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Articles 1 - 7 of 7
Full-Text Articles in Medicine and Health Sciences
Targeted And Controlled Anticancer Drug Delivery And Release With Magnetoelectric Nanoparticles, Alexandra Rodzinski
Targeted And Controlled Anticancer Drug Delivery And Release With Magnetoelectric Nanoparticles, Alexandra Rodzinski
FIU Electronic Theses and Dissertations
A major challenge of cancer treatment is successful discrimination of cancer cells from healthy cells. Nanotechnology offers multiple venues for efficient cancer targeting. Magnetoelectric nanoparticles (MENs) are a novel, multifaceted, physics-based cancer treatment platform that enables high specificity cancer targeting and externally controlled loaded drug release. The unique magnetoelectric coupling of MENs allows them to convert externally applied magnetic fields into intrinsic electric signals, which allows MENs to both be drawn magnetically towards the cancer site and to electrically interface with cancer cells. Once internalized, the MEN payload release can be externally triggered with a magnetic field. MENs uniquely allow …
Novel Ph-Sensitive Cyclic Peptides, Dhammika Weerakkody, Anna Moshnikova, Naglaa Salem El-Sayed, Ramona-Cosima Adochite, Gregory Slaybaugh, Jovana Golijanin, Rakesh Tiwari, Oleg A. Andreev, Keykavous Parang, Yana K. Reshetnyak
Novel Ph-Sensitive Cyclic Peptides, Dhammika Weerakkody, Anna Moshnikova, Naglaa Salem El-Sayed, Ramona-Cosima Adochite, Gregory Slaybaugh, Jovana Golijanin, Rakesh Tiwari, Oleg A. Andreev, Keykavous Parang, Yana K. Reshetnyak
Pharmacy Faculty Articles and Research
A series of cyclic peptides containing a number of tryptophan (W) and glutamic acid (E) residues were synthesized and evaluated as pH-sensitive agents for targeting of acidic tissue and pH-dependent cytoplasmic delivery of molecules. Biophysical studies revealed the molecular mechanism of peptides action and localization within the lipid bilayer of the membrane at high and low pHs. The symmetric, c[(WE)4WC], and asymmetric, c[E4W5C], cyclic peptides translocated amanitin, a polar cargo molecule of similar size, across the lipid bilayer and induced cell death in a pH- and concentration-dependent manner. Fluorescently-labelled peptides were evaluated for targeting of acidic 4T1 mammary tumors in …
Gold Nanostars For Efficient In Vitro And In Vivo Real-Time Sers Detection And Drug Delivery Via Plasmonic-Tunable Raman/Ftir Imaging, Furong Tian, Joao Conde, Chenchen Bao, Yunsheng Chen, James Curtin, Daxiang Cui
Gold Nanostars For Efficient In Vitro And In Vivo Real-Time Sers Detection And Drug Delivery Via Plasmonic-Tunable Raman/Ftir Imaging, Furong Tian, Joao Conde, Chenchen Bao, Yunsheng Chen, James Curtin, Daxiang Cui
Articles
The application of plasmonic-enhanced Raman imaging of cancer cells and drug delivery is gaining momentum. Here, we propose a new theranostic strategy based on an efficient plasmonic-tunable Raman/Fourier transform infrared (FTIR) spectroscopy imaging, to simultaneously evaluate the anticancer drug scattering cellular imaging and the Raman scattering molecular vibration signals in living cells. This technique allows to monitoring the drug release throughout the cell cycle and in vivo biodistribution and biocompatibility with low dose drug therapy (200 µg/mL) and low toxicity effect. This system can directly track in real-time the delivery and release of an anticancer drug (mitoxantrone, MTX) from gold …
Psma Targeted Docetaxel-Loaded Superparamagnetic Iron Oxide Nanoparticles For Prostate Cancer, Prashanth K. B. Nagesh, Nia R. Johnson, Vijaya K. N. Boya, Pallabita Chowdhury, Shadi F. Othman, Vahid Khalilzad-Sharghi, Bilal B. Hafeez, Aditya Ganju, Sheema Khan, Stephen Behrman, Nadeem Zafar, Subhash C. Chauhan, Meena Jaggi, Murali M. Yallapu
Psma Targeted Docetaxel-Loaded Superparamagnetic Iron Oxide Nanoparticles For Prostate Cancer, Prashanth K. B. Nagesh, Nia R. Johnson, Vijaya K. N. Boya, Pallabita Chowdhury, Shadi F. Othman, Vahid Khalilzad-Sharghi, Bilal B. Hafeez, Aditya Ganju, Sheema Khan, Stephen Behrman, Nadeem Zafar, Subhash C. Chauhan, Meena Jaggi, Murali M. Yallapu
