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Published on: June 6, 2017
[Proliferation regulation effect of cyclin G1 antisense oligodeoxy-nucleotides with liposomal transfection on HL-60
Jin-Song Jia1, Shi-Rong Xu, Cong-Rong Jia
1Department of Hematology, The Second Hospital, Hebei Medical University, Shijiazhuang 050000, China. jiajsong@mail.com
Abstract:
To investigate the effect of cyclin G1 antisense oligodeoxynucleotide (ASON) with liposomal transfection on mediating proliferation of HL-60 cell, the cyclin G1 ASON with liposomal transfection was used in vitro in co-culture with HL-60 cell, the protein and mRNA expression levels of cyclin G1 were measured by immunocytochemistry assay and RT-PCR. The cell apoptosis was detected by electron microscopy, in situ cell apoptosis detection kit (POD), DNA gel electrophoresis and flow cytometry (FCM). The results showed that in the cyclin G1 ASON group the protein and mRNA expression of cyclin G1 were significantly inhibited as compared with sense oligodeoxynucleotide (SON) group and blank group. When the ASON concentration increased, the proliferation ratio of HL-60 cell and CFU of HL-60 were also significantly inhibited. There was apoptosis of HL-60 cell. In conclusion, cyclin G1 ASON can specifically inhibit its protein and mRNA expression levels as well as the HL-60 cell proliferations and can accelerate the apoptosis of leukemia cells with concentration-dependent effect of ASON.
Insights
Cyclin G1 antisense oligodeoxynucleotide (ASON) effectively inhibits HL-60 leukemia cell proliferation and promotes apoptosis. This targeted approach shows a concentration-dependent effect on leukemia cell growth.
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Context:
- Leukemia, specifically HL-60 cell line, presents a significant challenge in cancer therapy.
- Targeting specific gene expression, like cyclin G1, is a promising strategy for anti-cancer drug development.
Purpose:
- To evaluate the efficacy of cyclin G1 antisense oligodeoxynucleotide (ASON) delivered via liposomal transfection in inhibiting HL-60 cell proliferation.
- To investigate the impact of ASON on cyclin G1 expression at both protein and mRNA levels.
- To assess the induction of apoptosis in HL-60 cells following ASON treatment.
Summary:
- Cyclin G1 ASON with liposomal transfection significantly reduced cyclin G1 protein and mRNA expression in HL-60 cells compared to control groups.
- A concentration-dependent inhibition of HL-60 cell proliferation and colony-forming units (CFU) was observed with increasing ASON concentrations.
- The study confirmed apoptosis induction in HL-60 cells, demonstrating the anti-leukemic potential of cyclin G1 ASON.
Impact:
- This research highlights cyclin G1 ASON as a potential therapeutic agent for leukemia.
- The findings support the development of targeted gene silencing therapies for hematological malignancies.
- Understanding the mechanism of ASON in leukemia provides a basis for future clinical investigations.
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