A new strategy to exploit galectin presence to target matrix metalloproteinases (MMPs) is presented. A bifunctional conjugate with lactose and an inhibitor for MMPs is able to bind MMP and Gal-3 simultaneously. This compound might allow the lectin to attract the MMP inhibitor to the tumour site and to block protumoural activities of the lectin at the same time.
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http://dx.doi.org/10.1002/chem.201203794 | DOI Listing |
J Drugs Dermatol
January 2025
Background: Exosomes are small extracellular vesicles (30-150 nm in size) that play a critical role in cellular communication, transporting proteins, lipids, and nucleic acids between cells. This literature review focuses on evaluating the potential benefits and limitations of exosomes in enhancing skin health and aesthetics through indications such as skin rejuvenation, hair restoration, and pigmentation disorders.
Methods: A thorough literature search was conducted on PubMed using specific MeSH, including "exosomes," "aesthetics," "cosmetic dermatology," "skin rejuvenation," "hair growth," and "wrinkle reduction.
Drug Deliv Transl Res
January 2025
i3S - Instituto de Investigação e Inovação em Saúde, University of Porto, Rua Alfredo Allen 208, 4200-135, Porto, Portugal.
Glioblastoma presents a significant treatment challenge due to the blood-brain barrier (BBB) hindering drug delivery, and the overexpression of matrix metalloproteinases (MMPs), which promotes tumor invasiveness. This study introduces a novel nanostructured lipid carrier (NLC) system designed for the delivery of batimastat, an MMP inhibitor, across the BBB and into the glioblastoma microenvironment. The NLCs were functionalized with epidermal growth factor (EGF) and a transferrin receptor-targeting construct to enhance BBB penetration and entrapment within the tumor microenvironment.
View Article and Find Full Text PDFFront Immunol
December 2024
Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa.
Rheumatoid arthritis (RA), a condition characterized by joint deterioration through the action of matrix metalloproteinases (MMPs), is prevalent worldwide. Bee venom (BV) has traditionally been used in Chinese medicine for pain, arthritis, rheumatism, skin diseases, etc. BV is enriched with active substances, notably melittin and phospholipase A2 (PLA2), offering significant therapeutic potential.
View Article and Find Full Text PDFCardiol Young
January 2025
Department of Cardiovascular, The Second Hospital of Hebei Medical University, Shijiazhuang, China.
Purpose: Studying the effect of interleukin-17 (IL-17) on the mechanism of CD4+ T-cell immune regulation and the Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway may offer new ideas and methods for the therapy of dilated cardiomyopathy.
Methods: Naive CD4+ T cells were isolated from mice using a magnetic bead sorting reagent and manipulated by overexpression or knockdown of IL-17. Protein levels of Janus kinase 2 (JAK2), phosphorylated JAK2 (p-JAK2), signal transducer and activator of transcription 3 (STAT3), phosphorylated STAT3 (p-STAT3), matrix metalloproteinase-2 (MMP-2), and matrix metalloproteinase-9 (MMP-9) were determined by Western blotting.
Adv Healthc Mater
January 2025
Shanghai Key Laboratory of Hydrogen Science & Center of Hydrogen Science, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
Poor tumor penetration is the major predicament of nanomedicines that limits their anticancer efficacy. The dense extracellular matrix (ECM) in the tumor is one of the major barriers against the deep penetration of nanomedicines. In this work, a slimming/excavating strategy is proposed for enhanced intratumoral penetration based on an acid-disassemblable nanomicelles-assembled nanomedicine and the NO-mediated degradation of ECM.
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