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Telomeric Lengths and Telomerase Activity in Liposarcomas by Regine Schneider-Stock; Joerg T. Epplen; Hajo Walter; Kathrin Radig; Janusz Rys; Cornelia Epplen; Cuong Hoang-Vu; Alexander Niezabitowski; Albert Roessner is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Telomeric Lengths and Telomerase Activity in Liposarcomas about?

To assess the role of telomerase in the development of liposarcomas, we measured telomerase activity in 36 malignant and seven benign lipomatous neoplasias from 34 patients. A sensitive polymerase chain reactionbased telomerase assay (the telomeric repeat amplification protocol) was applied. Shortening or elongation of telomeric repeat fragment lengths, as measured by using hybridization with a telomere-specific oligonucleotide probe, was correlated with the presence of telomerase activity. The latter was demonstrable in 69% of malignant tumors. Benign tumors can be distinguished from malignant neoplasias on the basis of telomerase activity. However, telomerase expression seems to be characteristic of poorly differentiated liposarcomas. Myxoid/ round cell liposarcomas exhibited a higher telomerase activity level than the classical low-grade variants. Telomerase activity was not correlated with age at the time of diagnosis or with sex. In most cases, telomerasepositive tumors showed higher proliferation indices than did neoplasias lacking telomerase. All eight recurrences expressed telomerase activity, reflecting a close association of telomerase with the biological behavior of lipo

Who reads Telomeric Lengths and Telomerase Activity in Liposarcomas?

Author

Regine Schneider-Stock; Joerg T. Epplen; Hajo Walter; Kathrin Radig; Janusz Rys; Cornelia Epplen; Cuong Hoang-Vu; Alexander Niezabitowski; Albert Roessner

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0899-1987)

Published

1999

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)