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C07 | Endothelialized perfusable microvascular networks for biofabrication of standardized in vitro tissue models.

Vascularization is a key challenge in the biofabrication of hierarchical tissue structures and their application. Project C07 focuses on the fabrication of perfusable endothelialized microvascular networks mimicking the peripheral vessels and the blood-brain barrier. These will serve as a basis for functional, tissue-specific investigations in health and disease. Building on previous knowledge and methods, free-form printing of POx will be used to increase the complexity of sacrificial structures and incorporate functional, stable vessel-like structures into complex 3D tissue models. The developed models should better reflect physiological conditions and improve predictive power in preclinical testing.

Dr. rer. nat. Antje Appelt-Menzel
Prof. Dr. Iwona Cicha
Dr. rer. nat. Matthias Ryma

Robin Dai

Previous academic education: Master thesis (Life Science Engineering)
Academic Advisor within SFB TRR225: Prof. Dr. Iwona Cicha
Location: University Hospital Erlangen, Section of Experimental Oncology and Nanomedicine
Topic of thesis: Biofabrication of endothelialized perfusable microvascular structures and ther adaptation to 3D tissue models
Main techniques and methodologies to be used: 3D cell culture, spheroids, perfusion systems & bioreactors, confocal microscopy & 3D imaging, functional cell assays,

Contact: Robin.Dai@uk-erlangen.de

Sven Heilig

Previous academic education: Master Funktionswerkstoffe
Academic Advisor within SFB TRR225: Prof. Dr. Jürgen Groll
Location: Department of functional material in medicine and dentistry, University of Würzburg
Topic of thesis: Perfusable endothelialized networks per oxaxolnine sacrificial structures
Main techniques and methodologies to be used: Cell culture, Stereolithography, Melt Electrospinning Writing

Contact: sven.heilig@uni-wuerzburg.de

2025

Heilig S, Lamberger Z, Sprenger L, Priebe V, Mussoni C, Docheva D, Andelovic K, Groll J, Salehi S, Lang G, Ryma M. Fibrillar bundles as fibrous filler materials for attaining cell anisotropy in bioprinting. Adv. Healthcare Mat., doi: 10.1002/adhm.202503767 (2025). (B02, A07,B03)

Heinze C, Mussoni C, Ryma M, Gergely C, Lamberger Z, Schäfer A, Andelovic K, Stahlhut P, Lang G, Groll J, Ahmad T. Bioassembly of Myoblast Spheroids in Electrofibrillated Scaffolds for 3D Muscle Tissue Biofabrication. Small. doi: 10.1002/smll.202503351 (2025). (C06, A07, B02)

Lamberger Z, Priebe V, Stahlhut P, Andelovic K, Pattappa G, Docheva D, Heilig S, Hermanns HM, Ahmad T, Groll J, Lang G, Ryma M. Giving It a Twist: One-Step Fabrication of Aligned Biomimetic Yarn Scaffolds via Rotational Melt Electrofibrillation. Adv. Healthcare Mat.  0: e04099, doi: 10.1002/adhm.202504099 (2025). (B02, A07)

Murenu N, Mussoni C, Andrade Mier M, Buettner P, Chicaiza-Cabezas N, Dai Y, Faber J, Fiedler M, Lamberger Z, Ng X, Moessler V, Rederer A, Roeder J, Stecher S, Theis K, Budday S, Lang G, Schaefer N. Bioprinting organs – Science or fiction? – a Review from Students to Students. Adv. Healthc Mat., doi: 10.1002/adhm.202502103 (2025). (A01, A02, A07, B02, B04, B07, B09, C01, C02, C05, C06)

Ryma M, Scheibel T. Bridging the Gap: Unlocking the Potential of Biofabrication for Applications in In Vitro Testing. Langmuir 41 (31), doi: 10.1021/acs.langmuir.5c01463  (2025). (A08, B02)

Türker E, Andrade Mier M, Faber J, Friedrich M, Lamberger Z, Weigelt J, Stigloher C, Murenu N, Schaefer N, Tessmar J, Lang G, Budday S, Heinze K, Appelt-Menzel A, Strissel P, Strick R, Villmann C. A 3D biofabricated disease model mimicking the brain extracellular matrix suitable to characterize intrinsic neuronal network alterations in the presence of a breast tumor disseminated to the brain. Advanced Functional Materials, doi: 10.1002/adfm.202515220 (2025). (A01, A02, A07, B06, B09, C02, C05, C07, Z02, Z03)

