gene_expression_database [Neurosurgery Wiki]

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The Gene Expression Database (GXD) is a community resource for gene expression information from the laboratory mouse. GXD stores and integrates different types of expression data and makes these data freely available in formats appropriate for comprehensive analysis.
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Four [[gene expression database]]s (GEO, TCGA, GTEx and CCLE) were enrolled in a study and used for [[TROAP]] expression and [[survival analysis]]. TROAP expression was quantified by [[qRT-PCR]], [[western blot]] and [[immunohistochemistry]] assays in [[glioma]] [[tissue]]s and [[cell line]]s. TROAP [[knockdown]] and [[overexpression]] vector were constructed and transfected into [[glioma cell]]s. [[CCK-8]], [[colony formation]], [[transwell]], and wound healing assays were used to evaluate cell viability, [[migration]] and [[invasion]], [[flow cytometry]] to determine [[cell cycle arrest]]. [[Gene set enrichment analysis]] (GSEA) was conducted to screen the pathway involved in TROAP-high phenotype. The expression of cell cycle and Wnt/β-Catenin signaling proteins were analyzed by immunofluorescence and western blot.

Based on the bioinformatic analysis and a series of functional assays, Zhao et al. found the TROAP was enriched in [[glioma]] tissues and [[cell line]]s, its overexpression was correlated with the clinicopathologic characteristics and poor prognosis. TROAP knockdown inhibited cell proliferation, migration, invasion, and G1/S cell cycle arrest compared with control group in glioma. Mechanism analysis revealed that TROAP activated [[Wnt]]/[[Beta-catenin]] pathway and upregulated its downstream targets expression, while silencing β-Catenin or [[Axin2]] could reverse the tumor-promoting effects caused by TROAP, confirming that TROAP-induced malignant phenotype and tumorigenesis via Wnt/β-Catenin signaling pathway.

Conclusion: The present study found that TROAP accelerated the progression of gliomagenesis through Wnt/β-Catenin pathway, and TROAP might be considered as a novel target for glioma therapy
((Zhao ZQ, Wu XJ, Cheng YH, Zhou YF, Ma XM, Zhang J, Heng XY, Feng F. [[TROAP]] regulates [[cell cycle]] and promotes [[tumor progression]] through [[Wnt]]/β-Catenin [[signaling pathway]] in [[glioma cell]]s. CNS Neurosci Ther. 2021 Jun 2. doi: 10.1111/cns.13688. Epub ahead of print. PMID: 34077623.)).