Biomod/2014/OhioMOD: Difference between revisions

Revision as of 12:50, 14 September 2014

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   <a class="navbar-brand" href="http://openwetware.org/wiki/Biomod/2014/OhioMOD">OhioMOD</a>
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     <li ><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD">Home</a></li>
     <li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/project">Background</a></li>

<li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/results">Project and Results</a></li>

       <a href="#" class="dropdown-toggle" data-toggle="dropdown">Materials and Methods <b class="caret"></b></a>
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         <li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/protocols">Protocols</a></li>
         <li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/equipment">Equipment</a></li>
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         <li class="dropdown-header">Lab Notebook</li>
         <li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/LabNotebook">Experiment Schedule</a></li>
         <li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/experimentnotes">Experiment Notes</a></li>
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<li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/team">Team</a></li> <li><a href="http://openwetware.org/wiki/Biomod/2014/OhioMOD/sponsors">Acknowledgement</a></li> <li><a href="http://www.giveto.osu.edu/igive/OnlineGiving/fund_results.aspx?fund=314139" target="_blank">Give To OhioMOD</a></li>

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</style>  </head> <body> <div id="logo"> <img src="http://openwetware.org/images/e/ed/OHIOMODLOGO2.png" alt="OhioMOD"> <iframe src="//www.facebook.com/plugins/like.php?href=https%3A%2F%2Fwww.facebook.com%2FOhioMod&width&layout=standard&action=like&show_faces=true&share=true&height=80" scrolling="no" frameborder="0" style="border:none; overflow:hidden; height:80px;" allowTransparency="true"></iframe> </div> <div id="abstract"> <h1>Welcome to OhioMOD</h1> <p1>OhioMOD is Ohio State's undergraduate biomolecular design team. The team participates in the BIOMOD international competition each year at Harvard University. The 2014 project will use a folded DNA structure to control miRNA gene regulation in cancer.</p1> <h1>Abstract</h1> <p2>MicroRNAs (miRs) are short, non-coding RNAs that regulate gene expression and control essential cellular

processes, such as cell cycle progression and apoptosis, through interactions with messenger RNA.

Dysregulation of miR expression levels can promote tumorigenesous either by elevating oncogene or silencing

tumor suppressor gene levels implicating miRs as an attractive therapeutic target. One therapeutic approach is

to decrease levels of miRs that target tumor suppressor genes such as PTEN to ultimately promote apoptosis

by complementary base pair antagonism via antisense DNA, but limitations exist in regard to antisense DNA

cellular delivery. A previous study demonstrated that DNA nanostructures functionalized with small interfering

RNA (siRNA) underwent efficient cellular entry and executed targeted gene suppression suggesting strong

potential for DNA nanostructures as a nucleotide delivery vehicle. Here, we report the fabrication of a rod-like

and a block-like DNA nanostructure incorporated with DNA overhangs capable of binding and sequestering

miR-21, a PTEN targeting miR that is overexpressed in a variety of malignancies including chronic lymphocytic

leukemia (CLL). Proper assembly was confirmed via gel electrophoresis and transmission electron microscopy.

Incorporation and functionality of DNA overhangs complementary for miR-21 was confirmed via fluorescent

gel imaging. In addition, DNA nanostructures were shown to enter the endolysosomal pathway as revealed

via fluorescent microscopy. Furthermore, miR-21 complementary DNA overhang functionalized structures

induced marked decreases in OSU-CLL cell viability relative to scrambled control overhang nanostructures as

shown via fluorescent microscopy. Future work will directly investigate expression levels of PTEN mRNA and

protein using quantitative real time PCR and immunoblot analysis respectively. Our current findings suggest

that the complementary miR-21 DNA overhang functionalized DNA nanostructures effectively sequester miR-

21 to induce cytoxicity in OSU-CLL cells. Our results represent a promising antisense DNA delivery therapeutic

approach in a CLL leukemia model with implications to a variety of human malignancies. </p2> <h1>Video</h1> <p3>The 2014 video is coming soon. Until then, enjoy OhioMOD's videos from the past two years!</p3><br> </div> <div id="video"> <center> <iframe width="560" height="315" src="//www.youtube.com/embed/d1NVwkxnS-s" frameborder="0" allowfullscreen></iframe> <iframe width="560" height="315" src="//www.youtube.com/embed/_RK5GbcpEqQ" frameborder="0" allowfullscreen></iframe> </center>

