PubMed · 15292383
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Sarah L Zielinski. 2004-08-04. Project creates repository for microarray datasets.. https://doi.org/10.1093/jnci%2F96.15.1126
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In our previous studies, we used global computational differential display of ESTs that belong to UNIGENE clusters and identified human sequences differentially expressed in human tumors, as well as a considerable amount of transcripts represented only in tumor-derived cDNA libraries. Most of the tumor-specific EST clusters are derived from the plurality of the tumor types originated in tissues of both ectodermal and mesodermal origin. We found that many of such tumor-specific ESTs do not contain long open reading frames and cannot be classified as protein-encoding genes. To experimentally assess patterns of expression of these EST clusters, we studied four of them in PCR experiments on Clontech MTC panels. The experimental data confirm the results obtained by in silico screening, i.e. tumor specificity of their expression. We suggest that a significant increase in the expression of non-coding RNA is a fundamental feature of cancer cells, and that such transcripts could serve as markers for the diagnosis or monitoring of human malignancies.
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The low-energy electron spectra generated in the decay of 140Nd have been measured using a combined electrostatic spectrometer adjusted to the 4, 7, and 35 eV instrumental resolution. In order to estimate the therapeutic potential of low-energy electrons associated with the decay of 140Nd, similar experiments have been performed with 111In. Relative Auger electron intensity ratios per decay are: 111In(K-Auger)/140Nd(K-Auger)=1.47(12), 111In(L-Auger) /140Nd(L-Auger)=1.1(4), and 111In(L-Auger [2.8-7 keV])/140Nd(L-Auger [2.8-7 keV])=0.24(11). The obtained K-Auger group intensity ratios have been compared with results of calculations. The good agreement found for the experimental and estimated values indicates that such information can be also derived using available nuclear and atomic data. The relative intensity of L-Auger electrons emitted within the 2.8-7 keV interval is higher for 140Nd by a factor of about 4 compared to 111In. As the L-Auger emission is dominating relative to that of the K-Auger group, this implicates that any potential endotherapeutic strategy using 140Nd-labelled targeting vectors requires a maximum accumulation of the endoradiotherapeutical close to the cell nucleus or the DNA of the tumour cell.