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Summary PJU78 is a 2.9-kb cloned human DNA segment derived from Xq24-q26. When used as a hybridization probe, it detects some 25 related sequences dispersed over the genome, including several autosomes and the X and Y chromosomes. Several pJU78-related sequences were chromosomally allocated and five different restriction fragment length polymorphisms detected and partially characterized in population and family studies. This sequence family was not found in non-primate species. The sequence appears to lack CpG-island character and is not detectably expressed in a variety of human tissues. 相似文献
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A mouse monoclonal antibody, HAV 4-1, obtained after immunization of a BALB/c mouse with purified C3F, detected a novel genetic polymorphism of human complement component C3 in a simple immunoblotting system. The frequency of HAV 4-1-positive genes was 20.1%. Reactivity of HAV 4-1 was closely related to C3F, but certain individuals with the C3F allele did not react with HAV 4-1. Conversely, certain C3S homozygous individuals did react with HAV 4-1. The polymorphism detected by this monoclonal antibody is therefore different from the previously described polymorphism based on charge differences. 相似文献
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Hirst M Delaney A Rogers SA Schnerch A Persaud DR O'Connor MD Zeng T Moksa M Fichter K Mah D Go A Morin RD Baross A Zhao Y Khattra J Prabhu AL Pandoh P McDonald H Asano J Dhalla N Ma K Lee S Ally A Chahal N Menzies S Siddiqui A Holt R Jones S Gerhard DS Thomson JA Eaves CJ Marra MA 《Genome biology》2007,8(6):R113-12