نتایج جستجو برای: preproinsulin
تعداد نتایج: 224 فیلتر نتایج به سال:
Type 1 diabetes results from T cell-mediated β-cell destruction. The HLA-A*24 class I gene confers significant risk of disease and early onset. We tested the hypothesis that HLA-A24 molecules on islet cells present preproinsulin (PPI) peptide epitopes to CD8 cytotoxic T cells (CTLs). Surrogate β-cell lines secreting proinsulin and expressing HLA-A24 were generated and their peptide ligandome ex...
Approximately one-half of Caucasians with newly diagnosed insulin-dependent diabetes mellitus (IDDM) have autoantibodies to insulin, and the majority of those express the HLA-DR4 genotype [Ziegler, R., Alper, C. A., Awdeh, Z. L., Castano, L., Brink, S. J., Soeldner, J. S., Jackson, R. A. & Eisenbarth, G. S. (1991) Diabetes 40, 709-714]. However, it has been difficult to demonstrate T cell proli...
Complementary DNAs encoding a preproinsulin-like growth factor (prepro-IGF) have been cloned from a primitive vertebrate species, the Atlantic hagfish, by using a DNA amplification strategy based on the polymerase chain reaction. A composite sequence containing a 414-nucleotide open reading frame encoding 138 amino acids and 164 nucleotides in the 3'-untranslated region was obtained. The deduce...
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