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Promotion of Triple Negative Breast Cancer Immunotherapy by Combining Bioactive Radicals with Immune Checkpoint Blockade.
Acta Biomater
January 2025
Institute of Breast Health Medicine, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, Sichuan, China, 610041. Electronic address:
Although immunotherapy has revolutionized clinical cancer treatment, the efficacy is limited due to the lack of tumor-associated antigens (TAAs) and the presence of compensatory immune checkpoints. To overcome the deficiency, a nano-system loaded with ozone and CD47 inhibitor RRx-001 is designed and synthesized. Upon irradiation, reactive oxygen species (ROS) generated from ozone reacts with nitric oxide (NO) metabolized from RRx-001 to form reactive nitrogen species (RNS), which presents a much stronger cell-killing ability than ROS.
View Article and Find Full Text PDFHigh mRNA Expression of 24 Dehydrocholesterol Reductase (DHCR24) in the Treatment of Doxorubicin-Induced Heart Failure in Rats.
Int J Mol Sci
January 2025
School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510275, China.
Objective: The objective of this study was to explore the possibility of treating heart failure in rats by delivering mRNA of 24-dehydrocholesterol reductase (DHCR24) into the body through lipid nanoparticles (LNPs).
Methods: We established a heart failure rat model using doxorubicin. The experiment was divided into blank, model, mRNA stock solution cardiac injection, mRNA stock solution intravenous injection, LNP-mRNA stock solution cardiac injection, and LNP-mRNA stock solution intravenous injection groups.
Advancements in Transdermal Drug Delivery Systems: Harnessing the Potential of Macromolecular Assisted Permeation Enhancement and Novel Techniques.
AAPS PharmSciTech
January 2025
Department of Pharmaceutics, School of Pharmaceutical Science, Siksha 'O' Anusandhan University, Bhubaneswar, 751003, Odisha, India.
Transdermal drug delivery (TDD) represents a transformative paradigm in drug administration, offering advantages such as controlled drug release, enhanced patient adherence, and circumvention of hepatic first-pass metabolism. Despite these benefits, the inherent barrier function of the skin, primarily attributed to the stratum corneum, remains a significant impediment to the efficient permeation of therapeutic agents. Recent advancements have focused on macromolecular-assisted permeation enhancers, including carbohydrates, lipids, amino acids, nucleic acids, and cell-penetrating peptides, which modulate skin permeability by transiently altering its structural integrity.
View Article and Find Full Text PDFCCR5-ligand decorated rilpivirine lipid-based nanoparticles for sustained antiretroviral responses.
Nat Commun
January 2025
Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
Antiretroviral therapy (ART) improves the quality of life for those living with the human immunodeficiency virus type one (HIV-1). However, poor compliance reduces ART effectiveness and leads to immune compromise, viral mutations, and disease co-morbidities. Here we develop a drug formulation in which a lipid-based nanoparticle (LBNP) carrying rilpivirine (RPV) is decorated with the C-C chemokine receptor type 5 (CCR5) targeting peptide.
View Article and Find Full Text PDFUltrasound-controllable dexamethasone-loaded nanobubbles for highly effective rheumatoid arthritis therapy.
J Mater Chem B
January 2025
Department of Pharmaceutics, School of Pharmacy, Fourth Military Medical University, Xi'an, 710032, China.
Rheumatoid arthritis (RA) is an autoimmune disease that seriously threatens human health and affects the quality of life of patients. At present, pharmacotherapy is still the mainstream treatment for RA, but most methods have shortcomings, such as poor drug targeting, a low effective drug dosage at the inflammatory site, and high systemic toxicity. The combined application of drug-loaded nanobubbles and ultrasound technology provides a new technique for the treatment of RA.
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