Doctor of Philosophy Tanja Sjöros - UTU Research Portal

Tanja Sjöros
Doctor of Philosophy

- Senior Researcher,
Clinical Neurosciences (Department of Clinical Medicine)

tanja.sjoros@utu.fi

+358 29 450 4746

+358 50 472 8599

Itäinen Pitkäkatu 4

Turku

ORCID identifier: https://orcid.org/0000-0003-4477-8175

Areas of expertise

Exercise physiology; metabolism; metabolic syndrome; skeletal muscle; exercise; physical activity; sedentary behaviour

Publications

1 of 2

Effects of reducing sedentary behavior on liver insulin sensitivity, liver fat content, and liver enzyme levels : a six-month randomized controlled trial (2025)
- American Journal of Physiology : Endocrinology and Metabolism
Laine, Saara; Sjöros, Tanja; Garthwaite, Taru; Honka, Miikka-Juhani; Löyttyniemi, Eliisa; Norha, Jooa; Eskola, Olli; Koivumäki, Mikko; Vähä-Ypyä, Henri; Sievänen, Harri; Vasankari, Tommi; Hirvonen, Jussi; Laitinen, Kirsi; Houttu, Noora; Kalliokoski, Kari K.; Saunavaara, Virva; Knuuti, Juhani; Heinonen, Ilkka H. A.
(A1 Refereed original research article in a scientific journal)
Effects of reducing sedentary behaviour on renal glucose uptake during insulin stimulation: A post‐hoc analysis of a 6‐month randomized controlled trial (2025)
- Diabetes, Obesity and Metabolism
Rebelos, Eleni; Dadson, Prince; Sjöros, Tanja; Laine, Saara; Norha, Jooa; Garthwaite, Taru; Löyttyniemi, Eliisa; Eskola, Olli; Koivumäki, Mikko; Vähä‐Ypyä, Henri; Sievänen, Harri; Vasankari, Tommi; Hirvonen, Jussi; Laitinen, Kirsi; Houttu, Noora; Kalliokoski, Kari K.; Knuuti, Juhani; Ferrannini, Ele; Mari, Andrea; Heinonen, Ilkka
(A1 Refereed original research article in a scientific journal)
Mildly elevated liver lipid content is characterised by reduced insulin sensitivity (2025)
- JHEP Reports
Tuomola, Nelli; Rebelos, Eleni; Latva-Rasku, Aino; Bucci, Marco; Immonen, Heidi; Saunavaara, Virva; Laine, Saara; Sjöros, Tanja; Garthwaite, Taru; Raiko, Juho R.H.; Fernandes Silva, Lilian; Virtanen, Kirsi A.; Hannukainen, Jarna C.; Ala-Korpela, Mika; Kalliokoski, Kari K.; Heinonen, Ilkka H.A.; Nuutila, Pirjo; Honka, Miikka-Juhani
(A1 Refereed original research article in a scientific journal)
Secondary analysis of a randomised controlled trial on reducing sedentary behaviour and its effects on quality of life and wellbeing (2025)
- Scientific Reports
Norha, Jooa; Sjöros, Tanja; Garthwaite, Taru; Laine, Saara; Laitinen, Kirsi; Houttu, Noora; Vähä-Ypyä, Henri; Sievänen, Harri; Löyttyniemi, Eliisa; Vasankari, Tommi; Knuuti, Juhani; Kalliokoski, Kari K.; Heinonen, Ilkka H. A.
(A1 Refereed original research article in a scientific journal)
Serum glial fibrillary acid protein associates with TSPO-expressing lesions in multiple sclerosis brain (2025) Sjöros, Tanja; Saraste, Maija; Matilainen, Markus; Nylund, Marjo; Koivumäki, Mikko; Kuhle, Jens; Leppert, David; Airas, Laura
(A1 Refereed original research article in a scientific journal)
Successfully Reducing Sitting Time Can Improve Metabolic Flexibility (2025)
- Scandinavian Journal of Medicine and Science in Sports
Garthwaite, Taru; Sjöros, Tanja; Laine, Saara; Koivumäki, Mikko; Vähä‐Ypyä, Henri; Norha, Jooa; Kallio, Petri; Saarenhovi, Maria; Löyttyniemi, Eliisa; Sievänen, Harri; Houttu, Noora; Laitinen, Kirsi; Kalliokoski, Kari K.; Vasankari, Tommi; Knuuti, Juhani; Heinonen, Ilkka
(A1 Refereed original research article in a scientific journal)
