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Olli Gröhn

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Haja-Sherief N Musthafa; Lyubomir Petrov; Elias Ylä-Herttuala; Seppo Ylä-Herttuala; Galina Dragneva; Olli H J Gröhn; Tommi Heikura; Line Lottonen; Mari Merentie; Timo Liimatainen
Longitudinal rotating frame relaxation time measurements in infarcted mouse myocardium in vivo.
Juha-Pekka Niskanen; Jari Nissinen; Asla Pitkänen; Alejandra Sierra; Antti M Airaksinen; Joanna K Huttunen; Pasi A Karjalainen; Olli H J Gröhn
Monitoring functional impairment and recovery after traumatic brain injury in rats by FMRI.
Antti M Airaksinen; Shahryar K Hekmatyar; Joanna K Huttunen; Neil Jerome; Risto A Kauppinen; Juha-Pekka Niskanen; Asla Pitkänen; Olli H J Gröhn
Simultaneous BOLD fMRI and local field potential measurements during kainic acid-induced seizures.

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2013: Haja-Sherief N Musthafa; Lyubomir Petrov; Elias Ylä-Herttuala; Seppo Ylä-Herttuala; Galina Dragneva; Olli H J Gröhn; Tommi Heikura; Line Lottonen; Mari Merentie; Timo Liimatainen
Longitudinal rotating frame relaxation time measurements in infarcted mouse myocardium in vivo.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2013;69(5):1389-95.
2013: Juha-Pekka Niskanen; Jari Nissinen; Asla Pitkänen; Alejandra Sierra; Antti M Airaksinen; Joanna K Huttunen; Pasi A Karjalainen; Olli H J Gröhn
Monitoring functional impairment and recovery after traumatic brain injury in rats by FMRI.
Journal of neurotrauma 2013;30(7):546-56.
2012: Antti M Airaksinen; Shahryar K Hekmatyar; Joanna K Huttunen; Neil Jerome; Risto A Kauppinen; Juha-Pekka Niskanen; Asla Pitkänen; Olli H J Gröhn
Simultaneous BOLD fMRI and local field potential measurements during kainic acid-induced seizures.
Epilepsia 2012;53(7):1245-53.
2011: Alejandra Sierra; Teemu Laitinen; Kimmo Kristian Lehtimäki; Lassi Rieppo; Asla Pitkänen; Olli H J Gröhn
Diffusion tensor MRI with tract-based spatial statistics and histology reveals undiscovered lesioned areas in kainate model of epilepsy in rat.
Brain structure & function 2011;216(2):123-35.
2011: Nick M E A Hayward; Pavel Yanev; Annakaisa Haapasalo; Riitta Miettinen; Mikko Hiltunen; Olli H J Gröhn; Jukka Jolkkonen
Chronic hyperperfusion and angiogenesis follow subacute hypoperfusion in the thalamus of rats with focal cerebral ischemia.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2011;31(4):1119-32.
2011: Joanna K Huttunen; Juha-Pekka Niskanen; Lauri J Lehto; Antti M Airaksinen; Eini I Niskanen; Markku Penttonen; Olli H J Gröhn
Evoked local field potentials can explain temporal variation in blood oxygenation level-dependent responses in rat somatosensory cortex.
NMR in biomedicine 2011;24(2):209-15.
2011: Nick Mark Edward Alexander Hayward; Pasi I Tuunanen; Riikka Immonen; Xavier Ekolle Ndode-Ekane; Asla Pitkänen; Olli H J Gröhn
Magnetic resonance imaging of regional hemodynamic and cerebrovascular recovery after lateral fluid-percussion brain injury in rats.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2011;31(1):166-77.
2010: Viktória Prantner; Hanna Isaksson; Johanna Närväinen; Eveliina Lammentausta; Mikko J Nissi; Janne Avela; Olli H J Gröhn; Jukka S Jurvelin
NMR relaxation times of trabecular bone-reproducibility, relationships to tissue structure and effects of sample freezing.
Physics in medicine and biology 2010;55(23):7363-75.
2010: Nick M E A Hayward; Riikka Immonen; Pasi I Tuunanen; Xavier Ekolle Ndode-Ekane; Olli H J Gröhn; Asla Pitkänen
Association of chronic vascular changes with functional outcome after traumatic brain injury in rats.
Journal of neurotrauma 2010;27(12):2203-19.
