ArticleMolecular and cellular biochemistry2016
Thymoquinone inhibits growth of human medulloblastoma cells by inducing oxidative stress and caspase-dependent apoptosis while suppressing NF-κB signaling and IL-8 expression.
Article in Molecular and cellular biochemistry, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 46 citations in OpenAlex.
- Thymoquinone as a Multi-Target Modulator of Inflammatory and Immunometabolic Signaling: Mechanisms and Therapeutic Implications.Cell biochemistry and biophysics · 2026Review
- Machine Learning-driven Prediction of Cervical Cancer Cell Viability After Treatment With Thymoquinone, Curcumin, and 5-Fluorouracil.Applied biochemistry and biotechnology · 2026Article
- Epigenetic Reactivation of <italic>SOCS-3</italic> and Inhibition of ERK1/2 Underlie Thymoquinone-Induced Apoptosis in a Chronic Myeloid Leukemia Xenograft Model.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2026Article
- Investigation of the effect of thymoquinone and doxorubicin on the EGFR/FOXP3 signaling pathway in OVCAR3 human ovarian adenocarcinoma cells.Acta cirurgica brasileira · 2025Article
- Synergistic Anti-Cancer Effects of Curcumin and Thymoquinone Against Melanoma.Antioxidants (Basel, Switzerland) · 2024Article
- Article
- Nano-based formulations of thymoquinone are new approaches for psoriasis treatment: a literature review.Frontiers in immunology · 2024Review
- An Analysis of the Toxicity, Antioxidant, and Anti-Cancer Activity of Cinnamon Silver Nanoparticles in Comparison with Extracts and Fractions of Cinnamomum Cassia at Normal and Cancer Cell Levels.Nanomaterials (Basel, Switzerland) · 2023Article
- Antioxidant, Anti-Proliferative Activity and Chemical Fingerprinting ofAntioxidants (Basel, Switzerland) · 2022Article
- Anticancer and Anti-Metastatic Role of Thymoquinone: Regulation of Oncogenic Signaling Cascades by Thymoquinone.International journal of molecular sciences · 2022Review
- Apoptosis-mediated anti-proliferative activity ofFrontiers in cell and developmental biology · 2022Article
- Nano Milk Protein-Mucilage Complexes: Characterization and Anticancer Effect.Molecules (Basel, Switzerland) · 2021Article
- Cyclotrisiloxan and β-Sitosterol richSaudi journal of biological sciences · 2021Article
- Potent antioxidant and anticancer activities of the methanolic extract ofSaudi journal of biological sciences · 2021Article
- The multifaceted NF-kB: are there still prospects of its inhibition for clinical intervention in pediatric central nervous system tumors?Cellular and molecular life sciences : CMLS · 2021Review
- Article
- Review
- Ibudilast Attenuates Folic Acid-Induced Acute Kidney Injury by Blocking Pyroptosis Through TLR4-Mediated NF-κB and MAPK Signaling Pathways.Frontiers in pharmacology · 2021Article
- Antihyperlipidemic potential of diosmin in Swiss Albino mice with high-fat diet induced hyperlipidemia.Saudi journal of biological sciences · 2021Article
- The Role of MicroRNAs in Vitiligo: Regulators and Therapeutic Targets.Annals of dermatology · 2020Review
Corrections and comments
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Authors and funding
10 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Medulloblastoma (MB) is the most common malignant brain tumor of childhood. The transcription factor NF-κB is overexpressed in human MB and is a critical factor for MB tumor growth. NF-κB is known to regulate the expression of interleukin-8 (IL-8), the chemokine that enhances cancer cell growth and resistance to chemotherapy. We have recently shown that thymoquinone (TQ) suppresses growth of hepatocellular carcinoma cells in part by inhibiting NF-κB signaling. Here we sought to extend these studies in MB cells and show that TQ suppresses growth of MB cells in a dose- and time-dependent manner, causes G2M cell cycle arrest, and induces apoptosis. TQ significantly increased generation of reactive oxygen species (ROS), while pretreatment of MB cells with the ROS scavenger N-acetylcysteine (NAC) abrogated TQ-induced cell death and apoptosis, suggesting that TQ-induced cell death and apoptosis are oxidative stress-mediated. TQ inhibitory effects were associated with inhibition of NF-κB and altered expression of its downstream effectors IL-8 and its receptors, the anti-apoptotic Bcl-2, Bcl-xL, X-IAP, and FLIP, as well as the pro-apoptotic TRAIL-R1, caspase-8, caspase-9, Bcl-xS, and cytochrome c. TQ-triggered apoptosis was substantiated by up-regulation of the executioner caspase-3 and caspase-7, as well as cleavage of the death substrate poly(ADP-ribose)polymerase. Interestingly, pretreatment of MB cells with NAC or the pan-caspase inhibitor zVAD-fmk abrogated TQ-induced apoptosis, loss of cyclin B1 and NF-κB activity, suggesting that these TQ-mediated effects are oxidative stress- and caspase-dependent. These findings reveal that TQ induces both extrinsic and intrinsic pathways of apoptosis in MB cells, and suggest its potential usefulness in the treatment of MB.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.