Zeng J, Heilig S, Ryma M, Groll J, Li C, Matsusaki M. Outermost Cationic Surface Charge of Layer-by-Layer Films Prevents Endothelial Cells Migration for Cell Compartmentalization in Three-Dimensional Tissues. Adv Sci (Weinh), doi: 10.1002/advs.202417538 (2025). (B02)

2024

Cicha I, Alexiou C, CiacT. Book Chapter 6: Advanced Nanomaterials for Cardiovascular Implants. eBook Collection, Nanoscience & Nanotechnology Series, p. 150 – 183, doi: 10.1039/9781837671113-00150 (2024). (B02)

Doryab A, Braig J, Jungst T, Ryma M, Groll J. Fabrication Strategies for Bioinspired and Functional Lung-on-Chips. Adv. Funct. Mater. doi: 10.1002/adfm.20240772 (2024). (B02, B04, B09)

Grijalva Garces D, Strauß S, Gretzinger S, Schmieg B, Jüngst T, Groll J, Meinel L, Schmidt I, Hartmann H, Schenke-Layland K, Brandt N, Selzer M, Zimmermann S, Koltay P, Southan A, Tovar G, Schmidt S, Weber A, Ahlfeld T, Gelinsky M, Scheibel T, Detsch R, Boccaccini A, Naolou T, Lee-Thedieck C, Willems C, Groth T, Allgeier S, Köhler B, Friedrich T, Briesen H, Buchholz J, Paulus D, von Gladiss A, Hubbuch J. On the reproducibility of extrusion-based bioprinting: round robin study on standardization in the field. Biofabrication 16, doi: 10.1088/1758-5090/acfe3b (2024). (A08, B02, B03, B06, B09)

Lamberger Z,  Mussoni C, Chicaiza Cabezas N, Heck F, Zwingelberg S, Heilig S,  Ahmad T, Groll J, Lang G. Painting bio: A vector-based method for precise G-code generation across scales in biofabrication. Int J Bioprint, doi:10.36922/ijb.6239 (2024). (A07, B02, B04, C06)

Mathew-Schmitt S, Peindl M, Neundorf P, Dandekar G, Metzger M, Nickl V, Appelt-Menzel A. Blood-tumor barrier in focus – investigation of glioblastoma-induced effects on the blood-brain barrier. J Neuro-Oncol, 170, doi: 10.1007/s11060-024-04760-w (2024).

2023

Genc H, Cianciosi A, Lohse R, Stahlhut P, Groll J, Alexiou C, Cicha I, Jungst T, Adjusting Degree of Modification and Composition of gelAGE-Based Hydrogels Improves Long-Term Survival and Function of Primary Human Fibroblasts and Endothelial Cells in 3D Cultures, Biomacromolecules doi:10.1021/acs.biomac.2c01536  (2023). (B02, B09)

2022

Ryma M, Genc H, Nadernezhad A, Paulus I, Schneidereit D, Friedrich O, Andelovic K, Lyer S, Alexiou C, Cicha I, Groll J, A print-and-fuse Strategy for Sacrificial Filaments Enables Biomimetically Structured Perfusable Microvascular Networks with Functional Endothelium Inside 3D Hydrogels, Adv Mater doi:10.1002/adma.202200653  (2022) e2200653. (B02, B08, A06)

Mair V, Paulus I, Groll J, Ryma M, Freeform printing of thermoresponsive poly(2-cyclopropyl-oxazoline) as cytocompatible and on-demand dissolving template of hollow channel networks in cell-laden hydrogels, Biofabrication doi:10.1088/1758-5090/ac57a7  (2022). (B02)

Hauptstein J, Forster L, Nadernezhad A, Groll J, Teßmar J, Blunk T, Tethered TGF-β1 in a Hyaluronic Acid-Based Bioink for Bioprinting Cartilaginous Tissues, International Journal of Molecular Sciences 23(2) (2022). (A02, A06, B02)

Hauptstein J, Forster L, Nadernezhad A, Horder H, Stahlhut P, Groll J, Blunk T, Teßmar J, Bioink Platform Utilizing Dual-stage Crosslinking of Hyaluronic Acid Tailored for Chondrogenic Differentiation of Mesenchymal Stromal Cells, Macromolecular Bioscience n/a(n/a)  2100331. (A02, A06, B02, C02)

Krasemann S, Haferkamp U, Pfefferle S, Woo MS, Heinrich F, Schweizer M, Appelt-Menzel A, Cubukova A, et al. The blood-brain barrier is dysregulated in COVID-19 and serves as a CNS route for SARS-CoV-2. Stem Cell Rep, 17, doi: 10.1016/j.stemcr.2021.12.011 (2022).