2010: Nick M E A Hayward; Xavier Ekolle Ndode-Ekane; Nino Kutchiashvili; Olli H J Gröhn; Asla Pitkänen
Elevated cerebral blood flow and vascular density in the amygdala after status epilepticus in rats.
Neuroscience letters 2010;484(1):39-42.
2010: Kimmo T Jokivarsi; Yrjö Hiltunen; Heidi Gröhn; Pasi Tuunanen; Olli H J Gröhn; Risto A Kauppinen
Estimation of the onset time of cerebral ischemia using T1rho and T2 MRI in rats.
Stroke; a journal of cerebral circulation 2010;41(10):2335-40.
2010: Antti M Airaksinen; Juha-Pekka Niskanen; Ryan Chamberlain; Joanna K Huttunen; Jari Nissinen; Michael Garwood; Asla Pitkänen; Olli H J Gröhn
Simultaneous fMRI and local field potential measurements during epileptic seizures in medetomidine-sedated rats using raser pulse sequence.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2010;64(4):1191-9.
2010: Teemu Laitinen; Alejandra Sierra; Asla Pitkänen; Olli H J Gröhn
Diffusion tensor MRI of axonal plasticity in the rat hippocampus.
NeuroImage 2010;51(2):521-30.
2010: X E Ndode-Ekane; N Hayward; Olli H J Gröhn; Asla Pitkänen
Vascular changes in epilepsy: functional consequences and association with network plasticity in pilocarpine-induced experimental epilepsy.
Neuroscience 2010;166(1):312-32.
2010: Kimmo T Jokivarsi; Yrjö Hiltunen; Pasi I Tuunanen; Risto A Kauppinen; Olli H J Gröhn
Correlating tissue outcome with quantitative multiparametric MRI of acute cerebral ischemia in rats.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2010;30(2):415-27.
2009: Irina Kharatishvili; Alejandra Sierra; Riikka J Immonen; Olli H J Gröhn; Asla Pitkänen
Quantitative T2 mapping as a potential marker for the initial assessment of the severity of damage after traumatic brain injury in rat.
Experimental neurology 2009;217(1):154-64.
2009: Riikka J Immonen; Irina Kharatishvili; Heidi Gröhn; Asla Pitkänen; Olli H J Gröhn
Quantitative MRI predicts long-term structural and functional outcome after experimental traumatic brain injury.
NeuroImage 2009;45(1):1-9.
2009: Asla Pitkänen; Riikka J Immonen; Olli H J Gröhn; Irina Kharatishvili
From traumatic brain injury to posttraumatic epilepsy: what animal models tell us about the process and treatment options.
Epilepsia 2009;50 Suppl 2():21-9.
2009: Kimmo T Jokivarsi; Juha-Pekka Niskanen; Shalom Michaeli; Heidi I Gröhn; Michael Garwood; Risto A Kauppinen; Olli H J Gröhn
Quantitative assessment of water pools by T 1 rho and T 2 rho MRI in acute cerebral ischemia of the rat.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2009;29(1):206-16.
2008: A Sierra; S Michaeli; Juha-Pekka Niskanen; Piia Valonen; Heidi I Gröhn; Seppo Ylä-Herttuala; Michael Garwood; Olli H J Gröhn
Water spin dynamics during apoptotic cell death in glioma gene therapy probed by T1rho and T2rho.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2008;59(6):1311-9.
2008: Timo J Liimatainen; Arja T Erkkilä; Piia Valonen; Helvi Vidgren; Merja Lakso; Garry Wong; Olli H J Gröhn; Seppo Ylä-Herttuala; Juhana M Hakumäki
1H MR spectroscopic imaging of phospholipase-mediated membrane lipid release in apoptotic rat glioma in vivo.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2008;59(6):1232-8.
2008: Adrian R Parry-Jones; Timo Liimatainen; Risto A Kauppinen; Olli H J Gröhn; Nancy J Rothwell
Interleukin-1 exacerbates focal cerebral ischemia and reduces ischemic brain temperature in the rat.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2008;59(6):1239-49.
2008: Riikka J Immonen; Irina Kharatishvili; Alejandra Sierra; Christine Einula; Asla Pitkänen; Olli H J Gröhn
Manganese enhanced MRI detects mossy fiber sprouting rather than neurodegeneration, gliosis or seizure-activity in the epileptic rat hippocampus.
NeuroImage 2008;40(4):1718-30.
