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Development of a bacteria-nanosapper for the active delivery of ZIF-8 particles containing therapeutic genes for cancer immune therapy.
Acta Pharm Sin B
December 2024
School of Pharmacy, Institute of Hepatology and Metabolic Diseases, Department of Hepatology, the Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 311121, China.
Specific tumor-targeted gene delivery remains an unsolved therapeutic issue due to aberrant vascularization in tumor microenvironment (TME). Some bacteria exhibit spontaneous chemotaxis toward the anaerobic and immune-suppressive TME, which makes them ideal natural vehicles for cancer gene therapy. Here, we conjugated ZIF-8 metal-organic frameworks encapsulating eukaryotic murine interleukin 2 () expression plasmid onto the surface of VNP20009, an attenuated strain with well-documented anti-cancer activity, and constructed a TME-targeted delivery system named /ZIF-8@.
View Article and Find Full Text PDFAmantadine modulates novel macrophage phenotypes to enhance neural repair following spinal cord injury.
J Transl Med
January 2025
Department of Neurosurgery, The Second Affiliated Hospital of Xi'an Jiao Tong University, Xi'an, China.
Background: Spinal cord injury (SCI) triggers a complex inflammatory response that impedes neural repair and functional recovery. The modulation of macrophage phenotypes is thus considered a promising therapeutic strategy to mitigate inflammation and promote regeneration.
Methods: We employed microarray and single-cell RNA sequencing (scRNA-seq) to investigate gene expression changes and immune cell dynamics in mice following crush injury at 3 and 7 days post-injury (dpi).
Potential of Liposomal FTY720 for Bone Regeneration: Proliferative, Osteoinductive, Chemoattractive, and Angiogenic Properties Compared to Free Bioactive Lipid.
Int J Nanomedicine
January 2025
Pharmaceutical Technology Laboratory, Department of Pharmacy, University of Patras, Rion, 26504, Greece.
Introduction: FTY720 bioactive lipid has proliferative, osteoinductive, chemo attractive, and angiogenic properties, being thus a potential exogenous administered agent for promotion of bone regeneration. Herein we developed FTY720-loaded liposomes as a potential delivery system that could retain and prolong the bioactivity of the bioactive lipid and at the same time reduce its cytotoxicity (at high doses).
Methods: FTY720 liposomes were prepared by thin-lipid hydration and microfluidic flow focusing, and evaluated for their ability to induce proliferation, osteoinduction, and chemoattraction in three cell types: MC3T3-E1 pre-osteoblast cells, L929 fibroblast cells, and ATDC5 chondrogenic cells.
Understanding the Impact of Salt Stress on Plant Pathogens Through Phenotypic and Transcriptomic Analysis.
Plants (Basel)
January 2025
Department of Integrated Biological Science, Pusan National University, Busan 46241, Republic of Korea.
For plant diseases to become established, plant pathogens require not only virulence factors and susceptible hosts, but also optimal environmental conditions. The accumulation of high soil salinity can have serious impacts on agro-biological ecosystems. However, the interactions between plant pathogens and salinity have not been fully characterized.
View Article and Find Full Text PDFGenomic insights into Thermomonas hydrothermalis: potential applications in industrial biotechnology.
World J Microbiol Biotechnol
January 2025
Department of Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Medeniyet University, Istanbul, 34700, Turkey.
Thermomonas hydrothermalis, a thermophilic bacterium isolated from hot springs, exhibits unique genomic features that underpin its adaptability to extreme environments and its potential in industrial biotechnology. In this study, we present a comparative genomic analysis of two strains, DSM 14834 and HOT.CON.
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