Koenig L, Ramme AP, Faust D, Mayer M, Flötke T, Gerhartl A, Brachner A, Neuhaus W, Appelt-Menzel A, Metzger M, Marx U, Dehne EM. A Human Stem Cell-Derived Brain-Liver Chip for Assessing Blood-Brain-Barrier Permeation of Pharmaceutical Drugs. Cells, 11, doi: 10.3390/cells11203295 (2022).

Choi J, Mathew S, Oerter S, Appelt-Menzel A, Hansmann J, Schmitz T. Online Measurement System for Dynamic Flow Bioreactors to Study Barrier Integrity of hiPSC-Based Blood-Brain Barrier In Vitro Models. Bioengineering-Basel, 9, doi: 10.3390/bioengineering9010039 (2022).

2021

Friedrich RP, Cicha I, Alexiou C, Iron Oxide Nanoparticles in Regenerative Medicine and Tissue Engineering, Nanomaterials 11(9) (2021). (B02)

Ryma M, Tylek T, Bloehbaum J, Fernandez R, Boehm C, Blum C, Kastenmueller W, Gasteiger G, Groll J, Translation of Collagen Ultrastructure to Biomaterial Fabrication for Material Independent but Highly Efficient Topographic Immunomodulation, Adv. Mater. doi:10.1002/adma.202101228  (2021). (B02)

Nadernezhad A, Ryma M, Genç H, Cicha I, Jüngst T, Groll J, Melt Electrowriting of Isomalt for High‐Resolution Templating of Embedded Microchannels, Advanced Materials Technologies doi:10.1002/admt.202100221 (2021). (B02)

Horder H, Guaza Lasheras M, Grummel N, Nadernezhad A, Herbig J, Ergun S, Tessmar J, Groll J, Fabry B, Bauer-Kreisel P, Blunk T, Bioprinting and Differentiation of Adipose-Derived Stromal Cell Spheroids for a 3D Breast Cancer-Adipose Tissue Model, Cells 10(4) (2021) 803. (C02, A02, B02, B04)

Genc H, Hazur J, Karakaya E, Dietel B, Bider F, Groll J, Alexiou C, Boccaccini AR, Detsch R, Cicha I, Differential Responses to Bioink-Induced Oxidative Stress in Endothelial Cells and Fibroblasts, Int. J. Mol. Sci. 22(5) (2021) 2358. (B02, A01, B06)

2020

Sun W, Starly B, Daly AC, Burdick JA, Groll J, Skeldon G, Shu W, Sakai Y, Shinohara M, Nishikawa M, Jang J, Cho DW, Nie M, Takeuchi S, Ostrovidov S, Khademhosseini A, Kamm RD, Mironov V, Moroni L, Ozbolat IT, The bioprinting roadmap, Biofabrication 12(2) (2020) 022002. (B02, B04)

Luebtow MM, Oerter S, Quader S, Jeanclos E, Cubukova A, Krafft M, Haider MS, Schulte C, Meier L, Rist M, Sampetrean O, Kinoh H, Gohla A, Kataoka K, Appelt-Menzel A, Luxenhofer R. In Vitro Blood-Brain Barrier Permeability and Cytotoxicity of an Atorvastatin-Loaded Nanoformulation Against Glioblastoma in 2D and 3D Models. Mol Pharmaceut, 17, doi: 10.1021/acs.molpharmaceut.9b01117 (2020).

Hauptstein J, Bock T, Bartolf-Kopp M, Forster L, Stahlhut P, Nadernezhad A, Blahetek G, Zernecke-Madsen A, Detsch R, Jungst T, Groll J, Tessmar J, Blunk T, Hyaluronic Acid-Based Bioink Composition Enabling 3D Bioprinting and Improving Quality of Deposited Cartilaginous Extracellular Matrix, Adv Healthc Mater 9(15) (2020) 2000737. (A02, A06, B02, B06, Z01)

Dalton PD, Woodfield TBF, Mironov V, Groll J, Advances in Hybrid Fabrication toward Hierarchical Tissue Constructs, Adv Sci (Weinh) 7(11) (2020) 1902953. (A04, B02)

Appelt-Menzel A, Oerter S, Mathew S, Haferkamp U, Hartmann C, Jung M, Neuhaus W, Pless O. Human iPSC-Derived Blood-Brain Barrier Models: Valuable Tools for Preclinical Drug Discovery and Development? Curr Protoc Stem Cell Biol, 55, doi: 10.1002/cpsc.122 (2020).

