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Interactions of tumour cells with the surrounding microenvironment play a role in tumour survival, invasion capacity and drug resistance. Cancer models that retain tissue architecture and tumour microenvironment components are therefore essential to understand drug response and resistance mechanisms. Herein, our goal was to develop a long-term OvC patient-derived explant (OvC-PDE) culture strategy in which architecture and cell type heterogeneity of the original tumour would be retained. Samples from 25 patients with distinct OvC types and one with a benign tumour, were cultured for 30\u00a0days in agitation-based culture systems with 100% success rate. OvC-PDE cultures retained the original tumour architecture and main cellular components: epithelial cells, fibroblasts and immune cells. Epithelial cells kept their original levels of proliferation and apoptosis. Moreover, the major extracellular components, such as collagen-I and -IV, were retained in explants. OvC-PDE cultures were exposed to standard-of-care chemotherapeutics agents for 2\u00a0weeks, attesting the ability of the platform for drug assays employing cyclic drug exposure regimens. We established an OvC-PDE dynamic culture in which tumour architecture and cell type heterogeneity were preserved for the different OvC types<jats:italic>,<\/jats:italic> replicating features of the original tumour and compatible with long-term drug exposure for drug efficacy and resistance studies.<\/jats:p>","DOI":"10.1038\/s41598-020-76291-z","type":"journal-article","created":{"date-parts":[[2020,11,10]],"date-time":"2020-11-10T11:02:41Z","timestamp":1605006161000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Patient-derived ovarian cancer explants: preserved viability and histopathological features in long-term agitation-based cultures"],"prefix":"10.1038","volume":"10","author":[{"given":"Sofia","family":"Abreu","sequence":"first","affiliation":[]},{"given":"Fernanda","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Rita","family":"Mendes","sequence":"additional","affiliation":[]},{"given":"Teresa F.","family":"Mendes","sequence":"additional","affiliation":[]},{"given":"Marta","family":"Teixeira","sequence":"additional","affiliation":[]},{"given":"V\u00edtor E.","family":"Santo","sequence":"additional","affiliation":[]},{"given":"Erwin R.","family":"Boghaert","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2653-2262","authenticated-orcid":false,"given":"Ana","family":"F\u00e9lix","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8926-279X","authenticated-orcid":false,"given":"Catarina","family":"Brito","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2020,11,10]]},"reference":[{"key":"76291_CR1","unstructured":"America Institute for Cancer Research. 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