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Oliwia Witczak

Oliwia Witczak

Job title
  • Associate Professor
Visiting address
  • Pilestredet 50, 0167 Oslo
  • Office number: H215
Phone
  • Mobile: +47 413 15 150
  • Office: +47 672 36 277
E-mail
  • oliwia.witczak@oslomet.no
Affiliation

Field of study

Metabolism   Fatty Acids   Signal transduction   Molecular nutrition   Exercise   Obesity   Extracellular vesicles

Research groups

Research projects

Ongoing research projects

Completed research projects

Publications and research

Scientific publications

Stian, Christiansen ; Haug, Kari Bente Foss; Hussain, Misbah; Hussein, Abdille; Brusletto, Berit; Øvstebø, Reidun; Witczak, Oliwia ; Aas, Vigdis (2025). Comparative proteomics and micro-RNA analysis of skeletal muscle cell small extracellular vesicles - Unique profiles in cells from severely obese individuals with type 2 diabetes versus normal glucose tolerance. Frontiers in Physiology. Vol. 16.
https://doi.org/10.3389/fphys.2025.1696916

Katare, Parmeshwar Bajirao; Tingstad, Ragna Husby ; Beajani, Sivar T.; Indseth, Jørgen Pasjkurov; Telle-Hansen, Vibeke ; Myhrstad, Mari Charlotte Wik ; Rustan, Arild Christian; Eide, Lars; Witczak, Oliwia ; Aas, Vigdis (2025). Divergent effects of monomethyl branched-chain fatty acids on energy metabolism and insulin signaling in human myotubes. Journal of Lipid Research. Vol. 66.
https://doi.org/10.1016/j.jlr.2025.100764

Tingstad, Ragna Husby ; Witczak, Oliwia ; Beajani, Siver; Seo, Seaung Hee; Løvsletten, Nils Gunnar; Skagen, Christine; Myhrstad, Mari Charlotte Wik ; Telle-Hansen, Vibeke ; Eide, Lars; Rustan, Arild Christian; Aas, Vigdis (2025). Impact of Short-Chain Fatty Acids on Glucose, Fatty Acid and Leucine Metabolism in Primary Human Myotubes. Endocrinology, Diabetes & Metabolism. Vol. 8.
https://doi.org/10.1002/edm2.70042

Li, Yiling; Imediegwu, Geraldine U.; Øvren, Karen Marie; Stasiuk, Angelika Agnieszka; Haugom, Ida Mari; Mo, Solveig; Sylte, Marit Sverresdotter; Witczak, Oliwia (2025). Kildesortering på lab: Et steg mot en grønnere praksis. Bioingeniøren.
https://hdl.handle.net/11250/3448584

Iliceto, Mario; Andersen, Jorunn Marie ; Stensen, Mette Haug; Haugen, Trine B. ; Witczak, Oliwia (2024). Association of Endogenous Seminal L-Carnitine Levels with Post-Thaw Semen Parameters in Humans. Andrologia. Vol. 2024.
https://doi.org/10.1155/2024/4327010

Haugen, Trine B. ; Witczak, Oliwia ; Hicks, Steven; Björndahl, Lars; Andersen, Jorunn Marie ; Riegler, Michael (2023). Sperm motility assessed by deep convolutional neural networks into WHO categories. Scientific Reports. Vol. 13.
https://doi.org/10.1038/s41598-023-41871-2

Thambawita, Vajira L B; Hicks, Steven; Storås, Andrea; Nguyen, Thu; Andersen, Jorunn Marie ; Witczak, Oliwia ; Haugen, Trine B. ; Hammer, Hugo Lewi ; Halvorsen, Pål ; Riegler, Michael Alexander (2023). VISEM-Tracking, a human spermatozoa tracking dataset. Scientific Data.
https://doi.org/10.1038/s41597-023-02173-4

Iliceto, Mario; Stensen, Mette Haug; Andersen, Jorunn Marie ; Haugen, Trine B. ; Witczak, Oliwia (2022). Levels of L-carnitine in human seminal plasma are associated with sperm fatty acid composition. Asian Journal of Andrology (AJA). Vol. 24.
https://doi.org/10.4103/aja2021107

Riegler, Michael Alexander ; Stensen, Mette Haug; Witczak, Oliwia ; Andersen, Jorunn Marie ; Hicks, Steven; Hammer, Hugo Lewi ; Delbarre, Erwan ; Halvorsen, Pål ; Yazidi, Anis ; Holst, Nicolai; Haugen, Trine B. (2021). Artificial intelligence in the fertility clinic: status, pitfalls and possibilities. Human Reproduction. Vol. 36.
https://doi.org/10.1093/humrep/deab168

Hicks, Steven; Thambawita, Vajira Lasantha Bandara; Hammer, Hugo Lewi ; Haugen, Trine B. ; Andersen, Jorunn Marie ; Witczak, Oliwia ; Halvorsen, Pål ; Riegler, Michael (2020). ACM Multimedia BioMedia 2020 Grand Challenge Overview. Qi, Guo-Jun; Ricci, Elisa; Zhang, Zhengyou; Zimmermann, Roger (Ed.). MM '20: Proceedings of the 28th ACM International Conference on Multimedia. p. 4655-4658. Association for Computing Machinery (ACM).
https://doi.org/10.1145/3394171.3416287



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These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.

