Photo of Timo Petteri Piepponen
  • PL 56 (Viikinkaari 5)

    00014

    Finland

19942019
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Publications 1994 2019

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1994

Effect of sex and age on brain monoamines and spatial-learning in rats

Tanila, H., Taira, T., Piepponen, T. P. & Honkanen, A., 1994, In : Neurobiology of Aging. 15, p. 733-741 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Morphine-stimulated metabolism of striatal and limbic dopamine is dissimilarly sensitised in rats upon withdrawal from chronic morphine treatment

Honkanen, A., Piepponen, T. P. & Ahtee, L., 1994, In : Neuroscience Letters. 180, p. 119-122 4 p.

Research output: Contribution to journalArticleScientificpeer-review

1995

Effects of selective opioid receptor antagonists on morphine-induced changes in striatal and limbic dopamine metabolism

Piepponen, T. P. & Ahtee, L., 1995, In : Pharmacology & Toxicology. 77, p. 204-208 5 p.

Research output: Contribution to journalArticleScientificpeer-review

1996

Behavioural and neurochemical sensitization of morphine-withdrawn rats to quinpirole

Piepponen, T. P., Katajamaki, J., Kivastik, T., Zharkovsky, A. & Ahtee, L., 1996, In : Pharmacology, Biochemistry and Behavior. 54, p. 787-792 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Morphine- and cocaine-induced conditioned place preference: Effects of quinpirole and preclamol

Kivastik, T., Vuorikallas, K., Piepponen, T. P., Zharkovsky, A. & Ahtee, L., 1996, In : Pharmacology, Biochemistry and Behavior. 54, p. 371-375 5 p.

Research output: Contribution to journalArticleScientificpeer-review

1997

Involvement of opioid mu 1 receptors in morphine-induced conditioned place preference in rats

Piepponen, T. P., Kivastik, T., Katajamaki, J., Zharkovsky, A. & Ahtee, L., 1997, In : Pharmacology, Biochemistry and Behavior. 58, p. 275-279 5 p.

Research output: Contribution to journalArticleScientificpeer-review

1998

Conditioned place preference induced by a combination of L-dopa and a COMT inhibitor, entacapone, in rats

Katajamaki, J., Honkanen, A., Piepponen, T. P., Linden, I. B., Zharkovsky, A. & Ahtee, L., 1998, In : Pharmacology, Biochemistry and Behavior. 60, p. 23-26 4 p.

Research output: Contribution to journalArticleScientificpeer-review

1999

Characterization of the decrease of extracellular striatal dopamine induced by intrastriatal morphine administration

Piepponen, T. P., Mikkola, J. A. V., Ruotsalainen, M., Jonker, D. & Ahtee, L., 1999, In : British Journal of Pharmacology. 127, 1, p. 268-274 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Effects of morphine in rats withdrawn from repeated nifedipine administration

Piepponen, T. P., Zharkovsky, A., Kivastik, T. & Ahtee, L., 1999, In : European Journal of Pharmacology. 365, p. 159-164 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Involvement of opioid mu(1)-receptors in opioid-induced acceleration of striatal and limbic dopaminergic transmission

Piepponen, T. P., Honkanen, A., Kivastik, T., Zharkovsky, A., Turtia, A., Mikkola, J. A. V. & Ahtee, L., 1999, In : Pharmacology, Biochemistry and Behavior. 63, p. 245-252 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2000

Effects of repeated morphine on cerebral dopamine release and metabolism in AA and ANA rats

Mikkola, J. A. V., Honkanen, A., Piepponen, T. P., Kiianmaa, K. & Ahtee, L., 2000, In : Pharmacology, Biochemistry and Behavior. 67, p. 783-791 9 p.

Research output: Contribution to journalArticleScientificpeer-review

The effects of nicotine on locomotor activity and dopamine overflow in the alcohol-preferring AA and alcohol-avoiding ANA rats

Kiianmaa, K., Tuomainen, P., Makova, N., Seppa, T., Mikkola, J. A. V., Piepponen, T. P., Ahtee, L. & Hyytia, P., 2000, In : European Journal of Pharmacology. 407, p. 293-302 10 p.

