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Quartile: search.filters.quartile.Q3Subject: search.filters.subject.Multidisciplinary sciences

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    Culturing, freezing, processing, and imaging of entire organoids and spheroids while still in a hydrogel
    (Journal of Visualized Experiments, 2022) Tok, Olgu Enis; Demirel, Gamze; Saatçi, Yusuf; Akbulut, Zeynep; Aktaş, Ranan Gülhan; N/A; Kayalar, Özgecan; Researcher; Koç University Research Center for Translational Medicine (KUTTAM) / Koç Üniversitesi Translasyonel Tıp Araştırma Merkezi (KUTTAM); N/A; N/A
    Organoids and spheroids, three-dimensional growing structures in cell culture labs, are becoming increasingly recognized as superior models compared to two-dimensional culture models, since they mimic the human body better and have advantages over animal studies. However, these studies commonly face problems with reproducibility and consistency. During the long experimental processes -with transfers of organoids and spheroids between different cell culture vessels, pipetting, and centrifuging -these susceptible and fragile 3D growing structures are often damaged or lost. Ultimately, the results are significantly affected, since the 3D structures cannot maintain the same characteristics and quality. The methods described here minimize these stressful steps and ensure a safe and consistent environment for organoids and spheroids throughout the processing sequence while they are still in a hydrogel in a multipurpose device. The researchers can grow, freeze, thaw, process, stain, label, and then examine the structure of organoids or spheroids under various high-tech instruments, from confocal to electron microscopes, using a single multipurpose device. This technology improves the studies' reproducibility, reliability, and validity, while maintaining a stable and protective environment for the 3D growing structures during processing. In addition, eliminating stressful steps minimizes handling errors, reduces time taken, and decreases the risk of contamination.