Research reports

Andersen, Jorunn Marie ; Haugen, Trine B. ; Witczak, Oliwia (2017). Semen quality in relation to body mass index, sperm fatty acid composition, and anti-Müllerian hormone. ISBN: 9788283333237. 52 p. Universitetet i Oslo.
https://hdl.handle.net/11250/4778413

Witczak, Oliwia ; Jahnsen, Tore; Skålhegg, Bjørn Steen (2002). AKAP450 - a PKA anchoring protein involved in the structural and functional organization of the Golgi apparatus. 150 p. Universitetet i Oslo.
https://hdl.handle.net/11250/4002206

Witczak, Oliwia (2002). AKAP450 - a PKA anchoring protein involved in the structural and functional organization of the centrosome and Golgi apparatus. ISBN: 9788280720153. -1 p. Dept. of Medical Biochemistry, Faculty of Medicine, Univ. of Oslo.
https://hdl.handle.net/11250/3598868



These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.

Dissemination

Andersen, Jorunn Marie ; Witczak, Oliwia ; Due, Eldri Undlien ; Bentsen, Pål Andreas Hoven; Hicks, Steven A.; Thambawita, Vajira; Björndahl, Lars; Riegler, Michael A.; Haugen, Trine B. (2024). Sperm motility assessed by deep convolutional neural networks. 14th Biennial Alpha Conference. Alpha Scientists in Reproductive Medicine.
https://hdl.handle.net/11250/5172572

Li, Yiling; Imediegwu, Geraldine U.; Marie, Øvren Karen; Stasiuk, Angelika Agnieszka; Haugom, Ida Mari; Mo, Solveig; Sylte, Marit Sverresdotter; Witczak, Oliwia (2024). Kildesortering på lab: Et steg mot en grønnere praksis. Fürsts FOU-uke . Fürst.
https://hdl.handle.net/11250/3559975

Haugen, Trine B. ; Witczak, Oliwia ; Due, Eldri Undlien; Hicks, Steven A.; Thambawita, Vajira; Bentsen, Pål Andreas Hoven; Björndahl, Lars; Riegler, Michael A.; Andersen, Jorunn Marie (2024). Convolutional neural networks perform well in assessing sperm motility into WHO categories. 13th European Congress of Andrology. European Academy of Andrology.
https://hdl.handle.net/11250/3763373

Haugen, Trine B. ; Witczak, Oliwia ; Hicks, Steven A.; Thambawita, Vajira; Björndahl, Lars; Riegler, Michael A.; Andersen, Jorunn Marie (2024). Sperm motility assessed by deep convolutional neural networks. The 59th Norwegian Bioscience Society Contact Meeting 2024.
https://hdl.handle.net/11250/5058468

Aas, Ingvild; Halvorsen, Pia S.; Stensen, Mette Haug; Due, Eldri Undlien ; Haugen, Trine B. ; Witczak, Oliwia ; Delbarre, Erwan (2023). Direct visualization of DNA breaks in human sperm using an in situ DNA end-labelling approach. 22nd European Testis Workshop. European Testis Workshops/EMBO.
https://hdl.handle.net/11250/4533646

Hicks, Steven A.; Andersen, Jorunn Marie ; Witczak, Oliwia ; Riegler, Michael A.; Haugen, Trine B. (2023). Generalization of machine learning models for automatic semen quality assessment. 22nd European Testis Workshop. European Testis Workshops/EMBO.
https://hdl.handle.net/11250/3363154

Haugen, Trine B. ; Witczak, Oliwia ; Hicks, Steven A.; Björndahl, Lars; Andersen, Jorunn Marie ; Riegler, Michael A. (2023). Sperm motility assessed by deep convolutional neural networks. 22nd European Testis Workshop. European Testis Workshops/EMBO.
https://hdl.handle.net/11250/3342240

Iliceto, Mario; Andersen, Jorunn Marie ; Haugen, Trine B. ; Stensen, Mette Haug; Witczak, Oliwia (2023). Impact of endogenous L-carnitine on semen quality in post-thaw human semen samples. 22nd European Testis Workshop. European Testis Workshops/EMBO.
https://hdl.handle.net/11250/3543945

Thambawita, Vajira L B; Hicks, Steven; Storås, Andrea; Andersen, Jorunn Marie ; Witczak, Oliwia ; Haugen, Trine B. ; Hammer, Hugo Lewi ; Nguyen, Thu; Halvorsen, Pål ; Riegler, Michael Alexander (2023). Medico Multimedia Task at MediaEval 2022: Transparent Tracking of Spermatozoa. CEUR Workshop Proceedings.
https://hdl.handle.net/11250/3997348

Thambawita, Vajira; Hicks, Steven A.; Storås, Andrea; Andersen, Jorunn Marie ; Witczak, Oliwia ; Nguyen, Thu; Haugen, Trine B. ; Hammer, Hugo Lewi ; Riegler, Michael ; Halvorsen, Pål (2023). Medico multimedia task at MedialEval: transparent tracking of spermatozoa. 22nd European Testis Workshop. European Testis Workshops/EMBO.
https://hdl.handle.net/11250/4851743



See all publications


These publications are obtained from Norwegian Research Information Repository. The list may be incomplete.
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