Semi Helin - UTU Research Portal - UTU Research Portal

Semi Helin

- Senior Researcher,
Turku PET Centre (Independent units)

semhel@utu.fi

Publications

3 of 4

Folate receptor-targeted positron emission tomography of experimental autoimmune encephalomyelitis in rats (2019)
- Journal of Neuroinflammation
Elo P, Li X-G, Liljenback H, Helin S, Teuho J, Koskensalo K, Saunavaara V, Marjamäki P, Oikonen V, Virta J, Chen Q, Low PS, Knuuti J, Jalkanen S, Airas L, Roivainen A
(A1 Refereed original research article in a scientific journal)
Intranasal naloxone rapidly occupies brain mu-opioid receptors in human subjects (2019)
- NeuropsychopharmacologyJournal of Neuroscience
Jarkko Johansson, Jussi Hirvonen, Zsófia Lovró, Laura Ekblad, Valtteri Kaasinen, Olli Rajasilta, Semi Helin, Jouni Tuisku, Saija Sirén, Mirka Pennanen, Arvind Agrawal, Roger Crystal, Petri J. Vainio, Hannu Alho, Mika Scheinin
(A1 Refereed original research article in a scientific journal)
Midlife Insulin Resistance as a Predictor for Late-Life Cognitive Function and Cerebrovascular Lesions (2019)
- Journal of Alzheimer's DiseaseEuropean Journal of Pain
Toppala S, Ekblad LL, Lotjonen J, Helin S, Hurme S, Johansson J, Jula A, Karrasch M, Koikkalainen J, Laine H, Parkkola R, Viitanen M, Rinne JO
(A1 Refereed original research article in a scientific journal)
Regulation of human brown adipose tissue by adenosine and A2A receptors – studies with [15O]H2O and [11C]TMSX PET/CTBariatric surgery normalizes brain opioid receptors (2019)
- European Journal of Nuclear Medicine and Molecular ImagingMolecular Psychiatry
Minna Lahesmaa, Vesa Oikonen, Semi Helin, Pauliina Luoto, Mueez U Din, Alexander Pfeifer, Pirjo Nuutila, Kirsi A. Virtanen
(A1 Refereed original research article in a scientific journal)
Binge eating disorder and morbid obesity are associated with lowered mu-opioid receptor availability in the brain (2018)
- Psychiatry Research: Neuroimaging
Juho Joutsa, Henry K. Karlsson, Joonas Majuri,, Pirjo Nuutila, Semi Helin, Valtteri Kaasinen, Lauri Nummenmaa
(A1 Refereed original research article in a scientific journal)
Correction to: Regulation of human brown adipose tissue by adenosine and A2A receptors – studies with [15O]H2O and [11C]TMSX PET/CT (2018)
- European Journal of Nuclear Medicine and Molecular ImagingMolecular Psychiatry
Minna Lahesmaa, Vesa Oikonen, Semi Helin, Pauliina Luoto, Mueez U Din, Alexander Pfeifer, Pirjo Nuutila, Kirsi A. Virtanen
(Other publication)
Midlife insulin resistance, APOE genotype, and late-life brain amyloid accumulationAberrant mesolimbic dopamine-opiate interaction in obesity (2018)
- NeurologyNeuroImage
Ekblad LL, Johansson J, Helin S, Viitanen M, Laine H, Puukka P, Jula A, Rinne JO
(A1 Refereed original research article in a scientific journal)
Neuroinflammation appears early and then plateaus in a mouse model of Alzheimer's disease shown by PET imagingEffect of the myeloperoxidase inhibitor AZD3241 on microglia: a PET study in Parkinson's disease (2018)
- Journal of Nuclear MedicineBrain
Francisco R. López-Picón, Anniina Snellman, Olli Eskola, Semi Helin, Olof Solin, Merja Haaparanta-Solin, Juha O. Rinne
(A1 Refereed original research article in a scientific journal)
