Knock-knees

How to knock down a gene? can scientists do it to human now?

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If you are talking about certain cellular processes or pathways, one common mechanism is to inhibit or knock out certain stage of the pathway and see what happens. Eliminate some receptor with an antibody or make a knock-out organism that lacks a gene for, say, some enzyme, ...

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... treatment will have to be compleatly finished before i can benefit from treating my gut as opposed to treating many other health issues having a knock on effect. I hope this helps in some way at all Kay

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Well, something along those lines. You must either create a transgenic enbryo by inserting gene(s) into the cromosome, or if possible, simply knock out a certain gene such as some of the MHC genes that dictate tissue antigenicity. The construct that is transfered into the pig genome can be multiplied ...

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I would not knock out SIR2 genes as these: "Sirtuins are hypothesized to play a key role in an organism's response to stresses (such as heat or starvation) and to be responsible for the lifespan-extending effects of calorie ...

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