PMID- 37757768 OWN - NLM STAT- Publisher LR - 20230927 IS - 1421-9859 (Electronic) IS - 0378-5866 (Linking) DP - 2023 Sep 27 TI - ABCF1/CXCL12/CXCR4 Enhances Glioblastoma Cell Proliferation, Migration, and Invasion by Activating the PI3K/AKT Signal Pathway. PG - 1-10 LID - 10.1159/000533130 [doi] AB - Glioblastoma (GBM) is the most prevalent and fatal form of brain tumor, which is associated with a poor prognosis. ATP-binding cassette subfamily F member 1 (ABCF1) is an E2 ubiquitin-conjugating enzyme, which is implicated in regulating immune responses and tumorigenesis. Aberrant E3 ubiquitylation has been evidenced in GBM. However, the role of ABCF1 in GBM needs to be further explored. The expression of ABCF1, CXC chemokine ligand 12 (CXCL12), and CXC chemokine receptor 4 (CXCR4) in GBM tissues was examined by the GEPIA tool, real-time PCR and Western blotting. HMC3, U251MG, and LN-229 cells were cultured and transfected with shRNA targeting ABCF1 and ABCF1 plasmids. The proliferative, migrative, and invasive ability of cells was detected. Western blotting was used to detect the levels of phosphorylated phosphatidylinositol 3-kinase (PI3K) and phosphorylated protein kinase B (AKT). We observed that GBM tissues had higher ABCF1, CXCL12, and CXCR4 expression levels. The expression levels of CXCL12 and CXCR4 were enhanced by ABCF1 overexpression, which were significantly reversed by silence of ABCF1 in GBM cells. Silencing ABCF1 or CXCR4 inhibition weakened the capacity of GBM cell growth, migration, and invasion, while ectopic ABCF1 expression or CXCL12 treatment enhanced the cellular function of GBM cells. Furthermore, p-PI3K and p-AKT protein levels were downregulated by ABCF1 knockdown or CXCR4 blockade, which were prompted by ABCF1 overexpression or CXCL12 supplement. The ABCF1-CXCL12-CXCR4 axis was identified as a key player in GBM cell survival and metastasis by activating the PI3K/AKT signaling pathway in GBM cells. CI - (c) 2023 The Author(s). Published by S. Karger AG, Basel. FAU - Yin, Xiaohong AU - Yin X AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. FAU - Xia, Keshun AU - Xia K AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. FAU - Peng, Song AU - Peng S AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. FAU - Tan, Bo AU - Tan B AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. FAU - Huang, Yaohui AU - Huang Y AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. FAU - Wang, Mao AU - Wang M AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. FAU - He, Mingfang AU - He M AD - Department of Neurosurgery, Guangyuan Central Hospital, Guangyuan, China. LA - eng PT - Journal Article DEP - 20230927 PL - Switzerland TA - Dev Neurosci JT - Developmental neuroscience JID - 7809375 SB - IM OTO - NOTNLM OT - ABCF1 OT - CXCL12 OT - CXCR4 OT - Glioblastoma OT - PI3K/AKT signal pathway EDAT- 2023/09/28 00:42 MHDA- 2023/09/28 00:42 CRDT- 2023/09/27 18:23 PHST- 2022/12/26 00:00 [received] PHST- 2023/07/03 00:00 [accepted] PHST- 2023/09/28 00:42 [medline] PHST- 2023/09/28 00:42 [pubmed] PHST- 2023/09/27 18:23 [entrez] AID - 000533130 [pii] AID - 10.1159/000533130 [doi] PST - aheadofprint SO - Dev Neurosci. 2023 Sep 27:1-10. doi: 10.1159/000533130.