Hederagenin is a pentacyclic triterpenoid isolated from plants and widely distributed in a variety of medicinal plants. By integrating and analyzing external related literature reports, the latest research progress on the pharmacological effects and structural modification of hederagenin was reviewed. Hederagenin has a wide range of pharmacological activities, including antitumor, anti-inflammatory, antidepressant, anti-neurodegenerative, antihyperlipidemic, antidiabetic, anti-leishmaniasis, and antiviral activities. Among them, it shows high potential in the field of anti-tumor treatment. This paper also reviews the structural modifications of hederagenin, including carboxyl group modifications and two hydroxyl group modifications. Future research on hederagenin will focus on prolonging its half-life, improving its bioavailability and structural modification to enhance its pharmacological activity, accelerating the preclinical research stage of hederagenin for it to enter the clinical research stage as soon as possible.
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http://dx.doi.org/10.1039/d3md00296a | DOI Listing |
Small
January 2025
School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.
The photocatalytic conversion of CO into products such as CH and CH poses a significant challenge due to the lengthy reaction steps and the high energy barrier involved. In this study, both benzothiadiazole (BTD) and hydroxyl groups (-OH) are introduced into cobalt-based polymerized porphyrinic network (PPN) through a C-C coupling reaction. This modification of orbital energy levels that strengthens the ability of gain electrons and facilitates the charge transfer in PPN.
View Article and Find Full Text PDFChembiochem
January 2025
Institut Pasteur, Department of Structural Biology and Chemistry, 28 Rue du Dr. Roux, 75015, Paris, FRANCE.
Access to synthetic oligonucleotides is crucial for applications in diagnostics, therapeutics, synthetic biology, and nanotechnology. Traditional solid phase synthesis is limited by sequence length and complexities, low yields, high costs and poor sustainability. Similarly, polymerase-based approaches such as in vitro transcription and primer extension reactions do not permit any control on the positioning of modifications and display poor substrate tolerance.
View Article and Find Full Text PDFACS Infect Dis
January 2025
Leiden University Center for Infectious Diseases, Leiden University Medical Center, Leiden 2333 ZA, The Netherlands.
Flagella are essential for motility and pathogenicity in many bacteria. The main component of the flagellar filament, flagellin (FliC), often undergoes post-translational modifications, with glycosylation being a common occurrence. In PAO1, the b-type flagellin is -glycosylated with a structure that includes a deoxyhexose, a phospho-group, and a previous unknown moiety.
View Article and Find Full Text PDFSmall Methods
January 2025
CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
Pyroptosis, a form of programmed cell death characterized by cell lysis and inflammation, has significant implications for disease treatment. Nanomaterials (NMs), with their unique physicochemical properties, can precisely modulate pyroptosis, offering novel and intelligent therapeutic strategies for cancer, infectious diseases, and chronic inflammatory conditions with targeted activation and reduced systemic toxicity. This review explores the mechanisms by which NMs regulate pyroptosis, comparing molecular and NM inducers, and examines the role of intrinsic properties such as size, shape, surface charge, and chemical composition in these processes.
View Article and Find Full Text PDFNat Prod Bioprospect
January 2025
International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, China.
Marine natural products have long been recognized as a vast and diverse source of bioactive compounds with potential therapeutic applications, particularly in oncology. This review provides an updated overview of the significant advances made in the discovery and development of marine-derived anticancer drugs between 2019 and 2023. With a focus on recent research findings, the review explores the rich biodiversity of marine organisms, including sponges, corals, algae, and microorganisms, which have yielded numerous compounds exhibiting promising anticancer properties.
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