
Šárka Lehtonen
Yliopistotutkija
I lead the Human Brain Disease Modelling research lab at the A.I.Virtanen Institute for Molecular Sciences where I work as a Sigrid Jusélius Research Fellow.
Adjunct Prof. in Pharmacology
Terveystieteiden tiedekunta, A. I. Virtanen -instituutti
sarka.lehtonen@uef.fi
My focus in recent years has been to understand the cellular and molecular mechanisms of neurological diseases, especially Parkinson`s disease, schizophrenia and psychopathy. We use patient-derived brain cells in 2D and 3D culture systems to mimic the pathological conditions in the diseased brain more accurately. We also center our efforts on discovering new drug targets and biomarkers for the studied diseases. As the blood-brain barrier (BBB) and the ability of drugs to cross the BBB and reach the correct target is critical when designing drugs for neurological diseases, our third aim is to establish a simple model that mimics the physiological architecture and the barrier properties of the BBB. Once created, the ability of novel drugs and biomolecules like extracellular vesicles to penetrate the BBB can be tested. The model can also be used to understand the molecular and transport mechanisms that regulate BBB permeability in physiological and pathological conditions. Gained knowledge and novel discoveries will open in the future new opportunities for therapeutic developments.
For more information, please visit our research group website: https://sites.uef.fi/human-brain-disease-modelling-group/
Julkaisut
52 kappaletta-
SARS-CoV-2 Infection of Human Neurons Is TMPRSS2 Independent, Requires Endosomal Cell Entry, and Can Be Blocked by Inhibitors of Host Phosphoinositol-5 Kinase
Kettunen, Pinja; Lesnikova, Angelina; Räsänen, Noora; Ojha, Ravi; Palmunen, Leena; Laakso, Markku; Lehtonen, Šárka; Kuusisto, Johanna; Pietiläinen, Olli; Saber, Saber H; Joensuu, Merja; Vapalahti, Olli P; Koistinaho, Jari; Rolova, Taisia; Balistreri, Giuseppe. 2023. Journal of virology. 97: . e00144-23 -
Astrocyte Progenitors Derived From Patients With Alzheimer Disease Do Not Impair Stroke Recovery in Mice
Välimäki, Nelli-Noora; Bakreen, Abdulhameed; Häkli, Sara; Dhungana, Hiramani; Keuters, Meike H; Dunlop, Yannick; Koskuvi, Marja; Keksa-Goldsteine, Velta; Oksanen, Minna; Jäntti, Henna; Lehtonen, Šárka; Malm, Tarja; Koistinaho, Jari; Jolkkonen, Jukka. 2022. Stroke. 53: 3192-3201 -
CNS Redox Homeostasis and Dysfunction in Neurodegenerative Diseases
Goldsteins, Gundars; Hakosalo, Vili; Jaronen, Merja; Keuters, Meike Hedwig; Lehtonen, Šárka; Koistinaho, Jari. 2022. Antioxidants. 11: -
Cellular Models of Alpha-Synuclein Aggregation: What Have We Learned and Implications for Future Study
Albert, Katrina; Kälvälä, Sara; Hakosalo, Vili; Syvänen, Valtteri; Krupa, Patryk; Niskanen, Jonna; Peltonen, Sanni; Sonninen, Tuuli-Maria; Lehtonen, Šárka. 2022. Biomedicines. 10: -
Microglial amyloid beta clearance is driven by PIEZO1 channels
Jäntti, Henna; Sitnikova, Valeriia; Ishchenko, Yevheniia; Shakirzyanova, Anastasia; Giudice, Luca; Ugidos, Irene F; Gómez-Budia, Mireia; Korvenlaita, Nea; Ohtonen, Sohvi; Belaya, Irina; Fazaludeen, Feroze; Mikhailov, Nikita; Gotkiewicz, Maria; Ketola, Kirsi; Lehtonen, Šárka; Koistinaho, Jari; Kanninen, Katja M; Hernández, Damian; Pébay, Alice; Giugno, Rosalba; Korhonen, Paula; Giniatullin, Rashid; Malm, Tarja. 2022. Journal of neuroinflammation. 19: . 147 -
An arylthiazyne derivative is a potent inhibitor of lipid peroxidation and ferroptosis providing neuroprotection in vitro and in vivo
Keuters, Meike Hedwig; Keksa-Goldsteine, Velta; Dhungana, Hiramani; Huuskonen, Mikko T; Pomeshchik, Yuriy; Savchenko, Ekaterina; Korhonen, Paula K; Singh, Yajuvinder; Wojciechowski, Sara; Lehtonen, ¦árka; Kanninen, Katja M; Malm, Tarja; Sirviö, Jouni; Muona, Anu; Koistinaho, Milla; Goldsteins, Gundars; Koistinaho, Jari. 2021. Scientific reports. 11: 3518 -
Blood-Brain Barrier and Neurodegenerative Diseases-Modeling with iPSC-Derived Brain Cells
Wu, Ying-Chieh; Sonninen, Tuuli-Maria; Peltonen, Sanni; Koistinaho, Jari; Lehtonen, Sarka. 2021. International journal of molecular sciences. 22: 7710 -
Contribution of astrocytes to familial risk and clinical manifestation of schizophrenia
Koskuvi, Marja; Lehtonen, ¦árka; Trontti, Kalevi; Keuters, Meike; Wu, Ying-Chieh; Koivisto, Hennariikka; Ludwig, Anastasia; Plotnikova, Lidiia; Virtanen, Pekka LJ; Räsänen, Noora; Kaipainen, Satu; Hyötyläinen, Ida; Dhungana, Hiramani; Giniatullina, Raisa; Ojansuu, Ilkka; Vaurio, Olli; Cannon, Tyrone D; Lönnqvist, Jouko; Therman, Sebastian; Suvisaari, Jaana; Kaprio, Jaakko; Lähteenvuo, Markku; Tohka, Jussi; Giniatullin, Rashid; Rivera, Claudio; Hovatta, Iiris; Tanila, Heikki; Tiihonen, Jari; Koi. 2021. Glia. 2022; 70: 650-660 -
Microglia-like Cells Promote Neuronal Functions in Cerebral Organoids
Fagerlund, Ilkka; Dougalis, Antonios; Shakirzyanova, Anastasia; Gómez-Budia, Mireia; Pelkonen, Anssi; Konttinen, Henna; Ohtonen, Sohvi; Fazaludeen, Mohammad Feroze; Koskuvi, Marja; Kuusisto, Johanna; Hernández, Damián; Pebay, Alice; Koistinaho, Jari; Rauramaa, Tuomas; Lehtonen, ¦árka; Korhonen, Paula; Malm, Tarja. 2021. Cells. 2022; 11: 124 -
Molecular signaling pathways underlying schizophrenia
Tiihonen, Jari; Koskuvi, Marja; Lähteenvuo, Markku; Trontti, Kalevi; Ojansuu, Ilkka; Vaurio, Olli; Cannon, Tyrone D; Lönnqvist, Jouko; Therman, Sebastian; Suvisaari, Jaana; Cheng, Lesley; Tanskanen, Antti; Taipale, Heidi; Lehtonen, ¦árka; Koistinaho, Jari. 2021. Schizophrenia research. 232: 33-41