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. 1990 Mar;61(3):369–376. doi: 10.1038/bjc.1990.81

Clonal analysis of a bladder cancer cell line: an experimental model of tumour heterogeneity.

J L Brown 1, P J Russell 1, J Philips 1, J Wotherspoon 1, D Raghavan 1
PMCID: PMC1971293  PMID: 2328200

Abstract

The continuous cell line UCRU BL 17CL was derived from a human invasive bladder cancer and expresses elements of transitional, squamous and glandular differentiation. Nine clones of this line were established by limit dilution and have been extensively characterised. Only six of these clones grew subcutaneously in nude mice. Of these, three have exhibited local invasion, each in one of five implanted mice. Although all xenografts expressed transitional, squamous and glandular elements, different histological subtypes predominated within each clone. Only clones which grew in nude mice formed colonies in semi-solid medium, and each responded differently to the influence of medium that had been conditioned by the growth of UCRU BL 17CL, suggesting the possible secretion of a growth factor by these cells. The DNA content and lectin binding profiles of the clones also reflected the heterogeneity of the line. UCRU BL 17CL and the nine clones provide a unique model for the study of tumour heterogeneity, progression and differentiation, and the potential autocrine regulation of growth of bladder cancer.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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