Biomaterials & Biomimetics Laboratory, School of Life Sciences, Central University of Gujarat, Gandhinagar, 382030, India.
Macromol Biosci. 2022 Nov;22(11):e2200196. doi: 10.1002/mabi.202200196. Epub 2022 Sep 3.
For substantial in vitro cancer biology research, the 3D cell culture method has now been regarded as more suitable model expected to be recapitulating maximum in vivo tumor mass relevance. Despite of available techniques to develop in vitro 3D models, a system availing a physiologically relevant in vitro 3D model of primary lung adenocarcinoma with extracellular matrix (ECM) mimicry and similar tumorigenic properties still remains a quest. Thus, in the present study, chemically modified Dextran-Chitosan (MDC) hydrogel has been developed as a 3D tumoroid aiding scaffold. The 3D A549 tumoroids aided by the MDC scaffold have physiologically relevant proliferation, migration, invasive potential, and Gefitinib [targeting epidermal growth factor receptor (EGFR)] efficacy as compared to the 2D cultured cells. The surface topography and wettability of hydrogel availed in vivo micro tumor mass mimicking Lung adenocarcinoma 3D in vitro model. Thus, opening an innovative avenue for elucidating the disease mechanism and drug efficacy on relevant 3D cancer models in vitro.
对于大量的体外癌症生物学研究,3D 细胞培养方法现在被认为是更合适的模型,有望最大程度地重现体内肿瘤的相关性。尽管有可用于开发体外 3D 模型的技术,但仍需要开发一种具有细胞外基质(ECM)模拟和类似致瘤特性的生理相关的原发性肺腺癌体外 3D 模型的系统。因此,在本研究中,化学修饰的葡聚糖-壳聚糖(MDC)水凝胶被开发为 3D 类器官辅助支架。与 2D 培养细胞相比,MDC 支架辅助的 3D A549 类器官具有生理相关的增殖、迁移、侵袭潜力和吉非替尼(针对表皮生长因子受体(EGFR))疗效。水凝胶的表面形貌和润湿性模拟了体内微肿瘤块,为体外肺腺癌 3D 模型提供了创新的途径来阐明疾病机制和药物疗效。