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Biomaterials and Biomedical Engineering
  Volume 3, Number 3, September 2016 , pages 141-155
 open access

A review on three dimensional scaffolds for tumor engineering
Seda Ceylan and Nimet Bölgen

    Two-dimensional (2D) cell culture and in vivo cancer model systems have been used to understand cancer biology and develop drug delivery systems for cancer therapy. Although cell culture and in vivo model studies have provided critical contribution about disease mechanism, these models present important problems. 2D tissue culture models lack of three dimensional (3D) structure, while animal models are expensive, time consuming, and inadequate to reflect human tumor biology. Up to the present, scaffolds and 3D matrices have been used for many different clinical applications in regenerative medicine such as heart valves, corneal implants and artificial cartilage. While tissue engineering has focused on clinical applications in regenerative medicine, scaffolds can be used in in vitro tumor models to better understand tumor relapse and metastasis. Because 3D in vitro models can partially mimic the tumor microenvironment as follows. This review focuses on different scaffold production techniques and polymer types for tumor model applications in cancer tissue engineering and reports recent studies about in vitro 3D polymeric tumor models including breast, ewing sarcoma, pancreas, oral, prostate and brain cancers.
Key Words
    polymeric scaffolds; 3D tumor models; cancer tissue engineering; in vitro cancer research
Seda Ceylan and Nimet Bölgen: Mersin University, Engineering Faculty, Chemical Engineering Department, Mersin, Turkey
Seda Ceylan: Adana Science and Technology University, Bioengineering Department, Adana, Turkey

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