New lab photo (as on Nov-16)

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The photograph of the team has been updated. Please visit the following page for details.

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New synthetic hydrogels for tumour spheroids and intestinal organoid cultures (publication)

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  We collaborated with groups of Prof. Richard Hoogenboom and Prof. Devriendt (Ghent University) and tested application of poly(2-alkyl-2-oxazoline) hydrogels (PAOx) for 3D cell cultures of cancer and stem cells. We found that encapsulation of small intestinal organoids into PAOx hydrogels results in polarity reversion, i.e. transition from basal to apical-out phenotype. This is useful for studying drug delivery, nutrient absorption and host-microbiota interactions within this model.  This figure shows dramatic differences of mitochondrial polarisation (TMRM) and appearance (transmission light) in small intestinal organoids, observed after apical-out transition (PAOx), in contrast to conventional Matrigel-grown culture: Since the PAOx hydrogels can show variable mechanical properties, we tested if encapsulation into stiff and soft hydrogels can affect behaviour of cancer cells in 3D: indeed, with HCT116 spheroids we found that stiffness of the hydrogels affect cell migration f...
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New publication: evaluation of GelMA as a Matrigel replacement for small intestinal organoids

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      In our new study (collaboration between Ghent University and Rousselot BV) we report application of GelMA (gelatin methacryloyl) hydrogels with tuneable mechanical properties and added laminin to the culture of the small intestinal organoids. We found that mechanical properties alone are not sufficient for basement membrane support, resulting in polarity reversion, in contrast to the Matrigel-grown cultures. Altogether, observed polarity reversion phenomenon highlights importance of the further research in biochemical factors, directing cell polarity in the epithelial cells, while it also provides a tractable way for producing 'apical-out' organoids. Congratulations to Lenie (for her work on this MSc research project), Irina (for her supervision and driving force), Thomas and Ruben for expertise with gelatins and Bert for expertise with pig intestinal organoids. The work has been published in the Journal of Tissue Engineering (Open Access): https://journals.sagepub...
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Happy New Year 2025! New publications.

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Wow, time really does fly! It's been a while since our previous update but by no means our team was idle.  End of 2024 was memorable with exciting conferences, including SPAOM 2024, Histochemical Society Annual online meeting 2024, FHERITALE consortium and others! We've received funding to study neurodevelopmental and neurodegenerative diseases (more news soon) so we can plan new & exciting research projects. Our team currently hosts 2 international researchers, Valerie Cote and Dr. Simone Perottoni, both learning and doing exciting science in FLIM, organoids and imaging of cancer cells / tissues. In addition, we are looking forward to host more of PhD students from FLIMagin3D consortium! Here are some recent publications, from our team and collaborative research projects: Sheehan A, Okkelman IA, Groslambert G, Bucher C, Dmitriev RI, Filatov MA: Optoelectronic Properties and Fluorescence Lifetime Imaging Application of Donor-Acceptor Dyads Derived From 2,6-DicarboxyBODIPY ...
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