Dr. Gerhard Hagn, BSc MSc
Winter term 2025
Hagn, G., Cho, A., Zila, N., Sterniczky, B., Jantschitsch, C., Dong, D., Bileck, A., Koren, M., Paulitschke, P., Mohr, T., Knobler, R., Weninger, W. P., Gerner, C., & Paulitschke, V. (2025). Extracorporeal photopheresis induces the release of anti-inflammatory fatty acids and oxylipins and suppresses pro-inflammatory sphingosine-1-phosphate. Inflammation Research, 74(1), Article 40. https://doi.org/10.1007/s00011-025-02007-6

Karolinska Institute, Schebb, N. H., Kampschulte, N., Hagn, G., Plitzko, K., Meckelmann, S. W., Ghosh, S., Joshi, R., Kuligowski, J., Vuckovic, D., Botana, M. T., Sánchez-Illana, Á., Zandkarimi, F., Das, A., Yang, J., Schmidt, L., Checa, A., Roche, H. M., Armando, A. M., ... O’Donnell, V. B. (2025). Technical recommendations for analyzing oxylipins by liquid chromatography-mass spectrometry. Science Signaling, 18(887), eadw1245. https://doi.org/10.1126/scisignal.adw1245

Schmidl, D., Pai, V., Bileck, A., Hommer, N., Janku, P., Lindner, T., Kauer, V., Rumpf, B., Haslacher, H., Hagn, G., Meier-Menches, S. M., Schmetterer, L., Gerner, C., & Garhöfer, G. (2025). Retinal microcirculation in patients that have recovered from acute COVID-19 infection. Journal of Vascular Research, 62(SUPPL 1), Article Meeting Abstract 90.



Hagn, G., Meier-Menches, S. M., Plessl-Walder, G., Mitra, G., Mohr, T., Preindl, K., Schlatter, A., Schmidl, D., Gerner, C., Garhöfer, G., & Bileck, A. (2024). Plasma Instead of Serum Avoids Critical Confounding of Clinical Metabolomics Studies by Platelets. Journal of Proteome Research, 23(8), 3064-3075. https://doi.org/10.1021/acs.jproteome.3c00761

Janker-Bortel, P., Hagn, G., Skos, L., Bileck, A., Paulitschke, V., Paulitschke, P., Gleiter, L., Mohr, T., Gerner, C., & Meier-Menches, S. M. (2024). Memory effects of prior subculture may impact the quality of multiomic perturbation profiles. Proceedings of the National Academy of Sciences of the United States of America, 121(29), Article e2313851121. https://doi.org/10.1073/pnas.2313851121

Peyrl, A., Hagn, G., Stepien, N., Senfter, D., Madlener, S., Sterba, J., Lassaletta, A., Leblond, P., Nysom, K., Haberler, C., Bileck, A., Azizi, A., Mayr, L., Gojo, J., Slavc, I., & Gerner, C. (2024). MDB-36. 22-HDOHE, A PREDICTIVE MARKER IN CSF OF PATIENTS WITH RECURRENT MEDULLOBLASTOMA TREATED WITH MEMMAT. Neuro-Oncology, 26(Suppl. 4), Article NOAE064485. https://doi.org/10.1093/neuonc/noae064.485

Pai, V., Bileck, A., Hommer, N., Janku, P., Lindner, T., Kauer, V., Rumpf, B., Haslacher, H., Hagn, G., Meier-Menches, S. M., Schmetterer, L., Schmidl, D., Gerner, C., & Garhöfer, G. (2024). Impaired retinal oxygen metabolism and perfusion are accompanied by plasma protein and lipid alterations in recovered COVID-19 patients. Scientific Reports, 14(1), Article 8395. https://doi.org/10.1038/s41598-024-56834-4

Janker, L., Schuster, D., Bortel, P., Hagn, G., Meier-Menches, S. M., Mohr, T., Mader, J. C., Slany, A., Bileck, A., Brunmair, J., Madl, C., Unger, L., Hennlich, B., Weitmayr, B., Del Favero, G., Pils, D., Pukrop, T., Pfisterer, N., Feichtenschlager, T., & Gerner, C. (2023). Multi-omics empowered deep phenotyping of ulcerative colitis identifies biomarker signatures reporting functional remission states. Journal of Crohn's & colitis, 17(9), 1514-1527. https://doi.org/10.1093/ecco-jcc/jjad052


Gerner, I., Hagn, G., Bileck, A., Troiss, H., Plessl-Walder, G., Gueltekin, S., Oreff, G., Jenner, F., & Gerner, C. (2023). Comprehensive understanding of sheep as model organism: A tissue proteome atlas and a tissue eicosanoid atlas. Tissue engineering. Part A, 29(13-14), Article OP-218.