School of Medicine Publications and Presentations
Docetaxel (Dtxl) is currently the most common therapeutic option for prostate cancer (PC). However, adverse side effects and problems associated with chemo-resistance limit its therapeutic outcome in clinical settings. A targeted nanoparticle system to improve its delivery to and activity at the tumor site could be an attractive strategy for PC therapy. Therefore, the objective of this study was to develop and determine the anti-cancer efficacy of a novel docetaxel loaded, prostate specific membrane antigen (PSMA) targeted superparamagnetic iron oxide nanoparticle (SPION) (J591-SPION-Dtxl) formulation for PC therapy. Our results showed the SPION-Dtxl formulation exhibits an optimal particle size and zeta …
Calcium Phosphate As A Key Material For Socially Responsible Tissue Engineering, Vuk Uskoković, Victoria M. Wu
Calcium Phosphate As A Key Material For Socially Responsible Tissue Engineering, Vuk Uskoković, Victoria M. Wu
Pharmacy Faculty Articles and Research
Socially responsible technologies are designed while taking into consideration the socioeconomic, geopolitical and environmental limitations of regions in which they will be implemented. In the medical context, this involves making therapeutic platforms more accessible and affordable to patients in poor regions of the world wherein a given disease is endemic. This often necessitates going against the reigning trend of making therapeutic nanoparticles ever more structurally complex and expensive. However, studies aimed at simplifying materials and formulations while maintaining the functionality and therapeutic response of their more complex counterparts seldom provoke a significant interest in the scientific community. In this review …
From Mollusks To Medicine: A Venomics Approach For The Discovery And Characterization Of Therapeutics From Terebridae Peptide Toxins, Aida Verdes, Prachi Anand, Juliette Gorson, Stephen Jannetti, Patrick Kelly, Abba Leffler, Danny Simpson, Girish Ramrattan, Mandë Holford
From Mollusks To Medicine: A Venomics Approach For The Discovery And Characterization Of Therapeutics From Terebridae Peptide Toxins, Aida Verdes, Prachi Anand, Juliette Gorson, Stephen Jannetti, Patrick Kelly, Abba Leffler, Danny Simpson, Girish Ramrattan, Mandë Holford
Publications and Research
Animal venoms comprise a diversity of peptide toxins that manipulate molecular targets such as ion channels and receptors, making venom peptides attractive candidates for the development of therapeutics to benefit human health. However, identifying bioactive venom peptides remains a significant challenge. In this review we describe our particular venomics strategy for the discovery, characterization, and optimization of Terebridae venom peptides, teretoxins. Our strategy reflects the scientific path from mollusks to medicine in an integrative sequential approach with the following steps: (1) delimitation of venomous Terebridae lineages through taxonomic and phylogenetic analyses; (2) identification and classification of putative teretoxins through omics …
Perspectives On Transdermal Electroporation, Kevin B. Ita
Perspectives On Transdermal Electroporation, Kevin B. Ita
Faculty Publications & Research of the TUC College of Pharmacy
Transdermal drug delivery offers several advantages, including avoidance of erratic absorption, absence of gastric irritation, painlessness, noninvasiveness, as well as improvement in patient compliance. With this mode of drug administration, there is no pre-systemic metabolism and it is possible to increase drug bioavailability and half-life. However, only a few molecules can be delivered across the skin in therapeutic quantities. This is because of the hindrance provided by the stratum corneum. Several techniques have been developed and used over the last few decades for transdermal drug delivery enhancement. These include sonophoresis, iontophoresis, microneedles, and electroporation. Electroporation, which refers to the temporary …