TY - JOUR A1 - Maleiner, Babette A1 - Tomasch, Janine A1 - Heher, Philipp A1 - Spadiut, Oliver A1 - Rünzler, Dominik A1 - Fuchs, Christiane T1 - The Importance of Biophysical and Biochemical Stimuli in Dynamic Skeletal Muscle Models. JF - Frontiers in Physiology N2 - Classical approaches to engineer skeletal muscle tissue based on current regenerative and surgical procedures still do not meet the desired outcome for patient applications. Besides the evident need to create functional skeletal muscle tissue for the repair of volumetric muscle defects, there is also growing demand for platforms to study muscle-related diseases, such as muscular dystrophies or sarcopenia. Currently, numerous studies exist that have employed a variety of biomaterials, cell types and strategies for maturation of skeletal muscle tissue in 2D and 3D environments. However, researchers are just at the beginning of understanding the impact of different culture settings and their biochemical (growth factors and chemical changes) and biophysical cues (mechanical properties) on myogenesis. With this review we intend to emphasize the need for new in vitro skeletal muscle (disease) models to better recapitulate important structural and functional aspects of muscle development. We highlight the importance of choosing appropriate system components, e.g., cell and biomaterial type, structural and mechanical matrix properties or culture format, and how understanding their interplay will enable researchers to create optimized platforms to investigate myogenesis in healthy and diseased tissue. Thus, we aim to deliver guidelines for experimental designs to allow estimation of the potential influence of the selected skeletal muscle tissue engineering setup on the myogenic outcome prior to their implementation. Moreover, we offer a workflow to facilitate identifying and selecting different analytical tools to demonstrate the successful creation of functional skeletal muscle tissue. Ultimately, a refinement of existing strategies will lead to further progression in understanding important aspects of muscle diseases, muscle aging and muscle regeneration to improve quality of life of patients and enable the establishment of new treatment options. KW - Bioreactor KW - Muscle KW - Biomaterial Y1 - ER - TY - JOUR A1 - Schuh, Christina A1 - Heher, Philipp A1 - Weihs, Anna A1 - Fuchs, Christiane A1 - Gabriel, Christian A1 - Wolbank, Susanne A1 - Mittermayr, Rainer A1 - Redl, Heinz A1 - Rünzler, Dominik A1 - Teuschl, Andreas T1 - In vitro extracorporeal shock wave treatment enhances stemness and preserves multipotency of rat and human adipose-derived stem cells JF - Journal of Cytotherapy KW - Shockwave Y1 - ER - TY - CHAP A1 - Köhler, Gottfried A1 - Rünzler, Dominik A1 - Mayer, B. A1 - Sára, Margit A1 - Rasmussen, S. A1 - Buravkova, L. T1 - Microgravity. Applications in Biotechnology and Bioorganic Materials Sciences T2 - 10 Years Space biomedical Research and Development in Austria KW - Microgravity KW - Biotechnology KW - Materials Sciences Y1 - 2019 SP - 65 EP - 85 PB - Facultas CY - Wien ER - TY - CHAP A1 - Wießner, Katharina A1 - Praher, Daniela A1 - Liousia, Varvara A1 - Gepp, Barbara A1 - Leitner, Rita A1 - Rünzler, Dominik T1 - Testing the acute toxicity of an alternative to Glyphosate - Pelargonic acid T2 - SETAC Europe 30th Annual Meeting - Online N2 - Glyphosate-based herbicides were used as plant protection product globally for several decades. However, glyphosate is discussed as showing