Search Results - "Varrone, A."

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    Test–retest reproducibility of [11C]PBR28 binding to TSPO in healthy control subjects by Collste, K., Forsberg, A., Varrone, A., Amini, N., Aeinehband, S., Yakushev, I., Halldin, C., Farde, L., Cervenka, S.

    “…Purpose The PET radioligand [ 11 C]PBR28 binds to the translocator protein (TSPO), a marker of brain immune activation. We examined the reproducibility of [ 11…”
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    Journal Article
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    Longitudinal DAT changes measured with [18F]FE-PE2I PET in patients with Parkinson’s disease; a validation study by Kerstens, V.S., Fazio, P., Sundgren, M., Brumberg, J., Halldin, C., Svenningsson, P., Varrone, A.

    Published in NeuroImage clinical (2023)
    “…•[18F]FE-PE2I measures of DAT decline in PD agree with other radioligands.•It has, however, improved effect sizes for measuring intraindividual DAT…”
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    Journal Article
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    Dopamine transporter imaging in neurodegenerative movement disorders: PET vs. SPECT by Kerstens, Vera S., Varrone, A.

    “…Purpose The dopamine transporter (DAT) serves as biomarker for parkinsonian syndromes. DAT can be measured in vivo with single-photon emission computed…”
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    Journal Article
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    Development of a novel fluorine-18 labeled deuterated fluororasagiline ([18F]fluororasagiline-D2) radioligand for PET studies of monoamino oxidase B (MAO-B) by Nag, S., Lehmann, L., Kettschau, G., Toth, M., Heinrich, T., Thiele, A., Varrone, A., Halldin, C.

    Published in Bioorganic & medicinal chemistry (01-11-2013)
    “…Fluorine-18 labeled deuterated analogue of fluororasagiline for detection of MAO-B activity by PET. The objective of this study was to synthesize and evaluate…”
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    Journal Article
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    New developments of dopaminergic imaging in Parkinson's disease by Varrone, A, Halldin, C

    “…The development of radioligands for the dopaminergic system has provided suitable imaging biomarkers for clinical research in Parkinson's disease (PD) and…”
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    Journal Article
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    Mapping the distribution of serotonin transporter in the human brainstem with high-resolution PET: Validation using postmortem autoradiography data by Fazio, P., Schain, M., Varnäs, K., Halldin, C., Farde, L., Varrone, A.

    Published in NeuroImage (Orlando, Fla.) (01-06-2016)
    “…The human brainstem is a complex structure with several small nuclei and neural pathways of interest in the pathophysiology of central nervous system (CNS)…”
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    Journal Article
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    Synthesis and evaluation of [18F]fluororasagiline, a novel positron emission tomography (PET) radioligand for monoamine oxidase B (MAO-B) by Nag, S., Lehmann, L., Kettschau, G., Heinrich, T., Thiele, A., Varrone, A., Gulyas, B., Halldin, C.

    Published in Bioorganic & medicinal chemistry (01-05-2012)
    “…Development of novel PET radioligand for MAO-B. The aim of this study was to synthesize and evaluate a novel fluorine-18 labeled analogue of rasagiline (6) as…”
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    Journal Article
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    Fenfluramine-induced serotonin release decreases [11C]AZ10419369 binding to 5-HT1B-receptors in the primate brain by Finnema, S.J., Varrone, A., Hwang, T.J., Gulyás, B., Pierson, M.E., Halldin, C., Farde, L.

    Published in Synapse (New York, N.Y.) (01-07-2010)
    “…The need for positron emission tomography (PET)‐radioligands that are sensitive to changes in endogenous serotonin (5‐HT) levels in brain is recognized in…”
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    Journal Article
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    Abstract # 1847 Cross-sectional and longitudinal associations between immune cells in blood and brain – A TSPO PET study in healthy control subjects by Kanegawa, N, Collste, K, Forsberg, A, Schain, M, Arakawa, R, Jucaite, A, Lekander, M, Höglund, C. Olgart, Kosek, E, Lampa, J, Halldin, C, Farde, L, Varrone, A, Cervenka, S

    Published in Brain, behavior, and immunity (01-10-2016)
    “…The interaction between immune cells in the periphery and brain in humans is poorly understood, partly due to the lack of in vivo studies. Here, we examined 32…”
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    Journal Article
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    Synthesis and biological evaluation of novel propargyl amines as potential fluorine-18 labeled radioligands for detection of MAO-B activity by Nag, S., Kettschau, G., Heinrich, T., Varrone, A., Lehmann, L., Gulyas, B., Thiele, A., Keller, É., Halldin, C.

    Published in Bioorganic & medicinal chemistry (01-01-2013)
    “…(S)-1-[18F]fluoro-N,4-dimethyl-N-(prop-2-ynyl)pentan-2-amine a new fluorine-18 labelled radioligands for detection of MAO-B activity by PET. The aim of this…”
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    Journal Article
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    145. Translocator protein (TSPO) as a biomarker of microglia activation: PET imaging using [11C]PBR28 in Parkinson’s disease by Jucaite, A, Cselényi, Z, Varrone, A, Varnäs, K, Johnström, P, Halldin, C, Salter, H, McLoughlin, M.J, Rinne, J, Svenningsson, P, Alexander, R, Kugler, A, Farde, L

    Published in Brain, behavior, and immunity (01-09-2013)
    “…Positron emission tomography (PET) studies in Parkinson’s’ disease (PD) using the radioligand [11C]PK11195 have demonstrated increased binding to TSPO, in…”
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    Journal Article
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    Synthesis of three F-18 labeled analogues ofl-deprenyl for PET studies of monoamine oxidase B by Nag, S., Lehmann, L., Kettschau, G., Heinrich, T., Brumby, T., Thiele, A., Varrone, A., Gulyas, B., Halldin, C.

    Published in NeuroImage (Orlando, Fla.) (01-08-2010)
    “…Monoamine oxidases are important enzymes regulating the levels of monoaminergic neurotransmitters and of bioactive monoamines by catalyzing their deamination…”
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    Journal Article
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    Confirmation of fenfluramine effect on 5-HT1B binding of [11C]AZ10419369 using an equilibrium approach by Finnema, S.J., Varrone, A., Hwang, T.J., Farde, L., Halldin, C.

    Published in NEUROIMAGE (01-08-2010)
    “…Introduction: We previously reported an initial PET-study evaluating the effect of (±)-fenfluramine-induced serotonin release on the binding of the selective…”
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    Journal Article Conference Proceeding
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