Drug Screening of Human GBM Spheroids in Brain Cancer Chip.

Abstract:

:Glioblastoma multiforme (GBM), an extremely invasive and high-grade (grade IV) glioma, is the most common and aggressive form of brain cancer. It has a poor prognosis, with a median overall survival of only 11 months in the general GBM population and 14.6 to 21 months in clinical trial participants with standard GBM therapies, including maximum safe craniotomy, adjuvant radiation, and chemotherapies. Therefore, new approaches for developing effective treatments, such as a tool for assessing tumor cell drug response before drug treatments are administered, are urgently needed to improve patient survival. To address this issue, we developed an improved brain cancer chip with a diffusion prevention mechanism that blocks drugs crossing from one channel to another. In the current study, we demonstrate that the chip has the ability to culture 3D spheroids from patient tumor specimen-derived GBM cells obtained from three GBM patients. Two clinical drugs used to treat GBM, temozolomide (TMZ) and bevacizumab (Avastin, BEV), were applied and a range of relative concentrations was generated by the microfluidic channels in the brain cancer chip. The results showed that TMZ works more effectively when used in combination with BEV compared to TMZ alone. We believe that this low-cost brain cancer chip could be further developed to generate optimal combination of chemotherapy drugs tailored to individual GBM patients.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Akay M,Hite J,Avci NG,Fan Y,Akay Y,Lu G,Zhu JJ

doi

10.1038/s41598-018-33641-2

subject

Has Abstract

pub_date

2018-10-18 00:00:00

pages

15423

issue

1

issn

2045-2322

pii

10.1038/s41598-018-33641-2

journal_volume

8

pub_type

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