genotoxicity and many other side-effects such as inhibiting the mitochondrial succinate dehydrogenase, leading to a decreased ATP production. Therefore, finding alternative active substances is necessary. Pelargonic acid (nonanoic acid) and its ammonium salt (saponified form), which are used as alternatives to glyphosate-based herbicides, are biological derived substances considered as environmentally friendly herbicides. To test the effects of pelargonic acid in its acidic form (active substance in TopGun) and its saponified form (in Finalsan Plus) on the aquatic ecosystem, students of the master study program “environmental management and ecotoxicology” compared the toxicity levels of these substances using zebrafish embryos within the scope of a student research course. The project was developed by applying the 7-step problem-based learning method which allowed the students to design their experiments independently with the guidance and feedback of the lecturers. Acute toxicity was determined according to OECD test guideline 236 in D. rerio which revealed a LC50 of 1.55 mg/L of pelargonic acid, a LC50 value of 0.93 mg/L pelargonic acid in TopGun and a LC50 of 36.37 mg/L of Finalsan Plus. Neutral Red Uptake assays were performed on the rainbow trout-derived gill cell-line RTgill-W1 to determine the acute toxicity according to the OECD test guideline 129 which revealed the IC50 value of 12.4 mg/L pelargonic acid in TG. Due to solubility limits, no reliable IC50 could be obtained. The results of the tests indicate differences in the acute toxicity of the pelargonic acid-based formulations TopGun and Finalsan Plus. However, more investigations have to be done in order to analyse if the acidic form is more toxic than the saponified form. Furthermore, detailed ecotoxicological risk assessments and an evaluation of the genotoxicity of both herbicides has to be performed before any conclusion can be drawn. Financial support from the City of Vienna project PBL in Molecular Life Science (21-06) is gratefully acknowledged. KW - Environmental Chemistry KW - Ecotoxicology Y1 - 2020 ER - TY - CHAP A1 - Leitner, Rita A1 - Gepp, Barbara A1 - Liousia, Varvara A1 - Rünzler, Dominik T1 - Teaching 3R principles in ecotoxicology by performing a problem-based learning project T2 - ALTEX Proceedings, LINZ 2018 – EUSAAT 2018, Volume 7, No. 2, ISSN 2194-0479 (2018) KW - Problem Based Learning KW - Teaching KW - Ecotoxicology KW - 3R Principles Y1 - ER - TY - GEN A1 - Gepp, Barbara A1 - Liousia, Varvara A1 - Machacek, Thomas A1 - Praher, Daniela A1 - Eisner, Katharina A1 - Limbeck, Sophie A1 - Gamper, Janine A1 - Schwarzl, Elisabeth A1 - Hazod, Till A1 - Landwehr, Renate A1 - Wenger, Charlotte A1 - Olscher, Christoph A1 - Leitner, Rita A1 - Rünzler, Dominik T1 - Pelargonic acid - an alternative to glyphosate-based herbicides? KW - Ecotoxicology KW - Herbicides Y1 - ER - TY - GEN A1 - Teuschl, Andreas A1 - Schuh, Christina A1 - Weihs, Anna A1 - Guillaume, Olivier A1 - Monforte Vila, Xavier A1 - Redl, Heinz A1 - Kaplan, David A1 - Rünzler, Dominik T1 - Tailoring bioactivity of silk-based biomaterials via delivering and functionalization strategies with fibrinogen/thrombin, plant lectins or laminin KW - Biomaterials KW - Tissue Engineering KW - Silk Y1 - ER - TY - GEN A1 - Salzer, Elias A1 - Rieder, Bernhard A1 - Monforte Vila, Xavier A1 - Weihs, Anna A1 - Rünzler, Dominik A1 - Teuschl, Andreas T1 - Evaluation of a novel hydrostatic pressure bioreactor on bovine cartilage chips