Jul 20, 2007 18:10
16 yrs ago
English term

re-probed

English to Chinese Medical Medical (general)
Could you please tell me what "re-probed" means here? Thank you in advance!

Text:
Protein concentration was determined by preparing lysates and Western blotting using antibodies to Core 1. The blots were re-stripped and re-probed using anti-tubulin antibodies as a loading control.
Proposed translations (Chinese)
4 +2 再检测
4 +1 再杂交
4 +1 再次探针检测

Proposed translations

+2
4 hrs
Selected

再检测

洗脱后再以微管蛋白抗体检测,做参照之用。
Peer comment(s):

agree Jinhang Wang : 再探测
7 mins
agree Shaunna (X) : 对,刚想到这是Western-blot,抗体与蛋白结合这种probing还是不用杂交的好(杂交多用于DNA/RNA, DNA/DNA, RNA/RNA). 检测就很好。
3 hrs
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4 KudoZ points awarded for this answer. Comment: "The answers, suggestions and links provided by all of you are really very helpful. Thank you all!"
+1
11 mins

再杂交

就是杂交后的膜,经过洗脱出去结合的抗体之后,再用一种抗体进行杂交检测。

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Note added at 19 mins (2007-07-20 18:29:24 GMT)
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就重复性而言:尼龙膜可反复用于分子杂交,杂交后,探针分子可经碱变性被洗脱下来;硝酸纤维素膜不能重复使用;PVDF膜可以重复使用。
http://www.labbase.net/ShowNewsDetails_3345.html
Peer comment(s):

agree Jing Nie : http://bio.hengqian.com/html/2007/2-10/r162317451.shtml , www.kangchen.com.cn/PDF/KC-420.pdf
5 hrs
Thank you Niejing! //刚从我的email alert里看到你本来是先给我提出来核酸用杂交才合适,蛋白用不合适,其实那是很对的,我看到Lu的答案就反应过来了,是我考虑不周。难得你又去考证,谢谢。
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+1
5 hrs

再次探针检测

剥离,再次探针检测,以及免疫测定方法如Western blot 和 dot-blots的再次分析

http://www.supermed.com.cn/htm/new/43.htm

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Note added at 6 hrs (2007-07-21 00:11:37 GMT)
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以上的说法在在原理上讲是成立的,但认为可能还要将探针的意思表达出来。

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Note added at 6 hrs (2007-07-21 00:12:06 GMT)
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以上的说法在在原理上讲是成立的,但我认为可能还要将探针的意思表达出来。

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Note added at 18 hrs (2007-07-21 12:34:08 GMT)
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Re-ProbeTM 优点

· 用多次探针反复Western blots 测定

· 再次分析和改正不满意的Western blots

· 保留困难得到的实验样本和试剂

· 节省了重新电泳和转移过程的时间
http://www.genecool.com/bbs/18722/ShowPost.aspx


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Note added at 18 hrs (2007-07-21 12:58:46 GMT)
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Western blotting 是在从混合蛋白质中检测微量特定蛋白质的一种方法。简单、通俗地说就是先用凝胶电泳方法分离蛋白质,并保留电泳区带的原状,然后将其转移到滤膜上,再以带有放射性同位素的特定抗体(即所谓探针)进行检测,也就是利用探针与特定蛋白质结合的特性检测该蛋白质。探针与特定蛋白质结合后,因其上有放射性同位素可通过照相的方法使其显示;如不能结合将被洗掉。所谓RE-PROP,也就是将膜上蛋白质-探针结合体的探针剥离掉后,再用探针检测一次,以再次分析和改正不满意的试验,或作为对照。
Peer comment(s):

agree Jing Nie : 同意
4 hrs
Thanks, Niejing!
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