Cited by 238Bladder and Urothelial Cancer TreatmentsUrinary and Genital Oncology StudiesCancer Genomics and Diagnostics

Genetic alterations in bladder cancer

Dalbagni, G., Presti, J., Fair, W.R., Reuter, V., Cordon-Cardo, C.·1993·The Lancet

Abstract

To see whether genetic alterations follow a sequence of events leading to bladder cancer progression, 60 paired bladder tumours and normal tissues were analysed with polymorphic DNA markers, correlating loss of heterozygosity (LOH) at candidate tumour suppressor gene sites with pathological indices of poor clinical outcome. Distinct genotypic patterns were associated with early and late stages of bladder cancer. 9q deletions were observed in all superficial papillary tumours (Ta) and almost all tumours invading the lamina propria (T1), suggesting that this event associates with the development of superficial bladder tumours. However, 3p, 5q, and 17p deletions were absent in the Ta tumours but were identified in invasive bladder cancers. Two genetic pathways characterise the evolution of superficial bladder tumours. 9qLOH was detected in most Ta tumours, but in only 43% of muscle invasive neoplasms. Our hypothesis is that certain chromosomal abnormalities have a defined role in bladder tumour development, whereas others correlate with pathological indices of poor clinical outcome.

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Crossref · 10.1016/0140-6736(93)91595-d

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Authors
Dalbagni, G., Presti, J., Fair, W. R., Reuter, V., & Cordon-Cardo, C.
Affiliations
Memorial Sloan Kettering Cancer Center (US)
Venue
The Lancet
Publisher
Elsevier BV
Published
1993-08
Volume
342
Issue
8869
Pages
469-471
ISSN
  • 0099-5355 (ISSN-L)
  • 0140-6736
OpenAlex
W2039609330
Cited by
238
References
9
Citations by year
2025: 1 · 2024: 4 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 3 · 2015: 6 · 2014: 4 · 2013: 6 · 2012: 7
FWCI
18.33
Type
journal article
Language
en
Open access
closed
Locations
  • The Lancet (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (NCI CA-47538)
Topics
  • Health Sciences › Medicine › Surgery › Bladder and Urothelial Cancer Treatments
  • Health Sciences › Medicine › Surgery › Urinary and Genital Oncology Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer Genomics and Diagnostics
Keywords
bladder cancer, loss of heterozygosity, tumor suppressor, 9q deletion, muscle-invasive bladder cancer, tumor progression, chromosomal abnormalities, 3p deletion, 5q deletion, 17p deletion, clinical outcomes
MeSH terms
Alleles, Urinary Bladder Neoplasms, Chromosome Deletion, Chromosomes, Human, Pair 13, Chromosomes, Human, Pair 17, Chromosomes, Human, Pair 3, Chromosomes, Human, Pair 5, Chromosomes, Human, Pair 9, Genotype, Heterozygote, Humans, Neoplasm Invasiveness, Neoplasm Staging, Prognosis, Genes, Tumor Suppressor

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