Mostrando 401 - 420 Resultados de 198,103 Para Buscar '"mutation"', tiempo de consulta: 0.54s Limitar resultados
  1. 401
    “…Final failure samples (weeks 14 to 48) typically showed a dominant strain with multiple mutations or N155H alone. Single N155H or multiple mutations were also observed in RAL-treated patients at virologic failure. …”
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  2. 402
    “…If poor condition results from pre-existing deleterious mutations, the result is “fitness-dependent mutation rate,” which has interesting theoretical implications. …”
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  3. 403
    “…Mitochondrial DNA (mtDNA) mutator mice are proposed to express premature aging phenotypes including kyphosis and hair loss (alopecia) due to their carrying a nuclear-encoded mtDNA polymerase with a defective proofreading function, which causes accelerated accumulation of random mutations in mtDNA, resulting in expression of respiration defects. …”
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  4. 404
    “…Current estimates of the mutation rate and the mutational spectra in mismatch repair defective cells are primarily limited to a small number of individual reporter loci. …”
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  5. 405
    “…Genome sizes and mutation rates covary across all domains of life. In unicellular organisms and DNA viruses, they show an inverse relationship known as Drake’s rule. …”
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  6. 406
  7. 407
    “…BACKGROUND: Increased number of single nucleotide substitutions is seen in breast and ovarian cancer genomes carrying disease-associated mutations in BRCA1 or BRCA2. The significance of these genome-wide mutations is unknown. …”
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  8. 408
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  10. 410
    “…These programs also address the detection of sSNVs at low allele frequencies, allowing for the study of tumor heterogeneity, cancer subclones, and mutation evolution in cancer development. METHODS: We used whole genome sequencing (Illumina Genome Analyzer IIx platform) of a melanoma sample and matched blood, whole exome sequencing (Illumina HiSeq 2000 platform) of 18 lung tumor-normal pairs and seven lung cancer cell lines to evaluate six tools for sSNV detection: EBCall, JointSNVMix, MuTect, SomaticSniper, Strelka, and VarScan 2, with a focus on MuTect and VarScan 2, two widely used publicly available software tools. …”
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  11. 411
    “…METHODS: Mutation screening of altogether 70 MED12 mutation-negative uterine leiomyomas was carried out by direct sequencing. …”
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  12. 412
    “…Neurofibromatosis type 1 (NF1) is a common autosomal dominant genetic disorder caused by mutations in the NF1 gene. One of the hallmarks of NF1 is the high mutation rate in this gene. …”
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  13. 413
    “…Our understanding of the evolutionary consequences of mutation relies heavily on estimates of the rate and fitness effect of spontaneous mutations generated by mutation accumulation (MA) experiments. …”
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  14. 414
    “…In order to provide accurate and reliable genetic counseling and prenatal diagnosis, we screened DMD mutations in a cohort of 119 Chinese patients using multiplex ligation-dependent probe amplification (MLPA) and denaturing high performance liquid chromatography (DHPLC) followed by Sanger sequencing. …”
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  15. 415
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  18. 418
    “…But little is known about the response to EGFR TKIs and the prognostic role of compound mutations. This study compared the uncommon EGFR exon 21 L858R compound mutations with single mutation to characterize EGFR compound mutations and investigated their response to EGFR TKI treatment. …”
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  20. 420
    “…Remarkably, all but one TERT promoter-mutated tumor also contained MED12 mutations, indicating that these mutations are strongly associated (P=8.4 × 10(−6)). …”
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