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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Up-regulation of specific tyrosinase mRNAs in mouse melanomas with the c~2j gene substituted for the wild-type tyrosinase allele: Utilization in design of syngeneic immunotherapy models
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Up-regulation of specific tyrosinase mRNAs in mouse melanomas with the c~2j gene substituted for the wild-type tyrosinase allele: Utilization in design of syngeneic immunotherapy models

机译:用c〜2j基因取代野生型酪氨酸酶等位基因的小鼠黑素瘤中特定酪氨酸酶mRNA的上调:在同基因免疫治疗模型设计中的应用

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摘要

The expression of cell-specialization genes is likely to be changing in tumor cells as their differentiation declines. Functional changes in these genes might yield un- usual peptide epitopes with anti-tumor potential and could occur without modification in the DNA sequence of the gene. Melanomas undergo a characteristic decline in melanization that may reflect altered contributions of key melanocytic genes such as tyrosinase. Quantitative reverse transcriptase- PCR of the wild-type (C) tyrosinase gene in transgenic (C57BL/6 strain) mouse melanomas has revealed a shift toward alternative splicing of the pre-mRNA that generated increased levels of the △1b and △1d mRNA splice variants.
机译:随着肿瘤分化程度的降低,细胞专业化基因的表达可能会发生变化。这些基因的功能变化可能会产生具有抗肿瘤潜力的非常规肽表位,并且可能在不修饰基因DNA序列的情况下发生。黑色素瘤的黑化特征下降,可能反映了关键的黑​​素细胞基因(例如酪氨酸酶)的贡献发生了变化。转基因(C57BL / 6品系)小鼠黑素瘤中野生型(C)酪氨酸酶基因的定量逆转录酶PCR显示,前mRNA的选择性剪接已发生变化,从而导致△1b和△1d mRNA剪接水平的提高变体。

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