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Transcriptomics Insights into Targeting CK2 Complex in Cryptococcus neoformans: Implications for Large-Scale
Fadia Falah Hassan1, Mohammed Hussein Mushrif2, Mohammed F Hamdi3
1Biology department, College of education for Pure Science-Ibn Alhaitham, University of Baghdad, Baghdad, Iraq.
Current Medical Mycology
|July 15, 2025
Summary
This study explores the casein kinase 2 (Ck2) complex in Cryptococcus neoformans, identifying potential drug targets for treating fungal infections. RNA-sequencing and computational analyses revealed key pathogenic proteins and screened for effective FDA-approved drugs.
Area of Science:
- Mycology
- Molecular Biology
- Computational Biology
Background:
- Cryptococcus neoformans is a significant fungal pathogen causing meningitis in immunocompromised individuals.
- The casein kinase 2 (Ck2) complex plays a crucial role in regulating essential cellular processes within C. neoformans.
Purpose of the Study:
- To investigate the transcriptomic and functional roles of the Ck2 complex and other pathogenic proteins in C. neoformans.
- To identify potential therapeutic targets for C. neoformans infections.
Main Methods:
- Utilized RNA-sequencing to analyze gene expression in C. neoformans under various mutant conditions.
- Employed STRING and Cytoscape for protein-protein interaction analysis and identification of hub genes.
- Screened identified hub genes against FDA-approved drugs using GNINA.
Main Results:
- Identified significant numbers of dysregulated genes across different mutant strains (e.g., 936, 1154, 1159).
- Determined key cellular components, molecular functions, and KEGG pathways affected by gene dysregulation.
- Selected several high-ranking hub genes (e.g., Q5KFT2_CRYNJ, ARO1_CRYNJ) for drug screening.
Conclusions:
- The Ck2 complex is vital for C. neoformans proliferation and apoptosis; its disruption impacts cellular functions.
- Identified three potential drugs—amphotericin B, idarubicin, and candicidin—as promising therapeutic agents against C. neoformans proteins.
- Further clinical studies are warranted to validate these drug candidates for treating fungal infections.
