Mode
Text Size
Log in / Sign up

DUBs sustain cancer stem cell plasticity via EMT and metabolic reprogrammingEnzymes Linked to Cancer Stem Cell Survival and Growth

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Recognize that DUB targeting in CSCs is preclinical; clinical validation is lacking.

This systematic review explores the role of deubiquitinating enzymes (DUBs) in cancer stem cells (CSCs). The authors synthesize mechanistic evidence on how DUBs contribute to CSC maintenance and plasticity.

The review reports that DUBs preserve CSC characteristics by preventing proteasomal degradation of key transcription factors. It further describes a DUB-EMT-metabolism axis in which DUBs coordinate epithelial-mesenchymal transition (EMT) and metabolic reprogramming to meet the energetic demands of migrating CSCs. Additionally, bidirectional feedback loops between EMT transcription factors and DUBs are described as cooperatively amplifying stemness.

Signaling pathways implicated include Wnt/beta-catenin, Hedgehog, Notch, and TGF-beta. However, the review does not report effect sizes, sample sizes, or statistical significance for these findings, and limitations are not reported. No clinical trial data are provided.

The authors suggest that targeting the DUB-EMT-metabolism axis may be a strategy for dismantling CSC plasticity and improving responses to anticancer therapies. This remains a preclinical hypothesis, and clinical relevance is uncertain.

How this fits prior evidence

This review extends prior coverage of preclinical mechanisms, such as non-targeted effects and signaling factors in DNA damage and repair, by focusing on DUB-mediated regulation of CSC plasticity. It also aligns with the ferroptosis-directed interventions item, which noted a preclinical rationale for overcoming immune checkpoint inhibitor resistance, as both highlight potential therapeutic targets. However, unlike the intrathecal therapy item that reported reductions in pain intensity and opioid use, this review provides no clinical outcome data. It addresses a gap in understanding CSC biology but does not confirm or contrast with the clinical or quality-improvement findings covered previously.

Researchers reviewed how deubiquitinating enzymes, known as DUBs, play a critical role in cancer stem cells. These specific cells are often harder to treat because they help tumors grow and spread. The review found that DUBs protect important proteins from being broken down by the body, which allows these cancer cells to maintain their stem-like qualities.

Beyond just survival, these enzymes help cancer cells change their shape and metabolism. This process, called epithelial-mesenchymal transition, allows the cells to move and adapt to different environments. The study also found that DUBs and these cell-changing factors work together in a loop to strengthen the cancer's ability to persist.

Because these enzymes are so central to how cancer stem cells behave, they may be a target for future treatments. However, this research is a systematic review of biological mechanisms, not a clinical trial. It does not provide data on human drug trials or specific safety profiles for patients. It highlights a potential path for scientists to develop better ways to stop cancer growth.

What this means for you:
DUB enzymes help cancer stem cells survive and adapt, making them a potential target for future therapies.

Common questions

What are cancer stem cells?

Cancer stem cells are a specific type of cell within a tumor that helps the cancer grow and spread. They are often harder to treat than other cancer cells because they can adapt to their environment. This review found that enzymes called DUBs help these cells maintain their characteristics and survive.

How do these enzymes help cancer grow?

The enzymes, known as DUBs, prevent the breakdown of key proteins that cancer stem cells need to survive. They also help the cells change their shape and metabolism. This allows the cancer cells to move and meet their energy needs, which helps the tumor persist against treatment.

Is there a new treatment for cancer based on this?

This study is a review of biological mechanisms and does not provide a new treatment or clinical trial data for patients. It suggests that targeting the DUB-EMT-metabolism axis could be a strategy for future drugs to help patients respond better to therapy. Talk to your doctor about current treatment options.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedOct 2026
View Original Abstract ↓
Cancer stem cells (CSCs) drive tumor relapse, metastasis, and multidrug resistance, primarily attributed to their profound phenotypic plasticity. This plasticity largely depends on the dynamic interplay between the epithelial-mesenchymal transition (EMT) program and metabolic reprogramming. However, the molecular mechanisms coordinating these processes remain incompletely elucidated. Emerging evidence suggests that deubiquitinating enzymes (DUBs) may participate in regulating this complex crosstalk. This review systematically elaborates on the functional roles of DUBs in maintaining CSC characteristics within malignancies, exploring how they regulate CSC fate by modulating developmental signaling cascades (Wnt/β-catenin, Hedgehog (Hh), Notch, and TGF-β). By preventing the proteasomal degradation of key transcription factors, DUBs simultaneously drive EMT and coordinate metabolic reprogramming to meet the energetic demands of migrating CSCs. Furthermore, we emphasize the bidirectional feedback loops between EMT-TFs and DUBs, which cooperatively amplify stemness. Finally, selective targeting of the DUB-EMT-metabolism axis may represent a potential strategy for dismantling CSC plasticity and improving responses to anticancer therapies.
Free Newsletter

Clinical research that matters. Delivered to your inbox.

Join thousands of clinicians and researchers. No spam, unsubscribe anytime.