A straight-forward carbonic anhydrase activation strategy via dynamic encapsulation has been achieved by direct addition of multivalent amide dynamers into enzyme reaction solutions.
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Molecular Dynamics Insights into Peptide-Based Tetrodotoxin Delivery Nanostructures.
Molecules
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Department of Chemistry & Chemical Biology, The University of New Mexico, Albuquerque, NM 87131, USA.
Tetrodotoxin (TTX), a potent Site-1 sodium channel blocker (S1SCB), offers highly effective local anesthetic properties with minimal addiction potential. To fully leverage TTX's capabilities as a local anesthetic, it is crucial to develop a drug delivery system that balances its systemic toxicity with its therapeutic efficacy. Recent studies have shown that peptide mixtures, derived from fragments of Site-1 sodium channel proteins and enhanced with hydrophobic tails (designated MP1 and MP2), can self-assemble into nanostructures that exhibit remarkable sustained-release capabilities for TTX.
View Article and Find Full Text PDFEncapsulation of Moringa oleifera aqueous extract in silver chitosan metallopolymer nanocomposites for anti-cancer activity.
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January 2025
Department of Chemistry, PIEAS, P. O. Nilore, 45650 Islamabad, Pakistan.
The growing interest in plant-derived compounds and synthesis of metallopolymer nanocomposites (MPNCs) especially silver chitosan nanocomposites (AgCS-NCs) emerges as a useful platform to encapsulate and deliver plant-based anticancer drugs. This work presents the synthesis of AgCS-NCs by using Moringa oleifera aqueous leaf extract (MOAE) and the effect of concentration of MOAE on physicochemical properties of AgCS-NCs followed by its anticancer effect on MCF-7 cell line. The results of UV-visible spectroscopy (UV-Vis) and Scanning electron microscopy (SEM) showed successful formation of AgCS-NCs.
View Article and Find Full Text PDFExploring the potential of gemcitabine-metal-organic frameworks in combating pancreatic cancer under ketogenic conditions.
BMC Cancer
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Department of Biochemistry, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Background: Inadequate treatment responses, chemotherapy resistance, significant heterogeneity, and lengthy treatment durations create an urgent need for new pancreatic cancer therapies. This study aims to investigate the effectiveness of gemcitabine-loaded nanoparticles enclosed in an organo-metallic framework under ketogenic conditions in inhibiting the growth of MIA-PaCa-2 cells.
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In Silico-Guided Discovery of Polysaccharide Derivatives as Adjuvants in Nanoparticle Vaccines for Cancer Immunotherapy.
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Cancer vaccines utilizing nanoparticle (NP) structures that integrate antigens and adjuvants to enhance delivery and stimulate immune responses are emerging as a promising avenue in cancer immunotherapy. However, the development of cancer vaccines has been significantly hindered by the low immunogenicity of tumor antigens. To address this challenge, substantial efforts have been made in developing innovative adjuvants to elicit effective immune responses.
View Article and Find Full Text PDFPre-assembled nanospheres in mucoadhesive microneedle patch for sustained release of triamcinolone in the treatment of oral submucous fibrosis.
Zhong Nan Da Xue Xue Bao Yi Xue Ban
August 2024
Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University; Hunan Engineering Research Center for Oral Digital Intelligence and Personalized Medicine; Hunan 3D Printing Engineering Research Center of Oral Care; WANG Songling Academician Workstation for Oral-maxilofacial and Regenerative Medicine, Central South University, Changsha 410078.
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