The generation of glioma organoids and the comparison of two culture methods

Author:

Zhang Yang1ORCID,Shao Yunxiang1,Li Yanyan2,Li Xuetao1,Zhang Xuewen1,E Qinzhi1,Wang Weichao1,Jiang Zuoyu1,Gan Wenjuan1,Huang Yulun1

Affiliation:

1. Department of Neurosurgery The Fourth Affiliated Hospital of Soochow University Suzhou China

2. Department of Neurosurgery The First Affiliated Hospital of Soochow University Suzhou China

Abstract

AbstractBackgroundThe intra‐ and inter‐tumoral heterogeneity of gliomas and the complex tumor microenvironment make accurate treatment of gliomas challenging. At present, research on gliomas mainly relies on cell lines, stem cell tumor spheres, and xenotransplantation models. The similarity between traditional tumor models and patients with glioma is very low.AimsIn this study, we aimed to address the limitations of traditional tumor models by generating patient‐derived glioma organoids using two methods that summarized the cell diversity, histological features, gene expression, and mutant profiles of their respective parent tumors and assess the feasibility of organoids for personalized treatment.Materials and MethodsWe compared the organoids generated using two methods through growth analysis, immunohistological analysis, genetic testing, and the establishment of xenograft models.ResultsBoth types of organoids exhibited rapid infiltration when transplanted into the brains of adult immunodeficient mice. However, organoids formed using the microtumor method demonstrated more similar cellular characteristics and tissue structures to the parent tumors. Furthermore, the microtumor method allowed for faster culture times and more convenient operational procedures compared to the Matrigel method.DiscussionPatient‐derived glioma organoids, especially those generated through the microtumor method, present a promising avenue for personalized treatment strategies. Their capacity to faithfully mimic the cellular and molecular characteristics of gliomas provides a valuable platform for elucidating tumor biology and evaluating therapeutic modalities.ConclusionThe success rates of the Matrigel and microtumor methods were 45.5% and 60.5%, respectively. The microtumor method had a higher success rate, shorter establishment time, more convenient passage and cryopreservation methods, better simulation of the cellular and histological characteristics of the parent tumor, and a high genetic guarantee.

Funder

National Natural Science Foundation of China

Publisher

Wiley

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