2008: Joanna Huttunen; Olli H J Gröhn; Markku Penttonen
Coupling between simultaneously recorded BOLD response and neuronal activity in the rat somatosensory cortex.
NeuroImage 2008;39(2):775-85.
2008: Tuomas T Rissanen; Petra Korpisalo; Henna Karvinen; Timo Liimatainen; Svetlana Laidinen; Olli H J Gröhn; Seppo Ylä-Herttuala
High-resolution ultrasound perfusion imaging of therapeutic angiogenesis.
JACC. Cardiovascular imaging 2008;1(1):83-91.
2007: Irina Kharatishvili; Riikka Immonen; Olli H J Gröhn; Asla Pitkänen
Quantitative diffusion MRI of hippocampus as a surrogate marker for post-traumatic epileptogenesis.
Brain : a journal of neurology 2007;130(Pt 12):3155-68.
2007: Jukka Jolkkonen; Kimmo Jokivarsi; Teemu Laitinen; Olli H J Gröhn
Subacute hemorrhage and resolution of edema in Rose Bengal stroke model in rats coincides with improved sensorimotor functions.
Neuroscience letters 2007;428(2-3):99-102.
2007: Julien Valette; Jang-Yeon Park; Olli H J Gröhn; Kāmil Uğurbil; Michael Garwood; Pierre-Gilles Henry
Spectroscopic imaging with volume selection by unpaired adiabatic pi pulses: theory and application.
Journal of magnetic resonance (San Diego, Calif. : 1997) 2007;189(1):1-12.
2007: Jani Räty; Timo Liimatainen; Minna Unelma Kaikkonen; Olli H J Gröhn; Kari Juhani Airenne; Kari Jumani Airenne; Seppo Ylä-Herttuala
Non-invasive Imaging in Gene Therapy.
Molecular therapy : the journal of the American Society of Gene Therapy 2007;15(9):1579-86.
2007: Mikko I Kettunen; Alejandra Sierra; M Johanna Närväinen; Piia Valonen; Seppo Ylä-Herttuala; Risto A Kauppinen; Olli H J Gröhn
Low spin-lock field T1 relaxation in the rotating frame as a sensitive MR imaging marker for gene therapy treatment response in rat glioma.
Radiology 2007;243(3):796-803.
2007: Kimmo T Jokivarsi; Heidi I Gröhn; Olli H J Gröhn; Risto A Kauppinen
Proton transfer ratio, lactate, and intracellular pH in acute cerebral ischemia.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2007;57(4):647-53.
2007: Ivana Kholová; Suvi Koota; Nina Kaskenpää; Pia Leppänen; Johanna Närväinen; Martin Kavec; Tuomas T Rissanen; Thierry Hazes; Petra Korpisalo; Olli H J Gröhn; Seppo Ylä-Herttuala
Adenovirus-mediated gene transfer of human vascular endothelial growth factor-d induces transient angiogenic effects in mouse hind limb muscle.
Human gene therapy 2007;18(3):232-44.
2007: Olli H J Gröhn; Asla Pitkänen
Magnetic resonance imaging in animal models of epilepsy-noninvasive detection of structural alterations.
Epilepsia 2007;48 Suppl 4():3-10.
2007: Asla Pitkänen; Irina Kharatishvili; Heli Karhunen; Katarzyna Lukasiuk; Riikka Immonen; Jaak Nairismägi; Olli H J Gröhn; Jari Nissinen
Epileptogenesis in experimental models.
Epilepsia 2007;48 Suppl 2():13-20.
2006: Timo Liimatainen; Juhana M Hakumäki; Ivan Tkác; Olli H J Gröhn
Ultra-short echo time spectroscopic imaging in rats: implications for monitoring lipids in glioma gene therapy.
NMR in biomedicine 2006;19(5):554-9.
2006: Antti Nurmi; Gundars Goldsteins; Johanna Närväinen; Rea Pihlaja; Toni Ahtoniemi; Olli H J Gröhn; Jari Koistinaho
Antioxidant pyrrolidine dithiocarbamate activates Akt-GSK signaling and is neuroprotective in neonatal hypoxia-ischemia.
Free radical biology & medicine 2006;40(10):1776-84.
2006: Jaak Nairismägi; Asla Pitkänen; Susanna Narkilahti; Joanna Huttunen; Risto A Kauppinen; Olli H J Gröhn
Manganese-enhanced magnetic resonance imaging of mossy fiber plasticity in vivo.
NeuroImage 2006;30(1):130-5.
