ArticleUrologic oncology2018
Heat shock proteins 60 and 70 are associated with long-term outcome of T1-stage high-grade urothelial tumors of the bladder treated with intravesical Bacillus Calmette-Guérin immunotherapy.
Article in Urologic oncology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 18 citations in OpenAlex.
- Predictive and prognostic biomarkers of Bacillus Calmette-Guérin therapy failure in bladder cancer patients: A systematic review.Molecular oncology · 2026Review
- A new weapon: the application of tumor vaccines based on extracellular exosomal heat shock proteins in immunotherapy.Frontiers in immunology · 2025Review
- Chaperonins in Hepatocellular Carcinoma: Unveiling Their Role in Tumor Proliferation and Immune Modulation Through Multiomics Analysis.International journal of genomics · 2025Article
- Hsp70-A Universal Biomarker for Predicting Therapeutic Failure in Human Female Cancers and a Target for CTC Isolation in Advanced Cancers.Biomedicines · 2023Article
- Knockdown of heat shock protein family D member 1 (HSPD1) promotes proliferation and migration of ovarian cancer cells via disrupting the stability of mitochondrial 3-oxoacyl-ACP synthase (OXSM).Journal of ovarian research · 2023Article
- Evaluation of the Small Heat Shock Protein Family MembersInternational journal of molecular sciences · 2023Article
- The mitochondrial unfolded protein response (UPRJournal of hematology & oncology · 2022Review
- Effects of aversive conditioning on expression of physiological stress in honey bees (Apis mellifera).Neurobiology of learning and memory · 2021Article
- Monitoring HSP70 exosomes in cancer patients' follow up: a clinical prospective pilot study.Journal of extracellular vesicles · 2020Article
- High-grade T1 Urothelial Carcinoma: Where Do We Stand?Current urology reports · 2019Review
- Role of heat shock proteins in bladder cancer: potential biomarkers for treatment response and oncological prognosis.Translational andrology and urology · 2019Article
- Heat Shock Proteins in Cancer Immunotherapy.Journal of oncology · 2019Review
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8 authors at 3 institutions in 2 countries.
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Abstract
objectivesHigh-grade nonmuscle-invasive urothelial tumors of the bladder that fail intravesical Bacillus Calmette-Guérin (BCG) immunotherapy are at the highest risk of progression. Initial evidence links heat shock protein expression levels and outcome of bladder cancer after BCG treatment. We aimed to determine the association between HSP60, 70, and 90 expression levels and long-term outcomes of T1 high-grade (T1HG) urothelial bladder tumors treated with BCG immunotherapy. MATERIALS AND
methodsData of 54 consecutive patients with primary T1HG bladder tumors who underwent transurethral resection between 2002 and 2008 and received at least an induction course of BCG were reviewed. Immunohistochemical staining for heat shock protein (HSP)60, 70, and 90 were performed on resected specimens. Study outcomes included disease recurrence and progression. The association between HSP expression levels and outcomes were evaluated with univariable and multivariable Cox proportional hazards models.
resultsDuring a median follow-up of 9.6 years, 25 patients had a disease recurrence and 14 patients a disease progression. Estimated 5-year recurrence and progression-free survival were 59% and 81%, respectively. On multivariable analyses, HSP60 staining >65% was associated with a higher risk for progression (hazard ratio [HR] = 3.96, 95% confidence interval [CI] 1.35-11.58, P = 0.012), and HSP70 staining >5% was associated with a decreased risk for progression (HR = 0.33, 95% CI 0.11-0.98, P = 0.045), and recurrence (HR = 0.29, 95% CI 0.13-0.65, P = 0.003). HSP90 expression was not associated with disease recurrence or progression. Five patients had both a HSP60 staining >65% and a HSP70 staining ≤5% all of whom recurred at a median time of 6 months (interquartile range 3, 16) and 80% of whom progressed at a median time of 26 months (interquartile range 5, 60).
conclusionsHSP60 and 70 cellular expression levels are associated with long-term outcome following BCG treatment of T1HG urothelial bladder tumors. These findings, if further validated, may be used to better stratify the risk of disease recurrence and progression in this group of patients.
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