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Effect of Hyaluronan Molecular Weight on the Stability and Biofunctionality of Microfibers Assembled by Interfacial Polyelectrolyte Complexation.
ACS Appl Mater Interfaces
January 2025
3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-694 Barco, Guimarães, Portugal.
Nervous system disorders are characterized by a progressive loss of function and structure of neurons that ultimately leads to a decline in cognitive and motor functions. In this study, we used interfacial polyelectrolyte complexation (IPC) to produce fibers for neural tissue regeneration. IPC is a processing method that allows spinning of sensitive biopolymers.
View Article and Find Full Text PDFNanoformulated phytochemicals in skin anti-aging research: an updated mini review.
3 Biotech
January 2025
School of Engineering and Sciences, Tecnologico de Monterrey, Campus Querétaro, Av. Epigmenio Gonzalez, No. 500 Fracc. San Pablo, 76130 Querétaro, Mexico.
Skin aging is characterized by progressive loss of functionality and regenerative potential of the skin, resulting in the appearance of wrinkles, irregular pigmentation, a decrease of elasticity, dryness, and rough texture. Damage to the skin caused by oxidative stress could substantially be slowed down by the use of phytochemicals that function as natural antioxidants. Although phytochemicals have immense potential as anti-aging medicines, their effectiveness as therapeutic agents is restricted by their poor solubility, biodistribution, stability, and hydrophilicity.
View Article and Find Full Text PDFA hyaluronic acid nanogels based exosome production factory for tumor photothermal therapy and angiogenesis inhibition.
Int J Biol Macromol
December 2024
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China. Electronic address:
Exosomes as a unique drug delivery system provide a new choice for tumor therapy. However, the in vitro functionalization of exosomes and the process of circulating drug delivery can easily cause exosome degradation and drug loss, thus reducing the efficiency of drug delivery. In this work, based on the endocyto-fusion-exocytosis pathway of exosome formation, a multifunctional hyaluronic acid nanogel loaded with the antiangiogenic drug vatalanib and the near-infrared photothermal agent indocyanine green (ICG) was designed.
View Article and Find Full Text PDFDe novo synthesis of hyaluronic acid with tailored molecular weights using a new hyaluronidase SthHL.
Int J Biol Macromol
December 2024
College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, PR China. Electronic address:
Hyaluronic acid (HA) exhibits various biological activities and functions, mainly governed by its molecular weight (M). Traditional HA degradation methods encounter challenges such as environmental pollution and high costs. Thus, developing a safe cell factory with an efficient regulation strategy for one-step production of specific M HA has attracted significant research interest.
View Article and Find Full Text PDFHyaluronic acid-targeted topotecan liposomes improve therapeutic efficacy against lung cancer in animals.
Front Oncol
December 2024
Experimental Center for Teaching, Hebei Medical University, Shijiazhuang, Hebei, China.
Lung cancer, as a serious threat to human health and life, necessitating urgent treatment and intervention. In this study, we prepared hyaluronic acid (HA)-targeted topotecan liposomes for site-specific delivery to tumor cells. The encapsulation efficiency, stability, chemical structure, and morphology of HA-targeted topotecan liposomes were studied, and the release properties, cellular uptake capacity, and therapeutic efficacy of topotecan were further investigated.
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