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Identification and structural characterization of glucosylceramides in Holothuria (Halodeima) grisea: Insights from TLC and NMR techniques.
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Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Paraná, 81531-990, Curitiba, PR, Brazil. Electronic address:
Sea cucumbers are widely used in oriental cuisine due to their medicinal properties. Antioxidant, antifungal, antiviral, anticancer and neuroprotective activities have already been identified in several species and in different tissues. Among the class of compounds with biological activity are cerebrosides, which have important functions for the proper functioning of cells, especially neuronal cells.
View Article and Find Full Text PDFPreparation of a Self-Assembled Nanoantiviral Pesticide with Strong Adhesion Performance for Efficiency Control of Destructive .
J Agric Food Chem
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Department of Plant Biosecurity, College of Plant Protection, China Agricultural University, Beijing 100193, China.
In this context, we reported for the first time the design and development of a self-assembled nanoantiviral pesticide based on the star polycation (SPc) and the broad-spectrum fungicide/antiviral agent seboctylamine for field control of (SMV), a highly destructive plant virus in soybean crops. The SPc could self-assemble with seboctylamine through hydrogen bonds and van der Waals forces, and the complexation with SPc reduced the particle size of seboctylamine to form a spherical seboctylamine/SPc complex. In addition, the contact angle of seboctylamine decreased, and its retention increased with the aid of SPc, indicating excellent wetting properties and strong leaf surface adhesion performance.
View Article and Find Full Text PDFRevisiting the potential of natural antimicrobial peptides against emerging respiratory viral disease: a review.
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February 2025
Shree. S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Kherva, Gujarat 384012 India.
This review assesses the antiviral capabilities of antimicrobial peptides (AMPs) against SARS-CoV-2 and other respiratory viruses, focussing on their therapeutic potential. AMPs, derived from natural sources, exhibit promising antiviral properties by disrupting viral membranes, inhibiting viral entry, and modulating host immune responses. Preclinical studies demonstrate that peptides such as defensins, cathelicidins, and lactoferrin can effectively reduce SARS-CoV-2 replication and inhibit viral spread.
View Article and Find Full Text PDFImmune responses of cattle vaccinated by various routes with Mycobacterium bovis Bacillus Calmette-Guérin (BCG).
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Bacterial Diseases of Livestock Research Unit, National Animal Disease Center, Agricultural Research Service, 1920 Dayton Ave, Ames, IA, 50010, USA.
Background: Mycobacterium bovis BCG is the human tuberculosis vaccine and is the oldest vaccine still in use today with over 4 billion people vaccinated since 1921. The BCG vaccine has also been investigated experimentally in cattle and wildlife by various routes including oral and parenteral. Thus far, oral vaccination studies of cattle have involved liquid BCG or liquid BCG incorporated into a lipid matrix.
View Article and Find Full Text PDFTranscription factor EB (TFEB) activity increases resistance of TNBC stem cells to metabolic stress.
Life Sci Alliance
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https://ror.org/00hj54h04 Interdisciplinary Life Sciences Graduate Programs, The University of Texas at Austin, Austin, TX, USA
Breast cancer stem cells (CSCs) are difficult to therapeutically target, but continued efforts are critical given their contribution to tumor heterogeneity and treatment resistance in triple-negative breast cancer. CSC properties are influenced by metabolic stress, but specific mechanisms are lacking for effective drug intervention. Our previous work on TFEB suggested a key function in CSC metabolism.
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