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Dietary purslane (Portulaca oleracea L.) leaf powder maintains growth and intestinal health in Oreochromis niloticus under chronic water-borne cadmium exposure by strengthening the gut barriers, modulating the intestinal nutrient transporters, and relieving oxidative stress.
Fish Physiol Biochem
January 2025
Department of Biological Sciences, College of Science, University of Jeddah, P.O. Box 80327, Jeddah 21589, Saudi Arabia.
High cadmium (Cd) concentrations pose a threat to aquatic life globally. This study examined the efficiency of adding purslane (Portulaca oleracea L.) leaf powder (PLP) to Oreochromis niloticus diets on Cd's negative effects.
View Article and Find Full Text PDFConstruction of Supramolecular Polymer Network Elastomers Based on Pillar[5]arene/Alkyl Chain Host-Guest Interactions.
ACS Macro Lett
January 2025
Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Materials Chemistry and Service Failure, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, State Key Laboratory of Materials Processing and Die & Mould Technology, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.
As a special kind of supramolecular compound with many favorable properties, pillar[]arene-based supramolecular polymer networks (SPNs) show potential application in many fields. Although we have come a long way using pillar[]arene to prepare SPNs and construct a series of smart materials, it remains a challenge to enhance the mechanical strength of pillar[]arene-based SPNs. To address this issue, a new supramolecular regulation strategy was developed, which could precisely control the preparation of pillar[]arene-based SPN materials with excellent mechanical properties by adjusting the polymer network structures.
View Article and Find Full Text PDFPhotocatalytic Direct Borylation of Benzothiazole Heterocycles via a Triplet Activation Strategy.
Org Lett
January 2025
Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, College of Chemistry & Chemical Engineering, Anhui University, Hefei, Anhui 230601, China.
Boron compounds are widely employed in organic chemistry, pharmaceuticals, and materials science. Among them, borylated heterocycles serve as versatile synthons for the construction of new C-C or C-heteroatom bonds via coupling or radical processes. Such methods for direct C-H borylation reactions are of high synthetic value to reduce the number of synthetic steps and the amount of waste and to improve efficiency.
View Article and Find Full Text PDFCopper Chelate Targeting Externalized Phosphatidylserine Inhibits PD-L1 Expression and Enhances Cancer Immunotherapy.
J Am Chem Soc
January 2025
Department of Pharmacy, The First Affiliated Hospital of USTC; Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Key Laboratory of Precision Pharmaceutical Preparation and Clinical Pharmacy, Hefei, Anhui 230026, China.
Inhibitors of the PD-1/PD-L1 immune checkpoint have revolutionized cancer treatment. However, the clinical response remains limited, with only 20% of patients benefiting from treatment and approximately 60% of PD-L1-positive patients exhibiting resistance. One key factor contributing to resistance is the externalization of phosphatidylserine (PS) on the surface of cancer cells, which suppresses immune responses and promotes PD-L1 expression, further hindering the efficacy of PD-L1 blockade therapies.
View Article and Find Full Text PDFCascade-Responsive Nanoparticles for Efficient CRISPR/Cas9-Based Glioblastoma Gene Therapy.
ACS Appl Mater Interfaces
January 2025
Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China.
CRISPR/Cas9 (CRISPR, clustered regularly interspaced short palindromic repeats) gene editing technology represents great promise for treating glioblastoma (GBM) due to its potential to permanently eliminate tumor pathogenic genes. Unfortunately, delivering CRISPR to the GBM in a safe and effective manner is challenging. Herein, a glycosylated and cascade-responsive nanoparticle (GCNP) that can effectively cross the blood-brain barrier (BBB) and activate CRISPR/Cas9-based gene editing only in the GBM is designed.
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