Hofbauer, T. M., Distelmaier, K., Muqaku, B., Spinka, G., Seidl, V., Arfsten, H. T., Hagn, G., Meier-Menches, S., Bartko, P. E., Pavo, N., Hoke, M., Prausmueller, S., Heitzinger, G., Pils, D., Lang, I. M., Hengstenberg, C., Hülsmann, M. P., Gerner, C., & Goliasch, G. (2023). Metabolomics implicate eicosanoids in severe functional mitral regurgitation. ESC Heart Failure, 10(1), 311-321. https://doi.org/10.1002/ehf2.14160

Kovarik, J. J., Bileck, A., Hagn, G., Meier-Menches, S. M., Frey, T., Kaempf, A., Hollenstein, M., Shoumariyeh, T., Skos, L., Reiter, B., Gerner, M. C., Spannbauer, A., Hasimbegovic, E., Schmidl, D., Garhofer, G., Gyongyosi, M., Schmetterer, K. G., & Gerner, C. (2023). A multi-omics based anti-inflammatory immune signature characterizes long COVID-19 syndrome. Iscience, 26(1), Article 105717. https://doi.org/10.1016/j.isci.2022.105717

Raeven, P., Hagn, G., Niederstaetter, L., Brugger, J., Bayer-Blauensteiner, S., Domenig, C., Hoetzenecker, K., Posch, M., Leitner, G., Gerner, C., & Baron, D. M. (2023). Red blood cell transfusion-related eicosanoid profiles in intensive care patients—A prospective, observational feasibility study. Frontiers in Physiology, 14, Article 1164926. https://doi.org/10.3389/fphys.2023.1164926

Leitner, G. C., Hagn, G., Niederstaetter, L., Bileck, A., Plessl-Walder, K., Horvath, M., Kolovratova, V., Tanzmann, A., Tolios, A., Rabitsch, W., Wohlfarth, P., & Gerner, C. (2022). INTERCEPT Pathogen Reduction in Platelet Concentrates, in Contrast to Gamma Irradiation, Induces the Formation of trans-Arachidonic Acids and Affects Eicosanoid Release during Storage. Biomolecules, 12(9), Article 1258. https://doi.org/10.3390/biom12091258


Schrutka, L., Hagn, G., Galli, L., Poeschl, A., Seidl, V., Ondracek, A. S., Bileck, A., Lang, I., Hengstenberg, C., Krychtiuk, K., Speidl , W., Gerner, C., & Distelmaier, K. (2022). Plasma eicosanoid profiling in the course of proprotein convertase subtilisin-kexin type 9 inhibition: insights from a metabolomic analysis. European Heart Journal, 43(Supplement: 2), 3031-3031. https://doi.org/10.1093/eurheartj/ehac544.3031


MS-based analysis of matched eccrine sweat and plasma reveals unexpected differences in pharmacodynamics between compartments during chemotherapy

Wasinger, D. (Speaker), Bolliger, M. (Contributor), Brunmair, J. (Contributor), Hagn, G. (Contributor), Wolf, M. (Contributor), Preindl, K. (Contributor), Reiter, B. (Contributor), Bileck, A. (Contributor), Gerner, C. (Contributor), Fitzal, F. (Contributor) & Meier-Menches, S. M. (Contributor)

19 Feb 2025

Activity: Talks and presentationsTalk or oral contributionScience to Science


Multi-Omics Data of Perturbation Studies are Determined by Memory Effects from Sub-culture