S-[F-18] THK-5117-PET and [C-11] PIB-PET Imaging in Idiopathic Normal Pressure Hydrocephalus in Relation to Confirmed Amyloid-beta Plaques and Tau in Brain BiopsiesLihavuus on yhteydessä opioidijärjestelmän muutokseen (2018)
- Journal of Alzheimer's Disease
Leinonen V, Rauramaa T, Johansson J, Bottelbergs A, Tesseur I, van der Ark P, Pemberton D, Koivisto AM, Jääskeläinen JE, Hiltunen M, Herukka SK, Blennow K, Zetterberg H, Jokinen P, Rokka J, Heliu S, Haaparanta-Solin M, Solin O, Okamura N, Kolb HC, Rinne JO
(A1 Refereed original research article in a scientific journal)
Applicability of [C-11]PIB micro-PET imaging for in vivo follow-up of anti-amyloid treatment effects in APP23 mouse model (2017)
- Neurobiology of Aging
Snellman A, Rokka J, Lopez-Picon FR, Helin S, Re F, Löyttyniemi E, Pihlaja R, Forloni G, Salmona M, Masserini M, Solin O, Rinne JO, Haaparanta-Solin M
(A1 Refereed original research article in a scientific journal)
Brain glucose metabolism and its relation to amyloid load in middle-aged adults with childhood-onset epilepsyObesity Is Associated with Decreased mu-Opioid But Unaltered Dopamine D-2 Receptor Availability in the Brain (2017)
- Epilepsy ResearchJournal of Neuroscience
Juho Joutsa, Juha O. Rinne, Mira Karrasch, Bruce Hermann, Jarkko Johansson, Anu Anttinen, Olli Eskola, Semi Helin, Shlomo Shinnar, Matti Sillanpää; TACOE study group
(A1 Refereed original research article in a scientific journal)
Feeding Releases Endogenous Opioids in Humans (2017)
Tuulari JJ, Tuominen L, de Boer FE, Hirvonen J, Helin S, Nuutila P, Nummenmaa L
(A1 Refereed original research article in a scientific journal)
Neurotransmitters behind pain relief with transcranial magnetic stimulation - positron emission tomography evidence for release of endogenous opioids (2017)
Lamusuo S, Hirvonen J, Lindholm P, Martikainen IK, Hagelberg N, Parkkola R, Taiminen T, Hietala J, Helin S, Virtanen A, Pertovaara A, Jaaskelainen SK
(A1 Refereed original research article in a scientific journal)
(2016)
Karlsson HK, Tuulari JJ, Tuominen L, Hirvonen J, Honka H, Parkkola R, Helin S, Salminen P, Nuutila P, Nummenmaa L
(Other publication)
Weight loss after bariatric surgery normalizes brain opioid receptors in morbid obesity (2016)
Karlsson HK, Tuulari JJ, Tuominen L, Hirvonen J, Honka H, Parkkola R, Helin S, Salminen P, Nuutila P, Nummenmaa L
(A1 Refereed original research article in a scientific journal)
(2015)
Tuominen L, Tuulari J, Karlsson H, Hirvonen J, Helin S, Salminen P, Parkkola R, Hietala J, Nuutila P, Nummenmaa L
(A1 Refereed original research article in a scientific journal)
(2015)
Jucaite A, Svenningsson P, Rinne JO, Cselenyi Z, Varnas K, Johnstrom P, Amini N, Kirjavainen A, Helin S, Minkwitz M, Kugler AR, Posener JA, Budd S, Halldin C, Varrone A, Farde L
(A1 Refereed original research article in a scientific journal)
(2015)
- Duodecim
Karlsson Henry K, Tuominen Lauri, Tuulari Jetro J, Hirvonen Jussi, Parkkola Riitta, Helin Semi, Salminen Paulina, Nuutila Pirjo, Nummenmaa Lauri
(Other publication)
(2015)
Karlsson HK, Tuominen L, Tuulari JJ, Hirvonen J, Parkkola R, Helin S, Salminen P, Nuutila P, Nummenmaa L
(A1 Refereed original research article in a scientific journal)
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
(A1 Refereed original research article in a scientific journal)