Daily standing time, dietary fiber, and intake of unsaturated fatty acids are beneficially associated with hepatic insulin sensitivity in adults with metabolic syndrome (2024)
- Frontiers in Endocrinology
Laine, Saara; Sjöros, Tanja; Garthwaite, Taru; Honka, Miikka-Juhani; Löyttyniemi, Eliisa; Eskola, Olli; Saarenhovi, Maria; Kallio, Petri; Koivumäki, Mikko; Vähä-Ypyä, Henri; Sievänen, Harri; Vasankari, Tommi; Hirvonen, Jussi; Laitinen, Kirsi; Houttu, Noora; Kalliokoski, Kari; Saunavaara, Virva; Knuuti, Juhani; Heinonen, Ilkka H.A.
(A1 Refereed original research article in a scientific journal)
Effects of reduced sedentary time on resting, exercise and post-exercise blood pressure in inactive adults with metabolic syndrome – a six-month exploratory RCT (2024)
- Journal of Human Hypertension
Norha Jooa, Sjöros Tanja, Garthwaite Taru, Laine Saara, Saarenhovi Maria, Kallio Petri, Laitinen Kirsi, Houttu Noora, Vähä-Ypyä Henri, Sievänen Harri, Löyttyniemi Eliisa, Vasankari Tommi, Knuuti Juhani, Kalliokoski Kari K., Heinonen Ilkka H. A.
(A1 Refereed original research article in a scientific journal)
Effects of reducing sedentary behaviour on back pain, paraspinal muscle insulin sensitivity and muscle fat fraction and their associations: a secondary analysis of a 6-month randomised controlled trial (2024)
- BMJ Open
Norha, Jooa; Sjöros, Tanja: Garthwaite, Taru; Laine, Saara; Verho, Tiina; Saunavaara, Virva; Laitinen, Kirsi; Houttu, Noora; Hirvonen, Jussi; Vähä-Ypyä, Henri; Sievänen, Harri; Löyttyniemi, Eliisa; Vasankari, Tommi; Kalliokoski, Kari; Heinonen, Ilkka
(A1 Refereed original research article in a scientific journal)
Loading Enhances Glucose Uptake in Muscles, Bones, and Bone Marrow of Lower Extremities in Humans (2024)
- Journal of Clinical Endocrinology and Metabolism
Bellman, Jakob; Sjöros, Tanja; Hägg, Daniel; Atencio Herre, Erika; Hieta, Janina; Eskola, Olli; Laitinen, Kirsi; Nuutila, Pirjo; Jansson, John-Olov; Jansson, Per-Anders; Kalliokoski, Kari; Roivainen, Anne; Ohlsson, Claes
(A1 Refereed original research article in a scientific journal)
Sedentary behavior reduction and blood lipids in adults with metabolic syndrome: a 6-month randomized controlled trial (2024)
- Scientific Reports
Ylinen, Venla P.; Sjöros, Tanja; Laine, Saara; Garthwaite, Taru; Norh,a Jooa; Vähä-Ypyä, Henri; Löyttyniemi, Eliisa; Houttu, Noora; Laitinen, Kirsi; Kalliokoski, Kari K.; Sievänen, Harri; Vasankari, Tommi; Knuut,i Juhani; Heinonen, Ilkka HA
(A1 Refereed original research article in a scientific journal)
Sedentary time associates detrimentally and physical activity beneficially with metabolic flexibility in adults with metabolic syndrome (2024)
- American Journal of Physiology : Endocrinology and Metabolism
Garthwaite Taru, Sjöros Tanja, Laine Saara, Koivumäki Mikko, Vähä-Ypyä Henri, Verho Tiina, Norha Jooa, Kallio Petri, Saarenhovi Maria, Löyttyniemi Eliisa, Sievänen Harri, Houttu Noora, Laitinen Kirsi, Kalliokoski Kari K., Vasankari Tommi, Knuuti Juhani, Heinonen Ilkka
(A1 Refereed original research article in a scientific journal)
Tiredness after work associates with less leisure-time physical activity (2024)
- Scientific Reports
Sjöros Tanja, Norha Jooa, Johansson Riitta, Laine Saara, Garthwaite Taru, Vähä-Ypyä Henri, Löyttyniemi Eliisa, Kalliokoski Kari K., Sievänen Harri, Vasankari Tommi, Knuuti Juhani, Heinonen Ilkka H. A.
(A1 Refereed original research article in a scientific journal)