Bortel, P. (Speaker), Hagn, G. (Contributor), Skos, L. (Contributor), Bileck, A. (Contributor), Paulitschke, V. (Contributor), Paulitschke, P. (Contributor), Gleiter, L. (Contributor), Mohr, T. (Contributor), Gerner, C. (Contributor) & Meier-Menches, S. M. (Contributor)

21 Feb 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Multi-Omics Data of Perturbation Studies are Determined by Memory Effects from Sub-culture

Bortel, P. (Speaker), Hagn, G. (Contributor), Skos, L. (Contributor), Bileck, A. (Contributor), Paulitschke, V. (Contributor), Paulitschke, P. (Contributor), Gleiter, L. (Contributor), Mohr, T. (Contributor), Gerner, C. (Contributor) & Meier-Menches, S. M. (Contributor)

27 Sept 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Plasma instead of serum avoids critical confounding of clinical metabolomics studies by platelets

Hagn, G. (Speaker), Meier-Menches, S. M. (Contributor), Plessl-Walder, G. (Contributor), Mitra, G. (Contributor), Mohr, T. (Contributor), Preindl, K. (Contributor), Schlatter, A. (Contributor), Schmidl, D. (Contributor), Gerner, C. (Contributor), Garhöfer, G. (Contributor) & Bileck, A. (Contributor)

27 Sept 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Multi-Omics Readouts of Perturbation Studies are Determined by Memory Effects from Subculture

Skos, L. (Speaker), Bortel, P. (Contributor), Hagn, G. (Contributor), Bileck, A. (Contributor), Paulitschke, V. (Contributor), Paulitschke, P. (Contributor), Gleiter, L. (Contributor), Mohr, T. (Contributor), Gerner, C. (Contributor) & Meier-Menches, S. M. (Contributor)

11 May 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Multi-omics provide evidence for an anti-inflammatory immune signature and metabolic alterations in patients with Long COVID Syndrome – an exploratory study

Hagn, G. (Speaker), Bileck, A. (Contributor), Kovarik, J. J. (Contributor), Meier-Menches, S. M. (Contributor), Frey , T. (Contributor), Kaempf , A. (Contributor), Hollenstein , M. (Contributor), Shoumariyeh , T. (Contributor), Skos, L. (Contributor), Reiter, B. (Contributor), Gerner, M. C. (Contributor), Spannbauer, A. (Contributor), Hasimbegovic, E. (Contributor), Schmidl, D. (Contributor), Garhöfer, G. (Contributor), Gyöngyösi, M. (Contributor), Schmetterer, K. G. (Contributor) & Gerner, C. (Contributor)

13 Sept 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Functional analysis of biochemical processes using multi-omics techniques

Hagn, G. (Speaker) & Gerner, C. (Contributor)

20 Oct 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Eicosanoid measurements in Intercept treated platelet concentrates for evaluation of platelet function in vitro

Hagn, G. (Speaker), Bileck, A. (Contributor), Niederstätter, L. (Contributor), Horvath, M. (Contributor), Kolovratova, V. (Contributor), Tanzmann, A. (Contributor), Tolios, A. (Contributor), Gerner, C. (Contributor) & Leitner, G. C. (Contributor)

7 Sept 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Epithelial cell line derived from endometriotic lesion mimics macrophage nervous mechanism of pain generation on proteo-me and metabolome levels

Brunmair, J. (Speaker), Neuditschko, B. (Contributor), Leibetseder, M. (Contributor), Hagn, G. (Contributor), Skos, L. (Contributor), Gerner, M. C. (Contributor), Meier-Menches, S. M. (Contributor), Yotova, I. (Contributor) & Gerner, C. (Contributor)

7 Sept 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Eicosanoid measurements in Intercept treated platelet concentrates for evaluation of platelet function in vitro

Hagn, G. (Speaker), Bileck, A. (Contributor), Niederstätter, L. (Contributor), Horvath, M. (Contributor), Kolovratova, V. (Contributor), Tanzmann, A. (Contributor), Tolios, A. (Contributor), Gerner, C. (Contributor) & Leitner, G. C. (Contributor)

23 Sept 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Department of Analytical Chemistry

Währinger Straße 38
1090 Wien

gerhard.hagn@univie.ac.at