Biomod/2012/Tohoku/Team Sendai
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A nanodevice that is able to actively transport only the specific oligonucleotide through the biomembrane has a great potential to deliver siRNA into the cell or to extract mRNA expressed in the cell.</br> | A nanodevice that is able to actively transport only the specific oligonucleotide through the biomembrane has a great potential to deliver siRNA into the cell or to extract mRNA expressed in the cell.</br> | ||
Here, we decided to create a novel device with such a function. </br> | Here, we decided to create a novel device with such a function. </br> | ||
| - | We have designed a cylindrical injector/extractor device made of DNA origami. Inside the cylinder, a cascade of single stranded DNAs is planted. Once the outer-most ssDNA binds to a target oligonucleotide, the target is passed to the inner-ones one by one because of the higher bonding energy assigned to the inner ones.</br> | + | We have designed <strong>a cylindrical injector/extractor device made of DNA origami</strong> (we named this device: <strong>CELL-GATE</strong>). Inside the cylinder, a cascade of single stranded DNAs is planted. Once the outer-most ssDNA binds to a target oligonucleotide, the target is passed to the inner-ones one by one because of the higher bonding energy assigned to the inner ones.</br> |
We also investigate how the cylinder penetrates the biomembrane by using liposome as a model membrane.</br> | We also investigate how the cylinder penetrates the biomembrane by using liposome as a model membrane.</br> | ||
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<h2><!--Abstract-->Project Image</h2> | <h2><!--Abstract-->Project Image</h2> | ||
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<p> | <p> | ||
| - | <strong> | + | <strong>Our PROJECT CELL-GATE is divided into three sub-projects:</strong><br> |
| - | < | + | <a href="http://openwetware.org/wiki/Biomod/2012/TeamSendai/Idea#PORTER">PORTER</a>: Composed of single stranded DNA (ssDNA) sequences. Each ssDNA is called Porter. Porters are designed to transfer target DNA strands into (or out from) the membrane.</br> |
| - | < | + | <a href="http://openwetware.org/wiki/Biomod/2012/TeamSendai/Idea#GATE">GATE</a>: Cylindrical DNA nanostructure connecting the inside and outside of membrane like a channel. A cascade of the Porters is planted inside this cylinder. We can use this Gate as an injector or an extractor.</br> |
| + | <a href="http://openwetware.org/wiki/Biomod/2012/TeamSendai/Idea#MEMBRANE">MEMBRANE</a>: The exterior and the interior of the cell are compartmentalized by biomembranes. We use liposome as a model membrane. | ||
</p> | </p> | ||
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| + | <img src="http://openwetware.org/images/c/c5/Projectcellgate.png" alt="D-Heart" width="440px" usemap="#D-Heart"> | ||
| + | <map name="D-Heart"> | ||
| + | <area shape="rect" coords="310,8,390,45" href="http://openwetware.org/wiki/Biomod/2012/TeamSendai/Idea#PORTER" alt="Porter"> | ||
| + | <area shape="rect" coords="310,95,370,132" href="http://openwetware.org/wiki/Biomod/2012/TeamSendai/Idea#GATE" alt="Gate"> | ||
| + | <area shape="rect" coords="33,213,165,245" href="http://openwetware.org/wiki/Biomod/2012/TeamSendai/Idea#MEMBRANE" alt="Membarane"> | ||
| + | </map> | ||
| + | Please CLICK ITEMS, GATE, PORTER, AND MEMBRANE in the picture! | ||
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| - | <iframe width="420" height="315" src="http://www.youtube.com/embed/ | + | <iframe width="420" height="315" src="http://www.youtube.com/embed/8OB8ytltxwY" frameborder="0" allowfullscreen></iframe> |
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Current revision
Abstract
All the creatures on Earth are made of cells. The exterior and the interior of the cell are compartmentalized by biomembranes. A nanodevice that is able to actively transport only the specific oligonucleotide through the biomembrane has a great potential to deliver siRNA into the cell or to extract mRNA expressed in the cell. Here, we decided to create a novel device with such a function. We have designed a cylindrical injector/extractor device made of DNA origami (we named this device: CELL-GATE). Inside the cylinder, a cascade of single stranded DNAs is planted. Once the outer-most ssDNA binds to a target oligonucleotide, the target is passed to the inner-ones one by one because of the higher bonding energy assigned to the inner ones. We also investigate how the cylinder penetrates the biomembrane by using liposome as a model membrane.
Project Image
Our PROJECT CELL-GATE is divided into three sub-projects:
PORTER: Composed of single stranded DNA (ssDNA) sequences. Each ssDNA is called Porter. Porters are designed to transfer target DNA strands into (or out from) the membrane.
GATE: Cylindrical DNA nanostructure connecting the inside and outside of membrane like a channel. A cascade of the Porters is planted inside this cylinder. We can use this Gate as an injector or an extractor.
MEMBRANE: The exterior and the interior of the cell are compartmentalized by biomembranes. We use liposome as a model membrane.
Please CLICK ITEMS, GATE, PORTER, AND MEMBRANE in the picture!
Movie