2005: Tuomas T Rissanen; Petra Korpisalo; Johanna E Markkanen; Timo Liimatainen; Maija-Riitta Ordén; Ivana Kholová; Anna de Goede; Tommi Heikura; Olli H J Gröhn; Seppo Ylä-Herttuala
Blood flow remodels growing vasculature during vascular endothelial growth factor gene therapy and determines between capillary arterialization and sprouting angiogenesis.
Circulation 2005;112(25):3937-46.
2005: Mikko I Kettunen; Olli H J Gröhn
Tumour gene therapy monitoring using magnetic resonance imaging and spectroscopy.
Current gene therapy 2005;5(6):685-96.
2005: Heidi I Gröhn; Shalom Michaeli; Michael Garwood; Risto A Kauppinen; Olli H J Gröhn
Quantitative T(1rho) and adiabatic Carr-Purcell T2 magnetic resonance imaging of human occipital lobe at 4 T.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2005;54(1):14-9.
2005: Piia Valonen; Julian L Griffin; Kimmo Kristian Lehtimäki; Timo Liimatainen; Jeremy K Nicholson; Olli H J Gröhn; Risto A Kauppinen
High-resolution magic-angle-spinning 1H NMR spectroscopy reveals different responses in choline-containing metabolites upon gene therapy-induced programmed cell death in rat brain glioma.
NMR in biomedicine 2005;18(4):252-9.
2005: Shalom Michaeli; Heidi I Gröhn; Olli H J Gröhn; Dennis J Sorce; Risto A Kauppinen; Charles S Springer; Kâmil Uğurbil; Michael Garwood
Exchange-influenced T2rho contrast in human brain images measured with adiabatic radio frequency pulses.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2005;53(4):823-9.
2005: Martin Kavec; Olli H J Gröhn; Heidi I Gröhn; Michael Garwood; Risto A Kauppinen
Dynamic dephasing changes in developing ischemic cerebral infarction in rats studied by Carr-Purcell T2 magnetic resonance imaging.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2005;53(4):960-4.
2004: Clifford R Jack; Michael Garwood; Thomas M Wengenack; Bret J Borowski; Geoffry L Curran; Joseph Lin; Gregor Adriany; Olli H J Gröhn; Roger Grimm; Joseph F. Poduslo
In vivo visualization of Alzheimer's amyloid plaques by magnetic resonance imaging in transgenic mice without a contrast agent.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2004;52(6):1263-71.
2004: Jaak Nairismägi; Olli H J Gröhn; Mikko I Kettunen; Jari Nissinen; Risto A Kauppinen; Asla Pitkänen
Progression of brain damage after status epilepticus and its association with epileptogenesis: a quantitative MRI study in a rat model of temporal lobe epilepsy.
Epilepsia 2004;45(9):1024-34.
2004: Martin Kavec; Olli H J Gröhn; Mikko I Kettunen; M Johanna Silvennoinen; Michael Garwood; Risto A Kauppinen
Acute cerebral ischemia in rats studied by Carr-Purcell spin-echo magnetic resonance imaging: assessment of blood oxygenation level-dependent and tissue effects on the transverse relaxation.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2004;51(6):1138-46.
2004: Mikko I Kettunen; Olli H J Gröhn; Risto A Kauppinen
Quantitative T1rho NMR spectroscopy of rat cerebral metabolites in vivo: effects of global ischemia.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2004;51(5):875-80.
2004: Piia Valonen; Kimmo Kristian Lehtimäki; Tuula H Väisänen; Mikko I Kettunen; Olli H J Gröhn; Seppo Ylä-Herttuala; Risto A Kauppinen
Water diffusion in a rat glioma during ganciclovir-thymidine kinase gene therapy-induced programmed cell death in vivo: correlation with cell density.
Journal of magnetic resonance imaging : JMRI 2004;19(4):389-96.
2004: Heidi I Mäkelä; Enrico De Vita; Olli H J Gröhn; Mikko I Kettunen; Martin Kavec; Mark Lythgoe; Michael Garwood; Roger J Ordidge; Risto A Kauppinen
B0 dependence of the on-resonance longitudinal relaxation time in the rotating frame (T1rho) in protein phantoms and rat brain in vivo.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2004;51(1):4-8.
2003: Olli H J Gröhn; Piia Valonen; Kimmo Kristian Lehtimäki; Tuula H Väisänen; Mikko I Kettunen; Seppo Ylä-Herttuala; Risto A Kauppinen; Michael Garwood
Novel magnetic resonance imaging contrasts for monitoring response to gene therapy in rat glioma.
