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Thayu M Tallini G Glusac EJ Kacinski BM Wilson LD 《The Yale journal of biology and medicine》1999,72(6):365-375
Cutaneous T-cell lymphoma is typically a clonal neoplasm of epidermotropic CD4+ T-lymphocytes that includes the entity mycosis fungoides (MF). After identification of patients with recurrent MF treated with total skin electron beam therapy (TSEBT) at the Yale University School of Medicine, this study attempted to compare T-cell receptor (TCR) gamma gene rearrangements via polymerase chain reaction (PCR) in both original and recurrent skin biopsies from these patients. Between 1974 and 1996, a total of 95 T2 MF patients were treated with TSEB, and four of these were identified for the study. Slides and tissue samples of both primary and recurrent skin biopsies for each patient were confirmed as being consistent with ME DNA for PCR was isolated from paraffin-embedded tissue samples. Using consensus primers that hybridize with conserved regions of the TCR gene, these regions of the genome were amplified. The PCR products were then analyzed by acrylamide gel electrophoresis. Of the primary and recurrent samples from four patients with a median disease-free interval (DFI) of 1222 days, only two showed evidence of a dominant TCR clone. A number of factors, including lack of sequence homology between the primers and the gene segments, the existence of multiple neoplastic cell lines, DNA degradation in the archival samples, and the presence of reactive as well as malignant lymphocytes, may have prevented the detection of dominant TCR rearranged clones in the samples. Despite the results of this study, TCR analysis via PCR and gel electrophoresis continues to be of utility in the evaluation of patients with MF when used in conjunction with other diagnostic modalities and in cases with nonspecific clinical, histopathological, and immunophenotyping findings. 相似文献
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Drummer Matthew C. Singh Varun Gupta Nikita Gesiorski Jonathan L. Weerasooriya Ravindra B. Glusac Ksenija D. 《Photosynthesis research》2022,151(2):163-184
Photosynthesis Research - Graphene quantum dots (GQDs) and nanoribbons (GNRs) are classes of nanographene molecules that exhibit highly tunable photophysical properties. There have been great... 相似文献
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