3D Bioprinted In Vitro Metastatic Models via Reconstruction of Tumor Microenvironments

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3 Citations (Scopus)

Abstract

The development of 3D in vitro models capable of recapitulating native tumor microenvironments could improve the translatability of potential anticancer drugs and treatments. Here, 3D bioprinting techniques are used to build tumor constructs via precise placement of living cells, functional biomaterials, and programmable release capsules. This enables the spatiotemporal control of signaling molecular gradients, thereby dynamically modulating cellular behaviors at a local level. Vascularized tumor models are created to mimic key steps of cancer dissemination (invasion, intravasation, and angiogenesis), based on guided migration of tumor cells and endothelial cells in the context of stromal cells and growth factors. The utility of the metastatic models for drug screening is demonstrated by evaluating the anticancer efficacy of immunotoxins. These 3D vascularized tumor tissues provide a proof-of-concept platform to i) fundamentally explore the molecular mechanisms of tumor progression and metastasis, and ii) preclinically identify therapeutic agents and screen anticancer drugs.

Original languageEnglish (US)
Article number1806899
JournalAdvanced Materials
Volume31
Issue number10
DOIs
StatePublished - Mar 8 2019

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Tumors
Cells
Pharmaceutical Preparations
Immunotoxins
Endothelial cells
Biocompatible Materials
Biomaterials
Capsules
Intercellular Signaling Peptides and Proteins
Screening
Tissue

Keywords

  • 3D printing
  • bioprinting
  • cell migration
  • drug screening
  • metastatic cancer model
  • tumor microenvironment

PubMed: MeSH publication types

  • Journal Article

Cite this

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title = "3D Bioprinted In Vitro Metastatic Models via Reconstruction of Tumor Microenvironments",
abstract = "The development of 3D in vitro models capable of recapitulating native tumor microenvironments could improve the translatability of potential anticancer drugs and treatments. Here, 3D bioprinting techniques are used to build tumor constructs via precise placement of living cells, functional biomaterials, and programmable release capsules. This enables the spatiotemporal control of signaling molecular gradients, thereby dynamically modulating cellular behaviors at a local level. Vascularized tumor models are created to mimic key steps of cancer dissemination (invasion, intravasation, and angiogenesis), based on guided migration of tumor cells and endothelial cells in the context of stromal cells and growth factors. The utility of the metastatic models for drug screening is demonstrated by evaluating the anticancer efficacy of immunotoxins. These 3D vascularized tumor tissues provide a proof-of-concept platform to i) fundamentally explore the molecular mechanisms of tumor progression and metastasis, and ii) preclinically identify therapeutic agents and screen anticancer drugs.",
keywords = "3D printing, bioprinting, cell migration, drug screening, metastatic cancer model, tumor microenvironment",
author = "Fanben Meng and Meyer, {Carolyn M} and Daeha Joung and Vallera, {Daniel A} and Michael McAlpine and Angela Panoskaltsis-Mortari",
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AU - Meng, Fanben

AU - Meyer, Carolyn M

AU - Joung, Daeha

AU - Vallera, Daniel A

AU - McAlpine, Michael

AU - Panoskaltsis-Mortari, Angela

PY - 2019/3/8

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N2 - The development of 3D in vitro models capable of recapitulating native tumor microenvironments could improve the translatability of potential anticancer drugs and treatments. Here, 3D bioprinting techniques are used to build tumor constructs via precise placement of living cells, functional biomaterials, and programmable release capsules. This enables the spatiotemporal control of signaling molecular gradients, thereby dynamically modulating cellular behaviors at a local level. Vascularized tumor models are created to mimic key steps of cancer dissemination (invasion, intravasation, and angiogenesis), based on guided migration of tumor cells and endothelial cells in the context of stromal cells and growth factors. The utility of the metastatic models for drug screening is demonstrated by evaluating the anticancer efficacy of immunotoxins. These 3D vascularized tumor tissues provide a proof-of-concept platform to i) fundamentally explore the molecular mechanisms of tumor progression and metastasis, and ii) preclinically identify therapeutic agents and screen anticancer drugs.

AB - The development of 3D in vitro models capable of recapitulating native tumor microenvironments could improve the translatability of potential anticancer drugs and treatments. Here, 3D bioprinting techniques are used to build tumor constructs via precise placement of living cells, functional biomaterials, and programmable release capsules. This enables the spatiotemporal control of signaling molecular gradients, thereby dynamically modulating cellular behaviors at a local level. Vascularized tumor models are created to mimic key steps of cancer dissemination (invasion, intravasation, and angiogenesis), based on guided migration of tumor cells and endothelial cells in the context of stromal cells and growth factors. The utility of the metastatic models for drug screening is demonstrated by evaluating the anticancer efficacy of immunotoxins. These 3D vascularized tumor tissues provide a proof-of-concept platform to i) fundamentally explore the molecular mechanisms of tumor progression and metastasis, and ii) preclinically identify therapeutic agents and screen anticancer drugs.

KW - 3D printing

KW - bioprinting

KW - cell migration

KW - drug screening

KW - metastatic cancer model

KW - tumor microenvironment

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