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<td id="email">Contact us at <a href="mailto:theohiomod@gmail.com"><font color="white">theohiomod@gmail.com</a></td>

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Biomod/2014/OhioMOD: Difference between revisions

Revision as of 12:50, 14 September 2014

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-<img src="http://openwetware.org/images/2/20/Logo_copy.jpg" alt="some_text">
+<img src="http://openwetware.org/images/e/ed/OHIOMODLOGO2.png" alt="OhioMOD">
+<iframe src="//www.facebook.com/plugins/like.php?href=https%3A%2F%2Fwww.facebook.com%2FOhioMod&amp;width&amp;layout=standard&amp;action=like&amp;show_faces=true&amp;share=true&amp;height=80" scrolling="no" frameborder="0" style="border:none; overflow:hidden; height:80px;" allowTransparency="true"></iframe>
 </div>
 <div id="abstract">
-<h1>Hello! This page is under construction</h1>
+<h1>Welcome to OhioMOD</h1>
-<h2>But here is an awesome video for y'all </h2>
+<p1>OhioMOD is Ohio State's undergraduate biomolecular design team.  The team participates in the BIOMOD international competition each year at Harvard University.  The 2014 project will use a folded DNA structure to control miRNA gene regulation in cancer.</p1>
+<h1>Abstract</h1>
+<p2>MicroRNAs (miRs) are short, non-coding RNAs that regulate gene expression and control essential cellular
+processes, such as cell cycle progression and apoptosis, through interactions with messenger RNA.
+Dysregulation of miR expression levels can promote tumorigenesous either by elevating oncogene or silencing
+tumor suppressor gene levels implicating miRs as an attractive therapeutic target. One therapeutic approach is
+to decrease levels of miRs that target tumor suppressor genes such as PTEN to ultimately promote apoptosis
+by complementary base pair antagonism via antisense DNA, but limitations exist in regard to antisense DNA
+cellular delivery. A previous study demonstrated that DNA nanostructures functionalized with small interfering
+RNA (siRNA) underwent efficient cellular entry and executed targeted gene suppression suggesting strong
+potential for DNA nanostructures as a nucleotide delivery vehicle. Here, we report the fabrication of a rod-like
+and a block-like DNA nanostructure incorporated with DNA overhangs capable of binding and sequestering
+miR-21, a PTEN targeting miR that is overexpressed in a variety of malignancies including chronic lymphocytic
+leukemia (CLL). Proper assembly was confirmed via gel electrophoresis and transmission electron microscopy.
+Incorporation and functionality of DNA overhangs complementary for miR-21 was confirmed via fluorescent
+gel imaging. In addition, DNA nanostructures were shown to enter the endolysosomal pathway as revealed
+via fluorescent microscopy. Furthermore, miR-21 complementary DNA overhang functionalized structures
+induced marked decreases in OSU-CLL cell viability relative to scrambled control overhang nanostructures as
+shown via fluorescent microscopy. Future work will directly investigate expression levels of PTEN mRNA and
+protein using quantitative real time PCR and immunoblot analysis respectively. Our current findings suggest
+that the complementary miR-21 DNA overhang functionalized DNA nanostructures effectively sequester miR-
+to induce cytoxicity in OSU-CLL cells. Our results represent a promising antisense DNA delivery therapeutic
+approach in a CLL leukemia model with implications to a variety of human malignancies. </p2>
+<h1>Video</h1>
+<p3>The 2014 video is coming soon. Until then, enjoy OhioMOD's videos from the past two years!</p3><br>
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+<A HREF="#top"><img src="http://openwetware.org/images/4/46/Arrow_up.png" id="fixedbutton"height="40" width="40"></A>
+</br><a href="http://openwetware.org/index.php?title=Biomod/2014/OhioMOD&action=edit">Edit Main Page</a>
+<a href="http://info.flagcounter.com/4FJ3"><img src="http://s06.flagcounter.com/count/4FJ3/bg_FFFFFF/txt_000000/border_CCCCCC/columns_8/maxflags_12/viewers_3/labels_1/pageviews_1/flags_0/" alt="Flag Counter" border="0"></a>
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