Semi Helin - UTU Research Portal - UTU Research Portal

Semi Helin

- Senior Researcher,
Turku PET Centre (Independent units)

semhel@utu.fi

Publications

2 of 4

Episodic memory and cortical amyloid pathology: PET study in cognitively discordant twin pairs (2021)
- Neurobiology of Aging
Lindgren Noora, Kaprio Jaakko, Karjalainen Tomi, Ekblad Laura, Helin Semi, Karrasch Mira, Teuho Jarmo, Rinne Juha O, Vuoksimaa Eero
(A1 Refereed original research article in a scientific journal)
Mesolimbic opioid-dopamine interaction is disrupted in obesity but recovered by weight loss following bariatric surgery (2021)
- Translational Psychiatry
Karlsson Henry K, Tuominen Lauri, Helin Semi, Salminen Pauliina, Nuutila Pirjo, Nummenmaa Lauri
(A1 Refereed original research article in a scientific journal)
Preoperative brain μ-opioid receptor availability predicts weight development following bariatric surgery in women (2021)
- JCI Insight
Karlsson Henry K, Tuominen Lauri, Helin Semi, Salminen Paulina, Nuutila Pirjo, Nummenmaa Lauri
(A1 Refereed original research article in a scientific journal)
Response to letter on use of functional imaging by 11C-metomidate PET for primary aldosteronism subtyping (2021)
- European Journal of Endocrinology
Soinio Minna, Luukkonen Anna-Kaarina, Seppänen Marko, Kemppainen Jukka, Seppänen Janne, Pienimäki Juha-Pekka, Leijon Helena, Vesterinen Tiina, Arola Johanna, Lantto Eila, Helin Semi, Tikkanen Ilkka, Metso Saara, Mirtti Tuomas, Heiskanen Ilkka, Norvio Leena, Tiikkainen Mirja, Tikkanen Tuula, Sane Timo, Välimäki Matti, Gomez-Sanchez Celso E, Pörsti Ilkka, Nuutila Pirjo, Nevalainen Pasi I, Matikainen Niina
(B1 Non-refereed article in a scientific journal)
Seasonal variation in the brain μ-opioid receptor availability (2021)
- Journal of Neuroscience
Sun Lihua, Tang Jing, Liljenbäck Heidi, Honkaniemi Aake, Virta Jenni, Isojärvi Janne, Karjalainen Tomi, Kantonen Tatu, Nuutila Pirjo, Hietala Jarmo, Kaasinen Valtteri, Kalliokoski Kari, Hirvonen Jussi, Scheinin Harry, Helin Semi, Eerola Kim, Savontaus Eriika, Yatkin Emrah, Rinne Juha O, Roivainen Anne, Nummenmaa Lauri
(A1 Refereed original research article in a scientific journal)
Association of neuroinflammation with episodic memory: a [11C]PBR28 PET study in cognitively discordant twin pairs (2020)
- Brain Communications
Noora Lindgren, Jouni Tuisku, Eero Vuoksimaa, Semi Helin, Mira Karrasch, Päivi Marjamäki, Jaakko Kaprio, Juha O Rinne
(A1 Refereed original research article in a scientific journal)
Decreased Availability of Adenosine 2A Receptors in the Caudate in Patients with Early Stage Parkinson’s Disease (2020)
- Movement Disorders
Imran Waggan, Eero Rissanen, Jouni Tuisku, Juho Joutsa, Semi Helin, Riitta Parkkola, Juha O. Rinne, Laura Airas
(Other publication)
Effect of Dopaminergic Medication on Adenosine 2A Receptor Availability in Patients with Parkinson’s Disease (2020) Imran Waggan, Jouni Tuisku, Markus Matilainen, Semi Helin, Riitta Parkkola, Eero Rissanen, Juha Rinne, Laura Airas,
(Other publication)
Elevated serum chemokine CCL22 levels in first-episode psychosis: associations with symptoms, peripheral immune state and in vivo brain glial cell function (2020)
- Translational Psychiatry
Heikki Laurikainen, Arja Vuorela, Anna Toivonen, Linnea Reinert-Hartwall, Kalevi Trontti, Maija Lindgren, Jaakko Keinänen, Teemu Mäntylä, Janina Paju, Tuula Ilonen, Reetta-Liina Armio, Maija Walta, Jouni Tuisku, Semi Helin, Päivi Marjamäki, Iiris Hovatta, Sebastian Therman, Outi Vaarala, Outi Linnaranta, Tuula Kieseppä, Raimo K. R. Salokangas, Jarno Honkanen, Jarmo Hietala, Jaana Suvisaari
(A1 Refereed original research article in a scientific journal)
Functional imaging with C-11-metomidate PET for subtype diagnosis in primary aldosteronism (2020)
- European Journal of Endocrinology
Minna Soinio, Anna-Kaarina Luukkonen, Marko Seppänen, Jukka Kemppainen, Janne Seppänen, Juha-Pekka Pienimäki, Helena Leijon , Tiina Vesterinen, Johanna Arola, Eila Lantto, Semi Helin, Ilkka Tikkanen, Saara Metso, Tuomas Mirtti, Ilkka Heiskanen, Leena Norvio, Mirja Tiikkainen, Tuula Tikkanen, Timo Sane, Matti Välimäki, Celso E Gomez-Sanchez, Ilkka Pörsti, Pirjo Nuutila, Pasi I Nevalainen, Niina Matikainen
(A1 Refereed original research article in a scientific journal)
68Ga-DOTA chelate, a novel imaging agent for assessment of myocardial perfusion and infarction detection in a rodent model (2019)
- Journal of Nuclear Cardiology
Anu Autio, Sauli Uotila, Max Kiugel, Ville Kytö, Heidi Liljenbäck, Nobuyuki Kudomi, Vesa Oikonen, Olli Metsälä, Semi Helin, Juhani Knuuti, Antti Saraste, Anne Roivainen
(A1 Refereed original research article in a scientific journal)
Brain beta-Amyloid and Atrophy in Individuals at Increased Risk of Cognitive Decline (2019)
- American Journal of Neuroradiology
Martikainen IK, Kemppainen N, Johansson J, Teuho J, Helin S, Liu Y, Helisalmi S, Soininen H, Parkkola R, Ngandu T, Kivipelto M, Rinne JO
(A1 Refereed original research article in a scientific journal)
Effects of age, BMI and sex on the glial cell marker TSPO - a multicentre [C-11]PBR28 HRRT PET study (2019)
- European Journal of Nuclear Medicine and Molecular Imaging
Tuisku J, Plaven-Sigray P, Gaiser EC, Airas L, Al-Abdulrasul H, Bruck A, Carson RE, Chen MK, Cosgrove KP, Ekblad L, Esterlis I, Farde L, Forsberg A, Halldin C, Helin S, Kosek E, Lekander M, Lindgren N, Marjamaki P, Rissanen E, Sucksdorff M, Varrone A, Collste K, Gallezot JD, Hillmer A, Huang YY, Hoglund CO, Johansson J, Jucaite A, Lampa J, Nabulsi N, Pittman B, Sandiego CM, Stenkrona P, Rinne J, Matuskey D, Cervenka S
(A1 Refereed original research article in a scientific journal)
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)
- Neuropsychopharmacology
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 Disease
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/CT (2019)
- European Journal of Nuclear Medicine and Molecular Imaging
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 Imaging
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 accumulation (2018)
- Neurology
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)