Article ; Online: Synergistic effects of miR-143 with miR-99a inhibited cell proliferation and induced apoptosis in breast cancer.
Biotechnology and applied biochemistry
2024
Abstract: Breast cancer (BC) is the most common cancer type and the fifth leading cause of cancer-related deaths. The primary goals of BC treatment are to remove the tumor and prevent metastasis. Despite advances in BC treatment, more effective therapies are ... ...
| Abstract | Breast cancer (BC) is the most common cancer type and the fifth leading cause of cancer-related deaths. The primary goals of BC treatment are to remove the tumor and prevent metastasis. Despite advances in BC treatment, more effective therapies are required. miRNAs can regulate many targets involved in biological processes and tumor progression; these molecules have emerged as a promising cancer treatment strategy. In the present study, we investigated the effects of miR-99a and miR-143 in single expression plasmids for BC inhibition. In this study, the precursor structure of miRNAs in the expression vector pEGFP-N1 entered single and double states, and MCF7 and T47D cells were transfected. The miRNAs expression level after transfection was then measured using qPCR. The MultiMiR package was used to obtain predicted and validated miRNA targets. MTT assay, qRT-PCR, migration test, and flow cytometry were used to assess the effect of miRNA and gene modulation. The qPCR results revealed that miRNA constructs were significantly expressed after the transfection of both cell lines. The biological function of miRNAs showed that upregulation of miR-99a and miR-143 in any of the two selected BC cells inhibited their proliferation and migration rate, significantly inducing apoptosis (p < 0.01). Also, miR-99a/miR-143 co-treatment has a synergistic anticancer effect in cancer cells via Akt1 and CDK6 targeting. These findings suggest that miR-99a/miR-143 plays synergistic regulatory roles in BC, possibly via a shared signaling pathway, providing a therapeutic strategy for BC treatment. |
|---|---|
| Language | English |
| Publishing date | 2024-04-30 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 883433-7 |
| ISSN | 1470-8744 ; 0885-4513 |
| ISSN (online) | 1470-8744 |
| ISSN | 0885-4513 |
| DOI | 10.1002/bab.2592 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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