FM, FT Teemu Saari - UTU Research Portal

Teemu Saari
FM, FT

- Senior Researcher,
- Doctoral Candidate
Turku PET Centre (Independent units)

PET-keskus

tejusa@utu.fi

: https://orcid.org/0000-0002-3212-6906

Human Brown Fat Research Group

Cold-induced serum short-chain fatty acids act as markers of brown adipose tissue metabolism in humans (2025)
- Journal of Clinical Endocrinology and Metabolism
Monfort-Pires, Milena; U-Din, Mueez; de Mello, Vanessa; Saari, Teemu; Raiko, Juho; Kerminen, Edla; Rajander, Johan; Hanhineva, Kati; Fromme, Tobias; Landberg, Rikard; Klingenspor, Martin; Virtanen, Kirsi A.
Comparison of Automatic Segmentation and Preprocessing Approaches for Dynamic Total-Body 3D Pet Images with Different Pet Tracers (2025)
- Journal of Imaging Informatics in Medicine
Jaakkola, Maria K.; Rivera Pineda, Marcela Xiomara; Diaz, Rafael; Rantala, Maria; Jalo, Anna; Karpijoki, Henri; Saari, Teemu; Maaniitty, Teemu; Keller, Thomas; Louhi, Heli; Wahlroos, Saara; Haaparanta-Solin, Merja; Solin, Olof; Hentila, Jaakko; Helin, Jatta S.; Nissinen, Tuuli A.; Eskola, Olli; Rajander, Johan; Knuuti, Juhani; Virtanen, Kirsi A.; Hannukainen, Jarna C.; Lopez-Picon, Francisco; Klen, Riku
Segmentation of Dynamic Total-Body [18F]-FDG PET Images Using Unsupervised Clustering (2023)
- International Journal of Biomedical Imaging
Jaakkola Maria K., Rantala Maria, Jalo Anna, Saari Teemu, Hentilä Jaakko, Helin Jatta S., Nissinen Tuuli A., Eskola Olli, Rajander Johan, Virtanen Kirsi A., Hannukainen Jarna C., López-Picón Francisco, Klén Riku
Thermogenic Capacity of Human Supraclavicular Brown Fat and Cold-Stimulated Brain Glucose Metabolism (2023)
- Metabolites
U-Din Mueez, Rebelos Eleni, Saari Teemu, Niemi Tarja, Kuellmer Katharina, Eskola Olli, Fromme Tobias, Rajander Johan, Taittonen Markku, Klingenspor Martin, Nuutila Pirjo, Nummenmaa Lauri, Virtanen Kirsi A.
Brown and white adipose tissue metabolism in obesity: stimulation by cold and meal ingestion (2022) Saari Teemu
Obesity associated blunted subcutaneous adipose tissue blood flow after meal is improved after bariatric surgery (2022)
- Journal of Clinical Endocrinology and Metabolism
Saari Teemu, Koffert Jukka, Honka Henri, Kauhanen Saila, U-Din Mueez, Wierup Nils, Lindqvist Andreas, Groop Leif, Virtanen Kirsi, Nuutila Pirjo
Associations Between Brain Gray Matter Volumes and Adipose Tissue Metabolism in Healthy Adults (2021)
- Obesity
Raiko Juho RH, Tuulari Jetro J, Saari Teemu, Parkkola Riita, Savisto Nina, Nuutila Pirjo, Virtanen Kirsi
Changes in electrocardiogram parameters during acute nonshivering cold exposure and associations with brown adipose tissue activity, plasma catecholamine levels, and brachial blood pressure in healthy adults (2021)
- Physiological Reports
Raiko Juho, Saari Teemu, Orava Janne, Savisto Nina, Parkkola Riita, Haaparanta-Solin Merja, Nuutila Pirjo, Virtanen Kirsi
Basal and cold-induced fatty acid uptake of human brown adipose tissue is impaired in obesity (2020)
- Scientific Reports
Saari TJ, Raiko J , U-Din M, Niemi T, Taittonen M, Laine J, Savisto N, Haaparanta-Solin M, Nuutila P, Virtanen KA.
Exercise training alters lipoprotein particles independent of brown adipose tissue metabolic activity (2019)
- Obesity Science & Practice
P. Motiani J, Teuho T, Saari K. A, Virtanen S. M, Honkala R, Middelbeek L. J, Goodyear O, Eskola J, Andersson E, Löyttyniemi E, Hannukainen J.C, Nuutila P
Associations between brain grey matter volumes and adipose tissue metabolism in healthy adults (2018)
- Diabetologia
Raiko J, Tuulari J, Saari T, Parkkola R, Savisto N, Nuutila P, Virtanen K
Postprandial Oxidative Metabolism of Human Brown Fat Indicates Thermogenesis (2018)
- Cell Metabolism
Mueez U Din, Teemu Saari, Juho Raiko, Nobu Kudomi, Stefanie F. Maurer, Minna Lahesmaa, Tobias Fromme, Ez-Zoubir Amri, Martin Klingenspor, Olof Solin, Pirjo Nuutila, Kirsi A. Virtanen
Human brown adipose tissue temperature and fat fraction are related to its metabolic activity (2017)
- Journal of Clinical Endocrinology and Metabolism
Koskensalo Kalle, Raiko Juho, Saari Teemu, Saunavaara Virva, Eskola Olli, Nuutila Pirjo, Saunavaara Jani, Parkkola Riitta, Virtanen Kirsi A
Human Brown Fat Radiodensity Indicates Underlying Tissue Composition and Systemic Metabolic Health (2017)
- Journal of Clinical Endocrinology and Metabolism
Mueez U Din, Juho Raiko, Teemu Saari, Virva Saunavaara, Nobu Kudomi, Olof Solin, Riitta Parkkola, Pirjo Nuutila, Kirsi A. Virtanen
MR signal-fat-fraction analysis and T2*weighted imaging measure BAT reliably on humans without cold exposure (2017)
- Metabolism
Holstila M, Pesola M, Saari T, Koskensalo K, Raiko J, Borra RJH, Nuutila P, Parkkola R, Virtanen KA
Human brown adipose tissue [15O]O2 PET imaging in the presence and absence of cold stimulus (2016)
- European Journal of Nuclear Medicine and Molecular Imaging
Mueez u Din, Juho Raiko, Teemu Saari, Nobu Kudomi, Tuula Tolvanen, Vesa Oikonen, Jarmo Teuho, Hannu T Sipilä, Nina Savisto, Riitta Parkkola, Pirjo Nuutila, Kirsi A Virtanen
Human brown adipose tissue oxygen consumption after meal is similar to cold activated consumption (2015)
- Diabetologia
Din MU, Raiko J, Saari T, Kudomi N, Parkkola R, Nuutila P, Virtanen KA
Cold exposure increases the oxygen uptake rate of brown adipose tissue in humans (2014)
- Diabetologia
Din MU, Raiko J, Saari T, Tolvanen T, Oikonen V, Teuho J, Sipilä H, Savisto N, Nuutila P, Virtanen, KA
Impaired brown adipose tissue fatty acid metabolism in obese subjects (2014)
- Diabetologia
Saari T, Raiko J, Niemi T, Taittonen M, Laine J, Savisto N, Haaparanta-Solin M, Nuutila P, Virtanen K