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Sialic Acid-Modified NIR-II Fluorophore with Enhanced Brightness and Photoconversion Capability for Targeted Lymphoma Phototheranostics.
Anal Chem
January 2025
School of Life Sciences, Key Laboratory of Space Bioscience & Biotechnology, Northwestern Polytechnical University, Xi'an 710072, China.
Lymphoma is a malignant cancer characterized by a rapidly increasing incidence, complex etiology, and lack of obvious early symptoms. Efficient theranostics of lymphoma is of great significance in improving patient outcomes, empowering informed decision-making, and driving medical innovation. Herein, we developed a multifunctional nanoplatform for precise optical imaging and therapy of lymphoma based on a new photosensitizer (1-oxo-1-benzoo[de]anthracene-2,3-dicarbonitrile-triphenylamine (OBADC-TPA)).
View Article and Find Full Text PDFExtraction and purification of Ophiopogon japonicus polysaccharides, structural characterization, biological activity, safety evaluation, chemical modification and potential applications: A review.
Int J Biol Macromol
January 2025
College of Pharmacy, Shaanxi University of Chinese Medicine, Shiji Ave., Xi'an-xianyang New Economic Zone, Shaanxi Province 712046, People's Republic of China. Electronic address:
Ophiopogonis japonicus is a famous medicinal plant in China with a long history of medicinal and food origin. It contains various chemical components, such as polysaccharides, steroidal saponins, alkaloids, flavonoids, etc. According to traditional Chinese medicine (TCM) theory, it has the efficacy of moistening the lungs and nourishing the yin, benefiting the stomach by generating fluids, and clearing the heart to get rid of vexation.
View Article and Find Full Text PDFEffect of microwave treatment on the structural and physicochemical properties of amylose partially removed sorghum starch.
Int J Biol Macromol
January 2025
Shaanxi Union Research Center of University and Enterprise for Grain Processing Technologies, College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China. Electronic address:
This study aimed to probe the influence of amylose in starch granules on starch modification. Part of the amylose from sorghum starch was removed through warm water leaching, and the samples were then microwaved. The effects of treatments on starch structure, physicochemical properties, and digestibility were researched.
View Article and Find Full Text PDFP3 site-directed mutagenesis: An efficient method based on primer pairs with 3'-overhangs.
J Biol Chem
January 2025
Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, Quebec H3A 1A3, Canada; Department of Medicine, McGill University, Montreal, Quebec H3A 1A3, Canada; Department of Biochemistry, McGill University, Montreal, Quebec H3A 1A3, Canada; McGill University Health Center, Montreal, Quebec H3A 1A3, Canada. Electronic address:
Site-directed mutagenesis is a fundamental tool indispensable for protein and plasmid engineering. An important technological question is how to achieve the efficiency at the ideal level of 100%. Based on complementary primer pairs, the QuickChange method has been widely used, but it requires significant improvements due to its low efficiency and frequent unwanted mutations.
View Article and Find Full Text PDFEmerging roles for tubulin PTMs in neuronal function and neurodegenerative disease.
Curr Opin Neurobiol
January 2025
Department of Pathology & Cell Biology, Columbia University Irving Medical Center, 10032, New York, NY, USA. Electronic address:
Neurons are equipped with microtubules of different stability with stable and dynamic domains often coexisting on the same microtubule. While dynamic microtubules undergo random transitions between disassembly and assembly, stable ones persist long enough to serve as platforms for tubulin-modifying enzymes (known as writers) that attach molecular components to the α- or β-tubulin subunits. The combination of these posttranslational modifications (PTMs) results in a "tubulin code," dictating the behavior of selected proteins (known as readers), some of which were shown to be crucial for neuronal function.
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