2019

Gomes SFM, Westermann AJ, Sauerwein T, Hertlein T, Forstner KU, Ohlsen K, Metzger M, Shusta EV, Kim BJ, Appelt-Menzel A, Schubert-Unkmeir A. Induced Pluripotent Stem Cell-Derived Brain Endothelial Cells as a Cellular Model to Study Infection. Front Microbiol, 10, doi: 10.3389/fmicb.2019.01181 (2019).

Ryma M, Blohbaum J, Singh R, Sancho A, Matuszak J, Cicha I, Groll J, Easy-to-Prepare Coating of Standard Cell Culture Dishes for Cell-Sheet Engineering Using Aqueous Solutions of Poly(2-n-propyl-oxazoline), ACS Biomater Sci Eng 5(3) (2019) 1509-1517. (B02)

2018

Groll J, Burdick JA, Cho DW, Derby B, Gelinsky M, Heilshorn SC, Jungst T, Malda J, Mironov VA, Nakayama K, Ovsianikov A, Sun W, Takeuchi S, Yoo JJ, Woodfield TBF, A definition of bioinks and their distinction from biomaterial inks, Biofabrication 11(1) (2018) 013001. (A06, B02, B04)

2025

S. Heilig
Fabricating microfibrillar fiber bundles as cell-guiding additive for bioprinting
ISBF Biofabrication 2025, 15th September 2025, Warsaw, Poland

2023

Jürgen Groll (2023) Poly(2-Oxazolines) as Biomaterial ink and Bioink: from MEW printing vasculature to on-chip fabrication and in-flow 3D-printing of cell-laden microgel constructs. ISBF Biofabrication 2023 on 19th September 2023

Jürgen Groll (2023) Application oriented evolution of MEW : immunomodulation nd microvasculature as example. DGBM Jena on 15th September 2023

Leonid Ionov (2023) Biofabrication with fibers: How to combine 3D bioprinting and programmed fiber spinning. DGBM Jena on 14th September 2023

2022

Jurgen Groll
CRC225 “Biofabrication”: 4 years of large scale integrated biofabrication research in Germany
Meeting of The International Society for Biofabrication 2022, Montecatini Terme (Italy) on 25-28. September 2022                   A06, B02, B04

Matthias Ryma
Generation of Perfusable Microvascular Networks for 3D-Tissue Models via Sacrificial Thermoresponsive Poly(2-oxazoline)s IVM_036
Meeting of The International Society for Biofabrication 2022, Montecatini Terme (Italy) on 25-28. September 2022                    B02

Sven Heilig
Adaption of perfusable microvascular networks with functional endothelium from rocking perfusion to biomimetic monodirectional perfusion IVM_051
Meeting of The International Society for Biofabrication 2022, Montecatini Terme (Italy) on 25-28. September 2022                 B02

2021

Genc H, Hazur J, Karakaya E, Dietel B, Bider F, Groll J, Alexiou C, Boccaccini AR, Detsch R, Cicha I (2021)
Alginate di-Aldehyde-Induced Oxidative Stress in Endothelial Cells and Fibroblasts: Cell-specific Responses
31st Annual Conference of the European Society for Biomaterials (ESB 2021), 5 to 9 September 2021 (A01, B02, B06)

Hauptstein J, Forster L, Nadernezhad A, Groll J, Blunk T, Teßmar J (2021)
Dual-stage Crosslinked Hyaluronic Acid-based Bioink Tailored for Chondrogenic Differentiation of Mesenchymal Stromal Cells
31st Annual Conference of the European Society for Biomaterials (ESB 2021), 5 to 9 September 2021 (A02, A06, B02)

Horder H, Guaza Lasheras M, Grummel N, Nadernezhad A, Herbig J, Ergün S, Teßmar J, Groll J, Fabry B, Bauer-Kreisel P, Blunk T (2021)
A 3D Bioprinted Breast Cancer-Adipose Tissue Model Utilizing Adipose-Derived Stromal Cell Spheroids
31st Annual Conference of the European Society for Biomaterials (ESB 2021), 5 to 9 September 2021 (A02, B02, B04, C02)