Research output: Contribution to journalArticleScientificpeer-review

2001

Effects of repeated cocaine treatment on striatal dopamine release in alcohol-preferring AA and alcohol-avoiding ANA rats

Mikkola, J. A. V., Honkanen, A., Piepponen, T. P., Kiianmaa, K. & Ahtee, L., 2001, In : Naunyn-Schmiedeberg's Archives of Pharmacology. 363, p. 209-214 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Effects of repeated morphine treatment on metabolism of cerebral dopamine and serotonin in alcohol-preferring AA and alcohol-avoiding ANA rats

Mikkola, J. A. V., Honkanen, A., Piepponen, T. P., Kiianmaa, K. & Ahtee, L., 2001, In : Alcohol and Alcoholism. 36, p. 286-291 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Enhanced motor activity and brain dopamine turnover in mice during long-term nicotine administration in the drinking water

Gaddnas, H., Pietila, K., Piepponen, P. & Ahtee, L., 2001, In : Pharmacology, Biochemistry and Behavior. 70, p. 497-503 7 p.

Research output: Contribution to journalArticleScientificpeer-review

2002

Effects of ethanol on the accumbal output of dopamine, GABA and glutamate in alcohol-tolerant and alcohol-nontolerant rats

Piepponen, T. P., Kiianmaa, K. & Ahtee, L., 2002, In : Pharmacology, Biochemistry and Behavior. 74, p. 21-30 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Mecamylamine decreases accumbal dopamine output in mice treated chronically with nicotine

Gaddnas, H., Piepponen, T. P. & Ahtee, L., 2002, In : Neuroscience Letters. 330, p. 219-222 4 p.

Research output: Contribution to journalArticleScientificpeer-review

2003

Morphine releases glutamate through AMPA receptors in the ventral tegmental area: a microdialysis study in conscious rats

Alaei, H., Huotari, M., Piepponen, P., Ahtee, L., Hänninen, O. & Männistö, P., 2003, In : Medical Journal of the Islamic Republic of Iran. 17, 3

Research output: Contribution to journalArticleScientificpeer-review

The effects of systemically administered taurine and N-pivaloyltaurine on striatal extracellular dopamine and taurine in freely moving rats

Salimaki, J., Scriba, G., Piepponen, T. P., Rautolahti, N. & Ahtee, L., 2003, In : Naunyn-Schmiedeberg's Archives of Pharmacology. 368, p. 134-141 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2004

Increased extracellular dopamine concentrations and FosB/delta FosB expression in striatal brain areas of heterozygous GDNF knockout mice

Airavaara, M., Planken, A., Gaddnas, H., Piepponen, T. P., Saarma, M. & Ahtee, L., Jul 2004, In : Fundamental & Clinical Pharmacology. 18, p. 55-55 1 p.

Research output: Contribution to journalArticleScientificpeer-review

Increased extracellular dopamine concentrations and FosB/ΔFosB expression in striatal brain areas of heterozygous GDNF knockout mice

Airavaara, M., Planken, A., Gäddnäs, H., Piepponen, T. P., Saarma, M. & Ahtee, L., 2004, In : European Journal of Neuroscience. 20, 9, p. 2336-2344 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2005

Analysis of acetylcholine and choline in microdialysis samples by liquid chromatography/tandem mass spectrometry

Uutela, P., Reinilä, R., Piepponen, P., Ketola, R. A., Kostiainen, R. & Ketola, R., 2005, In : Rapid Communications in Mass Spectrometry. 19, 20, p. 2950-2956 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Nicotine and epibatidine alter differently nomifensine-elevated dopamine output in the rat dorsal and ventral striatum

Janhunen, S., Tuominen, R. K., Piepponen, T. P. & Ahtee, L., 2005, In : European Journal of Pharmacology. 511, 2-3, p. 143-50 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2006

Effect of morphine on locomotor activity and striatal monoamine metabolism in nicotine-withdrawn mice

Vihavainen, T., Mijatovic, J., Piepponen, T. P., Tuominen, R. K. & Ahtee, L., 2006, In : Behavioural Brain Research. 173, 1, p. 85-93 9 p.

