Mungenast, Lena

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Mungenast
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Lena
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Mungenast, Lena

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2022 - 20232
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Autor:in: Suter-Dick, Laura ×

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  • Vorschaubild
    Publikation
    Electrospun decellularized extracellular matrix scaffolds promote the regeneration of injured neurons
    (Elsevier, 09/2023) Mungenast, Lena; Nieminen, Ronya; Gaiser, Carine; Faia-Torres, Ana Bela; Rühe, Jürgen; Suter-Dick, Laura [in: Biomaterials and Biosystems]
    01A - Beitrag in wissenschaftlicher Zeitschrift
  • Vorschaubild
    Publikation
    Directional submicrofiber hydrogel composite scaffolds supporting neuron differentiation and enabling neurite alignment
    (MDPI, 29.09.2022) Selvi, Jasmin; Faia-Torres, Ana Bela; Rühe, Jürgen; Züger, Fabian; Suter-Dick, Laura; Mungenast, Lena; Gullo, Maurizio [in: International Journal of Molecular Sciences]
    Cell cultures aiming at tissue regeneration benefit from scaffolds with physiologically relevant elastic moduli to optimally trigger cell attachment, proliferation and promote differentiation, guidance and tissue maturation. Complex scaffolds designed with guiding cues can mimic the anisotropic nature of neural tissues, such as spinal cord or brain, and recall the ability of human neural progenitor cells to differentiate and align. This work introduces a cost-efficient gelatin-based submicron patterned hydrogel–fiber composite with tuned stiffness, able to support cell attachment, differentiation and alignment of neurons derived from human progenitor cells. The enzymatically crosslinked gelatin-based hydrogels were generated with stiffnesses from 8 to 80 kPa, onto which poly(ε-caprolactone) (PCL) alignment cues were electrospun such that the fibers had a preferential alignment. The fiber–hydrogel composites with a modulus of about 20 kPa showed the strongest cell attachment and highest cell proliferation, rendering them an ideal differentiation support. Differentiated neurons aligned and bundled their neurites along the aligned PCL filaments, which is unique to this cell type on a fiber–hydrogel composite. This novel scaffold relies on robust and inexpensive technology and is suitable for neural tissue engineering where directional neuron alignment is required, such as in the spinal cord.
    01A - Beitrag in wissenschaftlicher Zeitschrift