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PCR DETECTION OF CLONAL TCR GAMMA-GENE REARRANGEMENTS IN A GROUP OF CUTANEOUS T-CELL LYMPHOMAS INCLUDING A CASE OF LOCALIZED PAGETOID RETICULOSIS EXPRESSING THE GAMMA-DELTA TCR

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In this report, we describe the analysis of clonality performed using a PCR-based approach in a group of cutaneous T-cell lymphomas including a case of localised pagetoid reticulosis expressing the gamma delta T-cell receptor. For our PCR analysis DNA was extracted from frozen tissue of 10 cases of cutaneous T-cell lymphomas and subjected to polymerase chain reaction amplification using primers recognizing conserved sequences of the variable and joining regions of the T-cell receptor gamma chain gene. PCR products were then analyzed by high resolution non-denaturing polyacrylamide gel electrophoresis. Clonal TCR gamma gene rearrangements were detected in all the cases investigated including the case of localised pagetoid reticulosis. The PCR-based approach used in this study may provide an alternative to conventional Southern blot analysis for the analysis of cutaneous T-cell lymphomas as it is easy to perform and requires only minimal amounts of DNA. The findings in localized pagetoid reticulosis are consistent with the proliferation of monoclonal T-cells in lesional skin of this condition and provide evidence for the lymphoproliferative nature of this clinically benign disorder.
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Document Type: Research Article

Affiliations: HAMMERSMITH HOSP,ROYAL POSTGRAD MED SCH,DERMATOL UNIT,LONDON,ENGLAND.

Publication date: June 1, 1995

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  • The International Journal of Oncology provides an international forum for the publication of the latest, cutting-edge research in the broad area of oncology and cancer treatment. The journal accepts original high quality works and reviews on all aspects of oncology research including carcinogenesis, metastasis, epidemiology, chemotherapy and viral oncology. Through fair and efficient peer review, the journal is dedicated to publishing top tier research in the field, offering authors rapid publication as well as high standards of copy-editing and production. The International Journal of Oncology is published on a monthly basis in both print and early online.
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