KW - Bioreactor KW - Tissue Engineering KW - Cartilage Y1 - ER - TY - GEN A1 - Eisner, Katharina A1 - Gepp, Barbara A1 - Schnegg, Raimund A1 - Dallinger, Reinhard A1 - Rünzler, Dominik T1 - Investigation of endocrine effects of sublethal cadmium doses on the reproduction system of the freshwater snail B. glabrata KW - Ecotoxicology KW - Endocrine disruptors Y1 - ER - TY - GEN A1 - Salzer, Elias A1 - Liousia, Varvara A1 - Monforte Vila, Xavier A1 - Rünzler, Dominik T1 - Tracking of small aquatic organisms with custom-made tracking plates KW - Ecotoxicology KW - Behavior Analysis KW - Aquatic Ecotoxicology Y1 - ER - TY - CHAP A1 - Fuchs, Christiane A1 - Weihs, Anna A1 - Szwarc, Dorota A1 - Mittermayr, Rainer A1 - Rünzler, Dominik A1 - Teuschl, Andreas T1 - Shock wave treatment of muscle (stem) cells - a new implementation for regeneration T2 - Proceedings of the 20th International Congress of the ISMST KW - Shockwave treatment KW - Muscle Cells KW - Regeneration Y1 - 2018 ER - TY - GEN A1 - Fuchs, Christiane A1 - Weihs, Anna A1 - Szwarc, Dorota A1 - Mittermayr, Rainer A1 - Rünzler, Dominik A1 - Teuschl, Andreas T1 - Shock wave treatment of muscle (stem) cells - a new implementation for regeneration KW - Shockwave treatment KW - Muscle Cells KW - Regeneration Y1 - 2018 ER - TY - GEN A1 - Szwarc, Dorota A1 - Fuchs, Christiane A1 - Weihs, Anna A1 - Rünzler, Dominik T1 - Molecular mechanisms underlying the potential of shock wave treatment for cardiac therapy KW - Shockwave treatment KW - Cardiac Y1 - 2018 ER - TY - GEN A1 - Szwarc, Dorota A1 - Fuchs, Christiane A1 - Purtscher, Michaela A1 - Rünzler, Dominik T1 - Elucidating the molecular mechanisms underlying cardiac shock wave therapy KW - Shockwave treatment KW - Cardiac Y1 - 2018 ER - TY - GEN A1 - Rünzler, Dominik T1 - Alternatives to Animal Experiment Models: Tracking Zebrafish Larvae and Daphnia KW - Animal Experiments KW - Zebrafish Y1 - 2018 ER - TY - CHAP A1 - Maleiner, Babette A1 - Heher, Philipp A1 - Teuschl, Andreas A1 - Redl, Heinz A1 - Rünzler, Dominik A1 - Fuchs, Christiane T1 - Generation of aligned skeletal muscle-like tissue based on the application of strain to a 3D fibrin scaffold T2 - Proceedings of PACT "Designer Cells go Clinical" Symposium KW - Tissue Generation KW - Fibrin KW - Scaffold Y1 - 2018 ER - TY - GEN A1 - Szwarc, Dorota A1 - Fuchs, Christiane A1 - Weihs, Anna A1 - Monforte Vila, Xavier A1 - Hanetseder, Dominik A1 - Teuschl, Andreas A1 - Rünzler, Dominik T1 - The effect of shock waves on in vitro cartilage development in silk scaffolds KW - Shockwave treatment KW - In Vitro KW - Cartilage KW - Silk Y1 - 2018 ER - TY - GEN A1 - Maleiner, Babette A1 - Heher, Philipp A1 - Teuschl, Andreas A1 - Redl, Heinz A1 - Rünzler, Dominik A1 - Fuchs, Christiane T1 - Generation of aligned skeletal muscle-like tissue based on the application of strain to a 3D fibrin scaffold KW - Tissue Generation KW - Fibrin KW - Scaffold Y1 - 2018 ER - TY - GEN A1 - Teuschl, Andreas A1 - Fuchs, Christiane A1 - Weihs, Anna A1 - Heimel, Patrick A1 - Rünzler, Dominik A1 - Redl, Heinz A1 - Nau, Thomas T1 - The Silk Road from Textiles to Novel Medical Implants KW - Silk Y1 - 2018 ER - TY - CHAP A1 - Fuchs, Christiane A1 - Szwarc, Dorota A1 - Weihs, Anna A1 - Rünzler, Dominik T1 - Shock wave treatment of 3D cardiac model systems activates ERK 1/2 signaling pathway and influences cardiomyogenesis T2 - Proceedings of PACT "Designer Cells go Clinical" Symposium KW - Shockwave treatment KW - Cardiac Y1 - 2018 ER -