Abstract
Background: This study evaluated anti-prostate potentials of compounds from methanol extract of Solanum aculeastrum Dunal berries (MESADB) against benign prostatic hyperplasia (BPH) and prostate cancer (PC). Methods: We used Swiss ADME and pKCSM tools to select drug-like candidates from MESADB. DisGeNET and related databases were used to identify targets for compounds of MESADB, BPH and PC. Molecular roles, biological processes, cellular components involved, and crucial pathways associated with biological processes of gene enrichment were obtained using Gene Ontology (GO) & Kyoto Encyclopedia of Genes and Genomes (KEGG), respectively. Docking was achieved using VINA tool. Antiproliferative and gene expression profiling were determined using 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (MTT) bioassay, and RT-qPCR respectively, and data analyzed using Graph Pad Prism (version 8.4). Results: Three ideal drug-like candidates [Undecane; D-Arabinitol; and 9-Oxabicyclo [3.3.1] nonan-2-one,6-hydroxy-] were identified. Key targets included TLR4, PTGS2, STAT3, ESR1, MTOR, SRC, MMP9, HDAC1, AKT1 and EGFR. GO analysis revealed key targets were mainly enriched in 601 biological processes (BP), 53 molecular function (MF) and 24 cellular components (CC) terms (p < 0.05). KEGG analysis presented pathways for cancer, pathway of proteoglycans in cancer, amongst others. Docking revealed [D-Arabinitol; and 9-Oxabicyclo [3.3.1] nonan-2-one,6-hydroxy-] demonstrated high binding affinity with PTGS2 and EGFR. MESADB significantly (p < 0.0001) inhibited growth of DU-145 cells with IC50 value and selectivity index of 5.11μg/ml and 14.84, respectively, while sparing Vero CCL-81 cells. There were significant (p < 0.0001) downregulations of EGFR, PTGS2 and BCL-2, in treated DU-145 cells compared to control. Conclusion: MESADB possesses antiprostate potentials.
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