Stathmin Expression and Cancer Prognosis
Summary
Stathmin (STMN1) is a cytoplasmic phosphoprotein that regulates microtubule dynamics by binding tubulin dimers and promoting their depolymerisation. Aberrant upregulation of stathmin has been reported across a spectrum of malignancies, where it drives tumour cell proliferation, motility and metastatic potential. Elevated stathmin expression often correlates with advanced tumour stage, lymph node involvement and reduced overall or disease-free survival, positioning it as an independent prognostic biomarker. Beyond its role in cell division, stathmin modulates response to anti-microtubule agents such as paclitaxel and vincristine, thus serving as a potential predictive marker for chemotherapy efficacy. Mechanistic studies have further revealed that stathmin interfaces with key signalling pathways, including p53, MAPK and PI3K/Akt, and is regulated by non-coding RNAs. Taken together, the global significance of stathmin encompasses both its diagnostic and therapeutic dimensions, highlighting its value in risk stratification and as a target for novel molecular interventions.
Research from Nature Portfolio
A foundational study investigated STMN1 in gallbladder carcinoma, revealing markedly higher expression in tumour tissues relative to normal mucosa. Functional assays demonstrated that STMN1 silencing impaired proliferation, induced apoptosis and delayed G2/M transition in vitro. In mouse xenograft models, knockdown of STMN1 significantly suppressed tumour growth, implicating its involvement in p38 MAPK and p53/p21 signalling cascades. These findings support STMN1 as a driver of gallbladder carcinoma progression and underscore its promise as a therapeutic target to disrupt microtubule stability in aggressive malignancies.
Stathmin Expression and Cancer Prognosis publication trend
The graph below shows the total number of articles in stathmin expression and cancer prognosis across all publications each year (not limited to Nature Index journals).
Technical terms
Stathmin (STMN1): A phosphoprotein that binds to α/β-tubulin dimers, promoting microtubule depolymerisation and regulating mitotic spindle dynamics.
Microtubule dynamics: The continuous assembly and disassembly of microtubules essential for cell division, intracellular transport and structural integrity.
Prognostic biomarker: A measurable indicator that predicts the natural course of a disease or likelihood of clinical outcomes.
Predictive biomarker: A biological marker used to forecast response to a specific therapeutic intervention.
Immunohistochemistry: A laboratory technique for visualising protein expression in tissue sections using antigen-antibody interactions.
References
- High Tumoral STMN1 Expression Is Associated with Malignant Potential and Poor Prognosis in Patients with Neuroblastoma. Cancers (2023).
- STNM1 in human cancers: role, function and potential therapy sensitizer. Cellular Signalling (2023).
- Downregulation of stathmin 1 in human gallbladder carcinoma inhibits tumor growth in vitro and in vivo. Scientific Reports (2016).
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