, Fabó D, Wittner L, Eross L, Entz L, Sólyom A, Rásonyi G, Szucs A, Kelemen A, Jakus R, Juhos V, Grand L, Magony A, Halász P, Freund TF, Maglóczky Z, Cash SS, Papp L, Karmos G, Halgren E, Ulbert I.

Brain. 2010 Sep;133(9):2814-29. doi: 10.1093/brain/awq169. Epub 2010 Jul 23.


Dynamic changes of CB1-receptor expression in hippocampi of epileptic mice and humans.

Maglóczky Z, Tóth K, Karlócai R, Nagy S, Eross L, Czirják S, Vajda J, Rásonyi G, Kelemen A, Juhos V, Halász P, Mackie K, Freund TF.

Epilepsia. 2010 Jul;51 Suppl 3:115-20. doi: 10.1111/j.1528-1167.2010.02624.x.


Loss and reorganization of calretinin-containing interneurons in the epileptic human hippocampus.

Tóth K, Eross L, Vajda J, Halász P, Freund TF, Maglóczky Z.

Brain. 2010 Sep;133(9):2763-77. doi: 10.1093/brain/awq149. Epub 2010 Jun 24.


Distinct synaptic properties of perisomatic inhibitory cell types and their different modulation by cholinergic receptor activation in the CA3 region of the mouse hippocampus.

Szabó GG, Holderith N, Gulyás AI, Freund TF, Hájos N.

Eur J Neurosci. 2010 Jun;31(12):2234-46. doi: 10.1111/j.1460-9568.2010.07292.x. Epub 2010 Jun 7.


Differences in subthreshold resonance of hippocampal pyramidal cells and interneurons: the role of h-current and passive membrane characteristics.

Zemankovics R, Káli S, Paulsen O, Freund TF, Hájos N.

J Physiol. 2010 Jun 15;588(Pt 12):2109-32. doi: 10.1113/jphysiol.2009.185975. Epub 2010 Apr 26.


Fast synaptic subcortical control of hippocampal circuits.

Varga V, Losonczy A, Zemelman BV, Borhegyi Z, Nyiri G, Domonkos A, Hangya B, Holderith N, Magee JC, Freund TF.

Science. 2009 Oct 16;326(5951):449-53. doi: 10.1126/science.1178307.


The epileptic human hippocampal cornu ammonis 2 region generates spontaneous interictal-like activity in vitro.

Wittner L, Huberfeld G, Clémenceau S, Eross L, Dezamis E, Entz L, Ulbert I, Baulac M, Freund TF, Maglóczky Z, Miles R.

Brain. 2009 Nov;132(Pt 11):3032-46. doi: 10.1093/brain/awp238. Epub 2009 Sep 18.


Spinal endocannabinoids and CB1 receptors mediate C-fiber-induced heterosynaptic pain sensitization.

Pernía-Andrade AJ, Kato A, Witschi R, Nyilas R, Katona I, Freund TF, Watanabe M, Filitz J, Koppert W, Schüttler J, Ji G, Neugebauer V, Marsicano G, Lutz B, Vanegas H, Zeilhofer HU.

Science. 2009 Aug 7;325(5941):760-4. doi: 10.1126/science.1171870.

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