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扩增TP53内含子8用于生物检材的种属鉴定 被引量：3

Species Identification of Biological Samples by Amplifying Intron 8 of the TP53 Gene
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摘要 目的扩增常见动物TP53内含子8片段,确定其在法医学生物检材种属鉴定中的应用价值。方法收集标本为包括人在内的15种常见动物的血痕或肌肉组织,提取DNA后定量,应用PCR扩增TP53内含子8,PAGE电泳,银染后观察结果。结果人和猕猴都扩增出一条长度为460bp的片段,鳝鱼、鲢鱼、青蛙、鸭、兔、猫、小白鼠、豚鼠、猪、牛、羊虽有扩增产物,但不在分型区内,鸡、狗未见扩增产物。结论扩增TP53内含子8进行种属鉴定,方法简单,灵敏度较高。 Objective To identify the species of biological samples by amplifying intron 8 of the TP53 gene. Methods Collected the bloodstains or muscle tissues of 14 kinds of common animals and human. DNA were quantified after extraction.The PCR amplification products were analyzed by PAGE and silver staining. Results The human and monkey have one amplification band of 460bp while the eel,fish,frog, duck,rabbit,cat,mouse,cavy,pig,ox and sheep could amplify different unspecial bands.No amplification products were found in chicken and dog. Conclusion The method of species identification by amplifying intron 8 of the TP53 gene is simple and sensitive.
作者 王闯 张林 周斌 梁伟波
机构地区 四川大学华西基础医学与法医学院法医物证教研室
出处 《法医学杂志》 CAS CSCD 2005年第3期195-196,199,共3页 Journal of Forensic Medicine
基金 四川省杰出青年学科带头人培养基金项目(04ZQ026-027) 四川省带头人培养基金项目(4200313)
关键词 肿瘤抑制基因(TP53) 生物检材 种属鉴定 法医学 TP53 tumor suppressor gene biological samples species identification
分类号 D919 [医药卫生—法医学]
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参考文献9

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二级参考文献26

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法医学杂志
2005年 第3期

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