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Knockdown of lncRNA FEZF1-AS1 Inhibits metastasis of Osteosarcoma Cells by miR-4456/GALNT10
jinglong yan
Second Affiliated Hospital of Harbin Medical University
Corresponding Author
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Background: Osteosarcoma (OS) is among the malignant tumors with high mortality and low survival, especially in children and adolescents. Research shows that LncRNA FEZ family zinc finger 1 antisense RNA 1 (FEZF1-AS1) enhances osteosarcoma progression. Nevertheless, the function and mechanism of FEZF1-AS1 in metastasis of OS remains unclear.
Methods: We used qRT-PCR to assay for the expression of FEZF1-AS1, miR-4456, and GALNT10 in OS tissue specimens and cell lines. We also investigated the progression of OS through metastasis using the wound healing and Transwell assays. Moreover, we used the dual-luciferase reporter test, RIP assays, and western blot to validate whether FEZF1-AS1 serves as a competing endogenous RNA (ceRNA), modulating the expression of GALNT10 through sponging miR-4456 in OS.
Results: FEZF1-AS1 was up modulated in OS tissues. Silencing FEZF1-AS1 repressed OS cell migration and invasion. microRNA-4456 (miR-4456) was involved in FEZF1-AS1-induced migration and invasion. miR-4456 was down modulated in OS tissue specimens and cell lines. Functionally, the up modulation of miR-4456 reversed the facilitative influence of FEZF1-AS1 on OS cell infiltration and migration. Mechanically, FEZF1-AS1 interacted with miR-4456 in a reciprocal suppressed manner. Moreover, miR-4456 targets GALNT10 via the Luciferase assay. Besides, the up modulation of GALNT10 reversed the migration and invasion inhibited by FEZF1-AS1 knockdown. Silencing of FEZF1-AS1 inhibits OS cell infiltration and migration through miR-4456 /GALNT10 sponging.
Conclusion: Herein, we demonstrated that FEZF1-AS1 is a prospective bio signature of metastasis in OS patients. Mechanistically, we showed that the FEZF1-AS1/miR-4456/GALNT10 axis is a target for novel therapeutic development for OS.
Keywords
Osteosarcoma, oncogene, lncRNA FEZF1-AS1, miR-4456, GALNT10
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This is a preprint. It has not completed peer review.
Research
Knockdown of lncRNA FEZF1-AS1 Inhibits metastasis of Osteosarcoma Cells by miR-4456/GALNT10
jinglong yan
Second Affiliated Hospital of Harbin Medical University
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 19 May, 2020
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Oncology
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Background: Osteosarcoma (OS) is among the malignant tumors with high mortality and low survival, especially in children and adolescents. Research shows that LncRNA FEZ family zinc finger 1 antisense RNA 1 (FEZF1-AS1) enhances osteosarcoma progression. Nevertheless, the function and mechanism of FEZF1-AS1 in metastasis of OS remains unclear.
Methods: We used qRT-PCR to assay for the expression of FEZF1-AS1, miR-4456, and GALNT10 in OS tissue specimens and cell lines. We also investigated the progression of OS through metastasis using the wound healing and Transwell assays. Moreover, we used the dual-luciferase reporter test, RIP assays, and western blot to validate whether FEZF1-AS1 serves as a competing endogenous RNA (ceRNA), modulating the expression of GALNT10 through sponging miR-4456 in OS.
Results: FEZF1-AS1 was up modulated in OS tissues. Silencing FEZF1-AS1 repressed OS cell migration and invasion. microRNA-4456 (miR-4456) was involved in FEZF1-AS1-induced migration and invasion. miR-4456 was down modulated in OS tissue specimens and cell lines. Functionally, the up modulation of miR-4456 reversed the facilitative influence of FEZF1-AS1 on OS cell infiltration and migration. Mechanically, FEZF1-AS1 interacted with miR-4456 in a reciprocal suppressed manner. Moreover, miR-4456 targets GALNT10 via the Luciferase assay. Besides, the up modulation of GALNT10 reversed the migration and invasion inhibited by FEZF1-AS1 knockdown. Silencing of FEZF1-AS1 inhibits OS cell infiltration and migration through miR-4456 /GALNT10 sponging.
Conclusion: Herein, we demonstrated that FEZF1-AS1 is a prospective bio signature of metastasis in OS patients. Mechanistically, we showed that the FEZF1-AS1/miR-4456/GALNT10 axis is a target for novel therapeutic development for OS.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5