RIIKKA IMMONEN

Contact info

Keywords

RESEARCH GROUPS - UEF

• 
  Biomedical MRI

Publications

• A Computational Diffusion MRI Framework for Biomarker Discovery in a Rodent Model of Post-Traumatic Epileptogenesis. Cabeen, Ryan P; Immonen, Riikka; Harris, Neil G; Gröhn, Olli; Smith, Gregory; Manninen, Eppu; Garner, Rachael; Duncan, Dominique; Pitkänen, Asla; Toga, Arthur W / 2020 IEEE 17th International Symposium on Biomedical Imaging (ISBI). 2020. 2020
• Anwer, M; Immonen, R; Hayward, NMEA; Ndode-Ekane, XE; Puhakka, N; Gröhn, O; Pitkänen, A. 2019. Lateral fluid-percussion injury leads to pituitary atrophy in rats Scientific reports 9 1: 11819. 2019
• Casillas-Espinosa, PM; Andrade, P; Santana-Gomez, C; Paananen, T; Smith, G; Ali, I; Ciszek, R; Ndode-Ekane, XE; Brady, RD; Tohka, J; Hudson, MR; Perucca, P; Braine, EL; Immonen, R; Puhakka, N; Shultz, SR; Jones, NC; Staba, RJ; Pitkänen, A; O'Brien, TJ. 2019. Harmonization of the pipeline for seizure detection to phenotype post-traumatic epilepsy in a preclinical multicenter study on post-traumatic epileptogenesis Epilepsy research 156: 106131. 2019
• Immonen, R; Smith, G; Brady, RD; Wright, D; Johnston, L; Harris, NG; Manninen, E; Salo, R; Branch, C; Duncan, D; Cabeen, R; Ndode-Ekane, XE; Gomez, CS; Casillas-Espinosa, PM; Ali, I; Shultz, SR; Andrade, P; Puhakka, N; Staba, RJ; O'Brien, TJ; et al.. 2019. Harmonization of pipeline for preclinical multicenter MRI biomarker discovery in a rat model of post-traumatic epileptogenesis Epilepsy research 150: 46-57. 2019
• Ndode-Ekane, XE; Santana-Gomez, C; Casillas-Espinosa, PM; Ali, I; Brady, RD; Smith, G; Andrade, P; Immonen, R; Puhakka, N; Hudson, MR; Braine, EL; Shultz, SR; Staba, RJ; O'Brien, TJ; Pitkänen, A. 2019. Harmonization of lateral fluid-percussion injury model production and post-injury monitoring in a preclinical multicenter biomarker discovery study on post-traumatic epileptogenesis Epilepsy research 151: 7-16. 2019
• Santana-Gomez, C; Andrade, P; Hudson, MR; Paananen, T; Ciszek, R; Smith, G; Ali, I; Rundle, BK; Ndode-Ekane, XE; Casillas-Espinosa, PM; Immonen, R; Puhakka, N; Jones, N; Brady, RD; Perucca, P; Shultz, SR; Pitkänen, A; O'Brien, TJ; Staba, R. 2019. Harmonization of pipeline for detection of HFOs in a rat model of post-traumatic epilepsy in preclinical multicenter study on post-traumatic epileptogenesis Epilepsy research 156: 106110. 2019
• Yasmin, Amna; Pitkänen, Asla; Jokivarsi, Kimmo; Poutiainen, Pekka; Gröhn, Olli; Immonen, Riikka. 2019. MRS Reveals Chronic Inflammation in T2w MRI-Negative Perilesional Cortex - A 6-Months Multimodal Imaging Follow-Up Study Frontiers in neuroscience 13: 863. 2019
• Ciszek, R; Ndode-Ekane, XE; Gomez, CS; Casillas-Espinosa, PM; Ali, I; Smith, G; Puhakka, N; Lapinlampi, N; Andrade, P; Kamnaksh, A; Immonen, R; Paananen, T; Hudson, MR; Brady, RD; Shultz, SR; O'Brien, TJ; Staba, RJ; Tohka, J; Pitkänen, A. 2018. Informatics tools to assess the success of procedural harmonization in preclinical multicenter biomarker discovery study on post-traumatic epileptogenesis EPILEPSY RESEARCH 2019; 150: 17-26. 2018
• Immonen, Riikka; Harris, Neil G; Wright, David; Johnston, Leigh; Manninen, Eppu; Smith, Gregory; Paydar, Afshin; Branch, Craig; Grohn Olli. 2018. Imaging biomarkers of epileptogenecity after traumatic brain injury - Preclinical frontiers Neurobiology of disease 2019; 123: 75-85. 2018
• Kamnaksh, A; Puhakka, N; Ali, I; Smith, G; Aniceto, R; McCullough, J; Das Gupta, S; Ndode-Ekane, XE; Brady, R; Casillas-Espinosa, P; Hudson, M; Santana-Gomez, C; Immonen, R; Abreu, PA; Jones, N; Shultz, S; Staba, RJ; O'Brien, TJ; Agoston, D; Pitkänen, A. 2018. Harmonization of pipeline for preclinical multicenter plasma protein and miRNA biomarker discovery in a rat model of post-traumatic epileptogenesis EPILEPSY RESEARCH 2019; 149: 92-101. 2018
• van Vliet EA, Dedeurwaerdere S, Cole AJ, Friedman A, Koepp MJ, Potschka H, Immonen R, Pitkänen A, Federico P. 2016. WONOEP appraisal: Imaging biomarkers in epilepsy. EPILEPSIA (NY) 58 3: 315-330. 2016
