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      Biophysical characterization of small molecule antiviral-loaded nanolipogels for HIV-1 chemoprophylaxis and topical mucosal application

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      Acta Biomaterialia

      Elsevier BV

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          Abstract

          <p class="first" id="P2">Nanocarriers are versatile vehicles for drug delivery, and emerging as platforms to formulate and deliver multiple classes of antiretroviral (ARV) drugs in a single system. Here we describe the fabrication of hydrogel-core and lipid-shell nanoparticles (nanolipogels) for the controlled loading and topical, vaginal delivery of maraviroc (MVC) and tenofovir disoproxil fumarate (TDF), two ARV drugs with different mechanisms of action that are used in the treatment of HIV. The nanolipogel platform was used to successfully formulate MVC and TDF, which produced ARV drug-loaded nanolipogels that were characterized for their physical properties and antiviral activity against HIV-1 BaL in cell culture. We also show that administration of these drug carriers topically to the vaginal mucosa in a murine model leads to antiviral activity against HIV-1 BaL in cervicovaginal lavages. Our results suggest that nanolipogel carriers are promising for the encapsulation and delivery of hydrophilic small molecule ARV drugs, and may expand the nanocarrier systems being investigated for HIV prevention or treatment. </p><p id="P3"> <div class="figure-container so-text-align-c"> <img alt="" class="figure" src="/document_file/3a313812-2616-40cb-a620-0f3b768cc43b/PubMedCentral/image/nihms772436u1.jpg"/> </div> </p>

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          Author and article information

          Journal
          Acta Biomaterialia
          Acta Biomaterialia
          Elsevier BV
          17427061
          May 2016
          May 2016
          : 36
          : 122-131
          Article
          10.1016/j.actbio.2016.02.034
          5678975
          26947382
          © 2016

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