Research output: Contribution to journalArticleScientificpeer-review

In heterozygous GDNF knockout mice the response of striatal dopaminergic system to acute morphine is altered

Airavaara, M., Mijatovic, J., Vihavainen, T., Piepponen, P., Saarma, M. & Ahtee, L., 2006, In : Synapse (New York). 59, 6, p. 321-329 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2007

Accumbal FosB/DeltaFosB immunoreactivity and conditioned place preference in alcohol-preferring AA rats and alcohol-avoiding ANA rats treated repeatedly with cocaine

Marttila, K., Piepponen, P., Kiianmaa, K. & Ahtee, L., 2007, In : Brain Research . 1160, p. 82-90 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Effects of repeated morphine on locomotion, place preference and dopamine in heterozygous glial cell line-derived neurotrophic factor knockout mice

Airavaara, M., Tuomainen, H., Piepponen, P., Saarma, M. & Ahtee, L., 2007, In : Genes, Brain and Behavior. 6, 3, p. 287-298 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Pharmacologically diverse antidepressants rapidly activate brain-derived neurotrophic factor receptor TrkB and induce phospholipase-C signaling pathways in mouse brain

Rantamäki, T., Hendolin, P., Kankaanpää, A., Mijatovic, J., Piepponen, P., Domenici, E., Chao, M. V., Männistö, P. T. & Castren, E., 2007, In : Neuropsychopharmacology. 32, p. 2152-2162 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2008

Characterization of the striatal dopaminergic neurotransmission in MEN2B mice with elevated cerebral tissue dopamine

Mijatovic, J., Patrikainen, O., Yavich, L., Airavaara, M., Ahtee, L., Saarma, M. & Piepponen, P., 2008, In : Journal of Neurochemistry. 105, 5, p. 1716-1725 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Chronic nicotine modifies the effects of morphine on extracellular striatal dopamine and ventral tegmental GABA

Vihavainen, T., Relander, T., Leiviskä, R., Airavaara, M., Tuominen, R. K., Ahtee, L. & Piepponen, T. P., 2008, In : Journal of Neurochemistry. 107, 3, p. 844-854 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2009

Analysis of intact glucuronides and sulfates of serotonin, dopamine, and their phase I metabolites in rat brain microdialysates by liquid chromatography - tandem mass spectrometry

Uutela, P., Reinilä, R., Harju, K., Piepponen, P., Ketola, R. A. & Kostiainen, R., 2009, In : Analytical Chemistry. 81, 20, p. 8417-8425 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Comparison of different amino acid derivatives and analysis of rat brain microdialysates by liquid chromatography tandem mass spectrometry

Uutela, P., Ketola, R. A., Piepponen, P. & Kostiainen, R., 2009, In : Analytica Chimica Acta. 633, 2, p. 223-231 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Differences in basal and morphine-induced FosB/Delta FosB and pCREB immunoreactivities in dopaminergic brain regions of alcohol-preferring AA and alcohol-avoiding ANA rats

Kaste, K., Kivinummi, T., Piepponen, T. P., Kiianmaa, K. & Ahtee, L., 2009, In : Pharmacology, Biochemistry and Behavior. 92, p. 655-662 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Discovery of dopamine glucuronide in rat and mouse brain microdialysis samples using liquid chromatography tandem mass spectrometry

Uutela, P. S., Karhu, L., Piepponen, T. P., Käenmäki, M., Ketola, R. & Kostiainen, R., 2009, In : Analytical Chemistry. 2009, 81, p. 427-434

Research output: Contribution to journalArticleScientificpeer-review

Discovery of neurosteroid glucuronides in mouse brain

Kallonen, S., Tammimäki, A., Piepponen, P., Raattamaa, H., Ketola, R. A. & Kostiainen, R., 2009, In : Analytica Chimica Acta. 651, 1, p. 69-74 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Evidence that DmMANF is an invertebrate neurotrophic factor supporting dopaminergic neurons

Palgi, M., Lindström, R., Peränen, J., Piepponen, P., Saarma, M. & Heino, T. I., 2009, In : Proceedings of the National Academy of Sciences of the United States of America. 106, 7, p. 2429-2434 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2010

Determination of Steroids and Their Intact Glucuronide Conjugates in Mouse Brain by Capillary Liquid Chromatography-Tandem Mass Spectrometry

Jantti, S. E., Tammimaki, A., Raattamaa, H., Piepponen, P., Kostiainen, R. & Ketola, R. A., 2010, In : Analytical Chemistry. 82, p. 3168-3175 8 p.

