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  1. Artikel ; Online: KCC2-Mediated Cl

    Spoljaric, Inkeri / Spoljaric, Albert / Mavrovic, Martina / Seja, Patricia / Puskarjov, Martin / Kaila, Kai

    Cell reports

    2019  Band 26, Heft 5, Seite(n) 1073–1081.e3

    Abstract: It is generally thought that hippocampal neurons of perinatal rats and mice lack transport-functional K-Cl cotransporter KCC2, and that ... ...

    Abstract It is generally thought that hippocampal neurons of perinatal rats and mice lack transport-functional K-Cl cotransporter KCC2, and that Cl
    Mesh-Begriff(e) Action Potentials/drug effects ; Animals ; Animals, Newborn ; Chlorides/metabolism ; Hippocampus/metabolism ; Mice, Inbred ICR ; Pyramidal Cells/metabolism ; Rats, Wistar ; Symporters/metabolism ; gamma-Aminobutyric Acid/pharmacology ; K Cl- Cotransporters
    Chemische Substanzen Chlorides ; Symporters ; gamma-Aminobutyric Acid (56-12-2)
    Sprache Englisch
    Erscheinungsdatum 2019-02-13
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2649101-1
    ISSN 2211-1247 ; 2211-1247
    ISSN (online) 2211-1247
    ISSN 2211-1247
    DOI 10.1016/j.celrep.2019.01.011
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Carbonic anhydrase seven bundles filamentous actin and regulates dendritic spine morphology and density.

    Bertling, Enni / Blaesse, Peter / Seja, Patricia / Kremneva, Elena / Gateva, Gergana / Virtanen, Mari A / Summanen, Milla / Spoljaric, Inkeri / Uvarov, Pavel / Blaesse, Michael / Paavilainen, Ville O / Vutskits, Laszlo / Kaila, Kai / Hotulainen, Pirta / Ruusuvuori, Eva

    EMBO reports

    2021  Band 22, Heft 4, Seite(n) e50145

    Abstract: Intracellular pH is a potent modulator of neuronal functions. By catalyzing (de)hydration of ... ...

    Abstract Intracellular pH is a potent modulator of neuronal functions. By catalyzing (de)hydration of CO
    Mesh-Begriff(e) Actin Cytoskeleton/metabolism ; Actins/genetics ; Actins/metabolism ; Carbonic Anhydrases/genetics ; Dendritic Spines/metabolism ; Hippocampus/metabolism ; Neurons/metabolism
    Chemische Substanzen Actins ; Carbonic Anhydrases (EC 4.2.1.1)
    Sprache Englisch
    Erscheinungsdatum 2021-03-15
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2020896-0
    ISSN 1469-3178 ; 1469-221X
    ISSN (online) 1469-3178
    ISSN 1469-221X
    DOI 10.15252/embr.202050145
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Vasopressin excites interneurons to suppress hippocampal network activity across a broad span of brain maturity at birth.

    Spoljaric, Albert / Seja, Patricia / Spoljaric, Inkeri / Virtanen, Mari A / Lindfors, Jenna / Uvarov, Pavel / Summanen, Milla / Crow, Ailey K / Hsueh, Brian / Puskarjov, Martin / Ruusuvuori, Eva / Voipio, Juha / Deisseroth, Karl / Kaila, Kai

    Proceedings of the National Academy of Sciences of the United States of America

    2017  Band 114, Heft 50, Seite(n) E10819–E10828

    Abstract: During birth in mammals, a pronounced surge of fetal peripheral stress hormones takes place to promote survival in the transition to the extrauterine environment. However, it is not known whether the hormonal signaling involves central pathways with ... ...

    Abstract During birth in mammals, a pronounced surge of fetal peripheral stress hormones takes place to promote survival in the transition to the extrauterine environment. However, it is not known whether the hormonal signaling involves central pathways with direct protective effects on the perinatal brain. Here, we show that arginine vasopressin specifically activates interneurons to suppress spontaneous network events in the perinatal hippocampus. Experiments done on the altricial rat and precocial guinea pig neonate demonstrated that the effect of vasopressin is not dependent on the level of maturation (depolarizing vs. hyperpolarizing) of postsynaptic GABA
    Mesh-Begriff(e) Animals ; Brain/embryology ; Brain/growth & development ; Evoked Potentials ; Female ; Guinea Pigs ; Hippocampus/embryology ; Hippocampus/growth & development ; Hippocampus/physiology ; Interneurons/physiology ; Male ; Nerve Net/physiology ; Parturition ; Rats ; Rats, Wistar ; Vasopressins/physiology ; gamma-Aminobutyric Acid/metabolism
    Chemische Substanzen Vasopressins (11000-17-2) ; gamma-Aminobutyric Acid (56-12-2)
    Sprache Englisch
    Erscheinungsdatum 2017-11-28
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.1717337114
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Corrigendum to "Bumepamine, a brain-permeant benzylamine derivative of bumetanide, does not inhibit NKCC1 but is more potent to enhance phenobarbital's antiseizure efficacy" [Neuropharmacology 143 (2018) 186-204].