Cancer research 2003;63(22):7571-4.
2003: Kimmo Kristian Lehtimäki; Piia Valonen; Julian L Griffin; Tuula H Väisänen; Olli H J Gröhn; Mikko I Kettunen; Jouko Vepsäläinen; Seppo Ylä-Herttuala; Jeremy Nicholson; Risto A Kauppinen
Metabolite changes in BT4C rat gliomas undergoing ganciclovir-thymidine kinase gene therapy-induced programmed cell death as studied by 1H NMR spectroscopy in vivo, ex vivo, and in vitro.
The Journal of biological chemistry 2003;278(46):45915-23.
2003: Selma K Kaasinen; Olli H J Gröhn; Tuomo A Keinänen; Leena Alhonen; Juhani Jänne
Overexpression of spermidine/spermine N1-acetyltransferase elevates the threshold to pentylenetetrazol-induced seizure activity in transgenic mice.
Experimental neurology 2003;183(2):645-52.
2003: Julian L Griffin; Kimmo Kristian Lehtimäki; Piia Valonen; Olli H J Gröhn; Mikko I Kettunen; Seppo Ylä-Herttuala; Asla Pitkänen; Jeremy K Nicholson; Risto A Kauppinen
Assignment of 1H nuclear magnetic resonance visible polyunsaturated fatty acids in BT4C gliomas undergoing ganciclovir-thymidine kinase gene therapy-induced programmed cell death.
Cancer research 2003;63(12):3195-201.
2003: Olli H J Gröhn; Heidi I Mäkelä; Jouko Lukkarinen; Lance DelaBarre; Joseph Lin; Michael Garwood; Risto A Kauppinen
On- and off-resonance T(1rho) MRI in acute cerebral ischemia of the rat.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2003;49(1):172-6.
2002: Johanna Kuhmonen; Jouko Lukkarinen; Olli H J Gröhn; Jukka Jolkkonen; Juhani Sivenius
Diazepam does not reduce infarct size in rats subjected to transient occlusion of the middle cerebral artery when normothermia is maintained.
The Journal of pharmacy and pharmacology 2002;54(11):1565-9.
2002: Mikko I Kettunen; Olli H J Gröhn; M Johanna Silvennoinen; Markku Penttonen; Risto A Kauppinen
Effects of intracellular pH, blood, and tissue oxygen tension on T1rho relaxation in rat brain.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2002;48(3):470-7.
2002: Heidi I Mäkelä; Mikko I Kettunen; Olli H J Gröhn; Risto A Kauppinen
Quantitative T(1rho) and magnetization transfer magnetic resonance imaging of acute cerebral ischemia in the rat.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2002;22(5):547-58.
2002: Juhana M Hakumäki; Olli H J Gröhn; Kristiina Tyynelä; Piia Valonen; Seppo Ylä-Herttuala; Risto A Kauppinen
Early gene therapy-induced apoptotic response in BT4C gliomas by magnetic resonance relaxation contrast T1 in the rotating frame.
Cancer gene therapy 2002;9(4):338-45.
2002: Mikko I Kettunen; Olli H J Gröhn; M Johanna Silvennoinen; Markku Penttonen; Risto A Kauppinen
Quantitative assessment of the balance between oxygen delivery and consumption in the rat brain after transient ischemia with T2 -BOLD magnetic resonance imaging.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2002;22(3):262-70.
2002: Asla Pitkänen; Jari Nissinen; Jaak Nairismägi; Katarzyna Lukasiuk; Olli H J Gröhn; Riitta Miettinen; Risto A Kauppinen
Progression of neuronal damage after status epilepticus and during spontaneous seizures in a rat model of temporal lobe epilepsy.
Progress in brain research 2002;135():67-83.
2001: Heidi I Mäkelä; Olli H J Gröhn; Mikko I Kettunen; Risto A Kauppinen
Proton exchange as a relaxation mechanism for T1 in the rotating frame in native and immobilized protein solutions.
Biochemical and biophysical research communications 2001;289(4):813-8.
2001: Olli H J Gröhn; Risto A Kauppinen
Assessment of brain tissue viability in acute ischemic stroke by BOLD MRI.
NMR in biomedicine 2001;14(7-8):432-40.