Associations of sedentary time, physical activity, and fitness with muscle glucose uptake in adults with metabolic syndrome (2023)
- Scandinavian Journal of Medicine and Science in Sports
Garthwaite Taru, Sjöros Tanja, Laine Saara, Koivumäki Mikko, Vähä-Ypyä Henri, Eskola Olli, Rajander Johan, Kallio Petri, Saarenhovi Maria, Löyttyniemi Eliisa, Sievänen Harri, Houttu Noora, Laitinen Kirsi, Kalliokoski Kari, Vasankari Tommi, Knuuti Juhani, Heinonen Ilkka
(A1 Refereed original research article in a scientific journal)
Critical limb-threatening ischaemia and microvascular transformation: clinical implications (2023)
- European Heart Journal
Tarvainen Santeri, Wirth Galina, Juusola Greta, Hautero Olli, Kalliokoski Kari, Sjöros Tanja, Nikulainen Veikko, Taavitsainen Jouni, Hytönen Jarkko, Frimodig Crister, Happonen Krista, Selander Tuomas, Laitinen Tomi, Hakovirta Harri H., Knuuti Juhani, Laham-Karam Nihay, Hartikainen Juha, Mäkinen Kimmo, Ylä-Herttuala Seppo, Korpisalo Petra
(A1 Refereed original research article in a scientific journal)
Effects of reducing sedentary behavior on cardiorespiratory fitness in adults with metabolic syndrome: A 6-month RCT (2023)
- Scandinavian Journal of Medicine and Science in Sports
Norha Jooa, Sjöros Tanja, Garthwaite Taru, Laine Saara, Saarenhovi Maria, Kallio Petri, Laitinen Kirsi, Houttu Noora, Vähä-Ypyä Henri, Sievänen Harri, Löyttyniemi Eliisa, Vasankari Tommi, Knuuti Juhani, Kalliokoski Kari K., Heinonen Ilkka H.A.
(A1 Refereed original research article in a scientific journal)
Reducing Sedentary Time and Whole-Body Insulin Sensitivity in Metabolic Syndrome - A 6-Month Randomized Controlled Trial (2023)
- Medicine and Science in Sports and Exercise
Sjöros Tanja, Laine Saara, Garthwaite Taru, Vähä-Ypyä Henri, Löyttyniemi Eliisa, Koivumäki Mikko, Houttu Noora, Laitinen Kirsi, Kalliokoski Kari K., Sievänen Harri, Vasankari Tomi, Knuuti Juhani, Heinonen Ilkka H.A.
(A1 Refereed original research article in a scientific journal)
The effects of a 6-month intervention aimed to reduce sedentary time on skeletal muscle insulin sensitivity: a randomized controlled trial (2023)
- American Journal of Physiology : Endocrinology and Metabolism
Sjöros Tanja, Laine Saara, Garthwaite Taru, Vähä-Ypyä Henri, Koivumäki Mikko, Eskola Olli, Löyttyniemi Eliisa, Houttu Noora, Laitinen Kirsi, Kalliokoski Kari K., Sievänen Harri, Vasankari Tommi, Knuuti Juhani, Heinonen Ilkka H.A.
(A1 Refereed original research article in a scientific journal)
The Effects Of Reducing Sedentary Behavior On Cardiorespiratory Fitness: A Six-month Randomized Controlled Trial (2023)
- Medicine and Science in Sports and Exercise
Norha Jooa, Sjöros Tanja, Garthwaite Taru, Laine Saara, Saarenhovi Maria, Kallio Petri, Laitinen Kirsi, Houttu Noora, Vähä-Ypyä Henri, Sievänen Harri, Löyttyniemi Eliisa, Vasankari Tommi, Knuuti Juhani, Kalliokoski Kari K., Heinonen Ilkka H.A.
(Other publication)
Association between cardiorespiratory fitness and metabolic health in overweight and obese adults (2022)
- Journal of Sports Medicine and Physical Fitness
Haapala Eero A, Sjöros Tanja, Laine Saara, Garthwaite Taru, Kallio Petri, Saarenhovi Maria, Vähä-Ypyä Henri, Löyttyniemi Eliisa, Sievänen Harri, Houttu Noora, Laitinen Kirsi, Kalliokoski Kari, Knuuti Juhani, Vasankari Tommi, Heinonen Ilkka H
(A1 Refereed original research article in a scientific journal)