ArticleResearch in pharmaceutical sciences
Chitosan-genipin nanohydrogel as a vehicle for sustained delivery of alpha-1 antitrypsin.
Article in Research in pharmaceutical sciences. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- Developing a Chitosan/polyvinyl alcohol hydrogel for gastro-retentive release of ranitidine and enhanced anti-ulcerative properties.BMC biotechnology · 2025Article
- Internalisation and Biological Activity of Nucleic Acids Delivering Cell-Penetrating Peptide Nanoparticles Is Controlled by the Biomolecular Corona.Pharmaceuticals (Basel, Switzerland) · 2021Article
- An Overview on Spray-Drying of Protein-Loaded Polymeric Nanoparticles for Dry Powder Inhalation.Pharmaceutics · 2020Review
- Continuous-Flow Synthesis of ZIF-8 Biocomposites with Tunable Particle Size.Angewandte Chemie (International ed. in English) · 2020Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Alpha-1antitrypsin (A1AT) deficiency, an inherited disorder, has been shown to be the cause of lung diseases such as emphysema and chronic obstructive pulmonary disease. One of the treatment strategies to provide appropriate and adequate concentrations of A1AT in the lungsis the application of nanoparticles (NPs) in pulmonary drug delivery. In the current study, biocompatible nanohydrogels were prepared using chemically cross-linked chitosan with ginepin, a natural cross linker reagent, and used as a carrier to deposit A1AT into the lung tissue. Colloidal and monodispersed NPs were synthesized through reverse microemulsion. Nanohydrogels were characterized with TEM, LLS, FTIR, ZTEA potential, UV spectrum, and swelling test. Encapsulation efficacy was determined at different concentrations of A1AT using Bradford assay. Effect of processing variables such as pH, loading efficiency, and release media components on drug release profile was determined in simulated lung fluids. To evaluate the inhibitory activity of the A1AT after release from NPs, trypsin inhibitory capacity assay was carried out. Results from FTIR and UV spectrum confirmed the development of chitosan cross linkage. Spherical chitosan-genipin NPs were sized from 30-100 nm. NPs exhibited the ability to release 49% of the drug within 12-dayperiodatpH 7. However, there were variations with the drug release profile due to pH variations and loading efficacy. Drug release was higher in pseudo alveolar fluid in comparison with saline solution. These data indicate that application of chitosan nanohydrogels can be a useful tool for sustained release of A1AT in the lung tissue.
Indexed as
Identifiers
26779272PMC4698863W1819830031What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.