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Isolation and Flow Cytometric Analysis of Glioma-infiltrating Peripheral Blood Mononuclear Cells
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Cell Cycle-Related FAM64A Could be Activated by TGF-β Signaling to Promote Glioma Progression
Minjie Fu1,2,3,4,5, Jingwen Zhang1,6, Licheng Zhang1,2,3,4,5
1Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
Cellular and Molecular Neurobiology
|April 20, 2023
Summary
FAM64A, a cell cycle gene, drives glioma growth and poor prognosis. Silencing FAM64A halts proliferation and migration, offering a potential therapeutic target for aggressive brain tumors.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Gliomas are aggressive brain tumors with uncontrolled cell proliferation.
- FAM64A is a cell cycle-related gene implicated in tumor growth.
- The role and regulation of FAM64A in gliomas are not well understood.
Purpose of the Study:
- To investigate FAM64A expression and its clinical significance in gliomas.
- To elucidate the functional role of FAM64A in glioma cell proliferation and migration.
- To explore the regulatory mechanisms of FAM64A, including its interaction with TGF-β signaling.
Main Methods:
- Analysis of FAM64A expression in gliomas of varying grades.
- Construction and utilization of FAM64A-silenced glioma cell lines.
- Single-cell expression profiling.
- Assessment of cell proliferation, migration, and cell cycle progression.
- Investigation of TGF-β signaling pathway and SMAD4 co-localization.
Main Results:
- FAM64A is highly expressed in glioblastoma and correlates with poor prognosis.
- FAM64A promotes glioma cell proliferation in a cell-cycle-dependent manner.
- FAM64A silencing impairs glioma cell proliferation and migration, causing G2/M phase arrest.
- TGF-β signaling upregulates FAM64A, which co-localizes with SMAD4 in high-grade gliomas.
- FAM64A knockdown inhibits TGF-β-induced epithelial-mesenchymal transition.
Conclusions:
- FAM64A is a key driver of glioma progression and is associated with poor patient outcomes.
- FAM64A plays a critical role in regulating glioma cell proliferation, migration, and cell cycle.
- FAM64A is regulated by TGF-β signaling and contributes to epithelial-mesenchymal transition in gliomas.
- FAM64A represents a promising diagnostic and therapeutic target for glioma treatment.
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