نتایج جستجو برای: alu pcr
تعداد نتایج: 177312 فیلتر نتایج به سال:
Transpositions of Alu sequences, representing the most abundant primate short interspersed elements (SINE), were evaluated as molecular cladistic markers to analyze the phylogenetic affiliations among the primate infraorders. Altogether 118 human loci, containing intronic Alu elements, were PCR analyzed for the presence of Alu sequences at orthologous sites in each of two strepsirhine, New Worl...
A quantitative assessment of rate-limiting steps in metastasis has always been challenging because of the difficulty of detecting small tumor cell populations. We have developed a highly sensitive assay for monitoring the metastatic dissemination of human tumor cells in the chick embryo and used this assay to investigate the relative efficacy of sequential stages in the metastatic cascade for t...
Recent studies have demonstrated that the MYB oncogene is frequently duplicated in human T cell acute lymphoblastic leukemia (T-ALL). We find that the human MYB locus is flanked by 257-bp Alu repeats and that the duplication is mediated somatically by homologous recombination between the flanking Alu elements on sister chromatids. Nested long-range PCR analysis indicated a low frequency of homo...
PURPOSE Retinitis punctata albescens (RPA) is an infrequently occurring form of autosomal recessive (and rarely dominant) retinal dystrophy featuring early-onset severe night blindness and tiny, dotlike, white deposits in the fundus. RPA is associated mostly with mutations in RLBP1 and occasionally in RHO, RDS, and RDH5. In this study, mutations were sought in RLBP1, which encodes the retinol b...
Hypoxia is an integral part of tumorigenesis and contributes extensively to the neoplastic phenotype including drug resistance and genomic instability. It has also been reported that hypoxia results in global demethylation. Because a majority of the cytosine-phosphate-guanine (CpG) islands are found within the repeat elements of DNA, and are usually methylated under normoxic conditions, we sugg...
PURPOSE Autosomal dominant optic atrophy (ADOA) is the most common form of hereditary optic neuropathy caused by mutations in the optic atrophy 1 (OPA1) gene. It is characterized by insidious onset with a selective degeneration of retinal ganglion cells, variable loss of visual acuity, temporal optic nerve pallor, tritanopia, and development of central, paracentral, or cecocentral scotomas. Her...
1. Supplemental Methods Page Testing the performance of MELT in new compute environments 2 Generation of simulated data sets and validation of MELT features 2 Quality tranche system 2 Sensitivity, specificity, and runtime of MELT and other algorithms 3 Generation of MELT MEI call sets 3 PCR validation of MELT 3 Identification of population-specific Alu subfamilies 4 Assessment of Alu allelic he...
The Alu Ya-lineage is a group of related, short interspersed elements (SINEs) found in primates. This lineage includes subfamilies Ya1-Ya5, Ya5a2 and others. Some of these subfamilies are still actively mobilizing in the human genome. We have analyzed 2482 elements that reside in the human genome draft sequence and focused our analyses on the 2318 human autosomal Ya Alu elements. A total of 147...
We present the use of our recently described multiple-loci polymorphic DNA markers ("alumorphs") for linkage mapping of the human genome. By using the polymerase chain reaction (PCR) with an Alu-specific primer we could reveal, in a single experiment, up to 20 genomic polymorphisms seen as the presence or absence of amplified DNA fragments originating from genomic segments flanked by Alu repeat...
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