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Updated: Nov 17, 2025
12:13
Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients
Published on: November 19, 2019
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The long non-coding RNA GHSROS reprograms prostate cancer cell lines toward a more aggressive phenotype.
Patrick B Thomas1,2,3, Penny Jeffery1,2,3, Manuel D Gahete4,5,6,7,8
1Ghrelin Research Group, Translational Research Institute, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia.
Peerj
|February 15, 2021
Summary
Long non-coding RNA GHSROS promotes prostate cancer growth, migration, and drug resistance. Inhibition of GHSROS may offer a new therapeutic strategy for aggressive prostate tumors.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Long non-coding RNAs (lncRNAs) are increasingly recognized for their roles in cancer development.
- Prostate cancer progression involves complex genetic and molecular alterations.
Purpose of the Study:
- To characterize the function and clinical relevance of the lncRNA GHSROS in prostate cancer.
- To investigate GHSROS as a potential therapeutic target for prostate cancer.
Main Methods:
- Analysis of clinical datasets to assess GHSROS expression in prostate tumors.
- In vitro functional assays (cell proliferation, migration, survival, drug resistance) in prostate cancer cell lines.
- In vivo xenograft studies in a mouse model.
- Antisense oligonucleotide inhibition of GHSROS.
- Transcriptome analysis to identify GHSROS-regulated genes.
Main Results:
- GHSROS expression is upregulated in prostate tumors across multiple datasets.
- GHSROS overexpression enhances prostate cancer cell proliferation, migration, survival, and docetaxel resistance in vitro and in vivo.
- GHSROS inhibition reverses these pro-tumorigenic effects.
- GHSROS regulates the expression of cancer-associated genes, including PPP2R2C, potentially impacting androgen receptor-independent progression.
Conclusions:
- GHSROS promotes a more aggressive phenotype in prostate cancer cells.
- GHSROS represents a promising therapeutic target for prostate cancer treatment.
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