    Brandt, Claudia / Seja, Patricia / Töllner, Kathrin / Römermann, Kerstin / Hampel, Philip / Kalesse, Markus / Kipper, Andi / Feit, Peter W / Lykke, Kasper / Toft-Bertelsen, Trine Lisberg / Paavilainen, Pauliina / Spoljaric, Inkeri / Puskarjov, Martin / MacAulay, Nanna / Kaila, Kai / Löscher, Wolfgang

    Neuropharmacology

    2018  Band 143, Seite(n) 349–350

    Sprache Englisch
    Erscheinungsdatum 2018-10-19
    Erscheinungsland England
    Dokumenttyp Journal Article ; Published Erratum
    ZDB-ID 218272-5
    ISSN 1873-7064 ; 0028-3908
    ISSN (online) 1873-7064
    ISSN 0028-3908
    DOI 10.1016/j.neuropharm.2018.10.012
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Bumepamine, a brain-permeant benzylamine derivative of bumetanide, does not inhibit NKCC1 but is more potent to enhance phenobarbital's anti-seizure efficacy.

    Brandt, Claudia / Seja, Patricia / Töllner, Kathrin / Römermann, Kerstin / Hampel, Philip / Kalesse, Markus / Kipper, Andi / Feit, Peter W / Lykke, Kasper / Toft-Bertelsen, Trine Lisberg / Paavilainen, Pauliina / Spoljaric, Inkeri / Puskarjov, Martin / MacAulay, Nanna / Kaila, Kai / Löscher, Wolfgang

    Neuropharmacology

    2018  Band 143, Seite(n) 186–204

    Abstract: Based on the potential role of Na-K-Cl cotransporters (NKCCs) in epileptic seizures, the loop diuretic bumetanide, which blocks the NKCC1 isoforms NKCC1 and NKCC2, has been tested as an adjunct with phenobarbital to suppress seizures. However, because of ...

    Abstract Based on the potential role of Na-K-Cl cotransporters (NKCCs) in epileptic seizures, the loop diuretic bumetanide, which blocks the NKCC1 isoforms NKCC1 and NKCC2, has been tested as an adjunct with phenobarbital to suppress seizures. However, because of its physicochemical properties, bumetanide only poorly penetrates through the blood-brain barrier. Thus, concentrations needed to inhibit NKCC1 in hippocampal and neocortical neurons are not reached when using doses (0.1-0.5 mg/kg) in the range of those approved for use as a diuretic in humans. This prompted us to search for a bumetanide derivative that more easily penetrates into the brain. Here we show that bumepamine, a lipophilic benzylamine derivative of bumetanide, exhibits much higher brain penetration than bumetanide and is more potent than the parent drug to potentiate phenobarbital's anticonvulsant effect in two rodent models of chronic difficult-to-treat epilepsy, amygdala kindling in rats and the pilocarpine model in mice. However, bumepamine suppressed NKCC1-dependent giant depolarizing potentials (GDPs) in neonatal rat hippocampal slices much less effectively than bumetanide and did not inhibit GABA-induced Ca
    Mesh-Begriff(e) Animals ; Anticonvulsants/chemical synthesis ; Anticonvulsants/chemistry ; Anticonvulsants/pharmacokinetics ; Anticonvulsants/pharmacology ; Benzylamines/chemical synthesis ; Benzylamines/chemistry ; Benzylamines/pharmacokinetics ; Benzylamines/pharmacology ; Brain/drug effects ; Brain/metabolism ; Bumetanide/analogs & derivatives ; Bumetanide/chemistry ; Bumetanide/pharmacokinetics ; Bumetanide/pharmacology ; Drug Evaluation, Preclinical ; Drug Synergism ; Epilepsy/drug therapy ; Epilepsy/metabolism ; Female ; Mice ; Oocytes ; Phenobarbital/pharmacokinetics ; Phenobarbital/pharmacology ; Rats, Wistar ; Seizures/drug therapy ; Seizures/metabolism ; Sodium Potassium Chloride Symporter Inhibitors/chemistry ; Sodium Potassium Chloride Symporter Inhibitors/pharmacokinetics ; Sodium Potassium Chloride Symporter Inhibitors/pharmacology ; Solute Carrier Family 12, Member 2/metabolism ; Tissue Culture Techniques ; Xenopus laevis
    Chemische Substanzen Anticonvulsants ; Benzylamines ; Bumepamine ; Sodium Potassium Chloride Symporter Inhibitors ; Solute Carrier Family 12, Member 2 ; Bumetanide (0Y2S3XUQ5H) ; Phenobarbital (YQE403BP4D)
    Sprache Englisch
    Erscheinungsdatum 2018-09-21
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 218272-5
    ISSN 1873-7064 ; 0028-3908
    ISSN (online) 1873-7064
    ISSN 0028-3908
    DOI 10.1016/j.neuropharm.2018.09.025
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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