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Transcriptional analysis of human IL-23R mediated apoptosis in human cervical cancer cells in vitro

ABSTRACT: Transcriptional analysis of human IL-23R mediated apoptosis in human cervical cancer cells in vitro

PROVIDER: PRJNA952621 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24084435_1.fastq.gz	Fastqsanger.gz
	SRR24084435_2.fastq.gz	Fastqsanger.gz
	SRR24084436_1.fastq.gz	Fastqsanger.gz
	SRR24084436_2.fastq.gz	Fastqsanger.gz
	SRR24084437_1.fastq.gz	Fastqsanger.gz

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Transcriptional analysis of human IL-23R mediated apoptosis in human cervical cancer cells in vitro

Project description:We found that IL-23R mediated HeLa cell apoptosis by characterizing the functional domains responsible for this event. For exploring apoptotic pathways activated by IL-23R, the altered transcriptomic profiles in responding to IL-23R over-expression was also revealed by RNAseq analysis.

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Project description:Background and Purpose: Our previous work reported that galaxamide, a cyclopeptide extracted from the seaweed Galaxaura filamentosa, showed antiproliferative activity against HeLa cells by MTT assay. However, the therapeutic effects in vivo and potential mechanisms to eliminate cervical cancer cells remain unknown. Experimental Approach: HeLa cells were obtained as a cervical carcinoma in vitro model. The growth-inhibitory effects of galaxamide in HeLa cells and xenograft mouse models were investigated. RNA-seq was employed to analyse the main target of galaxamide in HeLa cells. Immunostaining, qRT‒PCR and Western blotting were applied to test the pharmacological effects in vitro and in vivo. Key Results: Galaxamide significantly inhibited cell growth, colony formation, migration, and invasion and induced cell apoptosis by inhibiting the Wnt signalling pathway in HeLa cells. RNA sequencing revealed that galaxamide regulated stemness via the Wnt6 signalling pathway in HeLa cells. By analysing The Cancer Genome Atlas database (TCGA), Wnt6 was found to be negatively/positively correlated with stemness- and apoptosis-related genes in human cervical cancer. Cancer stem-like cells (CSCs) isolated and enriched from HeLa cells demonstrated elevated Wnt6 and β-catenin genes compared with nonstem HeLa cells. After galaxamide treatment, CSCs showed abrogation of sphere-forming ability, along with inhibition of stemness-related and Wnt pathway genes. Galaxamide treatment was accompanied by the induction of apoptosis in HeLa cells, which was consistent with the results in BALB/c nude mice. Conclusion and Implications: Our results provide preclinical evidence that suppression of stemness by downregulating the Wnt signalling pathway is the molecular mechanism by which galaxamide effectively inhibits cell growth and induces apoptosis in cervical cancer cells.

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Project description:Preterm birth is a leading cause of neonatal mortality and lacks an effective therapy. Ascending microbial infections from the lower genital tract lead to infection of the placenta, amniotic fluid and fetus causing preterm birth or stillbirth. Directly in the path of an ascending infection is the cervical mucus plug (CMP), a dense mucoid structure in the cervical canal with potential antimicrobial properties. In this study, we aimed to define the components of CMP responsible for antimicrobial activity against a common lower genital tract organism associated with preterm birth and stillbirths, namely Group B Streptococcus (GBS). Using a quantitative proteomic approach, we identified antimicrobial factors in CMPs that were collected from healthy human pregnancies. This study aims to provide new insight into how the human CMP may limit ascending bacterial infection.

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