• Pitkänen A, Immonen R, Ndode-Ekane X, Gröhn O, Stöhr T, Nissinen J. 2014. Effect of lacosamide on structural damage and functional recovery after traumatic brain injury in rats. EPILEPSY RESEARCH 2014 May;108(4): 653-65. 2014
• Pitkänen Asla, Immonen Riitta. 2014. Epilepsy related to traumatic brain injury. NEUROTHERAPEUTICS 11 2: 286-296. 2014
• Pitkänen Asla, Kemppainen Samuli, Ndode-Ekane Xavier Ekolle, Huusko Noora, Huttunen Joanna K, Gröhn Olli, Immonen Riikka, Sierra Alejandra, Bolkvadze Tamuna. 2014. Posttraumatic epilepsy - Disease or comorbidity?. EPILEPSY & BEHAVIOR 2014 Feb 11. [Epub ahead of print]: --. 2014
• Hemminki O, Immonen R, Närväinen J, Kipar A, Paasonen J, Jokivarsi KT, Yli-Ollila H, Soininen P, Partanen K, Joensuu T, Parvianen S, Pesonen SK, Koski A, Vähä-Koskela M, Cerullo V, Pesonen S, Gröhn OH, Hemminki A. 2013. In vivo magnetic resonance imaging and spectroscopy identifies oncolytic adenovirus responders. INTERNATIONAL JOURNAL OF CANCER 6 DEC 2013 [Epub ahead of print]: --. 2013
• Immonen R, Kharatishvili I, Gröhn O, Pitkänen A. 2013. MRI biomarkers for post-traumatic epileptogenesis.. JOURNAL OF NEUROTRAUMA (NEW YORK NY) 2013 Jul 15;30(14): 1305-9. 2013
• Gröhn O, Sierra A, Immonen R, Laitinen T, Lehtimäki K, Airaksinen A, Hayward N, Nairismagi J, Lehto L, Pitkänen A. 2011. Multimodal MRI assessment of damage and plasticity caused by status epilepticus in the rat brain EPILEPSIA (NY) 52(Suppl. 8): 57-60. 2011
• Hayward Nick Mark Edward Alexander, Tuunanen Pasi, Immonen Riikka, Ndode-Ekane Xavier Ekolle, Pitkänen Asla, Gröhn Olli. 2011. Magnetic resonance imaging of regional hemodynamic and cerebrovascular recovery after lateral fluid-percussion brain injury in rats. Journal of Cerebral Blood Flow & Metabolism 31: 166-177. 2011
• Pitkänen Asla, Bolkvadze Tamuna, Immonen Riikka. 2011. Anti-epileptogenesis in rodent post-traumatic epilepsy models NEUROSCIENCE LETTERS 497: 163-171. 2011
• Hayward NM, Immonen R, Tuunanen PI, Ndode-Ekane XE, Gröhn O & Pitkänen A. 2010. Association of chronic vascular changes with functional outcome after traumatic brain injury in rats JOURNAL OF NEUROTRAUMA (NEW YORK NY) 27: 2203-2219. 2010
• Immonen R, Heikkinen T, Tähtivaara L, Nurmi A, Stenius TK, Puoliväli J, Tuinstra T, Phinney AL, Van Vliet B, Yrjänheikki J et al. 2010. Cerebral blood volume alterations in the perilesional areas in the rat brain after traumatic brain injury¿comparison with behavioral outcome Journal of Cerebral Blood Flow & Metabolism 30: 1318 -1328. 2010
• Immonen RJ, Kharatishvili I, Gröhn H, Pitkänen A, Gröhn OHJ. 2009. Quantitative MRI predicts long-term structural and functional outcome after experimental traumatic brain injury NEUROIMAGE 45: 1-9. 2009
• Immonen RJ, Kharatishvili I, Niskanen J-P, Gröhn H, Pitkänen A, Gröhn OHJ. 2009. Distinct MRI pattern in lesional and perilesional area after traumatic brain injury in rat - 11 months follow-up. EXPERIMENTAL NEUROLOGY 215: 29-40. 2009
• Kharatishvili I, Sierra A, Immonen RJ, Gröhn OHJ, Pitkänen A. 2009. Quantitative T2 mapping as a potential marker for the initial assessment of the severity of damage after traumatic brain injury in rat. EXPERIMENTAL NEUROLOGY 217: 154-164. 2009
• Pitkänen A, Immonen RJ, Gröhn OH, Kharatishvili I. 2009. From traumatic brain injury to posttraumatic epilepsy: what animal models tell us about the process and treatment options. EPILEPSIA. SUPPLEMENT 50 2: 21-29. 2009
• Immonen R. 2008. Magnetic Resonance Imaging of Progressive Changes in Traumatic Brain Injury and Epileptogenesis. Kuopion yliopiston julkaisuja G.- A.I. Virtanen -instituutti. 2008
• Immonen RJ, Kharatishvili I, Sierra A, Einula C, Pitkänen A, Gröhn OH. 2008. Manganese enhanced MRI detects mossy fiber sprouting rather than neurodegeneration, gliosis or seizure-activity in the epileptic rat hippocampus NEUROIMAGE 40: 1718-1730. 2008
• Kharatishvili I, Immonen R, Gröhn O, Pitkänen A. 2007. Quantitative diffusion MRI of hippocampus as a surrogate marker for post-traumatic epileptogenesis. BRAIN 130 12: 3155-3168. 2007
• Pitkänen A, Kharatisvili I, Karhunen H, Lukasiuk K, Immonen R, Nairismägi J, Gröhn O, Nissinen J. 2007. Epileptogenesis in experimental models. EPILEPSIA. SUPPLEMENT 48 2: 13-20. 2007