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boron

铜虫 (小有名气)

[求助] 求教基因defeciency是什么意思

看文献的时候,里面提到基因敲除的果蝇,分组里面有wt(+/+),heterozygous knockout(+/-), heterozygous deficiency(Def/+), homozygous KO(-/-), trans-heterozygous(Def/-)。帮忙说说这个defeciency是什么意思,跟knockout有什么区别?谢谢啦
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西瓜

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不清楚,顶下~
2楼2012-03-28 10:35:18
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boron

铜虫 (小有名气)

引用回帖:
2楼: Originally posted by 西瓜 at 2012-03-28 10:35:18:
不清楚,顶下~

多谢,继续提问
3楼2012-03-31 19:47:24
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西瓜

荣誉版主 (知名作家)

【答案】应助回帖

★ ★
感谢参与,应助指数 +1
boron: 金币+2, 唉。。没有人清楚吗。。。送你两个金币,谢谢了 2012-04-06 10:59:15
杂合缺失的意思。

heterozygous deficiency
     Results The rate of heterozygous deficiency of α1-ACT was 4.4% in childrenn with childhood asthma, 0% in healthy children and 0.5% in healthy adults. The rate of heterozygous deficiency of α1-ACT was far higher in the asthmatic children than in healthy adults (Prevalence ratio=8.89, 2MH=5.68, 95% confidence interval 1.47, 53.60, P< 0.05).  
     结果哮喘组、儿童对照组以及成人对照组α1 ACT杂合缺失频率依次为4.4 %、0、0.05 % ,哮喘组较成人对照组明显增高[Prevalenceradio(PR)=8.89, 2MH =5.68,95 %置信区间(1.47,53.60) ,P<0.05] ;  
短句来源
     Study of heterozygous deficiency of α_1-antichymotrypsin in childhood asthma  
     儿童哮喘α_1-抗糜蛋白酶杂合缺失研究  
短句来源
     Besides,the rate of heterozygous deficiency ofα 1 -ACT in the asthmatic group in Guangzhou was higher than that in Chongqing(χ 2 =4.054,P<0.05).  
     广州市哮喘儿童α1-ACT杂合缺失频率 (14 % )明显高于重庆市哮喘儿童 (4.4 % ) ,χ2 =4.054,P<0.05 ;  
短句来源
     Analysis onα_1-ACT heterozygous deficiency in asthmatic children in Guangzhou  
     广州市汉族哮喘儿童α_1-抗糜蛋白酶杂合缺失分析  
短句来源
     The children with heterozygous deficiency of α1-ACT experienced the first onset of asthma in a far younger age and were hospitalized more frequently. And they had a higher positive rate of radioactive sensitizin test (Prevalence ratio=3.91,2MH=10.190,95% confidence interval 1.69,9.03,P<0.01).  
     且α1 ACT杂合缺失患儿哮喘初发年龄早、住院次数多、放射性过敏原吸附试验阳性率显著增高[PR=3.91, 2MH=10.190,95 %置信区间(1.69,9.03) ,P<0.01]。
4楼2012-04-01 17:21:56
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wxf-er

银虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
个人理解:defeciency指功能部分缺失或者降低,如通过VIGS,大多能使表达降低但使功能丧失的话就不确定;knockout就是基因敲除,完全使这个基因功能缺失
自然
5楼2012-04-15 13:23:31
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