Mair VT, Paulus I, Groll J, Ryma M (2021)
Sacrificial thermoresponsive Poly(2-cyclopropyl-oxazoline) as a beneficial material for freeform 3D printing and channel network generation in hydrogels
31st Annual Conference of the European Society for Biomaterials (ESB 2021), 5 to 9 September 2021 (B02)

Genç H, Hazur J, Karakaya E, Dietel B, Bider F, Groll J, Alexiou C, Boccaccini AR, Detsch R, Cicha I (2021)
Alginate di-Aldehyde-Induced Oxidative Stress in Endothelial Cells and Fibroblasts
Cell-specific Responses, September 2021 (Virtual conference)

2020

Hauptstein J, Böck T, Bartolf-Kopp M, Forster L, Stahlhut P, Nadernezhad A, Blahetek G, Zernecke-Madsen A, Detsch R, Jüngst T, Groll J, Teßmar J, Blunk T (2020)
Hyaluronic Acid-based Bioink Composition Enabling 3D Bioprinting and Improving Quality of Deposited Cartilaginous Extracellular Matrix
Materials Science and Engineering (MSE), 22 – 25 September 2020 – Web conference

Nadernezhad A, Ryma M, Genc H, Cicha I, Groll J (2020)
Design of pre-endothelialized microvascular structures for biofabrication of in vitro tissue models
5th Bioinspired Materials 2020 Conference, 16 – 19 March 2020 – Web conference

2019

Genç G, Ryma M, Schneidereit D, Nadernezhad A, Groll J, Cicha I (2019)
Efficiency of pre-endothelialization by using sacrificial microvessel structures for biofabrication of tissue models
ISBF 2019, Columbus, Ohio, USA

Genç H, Ryma M, Schneidereit D, Nadernezhad A, Groll J, Cicha I (2019)
Pre-endothelialization of sacrificial microvessel structures for biofabrication of tissue models
30th Annual Conference of the European Society for Biomaterials in tandem with the 26thAnnual Conference of the German Society for Biomaterials (DGBM); September 9 to 13, 2019 (Dresden, Germany)

Ryma M, Tylek T, Blöhbaum J, Fernandez R, Groll J (2019)
Melt-Electrowritten 3D Scaffolds Based on Aligned Nano-Structured Microfibers for Topography-Mediated Immunomodulation of Human Macrophages
30th Annual Conference of the European Society for Biomaterials in tandem with the 26thAnnual Conference of the German Society for Biomaterials (DGBM); September 9 to 13, 2019 (Dresden, Germany)

Groll J (2019)
3D Printable Hydrogel-Bioinks: Rheological Implications and the Importance of Controlled Network Formation
TERMIS European Chapter Meeting 2019 27th-31st May 2019, Rhodes, Greece Tissue Engineering Therapies: From Concept to Clinical Translation & Commercialisation

Groll J (2019) Biofabrication – Chances, Challenges and Limits, Euro BioMAT 2019, 08 – 09 May 2019 (Jena-Weimar, Germany)

2018

Groll J (2018)
Biofabrication research at FMZ: from solution electrospun meshes to thiol-ene cross-linked hydrogel-bioinks
International Conference on Additive Manufacturing and Biomanufacturing,  2-4 December 2018 (Beijing, China)

Groll J (2018)
Bio-ink development for Biofabrication
International Conference on Emerging Healthcare Materials, 15-16 November 2018 (Seoul, South-Korea)

Groll J (2018)
SFB/TRR 225: From the Fundamentals of Biofabrication to Functional Tissue Models
International Conference on Biofabrication (ISBF) 2018, 28-31 October 2018 (Würzburg, Germany)

Ryma M, Blöhbaum J, Böhm C, Genc H, Dalton P, Cicha I, Groll J (2018)
Prevascularization of Tissue Engineered Constructs via Melt Electrowriting of Thermoresponsive Poly(2-Oxazoline)s
International Conference on Biofabrication (ISBF) 2018, 28-31 October 2018 (Würzburg, Germany)

Groll J (2018) Hydrogels as Bioinks for Biofabrication, MSE conference, 26 – 28 September 2018, (Darmstadt, Germany)

Groll J (2018)
Melt Electro Writing at the Department of Functional Materials in Medicine and Dentistry
Annual Meeting of the European Society for Biomaterials,  10-13 September 2018 (Maastricht, Netherlands)

Groll J (2018)
Biofabrication: Status of the field and translational perspective
3D-BioNET-working-event,  18 July 2018 (Freiburg im Breisgau, Germany)

Groll J (2018)
Biotinten: 3D-Druckbare Hydrogele als Schlüssel zum BioPrinting
Materialinnovationen 2018 – Vom Material zur Innovation, Konferenz zur Materialforschung des BMBF, 4-6. June 2018, (München, Germany)

Groll J (2018)
Hydrogels as “Bio-inks” for Biofabrication
2nd Theodore von Kármán – Discussion Conference on Materials for Life: Bioinspired and Biomimetic Hydrogels, 15-18 April 2018, (Bensberg, Germany).

