3D tumor angiogenesis models: recent advances and challenges

Bhat, Sharath M and Badiger, Vaishnavi A and Vasishta, Sampara and Prasad, Seetharam and Joshi, Manjunath B (2021) 3D tumor angiogenesis models: recent advances and challenges. Journal of Cancer Research and Clinical Oncology, 147 (12). pp. 3477-3494. ISSN 0171-5216

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The development of blood vessels, referred to as angiogenesis, is an intricate process regulated spatially and temporally through a delicate balance between the qualitative and quantitative expression of pro and anti-angiogenic molecules. As angiogenesis is a prerequisite for solid tumors to grow and metastasize, a variety of tumor angiogenesis models have been formulated to better understand the underlying mechanisms and associated clinical applications. Studies have demonstrated independent mechanisms inducing angiogenesis in tumors such as (a) HIF-1/VEGF mediated paracrine interactions between a cancer cell and endothelial cells, (b) recruitment of progenitor endothelial cells, and (c) vasculogenic mimicry. Moreover,single-cell sequencing technologies have indicated endothelial cell heterogeneity among organ systems including tumor tissues. However, existing angiogenesis models often rely upon normal endothelial cells which signifcantly difer from tumor endothelial cells exhibiting distinct (epi)genetic and metabolic signatures. Besides, the existence of intra-individual variations necessitates the development of improved tumor vascular model systems for personalized medicine. In the present review,we summarize recent advancements of 3D tumor vascular model systems which include (a) tissue engineering-based tumor models; (b) vascular organoid models, and (c) organ-on-chips and their importance in replicating the tumor angiogenesis along with the associated challenges to design improved models

Item Type: Article
Uncontrolled Keywords: 3D model systems; Organoid models; Organ on chip; Tumor angiogenesis
Subjects: Life Sciences > MLSC Manipal
Medicine > KMC Manipal > Surgery
Depositing User: KMC Library
Date Deposited: 29 Dec 2021 08:50
Last Modified: 29 Dec 2021 08:50
URI: http://eprints.manipal.edu/id/eprint/157818

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