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We describe a simple and rapid method for constructing small-insert genomic libraries highly enriched for dimeric, trimeric, and tetrameric nucleotide repeat motifs. The approach involves use of DNA inserts recovered by PCR amplification of a small-insert sonicated genomic phage library or by a single-primer PCR amplification of Mbo I-digested and(More)
A PCR method for uniform amplification of a mixture of DNA templates differing in GC content is described using the two enzyme approach (Klentaq1 and Pfu DNA polymerase) and a combination of DMSO and betaine. This method was applied to amplify the CGG repeat region from the fragile X region.
We have used a modified differential display PCR protocol for isolating 3' restriction fragments of cDNAs specifically expressed or overexpressed in metastatic prostate carcinoma cell line DU145. Several cDNA fragments were identified that matched to milk fat globule protein, UFO/Axl, a receptor tyrosine kinase, human homologue of a Xenopus maternal(More)
We have characterized comprehensive transcript and proteomic profiles of cell lines corresponding to normal breast (MCF10A), noninvasive breast cancer (MCF7) and invasive breast cancer (MDA-MB-231). The transcript profiles were first analysed by a modified protocol for representational difference analysis (RDA) of cDNAs between MCF7 and MDA-MB-231 cells.(More)
We have characterized the cDNA for a Rho GTPase activating protein (GAP) mapping to chromosome 13q12. The cDNA was characterized by determining the complete sequence of a 4.8 kb cDNA clone that represents the 5' untranslated region (UTR), the translated region, and the 3' UTR. The protein has a sterile alpha-motif (SAM), a distinct GAP domain, and a(More)
The family of Eph and ephrin receptors is involved in a variety of functions in normal cells, and the alterations in their expression profiles have been observed in several cancers. We have compared the transcripts for Eph receptors and ephrin ligands in cell lines established from normal prostate epithelium and several carcinoma cell lines isolated from(More)
The Eph family of receptors, with 14 members in humans, makes up the largest group of receptor tyrosine kinases. These Eph receptors, along with their ligands, the 8 members of the ephrin family of ligands are involved in diverse developmental functions, including hindbrain development in vertebrates, tissue patterning, and angiogenesis. These Eph receptors(More)
We previously located a senescence gene locus (SEN6A), at chromosome 6q14-21 by a functional strategy using chromosome transfer into immortal ovarian tumor cells. To further elucidate the SEN6A locus, intact chromosome 6 or 6q was transferred into rat ovarian tumor cells and a panel of immortal revertant clones of senescent cells was generated. The panel of(More)
We describe the construction and characterization of methylation-resistant sequence-tagged NotI linking clones specific for the X chromosome, referred to as NotI-BsuE linking clones. The approach consists of methylating the X-chromosome-specific cloned DNA with BsuE methylase (M. BsuE), an enzyme that methylates the first C residue in the CGCG sequence,(More)