Semi Helin - UTU Research Portal - UTU Research Portal

Semi Helin

- Doctoral Researcher,
Imaging and Clinical Diagnostics (Department of Clinical Medicine)
- Senior Researcher,
Turku PET Centre (Independent units)

semhel@utu.fi

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Lihavuus on yhteydessä opioidijärjestelmän muutokseen (2015)
- Duodecim
Karlsson Henry K, Tuominen Lauri, Tuulari Jetro J, Hirvonen Jussi, Parkkola Riitta, Helin Semi, Salminen Paulina, Nuutila Pirjo, Nummenmaa Lauri
Obesity Is Associated with Decreased mu-Opioid But Unaltered Dopamine D-2 Receptor Availability in the Brain (2015)
- Journal of NeuroscienceJournal of Cerebral Blood Flow and Metabolism
Karlsson HK, Tuominen L, Tuulari JJ, Hirvonen J, Parkkola R, Helin S, Salminen P, Nuutila P, Nummenmaa L
Test-retest reliability of (11)C-ORM-13070 in PET imaging of α2C-adrenoceptors in vivo in the human brain (2015)
- European Journal of Nuclear Medicine and Molecular Imaging
Jussi Lehto, Jere R. Virta, Vesa Oikonen, Anne Roivainen, Pauliina Luoto, Eveliina Arponen, Semi Helin, Johanna Hietamäki, Aila Holopainen, Marita Kailajärvi, Juha M. Peltonen, Juha Rouru, Jukka Sallinen, Kirsi Virtanen, Iina Volanen, Mika Scheinin, Juha O. Rinne
¹¹C-ORM-13070, a novel PET ligand for brain α₂C-adrenoceptors: radiometabolism, plasma pharmacokinetics, whole-body distribution and radiation dosimetry in healthy men. (2014)
- European Journal of Nuclear Medicine and Molecular Imaging
Luoto P, Suilamo S, Oikonen V, Arponen E, Helin S, Herttuainen J, Hietamäki J, Holopainen A, Kailajärvi M, Peltonen JM, Rouru J, Sallinen J, Scheinin M, Virta J, Virtanen K, Volanen I, Roivainen A, Rinne JO
6-[18F]Fluoro-l-DOPA Uptake in the Rat Pancreas is Dependent on the Tracer Metabolism (2014)
- Molecular Imaging and Biology
Kalliokoski T, Tuomela J, Haavisto L, Forsback S, Snellman A, Helin S, Gronroos TJ, Solin O, Haaparanta-Solin M
A PET Tracer for Brain α2C Adrenoceptors, 11C-ORM-13070: Radiosynthesis and Preclinical Evaluation in Rats and Knockout Mice (2014)
- Journal of Nuclear Medicine
Arponen E, Helin S, Marjamäki P, Grönroos T, Holm P, Löyttyniemi E, Någren K, Scheinin M, Haaparanta-Solin M, Sallinen J, Solin O
Dimeric [68Ga]DOTA-RGD Peptide Targeting αvβ3 Integrin Reveals Extracellular Matrix Alterations after Myocardial Infarction (2014)
- Molecular Imaging and Biology
Kiugel M, Dijkgraaf I, Kytö V, Helin S, Liljenbäck H, Saanijoki T, Yim CB, Oikonen V, Saukko P, Knuuti J, Roivainen A, Saraste A
[11C]PIB, [18F]FDG and MR imaging in patients with mild cognitive impairment (2013)
- European Journal of Nuclear Medicine and Molecular Imaging
Brück A, Virta JR, Koivunen J, Koikkalainen J, Scheinin NM, Helenius H, Någren K, Helin S, Parkkola R, Viitanen M, Rinne JO
Adenosine A2A receptors in secondary progressive multiple sclerosis: a [C-11]TMSX brain PET study (2013)
Rissanen E, Virta JR, Paavilainen T, Tuisku J, Helin S, Luoto P, Parkkola R, Rinne JO, Airas L
Radiolabelling of the norepinephrine transporter ligand [C-11]NS8880 and its evaluation in the rat (2013)
- Journal of Labelled Compounds and Radiopharmaceuticals
Journal of Labelled Compounds and Radiopharmaceuticals Helin S, Kirjavainen A, Arponen E, Forsback S, Marjamaki P, Haaparanta-Solin M, Bender D, Peters D, Solin O