2001: Mikko I Kettunen; Olli H J Gröhn; Markku Penttonen; Risto A Kauppinen
Cerebral T1rho relaxation time increases immediately upon global ischemia in the rat independently of blood glucose and anoxic depolarization.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2001;46(3):565-72.
2001: Martin Kavec; Olli H J Gröhn; Mikko I Kettunen; M Johanna Silvennoinen; Markku Penttonen; Risto A Kauppinen
Use of spin echo T(2) BOLD in assessment of cerebral misery perfusion at 1.5 T.
Magma (New York, N.Y.) 2001;12(1):32-9.
2000: Mikko I Kettunen; Olli H J Gröhn; Jouko Lukkarinen; Pauli Vainio; M Johanna Silvennoinen; Risto A Kauppinen
Interrelations of T(1) and diffusion of water in acute cerebral ischemia of the rat.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2000;44(6):833-9.
2000: Tommi Saarelainen; Jouko Lukkarinen; Susanna Koponen; Olli H J Gröhn; Jukka Jolkkonen; Eija Koponen; Annakaisa Haapasalo; Leena Alhonen; Garry Wong; Jari Koistinaho; Risto A Kauppinen; Eero Castrén
Transgenic mice overexpressing truncated trkB neurotrophin receptors in neurons show increased susceptibility to cortical injury after focal cerebral ischemia.
Molecular and cellular neurosciences 2000;16(2):87-96.
2000: Olli H J Gröhn; Mikko I Kettunen; Markku Penttonen; JM Oja; Peter C M van Zijl; Risto A Kauppinen
Graded reduction of cerebral blood flow in rat as detected by the nuclear magnetic resonance relaxation time T2: a theoretical and experimental approach.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 2000;20(2):316-26.
1999: Olli H J Gröhn; Jouko Lukkarinen; M Johanna Silvennoinen; Asla Pitkänen; Peter C M van Zijl; Risto A Kauppinen
Quantitative magnetic resonance imaging assessment of cerebral ischemia in rat using on-resonance T(1) in the rotating frame.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 1999;42(2):268-76.
1999: Jouko Lukkarinen; Olli H J Gröhn; Leena Alhonen; Juhani Jänne; Risto A Kauppinen
Enhanced ornithine decarboxylase activity is associated with attenuated rate of damage evolution and reduction of infarct volume in transient middle cerebral artery occlusion in the rat.
Brain research 1999;826(2):325-9.
1998: Olli H J Gröhn; Jouko Lukkarinen; JM Oja; Peter C M van Zijl; John A Ulatowski; Richard J Traystman; Risto A Kauppinen
Noninvasive detection of cerebral hypoperfusion and reversible ischemia from reductions in the magnetic resonance imaging relaxation time, T2.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism 1998;18(8):911-20.
1998: Jouko Lukkarinen; Risto A Kauppinen; Olli H J Gröhn; JM Oja; Riitta Sinervirta; Aki Järvinen; Leena Alhonen; Juhani Jänne
Neuroprotective role of ornithine decarboxylase activation in transient focal cerebral ischaemia: a study using ornithine decarboxylase-overexpressing transgenic rats.
The European journal of neuroscience 1998;10(6):2046-55.
1998: harish poptani; AM Puumalainen; Olli H J Gröhn; Sami Loimas; R Kainulainen; Seppo Ylä-Herttuala; Risto A Kauppinen
Monitoring thymidine kinase and ganciclovir-induced changes in rat malignant glioma in vivo by nuclear magnetic resonance imaging.
Cancer gene therapy 1998;5(2):101-9.
1997: Jouko Lukkarinen; Olli H J Gröhn; Riitta Sinervirta; Aki Järvinen; Risto A Kauppinen; Juhani Jänne; Leena Alhonen
Transgenic rats as models for studying the role of ornithine decarboxylase expression in permanent middle cerebral artery occlusion.
Stroke; a journal of cerebral circulation 1997;28(3):639-45.
1996: Olli H J Gröhn; Risto A Kauppinen
Intracellular chelation of calcium prevents cell damage following severe hypoxia in the rat cerebral cortex as studied by NMR spectroscopy ex vivo.
Cell calcium 1996;20(6):509-14.
1996: Juhana M Hakumäki; Olli H J Gröhn; Tuula Pirttilä; Risto A Kauppinen
Increased macromolecular resonances in the rat cerebral cortex during severe energy failure as detected by 1H nuclear magnetic resonance spectroscopy.
Neuroscience letters 1996;212(3):151-4.