ArticleMolecular cell2016
Stress from Nucleotide Depletion Activates the Transcriptional Regulator HEXIM1 to Suppress Melanoma.
Article in Molecular cell, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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Who cites it
59 citing papers in PubMed, 101 citations in OpenAlex.
- Vidofludimus Calcium in Patients With Moderate-to-Severe Ulcerative Colitis: A Randomized, Placebo-Controlled, Phase 2 Trial.Clinical and translational gastroenterology · 2025Trial
- Safety, Tolerability and Pharmacokinetics of Vidofludimus calcium (IMU-838) After Single and Multiple Ascending Oral Doses in Healthy Male Subjects.European journal of drug metabolism and pharmacokinetics · 2020Trial
- The Selective Oral Immunomodulator Vidofludimus in Patients with Active Rheumatoid Arthritis: Safety Results from the COMPONENT Study.Drugs in R&D · 2019Trial
- HEXIM1/P-TEFb complex controls RNA polymerase II pause release and immediate early gene induction following neuronal depolarization.The Journal of biological chemistry · 2026Article
- 7SK-enriched exosomes suppress the cancer phenotypes in human lung cancer cells: insights from 2D and microfluidic 3D in vitro models.Scientific reports · 2026Article
- Synthetic lethality between RB-loss and E2F3 inhibition in small cell cancers targeted by pyrimidine synthesis blockade.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Targeting replication stress in neuroblastoma by exploiting the synergistic potential of second generation RRM2 and CHK1 inhibitors.Cell death & disease · 2026Article
- USP44 regulates HEXIM1 stability to inhibit tumorigenesis and metastasis of oral squamous cell carcinoma.Biology direct · 2024Article
- Nucleotide depletion promotes cell fate transitions by inducing DNA replication stress.Developmental cell · 2024Article
- Melanocyte lineage dynamics in development, growth and disease.Development (Cambridge, England) · 2024Review
- Article
- DHODH inhibition enhances the efficacy of immune checkpoint blockade by increasing cancer cell antigen presentation.bioRxiv : the preprint server for biology · 2024Article
- Article
- Landscape of enhancer disruption and functional screen in melanoma cells.Genome biology · 2023Article
- Crosstalk between glucocorticoid and mineralocorticoid receptors boosts glucocorticoid-induced killing of multiple myeloma cells.Cellular and molecular life sciences : CMLS · 2023Article
- Flavopiridol Mitigates the Progression of Monocrotaline-Induced Pulmonary Hypertension in Rats by Targeting Cyclin-Dependent Kinase 9.Cardiovascular drugs and therapy · 2023Article
- P-TEFb: The master regulator of transcription elongation.Molecular cell · 2023Review
- OverexpressionViruses · 2022Article
- RRM2 enhances MYCN-driven neuroblastoma formation and acts as a synergistic target with CHK1 inhibition.Science advances · 2022Article
- Discovery of a large-scale, cell-state-responsive allosteric switch in the 7SK RNA using DANCE-MaP.Molecular cell · 2022Article
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Authors and funding
31 authors at 15 institutions in 2 countries.
Funding
Abstract
Studying cancer metabolism gives insight into tumorigenic survival mechanisms and susceptibilities. In melanoma, we identify HEXIM1, a transcription elongation regulator, as a melanoma tumor suppressor that responds to nucleotide stress. HEXIM1 expression is low in melanoma. Its overexpression in a zebrafish melanoma model suppresses cancer formation, while its inactivation accelerates tumor onset in vivo. Knockdown of HEXIM1 rescues zebrafish neural crest defects and human melanoma proliferation defects that arise from nucleotide depletion. Under nucleotide stress, HEXIM1 is induced to form an inhibitory complex with P-TEFb, the kinase that initiates transcription elongation, to inhibit elongation at tumorigenic genes. The resulting alteration in gene expression also causes anti-tumorigenic RNAs to bind to and be stabilized by HEXIM1. HEXIM1 plays an important role in inhibiting cancer cell-specific gene transcription while also facilitating anti-cancer gene expression. Our study reveals an important role for HEXIM1 in coupling nucleotide metabolism with transcriptional regulation in melanoma.
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Registered trials
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.