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Peter N. Robinson Annett Böddrich Hartmut Peters Sigrid Tinschert Annegret Buske Dieter Kaufmann Peter Nürnberg 《Human genetics》1995,96(1):95-98
We screened a total of 92 unrelated patients with neurofibromatosis type 1 (NF1) for mutations in exon 37 of the NF1 gene, by using temperature gradient gel electrophoresis. Two novel mutations were found: a 4 bp deletion in a so-called quasi-symmetric element (6789delTTAC) and a recurrent nonsense mutation, which was identified in two unrelated patients, at codon 2264 (C6792A). The independent origin of the latter mutation in two families was confirmed by haplotype analysis. The nonsense mutation and the 4 bp deletion are both predicted to lead to a truncated protein product lacking the Cterminal 20% (aproximately) of its sequence. The occurrence of three independent mutations among 92 NF1 patients at codons 2263–2264 (exon 37) suggests that a specific search for mutations in this area should be undertaken in screening programs for NF1 mutations. 相似文献
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Gisch N Buske B Heine H Lindner B Zähringer U 《Bioorganic & medicinal chemistry letters》2011,21(11):3362-3366
Muramyl di- and tri-peptides are putative activators of the innate immune system through stimulation of the NOD2 receptor. To provide tools for the clarification of the mechanism of this activation we isolated different UDP-muramyl tripeptides (Lys- and DAP-type) from bacteria and used them to synthesize biotinylated derivatives. All biotinylated compounds retained their ability to activate NOD2 in a cell-based test system and are therefore suitable for binding studies aimed at identifying the appropriate pattern recognition receptor(s). 相似文献
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