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<!DOCTYPE html>
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<head>
<title>Center For Engineered Therapeutics - Research</title>
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<h1>
<center>RESEARCH</center>
</h1>
<p class="p_about"> At a
fundamental level, we are
currently working on three different themes: the early events of metastasis; understanding the mechanisms (such
as phenotypic plasticity) that allow cancer cells to tolerate chemotherapy; and developing next generation
therapeutics, including nanomedicines, that can modulate the tumor stromal contexture, including the immune
cells.
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<p>
<h2><b>Cancer Immunology</b></h2>
<p class="pnew">
We are exploring new frontiers in using the immune system to target cancer.
We are studying the mechanisms underlying the interactions between cancer and immune cells. We
demonstrated, for the first time, that the dual targeting of SIRP and CSF1R using a novel engineered
therapeutic allows macrophages to better phagocytose cancer cells (Nature Biomedical Engineering, 2018).
We were the first to design an activatable reporter nanoparticle to monitor the anti-cancer efficacy of
an immune checkpoint inhibitor in real-time (PNAS 2016).Using microfluidics platforms and tumor
explants, we are studying how immune cells be recruited into tumors. We are also exploring the roles of
B cells in tumor immune response. Using a computational design platform, we recently designed a new
linker for engineering antibody drug conjugates for treatment of cancer (Nature Biomedical Engineering,
2019).
</p>
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<img src="images//research_photos/Figure_Nanomedicine.jpg" width=100%>
</div>
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<p>
<b>
<h2>Nanomedicine</h2>
</b>
<p class="pnew">
We are pioneering the use of nanotechnology to unravel new concepts in biology and
medicine.
We were the first to design layer by layer nanoparticles, inspired by the need to sequentially target
different compartments of a tumor (Nature 2005). Using imaging techniques that allowed us to visualize
nanoscale structures, we demonstrated that cancer cells can modify stromal cells in a tumor by
physically communicating through tunneling nanotubes (Nature Communications, 2015). We have merged
mathematical modeling and cancer biology to understand how cancer cells exhibit phenotypic plasticity
and drug tolerance, and designed next generation nanomedicines to perturb these phenomenon (Nature
Commun. 2015, ACS Nano 2016, Science Signaling, 2019). We are curious to explore fundamental questions
around dormancy, metastasis, treatment failures, etc, using technologies at the nanoscale.
</p>
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<p>
<h2><b>Biomaterials</b></h2>
<p class="pnew">
We develop innovative biomaterials that can be used to treat injuries or replace damaged tissues. We
have recapitulated the composition and structure of bone at the nanoscale by establishing synthetic
methods for hydroxyapatite and whitlockite bone crystals, the two major bone minerals in the human body,
and forming hierarchical nanochannels in bone scaffolds. For the first time, we reported a facile
synthetic method of whitlockite nanoparticles and demonstrated how whitlockite has different material
property from hydroxyapatite, which led whitlockite to exhibit enhanced osteogenic capacity than
hydroxyapatite. Based on these nanomaterials, we have developed bone implants and spine implants that
can function <i>in vivo</i>.
</p>
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<img src="images/research_photos/Figure_tissueEng.png" width=100%>
</div>
<div class="l_col">
<p>
<b>
<h2>Tissue engineering and modeling/simulation of biological phenomena.</h2>
</b>
<p class="pnew">
We design and tune 3D composite scaffolds to provide an optimal microenvironment for encapsulated cells
to differentiate into a specific direction and develop tissue. By orchestrating different types of
cells, we can control the spatial distribution of cellular structure in 3D tissue scaffold.
As blood circulation is critical during tissue regeneration by supplying oxygen, nutrients, and cells,
we have also successfully recapitulated perfusable microvasculature in 3D tissue scaffolds. We have
engineered vascularized tissues on microfluidic chips which can be used for testing novel drugs and
investigate pathological mechanisms of various diseases including cancer metastasis.
Since each tissue dynamically interacts with other neighboring tissues, we have been using holistic and
interdisciplinary approach to engineer complex organ systems, including usage of 3D bioprinting
technology. At the same time, we regulate different types of biomaterials for directing cellular growth
and differentiation as cells of each tissue type seeks their niche with distinct physicochemical
properties.
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<p>Copyright © 2019 Center For Engineered Therapeutics | All rights reserved</p>
<p>Made by <a href="https://www.linkedin.com/in/itsron143/">Rounak</a>, <a
href="https://www.linkedin.com/in/chinmayagr">Chinmay</a> and <a
href="https://www.linkedin.com/in/astha-gupta-769b74158/">Astha</a>.</p>
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