Groll J (2018)
Bioinks: Concepts, Rheological Considerations and Recent Trends
TERMIS workshop on 3D Printing in Musculoskeletal Tissue Engineering: Bioprinting in Action, 23 March 2018 (Warsaw, Poland)

Groll J (2018) 3D-Druckbare Hydrogele als Tinten für die Biofabrikation, Thüringer Biomaterial Kolloquium, 13. – 15. March 2018 (Zeulenroda, Germany)

2025

S. Heilig
Fabricating microfibrillar fiber bundles as cell-guiding additive for bioprinting
ISBF Biofabrication 2025, 14th-17th September 2025, Warsaw, Poland

2022

Hatice Genc,  Alessandro Cianciosi, Raphael Lohse, Jürgen Groll, Tomasz Jüngst, Iwona Cicha
Tailoring gelAGE-based hydrogels to support long-term survival and function of primary human cells
Tissue Engineering and Regenerative Medicine International Society, Inc.- European Chapter 2022 TERMIS-EU Conference, 28th of June- 1st of July 2022, Krakow-Poland           B02

Robin Dai, Sven Heilig, Hatice Genc, Matthias Ryma, Iwona Cicha, Jürgen Groll
SFB/TRR 225 Project B02: Endothelialized perfusable microvascular networks for biofabrication of standardised in vitro tissue models
Symposium “Biofabrication meets Infection” Würzburg on 25-28- September 2022         B02

Raphael Lohse, Robin Dai, Hatice Genc, Leonard Forster, Joerg Tessmar, Iwona Cicha
Development of experimental set-up for embedding human endothelial cells and fibroblasts in thiolated hyaluronic acid hydrogels
Meeting of The International Society for Biofabrication 2022, Montecatini Terme (Italy) on 25-28- September 2022 https://www.biofabrication2022.org/   A02, B02

Ali Nadernezhad

Previous academic education: Master of Science in Biomedical Engineering (Biomaterials)
Academic Advisor within SFB TRR225: Prof. Dr. Jürgen Groll
Location: Department of functional material in medicine and dentistry, University of Würzburg
Topic of thesis: Pre-endothelialized perfusable microvascular vesselsystems for biofabrication of standardized tissue models
Main techniques and methodologies to be used: Melt Electrowriting, 3D cell culture

Hatice Genc

Previous academic education: Master thesis: Anti-angiogenic drug development, PhD course: Nanoparticles for Photodynamic Cancer Therapy, Research projects: Nanoparticle Biocompatibility
Academic Advisor within SFB TRR225: Prof. Dr. Iwona Cicha
Location: University Hospital Erlangen, Section of Experimental Oncology and Nanomedicine
Topic of thesis: Pre-endothelialized perfusable microvascular networks for biofabrication of standardized in vitro tissue models
Main techniques and methodologies to be used: Cell Colonization, Cell response to hydrogels, Biocompatibility, Functionality of microvascular networks, Angiogenesis

Dr. rer. nat. Antje Appelt-Menzel

  • 2025 –  Reviewer for the preparation of the scientific program for the annual meeting of the International Society for Stem Cell Research (ISSCR) 2025 in Hong Kong
  • 2024 – Organizer of the “1st International Symposium of the Würzburg Initiative 3R (WI3R)”, Würzburg
  • 2019 – Organizer of the “22nd International Symposium on Signal Transduction at the Blood-Brain Barriers”, Würzburg
  • Since 2022 – Member of the German Stem Cell Network (GSCN)
  • Since 2022 – Member of the Würzburg Initiative 3 R (Wi3R)
  • Since 2024 – Member of the International Society for Stem Cell Research (ISSCR)
  • 2023 – 2025 – Co-founder and member of the Business Science Network “Nur Gemeinsam” (via the Women’s Leadership Program of the JMU Gender Forum)
  • 2025 – Member of LAYA. Lead as you are, The Würzburg Women’s Leadership Network

Prof. Dr. Iwona Cicha

Dr. rer. nat. Matthias Ryma