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  • Expand your drug discovery capacity, shoulder to shoulder with our scientific team. Proprietary human disease biology in the OrganoPlate® platform. Together we make the therapeutics of tomorrow.
  • We create novel human tissue and disease models in the OrganoPlate® platform. Our experts are looking forward to developing assays according to your specifications.
  • Get robust compound data in human tissue models through our services. With proven pheno­typic assays in the OrganoPlate® platform, we support your drug discovery and development needs.
  • We offer several services to support your drug discovery and development needs. Find the overview here.
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  • Layered tissues with perfused tubules in the absence of artificial membranes form the heart of our permeability and transport science. Study cell interactions, permeability, absorption, transport, and transcytosis without physical barriers.

  • Co-culture layered & structured tissues without artificial membranes with perfect imaging, to study barrier-free cellular interactions, cell-cell signaling, and migration.

  • Evaluate the effect of chemotactic triggers or cells on the migration of cells through an extracellular matrix.

  • Membrane-free microvascular formation and growth through an extracellular matrix (ECM).

  • The missing link in tissue culture: add perfusable human vasculature to your tissue models, and recreate sophisticated microenvironments with OrganoPlate® Graft.

  • OrganoPlate® enables you to study relevant 3D tissue biology by incorporating perfused tubules, co-culture, and full control over the tissue microenvironment. Find the overview of applications here.

  • Visit our Knowledge Center to get up to speed with 3D tissue culture and to learn how OrganoPlate® supports your research needs.

    Read our publications, application notes, watch our webinars, or check out the supporting protocols and brochures. All compiled for you, by our scientists.

  • Get inspired by peer-reviewed publications of our scientists, partners, and customers around the globe.

  • Get inspired by research done by our scientists, partners, and customers around the globe.

  • Giving you some food for thought. Read our blogs to learn more about 3D tissue culture, research backgrounds, developments, and its future outlook.
  • Kickstart your experiments with the most sophisticated 3D tissue culture platform. Find out which training fits your 3D tissue modeling needs best.
  • Any support questions about purchasing, products, or 3D tissue culture and analysis? Get in touch with our experts.
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EN

A 3D Perfusable Platform for In Vitro Culture of Patient Derived Xenografts

Leiden, January 5, 2023 - Scientists from MIMETAS and the University of Texas Health Center develop a model system that supports the culture of clinically relevant PDX cells that recapitulate aspects of the prostate cancer (PCa) tumor microenvironment (TME).

Advancements in cancer models have paved the way for revised and improved systems, such as patient-derived xenografts (PDX), that better replicate the human condition. PDXs are developed through patient tumor tissue implantation and serial propagation in murine hosts and as such, closely maintain parental tumor morphology, heterogeneity, gene expression, and drug response. This addresses the lack of translatability seen between traditional monolayer cultures used for high throughput screening (HTS) in developing anti-cancer compounds, and tumor cells in situ morphology.

Whilst recent PDX-based clinical trials have improved the predictability of laboratory drug assays toward human use, moving to scaled up exploratory studies prove difficult due to time-, labor- and cost-intensity of incorporating murine models. Complex multilineage co-cultures of the TME also further complicate ex vivo implementation. When looking at prostate cancer in particular, applications of PDX models are scarce and most likely due to poor take rate. As such, there is a need for platforms that enable the use of PDX-derived tissue, and in particular of PCa-derived models. Recent developments in three-dimensional (3D) in vitro cell culture models have shown promise in bridging the gap between in vivo and traditional in vitro cell cultures, allowing the incorporation of microenvironmental cues essential in tumorigenesis, metastasis, treatment response, and other aspects of cancer biology.

To this end, scientists used the OrganoPlate®, a state-of-the-art microfluidics-based perfusion-enabled device, to develop multiple PCa-derived PDX models as 3D clusters within engineered biomimetic hydrogel matrices, alongside bone marrow-derived stromal cells and a perfused endothelial channel. Polymeric hydrogel matrices were customized for each cell type, enabling cell survival in vitro and facile imaging across all conditions. PCa PDXs showed unique morphologies and interactions with TME partners, retention of known phenotype, and expected response to standard PCa therapeutics.

The results presented in the article provide a paradigm that enables in vitro use of PCa PDXs in a high-throughput compatible format, which has not been accessible previously.

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