Research output: Contribution to journalArticleScientificpeer-review

High Firing Rate of Neonatal Hippocampal Interneurons Is Caused by Attenuation of Afterhyperpolarizing Potassium Currents by Tonically Active Kainate Receptors

Segerstråle, M., Juuri, J., Lanore, F., Piepponen, T. P., Lauri, S. E., Mulle, C. & Taira, T., 12 May 2010, In : Journal of Neuroscience. 30, 19, p. 6507-6514 8 p.

Research output: Contribution to journalArticleScientificpeer-review

2011

Constitutive Ret signaling is protective for dopaminergic cell bodies but not for axonal terminals

Mijatovic, J., Piltonen, M., Alberton, P., Männistö, P. T., Saarma, M. & Piepponen, T. P., 2011, In : Neurobiology of Aging. 32, 8, p. 1486-1494 9 p.

Research output: Contribution to journalArticleScientificpeer-review

2012

Cell-autonomous FGF signaling regulates anteroposterior patterning and neuronal differentiation in the mesodiencephalic dopaminergic progenitor domain

Lahti, L. S., Peltopuro, P. P., Piepponen, T. P. & Partanen, J., 2012, In : Development. 139, 5, p. 894-905 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Mesolimbic dopamine release is linked to symptom severity in pathological gambling

Joutsa, J., Johansson, J., Niemela, S., Ollikainen, A., Hirvonen, M. M., Piepponen, T. P., Arponen, E., Alho, H., Voon, V., Rinne, J. O., Hietala, J. & Kaasinen, V., 2012, In : NeuroImage. 60, 4, p. 1992-1999 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Peliriippuvuuden taustalla ei aivojen palkkiojärjestelmän vajaatoimintaa

Joutsa, J., Johansson, J., Niemelä, S., Ollikainen, A., Hirvonen, M. M., Piepponen, T. P., Arponen, E., Alho, H., Voon, V., Rinne, J. O., Hietala, J. & Kaasinen, V., 2012, In : Duodecim. 128, 8, p. 831

Research output: Contribution to journalArticleScientific

The effect of prolyl oligopeptidase inhibition on extracellular acetylcholine and dopamine levels in the rat striatum

Jalkanen, A. J., Piepponen, T. P., Hakkarainen, J. J., De Meester, I., Lambeir, A-M. & Forsberg, M. M., 1 Feb 2012, In : Neurochemistry International. 60, 3, p. 301-309 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Transgenic expression and activation of PGC-1 alpha protect dopaminergic neurons in the MPTP mouse model of Parkinson's disease

Mudo, G., Mäkelä, J., Di Liberto, V., Tselykh, T. V., Olivieri, M., Piepponen, T. P., Eriksson-Rosenberg, O., Malkia, A., Bonomo, A., Kairisalo, M., Aguirre, J. A., Korhonen, L., Belluardo, N. & Lindholm, D., 2012, In : Cellular and Molecular Life Sciences. 69, 7, p. 1153-1165 13 p.

Research output: Contribution to journalArticleScientificpeer-review

2013

Characterization of the Structural and Functional Determinants of MANF/CDNF in Drosophila In Vivo Model

Lindström, R., Lindholm, P. K., Kallijärvi, J., Yu, L., Piepponen, T. P., Arumäe, U., Saarma, M. & Heino, T., 2013, In : PLoS One. 8, 9, 12 p., e73928.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Pharmacological Characterisation of a Structurally Novel alpha(2C)-Adrenoceptor Antagonist ORM-10921 and its Effects in Neuropsychiatric Models

Sallinen, J., Holappa, J., Koivisto, A., Kuokkanen, K., Chapman, H., Lehtimaki, J., Piepponen, P., Mijatovic, J., Tanila, H., Virtanen, R., Sirviö, J. & Haapalinna, A., Oct 2013, In : Basic & Clinical Pharmacology & Toxicology. 113, 4, p. 239-249 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2014

Mice deficient in transmembrane prostatic acid phosphatase display increased GABAergic transmission and neurological alterations.

Nousiainen, H., Quintero, IB., Myöhänen, T. T., Voikar, V., Mijatovic, J., Segerstråle, M., Herrala, A. M., Kulesskaya, N., Pulkka, A., Kivinummi, T., Abo Ramadan, U., Taira, T., Piepponen, T. P., Rauvala, H. & Vihko, P., 2014, In : PLoS One. 9, 5, 15 p., e97851.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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