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siRNA初级问题请教# Biology - 生物学
a*t
1
今天我从我15岁的女儿电脑上搜出来一部A片,藏在“未来的职业”文件夹里,未来的
职业!What a
fucking day!
晚上我女朋友说我太娘了,我很火大,就跟她吵起来了,本来是想显得男人一点,结果
最后控制不住
哭起来了。What a fucking day!
昨天晚上我裸着就穿一内裤躺床上,边喝酸奶边上网,不小心酸奶滴到身上了,我正在
擦,我爸突然
进来了,居然以为我在SY什么话也没说扭头又关门出去了。What a fucking day!
今天对着镜子端详了一会儿,突然发觉自己长得有点像李宇春!What a fucking day!
周五喝多了带一女的回家,没有套,我有点担心搞出事,那女的说没事,及时出来就行
了。结果等到
高潮我控制不住了正要拔出来的时候,那女的突然两腿一盘裹住我的腰,死命夹着我大
叫:“当我孩子
的爹吧!!!” 我当场就在里面完事了。What a fucking day!
新买了件情趣内衣,昨天晚上吃完饭了悄悄换上,爬到饭桌上挑逗老公。。。。。。。
。。。。。。
桌子塌了,负伤,内衣撕破。What a fucking day!
今天和我小外甥坐沙发上一边吃
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s*g
2
一月份买了一个WNDR3700,用的WPA-TKIP加密,无论笔记本带的Intel 5100还是台式机的
Linksys WMP600N PCI网卡都只能连到54MBps,相反,一片老得不行的Belkin PCMCIA卡
倒是能
连到270-300Mbps,信号强度没问题,满格或者接近满格。
一直到不到问题所在,最近想到看看网卡的技术参数,发现两片只能连到54M的网卡只
支持WPA2加密,而
不正式支持WPA加密,把加密改成WPA2,速度立马上到270-300,如果大家碰巧也有这个
情况,可以试
试。
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m*n
3
本人对siRNA的设计和应用几乎无知,问题比较菜,请大家不要见笑。
需要用siRNA来knockdown一个外源表达的fusion protein(GFP-GOI),
因为不想影响endogenous GOI,所以想请教能不能设计siRNA只针对GFP,而不是GOI?
这样的siRNA会有效果吗?
另外大家都用什么program来设计siRNA,另外在哪家公司买siRNA啊?
谢谢了。
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Y*m
4
Today, when I got to work, I found out that I was being laid off. Two hours
later, I found out my boss had my name on the wrong list. I was elated. I
went to lunch, and on the way back was rear ended in the rain. I was an hour
and a... half late getting back to work. I was fired upon returning. FML
Today, I found out that my sister who is 16 years older than me is actually
my biological mother. She and my parents decided it was best that I didn't
know who my real mother was, and to be raised by
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m*7
5
能不能设计siRNA只针对GFP,而不是GOI?
这样的siRNA会有效果吗?
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a*e
6
??

【在 m*********7 的大作中提到】
: 能不能设计siRNA只针对GFP,而不是GOI?
: 这样的siRNA会有效果吗?

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m*7
7
What's your question?

【在 a***e 的大作中提到】
: ??
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a*e
8
I guess you can silence GFP-GOI transgene by only targeting GFP region
without affecting endogenous GOI expression.
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m*n
9
can you please explain more why targeting GFP only does not
interfere with the translation of the fusion protein?
Thank you.

【在 m*********7 的大作中提到】
: 能不能设计siRNA只针对GFP,而不是GOI?
: 这样的siRNA会有效果吗?

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m*n
10
if this works, that would be exactly what I want.
in this way, I can determine if the phenotypes
are induced specificly by GFP-GOI transgene.

【在 a***e 的大作中提到】
: I guess you can silence GFP-GOI transgene by only targeting GFP region
: without affecting endogenous GOI expression.

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a*k
11
这样是可以的

【在 m*****n 的大作中提到】
: if this works, that would be exactly what I want.
: in this way, I can determine if the phenotypes
: are induced specificly by GFP-GOI transgene.

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H*H
12
外源表达的干嘛需要knockdown啊?
你不转到细胞里不就行了么?
要用siRNA knockdown GFP-GOI而不影响GOI表达当然可以做到,设计target GFP序列的
siRNA就可以了。

【在 m*****n 的大作中提到】
: 本人对siRNA的设计和应用几乎无知,问题比较菜,请大家不要见笑。
: 需要用siRNA来knockdown一个外源表达的fusion protein(GFP-GOI),
: 因为不想影响endogenous GOI,所以想请教能不能设计siRNA只针对GFP,而不是GOI?
: 这样的siRNA会有效果吗?
: 另外大家都用什么program来设计siRNA,另外在哪家公司买siRNA啊?
: 谢谢了。

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O*e
13
他应该是想用siRNA去除GFP-GOI to verify their GFP signals (localization
pattherns, maybe?).

【在 H****H 的大作中提到】
: 外源表达的干嘛需要knockdown啊?
: 你不转到细胞里不就行了么?
: 要用siRNA knockdown GFP-GOI而不影响GOI表达当然可以做到,设计target GFP序列的
: siRNA就可以了。

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m*n
14
we want to determine if the phenotypes of the transgenic animals
are specifically caused by GFP-GOI transgene.
if by knocking down GFP-GOI transgene only, but not endougeneous GOI,
the phenotypes are gone or less severe, then we are more confident that
ectopic expression of GOI induces the phenotypes.

【在 O******e 的大作中提到】
: 他应该是想用siRNA去除GFP-GOI to verify their GFP signals (localization
: pattherns, maybe?).

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m*7
15
In theory it should work, but then you have to make sure it is not due to
off-target effect, and later rescue the phenotype by making RNAi resistant
GFP-GOI to demonstrate specificity. What's more, what if the effect of
endogenous and ectopic GOI are not additive or synergistic?

【在 m*****n 的大作中提到】
: can you please explain more why targeting GFP only does not
: interfere with the translation of the fusion protein?
: Thank you.

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